rna_modifier.cc

Go to the documentation of this file.

/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#include <cfloat>
#include <climits>
#include <cstdlib>
 
#include "DNA_armature_types.h"
#include "DNA_gpencil_modifier_types.h"
#include "DNA_lineart_types.h"
#include "DNA_modifier_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
 
#include "BLI_math_rotation.h"
 
#include "BLT_translation.hh"
 
#include "BKE_animsys.h"
#include "BKE_customdata.hh"
#include "BKE_data_transfer.h"
#include "BKE_grease_pencil.hh"
#include "BKE_mesh_remap.hh"
 
#include "RNA_define.hh"
#include "RNA_enum_types.hh"
 
#include "rna_internal.hh"
 
#include "WM_api.hh"
#include "WM_types.hh"
 
#include "NOD_geometry_nodes_log.hh"
 
const EnumPropertyItem rna_enum_object_modifier_type_items[] = {
    RNA_ENUM_ITEM_HEADING(N_("Modify"), nullptr),
    {eModifierType_GreasePencilWeightProximity,
     "GREASE_PENCIL_VERTEX_WEIGHT_PROXIMITY",
     ICON_MOD_VERTEX_WEIGHT,
     "Vertex Weight Proximity",
     "Generate vertex weights based on distance to object"},
 
    RNA_ENUM_ITEM_HEADING(N_("Modify"), nullptr),
    {eModifierType_DataTransfer,
     "DATA_TRANSFER",
     ICON_MOD_DATA_TRANSFER,
     "Data Transfer",
     "Transfer several types of data (vertex groups, UV maps, vertex colors, custom normals) from "
     "one mesh to another"},
    {eModifierType_MeshCache,
     "MESH_CACHE",
     ICON_MOD_MESHDEFORM,
     "Mesh Cache",
     "Deform the mesh using an external frame-by-frame vertex transform cache"},
    {eModifierType_MeshSequenceCache,
     "MESH_SEQUENCE_CACHE",
     ICON_MOD_MESHDEFORM,
     "Mesh Sequence Cache",
     "Deform the mesh or curve using an external mesh cache in Alembic format"},
    {eModifierType_NormalEdit,
     "NORMAL_EDIT",
     ICON_MOD_NORMALEDIT,
     "Normal Edit",
     "Modify the direction of the surface normals"},
    {eModifierType_WeightedNormal,
     "WEIGHTED_NORMAL",
     ICON_MOD_NORMALEDIT,
     "Weighted Normal",
     "Modify the direction of the surface normals using a weighting method"},
    {eModifierType_UVProject,
     "UV_PROJECT",
     ICON_MOD_UVPROJECT,
     "UV Project",
     "Project the UV map coordinates from the negative Z axis of another object"},
    {eModifierType_UVWarp,
     "UV_WARP",
     ICON_MOD_UVPROJECT,
     "UV Warp",
     "Transform the UV map using the difference between two objects"},
    {eModifierType_WeightVGEdit,
     "VERTEX_WEIGHT_EDIT",
     ICON_MOD_VERTEX_WEIGHT,
     "Vertex Weight Edit",
     "Modify of the weights of a vertex group"},
    {eModifierType_WeightVGMix,
     "VERTEX_WEIGHT_MIX",
     ICON_MOD_VERTEX_WEIGHT,
     "Vertex Weight Mix",
     "Mix the weights of two vertex groups"},
    {eModifierType_WeightVGProximity,
     "VERTEX_WEIGHT_PROXIMITY",
     ICON_MOD_VERTEX_WEIGHT,
     "Vertex Weight Proximity",
     "Set the vertex group weights based on the distance to another target object"},
    {eModifierType_GreasePencilColor,
     "GREASE_PENCIL_COLOR",
     ICON_MOD_HUE_SATURATION,
     "Hue/Saturation",
     "Change hue/saturation/value of the strokes"},
    {eModifierType_GreasePencilTint,
     "GREASE_PENCIL_TINT",
     ICON_MOD_TINT,
     "Tint",
     "Tint the color of the strokes"},
    {eModifierType_GreasePencilOpacity,
     "GREASE_PENCIL_OPACITY",
     ICON_MOD_OPACITY,
     "Opacity",
     "Change the opacity of the strokes"},
    {eModifierType_GreasePencilWeightAngle,
     "GREASE_PENCIL_VERTEX_WEIGHT_ANGLE",
     ICON_MOD_VERTEX_WEIGHT,
     "Vertex Weight Angle",
     "Generate vertex weights based on stroke angle"},
    {eModifierType_GreasePencilTime,
     "GREASE_PENCIL_TIME",
     ICON_MOD_TIME,
     "Time Offset",
     "Offset keyframes"},
    {eModifierType_GreasePencilTexture,
     "GREASE_PENCIL_TEXTURE",
     ICON_MOD_UVPROJECT,
     "Texture Mapping",
     "Change stroke UV texture values"},
 
    RNA_ENUM_ITEM_HEADING(N_("Generate"), nullptr),
    {eModifierType_Array,
     "ARRAY",
     ICON_MOD_ARRAY,
     "Array",
     "Create copies of the shape with offsets"},
    {eModifierType_Bevel,
     "BEVEL",
     ICON_MOD_BEVEL,
     "Bevel",
     "Generate sloped corners by adding geometry to the mesh's edges or vertices"},
    {eModifierType_Boolean,
     "BOOLEAN",
     ICON_MOD_BOOLEAN,
     "Boolean",
     "Use another shape to cut, combine or perform a difference operation"},
    {eModifierType_Build,
     "BUILD",
     ICON_MOD_BUILD,
     "Build",
     "Cause the faces of the mesh object to appear or disappear one after the other over time"},
    {eModifierType_Decimate,
     "DECIMATE",
     ICON_MOD_DECIM,
     "Decimate",
     "Reduce the geometry density"},
    {eModifierType_EdgeSplit,
     "EDGE_SPLIT",
     ICON_MOD_EDGESPLIT,
     "Edge Split",
     "Split away joined faces at the edges"},
    {eModifierType_Nodes, "NODES", ICON_GEOMETRY_NODES, "Geometry Nodes", ""},
    {eModifierType_Mask,
     "MASK",
     ICON_MOD_MASK,
     "Mask",
     "Dynamically hide vertices based on a vertex group or armature"},
    {eModifierType_Mirror,
     "MIRROR",
     ICON_MOD_MIRROR,
     "Mirror",
     "Mirror along the local X, Y and/or Z axes, over the object origin"},
    {eModifierType_MeshToVolume,
     "MESH_TO_VOLUME",
     ICON_VOLUME_DATA,
     "Mesh to Volume",
     ""}, /* TODO: Use correct icon. */
    {eModifierType_Multires,
     "MULTIRES",
     ICON_MOD_MULTIRES,
     "Multiresolution",
     "Subdivide the mesh in a way that allows editing the higher subdivision levels"},
    {eModifierType_Remesh,
     "REMESH",
     ICON_MOD_REMESH,
     "Remesh",
     "Generate new mesh topology based on the current shape"},
    {eModifierType_Screw,
     "SCREW",
     ICON_MOD_SCREW,
     "Screw",
     "Lathe around an axis, treating the input mesh as a profile"},
    {eModifierType_Skin,
     "SKIN",
     ICON_MOD_SKIN,
     "Skin",
     "Create a solid shape from vertices and edges, using the vertex radius to define the "
     "thickness"},
    {eModifierType_Solidify, "SOLIDIFY", ICON_MOD_SOLIDIFY, "Solidify", "Make the surface thick"},
    {eModifierType_Subsurf,
     "SUBSURF",
     ICON_MOD_SUBSURF,
     "Subdivision Surface",
     "Split the faces into smaller parts, giving it a smoother appearance"},
    {eModifierType_Triangulate,
     "TRIANGULATE",
     ICON_MOD_TRIANGULATE,
     "Triangulate",
     "Convert all polygons to triangles"},
    {eModifierType_VolumeToMesh,
     "VOLUME_TO_MESH",
     ICON_VOLUME_DATA,
     "Volume to Mesh",
     ""}, /* TODO: Use correct icon. */
    {eModifierType_Weld,
     "WELD",
     ICON_AUTOMERGE_OFF,
     "Weld",
     "Find groups of vertices closer than dist and merge them together"},
    {eModifierType_Wireframe,
     "WIREFRAME",
     ICON_MOD_WIREFRAME,
     "Wireframe",
     "Convert faces into thickened edges"},
    {eModifierType_GreasePencilArray,
     "GREASE_PENCIL_ARRAY",
     ICON_MOD_ARRAY,
     "Array",
     "Duplicate strokes into an array"},
    {eModifierType_GreasePencilBuild,
     "GREASE_PENCIL_BUILD",
     ICON_MOD_BUILD,
     "Build",
     "Grease Pencil build modifier"},
    {eModifierType_GreasePencilLength,
     "GREASE_PENCIL_LENGTH",
     ICON_MOD_LENGTH,
     "Length",
     "Grease Pencil length modifier"},
    {eModifierType_GreasePencilLineart,
     "LINEART",
     ICON_MOD_LINEART,
     "Line Art",
     "Generate Line Art from scene geometries"},
    {eModifierType_GreasePencilMirror,
     "GREASE_PENCIL_MIRROR",
     ICON_MOD_MIRROR,
     "Mirror",
     "Duplicate strokes like a mirror"},
    {eModifierType_GreasePencilMultiply,
     "GREASE_PENCIL_MULTIPLY",
     ICON_GP_MULTIFRAME_EDITING,
     "Multiple Strokes",
     "Generate multiple strokes around original strokes"},
    {eModifierType_GreasePencilSimplify,
     "GREASE_PENCIL_SIMPLIFY",
     ICON_MOD_SIMPLIFY,
     "Simplify",
     "Simplify stroke reducing number of points"},
    {eModifierType_GreasePencilSubdiv,
     "GREASE_PENCIL_SUBDIV",
     ICON_MOD_SUBSURF,
     "Subdivide",
     "Grease Pencil subdivide modifier"},
    {eModifierType_GreasePencilEnvelope,
     "GREASE_PENCIL_ENVELOPE",
     ICON_MOD_ENVELOPE,
     "Envelope",
     "Create an envelope shape"},
    {eModifierType_GreasePencilOutline,
     "GREASE_PENCIL_OUTLINE",
     ICON_MOD_OUTLINE,
     "Outline",
     "Convert stroke to outline"},
 
    RNA_ENUM_ITEM_HEADING(N_("Deform"), nullptr),
    {eModifierType_Armature,
     "ARMATURE",
     ICON_MOD_ARMATURE,
     "Armature",
     "Deform the shape using an armature object"},
    {eModifierType_Cast,
     "CAST",
     ICON_MOD_CAST,
     "Cast",
     "Shift the shape towards a predefined primitive"},
    {eModifierType_Curve, "CURVE", ICON_MOD_CURVE, "Curve", "Bend the mesh using a curve object"},
    {eModifierType_Displace,
     "DISPLACE",
     ICON_MOD_DISPLACE,
     "Displace",
     "Offset vertices based on a texture"},
    {eModifierType_Hook, "HOOK", ICON_HOOK, "Hook", "Deform specific points using another object"},
    {eModifierType_LaplacianDeform,
     "LAPLACIANDEFORM",
     ICON_MOD_MESHDEFORM,
     "Laplacian Deform",
     "Deform based a series of anchor points"},
    {eModifierType_Lattice,
     "LATTICE",
     ICON_MOD_LATTICE,
     "Lattice",
     "Deform using the shape of a lattice object"},
    {eModifierType_MeshDeform,
     "MESH_DEFORM",
     ICON_MOD_MESHDEFORM,
     "Mesh Deform",
     "Deform using a different mesh, which acts as a deformation cage"},
    {eModifierType_Shrinkwrap,
     "SHRINKWRAP",
     ICON_MOD_SHRINKWRAP,
     "Shrinkwrap",
     "Project the shape onto another object"},
    {eModifierType_SimpleDeform,
     "SIMPLE_DEFORM",
     ICON_MOD_SIMPLEDEFORM,
     "Simple Deform",
     "Deform the shape by twisting, bending, tapering or stretching"},
    {eModifierType_Smooth,
     "SMOOTH",
     ICON_MOD_SMOOTH,
     "Smooth",
     "Smooth the mesh by flattening the angles between adjacent faces"},
    {eModifierType_CorrectiveSmooth,
     "CORRECTIVE_SMOOTH",
     ICON_MOD_SMOOTH,
     "Smooth Corrective",
     "Smooth the mesh while still preserving the volume"},
    {eModifierType_LaplacianSmooth,
     "LAPLACIANSMOOTH",
     ICON_MOD_SMOOTH,
     "Smooth Laplacian",
     "Reduce the noise on a mesh surface with minimal changes to its shape"},
    {eModifierType_SurfaceDeform,
     "SURFACE_DEFORM",
     ICON_MOD_MESHDEFORM,
     "Surface Deform",
     "Transfer motion from another mesh"},
    {eModifierType_Warp,
     "WARP",
     ICON_MOD_WARP,
     "Warp",
     "Warp parts of a mesh to a new location in a very flexible way thanks to 2 specified "
     "objects"},
    {eModifierType_Wave,
     "WAVE",
     ICON_MOD_WAVE,
     "Wave",
     "Adds a ripple-like motion to an object's geometry"},
    {eModifierType_VolumeDisplace,
     "VOLUME_DISPLACE",
     ICON_VOLUME_DATA,
     "Volume Displace",
     "Deform volume based on noise or other vector fields"}, /* TODO: Use correct icon. */
    {eModifierType_GreasePencilHook,
     "GREASE_PENCIL_HOOK",
     ICON_HOOK,
     "Hook",
     "Deform stroke points using objects"},
    {eModifierType_GreasePencilNoise,
     "GREASE_PENCIL_NOISE",
     ICON_MOD_NOISE,
     "Noise",
     "Generate noise wobble in Grease Pencil strokes"},
    {eModifierType_GreasePencilOffset,
     "GREASE_PENCIL_OFFSET",
     ICON_MOD_OFFSET,
     "Offset",
     "Change stroke location, rotation, or scale"},
    {eModifierType_GreasePencilSmooth,
     "GREASE_PENCIL_SMOOTH",
     ICON_SMOOTHCURVE,
     "Smooth",
     "Smooth Grease Pencil strokes"},
    {eModifierType_GreasePencilThickness,
     "GREASE_PENCIL_THICKNESS",
     ICON_MOD_THICKNESS,
     "Thickness",
     "Change stroke thickness"},
    {eModifierType_GreasePencilLattice,
     "GREASE_PENCIL_LATTICE",
     ICON_MOD_LATTICE,
     "Lattice",
     "Deform strokes using a lattice object"},
    {eModifierType_GreasePencilDash,
     "GREASE_PENCIL_DASH",
     ICON_MOD_DASH,
     "Dot Dash",
     "Generate dot-dash styled strokes"},
    {eModifierType_GreasePencilArmature,
     "GREASE_PENCIL_ARMATURE",
     ICON_MOD_ARMATURE,
     "Armature",
     "Deform stroke points using armature object"},
    {eModifierType_GreasePencilShrinkwrap,
     "GREASE_PENCIL_SHRINKWRAP",
     ICON_MOD_SHRINKWRAP,
     "Shrinkwrap",
     "Project the shape onto another object"},
 
    RNA_ENUM_ITEM_HEADING(N_("Physics"), nullptr),
    {eModifierType_Cloth, "CLOTH", ICON_MOD_CLOTH, "Cloth", "Physic simulation for cloth"},
    {eModifierType_Collision,
     "COLLISION",
     ICON_MOD_PHYSICS,
     "Collision",
     "For colliders participating in physics simulation, control which level in the modifier "
     "stack is used as the collision surface"},
    {eModifierType_DynamicPaint,
     "DYNAMIC_PAINT",
     ICON_MOD_DYNAMICPAINT,
     "Dynamic Paint",
     "Turn objects into paint canvases and brushes, creating color attributes, image sequences, "
     "or displacement"},
    {eModifierType_Explode,
     "EXPLODE",
     ICON_MOD_EXPLODE,
     "Explode",
     "Break apart the mesh faces and let them follow particles"},
    {eModifierType_Fluid,
     "FLUID",
     ICON_MOD_FLUIDSIM,
     "Fluid",
     "Physics simulation for fluids, like water, oil and smoke"},
    {eModifierType_Ocean, "OCEAN", ICON_MOD_OCEAN, "Ocean", "Generate a moving ocean surface"},
    {eModifierType_ParticleInstance,
     "PARTICLE_INSTANCE",
     ICON_MOD_PARTICLE_INSTANCE,
     "Particle Instance",
     "Duplicate mesh at the location of particles"},
    {eModifierType_ParticleSystem,
     "PARTICLE_SYSTEM",
     ICON_MOD_PARTICLES,
     "Particle System",
     "Spawn particles from the shape"},
    {eModifierType_Softbody,
     "SOFT_BODY",
     ICON_MOD_SOFT,
     "Soft Body",
     "Simulate soft deformable objects"},
    {eModifierType_Surface, "SURFACE", ICON_MODIFIER, "Surface", ""},
    {0, nullptr, 0, nullptr, nullptr},
};
 
const EnumPropertyItem rna_enum_modifier_triangulate_quad_method_items[] = {
    {MOD_TRIANGULATE_QUAD_BEAUTY,
     "BEAUTY",
     0,
     "Beauty",
     "Split the quads in nice triangles, slower method"},
    {MOD_TRIANGULATE_QUAD_FIXED,
     "FIXED",
     0,
     "Fixed",
     "Split the quads on the first and third vertices"},
    {MOD_TRIANGULATE_QUAD_ALTERNATE,
     "FIXED_ALTERNATE",
     0,
     "Fixed Alternate",
     "Split the quads on the 2nd and 4th vertices"},
    {MOD_TRIANGULATE_QUAD_SHORTEDGE,
     "SHORTEST_DIAGONAL",
     0,
     "Shortest Diagonal",
     "Split the quads along their shortest diagonal"},
    {MOD_TRIANGULATE_QUAD_LONGEDGE,
     "LONGEST_DIAGONAL",
     0,
     "Longest Diagonal",
     "Split the quads along their longest diagonal"},
    {0, nullptr, 0, nullptr, nullptr},
};
 
const EnumPropertyItem rna_enum_modifier_triangulate_ngon_method_items[] = {
    {MOD_TRIANGULATE_NGON_BEAUTY,
     "BEAUTY",
     0,
     "Beauty",
     "Arrange the new triangles evenly (slow)"},
    {MOD_TRIANGULATE_NGON_EARCLIP,
     "CLIP",
     0,
     "Clip",
     "Split the polygons with an ear clipping algorithm"},
    {0, nullptr, 0, nullptr, nullptr},
};
 
const EnumPropertyItem rna_enum_modifier_shrinkwrap_mode_items[] = {
    {MOD_SHRINKWRAP_ON_SURFACE,
     "ON_SURFACE",
     0,
     "On Surface",
     "The point is constrained to the surface of the target object, "
     "with distance offset towards the original point location"},
    {MOD_SHRINKWRAP_INSIDE,
     "INSIDE",
     0,
     "Inside",
     "The point is constrained to be inside the target object"},
    {MOD_SHRINKWRAP_OUTSIDE,
     "OUTSIDE",
     0,
     "Outside",
     "The point is constrained to be outside the target object"},
    {MOD_SHRINKWRAP_OUTSIDE_SURFACE,
     "OUTSIDE_SURFACE",
     0,
     "Outside Surface",
     "The point is constrained to the surface of the target object, "
     "with distance offset always to the outside, towards or away from the original location"},
    {MOD_SHRINKWRAP_ABOVE_SURFACE,
     "ABOVE_SURFACE",
     0,
     "Above Surface",
     "The point is constrained to the surface of the target object, "
     "with distance offset applied exactly along the target normal"},
    {0, nullptr, 0, nullptr, nullptr},
};
 
const EnumPropertyItem rna_enum_shrinkwrap_type_items[] = {
    {MOD_SHRINKWRAP_NEAREST_SURFACE,
     "NEAREST_SURFACEPOINT",
     0,
     "Nearest Surface Point",
     "Shrink the mesh to the nearest target surface"},
    {MOD_SHRINKWRAP_PROJECT,
     "PROJECT",
     0,
     "Project",
     "Shrink the mesh to the nearest target surface along a given axis"},
    {MOD_SHRINKWRAP_NEAREST_VERTEX,
     "NEAREST_VERTEX",
     0,
     "Nearest Vertex",
     "Shrink the mesh to the nearest target vertex"},
    {MOD_SHRINKWRAP_TARGET_PROJECT,
     "TARGET_PROJECT",
     0,
     "Target Normal Project",
     "Shrink the mesh to the nearest target surface "
     "along the interpolated vertex normals of the target"},
    {0, nullptr, 0, nullptr, nullptr},
};
 
const EnumPropertyItem rna_enum_shrinkwrap_face_cull_items[] = {
    {0, "OFF", 0, "Off", "No culling"},
    {MOD_SHRINKWRAP_CULL_TARGET_FRONTFACE,
     "FRONT",
     0,
     "Front",
     "No projection when in front of the face"},
    {MOD_SHRINKWRAP_CULL_TARGET_BACKFACE, "BACK", 0, "Back", "No projection when behind the face"},
    {0, nullptr, 0, nullptr, nullptr},
};
 
const EnumPropertyItem rna_enum_node_warning_type_items[] = {
    {int(blender::nodes::NodeWarningType::Error), "ERROR", ICON_CANCEL, "Error", ""},
    {int(blender::nodes::NodeWarningType::Warning), "WARNING", ICON_ERROR, "Warning", ""},
    {int(blender::nodes::NodeWarningType::Info), "INFO", ICON_INFO, "Info", ""},
    {0, nullptr, 0, nullptr, nullptr},
};
 
#ifndef RNA_RUNTIME
/* use eWarp_Falloff_*** & eHook_Falloff_***, they're in sync */
static const EnumPropertyItem modifier_warp_falloff_items[] = {
    {eWarp_Falloff_None, "NONE", 0, "No Falloff", ""},
    {eWarp_Falloff_Curve, "CURVE", 0, "Curve", ""},
    {eWarp_Falloff_Smooth, "SMOOTH", ICON_SMOOTHCURVE, "Smooth", ""},
    {eWarp_Falloff_Sphere, "SPHERE", ICON_SPHERECURVE, "Sphere", ""},
    {eWarp_Falloff_Root, "ROOT", ICON_ROOTCURVE, "Root", ""},
    {eWarp_Falloff_InvSquare, "INVERSE_SQUARE", ICON_ROOTCURVE, "Inverse Square", ""},
    {eWarp_Falloff_Sharp, "SHARP", ICON_SHARPCURVE, "Sharp", ""},
    {eWarp_Falloff_Linear, "LINEAR", ICON_LINCURVE, "Linear", ""},
    {eWarp_Falloff_Const, "CONSTANT", ICON_NOCURVE, "Constant", ""},
    {0, nullptr, 0, nullptr, nullptr},
};
#endif
 
/* ***** Data Transfer ***** */
 
const EnumPropertyItem rna_enum_dt_method_vertex_items[] = {
    {MREMAP_MODE_TOPOLOGY, "TOPOLOGY", 0, "Topology", "Copy from identical topology meshes"},
    {MREMAP_MODE_VERT_NEAREST, "NEAREST", 0, "Nearest Vertex", "Copy from closest vertex"},
    {MREMAP_MODE_VERT_EDGE_NEAREST,
     "EDGE_NEAREST",
     0,
     "Nearest Edge Vertex",
     "Copy from closest vertex of closest edge"},
    {MREMAP_MODE_VERT_EDGEINTERP_NEAREST,
     "EDGEINTERP_NEAREST",
     0,
     "Nearest Edge Interpolated",
     "Copy from interpolated values of vertices from closest point on closest edge"},
    {MREMAP_MODE_VERT_FACE_NEAREST,
     "POLY_NEAREST",
     0,
     "Nearest Face Vertex",
     "Copy from closest vertex of closest face"},
    {MREMAP_MODE_VERT_POLYINTERP_NEAREST,
     "POLYINTERP_NEAREST",
     0,
     "Nearest Face Interpolated",
     "Copy from interpolated values of vertices from closest point on closest face"},
    {MREMAP_MODE_VERT_POLYINTERP_VNORPROJ,
     "POLYINTERP_VNORPROJ",
     0,
     "Projected Face Interpolated",
     "Copy from interpolated values of vertices from point on closest face hit by "
     "normal-projection"},
    {0, nullptr, 0, nullptr, nullptr},
};
 
const EnumPropertyItem rna_enum_dt_method_edge_items[] = {
    {MREMAP_MODE_TOPOLOGY, "TOPOLOGY", 0, "Topology", "Copy from identical topology meshes"},
    {MREMAP_MODE_EDGE_VERT_NEAREST,
     "VERT_NEAREST",
     0,
     "Nearest Vertices",
     "Copy from most similar edge (edge which vertices are the closest of destination edge's "
     "ones)"},
    {MREMAP_MODE_EDGE_NEAREST,
     "NEAREST",
     0,
     "Nearest Edge",
     "Copy from closest edge (using midpoints)"},
    {MREMAP_MODE_EDGE_POLY_NEAREST,
     "POLY_NEAREST",
     0,
     "Nearest Face Edge",
     "Copy from closest edge of closest face (using midpoints)"},
    {MREMAP_MODE_EDGE_EDGEINTERP_VNORPROJ,
     "EDGEINTERP_VNORPROJ",
     0,
     "Projected Edge Interpolated",
     "Interpolate all source edges hit by the projection of destination one along its own normal "
     "(from vertices)"},
    {0, nullptr, 0, nullptr, nullptr},
};
 
const EnumPropertyItem rna_enum_dt_method_loop_items[] = {
    {MREMAP_MODE_TOPOLOGY, "TOPOLOGY", 0, "Topology", "Copy from identical topology meshes"},
    {MREMAP_MODE_LOOP_NEAREST_LOOPNOR,
     "NEAREST_NORMAL",
     0,
     "Nearest Corner and Best Matching Normal",
     "Copy from nearest corner which has the best matching normal"},
    {MREMAP_MODE_LOOP_NEAREST_POLYNOR,
     "NEAREST_POLYNOR",
     0,
     "Nearest Corner and Best Matching Face Normal",
     "Copy from nearest corner which has the face with the best matching normal to destination "
     "corner's face one"},
    {MREMAP_MODE_LOOP_POLY_NEAREST,
     "NEAREST_POLY",
     0,
     "Nearest Corner of Nearest Face",
     "Copy from nearest corner of nearest face"},
    {MREMAP_MODE_LOOP_POLYINTERP_NEAREST,
     "POLYINTERP_NEAREST",
     0,
     "Nearest Face Interpolated",
     "Copy from interpolated corners of the nearest source face"},
    {MREMAP_MODE_LOOP_POLYINTERP_LNORPROJ,
     "POLYINTERP_LNORPROJ",
     0,
     "Projected Face Interpolated",
     "Copy from interpolated corners of the source face hit by corner normal projection"},
    {0, nullptr, 0, nullptr, nullptr},
};
 
const EnumPropertyItem rna_enum_dt_method_poly_items[] = {
    {MREMAP_MODE_TOPOLOGY, "TOPOLOGY", 0, "Topology", "Copy from identical topology meshes"},
    {MREMAP_MODE_POLY_NEAREST,
     "NEAREST",
     0,
     "Nearest Face",
     "Copy from nearest face (using center points)"},
    {MREMAP_MODE_POLY_NOR,
     "NORMAL",
     0,
     "Best Normal-Matching",
     "Copy from source face which normal is the closest to destination one"},
    {MREMAP_MODE_POLY_POLYINTERP_PNORPROJ,
     "POLYINTERP_PNORPROJ",
     0,
     "Projected Face Interpolated",
     "Interpolate all source polygons intersected by the projection of destination one along its "
     "own normal"},
    {0, nullptr, 0, nullptr, nullptr},
};
 
const EnumPropertyItem rna_enum_dt_mix_mode_items[] = {
    {CDT_MIX_TRANSFER, "REPLACE", 0, "Replace", "Overwrite all elements' data"},
    {CDT_MIX_REPLACE_ABOVE_THRESHOLD,
     "ABOVE_THRESHOLD",
     0,
     "Above Threshold",
     "Only replace destination elements where data is above given threshold (exact behavior "
     "depends on data type)"},
    {CDT_MIX_REPLACE_BELOW_THRESHOLD,
     "BELOW_THRESHOLD",
     0,
     "Below Threshold",
     "Only replace destination elements where data is below given threshold (exact behavior "
     "depends on data type)"},
    {CDT_MIX_MIX,
     "MIX",
     0,
     "Mix",
     "Mix source value into destination one, using given threshold as factor"},
    {CDT_MIX_ADD,
     "ADD",
     0,
     "Add",
     "Add source value to destination one, using given threshold as factor"},
    {CDT_MIX_SUB,
     "SUB",
     0,
     "Subtract",
     "Subtract source value to destination one, using given threshold as factor"},
    {CDT_MIX_MUL,
     "MUL",
     0,
     "Multiply",
     "Multiply source value to destination one, using given threshold as factor"},
    /* Etc. */
    {0, nullptr, 0, nullptr, nullptr},
};
 
const EnumPropertyItem rna_enum_dt_layers_select_src_items[] = {
    {DT_LAYERS_ACTIVE_SRC, "ACTIVE", 0, "Active Layer", "Only transfer active data layer"},
    {DT_LAYERS_ALL_SRC, "ALL", 0, "All Layers", "Transfer all data layers"},
    {DT_LAYERS_VGROUP_SRC_BONE_SELECT,
     "BONE_SELECT",
     0,
     "Selected Pose Bones",
     "Transfer all vertex groups used by selected pose bones"},
    {DT_LAYERS_VGROUP_SRC_BONE_DEFORM,
     "BONE_DEFORM",
     0,
     "Deform Pose Bones",
     "Transfer all vertex groups used by deform bones"},
    {0, nullptr, 0, nullptr, nullptr},
};
 
const EnumPropertyItem rna_enum_dt_layers_select_dst_items[] = {
    {DT_LAYERS_ACTIVE_DST, "ACTIVE", 0, "Active Layer", "Affect active data layer of all targets"},
    {DT_LAYERS_NAME_DST, "NAME", 0, "By Name", "Match target data layers to affect by name"},
    {DT_LAYERS_INDEX_DST,
     "INDEX",
     0,
     "By Order",
     "Match target data layers to affect by order (indices)"},
    {0, nullptr, 0, nullptr, nullptr},
};
 
const EnumPropertyItem rna_enum_axis_xy_items[] = {
    {0, "X", 0, "X", ""},
    {1, "Y", 0, "Y", ""},
    {0, nullptr, 0, nullptr, nullptr},
};
 
const EnumPropertyItem rna_enum_axis_xyz_items[] = {
    {0, "X", 0, "X", ""},
    {1, "Y", 0, "Y", ""},
    {2, "Z", 0, "Z", ""},
    {0, nullptr, 0, nullptr, nullptr},
};
 
const EnumPropertyItem rna_enum_axis_flag_xyz_items[] = {
    {(1 << 0), "X", 0, "X", ""},
    {(1 << 1), "Y", 0, "Y", ""},
    {(1 << 2), "Z", 0, "Z", ""},
    {0, nullptr, 0, nullptr, nullptr},
};
 
const EnumPropertyItem rna_enum_subdivision_uv_smooth_items[] = {
    {SUBSURF_UV_SMOOTH_NONE, "NONE", 0, "None", "UVs are not smoothed, boundaries are kept sharp"},
    {SUBSURF_UV_SMOOTH_PRESERVE_CORNERS,
     "PRESERVE_CORNERS",
     0,
     "Keep Corners",
     "UVs are smoothed, corners on discontinuous boundary are kept sharp"},
    {SUBSURF_UV_SMOOTH_PRESERVE_CORNERS_AND_JUNCTIONS,
     "PRESERVE_CORNERS_AND_JUNCTIONS",
     0,
     "Keep Corners, Junctions",
     "UVs are smoothed, corners on discontinuous boundary and "
     "junctions of 3 or more regions are kept sharp"},
    {SUBSURF_UV_SMOOTH_PRESERVE_CORNERS_JUNCTIONS_AND_CONCAVE,
     "PRESERVE_CORNERS_JUNCTIONS_AND_CONCAVE",
     0,
     "Keep Corners, Junctions, Concave",
     "UVs are smoothed, corners on discontinuous boundary, "
     "junctions of 3 or more regions and darts and concave corners are kept sharp"},
    {SUBSURF_UV_SMOOTH_PRESERVE_BOUNDARIES,
     "PRESERVE_BOUNDARIES",
     0,
     "Keep Boundaries",
     "UVs are smoothed, boundaries are kept sharp"},
    {SUBSURF_UV_SMOOTH_ALL, "SMOOTH_ALL", 0, "All", "UVs and boundaries are smoothed"},
    {0, nullptr, 0, nullptr, nullptr},
};
 
const EnumPropertyItem rna_enum_subdivision_boundary_smooth_items[] = {
    {SUBSURF_BOUNDARY_SMOOTH_PRESERVE_CORNERS,
     "PRESERVE_CORNERS",
     0,
     "Keep Corners",
     "Smooth boundaries, but corners are kept sharp"},
    {SUBSURF_BOUNDARY_SMOOTH_ALL, "ALL", 0, "All", "Smooth boundaries, including corners"},
    {0, nullptr, 0, nullptr, nullptr},
};
 
static const EnumPropertyItem grease_pencil_build_time_mode_items[] = {
    {MOD_GREASE_PENCIL_BUILD_TIMEMODE_DRAWSPEED,
     "DRAWSPEED",
     0,
     "Natural Drawing Speed",
     "Use recorded speed multiplied by a factor"},
    {MOD_GREASE_PENCIL_BUILD_TIMEMODE_FRAMES,
     "FRAMES",
     0,
     "Number of Frames",
     "Set a fixed number of frames for all build animations"},
    {MOD_GREASE_PENCIL_BUILD_TIMEMODE_PERCENTAGE,
     "PERCENTAGE",
     0,
     "Percentage Factor",
     "Set a manual percentage to build"},
    {0, nullptr, 0, nullptr, nullptr},
};
 
#ifdef RNA_RUNTIME
 
#  include <algorithm>
#  include <fmt/format.h>
 
#  include "DNA_curve_types.h"
#  include "DNA_fluid_types.h"
#  include "DNA_material_types.h"
#  include "DNA_mesh_types.h"
#  include "DNA_object_force_types.h"
#  include "DNA_particle_types.h"
 
#  include "BKE_cachefile.hh"
#  include "BKE_compute_contexts.hh"
#  include "BKE_context.hh"
#  include "BKE_curveprofile.h"
#  include "BKE_deform.hh"
#  include "BKE_fluid.h"
#  include "BKE_material.hh"
#  include "BKE_mesh_runtime.hh"
#  include "BKE_modifier.hh"
#  include "BKE_multires.hh"
#  include "BKE_object.hh"
#  include "BKE_ocean.h"
#  include "BKE_particle.h"
 
#  include "BLI_sort_utils.h"
#  include "BLI_string_utils.hh"
 
#  include "DEG_depsgraph.hh"
#  include "DEG_depsgraph_build.hh"
#  include "DEG_depsgraph_query.hh"
 
#  include "MOD_nodes.hh"
 
#  include "ED_object.hh"
 
#  ifdef WITH_ALEMBIC
#    include "ABC_alembic.h"
#  endif
 
static void rna_UVProject_projectors_begin(CollectionPropertyIterator *iter, PointerRNA *ptr)
{
  UVProjectModifierData *uvp = (UVProjectModifierData *)ptr->data;
  rna_iterator_array_begin(
      iter, ptr, (void *)uvp->projectors, sizeof(Object *), uvp->projectors_num, 0, nullptr);
}
 
static StructRNA *rna_Modifier_refine(PointerRNA *ptr)
{
  ModifierData *md = (ModifierData *)ptr->data;
  const ModifierTypeInfo *modifier_type = BKE_modifier_get_info(ModifierType(md->type));
  if (modifier_type != nullptr) {
    return modifier_type->srna;
  }
  return &RNA_Modifier;
}
 
static void rna_Modifier_name_set(PointerRNA *ptr, const char *value)
{
  ModifierData *md = static_cast<ModifierData *>(ptr->data);
  char oldname[sizeof(md->name)];
 
  /* make a copy of the old name first */
  STRNCPY(oldname, md->name);
 
  /* copy the new name into the name slot */
  STRNCPY_UTF8(md->name, value);
 
  /* make sure the name is truly unique */
  if (ptr->owner_id) {
    Object *ob = (Object *)ptr->owner_id;
    BKE_modifier_unique_name(&ob->modifiers, md);
  }
 
  /* fix all the animation data which may link to this */
  BKE_animdata_fix_paths_rename_all(nullptr, "modifiers", oldname, md->name);
}
 
static void rna_Modifier_name_update(Main *bmain, Scene * /*scene*/, PointerRNA * /*ptr*/)
{
  DEG_relations_tag_update(bmain);
}
 
static std::optional<std::string> rna_Modifier_path(const PointerRNA *ptr)
{
  const ModifierData *md = static_cast<const ModifierData *>(ptr->data);
  char name_esc[sizeof(md->name) * 2];
 
  BLI_str_escape(name_esc, md->name, sizeof(name_esc));
  return fmt::format("modifiers[\"{}\"]", name_esc);
}
 
static void rna_Modifier_update(Main * /*bmain*/, Scene * /*scene*/, PointerRNA *ptr)
{
  DEG_id_tag_update(ptr->owner_id, ID_RECALC_GEOMETRY);
  WM_main_add_notifier(NC_OBJECT | ND_MODIFIER, ptr->owner_id);
}
 
static void rna_Modifier_dependency_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  rna_Modifier_update(bmain, scene, ptr);
  DEG_relations_tag_update(bmain);
}
 
static void rna_NodesModifier_bake_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  rna_Modifier_update(bmain, scene, ptr);
  WM_main_add_notifier(NC_NODE | NA_EDITED, ptr->owner_id);
}
 
static void rna_Modifier_is_active_set(PointerRNA *ptr, bool value)
{
  ModifierData *md = static_cast<ModifierData *>(ptr->data);
 
  if (value) {
    /* Disable the active flag of all other modifiers. */
    for (ModifierData *prev_md = md->prev; prev_md != nullptr; prev_md = prev_md->prev) {
      prev_md->flag &= ~eModifierFlag_Active;
    }
    for (ModifierData *next_md = md->next; next_md != nullptr; next_md = next_md->next) {
      next_md->flag &= ~eModifierFlag_Active;
    }
 
    md->flag |= eModifierFlag_Active;
    WM_main_add_notifier(NC_OBJECT | ND_MODIFIER, ptr->owner_id);
  }
}
 
static void rna_Modifier_use_pin_to_last_set(PointerRNA *ptr, bool value)
{
  Object *object = reinterpret_cast<Object *>(ptr->owner_id);
  ModifierData *md = static_cast<ModifierData *>(ptr->data);
  SET_FLAG_FROM_TEST(md->flag, value, eModifierFlag_PinLast);
 
  int to_index = BLI_findindex(&object->modifiers, md);
  if (value) {
    ModifierData *md_iter = md;
    while (md_iter->next && (md_iter->next->flag & eModifierFlag_PinLast) == 0) {
      to_index++;
      md_iter = md_iter->next;
    }
  }
  else {
    ModifierData *md_iter = md;
    while (md_iter->prev && (md_iter->prev->flag & eModifierFlag_PinLast)) {
      to_index--;
      md_iter = md_iter->prev;
    }
  }
  blender::ed::object::modifier_move_to_index(nullptr, RPT_ERROR, object, md, to_index, true);
}
 
/* Vertex Groups */
 
#  define RNA_MOD_VGROUP_NAME_SET(_type, _prop) \
    static void rna_##_type##Modifier_##_prop##_set(PointerRNA *ptr, const char *value) \
    { \
      _type##ModifierData *tmd = (_type##ModifierData *)ptr->data; \
      rna_object_vgroup_name_set(ptr, value, tmd->_prop, sizeof(tmd->_prop)); \
    }
 
RNA_MOD_VGROUP_NAME_SET(Armature, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(Bevel, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(Cast, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(Curve, name);
RNA_MOD_VGROUP_NAME_SET(DataTransfer, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(Decimate, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(CorrectiveSmooth, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(Displace, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(Hook, name);
RNA_MOD_VGROUP_NAME_SET(LaplacianDeform, anchor_grp_name);
RNA_MOD_VGROUP_NAME_SET(LaplacianSmooth, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(Lattice, name);
RNA_MOD_VGROUP_NAME_SET(Mask, vgroup);
RNA_MOD_VGROUP_NAME_SET(MeshCache, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(MeshDeform, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(NormalEdit, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(Shrinkwrap, vgroup_name);
RNA_MOD_VGROUP_NAME_SET(SimpleDeform, vgroup_name);
RNA_MOD_VGROUP_NAME_SET(Smooth, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(Solidify, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(Solidify, shell_defgrp_name);
RNA_MOD_VGROUP_NAME_SET(Solidify, rim_defgrp_name);
RNA_MOD_VGROUP_NAME_SET(SurfaceDeform, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(UVWarp, vgroup_name);
RNA_MOD_VGROUP_NAME_SET(Warp, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(Wave, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(WeightVGEdit, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(WeightVGEdit, mask_defgrp_name);
RNA_MOD_VGROUP_NAME_SET(WeightVGMix, defgrp_name_a);
RNA_MOD_VGROUP_NAME_SET(WeightVGMix, defgrp_name_b);
RNA_MOD_VGROUP_NAME_SET(WeightVGMix, mask_defgrp_name);
RNA_MOD_VGROUP_NAME_SET(WeightVGProximity, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(WeightVGProximity, mask_defgrp_name);
RNA_MOD_VGROUP_NAME_SET(WeightedNormal, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(Weld, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(Wireframe, defgrp_name);
RNA_MOD_VGROUP_NAME_SET(GreasePencilWeightAngle, target_vgname);
RNA_MOD_VGROUP_NAME_SET(GreasePencilWeightProximity, target_vgname);
RNA_MOD_VGROUP_NAME_SET(GreasePencilLineart, vgname);
RNA_MOD_VGROUP_NAME_SET(GreasePencilBuild, target_vgname);
 
static void rna_ExplodeModifier_vgroup_get(PointerRNA *ptr, char *value)
{
  ExplodeModifierData *emd = (ExplodeModifierData *)ptr->data;
  rna_object_vgroup_name_index_get(ptr, value, emd->vgroup);
}
 
static int rna_ExplodeModifier_vgroup_length(PointerRNA *ptr)
{
  ExplodeModifierData *emd = (ExplodeModifierData *)ptr->data;
  return rna_object_vgroup_name_index_length(ptr, emd->vgroup);
}
 
static void rna_ExplodeModifier_vgroup_set(PointerRNA *ptr, const char *value)
{
  ExplodeModifierData *emd = (ExplodeModifierData *)ptr->data;
  rna_object_vgroup_name_index_set(ptr, value, &emd->vgroup);
}
 
#  undef RNA_MOD_VGROUP_NAME_SET
 
/* UV layers */
 
#  define RNA_MOD_UVLAYER_NAME_SET(_type, _prop) \
    static void rna_##_type##Modifier_##_prop##_set(PointerRNA *ptr, const char *value) \
    { \
      _type##ModifierData *tmd = (_type##ModifierData *)ptr->data; \
      rna_object_uvlayer_name_set(ptr, value, tmd->_prop, sizeof(tmd->_prop)); \
    }
 
RNA_MOD_UVLAYER_NAME_SET(MappingInfo, uvlayer_name);
RNA_MOD_UVLAYER_NAME_SET(UVProject, uvlayer_name);
RNA_MOD_UVLAYER_NAME_SET(UVWarp, uvlayer_name);
RNA_MOD_UVLAYER_NAME_SET(WeightVGEdit, mask_tex_uvlayer_name);
RNA_MOD_UVLAYER_NAME_SET(WeightVGMix, mask_tex_uvlayer_name);
RNA_MOD_UVLAYER_NAME_SET(WeightVGProximity, mask_tex_uvlayer_name);
 
#  undef RNA_MOD_UVLAYER_NAME_SET
 
/* Objects */
 
static void modifier_object_set(Object *self, Object **ob_p, int type, PointerRNA value)
{
  Object *ob = static_cast<Object *>(value.data);
 
  if (!self || ob != self) {
    if (!ob || type == OB_EMPTY || ob->type == type) {
      id_lib_extern((ID *)ob);
      *ob_p = ob;
    }
  }
}
 
#  define RNA_MOD_OBJECT_SET(_type, _prop, _obtype) \
    static void rna_##_type##Modifier_##_prop##_set( \
        PointerRNA *ptr, PointerRNA value, ReportList * /*reports*/) \
    { \
      _type##ModifierData *tmd = (_type##ModifierData *)ptr->data; \
      modifier_object_set((Object *)ptr->owner_id, &tmd->_prop, _obtype, value); \
    }
 
RNA_MOD_OBJECT_SET(Armature, object, OB_ARMATURE);
RNA_MOD_OBJECT_SET(Array, start_cap, OB_MESH);
RNA_MOD_OBJECT_SET(Array, end_cap, OB_MESH);
RNA_MOD_OBJECT_SET(Array, curve_ob, OB_CURVES_LEGACY);
RNA_MOD_OBJECT_SET(Boolean, object, OB_MESH);
RNA_MOD_OBJECT_SET(Cast, object, OB_EMPTY);
RNA_MOD_OBJECT_SET(Curve, object, OB_CURVES_LEGACY);
RNA_MOD_OBJECT_SET(DataTransfer, ob_source, OB_MESH);
RNA_MOD_OBJECT_SET(Lattice, object, OB_LATTICE);
RNA_MOD_OBJECT_SET(Mask, ob_arm, OB_ARMATURE);
RNA_MOD_OBJECT_SET(MeshDeform, object, OB_MESH);
RNA_MOD_OBJECT_SET(NormalEdit, target, OB_EMPTY);
RNA_MOD_OBJECT_SET(Shrinkwrap, target, OB_MESH);
RNA_MOD_OBJECT_SET(Shrinkwrap, auxTarget, OB_MESH);
RNA_MOD_OBJECT_SET(SurfaceDeform, target, OB_MESH);
RNA_MOD_OBJECT_SET(GreasePencilMirror, object, OB_EMPTY);
RNA_MOD_OBJECT_SET(GreasePencilTint, object, OB_EMPTY);
RNA_MOD_OBJECT_SET(GreasePencilLattice, object, OB_LATTICE);
RNA_MOD_OBJECT_SET(GreasePencilWeightProximity, object, OB_EMPTY);
RNA_MOD_OBJECT_SET(GreasePencilHook, object, OB_EMPTY);
RNA_MOD_OBJECT_SET(GreasePencilArmature, object, OB_ARMATURE);
RNA_MOD_OBJECT_SET(GreasePencilOutline, object, OB_EMPTY);
RNA_MOD_OBJECT_SET(GreasePencilShrinkwrap, target, OB_MESH);
RNA_MOD_OBJECT_SET(GreasePencilShrinkwrap, aux_target, OB_MESH);
RNA_MOD_OBJECT_SET(GreasePencilBuild, object, OB_EMPTY);
 
static void rna_HookModifier_object_set(PointerRNA *ptr,
                                        PointerRNA value,
                                        ReportList * /*reports*/)
{
  Object *owner = (Object *)ptr->owner_id;
  HookModifierData *hmd = static_cast<HookModifierData *>(ptr->data);
  Object *ob = (Object *)value.data;
 
  hmd->object = ob;
  id_lib_extern((ID *)ob);
  BKE_object_modifier_hook_reset(owner, hmd);
}
 
static bool rna_HookModifier_object_override_apply(Main *bmain,
                                                   RNAPropertyOverrideApplyContext &rnaapply_ctx)
{
  PointerRNA *ptr_dst = &rnaapply_ctx.ptr_dst;
  PointerRNA *ptr_src = &rnaapply_ctx.ptr_src;
  PointerRNA *ptr_storage = &rnaapply_ctx.ptr_storage;
  PropertyRNA *prop_dst = rnaapply_ctx.prop_dst;
  PropertyRNA *prop_src = rnaapply_ctx.prop_src;
  const int len_dst = rnaapply_ctx.len_src;
  const int len_src = rnaapply_ctx.len_src;
  const int len_storage = rnaapply_ctx.len_storage;
  IDOverrideLibraryPropertyOperation *opop = rnaapply_ctx.liboverride_operation;
 
  BLI_assert(len_dst == len_src && (!ptr_storage || len_dst == len_storage) && len_dst == 0);
  BLI_assert(opop->operation == LIBOVERRIDE_OP_REPLACE &&
             "Unsupported RNA override operation on Hook modifier target object pointer");
  UNUSED_VARS_NDEBUG(ptr_storage, len_dst, len_src, len_storage, opop);
 
  /* We need a special handling here because setting hook target resets invert parent matrix,
   * which is evil in our case. */
  HookModifierData *hmd = static_cast<HookModifierData *>(ptr_dst->data);
  Object *owner = (Object *)ptr_dst->owner_id;
  Object *target_dst = static_cast<Object *>(RNA_property_pointer_get(ptr_dst, prop_dst).data);
  Object *target_src = static_cast<Object *>(RNA_property_pointer_get(ptr_src, prop_src).data);
 
  BLI_assert(target_dst == hmd->object);
 
  if (target_src == target_dst) {
    return false;
  }
 
  hmd->object = target_src;
  if (target_src == nullptr) {
    /* The only case where we do want default behavior (with matrix reset). */
    BKE_object_modifier_hook_reset(owner, hmd);
  }
  RNA_property_update_main(bmain, nullptr, ptr_dst, prop_dst);
  return true;
}
 
static void rna_HookModifier_subtarget_set(PointerRNA *ptr, const char *value)
{
  Object *owner = (Object *)ptr->owner_id;
  HookModifierData *hmd = static_cast<HookModifierData *>(ptr->data);
 
  STRNCPY(hmd->subtarget, value);
  BKE_object_modifier_hook_reset(owner, hmd);
}
 
static int rna_HookModifier_vertex_indices_get_length(const PointerRNA *ptr,
                                                      int length[RNA_MAX_ARRAY_DIMENSION])
{
  const HookModifierData *hmd = static_cast<const HookModifierData *>(ptr->data);
  int indexar_num = hmd->indexar ? hmd->indexar_num : 0;
  return (length[0] = indexar_num);
}
 
static void rna_HookModifier_vertex_indices_get(PointerRNA *ptr, int *values)
{
  HookModifierData *hmd = static_cast<HookModifierData *>(ptr->data);
  if (hmd->indexar != nullptr) {
    memcpy(values, hmd->indexar, sizeof(int) * hmd->indexar_num);
  }
}
 
static void rna_HookModifier_vertex_indices_set(HookModifierData *hmd,
                                                ReportList *reports,
                                                const int *indices,
                                                int indices_num)
{
  if (indices_num <= 0) {
    MEM_SAFE_FREE(hmd->indexar);
    hmd->indexar_num = 0;
  }
  else {
    /* Reject negative indices. */
    for (int i = 0; i < indices_num; i++) {
      if (indices[i] < 0) {
        BKE_reportf(reports, RPT_ERROR, "Negative vertex index in vertex_indices_set");
        return;
      }
    }
 
    /* Copy and sort the index array. */
    size_t size = sizeof(int) * indices_num;
    int *buffer = MEM_malloc_arrayN<int>(size_t(indices_num), "hook indexar");
    memcpy(buffer, indices, size);
 
    qsort(buffer, indices_num, sizeof(int), BLI_sortutil_cmp_int);
 
    /* Reject duplicate indices. */
    for (int i = 1; i < indices_num; i++) {
      if (buffer[i] == buffer[i - 1]) {
        BKE_reportf(reports, RPT_ERROR, "Duplicate index %d in vertex_indices_set", buffer[i]);
        MEM_freeN(buffer);
        return;
      }
    }
 
    /* Success - save the new array. */
    MEM_SAFE_FREE(hmd->indexar);
    hmd->indexar = buffer;
    hmd->indexar_num = indices_num;
  }
}
 
static PointerRNA rna_UVProjector_object_get(PointerRNA *ptr)
{
  Object **ob = (Object **)ptr->data;
  return RNA_id_pointer_create(reinterpret_cast<ID *>(*ob));
}
 
static void rna_UVProjector_object_set(PointerRNA *ptr, PointerRNA value, ReportList * /*reports*/)
{
  Object **ob_p = (Object **)ptr->data;
  Object *ob = (Object *)value.data;
  id_lib_extern((ID *)ob);
  *ob_p = ob;
}
 
#  undef RNA_MOD_OBJECT_SET
 
/* Other rna callbacks */
 
static void rna_fluid_set_type(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  FluidModifierData *fmd = (FluidModifierData *)ptr->data;
  Object *ob = (Object *)ptr->owner_id;
 
  /* nothing changed */
  if ((fmd->type & MOD_FLUID_TYPE_DOMAIN) && fmd->domain) {
    return;
  }
 
#  ifdef WITH_FLUID
  BKE_fluid_modifier_free(fmd);             /* XXX TODO: completely free all 3 pointers */
  BKE_fluid_modifier_create_type_data(fmd); /* create regarding of selected type */
#  endif
 
  switch (fmd->type) {
    case MOD_FLUID_TYPE_DOMAIN:
      ob->dt = OB_WIRE;
      break;
    case MOD_FLUID_TYPE_FLOW:
    case MOD_FLUID_TYPE_EFFEC:
    case 0:
    default:
      break;
  }
 
  /* update dependency since a domain - other type switch could have happened */
  rna_Modifier_dependency_update(bmain, scene, ptr);
}
 
static void rna_MultiresModifier_level_range(
    PointerRNA *ptr, int *min, int *max, int * /*softmin*/, int * /*softmax*/)
{
  MultiresModifierData *mmd = (MultiresModifierData *)ptr->data;
 
  *min = 0;
  *max = max_ii(0, mmd->totlvl); /* intentionally _not_ -1 */
}
 
static bool rna_MultiresModifier_external_get(PointerRNA *ptr)
{
  Object *ob = (Object *)ptr->owner_id;
  Mesh *mesh = static_cast<Mesh *>(ob->data);
 
  return CustomData_external_test(&mesh->corner_data, CD_MDISPS);
}
 
static void rna_MultiresModifier_filepath_get(PointerRNA *ptr, char *value)
{
  Object *ob = (Object *)ptr->owner_id;
  CustomDataExternal *external = ((Mesh *)ob->data)->corner_data.external;
 
  strcpy(value, (external) ? external->filepath : "");
}
 
static void rna_MultiresModifier_filepath_set(PointerRNA *ptr, const char *value)
{
  Object *ob = (Object *)ptr->owner_id;
  CustomDataExternal *external = ((Mesh *)ob->data)->corner_data.external;
 
  if (external && !STREQ(external->filepath, value)) {
    STRNCPY(external->filepath, value);
    multires_force_external_reload(ob);
  }
}
 
static int rna_MultiresModifier_filepath_length(PointerRNA *ptr)
{
  Object *ob = (Object *)ptr->owner_id;
  CustomDataExternal *external = ((Mesh *)ob->data)->corner_data.external;
 
  return strlen((external) ? external->filepath : "");
}
 
static int rna_ShrinkwrapModifier_face_cull_get(PointerRNA *ptr)
{
  ShrinkwrapModifierData *swm = (ShrinkwrapModifierData *)ptr->data;
  return swm->shrinkOpts & MOD_SHRINKWRAP_CULL_TARGET_MASK;
}
 
static void rna_ShrinkwrapModifier_face_cull_set(PointerRNA *ptr, int value)
{
  ShrinkwrapModifierData *swm = (ShrinkwrapModifierData *)ptr->data;
  swm->shrinkOpts = (swm->shrinkOpts & ~MOD_SHRINKWRAP_CULL_TARGET_MASK) | value;
}
 
static bool rna_MeshDeformModifier_is_bound_get(PointerRNA *ptr)
{
  return (((MeshDeformModifierData *)ptr->data)->bindcagecos != nullptr);
}
 
static PointerRNA rna_SoftBodyModifier_settings_get(PointerRNA *ptr)
{
  Object *ob = (Object *)ptr->owner_id;
  return RNA_pointer_create_with_parent(*ptr, &RNA_SoftBodySettings, ob->soft);
}
 
static PointerRNA rna_SoftBodyModifier_point_cache_get(PointerRNA *ptr)
{
  Object *ob = (Object *)ptr->owner_id;
  return RNA_pointer_create_with_parent(*ptr, &RNA_PointCache, ob->soft->shared->pointcache);
}
 
static PointerRNA rna_CollisionModifier_settings_get(PointerRNA *ptr)
{
  Object *ob = (Object *)ptr->owner_id;
  return RNA_pointer_create_with_parent(*ptr, &RNA_CollisionSettings, ob->pd);
}
 
/* Special update function for setting the number of segments of the modifier that also resamples
 * the segments in the custom profile. */
static void rna_BevelModifier_update_segments(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  BevelModifierData *bmd = (BevelModifierData *)ptr->data;
  if (RNA_enum_get(ptr, "profile_type") == MOD_BEVEL_PROFILE_CUSTOM) {
    short segments = short(RNA_int_get(ptr, "segments"));
    BKE_curveprofile_init(bmd->custom_profile, segments);
  }
  rna_Modifier_update(bmain, scene, ptr);
}
 
static void rna_BevelModifier_weight_attribute_visit_for_search(
    const bContext * /*C*/,
    PointerRNA *ptr,
    PropertyRNA * /*prop*/,
    const char * /*edit_text*/,
    blender::FunctionRef<void(StringPropertySearchVisitParams)> visit_fn)
{
  Object *ob = (Object *)ptr->owner_id;
  if (ob->type != OB_MESH) {
    return;
  }
  PointerRNA mesh_ptr = RNA_id_pointer_create(static_cast<ID *>(ob->data));
  PropertyRNA *attributes_prop = RNA_struct_find_property(&mesh_ptr, "attributes");
  RNA_PROP_BEGIN (&mesh_ptr, itemptr, attributes_prop) {
    const CustomDataLayer *layer = static_cast<const CustomDataLayer *>(itemptr.data);
    if (blender::bke::allow_procedural_attribute_access(layer->name)) {
      StringPropertySearchVisitParams visit_params{};
      visit_params.text = layer->name;
      visit_fn(visit_params);
    }
  }
  RNA_PROP_END;
}
 
static void rna_UVProjectModifier_num_projectors_set(PointerRNA *ptr, int value)
{
  UVProjectModifierData *md = (UVProjectModifierData *)ptr->data;
  int a;
 
  md->projectors_num = std::clamp(value, 1, MOD_UVPROJECT_MAXPROJECTORS);
  for (a = md->projectors_num; a < MOD_UVPROJECT_MAXPROJECTORS; a++) {
    md->projectors[a] = nullptr;
  }
}
 
static void rna_OceanModifier_init_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  OceanModifierData *omd = (OceanModifierData *)ptr->data;
 
  BKE_ocean_free_modifier_cache(omd);
  rna_Modifier_update(bmain, scene, ptr);
}
 
static void rna_OceanModifier_ocean_chop_set(PointerRNA *ptr, float value)
{
  OceanModifierData *omd = (OceanModifierData *)ptr->data;
  float old_value = omd->chop_amount;
 
  omd->chop_amount = value;
 
  if ((old_value == 0.0f && value > 0.0f) || (old_value > 0.0f && value == 0.0f)) {
    BKE_ocean_free_modifier_cache(omd);
  }
}
 
static bool rna_LaplacianDeformModifier_is_bind_get(PointerRNA *ptr)
{
  LaplacianDeformModifierData *lmd = (LaplacianDeformModifierData *)ptr->data;
  return ((lmd->flag & MOD_LAPLACIANDEFORM_BIND) && (lmd->vertexco != nullptr));
}
 
/* NOTE: Curve and array modifiers requires curve path to be evaluated,
 * dependency graph will make sure that curve eval would create such a path,
 * but if curve was already evaluated we might miss path.
 *
 * So what we do here is: if path was not calculated for target curve we
 * tag it for update.
 */
 
static void rna_CurveModifier_dependency_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  CurveModifierData *cmd = (CurveModifierData *)ptr->data;
  rna_Modifier_update(bmain, scene, ptr);
  DEG_relations_tag_update(bmain);
  if (cmd->object != nullptr) {
    Curve *curve = static_cast<Curve *>(cmd->object->data);
    if ((curve->flag & CU_PATH) == 0) {
      DEG_id_tag_update(&curve->id, ID_RECALC_GEOMETRY);
    }
  }
}
 
static void rna_ArrayModifier_dependency_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  ArrayModifierData *amd = (ArrayModifierData *)ptr->data;
  rna_Modifier_update(bmain, scene, ptr);
  DEG_relations_tag_update(bmain);
  if (amd->curve_ob != nullptr) {
    Curve *curve = static_cast<Curve *>(amd->curve_ob->data);
    if ((curve->flag & CU_PATH) == 0) {
      DEG_id_tag_update(&curve->id, ID_RECALC_GEOMETRY);
    }
  }
}
 
static void rna_DataTransferModifier_use_data_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
 
  if (!(dtmd->flags & MOD_DATATRANSFER_USE_VERT)) {
    dtmd->data_types &= ~DT_TYPE_VERT_ALL;
  }
  if (!(dtmd->flags & MOD_DATATRANSFER_USE_EDGE)) {
    dtmd->data_types &= ~DT_TYPE_EDGE_ALL;
  }
  if (!(dtmd->flags & MOD_DATATRANSFER_USE_LOOP)) {
    dtmd->data_types &= ~DT_TYPE_LOOP_ALL;
  }
  if (!(dtmd->flags & MOD_DATATRANSFER_USE_POLY)) {
    dtmd->data_types &= ~DT_TYPE_POLY_ALL;
  }
 
  rna_Modifier_dependency_update(bmain, scene, ptr);
}
 
static void rna_DataTransferModifier_data_types_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
  const int item_types = BKE_object_data_transfer_get_dttypes_item_types(dtmd->data_types);
 
  if (item_types & ME_VERT) {
    dtmd->flags |= MOD_DATATRANSFER_USE_VERT;
  }
  if (item_types & ME_EDGE) {
    dtmd->flags |= MOD_DATATRANSFER_USE_EDGE;
  }
  if (item_types & ME_LOOP) {
    dtmd->flags |= MOD_DATATRANSFER_USE_LOOP;
  }
  if (item_types & ME_POLY) {
    dtmd->flags |= MOD_DATATRANSFER_USE_POLY;
  }
 
  rna_Modifier_dependency_update(bmain, scene, ptr);
}
 
static void rna_DataTransferModifier_verts_data_types_set(PointerRNA *ptr, int value)
{
  DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
 
  dtmd->data_types &= ~DT_TYPE_VERT_ALL;
  dtmd->data_types |= value;
}
 
static void rna_DataTransferModifier_edges_data_types_set(PointerRNA *ptr, int value)
{
  DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
 
  dtmd->data_types &= ~DT_TYPE_EDGE_ALL;
  dtmd->data_types |= value;
}
 
static void rna_DataTransferModifier_loops_data_types_set(PointerRNA *ptr, int value)
{
  DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
 
  dtmd->data_types &= ~DT_TYPE_LOOP_ALL;
  dtmd->data_types |= value;
}
 
static void rna_DataTransferModifier_polys_data_types_set(PointerRNA *ptr, int value)
{
  DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
 
  dtmd->data_types &= ~DT_TYPE_POLY_ALL;
  dtmd->data_types |= value;
}
 
static const EnumPropertyItem *rna_DataTransferModifier_layers_select_src_itemf(bContext *C,
                                                                                PointerRNA *ptr,
                                                                                PropertyRNA *prop,
                                                                                bool *r_free)
{
  using namespace blender;
  DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
  EnumPropertyItem *item = nullptr, tmp_item = {0};
  int totitem = 0;
 
  if (!C) { /* needed for docs and i18n tools */
    return rna_enum_dt_layers_select_src_items;
  }
 
  /* No active here! */
  RNA_enum_items_add_value(
      &item, &totitem, rna_enum_dt_layers_select_src_items, DT_LAYERS_ALL_SRC);
 
  if (STREQ(RNA_property_identifier(prop), "layers_vgroup_select_src")) {
    Object *ob_src = dtmd->ob_source;
 
#  if 0 /* XXX Don't think we want this in modifier version... */
    if (BKE_object_pose_armature_get(ob_src)) {
      RNA_enum_items_add_value(
          &item, &totitem, rna_enum_dt_layers_select_src_items, DT_LAYERS_VGROUP_SRC_BONE_SELECT);
      RNA_enum_items_add_value(
          &item, &totitem, rna_enum_dt_layers_select_src_items, DT_LAYERS_VGROUP_SRC_BONE_DEFORM);
    }
#  endif
 
    if (ob_src) {
      const bDeformGroup *dg;
      int i;
 
      RNA_enum_item_add_separator(&item, &totitem);
 
      const ListBase *defbase = BKE_object_defgroup_list(ob_src);
      for (i = 0, dg = static_cast<const bDeformGroup *>(defbase->first); dg; i++, dg = dg->next) {
        tmp_item.value = i;
        tmp_item.identifier = tmp_item.name = dg->name;
        RNA_enum_item_add(&item, &totitem, &tmp_item);
      }
    }
  }
  else if (STREQ(RNA_property_identifier(prop), "layers_shapekey_select_src")) {
    /* TODO */
  }
  else if (STREQ(RNA_property_identifier(prop), "layers_uv_select_src")) {
    Object *ob_src = dtmd->ob_source;
 
    if (ob_src) {
      int num_data, i;
 
      Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
      const Object *ob_eval = DEG_get_evaluated(depsgraph, ob_src);
      if (!ob_eval) {
        RNA_enum_item_end(&item, &totitem);
        *r_free = true;
        return item;
      }
      const Mesh *mesh_eval = BKE_object_get_evaluated_mesh(ob_eval);
      if (!mesh_eval) {
        RNA_enum_item_end(&item, &totitem);
        *r_free = true;
        return item;
      }
 
      num_data = CustomData_number_of_layers(&mesh_eval->corner_data, CD_PROP_FLOAT2);
 
      RNA_enum_item_add_separator(&item, &totitem);
 
      for (i = 0; i < num_data; i++) {
        tmp_item.value = i;
        tmp_item.identifier = tmp_item.name = CustomData_get_layer_name(
            &mesh_eval->corner_data, CD_PROP_FLOAT2, i);
        RNA_enum_item_add(&item, &totitem, &tmp_item);
      }
    }
  }
  else if (STREQ(RNA_property_identifier(prop), "layers_vcol_vert_select_src") ||
           STREQ(RNA_property_identifier(prop), "layers_vcol_loop_select_src"))
  {
    Object *ob_src = dtmd->ob_source;
 
    if (ob_src) {
      bke::AttrDomain domain = STREQ(RNA_property_identifier(prop),
                                     "layers_vcol_vert_select_src") ?
                                   bke::AttrDomain::Point :
                                   bke::AttrDomain::Corner;
 
      Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
      const Object *ob_eval = DEG_get_evaluated(depsgraph, ob_src);
      if (!ob_eval) {
        RNA_enum_item_end(&item, &totitem);
        *r_free = true;
        return item;
      }
      const Mesh *mesh_eval = BKE_object_get_evaluated_mesh(ob_eval);
      if (!mesh_eval) {
        RNA_enum_item_end(&item, &totitem);
        *r_free = true;
        return item;
      }
 
      const CustomData *cdata;
      if (domain == bke::AttrDomain::Point) {
        cdata = &mesh_eval->vert_data;
      }
      else {
        cdata = &mesh_eval->corner_data;
      }
 
      eCustomDataType types[2] = {CD_PROP_COLOR, CD_PROP_BYTE_COLOR};
 
      int idx = 0;
      for (int i = 0; i < 2; i++) {
        int num_data = CustomData_number_of_layers(cdata, types[i]);
 
        RNA_enum_item_add_separator(&item, &totitem);
 
        for (int j = 0; j < num_data; j++) {
          tmp_item.value = idx++;
          tmp_item.identifier = tmp_item.name = CustomData_get_layer_name(cdata, types[i], j);
          RNA_enum_item_add(&item, &totitem, &tmp_item);
        }
      }
    }
  }
 
  RNA_enum_item_end(&item, &totitem);
  *r_free = true;
 
  return item;
}
 
static const EnumPropertyItem *rna_DataTransferModifier_layers_select_dst_itemf(bContext *C,
                                                                                PointerRNA *ptr,
                                                                                PropertyRNA *prop,
                                                                                bool *r_free)
{
  DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
  EnumPropertyItem *item = nullptr, tmp_item = {0};
  int totitem = 0;
 
  if (!C) { /* needed for docs and i18n tools */
    return rna_enum_dt_layers_select_dst_items;
  }
 
  /* No active here! */
  RNA_enum_items_add_value(
      &item, &totitem, rna_enum_dt_layers_select_dst_items, DT_LAYERS_NAME_DST);
  RNA_enum_items_add_value(
      &item, &totitem, rna_enum_dt_layers_select_dst_items, DT_LAYERS_INDEX_DST);
 
  if (STREQ(RNA_property_identifier(prop), "layers_vgroup_select_dst")) {
    /* Only list destination layers if we have a single source! */
    if (dtmd->layers_select_src[DT_MULTILAYER_INDEX_MDEFORMVERT] >= 0) {
      Object *ob_dst = CTX_data_active_object(C); /* XXX Is this OK? */
 
      if (ob_dst) {
        const bDeformGroup *dg;
        int i;
 
        RNA_enum_item_add_separator(&item, &totitem);
 
        const ListBase *defbase = BKE_object_defgroup_list(ob_dst);
        for (i = 0, dg = static_cast<const bDeformGroup *>(defbase->first); dg; i++, dg = dg->next)
        {
          tmp_item.value = i;
          tmp_item.identifier = tmp_item.name = dg->name;
          RNA_enum_item_add(&item, &totitem, &tmp_item);
        }
      }
    }
  }
  else if (STREQ(RNA_property_identifier(prop), "layers_shapekey_select_dst")) {
    /* TODO */
  }
  else if (STREQ(RNA_property_identifier(prop), "layers_uv_select_dst")) {
    /* Only list destination layers if we have a single source! */
    if (dtmd->layers_select_src[DT_MULTILAYER_INDEX_UV] >= 0) {
      Object *ob_dst = CTX_data_active_object(C); /* XXX Is this OK? */
 
      if (ob_dst && ob_dst->data) {
        Mesh *me_dst;
        CustomData *corner_data;
        int num_data, i;
 
        me_dst = static_cast<Mesh *>(ob_dst->data);
        corner_data = &me_dst->corner_data;
        num_data = CustomData_number_of_layers(corner_data, CD_PROP_FLOAT2);
 
        RNA_enum_item_add_separator(&item, &totitem);
 
        for (i = 0; i < num_data; i++) {
          tmp_item.value = i;
          tmp_item.identifier = tmp_item.name = CustomData_get_layer_name(
              corner_data, CD_PROP_FLOAT2, i);
          RNA_enum_item_add(&item, &totitem, &tmp_item);
        }
      }
    }
  }
  else if (STREQ(RNA_property_identifier(prop), "layers_vcol_vert_select_dst") ||
           STREQ(RNA_property_identifier(prop), "layers_vcol_loop_select_dst"))
  {
    int multilayer_index = STREQ(RNA_property_identifier(prop), "layers_vcol_vert_select_dst") ?
                               DT_MULTILAYER_INDEX_VCOL_VERT :
                               DT_MULTILAYER_INDEX_VCOL_LOOP;
 
    /* Only list destination layers if we have a single source! */
    if (dtmd->layers_select_src[multilayer_index] >= 0) {
      Object *ob_dst = CTX_data_active_object(C); /* XXX Is this OK? */
 
      if (ob_dst && ob_dst->data) {
        eCustomDataType types[2] = {CD_PROP_COLOR, CD_PROP_BYTE_COLOR};
 
        Mesh *me_dst = static_cast<Mesh *>(ob_dst->data);
        CustomData *cdata = STREQ(RNA_property_identifier(prop), "layers_vcol_vert_select_dst") ?
                                &me_dst->vert_data :
                                &me_dst->corner_data;
 
        int idx = 0;
        for (int i = 0; i < 2; i++) {
          int num_data = CustomData_number_of_layers(cdata, types[i]);
 
          RNA_enum_item_add_separator(&item, &totitem);
 
          for (int j = 0; j < num_data; j++) {
            tmp_item.value = idx++;
            tmp_item.identifier = tmp_item.name = CustomData_get_layer_name(cdata, types[i], j);
            RNA_enum_item_add(&item, &totitem, &tmp_item);
          }
        }
      }
    }
  }
 
  RNA_enum_item_end(&item, &totitem);
  *r_free = true;
 
  return item;
}
 
static const EnumPropertyItem *rna_DataTransferModifier_mix_mode_itemf(bContext *C,
                                                                       PointerRNA *ptr,
                                                                       PropertyRNA * /*prop*/,
                                                                       bool *r_free)
{
  DataTransferModifierData *dtmd = (DataTransferModifierData *)ptr->data;
  EnumPropertyItem *item = nullptr;
  int totitem = 0;
 
  bool support_advanced_mixing, support_threshold;
 
  if (!C) { /* needed for docs and i18n tools */
    return rna_enum_dt_mix_mode_items;
  }
 
  RNA_enum_items_add_value(&item, &totitem, rna_enum_dt_mix_mode_items, CDT_MIX_TRANSFER);
 
  BKE_object_data_transfer_get_dttypes_capacity(
      dtmd->data_types, &support_advanced_mixing, &support_threshold);
 
  if (support_threshold) {
    RNA_enum_items_add_value(
        &item, &totitem, rna_enum_dt_mix_mode_items, CDT_MIX_REPLACE_ABOVE_THRESHOLD);
    RNA_enum_items_add_value(
        &item, &totitem, rna_enum_dt_mix_mode_items, CDT_MIX_REPLACE_BELOW_THRESHOLD);
  }
 
  if (support_advanced_mixing) {
    RNA_enum_item_add_separator(&item, &totitem);
    RNA_enum_items_add_value(&item, &totitem, rna_enum_dt_mix_mode_items, CDT_MIX_MIX);
    RNA_enum_items_add_value(&item, &totitem, rna_enum_dt_mix_mode_items, CDT_MIX_ADD);
    RNA_enum_items_add_value(&item, &totitem, rna_enum_dt_mix_mode_items, CDT_MIX_SUB);
    RNA_enum_items_add_value(&item, &totitem, rna_enum_dt_mix_mode_items, CDT_MIX_MUL);
  }
 
  RNA_enum_item_end(&item, &totitem);
  *r_free = true;
 
  return item;
}
 
static void rna_CorrectiveSmoothModifier_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  CorrectiveSmoothModifierData *csmd = (CorrectiveSmoothModifierData *)ptr->data;
 
  MEM_SAFE_FREE(csmd->delta_cache.deltas);
 
  rna_Modifier_update(bmain, scene, ptr);
}
 
static void rna_CorrectiveSmoothModifier_rest_source_update(Main *bmain,
                                                            Scene *scene,
                                                            PointerRNA *ptr)
{
  CorrectiveSmoothModifierData *csmd = (CorrectiveSmoothModifierData *)ptr->data;
 
  if (csmd->rest_source != MOD_CORRECTIVESMOOTH_RESTSOURCE_BIND) {
    MEM_SAFE_FREE(csmd->bind_coords);
    csmd->bind_coords_num = 0;
  }
 
  rna_CorrectiveSmoothModifier_update(bmain, scene, ptr);
}
 
static bool rna_CorrectiveSmoothModifier_is_bind_get(PointerRNA *ptr)
{
  CorrectiveSmoothModifierData *csmd = (CorrectiveSmoothModifierData *)ptr->data;
  return (csmd->bind_coords != nullptr);
}
 
static bool rna_SurfaceDeformModifier_is_bound_get(PointerRNA *ptr)
{
  return (((SurfaceDeformModifierData *)ptr->data)->verts != nullptr);
}
 
static bool rna_ParticleInstanceModifier_particle_system_poll(PointerRNA *ptr,
                                                              const PointerRNA value)
{
  ParticleInstanceModifierData *psmd = static_cast<ParticleInstanceModifierData *>(ptr->data);
  ParticleSystem *psys = static_cast<ParticleSystem *>(value.data);
 
  if (!psmd->ob) {
    return false;
  }
 
  /* make sure psys is in the object */
  return BLI_findindex(&psmd->ob->particlesystem, psys) != -1;
}
 
static PointerRNA rna_ParticleInstanceModifier_particle_system_get(PointerRNA *ptr)
{
  ParticleInstanceModifierData *psmd = static_cast<ParticleInstanceModifierData *>(ptr->data);
  ParticleSystem *psys;
 
  if (!psmd->ob) {
    return PointerRNA_NULL;
  }
 
  psys = static_cast<ParticleSystem *>(BLI_findlink(&psmd->ob->particlesystem, psmd->psys - 1));
  PointerRNA rptr = RNA_pointer_create_discrete((ID *)psmd->ob, &RNA_ParticleSystem, psys);
  return rptr;
}
 
static void rna_ParticleInstanceModifier_particle_system_set(PointerRNA *ptr,
                                                             const PointerRNA value,
                                                             ReportList * /*reports*/)
{
  ParticleInstanceModifierData *psmd = static_cast<ParticleInstanceModifierData *>(ptr->data);
 
  if (!psmd->ob) {
    return;
  }
 
  psmd->psys = BLI_findindex(&psmd->ob->particlesystem, value.data) + 1;
  CLAMP_MIN(psmd->psys, 1);
}

static void rna_Modifier_show_expanded_set(PointerRNA *ptr, bool value)
{
  ModifierData *md = static_cast<ModifierData *>(ptr->data);
  SET_FLAG_FROM_TEST(md->ui_expand_flag, value, UI_PANEL_DATA_EXPAND_ROOT);
}

static bool rna_Modifier_show_expanded_get(PointerRNA *ptr)
{
  ModifierData *md = static_cast<ModifierData *>(ptr->data);
  return md->ui_expand_flag & UI_PANEL_DATA_EXPAND_ROOT;
}
 
static bool rna_NodesModifier_node_group_poll(PointerRNA * /*ptr*/, PointerRNA value)
{
  bNodeTree *ntree = static_cast<bNodeTree *>(value.data);
  if (ntree->type != NTREE_GEOMETRY) {
    return false;
  }
  if (!ntree->geometry_node_asset_traits) {
    return false;
  }
  if ((ntree->geometry_node_asset_traits->flag & GEO_NODE_ASSET_MODIFIER) == 0) {
    return false;
  }
  return true;
}
 
static void rna_NodesModifier_node_group_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  Object *object = (Object *)ptr->owner_id;
  NodesModifierData *nmd = static_cast<NodesModifierData *>(ptr->data);
  rna_Modifier_dependency_update(bmain, scene, ptr);
  MOD_nodes_update_interface(object, nmd);
}
 
static blender::nodes::geo_eval_log::GeoTreeLog *get_nodes_modifier_log(NodesModifierData &nmd)
{
  if (!nmd.runtime->eval_log) {
    return nullptr;
  }
  blender::bke::ModifierComputeContext compute_context{nullptr, nmd};
  return &nmd.runtime->eval_log->get_tree_log(compute_context.hash());
}
 
static blender::Span<blender::nodes::geo_eval_log::NodeWarning> get_node_modifier_warnings(
    NodesModifierData &nmd)
{
  if (auto *log = get_nodes_modifier_log(nmd)) {
    log->ensure_node_warnings(nmd);
    return log->all_warnings;
  }
  return {};
}
 
static void rna_NodesModifier_node_warnings_iterator_begin(CollectionPropertyIterator *iter,
                                                           PointerRNA *ptr)
{
  NodesModifierData *nmd = static_cast<NodesModifierData *>(ptr->data);
  iter->internal.count.item = 0;
  iter->valid = !get_node_modifier_warnings(*nmd).is_empty();
}
 
static void rna_NodesModifier_node_warnings_iterator_next(CollectionPropertyIterator *iter)
{
  NodesModifierData *nmd = static_cast<NodesModifierData *>(iter->parent.data);
  iter->internal.count.item++;
  iter->valid = get_node_modifier_warnings(*nmd).size() > iter->internal.count.item;
}
 
static PointerRNA rna_NodesModifier_node_warnings_iterator_get(CollectionPropertyIterator *iter)
{
  NodesModifierData *nmd = static_cast<NodesModifierData *>(iter->parent.data);
  blender::Span warnings = get_node_modifier_warnings(*nmd);
  return RNA_pointer_create_with_parent(
      iter->parent, &RNA_NodesModifierWarning, (void *)&warnings[iter->internal.count.item]);
}
 
static int rna_NodesModifier_node_warnings_length(PointerRNA *ptr)
{
  NodesModifierData *nmd = static_cast<NodesModifierData *>(ptr->data);
  return get_node_modifier_warnings(*nmd).size();
}
 
static void rna_NodesModifierWarning_message_get(PointerRNA *ptr, char *r_value)
{
  const auto *warning = static_cast<const blender::nodes::geo_eval_log::NodeWarning *>(ptr->data);
  strcpy(r_value, warning->message.c_str());
}
 
static int rna_NodesModifierWarning_message_length(PointerRNA *ptr)
{
  const auto *warning = static_cast<const blender::nodes::geo_eval_log::NodeWarning *>(ptr->data);
  return warning->message.size();
}
 
static int rna_NodesModifierWarning_type_get(PointerRNA *ptr)
{
  const auto *warning = static_cast<const blender::nodes::geo_eval_log::NodeWarning *>(ptr->data);
  return int(warning->type);
}
 
static IDProperty **rna_NodesModifier_properties(PointerRNA *ptr)
{
  NodesModifierData *nmd = static_cast<NodesModifierData *>(ptr->data);
  NodesModifierSettings *settings = &nmd->settings;
  return &settings->properties;
}
 
static void rna_Lineart_start_level_set(PointerRNA *ptr, int value)
{
  GreasePencilLineartModifierData *lmd = (GreasePencilLineartModifierData *)ptr->data;
 
  value = std::clamp(value, 0, 128);
  lmd->level_start = value;
  lmd->level_end = std::max(value, int(lmd->level_end));
}
 
static void rna_Lineart_end_level_set(PointerRNA *ptr, int value)
{
  GreasePencilLineartModifierData *lmd = (GreasePencilLineartModifierData *)ptr->data;
 
  value = std::clamp(value, 0, 128);
  lmd->level_end = value;
  lmd->level_start = std::min(value, int(lmd->level_start));
}
 
static void rna_Lineart_thickness_set(PointerRNA *ptr, int value)
{
  GreasePencilLineartModifierData *lmd = reinterpret_cast<GreasePencilLineartModifierData *>(
      ptr->data);
  lmd->thickness_legacy = value;
  lmd->radius = float(value) / blender::bke::greasepencil::LEGACY_RADIUS_CONVERSION_FACTOR;
}
 
static const NodesModifierData *find_nodes_modifier_by_bake(const Object &object,
                                                            const NodesModifierBake &bake)
{
  LISTBASE_FOREACH (const ModifierData *, md, &object.modifiers) {
    if (md->type != eModifierType_Nodes) {
      continue;
    }
    const NodesModifierData *nmd = reinterpret_cast<const NodesModifierData *>(md);
    const blender::Span<NodesModifierBake> bakes{nmd->bakes, nmd->bakes_num};
    if (bakes.contains_ptr(&bake)) {
      return nmd;
    }
  }
  return nullptr;
}
 
static PointerRNA rna_NodesModifierBake_node_get(PointerRNA *ptr)
{
  const Object *ob = reinterpret_cast<Object *>(ptr->owner_id);
  const NodesModifierBake *bake = static_cast<NodesModifierBake *>(ptr->data);
  const NodesModifierData *nmd = find_nodes_modifier_by_bake(*ob, *bake);
  if (!nmd->node_group) {
    return PointerRNA_NULL;
  }
  const bNodeTree *tree;
  const bNode *node = nmd->node_group->find_nested_node(bake->id, &tree);
  if (!node) {
    return PointerRNA_NULL;
  }
  BLI_assert(tree != nullptr);
  return RNA_pointer_create_discrete(
      const_cast<ID *>(&tree->id), &RNA_Node, const_cast<bNode *>(node));
}
 
static StructRNA *rna_NodesModifierBake_data_block_typef(PointerRNA *ptr)
{
  NodesModifierDataBlock *data_block = static_cast<NodesModifierDataBlock *>(ptr->data);
  return ID_code_to_RNA_type(data_block->id_type);
}
 
bool rna_GreasePencilModifier_material_poll(PointerRNA *ptr, PointerRNA value)
{
  Object *ob = reinterpret_cast<Object *>(ptr->owner_id);
  Material *ma = reinterpret_cast<Material *>(value.owner_id);
 
  return BKE_object_material_index_get(ob, ma) != -1;
}
 
/* Write material to a generic target pointer without the final modifier struct. */
static void rna_GreasePencilModifier_material_set(PointerRNA *ptr,
                                                  PointerRNA value,
                                                  ReportList *reports,
                                                  Material **ma_target)
{
  Object *ob = reinterpret_cast<Object *>(ptr->owner_id);
  Material *ma_old = *ma_target;
  Material *ma = reinterpret_cast<Material *>(value.data);
 
  if (ma == nullptr || BKE_object_material_index_get(ob, ma) != -1) {
    id_us_min(&ma_old->id);
    id_us_plus_no_lib(&ma->id);
    if (!ID_IS_LINKED(&ob->id)) {
      id_lib_extern(&ma->id);
    }
    *ma_target = ma;
  }
  else {
    BKE_reportf(
        reports,
        RPT_ERROR,
        "Cannot assign material '%s', it has to be used by the Grease Pencil object already",
        ma->id.name);
  }
}
 
#  define RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(_type) \
    static void rna_##_type##Modifier_material_filter_set( \
        PointerRNA *ptr, PointerRNA value, ReportList *reports) \
    { \
      _type##ModifierData *tmd = static_cast<_type##ModifierData *>(ptr->data); \
      rna_GreasePencilModifier_material_set(ptr, value, reports, &tmd->influence.material); \
    }
 
#  define RNA_MOD_GREASE_PENCIL_VERTEX_GROUP_SET(_type) \
    static void rna_##_type##Modifier_vertex_group_name_set(PointerRNA *ptr, const char *value) \
    { \
      _type##ModifierData *tmd = static_cast<_type##ModifierData *>(ptr->data); \
      rna_object_vgroup_name_set(ptr, \
                                 value, \
                                 tmd->influence.vertex_group_name, \
                                 sizeof(tmd->influence.vertex_group_name)); \
    }
 
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilColor);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilMirror);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilOffset);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilOpacity);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilSubdiv);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilTint);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilSmooth);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilNoise);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilThick);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilLattice);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilDash);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilMulti);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilLength);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilWeightAngle);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilArray);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilWeightProximity);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilHook);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilSimplify);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilEnvelope);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilOutline);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilShrinkwrap);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilBuild);
RNA_MOD_GREASE_PENCIL_MATERIAL_FILTER_SET(GreasePencilTexture);
 
RNA_MOD_GREASE_PENCIL_VERTEX_GROUP_SET(GreasePencilOffset);
RNA_MOD_GREASE_PENCIL_VERTEX_GROUP_SET(GreasePencilOpacity);
RNA_MOD_GREASE_PENCIL_VERTEX_GROUP_SET(GreasePencilTint);
RNA_MOD_GREASE_PENCIL_VERTEX_GROUP_SET(GreasePencilSmooth);
RNA_MOD_GREASE_PENCIL_VERTEX_GROUP_SET(GreasePencilNoise);
RNA_MOD_GREASE_PENCIL_VERTEX_GROUP_SET(GreasePencilThick);
RNA_MOD_GREASE_PENCIL_VERTEX_GROUP_SET(GreasePencilLattice);
RNA_MOD_GREASE_PENCIL_VERTEX_GROUP_SET(GreasePencilWeightAngle);
RNA_MOD_GREASE_PENCIL_VERTEX_GROUP_SET(GreasePencilWeightProximity);
RNA_MOD_GREASE_PENCIL_VERTEX_GROUP_SET(GreasePencilHook);
RNA_MOD_GREASE_PENCIL_VERTEX_GROUP_SET(GreasePencilArmature);
RNA_MOD_GREASE_PENCIL_VERTEX_GROUP_SET(GreasePencilSimplify);
RNA_MOD_GREASE_PENCIL_VERTEX_GROUP_SET(GreasePencilEnvelope);
RNA_MOD_GREASE_PENCIL_VERTEX_GROUP_SET(GreasePencilShrinkwrap);
 
static void rna_GreasePencilLineartModifier_material_set(PointerRNA *ptr,
                                                         PointerRNA value,
                                                         ReportList *reports)
{
  GreasePencilLineartModifierData *lmd = reinterpret_cast<GreasePencilLineartModifierData *>(
      ptr->data);
  Material **ma_target = &lmd->target_material;
 
  rna_GreasePencilModifier_material_set(ptr, value, reports, ma_target);
}
 
static void rna_GreasePencilOpacityModifier_opacity_factor_range(
    PointerRNA *ptr, float *min, float *max, float *softmin, float *softmax)
{
  GreasePencilOpacityModifierData *omd = static_cast<GreasePencilOpacityModifierData *>(ptr->data);
 
  *min = 0.0f;
  *softmin = 0.0f;
  *softmax = (omd->flag & MOD_GREASE_PENCIL_OPACITY_USE_UNIFORM_OPACITY) ? 1.0f : 2.0f;
  *max = *softmax;
}
 
static void rna_GreasePencilOpacityModifier_opacity_factor_max_set(PointerRNA *ptr, float value)
{
  GreasePencilOpacityModifierData *omd = static_cast<GreasePencilOpacityModifierData *>(ptr->data);
 
  omd->color_factor = (omd->flag & MOD_GREASE_PENCIL_OPACITY_USE_UNIFORM_OPACITY) ?
                          std::min(value, 1.0f) :
                          value;
}
 
static const GreasePencilDashModifierData *find_grease_pencil_dash_modifier_of_segment(
    const Object &ob, const GreasePencilDashModifierSegment &dash_segment)
{
  LISTBASE_FOREACH (const ModifierData *, md, &ob.modifiers) {
    if (md->type == eModifierType_GreasePencilDash) {
      const auto *dmd = reinterpret_cast<const GreasePencilDashModifierData *>(md);
      if (dmd->segments().contains_ptr(&dash_segment)) {
        return dmd;
      }
    }
  }
  return nullptr;
}
 
static std::optional<std::string> rna_GreasePencilDashModifierSegment_path(const PointerRNA *ptr)
 
{
  const Object *ob = reinterpret_cast<Object *>(ptr->owner_id);
  const auto *dash_segment = static_cast<GreasePencilDashModifierSegment *>(ptr->data);
  const GreasePencilDashModifierData *dmd = find_grease_pencil_dash_modifier_of_segment(
      *ob, *dash_segment);
  BLI_assert(dmd != nullptr);
 
  char name_esc[sizeof(dmd->modifier.name) * 2];
  BLI_str_escape(name_esc, dmd->modifier.name, sizeof(name_esc));
 
  char ds_name_esc[sizeof(dash_segment->name) * 2];
  BLI_str_escape(ds_name_esc, dash_segment->name, sizeof(ds_name_esc));
 
  return fmt::format("modifiers[\"{}\"].segments[\"{}\"]", name_esc, ds_name_esc);
}
 
static void rna_GreasePencilDashModifierSegment_name_set(PointerRNA *ptr, const char *value)
{
  const Object *ob = reinterpret_cast<Object *>(ptr->owner_id);
  auto *dash_segment = static_cast<GreasePencilDashModifierSegment *>(ptr->data);
  const GreasePencilDashModifierData *dmd = find_grease_pencil_dash_modifier_of_segment(
      *ob, *dash_segment);
  BLI_assert(dmd != nullptr);
 
  const std::string oldname = dash_segment->name;
  STRNCPY_UTF8(dash_segment->name, value);
  BLI_uniquename_cb(
      [dmd, dash_segment](const blender::StringRef name) {
        for (const GreasePencilDashModifierSegment &ds : dmd->segments()) {
          if (&ds != dash_segment && ds.name == name) {
            return true;
          }
        }
        return false;
      },
      '.',
      dash_segment->name);
 
  /* Fix all the animation data which may link to this. */
  char name_esc[sizeof(dmd->modifier.name) * 2];
  BLI_str_escape(name_esc, dmd->modifier.name, sizeof(name_esc));
  char rna_path_prefix[36 + sizeof(name_esc) + 1];
  SNPRINTF(rna_path_prefix, "modifiers[\"%s\"].segments", name_esc);
  BKE_animdata_fix_paths_rename_all(nullptr, rna_path_prefix, oldname.c_str(), dash_segment->name);
}
 
static void rna_GreasePencilDashModifier_segments_begin(CollectionPropertyIterator *iter,
                                                        PointerRNA *ptr)
{
  auto *dmd = static_cast<GreasePencilDashModifierData *>(ptr->data);
  rna_iterator_array_begin(iter,
                           ptr,
                           dmd->segments_array,
                           sizeof(GreasePencilDashModifierSegment),
                           dmd->segments_num,
                           false,
                           nullptr);
}
 
const EnumPropertyItem *grease_pencil_build_time_mode_filter(bContext * /*C*/,
                                                             PointerRNA *ptr,
                                                             PropertyRNA * /*prop*/,
                                                             bool *r_free)
{
 
  auto *md = static_cast<ModifierData *>(ptr->data);
  auto *mmd = reinterpret_cast<BuildGpencilModifierData *>(md);
  const bool is_concurrent = (mmd->mode == MOD_GREASE_PENCIL_BUILD_MODE_CONCURRENT);
 
  EnumPropertyItem *item_list = nullptr;
  int totitem = 0;
 
  for (const EnumPropertyItem *item = grease_pencil_build_time_mode_items;
       item->identifier != nullptr;
       item++)
  {
    if (is_concurrent && (item->value == MOD_GREASE_PENCIL_BUILD_TIMEMODE_DRAWSPEED)) {
      continue;
    }
    RNA_enum_item_add(&item_list, &totitem, item);
  }
 
  RNA_enum_item_end(&item_list, &totitem);
  *r_free = true;
 
  return item_list;
}
 
static const GreasePencilTimeModifierData *find_grease_pencil_time_modifier_of_segment(
    const Object &ob, const GreasePencilTimeModifierSegment &time_segment)
{
  LISTBASE_FOREACH (const ModifierData *, md, &ob.modifiers) {
    if (md->type == eModifierType_GreasePencilTime) {
      const auto *tmd = reinterpret_cast<const GreasePencilTimeModifierData *>(md);
      if (tmd->segments().contains_ptr(&time_segment)) {
        return tmd;
      }
    }
  }
  return nullptr;
}
 
static std::optional<std::string> rna_GreasePencilTimeModifierSegment_path(const PointerRNA *ptr)
 
{
  const Object *ob = reinterpret_cast<Object *>(ptr->owner_id);
  const auto *segment = static_cast<GreasePencilTimeModifierSegment *>(ptr->data);
  const GreasePencilTimeModifierData *tmd = find_grease_pencil_time_modifier_of_segment(*ob,
                                                                                        *segment);
  BLI_assert(tmd != nullptr);
 
  char name_esc[sizeof(tmd->modifier.name) * 2];
  BLI_str_escape(name_esc, tmd->modifier.name, sizeof(name_esc));
 
  char ds_name_esc[sizeof(segment->name) * 2];
  BLI_str_escape(ds_name_esc, segment->name, sizeof(ds_name_esc));
 
  return fmt::format("modifiers[\"{}\"].segments[\"{}\"]", name_esc, ds_name_esc);
}
 
static void rna_GreasePencilTimeModifierSegment_name_set(PointerRNA *ptr, const char *value)
{
  const Object *ob = reinterpret_cast<Object *>(ptr->owner_id);
  auto *segment = static_cast<GreasePencilTimeModifierSegment *>(ptr->data);
  const GreasePencilTimeModifierData *tmd = find_grease_pencil_time_modifier_of_segment(*ob,
                                                                                        *segment);
  BLI_assert(tmd != nullptr);
 
  const std::string oldname = segment->name;
  STRNCPY_UTF8(segment->name, value);
  BLI_uniquename_cb(
      [tmd, segment](const blender::StringRef name) {
        for (const GreasePencilTimeModifierSegment &ds : tmd->segments()) {
          if (&ds != segment && ds.name == name) {
            return true;
          }
        }
        return false;
      },
      '.',
      segment->name);
 
  /* Fix all the animation data which may link to this. */
  char name_esc[sizeof(tmd->modifier.name) * 2];
  BLI_str_escape(name_esc, tmd->modifier.name, sizeof(name_esc));
  char rna_path_prefix[36 + sizeof(name_esc) + 1];
  SNPRINTF(rna_path_prefix, "modifiers[\"%s\"].segments", name_esc);
  BKE_animdata_fix_paths_rename_all(nullptr, rna_path_prefix, oldname.c_str(), segment->name);
}
 
static void rna_GreasePencilTimeModifier_segments_begin(CollectionPropertyIterator *iter,
                                                        PointerRNA *ptr)
{
  auto *tmd = static_cast<GreasePencilTimeModifierData *>(ptr->data);
  rna_iterator_array_begin(iter,
                           ptr,
                           tmd->segments_array,
                           sizeof(GreasePencilTimeModifierSegment),
                           tmd->segments_num,
                           false,
                           nullptr);
}
 
static void rna_GreasePencilTimeModifier_start_frame_set(PointerRNA *ptr, int value)
{
  auto *tmd = static_cast<GreasePencilTimeModifierData *>(ptr->data);
  CLAMP(value, MINFRAME, MAXFRAME);
  tmd->sfra = value;
 
  if (tmd->sfra >= tmd->efra) {
    tmd->efra = std::min(tmd->sfra, MAXFRAME);
  }
}
 
static void rna_GreasePencilTimeModifier_end_frame_set(PointerRNA *ptr, int value)
{
  auto *tmd = static_cast<GreasePencilTimeModifierData *>(ptr->data);
  CLAMP(value, MINFRAME, MAXFRAME);
  tmd->efra = value;
 
  if (tmd->sfra >= tmd->efra) {
    tmd->sfra = std::max(tmd->efra, MINFRAME);
  }
}
 
static void rna_GreasePencilOutlineModifier_outline_material_set(PointerRNA *ptr,
                                                                 PointerRNA value,
                                                                 ReportList *reports)
{
  GreasePencilOutlineModifierData *omd = static_cast<GreasePencilOutlineModifierData *>(ptr->data);
  rna_GreasePencilModifier_material_set(ptr, value, reports, &omd->outline_material);
}
 
static int rna_GreasePencilShrinkwrapModifier_face_cull_get(PointerRNA *ptr)
{
  const GreasePencilShrinkwrapModifierData *smd =
      static_cast<GreasePencilShrinkwrapModifierData *>(ptr->data);
  return smd->shrink_opts & MOD_SHRINKWRAP_CULL_TARGET_MASK;
}
 
static void rna_GreasePencilShrinkwrapModifier_face_cull_set(PointerRNA *ptr, int value)
{
  GreasePencilShrinkwrapModifierData *smd = static_cast<GreasePencilShrinkwrapModifierData *>(
      ptr->data);
  smd->shrink_opts = (smd->shrink_opts & ~MOD_SHRINKWRAP_CULL_TARGET_MASK) | value;
}
 
static void rna_VertexWeightProximityModifier_proximity_geometry_set(PointerRNA *ptr, int value)
{
  WeightVGProximityModifierData *wpmd = reinterpret_cast<WeightVGProximityModifierData *>(
      ptr->data);
 
  /* The geometry mode shares the `proximity_flags` variable with a few other boolean properties,
   * setting the mode value this way ensures only relevant bits are changed. */
  wpmd->proximity_flags = (wpmd->proximity_flags & (~MOD_WVG_PROXIMITY_GEOM_ALL)) |
                          (value & MOD_WVG_PROXIMITY_GEOM_ALL);
}
 
#else
 
static void rna_def_modifier_panel_open_prop(StructRNA *srna, const char *identifier, const int id)
{
  BLI_assert(id >= 0);
  BLI_assert(id < sizeof(ModifierData::layout_panel_open_flag) * 8);
 
  PropertyRNA *prop;
  prop = RNA_def_property(srna, identifier, PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_flag(prop, PROP_NO_DEG_UPDATE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "modifier.layout_panel_open_flag", (int64_t(1) << id));
  RNA_def_property_update(prop, NC_OBJECT | ND_MODIFIER, nullptr);
}
 
static void rna_def_property_subdivision_common(StructRNA *srna)
{
  PropertyRNA *prop;
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "uv_smooth", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "uv_smooth");
  RNA_def_property_enum_items(prop, rna_enum_subdivision_uv_smooth_items);
  RNA_def_property_ui_text(prop, "UV Smooth", "Controls how smoothing is applied to UVs");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "quality", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "quality");
  RNA_def_property_range(prop, 1, 10);
  RNA_def_property_ui_range(prop, 1, 6, 1, -1);
  RNA_def_property_ui_text(
      prop, "Quality", "Accuracy of vertex positions, lower value is faster but less precise");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "boundary_smooth", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "boundary_smooth");
  RNA_def_property_enum_items(prop, rna_enum_subdivision_boundary_smooth_items);
  RNA_def_property_ui_text(prop, "Boundary Smooth", "Controls how open boundaries are smoothed");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_subsurf(BlenderRNA *brna)
{
  static const EnumPropertyItem prop_subdivision_type_items[] = {
      {SUBSURF_TYPE_CATMULL_CLARK,
       "CATMULL_CLARK",
       0,
       "Catmull-Clark",
       "Create a smooth curved surface using the Catmull-Clark subdivision scheme"},
      {SUBSURF_TYPE_SIMPLE, "SIMPLE", 0, "Simple", "Subdivide faces without changing shape"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "SubsurfModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Subdivision Surface Modifier", "Subdivision surface modifier");
  RNA_def_struct_sdna(srna, "SubsurfModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_SUBSURF);
 
  rna_def_property_subdivision_common(srna);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "subdivision_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "subdivType");
  RNA_def_property_enum_items(prop, prop_subdivision_type_items);
  RNA_def_property_ui_text(prop, "Subdivision Type", "Select type of subdivision algorithm");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* see CCGSUBSURF_LEVEL_MAX for max limit */
  prop = RNA_def_property(srna, "levels", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "levels");
  RNA_def_property_range(prop, 0, 11);
  RNA_def_property_ui_range(prop, 0, 6, 1, -1);
  RNA_def_property_ui_text(prop, "Levels", "Number of subdivisions to perform in the 3D viewport");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "render_levels", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "renderLevels");
  RNA_def_property_range(prop, 0, 11);
  RNA_def_property_ui_range(prop, 0, 6, 1, -1);
  RNA_def_property_ui_text(
      prop, "Render Levels", "Number of subdivisions to perform when rendering");
 
  prop = RNA_def_property(srna, "show_only_control_edges", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", eSubsurfModifierFlag_ControlEdges);
  RNA_def_property_ui_text(prop, "Optimal Display", "Skip displaying interior subdivided edges");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_creases", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", eSubsurfModifierFlag_UseCrease);
  RNA_def_property_ui_text(
      prop, "Use Creases", "Use mesh crease information to sharpen edges or corners");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_custom_normals", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", eSubsurfModifierFlag_UseCustomNormals);
  RNA_def_property_ui_text(
      prop, "Use Custom Normals", "Interpolates existing custom normals to resulting mesh");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_limit_surface", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(
      prop, nullptr, "flags", eSubsurfModifierFlag_UseRecursiveSubdivision);
  RNA_def_property_ui_text(prop,
                           "Use Limit Surface",
                           "Place vertices at the surface that would be produced with infinite "
                           "levels of subdivision (smoothest possible shape)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  rna_def_modifier_panel_open_prop(srna, "open_adaptive_subdivision_panel", 0);
  rna_def_modifier_panel_open_prop(srna, "open_advanced_panel", 1);
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_generic_map_info(StructRNA *srna)
{
  static const EnumPropertyItem prop_texture_coordinates_items[] = {
      {MOD_DISP_MAP_LOCAL,
       "LOCAL",
       0,
       "Local",
       "Use the local coordinate system for the texture coordinates"},
      {MOD_DISP_MAP_GLOBAL,
       "GLOBAL",
       0,
       "Global",
       "Use the global coordinate system for the texture coordinates"},
      {MOD_DISP_MAP_OBJECT,
       "OBJECT",
       0,
       "Object",
       "Use the linked object's local coordinate system for the texture coordinates"},
      {MOD_DISP_MAP_UV, "UV", 0, "UV", "Use UV coordinates for the texture coordinates"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  PropertyRNA *prop;
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "texture", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Texture", "");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "texture_coords", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "texmapping");
  RNA_def_property_enum_items(prop, prop_texture_coordinates_items);
  RNA_def_property_ui_text(prop, "Texture Coordinates", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "uv_layer", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "uvlayer_name");
  RNA_def_property_ui_text(prop, "UV Map", "UV map name");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_MappingInfoModifier_uvlayer_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "texture_coords_object", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "map_object");
  RNA_def_property_ui_text(
      prop, "Texture Coordinate Object", "Object to set the texture coordinates");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "texture_coords_bone", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "map_bone");
  RNA_def_property_ui_text(prop, "Texture Coordinate Bone", "Bone to set the texture coordinates");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_warp(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "WarpModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Warp Modifier", "Warp modifier");
  RNA_def_struct_sdna(srna, "WarpModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_WARP);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "object_from", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "object_from");
  RNA_def_property_ui_text(prop, "Object From", "Object to transform from");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "bone_from", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "bone_from");
  RNA_def_property_ui_text(prop, "Bone From", "Bone to transform from");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "object_to", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "object_to");
  RNA_def_property_ui_text(prop, "Object To", "Object to transform to");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "bone_to", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "bone_to");
  RNA_def_property_ui_text(prop, "Bone To", "Bone defining offset");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "strength", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -100, 100, 10, 2);
  RNA_def_property_ui_text(prop, "Strength", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "falloff_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, modifier_warp_falloff_items);
  RNA_def_property_ui_text(prop, "Falloff Type", "");
  RNA_def_property_translation_context(prop,
                                       BLT_I18NCONTEXT_ID_CURVE_LEGACY); /* Abusing id_curve :/ */
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "falloff_radius", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_ui_text(prop, "Radius", "Radius to apply");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "falloff_curve", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "curfalloff");
  RNA_def_property_ui_text(prop, "Falloff Curve", "Custom falloff curve");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_volume_preserve", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WARP_VOLUME_PRESERVE);
  RNA_def_property_ui_text(prop, "Preserve Volume", "Preserve volume when rotations are used");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name for modulating the deform");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_WarpModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WARP_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
 
  rna_def_modifier_generic_map_info(srna);
}
 
static void rna_def_modifier_multires(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "MultiresModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Multires Modifier", "Multiresolution mesh modifier");
  RNA_def_struct_sdna(srna, "MultiresModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_MULTIRES);
 
  RNA_define_lib_overridable(true);
 
  rna_def_property_subdivision_common(srna);
 
  prop = RNA_def_property(srna, "levels", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "lvl");
  RNA_def_property_ui_text(prop, "Levels", "Number of subdivisions to use in the viewport");
  RNA_def_property_int_funcs(prop, nullptr, nullptr, "rna_MultiresModifier_level_range");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "sculpt_levels", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "sculptlvl");
  RNA_def_property_ui_text(prop, "Sculpt Levels", "Number of subdivisions to use in sculpt mode");
  RNA_def_property_int_funcs(prop, nullptr, nullptr, "rna_MultiresModifier_level_range");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "render_levels", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "renderlvl");
  RNA_def_property_ui_text(prop, "Render Levels", "The subdivision level visible at render time");
  RNA_def_property_int_funcs(prop, nullptr, nullptr, "rna_MultiresModifier_level_range");
 
  prop = RNA_def_property(srna, "total_levels", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "totlvl");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(
      prop, "Total Levels", "Number of subdivisions for which displacements are stored");
 
  prop = RNA_def_property(srna, "is_external", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_boolean_funcs(prop, "rna_MultiresModifier_external_get", nullptr);
  RNA_def_property_ui_text(
      prop, "External", "Store multires displacements outside the .blend file, to save memory");
 
  prop = RNA_def_property(srna, "filepath", PROP_STRING, PROP_FILEPATH);
  RNA_def_property_string_funcs(prop,
                                "rna_MultiresModifier_filepath_get",
                                "rna_MultiresModifier_filepath_length",
                                "rna_MultiresModifier_filepath_set");
  RNA_def_property_ui_text(prop, "File Path", "Path to external displacements file");
  RNA_def_property_flag(prop, PROP_PATH_SUPPORTS_BLEND_RELATIVE);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "show_only_control_edges", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", eMultiresModifierFlag_ControlEdges);
  RNA_def_property_ui_text(
      prop, "Optimal Display", "Skip drawing/rendering of interior subdivided edges");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_creases", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", eMultiresModifierFlag_UseCrease);
  RNA_def_property_ui_text(
      prop, "Use Creases", "Use mesh crease information to sharpen edges or corners");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_custom_normals", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", eMultiresModifierFlag_UseCustomNormals);
  RNA_def_property_ui_text(
      prop, "Use Custom Normals", "Interpolates existing custom normals to resulting mesh");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_sculpt_base_mesh", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", eMultiresModifierFlag_UseSculptBaseMesh);
  RNA_def_property_ui_text(prop,
                           "Sculpt Base Mesh",
                           "Make Sculpt Mode tools deform the base mesh while previewing the "
                           "displacement of higher subdivision levels");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_lattice(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "LatticeModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Lattice Modifier", "Lattice deformation modifier");
  RNA_def_struct_sdna(srna, "LatticeModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_LATTICE);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Object", "Lattice object to deform with");
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_LatticeModifier_object_set", nullptr, "rna_Lattice_object_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "name");
  RNA_def_property_ui_text(
      prop,
      "Vertex Group",
      "Name of Vertex Group which determines influence of modifier per point");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_LatticeModifier_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_LATTICE_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "strength", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 1, 10, 2);
  RNA_def_property_ui_text(prop, "Strength", "Strength of modifier effect");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_curve(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem prop_deform_axis_items[] = {
      {MOD_CURVE_POSX, "POS_X", 0, "X", ""},
      {MOD_CURVE_POSY, "POS_Y", 0, "Y", ""},
      {MOD_CURVE_POSZ, "POS_Z", 0, "Z", ""},
      {MOD_CURVE_NEGX, "NEG_X", 0, "-X", ""},
      {MOD_CURVE_NEGY, "NEG_Y", 0, "-Y", ""},
      {MOD_CURVE_NEGZ, "NEG_Z", 0, "-Z", ""},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "CurveModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Curve Modifier", "Curve deformation modifier");
  RNA_def_struct_sdna(srna, "CurveModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_CURVE);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Object", "Curve object to deform with");
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_CurveModifier_object_set", nullptr, "rna_Curve_object_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_CurveModifier_dependency_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "name");
  RNA_def_property_ui_text(
      prop,
      "Vertex Group",
      "Name of Vertex Group which determines influence of modifier per point");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_CurveModifier_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_CURVE_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "deform_axis", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "defaxis");
  RNA_def_property_enum_items(prop, prop_deform_axis_items);
  RNA_def_property_ui_text(prop, "Deform Axis", "The axis that the curve deforms along");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_build(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "BuildModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Build Modifier", "Build effect modifier");
  RNA_def_struct_sdna(srna, "BuildModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_BUILD);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "frame_start", PROP_FLOAT, PROP_TIME);
  RNA_def_property_float_sdna(prop, nullptr, "start");
  RNA_def_property_range(prop, MINAFRAMEF, MAXFRAMEF);
  RNA_def_property_ui_text(prop, "Start Frame", "Start frame of the effect");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "frame_duration", PROP_FLOAT, PROP_TIME);
  RNA_def_property_float_sdna(prop, nullptr, "length");
  RNA_def_property_range(prop, 1, MAXFRAMEF);
  RNA_def_property_ui_text(prop, "Length", "Total time the build effect requires");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_reverse", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_BUILD_FLAG_REVERSE);
  RNA_def_property_ui_text(prop, "Reversed", "Deconstruct the mesh instead of building it");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_random_order", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_BUILD_FLAG_RANDOMIZE);
  RNA_def_property_ui_text(prop, "Randomize", "Randomize the faces or edges during build");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "seed", PROP_INT, PROP_NONE);
  RNA_def_property_range(prop, 1, MAXFRAMEF);
  RNA_def_property_ui_text(prop, "Seed", "Seed for random if used");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_mirror(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "MirrorModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Mirror Modifier", "Mirroring modifier");
  RNA_def_struct_sdna(srna, "MirrorModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_MIRROR);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "use_axis", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_bitset_array_sdna(prop, nullptr, "flag", MOD_MIR_AXIS_X, 3);
  RNA_def_property_ui_text(prop, "Mirror Axis", "Enable axis mirror");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_bisect_axis", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_bitset_array_sdna(prop, nullptr, "flag", MOD_MIR_BISECT_AXIS_X, 3);
  RNA_def_property_ui_text(prop, "Bisect Axis", "Cuts the mesh across the mirror plane");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_bisect_flip_axis", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_bitset_array_sdna(prop, nullptr, "flag", MOD_MIR_BISECT_FLIP_AXIS_X, 3);
  RNA_def_property_ui_text(prop, "Bisect Flip Axis", "Flips the direction of the slice");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_clip", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_MIR_CLIPPING);
  RNA_def_property_ui_text(
      prop, "Clip", "Prevent vertices from going through the mirror during transform");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_mirror_vertex_groups", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_MIR_VGROUP);
  RNA_def_property_ui_text(prop, "Mirror Vertex Groups", "Mirror vertex groups (e.g. .R->.L)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_mirror_merge", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, nullptr, "flag", MOD_MIR_NO_MERGE);
  RNA_def_property_ui_text(prop, "Merge Vertices", "Merge vertices within the merge threshold");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_mirror_u", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_MIR_MIRROR_U);
  RNA_def_property_ui_text(
      prop, "Mirror U", "Mirror the U texture coordinate around the flip offset point");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_mirror_v", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_MIR_MIRROR_V);
  RNA_def_property_ui_text(
      prop, "Mirror V", "Mirror the V texture coordinate around the flip offset point");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_mirror_udim", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_MIR_MIRROR_UDIM);
  RNA_def_property_ui_text(
      prop, "Mirror UDIM", "Mirror the texture coordinate around each tile center");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mirror_offset_u", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "uv_offset[0]");
  RNA_def_property_range(prop, -1, 1);
  RNA_def_property_ui_range(prop, -1, 1, 2, 4);
  RNA_def_property_ui_text(
      prop,
      "Flip U Offset",
      "Amount to offset mirrored UVs flipping point from the 0.5 on the U axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mirror_offset_v", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "uv_offset[1]");
  RNA_def_property_range(prop, -1, 1);
  RNA_def_property_ui_range(prop, -1, 1, 2, 4);
  RNA_def_property_ui_text(
      prop,
      "Flip V Offset",
      "Amount to offset mirrored UVs flipping point from the 0.5 point on the V axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "offset_u", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "uv_offset_copy[0]");
  RNA_def_property_range(prop, -10000.0f, 10000.0f);
  RNA_def_property_ui_range(prop, -1, 1, 2, 4);
  RNA_def_property_ui_text(prop, "U Offset", "Mirrored UV offset on the U axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "offset_v", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "uv_offset_copy[1]");
  RNA_def_property_range(prop, -10000.0f, 10000.0f);
  RNA_def_property_ui_range(prop, -1, 1, 2, 4);
  RNA_def_property_ui_text(prop, "V Offset", "Mirrored UV offset on the V axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "merge_threshold", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "tolerance");
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 1, 0.01, 6);
  RNA_def_property_ui_text(
      prop, "Merge Distance", "Distance within which mirrored vertices are merged");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "bisect_threshold", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "bisect_threshold");
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 1, 0.01, 6);
  RNA_def_property_ui_text(
      prop, "Bisect Distance", "Distance from the bisect plane within which vertices are removed");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mirror_object", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "mirror_ob");
  RNA_def_property_ui_text(prop, "Mirror Object", "Object to use as mirror");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_decimate(BlenderRNA *brna)
{
  static const EnumPropertyItem modifier_decim_mode_items[] = {
      {MOD_DECIM_MODE_COLLAPSE, "COLLAPSE", 0, "Collapse", "Use edge collapsing"},
      {MOD_DECIM_MODE_UNSUBDIV, "UNSUBDIV", 0, "Un-Subdivide", "Use un-subdivide face reduction"},
      {MOD_DECIM_MODE_DISSOLVE,
       "DISSOLVE",
       0,
       "Planar",
       "Dissolve geometry to form planar polygons"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  /* NOTE: keep in sync with operator `MESH_OT_decimate`. */
 
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "DecimateModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Decimate Modifier", "Decimation modifier");
  RNA_def_struct_sdna(srna, "DecimateModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_DECIM);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "decimate_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "mode");
  RNA_def_property_enum_items(prop, modifier_decim_mode_items);
  RNA_def_property_ui_text(prop, "Mode", "");
  RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_MESH);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* (mode == MOD_DECIM_MODE_COLLAPSE) */
  prop = RNA_def_property(srna, "ratio", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "percent");
  RNA_def_property_range(prop, 0, 1);
  RNA_def_property_ui_range(prop, 0, 1, 1, 4);
  RNA_def_property_ui_text(prop, "Ratio", "Ratio of triangles to reduce to (collapse only)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* (mode == MOD_DECIM_MODE_UNSUBDIV) */
  prop = RNA_def_property(srna, "iterations", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "iter");
  RNA_def_property_range(prop, 0, SHRT_MAX);
  RNA_def_property_ui_range(prop, 0, 100, 1, -1);
  RNA_def_property_ui_text(
      prop, "Iterations", "Number of times reduce the geometry (unsubdivide only)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* (mode == MOD_DECIM_MODE_DISSOLVE) */
  prop = RNA_def_property(srna, "angle_limit", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, nullptr, "angle");
  RNA_def_property_range(prop, 0, DEG2RAD(180));
  RNA_def_property_ui_range(prop, 0, DEG2RAD(180), 10, 4);
  RNA_def_property_ui_text(prop, "Angle Limit", "Only dissolve angles below this (planar only)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* (mode == MOD_DECIM_MODE_COLLAPSE) */
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name (collapse only)");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_DecimateModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_DECIM_FLAG_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence (collapse only)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_collapse_triangulate", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_DECIM_FLAG_TRIANGULATE);
  RNA_def_property_ui_text(
      prop, "Triangulate", "Keep triangulated faces resulting from decimation (collapse only)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_symmetry", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_DECIM_FLAG_SYMMETRY);
  RNA_def_property_ui_text(prop, "Symmetry", "Maintain symmetry on an axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "symmetry_axis", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "symmetry_axis");
  RNA_def_property_enum_items(prop, rna_enum_axis_xyz_items);
  RNA_def_property_ui_text(prop, "Axis", "Axis of symmetry");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group_factor", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "defgrp_factor");
  RNA_def_property_range(prop, 0, 1000);
  RNA_def_property_ui_range(prop, 0, 10, 1, 4);
  RNA_def_property_ui_text(prop, "Factor", "Vertex group strength");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
  /* end collapse-only option */
 
  /* (mode == MOD_DECIM_MODE_DISSOLVE) */
  prop = RNA_def_property(srna, "use_dissolve_boundaries", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_DECIM_FLAG_ALL_BOUNDARY_VERTS);
  RNA_def_property_ui_text(
      prop, "All Boundaries", "Dissolve all vertices in between face boundaries (planar only)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "delimit", PROP_ENUM, PROP_NONE);
  RNA_def_property_flag(prop, PROP_ENUM_FLAG); /* important to run before default set */
  RNA_def_property_enum_items(prop, rna_enum_mesh_delimit_mode_items);
  RNA_def_property_ui_text(prop, "Delimit", "Limit merging geometry");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* end dissolve-only option */
 
  /* all modes use this */
  prop = RNA_def_property(srna, "face_count", PROP_INT, PROP_NONE);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(
      prop, "Face Count", "The current number of faces in the decimated mesh");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_wave(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "WaveModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Wave Modifier", "Wave effect modifier");
  RNA_def_struct_sdna(srna, "WaveModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_WAVE);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "use_x", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WAVE_X);
  RNA_def_property_ui_text(prop, "X", "X axis motion");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_y", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WAVE_Y);
  RNA_def_property_ui_text(prop, "Y", "Y axis motion");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_cyclic", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WAVE_CYCL);
  RNA_def_property_ui_text(prop, "Cyclic", "Cyclic wave effect");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_normal", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WAVE_NORM);
  RNA_def_property_ui_text(prop, "Normals", "Displace along normals");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_normal_x", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WAVE_NORM_X);
  RNA_def_property_ui_text(prop, "X Normal", "Enable displacement along the X normal");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_normal_y", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WAVE_NORM_Y);
  RNA_def_property_ui_text(prop, "Y Normal", "Enable displacement along the Y normal");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_normal_z", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WAVE_NORM_Z);
  RNA_def_property_ui_text(prop, "Z Normal", "Enable displacement along the Z normal");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "time_offset", PROP_FLOAT, PROP_TIME);
  RNA_def_property_float_sdna(prop, nullptr, "timeoffs");
  RNA_def_property_range(prop, MINAFRAMEF, MAXFRAMEF);
  RNA_def_property_ui_text(
      prop,
      "Time Offset",
      "Either the starting frame (for positive speed) or ending frame (for negative speed)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "lifetime", PROP_FLOAT, PROP_TIME);
  RNA_def_property_float_sdna(prop, nullptr, "lifetime");
  RNA_def_property_range(prop, MINAFRAMEF, MAXFRAMEF);
  RNA_def_property_ui_text(
      prop, "Lifetime", "Lifetime of the wave in frames, zero means infinite");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "damping_time", PROP_FLOAT, PROP_TIME);
  RNA_def_property_float_sdna(prop, nullptr, "damp");
  RNA_def_property_range(prop, MINAFRAMEF, MAXFRAMEF);
  RNA_def_property_ui_text(
      prop, "Damping Time", "Number of frames in which the wave damps out after it dies");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "falloff_radius", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "falloff");
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 100, 100, 2);
  RNA_def_property_ui_text(prop, "Falloff Radius", "Distance after which it fades out");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "start_position_x", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "startx");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -100, 100, 100, 2);
  RNA_def_property_ui_text(prop, "Start Position X", "X coordinate of the start position");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "start_position_y", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "starty");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -100, 100, 100, 2);
  RNA_def_property_ui_text(prop, "Start Position Y", "Y coordinate of the start position");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "start_position_object", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "objectcenter");
  RNA_def_property_ui_text(prop, "Start Position Object", "Object which defines the wave center");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name for modulating the wave");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_WaveModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WAVE_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "speed", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -1, 1, 10, 2);
  RNA_def_property_ui_text(
      prop, "Speed", "Speed of the wave, towards the starting point when negative");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "height", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -2, 2, 10, 2);
  RNA_def_property_ui_text(prop, "Height", "Height of the wave");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "width", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 5, 10, 2);
  RNA_def_property_ui_text(prop, "Width", "Distance between the waves");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "narrowness", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "narrow");
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 10, 10, 2);
  RNA_def_property_ui_text(
      prop,
      "Narrowness",
      "Distance between the top and the base of a wave, the higher the value, "
      "the more narrow the wave");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
 
  rna_def_modifier_generic_map_info(srna);
}
 
static void rna_def_modifier_armature(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "ArmatureModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Armature Modifier", "Armature deformation modifier");
  RNA_def_struct_sdna(srna, "ArmatureModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_ARMATURE);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Object", "Armature object to deform with");
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_ArmatureModifier_object_set", nullptr, "rna_Armature_object_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "use_bone_envelopes", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "deformflag", ARM_DEF_ENVELOPE);
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(prop, "Use Bone Envelopes", "Bind Bone envelopes to armature modifier");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "use_vertex_groups", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "deformflag", ARM_DEF_VGROUP);
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(prop, "Use Vertex Groups", "Bind vertex groups to armature modifier");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "use_deform_preserve_volume", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "deformflag", ARM_DEF_QUATERNION);
  RNA_def_property_ui_text(
      prop, "Preserve Volume", "Deform rotation interpolation with quaternions");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_multi_modifier", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "multi", 0);
  RNA_def_property_ui_text(
      prop,
      "Multi Modifier",
      "Use same input as previous modifier, and mix results using overall vgroup");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(
      prop,
      "Vertex Group",
      "Name of Vertex Group which determines influence of modifier per point");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_ArmatureModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "deformflag", ARM_DEF_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_hook(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
  FunctionRNA *func;
  PropertyRNA *parm;
 
  srna = RNA_def_struct(brna, "HookModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna, "Hook Modifier", "Hook modifier to modify the location of vertices");
  RNA_def_struct_sdna(srna, "HookModifierData");
  RNA_def_struct_ui_icon(srna, ICON_HOOK);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "strength", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "force");
  RNA_def_property_range(prop, 0, 1);
  RNA_def_property_ui_text(prop, "Strength", "Relative force of the hook");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "falloff_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, modifier_warp_falloff_items); /* share the enum */
  RNA_def_property_ui_text(prop, "Falloff Type", "");
  RNA_def_property_translation_context(prop,
                                       BLT_I18NCONTEXT_ID_CURVE_LEGACY); /* Abusing id_curve :/ */
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "falloff_radius", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "falloff");
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 100, 100, 2);
  RNA_def_property_ui_text(
      prop, "Radius", "If not zero, the distance from the hook where influence ends");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "falloff_curve", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "curfalloff");
  RNA_def_property_ui_text(prop, "Falloff Curve", "Custom falloff curve");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "center", PROP_FLOAT, PROP_TRANSLATION);
  RNA_def_property_float_sdna(prop, nullptr, "cent");
  RNA_def_property_ui_text(
      prop, "Hook Center", "Center of the hook, used for falloff and display");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "matrix_inverse", PROP_FLOAT, PROP_MATRIX);
  RNA_def_property_float_sdna(prop, nullptr, "parentinv");
  RNA_def_property_multi_array(prop, 2, rna_matrix_dimsize_4x4);
  RNA_def_property_ui_text(
      prop, "Matrix", "Reverse the transformation between this object and its target");
  RNA_def_property_update(prop, NC_OBJECT | ND_TRANSFORM, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(
      prop, "Object", "Parent Object for hook, also recalculates and clears offset");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_override_funcs(
      prop, nullptr, nullptr, "rna_HookModifier_object_override_apply");
  RNA_def_property_pointer_funcs(prop, nullptr, "rna_HookModifier_object_set", nullptr, nullptr);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "subtarget", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "subtarget");
  RNA_def_property_ui_text(
      prop,
      "Sub-Target",
      "Name of Parent Bone for hook (if applicable), also recalculates and clears offset");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_HookModifier_subtarget_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "use_falloff_uniform", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_HOOK_UNIFORM_SPACE);
  RNA_def_property_ui_text(prop, "Uniform Falloff", "Compensate for non-uniform object scale");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "name");
  RNA_def_property_ui_text(
      prop,
      "Vertex Group",
      "Name of Vertex Group which determines influence of modifier per point");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_HookModifier_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_indices", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_array(prop, RNA_MAX_ARRAY_LENGTH);
  RNA_def_property_flag(prop, PROP_DYNAMIC);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_dynamic_array_funcs(prop, "rna_HookModifier_vertex_indices_get_length");
  RNA_def_property_int_funcs(prop, "rna_HookModifier_vertex_indices_get", nullptr, nullptr);
  RNA_def_property_ui_text(prop,
                           "Vertex Indices",
                           "Indices of vertices bound to the modifier. For Bézier curves, "
                           "handles count as additional vertices.");
 
  func = RNA_def_function(srna, "vertex_indices_set", "rna_HookModifier_vertex_indices_set");
  RNA_def_function_ui_description(
      func, "Validates and assigns the array of vertex indices bound to the modifier");
  RNA_def_function_flag(func, FUNC_USE_REPORTS);
  parm = RNA_def_int_array(
      func, "indices", 1, nullptr, INT_MIN, INT_MAX, "", "Vertex Indices", 0, INT_MAX);
  RNA_def_property_array(parm, RNA_MAX_ARRAY_LENGTH);
  RNA_def_parameter_flags(parm, PROP_DYNAMIC, PARM_REQUIRED);
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_HOOK_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_softbody(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "SoftBodyModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Soft Body Modifier", "Soft body simulation modifier");
  RNA_def_struct_sdna(srna, "SoftbodyModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_SOFT);
 
  prop = RNA_def_property(srna, "settings", PROP_POINTER, PROP_NONE);
  RNA_def_property_flag(prop, PROP_NEVER_NULL);
  RNA_def_property_struct_type(prop, "SoftBodySettings");
  RNA_def_property_pointer_funcs(
      prop, "rna_SoftBodyModifier_settings_get", nullptr, nullptr, nullptr);
  RNA_def_property_ui_text(prop, "Soft Body Settings", "");
 
  prop = RNA_def_property(srna, "point_cache", PROP_POINTER, PROP_NONE);
  RNA_def_property_flag(prop, PROP_NEVER_NULL);
  RNA_def_property_struct_type(prop, "PointCache");
  RNA_def_property_pointer_funcs(
      prop, "rna_SoftBodyModifier_point_cache_get", nullptr, nullptr, nullptr);
  RNA_def_property_ui_text(prop, "Soft Body Point Cache", "");
}
 
static void rna_def_modifier_boolean(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem prop_operand_items[] = {
      {eBooleanModifierFlag_Object,
       "OBJECT",
       0,
       "Object",
       "Use a mesh object as the operand for the Boolean operation"},
      {eBooleanModifierFlag_Collection,
       "COLLECTION",
       0,
       "Collection",
       "Use a collection of mesh objects as the operand for the Boolean operation"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem prop_operation_items[] = {
      {eBooleanModifierOp_Intersect,
       "INTERSECT",
       0,
       "Intersect",
       "Keep the part of the mesh that is common between all operands"},
      {eBooleanModifierOp_Union, "UNION", 0, "Union", "Combine meshes in an additive way"},
      {eBooleanModifierOp_Difference,
       "DIFFERENCE",
       0,
       "Difference",
       "Combine meshes in a subtractive way"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem prop_solver_items[] = {
      {eBooleanModifierSolver_Float,
       "FAST",
       0,
       "Float",
       "Simple solver with good performance, without support for overlapping geometry"},
      {eBooleanModifierSolver_Mesh_Arr,
       "EXACT",
       0,
       "Exact",
       "Slower solver with the best results for coplanar faces"},
      {eBooleanModifierSolver_Manifold,
       "MANIFOLD",
       0,
       "Manifold",
       "Fastest solver that works only on manifold meshes but gives better results"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem material_mode_items[] = {
      {eBooleanModifierMaterialMode_Index,
       "INDEX",
       0,
       "Index Based",
       "Set the material on new faces based on the order of the material slot lists. If a "
       "material doesn't exist on the modifier object, the face will use the same material slot "
       "or the first if the object doesn't have enough slots."},
      {eBooleanModifierMaterialMode_Transfer,
       "TRANSFER",
       0,
       "Transfer",
       "Transfer materials from non-empty slots to the result mesh, adding new materials as "
       "necessary. For empty slots, fall back to using the same material index as the operand "
       "mesh."},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "BooleanModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Boolean Modifier", "Boolean operations modifier");
  RNA_def_struct_sdna(srna, "BooleanModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_BOOLEAN);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Object", "Mesh object to use for Boolean operation");
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_BooleanModifier_object_set", nullptr, "rna_Mesh_object_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "collection", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "collection");
  RNA_def_property_struct_type(prop, "Collection");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_REFCOUNT);
  RNA_def_property_ui_text(
      prop, "Collection", "Use mesh objects in this collection for Boolean operation");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "operation", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_operation_items);
  RNA_def_property_enum_default(prop, eBooleanModifierOp_Difference);
  RNA_def_property_ui_text(prop, "Operation", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "operand_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_bitflag_sdna(prop, nullptr, "flag");
  RNA_def_property_enum_items(prop, prop_operand_items);
  RNA_def_property_ui_text(prop, "Operand Type", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "double_threshold", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "double_threshold");
  RNA_def_property_range(prop, 0, 1.0f);
  RNA_def_property_ui_range(prop, 0, 1, 1.0, 6);
  RNA_def_property_ui_scale_type(prop, PROP_SCALE_LOG);
  RNA_def_property_ui_text(
      prop, "Overlap Threshold", "Threshold for checking overlapping geometry");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "solver", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_solver_items);
  RNA_def_property_enum_default(prop, eBooleanModifierSolver_Mesh_Arr);
  RNA_def_property_ui_text(prop, "Solver", "Method for calculating booleans");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_self", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eBooleanModifierFlag_Self);
  RNA_def_property_ui_text(prop, "Self Intersection", "Allow self-intersection in operands");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_hole_tolerant", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eBooleanModifierFlag_HoleTolerant);
  RNA_def_property_ui_text(prop, "Hole Tolerant", "Better results when there are holes (slower)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "material_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, material_mode_items);
  RNA_def_property_enum_default(prop, eBooleanModifierMaterialMode_Index);
  RNA_def_property_ui_text(prop, "Material Mode", "Method for setting materials on the new faces");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* BMesh debugging options, only used when G_DEBUG is set */
 
  /* BMesh intersection options */
  static const EnumPropertyItem debug_items[] = {
      {eBooleanModifierBMeshFlag_BMesh_Separate, "SEPARATE", 0, "Separate", ""},
      {eBooleanModifierBMeshFlag_BMesh_NoDissolve, "NO_DISSOLVE", 0, "No Dissolve", ""},
      {eBooleanModifierBMeshFlag_BMesh_NoConnectRegions,
       "NO_CONNECT_REGIONS",
       0,
       "No Connect Regions",
       ""},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  prop = RNA_def_property(srna, "debug_options", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, debug_items);
  RNA_def_property_enum_sdna(prop, nullptr, "bm_flag");
  RNA_def_property_flag(prop, PROP_ENUM_FLAG);
  RNA_def_property_ui_text(prop, "Debug", "Debugging options, only when started with '-d'");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_array(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem prop_fit_type_items[] = {
      {MOD_ARR_FIXEDCOUNT,
       "FIXED_COUNT",
       0,
       "Fixed Count",
       "Duplicate the object a certain number of times"},
      {MOD_ARR_FITLENGTH,
       "FIT_LENGTH",
       0,
       "Fit Length",
       "Duplicate the object as many times as fits in a certain length"},
      {MOD_ARR_FITCURVE, "FIT_CURVE", 0, "Fit Curve", "Fit the duplicated objects to a curve"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "ArrayModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Array Modifier", "Array duplication modifier");
  RNA_def_struct_sdna(srna, "ArrayModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_ARRAY);
 
  RNA_define_lib_overridable(true);
 
  /* Length parameters */
  prop = RNA_def_property(srna, "fit_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_fit_type_items);
  RNA_def_property_ui_text(prop, "Fit Type", "Array length calculation method");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "count", PROP_INT, PROP_NONE);
  RNA_def_property_range(prop, 1, INT_MAX);
  RNA_def_property_ui_range(prop, 1, 1000, 1, -1);
  RNA_def_property_ui_text(prop, "Count", "Number of duplicates to make");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "fit_length", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "length");
  RNA_def_property_range(prop, 0, INT_MAX);
  RNA_def_property_ui_range(prop, 0, 10000, 10, 2);
  RNA_def_property_ui_text(prop, "Length", "Length to fit array within");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "curve", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "curve_ob");
  RNA_def_property_ui_text(prop, "Curve", "Curve object to fit array length to");
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_ArrayModifier_curve_ob_set", nullptr, "rna_Curve_object_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_ArrayModifier_dependency_update");
 
  /* Offset parameters */
  prop = RNA_def_property(srna, "use_constant_offset", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "offset_type", MOD_ARR_OFF_CONST);
  RNA_def_property_ui_text(prop, "Constant Offset", "Add a constant offset");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "constant_offset_displace", PROP_FLOAT, PROP_TRANSLATION);
  RNA_def_property_float_sdna(prop, nullptr, "offset");
  RNA_def_property_ui_text(
      prop, "Constant Offset Displacement", "Value for the distance between arrayed items");
  RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, RNA_TRANSLATION_PREC_DEFAULT);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_relative_offset", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "offset_type", MOD_ARR_OFF_RELATIVE);
  RNA_def_property_ui_text(
      prop, "Relative Offset", "Add an offset relative to the object's bounding box");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* PROP_TRANSLATION causes units to be used which we don't want */
  prop = RNA_def_property(srna, "relative_offset_displace", PROP_FLOAT, PROP_XYZ);
  RNA_def_property_float_sdna(prop, nullptr, "scale");
  RNA_def_property_ui_text(
      prop,
      "Relative Offset Displacement",
      "The size of the geometry will determine the distance between arrayed items");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* Vertex merging parameters */
  prop = RNA_def_property(srna, "use_merge_vertices", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", MOD_ARR_MERGE);
  RNA_def_property_ui_text(prop, "Merge Vertices", "Merge vertices in adjacent duplicates");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_merge_vertices_cap", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", MOD_ARR_MERGEFINAL);
  RNA_def_property_ui_text(
      prop, "Merge End Vertices", "Merge vertices in first and last duplicates");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "merge_threshold", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "merge_dist");
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 1, 1, 4);
  RNA_def_property_ui_text(prop, "Merge Distance", "Limit below which to merge vertices");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* Offset object */
  prop = RNA_def_property(srna, "use_object_offset", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "offset_type", MOD_ARR_OFF_OBJ);
  RNA_def_property_ui_text(
      prop, "Object Offset", "Add another object's transformation to the total offset");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "offset_object", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "offset_ob");
  RNA_def_property_ui_text(
      prop,
      "Object Offset",
      "Use the location and rotation of another object to determine the distance and "
      "rotational change between arrayed items");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  /* Caps */
  prop = RNA_def_property(srna, "start_cap", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Start Cap", "Mesh object to use as a start cap");
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_ArrayModifier_start_cap_set", nullptr, "rna_Mesh_object_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "end_cap", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "End Cap", "Mesh object to use as an end cap");
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_ArrayModifier_end_cap_set", nullptr, "rna_Mesh_object_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "offset_u", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "uv_offset[0]");
  RNA_def_property_range(prop, -1, 1);
  RNA_def_property_ui_range(prop, -1, 1, 2, 4);
  RNA_def_property_ui_text(prop, "U Offset", "Amount to offset array UVs on the U axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "offset_v", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "uv_offset[1]");
  RNA_def_property_range(prop, -1, 1);
  RNA_def_property_ui_range(prop, -1, 1, 2, 4);
  RNA_def_property_ui_text(prop, "V Offset", "Amount to offset array UVs on the V axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_edgesplit(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "EdgeSplitModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna, "EdgeSplit Modifier", "Edge splitting modifier to create sharp edges");
  RNA_def_struct_sdna(srna, "EdgeSplitModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_EDGESPLIT);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "split_angle", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_range(prop, 0.0f, DEG2RADF(180.0f));
  RNA_def_property_ui_range(prop, 0.0f, DEG2RADF(180.0f), 10, 2);
  RNA_def_property_ui_text(prop, "Split Angle", "Angle above which to split edges");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_edge_angle", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", MOD_EDGESPLIT_FROMANGLE);
  RNA_def_property_ui_text(prop, "Use Edge Angle", "Split edges with high angle between faces");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_edge_sharp", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", MOD_EDGESPLIT_FROMFLAG);
  RNA_def_property_ui_text(prop, "Use Sharp Edges", "Split edges that are marked as sharp");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_displace(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem prop_direction_items[] = {
      {MOD_DISP_DIR_X,
       "X",
       0,
       "X",
       "Use the texture's intensity value to displace in the X direction"},
      {MOD_DISP_DIR_Y,
       "Y",
       0,
       "Y",
       "Use the texture's intensity value to displace in the Y direction"},
      {MOD_DISP_DIR_Z,
       "Z",
       0,
       "Z",
       "Use the texture's intensity value to displace in the Z direction"},
      {MOD_DISP_DIR_NOR,
       "NORMAL",
       0,
       "Normal",
       "Use the texture's intensity value to displace along the vertex normal"},
      {MOD_DISP_DIR_CLNOR,
       "CUSTOM_NORMAL",
       0,
       "Custom Normal",
       "Use the texture's intensity value to displace along the (averaged) custom normal (falls "
       "back to vertex)"},
      {MOD_DISP_DIR_RGB_XYZ,
       "RGB_TO_XYZ",
       0,
       "RGB to XYZ",
       "Use the texture's RGB values to displace the mesh in the XYZ direction"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem prop_space_items[] = {
      {MOD_DISP_SPACE_LOCAL, "LOCAL", 0, "Local", "Direction is defined in local coordinates"},
      {MOD_DISP_SPACE_GLOBAL, "GLOBAL", 0, "Global", "Direction is defined in global coordinates"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "DisplaceModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Displace Modifier", "Displacement modifier");
  RNA_def_struct_sdna(srna, "DisplaceModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_DISPLACE);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(
      prop,
      "Vertex Group",
      "Name of Vertex Group which determines influence of modifier per point");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_DisplaceModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mid_level", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "midlevel");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 1, 10, 3);
  RNA_def_property_ui_text(prop, "Midlevel", "Material value that gives no displacement");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "strength", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -100, 100, 10, 3);
  RNA_def_property_ui_text(prop, "Strength", "Amount to displace geometry");
  RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_AMOUNT);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "direction", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_direction_items);
  RNA_def_property_ui_text(prop, "Direction", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "space", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_space_items);
  RNA_def_property_ui_text(prop, "Space", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_DISP_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
 
  rna_def_modifier_generic_map_info(srna);
}
 
static void rna_def_modifier_uvproject(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "UVProjectModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna, "UV Project Modifier", "UV projection modifier to set UVs from a projector");
  RNA_def_struct_sdna(srna, "UVProjectModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_UVPROJECT);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "uv_layer", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "uvlayer_name");
  RNA_def_property_ui_text(prop, "UV Map", "UV map name");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_UVProjectModifier_uvlayer_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "projector_count", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "projectors_num");
  RNA_def_property_ui_text(prop, "Number of Projectors", "Number of projectors to use");
  RNA_def_property_int_funcs(prop, nullptr, "rna_UVProjectModifier_num_projectors_set", nullptr);
  RNA_def_property_range(prop, 1, MOD_UVPROJECT_MAXPROJECTORS);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "projectors", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_struct_type(prop, "UVProjector");
  RNA_def_property_collection_funcs(prop,
                                    "rna_UVProject_projectors_begin",
                                    "rna_iterator_array_next",
                                    "rna_iterator_array_end",
                                    "rna_iterator_array_get",
                                    nullptr,
                                    nullptr,
                                    nullptr,
                                    nullptr);
  RNA_def_property_ui_text(prop, "Projectors", "");
 
  prop = RNA_def_property(srna, "aspect_x", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "aspectx");
  RNA_def_property_flag(prop, PROP_PROPORTIONAL);
  RNA_def_property_range(prop, 1, FLT_MAX);
  RNA_def_property_ui_range(prop, 1, 1000, 1, 3);
  RNA_def_property_ui_text(
      prop, "Aspect X", "Horizontal aspect ratio (only used for camera projectors)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "aspect_y", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "aspecty");
  RNA_def_property_flag(prop, PROP_PROPORTIONAL);
  RNA_def_property_range(prop, 1, FLT_MAX);
  RNA_def_property_ui_range(prop, 1, 1000, 1, 3);
  RNA_def_property_ui_text(
      prop, "Aspect Y", "Vertical aspect ratio (only used for camera projectors)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "scale_x", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "scalex");
  RNA_def_property_flag(prop, PROP_PROPORTIONAL);
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 1000, 1, 3);
  RNA_def_property_ui_text(prop, "Scale X", "Horizontal scale (only used for camera projectors)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "scale_y", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "scaley");
  RNA_def_property_flag(prop, PROP_PROPORTIONAL);
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 1000, 1, 3);
  RNA_def_property_ui_text(prop, "Scale Y", "Vertical scale (only used for camera projectors)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  srna = RNA_def_struct(brna, "UVProjector", nullptr);
  RNA_def_struct_ui_text(srna, "UVProjector", "UV projector used by the UV project modifier");
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(prop, "Object");
  RNA_def_property_pointer_funcs(
      prop, "rna_UVProjector_object_get", "rna_UVProjector_object_set", nullptr, nullptr);
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_ui_text(prop, "Object", "Object to use as projector transform");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_smooth(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "SmoothModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Smooth Modifier", "Smoothing effect modifier");
  RNA_def_struct_sdna(srna, "SmoothModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_SMOOTH);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "use_x", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SMOOTH_X);
  RNA_def_property_ui_text(prop, "X", "Smooth object along X axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_y", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SMOOTH_Y);
  RNA_def_property_ui_text(prop, "Y", "Smooth object along Y axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_z", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SMOOTH_Z);
  RNA_def_property_ui_text(prop, "Z", "Smooth object along Z axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "factor", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "fac");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -10, 10, 1, 3);
  RNA_def_property_ui_text(prop, "Factor", "Strength of modifier effect");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "iterations", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "repeat");
  RNA_def_property_ui_range(prop, 0, 30, 1, -1);
  RNA_def_property_ui_text(prop, "Repeat", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(
      prop,
      "Vertex Group",
      "Name of Vertex Group which determines influence of modifier per point");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_SmoothModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SMOOTH_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_correctivesmooth(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem modifier_smooth_type_items[] = {
      {MOD_CORRECTIVESMOOTH_SMOOTH_SIMPLE,
       "SIMPLE",
       0,
       "Simple",
       "Use the average of adjacent edge-vertices"},
      {MOD_CORRECTIVESMOOTH_SMOOTH_LENGTH_WEIGHT,
       "LENGTH_WEIGHTED",
       0,
       "Length Weight",
       "Use the average of adjacent edge-vertices weighted by their length"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem modifier_rest_source_items[] = {
      {MOD_CORRECTIVESMOOTH_RESTSOURCE_ORCO,
       "ORCO",
       0,
       "Original Coords",
       "Use base mesh vertex coordinates as the rest position"},
      {MOD_CORRECTIVESMOOTH_RESTSOURCE_BIND,
       "BIND",
       0,
       "Bind Coords",
       "Use bind vertex coordinates for rest position"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "CorrectiveSmoothModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna, "Corrective Smooth Modifier", "Correct distortion caused by deformation");
  RNA_def_struct_sdna(srna, "CorrectiveSmoothModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_SMOOTH);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "factor", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "lambda");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, 1.0, 5, 3);
  RNA_def_property_ui_text(prop, "Lambda Factor", "Smooth effect factor");
  RNA_def_property_update(prop, 0, "rna_CorrectiveSmoothModifier_update");
 
  prop = RNA_def_property(srna, "iterations", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "repeat");
  RNA_def_property_ui_range(prop, 0, 200, 1, -1);
  RNA_def_property_ui_text(prop, "Repeat", "");
  RNA_def_property_update(prop, 0, "rna_CorrectiveSmoothModifier_update");
 
  prop = RNA_def_property(srna, "scale", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "scale");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, 10.0, 5, 3);
  RNA_def_property_ui_text(prop, "Scale", "Compensate for scale applied by other modifiers");
  RNA_def_property_update(prop, 0, "rna_CorrectiveSmoothModifier_update");
 
  prop = RNA_def_property(srna, "rest_source", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "rest_source");
  RNA_def_property_enum_items(prop, modifier_rest_source_items);
  RNA_def_property_ui_text(prop, "Rest Source", "Select the source of rest positions");
  RNA_def_property_update(prop, 0, "rna_CorrectiveSmoothModifier_rest_source_update");
 
  prop = RNA_def_property(srna, "smooth_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "smooth_type");
  RNA_def_property_enum_items(prop, modifier_smooth_type_items);
  RNA_def_property_ui_text(prop, "Smooth Type", "Method used for smoothing");
  RNA_def_property_update(prop, 0, "rna_CorrectiveSmoothModifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_CORRECTIVESMOOTH_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_CorrectiveSmoothModifier_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(
      prop,
      "Vertex Group",
      "Name of Vertex Group which determines influence of modifier per point");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_CorrectiveSmoothModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_CorrectiveSmoothModifier_update");
 
  prop = RNA_def_property(srna, "is_bind", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_ui_text(prop, "Bind current shape", "");
  RNA_def_property_boolean_funcs(prop, "rna_CorrectiveSmoothModifier_is_bind_get", nullptr);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_only_smooth", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_CORRECTIVESMOOTH_ONLY_SMOOTH);
  RNA_def_property_ui_text(
      prop, "Only Smooth", "Apply smoothing without reconstructing the surface");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_pin_boundary", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_CORRECTIVESMOOTH_PIN_BOUNDARY);
  RNA_def_property_ui_text(
      prop, "Pin Boundaries", "Excludes boundary vertices from being smoothed");
  RNA_def_property_update(prop, 0, "rna_CorrectiveSmoothModifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_laplaciansmooth(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "LaplacianSmoothModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Laplacian Smooth Modifier", "Smoothing effect modifier");
  RNA_def_struct_sdna(srna, "LaplacianSmoothModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_SMOOTH);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "use_x", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_LAPLACIANSMOOTH_X);
  RNA_def_property_ui_text(prop, "X", "Smooth object along X axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_y", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_LAPLACIANSMOOTH_Y);
  RNA_def_property_ui_text(prop, "Y", "Smooth object along Y axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_z", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_LAPLACIANSMOOTH_Z);
  RNA_def_property_ui_text(prop, "Z", "Smooth object along Z axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_volume_preserve", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_LAPLACIANSMOOTH_PRESERVE_VOLUME);
  RNA_def_property_ui_text(prop, "Preserve Volume", "Apply volume preservation after smooth");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_normalized", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_LAPLACIANSMOOTH_NORMALIZED);
  RNA_def_property_ui_text(prop, "Normalized", "Improve and stabilize the enhanced shape");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "lambda_factor", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "lambda");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -1000.0, 1000.0, 5, 3);
  RNA_def_property_ui_text(prop, "Lambda Factor", "Smooth effect factor");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "lambda_border", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "lambda_border");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -1000.0, 1000.0, 5, 3);
  RNA_def_property_ui_text(prop, "Lambda Border", "Lambda factor in border");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "iterations", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "repeat");
  RNA_def_property_ui_range(prop, 0, 200, 1, -1);
  RNA_def_property_ui_text(prop, "Repeat", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(
      prop,
      "Vertex Group",
      "Name of Vertex Group which determines influence of modifier per point");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_LaplacianSmoothModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_LAPLACIANSMOOTH_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_cast(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem prop_cast_type_items[] = {
      {MOD_CAST_TYPE_SPHERE, "SPHERE", 0, "Sphere", ""},
      {MOD_CAST_TYPE_CYLINDER, "CYLINDER", 0, "Cylinder", ""},
      {MOD_CAST_TYPE_CUBOID, "CUBOID", 0, "Cuboid", ""},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "CastModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Cast Modifier", "Modifier to cast to other shapes");
  RNA_def_struct_sdna(srna, "CastModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_CAST);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "cast_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "type");
  RNA_def_property_enum_items(prop, prop_cast_type_items);
  RNA_def_property_ui_text(prop, "Shape", "Target object shape");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(
      prop,
      "Object",
      "Control object: if available, its location determines the center of the effect");
  RNA_def_property_pointer_funcs(prop, nullptr, "rna_CastModifier_object_set", nullptr, nullptr);
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_CAST_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_x", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_CAST_X);
  RNA_def_property_ui_text(prop, "X", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_y", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_CAST_Y);
  RNA_def_property_ui_text(prop, "Y", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_z", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_CAST_Z);
  RNA_def_property_ui_text(prop, "Z", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_radius_as_size", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_CAST_SIZE_FROM_RADIUS);
  RNA_def_property_ui_text(
      prop, "Size from Radius", "Use radius as size of projection shape (0 = auto)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_transform", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_CAST_USE_OB_TRANSFORM);
  RNA_def_property_ui_text(
      prop, "Use Transform", "Use object transform to control projection shape");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "factor", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "fac");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -10, 10, 5, 2);
  RNA_def_property_ui_text(prop, "Factor", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "radius", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 100, 5, 2);
  RNA_def_property_ui_text(
      prop,
      "Radius",
      "Only deform vertices within this distance from the center of the effect "
      "(leave as 0 for infinite.)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "size", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 100, 5, 2);
  RNA_def_property_ui_text(prop, "Size", "Size of projection shape (leave as 0 for auto)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_CastModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_meshdeform(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
#  if 0
  static const EnumPropertyItem prop_mode_items[] = {
      {0, "VOLUME", 0, "Volume", "Bind to volume inside cage mesh"},
      {1, "SURFACE", 0, "Surface", "Bind to surface of cage mesh"},
      {0, nullptr, 0, nullptr, nullptr},
  };
#  endif
 
  srna = RNA_def_struct(brna, "MeshDeformModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna, "MeshDeform Modifier", "Mesh deformation modifier to deform with other meshes");
  RNA_def_struct_sdna(srna, "MeshDeformModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_MESHDEFORM);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Object", "Mesh object to deform with");
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_MeshDeformModifier_object_set", nullptr, "rna_Mesh_object_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "is_bound", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_funcs(prop, "rna_MeshDeformModifier_is_bound_get", nullptr);
  RNA_def_property_ui_text(prop, "Bound", "Whether geometry has been bound to control cage");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_MDEF_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_MeshDeformModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "precision", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "gridsize");
  RNA_def_property_range(prop, 2, 10);
  RNA_def_property_ui_text(prop, "Precision", "The grid size for binding");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_dynamic_bind", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_MDEF_DYNAMIC_BIND);
  RNA_def_property_ui_text(prop,
                           "Dynamic",
                           "Recompute binding dynamically on top of other deformers "
                           "(slower and more memory consuming)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
#  if 0
  prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_mode_items);
  RNA_def_property_ui_text(prop, "Mode", "Method of binding vertices are bound to cage mesh");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
#  endif
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_particlesystem(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "ParticleSystemModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "ParticleSystem Modifier", "Particle system simulation modifier");
  RNA_def_struct_sdna(srna, "ParticleSystemModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_PARTICLES);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "particle_system", PROP_POINTER, PROP_NONE);
  RNA_def_property_flag(prop, PROP_NEVER_NULL);
  RNA_def_property_pointer_sdna(prop, nullptr, "psys");
  RNA_def_property_ui_text(prop, "Particle System", "Particle System that this modifier controls");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_particleinstance(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static EnumPropertyItem particleinstance_space[] = {
      {eParticleInstanceSpace_Local,
       "LOCAL",
       0,
       "Local",
       "Use offset from the particle object in the instance object"},
      {eParticleInstanceSpace_World,
       "WORLD",
       0,
       "World",
       "Use world space offset in the instance object"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "ParticleInstanceModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "ParticleInstance Modifier", "Particle system instancing modifier");
  RNA_def_struct_sdna(srna, "ParticleInstanceModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_PARTICLES);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "ob");
  RNA_def_property_pointer_funcs(prop, nullptr, nullptr, nullptr, "rna_Mesh_object_poll");
  RNA_def_property_ui_text(prop, "Object", "Object that has the particle system");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "particle_system_index", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "psys");
  RNA_def_property_range(prop, 1, SHRT_MAX);
  RNA_def_property_ui_text(prop, "Particle System Number", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "particle_system", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(prop, "ParticleSystem");
  RNA_def_property_pointer_funcs(prop,
                                 "rna_ParticleInstanceModifier_particle_system_get",
                                 "rna_ParticleInstanceModifier_particle_system_set",
                                 nullptr,
                                 "rna_ParticleInstanceModifier_particle_system_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Particle System", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "axis", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "axis");
  RNA_def_property_enum_items(prop, rna_enum_axis_xyz_items);
  RNA_def_property_ui_text(prop, "Axis", "Pole axis for rotation");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "space", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "space");
  RNA_def_property_enum_items(prop, particleinstance_space);
  RNA_def_property_ui_text(prop, "Space", "Space to use for copying mesh data");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_normal", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eParticleInstanceFlag_Parents);
  RNA_def_property_ui_text(prop, "Regular", "Create instances from normal particles");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_children", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eParticleInstanceFlag_Children);
  RNA_def_property_ui_text(prop, "Children", "Create instances from child particles");
  RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_PARTICLESETTINGS);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_path", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eParticleInstanceFlag_Path);
  RNA_def_property_ui_text(prop, "Path", "Create instances along particle paths");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "show_unborn", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eParticleInstanceFlag_Unborn);
  RNA_def_property_ui_text(prop, "Unborn", "Show instances when particles are unborn");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "show_alive", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eParticleInstanceFlag_Alive);
  RNA_def_property_ui_text(prop, "Alive", "Show instances when particles are alive");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "show_dead", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eParticleInstanceFlag_Dead);
  RNA_def_property_ui_text(prop, "Dead", "Show instances when particles are dead");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_preserve_shape", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eParticleInstanceFlag_KeepShape);
  RNA_def_property_ui_text(prop, "Keep Shape", "Don't stretch the object");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_size", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eParticleInstanceFlag_UseSize);
  RNA_def_property_ui_text(prop, "Size", "Use particle size to scale the instances");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "position", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "position");
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_text(prop, "Position", "Position along path");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "random_position", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "random_position");
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_text(prop, "Random Position", "Randomize position along path");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "rotation", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "rotation");
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_text(prop, "Rotation", "Rotation around path");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "random_rotation", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "random_rotation");
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_text(prop, "Random Rotation", "Randomize rotation around path");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "particle_amount", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_text(prop, "Particle Amount", "Amount of particles to use for instancing");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "particle_offset", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_text(prop,
                           "Particle Offset",
                           "Relative offset of particles to use for instancing, to avoid overlap "
                           "of multiple instances");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "index_layer_name", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "index_layer_name");
  RNA_def_property_ui_text(prop, "Index Layer Name", "Custom data layer name for the index");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "value_layer_name", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "value_layer_name");
  RNA_def_property_ui_text(
      prop, "Value Layer Name", "Custom data layer name for the randomized value");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_explode(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "ExplodeModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna, "Explode Modifier", "Explosion effect modifier based on a particle system");
  RNA_def_struct_sdna(srna, "ExplodeModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_EXPLODE);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_funcs(prop,
                                "rna_ExplodeModifier_vgroup_get",
                                "rna_ExplodeModifier_vgroup_length",
                                "rna_ExplodeModifier_vgroup_set");
  RNA_def_property_ui_text(prop, "Vertex Group", "");
 
  prop = RNA_def_property(srna, "protect", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, 0, 1);
  RNA_def_property_ui_text(prop, "Protect", "Clean vertex group edges");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_edge_cut", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eExplodeFlag_EdgeCut);
  RNA_def_property_ui_text(prop, "Cut Edges", "Cut face edges for nicer shrapnel");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "show_unborn", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eExplodeFlag_Unborn);
  RNA_def_property_ui_text(prop, "Unborn", "Show mesh when particles are unborn");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "show_alive", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eExplodeFlag_Alive);
  RNA_def_property_ui_text(prop, "Alive", "Show mesh when particles are alive");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "show_dead", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eExplodeFlag_Dead);
  RNA_def_property_ui_text(prop, "Dead", "Show mesh when particles are dead");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_size", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eExplodeFlag_PaSize);
  RNA_def_property_ui_text(prop, "Size", "Use particle size for the shrapnel");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "particle_uv", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "uvname");
  RNA_def_property_string_maxlength(prop, MAX_CUSTOMDATA_LAYER_NAME_NO_PREFIX);
  RNA_def_property_ui_text(prop, "Particle UV", "UV map to change with particle age");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eExplodeFlag_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_cloth(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "ClothModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Cloth Modifier", "Cloth simulation modifier");
  RNA_def_struct_sdna(srna, "ClothModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_CLOTH);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "settings", PROP_POINTER, PROP_NONE);
  RNA_def_property_flag(prop, PROP_NEVER_NULL);
  RNA_def_property_pointer_sdna(prop, nullptr, "sim_parms");
  RNA_def_property_ui_text(prop, "Cloth Settings", "");
 
  prop = RNA_def_property(srna, "collision_settings", PROP_POINTER, PROP_NONE);
  RNA_def_property_flag(prop, PROP_NEVER_NULL);
  RNA_def_property_pointer_sdna(prop, nullptr, "coll_parms");
  RNA_def_property_ui_text(prop, "Cloth Collision Settings", "");
 
  prop = RNA_def_property(srna, "solver_result", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(prop, "ClothSolverResult");
  RNA_def_property_pointer_sdna(prop, nullptr, "solver_result");
  RNA_def_property_ui_text(prop, "Solver Result", "");
 
  prop = RNA_def_property(srna, "point_cache", PROP_POINTER, PROP_NONE);
  RNA_def_property_flag(prop, PROP_NEVER_NULL);
  RNA_def_property_ui_text(prop, "Point Cache", "");
 
  prop = RNA_def_property(srna, "hair_grid_min", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "hair_grid_min");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Hair Grid Minimum", "");
 
  prop = RNA_def_property(srna, "hair_grid_max", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "hair_grid_max");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Hair Grid Maximum", "");
 
  prop = RNA_def_property(srna, "hair_grid_resolution", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "hair_grid_res");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Hair Grid Resolution", "");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_fluid(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem prop_fluid_type_items[] = {
      {0, "NONE", 0, "None", ""},
      {MOD_FLUID_TYPE_DOMAIN, "DOMAIN", 0, "Domain", "Container of the fluid simulation"},
      {MOD_FLUID_TYPE_FLOW, "FLOW", 0, "Flow", "Add or remove fluid to a domain object"},
      {MOD_FLUID_TYPE_EFFEC,
       "EFFECTOR",
       0,
       "Effector",
       "Deflect fluids and influence the fluid flow"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "FluidModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Fluid Modifier", "Fluid simulation modifier");
  RNA_def_struct_sdna(srna, "FluidModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_FLUIDSIM);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "domain_settings", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "domain");
  RNA_def_property_ui_text(prop, "Domain Settings", "");
 
  prop = RNA_def_property(srna, "flow_settings", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "flow");
  RNA_def_property_ui_text(prop, "Flow Settings", "");
 
  prop = RNA_def_property(srna, "effector_settings", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "effector");
  RNA_def_property_ui_text(prop, "Effector Settings", "");
 
  prop = RNA_def_property(srna, "fluid_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "type");
  RNA_def_property_enum_items(prop, prop_fluid_type_items);
  RNA_def_property_ui_text(prop, "Type", "");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_update(prop, 0, "rna_fluid_set_type");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_dynamic_paint(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "DynamicPaintModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Dynamic Paint Modifier", "Dynamic Paint modifier");
  RNA_def_struct_sdna(srna, "DynamicPaintModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_DYNAMICPAINT);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "canvas_settings", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "canvas");
  RNA_def_property_ui_text(prop, "Canvas Settings", "");
 
  prop = RNA_def_property(srna, "brush_settings", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "brush");
  RNA_def_property_ui_text(prop, "Brush Settings", "");
 
  prop = RNA_def_property(srna, "ui_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_enum_sdna(prop, nullptr, "type");
  RNA_def_property_enum_items(prop, rna_enum_prop_dynamicpaint_type_items);
  RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_SIMULATION);
  RNA_def_property_ui_text(prop, "Type", "");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_collision(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "CollisionModifier", "Modifier");
  RNA_def_struct_ui_text(srna,
                         "Collision Modifier",
                         "Collision modifier defining modifier stack position used for collision");
  RNA_def_struct_sdna(srna, "CollisionModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_PHYSICS);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "settings", PROP_POINTER, PROP_NONE);
  RNA_def_property_flag(prop, PROP_NEVER_NULL);
  RNA_def_property_struct_type(prop, "CollisionSettings");
  RNA_def_property_pointer_funcs(
      prop, "rna_CollisionModifier_settings_get", nullptr, nullptr, nullptr);
  RNA_def_property_ui_text(prop, "Settings", "");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_bevel(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem prop_limit_method_items[] = {
      {0, "NONE", 0, "None", "Bevel the entire mesh by a constant amount"},
      {MOD_BEVEL_ANGLE,
       "ANGLE",
       0,
       "Angle",
       "Only bevel edges with sharp enough angles between faces"},
      {MOD_BEVEL_WEIGHT,
       "WEIGHT",
       0,
       "Weight",
       "Use bevel weights to determine how much bevel is applied in edge mode"},
      {MOD_BEVEL_VGROUP,
       "VGROUP",
       0,
       "Vertex Group",
       "Use vertex group weights to select whether vertex or edge is beveled"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem prop_val_type_items[] = {
      {MOD_BEVEL_AMT_OFFSET, "OFFSET", 0, "Offset", "Amount is offset of new edges from original"},
      {MOD_BEVEL_AMT_WIDTH, "WIDTH", 0, "Width", "Amount is width of new face"},
      {MOD_BEVEL_AMT_DEPTH,
       "DEPTH",
       0,
       "Depth",
       "Amount is perpendicular distance from original edge to bevel face"},
      {MOD_BEVEL_AMT_PERCENT,
       "PERCENT",
       0,
       "Percent",
       "Amount is percent of adjacent edge length"},
      {MOD_BEVEL_AMT_ABSOLUTE,
       "ABSOLUTE",
       0,
       "Absolute",
       "Amount is absolute distance along adjacent edge"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem prop_profile_type_items[] = {
      {MOD_BEVEL_PROFILE_SUPERELLIPSE,
       "SUPERELLIPSE",
       0,
       "Superellipse",
       "The profile can be a concave or convex curve"},
      {MOD_BEVEL_PROFILE_CUSTOM,
       "CUSTOM",
       0,
       "Custom",
       "The profile can be any arbitrary path between its endpoints"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static EnumPropertyItem prop_harden_normals_items[] = {
      {MOD_BEVEL_FACE_STRENGTH_NONE, "FSTR_NONE", 0, "None", "Do not set face strength"},
      {MOD_BEVEL_FACE_STRENGTH_NEW, "FSTR_NEW", 0, "New", "Set face strength on new faces only"},
      {MOD_BEVEL_FACE_STRENGTH_AFFECTED,
       "FSTR_AFFECTED",
       0,
       "Affected",
       "Set face strength on new and affected faces only"},
      {MOD_BEVEL_FACE_STRENGTH_ALL, "FSTR_ALL", 0, "All", "Set face strength on all faces"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem prop_miter_outer_items[] = {
      {MOD_BEVEL_MITER_SHARP, "MITER_SHARP", 0, "Sharp", "Outside of miter is sharp"},
      {MOD_BEVEL_MITER_PATCH, "MITER_PATCH", 0, "Patch", "Outside of miter is squared-off patch"},
      {MOD_BEVEL_MITER_ARC, "MITER_ARC", 0, "Arc", "Outside of miter is arc"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem prop_miter_inner_items[] = {
      {MOD_BEVEL_MITER_SHARP, "MITER_SHARP", 0, "Sharp", "Inside of miter is sharp"},
      {MOD_BEVEL_MITER_ARC, "MITER_ARC", 0, "Arc", "Inside of miter is arc"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static EnumPropertyItem prop_vmesh_method_items[] = {
      {MOD_BEVEL_VMESH_ADJ, "ADJ", 0, "Grid Fill", "Default patterned fill"},
      {MOD_BEVEL_VMESH_CUTOFF,
       "CUTOFF",
       0,
       "Cutoff",
       "A cut-off at the end of each profile before the intersection"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem prop_affect_items[] = {
      {MOD_BEVEL_AFFECT_VERTICES, "VERTICES", 0, "Vertices", "Affect only vertices"},
      {MOD_BEVEL_AFFECT_EDGES, "EDGES", 0, "Edges", "Affect only edges"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "BevelModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna, "Bevel Modifier", "Bevel modifier to make edges and vertices more rounded");
  RNA_def_struct_sdna(srna, "BevelModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_BEVEL);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "width", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "value");
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0f, 100.0f, 0.1, 4);
  RNA_def_property_ui_text(prop, "Width", "Bevel amount");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "width_pct", PROP_FLOAT, PROP_PERCENTAGE);
  RNA_def_property_float_sdna(prop, nullptr, "value");
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0f, 100.0f, 5.0, 2);
  RNA_def_property_ui_text(prop, "Width Percent", "Bevel amount for percentage method");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "segments", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "res");
  RNA_def_property_range(prop, 1, 1000);
  RNA_def_property_ui_range(prop, 1, 100, 1, -1);
  RNA_def_property_ui_text(prop, "Segments", "Number of segments for round edges/verts");
  RNA_def_property_update(prop, 0, "rna_BevelModifier_update_segments");
 
  prop = RNA_def_property(srna, "affect", PROP_ENUM, PROP_NONE); /* as an enum */
  RNA_def_property_enum_sdna(prop, nullptr, "affect_type");
  RNA_def_property_enum_items(prop, prop_affect_items);
  RNA_def_property_ui_text(prop, "Affect", "Affect edges or vertices");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "limit_method", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "lim_flags");
  RNA_def_property_enum_items(prop, prop_limit_method_items);
  RNA_def_property_ui_text(prop, "Limit Method", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "edge_weight", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "edge_weight_name");
  RNA_def_property_ui_text(prop, "Edge Weight", "Attribute name for edge weight");
  RNA_def_property_string_search_func(
      prop, "rna_BevelModifier_weight_attribute_visit_for_search", PROP_STRING_SEARCH_SUGGESTION);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_weight", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "vertex_weight_name");
  RNA_def_property_ui_text(prop, "Vertex Weight", "Attribute name for vertex weight");
  RNA_def_property_string_search_func(
      prop, "rna_BevelModifier_weight_attribute_visit_for_search", PROP_STRING_SEARCH_SUGGESTION);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "angle_limit", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, nullptr, "bevel_angle");
  RNA_def_property_range(prop, 0.0f, DEG2RADF(180.0f));
  RNA_def_property_ui_range(prop, 0.0f, DEG2RADF(180.0f), 10, 4);
  RNA_def_property_ui_text(prop, "Angle", "Angle above which to bevel edges");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_BevelModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", MOD_BEVEL_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_clamp_overlap", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, nullptr, "flags", MOD_BEVEL_OVERLAP_OK);
  RNA_def_property_ui_text(prop, "Clamp Overlap", "Clamp the width to avoid overlap");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "offset_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "val_flags");
  RNA_def_property_enum_items(prop, prop_val_type_items);
  RNA_def_property_ui_text(prop, "Width Type", "What distance Width measures");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "profile_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "profile_type");
  RNA_def_property_enum_items(prop, prop_profile_type_items);
  RNA_def_property_ui_text(
      prop, "Profile Type", "The type of shape used to rebuild a beveled section");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "profile", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_range(prop, 0.0f, 1.0f, 0.05, 2);
  RNA_def_property_ui_text(prop, "Profile", "The profile shape (0.5 = round)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "material", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "mat");
  RNA_def_property_range(prop, -1, SHRT_MAX);
  RNA_def_property_ui_text(
      prop, "Material Index", "Material index of generated faces, -1 for automatic");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "loop_slide", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, nullptr, "flags", MOD_BEVEL_EVEN_WIDTHS);
  RNA_def_property_ui_text(prop, "Loop Slide", "Prefer sliding along edges to having even widths");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mark_seam", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "edge_flags", MOD_BEVEL_MARK_SEAM);
  RNA_def_property_ui_text(prop, "Mark Seams", "Mark Seams along beveled edges");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mark_sharp", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "edge_flags", MOD_BEVEL_MARK_SHARP);
  RNA_def_property_ui_text(prop, "Mark Sharp", "Mark beveled edges as sharp");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "harden_normals", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", MOD_BEVEL_HARDEN_NORMALS);
  RNA_def_property_ui_text(prop, "Harden Normals", "Match normals of new faces to adjacent faces");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "face_strength_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "face_str_mode");
  RNA_def_property_enum_items(prop, prop_harden_normals_items);
  RNA_def_property_ui_text(
      prop, "Face Strength", "Whether to set face strength, and which faces to set it on");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "miter_outer", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "miter_outer");
  RNA_def_property_enum_items(prop, prop_miter_outer_items);
  RNA_def_property_ui_text(prop, "Outer Miter", "Pattern to use for outside of miters");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "miter_inner", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "miter_inner");
  RNA_def_property_enum_items(prop, prop_miter_inner_items);
  RNA_def_property_ui_text(prop, "Inner Miter", "Pattern to use for inside of miters");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "spread", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "spread");
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0f, 100.0f, 0.1, 4);
  RNA_def_property_ui_text(prop, "Spread", "Spread distance for inner miter arcs");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "custom_profile", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(prop, "CurveProfile");
  RNA_def_property_pointer_sdna(prop, nullptr, "custom_profile");
  RNA_def_property_ui_text(prop, "Custom Profile Path", "The path for the custom profile");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vmesh_method", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "vmesh_method");
  RNA_def_property_enum_items(prop, prop_vmesh_method_items);
  RNA_def_property_ui_text(
      prop, "Vertex Mesh Method", "The method to use to create the mesh at intersections");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_shrinkwrap(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "ShrinkwrapModifier", "Modifier");
  RNA_def_struct_ui_text(srna,
                         "Shrinkwrap Modifier",
                         "Shrink wrapping modifier to shrink wrap and object to a target");
  RNA_def_struct_sdna(srna, "ShrinkwrapModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_SHRINKWRAP);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "wrap_method", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "shrinkType");
  RNA_def_property_enum_items(prop, rna_enum_shrinkwrap_type_items);
  RNA_def_property_ui_text(prop, "Wrap Method", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "wrap_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "shrinkMode");
  RNA_def_property_enum_items(prop, rna_enum_modifier_shrinkwrap_mode_items);
  RNA_def_property_ui_text(
      prop, "Snap Mode", "Select how vertices are constrained to the target surface");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "cull_face", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "shrinkOpts");
  RNA_def_property_enum_items(prop, rna_enum_shrinkwrap_face_cull_items);
  RNA_def_property_enum_funcs(prop,
                              "rna_ShrinkwrapModifier_face_cull_get",
                              "rna_ShrinkwrapModifier_face_cull_set",
                              nullptr);
  RNA_def_property_ui_text(
      prop,
      "Face Cull",
      "Stop vertices from projecting to a face on the target when facing towards/away");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "target", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Target", "Mesh target to shrink to");
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_ShrinkwrapModifier_target_set", nullptr, "rna_Mesh_object_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "auxiliary_target", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "auxTarget");
  RNA_def_property_ui_text(prop, "Auxiliary Target", "Additional mesh target to shrink to");
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_ShrinkwrapModifier_auxTarget_set", nullptr, "rna_Mesh_object_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "vgroup_name");
  RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_ShrinkwrapModifier_vgroup_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "offset", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "keepDist");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -100, 100, 1, 2);
  RNA_def_property_ui_text(prop, "Offset", "Distance to keep from the target");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "project_limit", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "projLimit");
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 100, 1, 2);
  RNA_def_property_ui_text(
      prop, "Project Limit", "Limit the distance used for projection (zero disables)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_project_x", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "projAxis", MOD_SHRINKWRAP_PROJECT_OVER_X_AXIS);
  RNA_def_property_ui_text(prop, "X", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_project_y", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "projAxis", MOD_SHRINKWRAP_PROJECT_OVER_Y_AXIS);
  RNA_def_property_ui_text(prop, "Y", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_project_z", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "projAxis", MOD_SHRINKWRAP_PROJECT_OVER_Z_AXIS);
  RNA_def_property_ui_text(prop, "Z", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "subsurf_levels", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "subsurfLevels");
  RNA_def_property_range(prop, 0, 6);
  RNA_def_property_ui_range(prop, 0, 6, 1, -1);
  RNA_def_property_ui_text(
      prop,
      "Subdivision Levels",
      "Number of subdivisions that must be performed before extracting vertices' "
      "positions and normals");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_negative_direction", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "shrinkOpts", MOD_SHRINKWRAP_PROJECT_ALLOW_NEG_DIR);
  RNA_def_property_ui_text(
      prop, "Negative", "Allow vertices to move in the negative direction of axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_positive_direction", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "shrinkOpts", MOD_SHRINKWRAP_PROJECT_ALLOW_POS_DIR);
  RNA_def_property_ui_text(
      prop, "Positive", "Allow vertices to move in the positive direction of axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_invert_cull", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "shrinkOpts", MOD_SHRINKWRAP_INVERT_CULL_TARGET);
  RNA_def_property_ui_text(
      prop, "Invert Cull", "When projecting in the negative direction invert the face cull mode");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "shrinkOpts", MOD_SHRINKWRAP_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_mask(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem modifier_mask_mode_items[] = {
      {MOD_MASK_MODE_VGROUP, "VERTEX_GROUP", 0, "Vertex Group", ""},
      {MOD_MASK_MODE_ARM, "ARMATURE", 0, "Armature", ""},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "MaskModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Mask Modifier", "Mask modifier to hide parts of the mesh");
  RNA_def_struct_sdna(srna, "MaskModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_MASK);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, modifier_mask_mode_items);
  RNA_def_property_ui_text(prop, "Mode", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "armature", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "ob_arm");
  RNA_def_property_ui_text(prop, "Armature", "Armature to use as source of bones to mask");
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_MaskModifier_ob_arm_set", nullptr, "rna_Armature_object_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "vgroup");
  RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_MaskModifier_vgroup_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_MASK_INV);
  RNA_def_property_ui_text(prop, "Invert", "Use vertices that are not part of region defined");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_smooth", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_MASK_SMOOTH);
  RNA_def_property_ui_text(
      prop, "Smooth", "Use vertex group weights to cut faces at the weight contour");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "threshold", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "threshold");
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_range(prop, 0, 1, 0.1, 3);
  RNA_def_property_ui_text(prop, "Threshold", "Weights over this threshold remain");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_simpledeform(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem simple_deform_mode_items[] = {
      {MOD_SIMPLEDEFORM_MODE_TWIST,
       "TWIST",
       0,
       "Twist",
       "Rotate around the Z axis of the modifier space"},
      {MOD_SIMPLEDEFORM_MODE_BEND,
       "BEND",
       0,
       "Bend",
       "Bend the mesh over the Z axis of the modifier space"},
      {MOD_SIMPLEDEFORM_MODE_TAPER,
       "TAPER",
       0,
       "Taper",
       "Linearly scale along Z axis of the modifier space"},
      {MOD_SIMPLEDEFORM_MODE_STRETCH,
       "STRETCH",
       0,
       "Stretch",
       "Stretch the object along the Z axis of the modifier space"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "SimpleDeformModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna,
      "SimpleDeform Modifier",
      "Simple deformation modifier to apply effects such as twisting and bending");
  RNA_def_struct_sdna(srna, "SimpleDeformModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_SIMPLEDEFORM);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "deform_method", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "mode");
  RNA_def_property_enum_items(prop, simple_deform_mode_items);
  RNA_def_property_ui_text(prop, "Mode", "");
  RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_OPERATOR_DEFAULT);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "vgroup_name");
  RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_SimpleDeformModifier_vgroup_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "deform_axis", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, rna_enum_axis_xyz_items);
  RNA_def_property_ui_text(prop, "Axis", "Deform around local axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "origin", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Origin", "Offset the origin and orientation of the deformation");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "factor", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -10.0, 10.0, 1.0, 3);
  RNA_def_property_ui_text(prop, "Factor", "Amount to deform object");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "angle", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, nullptr, "factor");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, DEG2RAD(-360.0), DEG2RAD(360.0), 10.0, 3);
  RNA_def_property_ui_text(prop, "Angle", "Angle of deformation");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "limits", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "limit");
  RNA_def_property_array(prop, 2);
  RNA_def_property_range(prop, 0, 1);
  RNA_def_property_ui_range(prop, 0, 1, 5, 2);
  RNA_def_property_ui_text(prop, "Limits", "Lower/Upper limits for deform");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "lock_x", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "axis", MOD_SIMPLEDEFORM_LOCK_AXIS_X);
  RNA_def_property_ui_text(prop, "X", "Do not allow deformation along the X axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "lock_y", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "axis", MOD_SIMPLEDEFORM_LOCK_AXIS_Y);
  RNA_def_property_ui_text(prop, "Y", "Do not allow deformation along the Y axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "lock_z", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "axis", MOD_SIMPLEDEFORM_LOCK_AXIS_Z);
  RNA_def_property_ui_text(prop, "Z", "Do not allow deformation along the Z axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SIMPLEDEFORM_FLAG_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_surface(BlenderRNA *brna)
{
  StructRNA *srna;
 
  srna = RNA_def_struct(brna, "SurfaceModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna,
      "Surface Modifier",
      "Surface modifier defining modifier stack position used for surface fields");
  RNA_def_struct_sdna(srna, "SurfaceModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_PHYSICS);
}
 
static void rna_def_modifier_solidify(BlenderRNA *brna)
{
  static const EnumPropertyItem mode_items[] = {
      {MOD_SOLIDIFY_MODE_EXTRUDE,
       "EXTRUDE",
       0,
       "Simple",
       "Output a solidified version of a mesh by simple extrusion"},
      {MOD_SOLIDIFY_MODE_NONMANIFOLD,
       "NON_MANIFOLD",
       0,
       "Complex",
       "Output a manifold mesh even if the base mesh is non-manifold, "
       "where edges have 3 or more connecting faces. "
       "This method is slower."},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem nonmanifold_thickness_mode_items[] = {
      {MOD_SOLIDIFY_NONMANIFOLD_OFFSET_MODE_FIXED,
       "FIXED",
       0,
       "Fixed",
       "Most basic thickness calculation"},
      {MOD_SOLIDIFY_NONMANIFOLD_OFFSET_MODE_EVEN,
       "EVEN",
       0,
       "Even",
       "Even thickness calculation which takes the angle between faces into account"},
      {MOD_SOLIDIFY_NONMANIFOLD_OFFSET_MODE_CONSTRAINTS,
       "CONSTRAINTS",
       0,
       "Constraints",
       "Thickness calculation using constraints, most advanced"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem nonmanifold_boundary_mode_items[] = {
      {MOD_SOLIDIFY_NONMANIFOLD_BOUNDARY_MODE_NONE, "NONE", 0, "None", "No shape correction"},
      {MOD_SOLIDIFY_NONMANIFOLD_BOUNDARY_MODE_ROUND,
       "ROUND",
       0,
       "Round",
       "Round open perimeter shape"},
      {MOD_SOLIDIFY_NONMANIFOLD_BOUNDARY_MODE_FLAT,
       "FLAT",
       0,
       "Flat",
       "Flat open perimeter shape"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "SolidifyModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna, "Solidify Modifier", "Create a solid skin, compensating for sharp angles");
  RNA_def_struct_sdna(srna, "SolidifyModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_SOLIDIFY);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "solidify_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "mode");
  RNA_def_property_enum_items(prop, mode_items);
  RNA_def_property_ui_text(prop, "Mode", "Selects the used algorithm");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "thickness", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "offset");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -10, 10, 0.1, 4);
  RNA_def_property_ui_text(prop, "Thickness", "Thickness of the shell");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "thickness_clamp", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "offset_clamp");
  RNA_def_property_range(prop, 0, 100.0);
  RNA_def_property_ui_range(prop, 0, 2.0, 0.1, 4);
  RNA_def_property_ui_text(prop, "Clamp", "Offset clamp based on geometry scale");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_thickness_angle_clamp", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SOLIDIFY_OFFSET_ANGLE_CLAMP);
  RNA_def_property_ui_text(prop, "Angle Clamp", "Clamp thickness based on angles");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "thickness_vertex_group", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "offset_fac_vg");
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_range(prop, 0, 1, 0.1, 3);
  RNA_def_property_ui_text(
      prop, "Vertex Group Factor", "Thickness factor to use for zero vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "offset", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "offset_fac");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -1, 1, 0.1, 4);
  RNA_def_property_ui_text(prop, "Offset", "Offset the thickness from the center");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "edge_crease_inner", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "crease_inner");
  RNA_def_property_range(prop, 0, 1);
  RNA_def_property_ui_range(prop, 0, 1, 0.1, 3);
  RNA_def_property_ui_text(prop, "Inner Crease", "Assign a crease to inner edges");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "edge_crease_outer", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "crease_outer");
  RNA_def_property_range(prop, 0, 1);
  RNA_def_property_ui_range(prop, 0, 1, 0.1, 3);
  RNA_def_property_ui_text(prop, "Outer Crease", "Assign a crease to outer edges");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "edge_crease_rim", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "crease_rim");
  RNA_def_property_range(prop, 0, 1);
  RNA_def_property_ui_range(prop, 0, 1, 0.1, 3);
  RNA_def_property_ui_text(prop, "Rim Crease", "Assign a crease to the edges making up the rim");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "material_offset", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "mat_ofs");
  RNA_def_property_range(prop, SHRT_MIN, SHRT_MAX);
  RNA_def_property_ui_text(prop, "Material Offset", "Offset material index of generated faces");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "material_offset_rim", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "mat_ofs_rim");
  RNA_def_property_range(prop, SHRT_MIN, SHRT_MAX);
  RNA_def_property_ui_text(
      prop, "Rim Material Offset", "Offset material index of generated rim faces");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_SolidifyModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "shell_vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "shell_defgrp_name");
  RNA_def_property_ui_text(prop,
                           "Shell Vertex Group",
                           "Vertex group that the generated shell geometry will be weighted to");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_SolidifyModifier_shell_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "rim_vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "rim_defgrp_name");
  RNA_def_property_ui_text(prop,
                           "Rim Vertex Group",
                           "Vertex group that the generated rim geometry will be weighted to");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_SolidifyModifier_rim_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_rim", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SOLIDIFY_RIM);
  RNA_def_property_ui_text(prop,
                           "Fill Rim",
                           "Create edge loops between the inner and outer surfaces on face edges "
                           "(slow, disable when not needed)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_even_offset", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SOLIDIFY_EVEN);
  RNA_def_property_ui_text(
      prop,
      "Even Thickness",
      "Maintain thickness by adjusting for sharp corners (slow, disable when not needed)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_quality_normals", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SOLIDIFY_NORMAL_CALC);
  RNA_def_property_ui_text(
      prop,
      "High Quality Normals",
      "Calculate normals which result in more even thickness (slow, disable when not needed)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SOLIDIFY_VGROUP_INV);
  RNA_def_property_ui_text(prop, "Vertex Group Invert", "Invert the vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_flat_faces", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SOLIDIFY_NONMANIFOLD_FLAT_FACES);
  RNA_def_property_ui_text(prop,
                           "Flat Faces",
                           "Make faces use the minimal vertex weight assigned to their vertices "
                           "(ensures new faces remain parallel to their original ones, slow, "
                           "disable when not needed)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_flip_normals", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SOLIDIFY_FLIP);
  RNA_def_property_ui_text(prop, "Flip Normals", "Invert the face direction");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_rim_only", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SOLIDIFY_NOSHELL);
  RNA_def_property_ui_text(prop, "Only Rim", "Only add the rim to the original data");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* Settings for #MOD_SOLIDIFY_MODE_NONMANIFOLD */
  prop = RNA_def_property(srna, "nonmanifold_thickness_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "nonmanifold_offset_mode");
  RNA_def_property_enum_items(prop, nonmanifold_thickness_mode_items);
  RNA_def_property_ui_text(prop, "Thickness Mode", "Selects the used thickness algorithm");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "nonmanifold_boundary_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, nonmanifold_boundary_mode_items);
  RNA_def_property_ui_text(prop, "Boundary Shape", "Selects the boundary adjustment algorithm");
  RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_MESH);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "nonmanifold_merge_threshold", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "merge_tolerance");
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_range(prop, 0.0, 1.0, 0.01, 4);
  RNA_def_property_ui_text(
      prop, "Merge Threshold", "Distance within which degenerated geometry is merged");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "bevel_convex", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "bevel_convex");
  RNA_def_property_range(prop, -1.0, 1.0);
  RNA_def_property_ui_range(prop, -1.0, 1.0, 0.1, 3);
  RNA_def_property_ui_text(prop, "Bevel Convex", "Edge bevel weight to be added to outside edges");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_screw(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "ScrewModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Screw Modifier", "Revolve edges");
  RNA_def_struct_sdna(srna, "ScrewModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_SCREW);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "ob_axis");
  RNA_def_property_ui_text(prop, "Object", "Object to define the screw axis");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "steps", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_range(prop, 1, 10000);
  RNA_def_property_ui_range(prop, 1, 512, 1, -1);
  RNA_def_property_ui_text(prop, "Steps", "Number of steps in the revolution");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "render_steps", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_range(prop, 1, 10000);
  RNA_def_property_ui_range(prop, 1, 512, 1, -1);
  RNA_def_property_ui_text(prop, "Render Steps", "Number of steps in the revolution");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "iterations", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "iter");
  RNA_def_property_range(prop, 1, 10000);
  RNA_def_property_ui_range(prop, 1, 100, 1, -1);
  RNA_def_property_ui_text(prop, "Iterations", "Number of times to apply the screw operation");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "axis", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, rna_enum_axis_xyz_items);
  RNA_def_property_ui_text(prop, "Axis", "Screw axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "angle", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_ui_range(prop, -M_PI * 2, M_PI * 2, 10, -1);
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_text(prop, "Angle", "Angle of revolution");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "screw_offset", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "screw_ofs");
  RNA_def_property_ui_text(prop, "Screw", "Offset the revolution along its axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "merge_threshold", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "merge_dist");
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 1, 1, 4);
  RNA_def_property_ui_text(prop, "Merge Distance", "Limit below which to merge vertices");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_normal_flip", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SCREW_NORMAL_FLIP);
  RNA_def_property_ui_text(prop, "Flip", "Flip normals of lathed faces");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_normal_calculate", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SCREW_NORMAL_CALC);
  RNA_def_property_ui_text(
      prop, "Calculate Order", "Calculate the order of edges (needed for meshes, but not curves)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_object_screw_offset", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SCREW_OBJECT_OFFSET);
  RNA_def_property_ui_text(
      prop, "Object Screw", "Use the distance between the objects to make a screw");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* Vertex merging parameters */
  prop = RNA_def_property(srna, "use_merge_vertices", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SCREW_MERGE);
  RNA_def_property_ui_text(
      prop, "Merge Vertices", "Merge adjacent vertices (screw offset must be zero)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_smooth_shade", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SCREW_SMOOTH_SHADING);
  RNA_def_property_ui_text(
      prop, "Smooth Shading", "Output faces with smooth shading rather than flat shaded");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_stretch_u", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SCREW_UV_STRETCH_U);
  RNA_def_property_ui_text(
      prop, "Stretch U", "Stretch the U coordinates between 0 and 1 when UVs are present");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_stretch_v", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SCREW_UV_STRETCH_V);
  RNA_def_property_ui_text(
      prop, "Stretch V", "Stretch the V coordinates between 0 and 1 when UVs are present");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
#  if 0
  prop = RNA_def_property(srna, "use_angle_object", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SCREW_OBJECT_ANGLE);
  RNA_def_property_ui_text(
      prop, "Object Angle", "Use the angle between the objects rather than the fixed angle");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
#  endif
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_uvwarp(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "UVWarpModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "UVWarp Modifier", "Add target position to UV coordinates");
  RNA_def_struct_sdna(srna, "UVWarpModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_UVPROJECT);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "axis_u", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "axis_u");
  RNA_def_property_enum_items(prop, rna_enum_axis_xyz_items);
  RNA_def_property_ui_text(prop, "U-Axis", "Pole axis for rotation");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "axis_v", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "axis_v");
  RNA_def_property_enum_items(prop, rna_enum_axis_xyz_items);
  RNA_def_property_ui_text(prop, "V-Axis", "Pole axis for rotation");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "center", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "center");
  RNA_def_property_ui_text(prop, "UV Center", "Center point for rotate/scale");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "offset", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "offset");
  RNA_def_property_ui_text(prop, "Offset", "2D Offset for the warp");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "scale", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "scale");
  RNA_def_property_ui_text(prop, "Scale", "2D Scale for the warp");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "rotation", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, nullptr, "rotation");
  RNA_def_property_ui_text(prop, "Rotation", "2D Rotation for the warp");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "object_from", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "object_src");
  RNA_def_property_ui_text(prop, "Object From", "Object defining offset");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "bone_from", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "bone_src");
  RNA_def_property_ui_text(prop, "Bone From", "Bone defining offset");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "object_to", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "object_dst");
  RNA_def_property_ui_text(prop, "Object To", "Object defining offset");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "bone_to", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "bone_dst");
  RNA_def_property_ui_text(prop, "Bone To", "Bone defining offset");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "vgroup_name");
  RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_UVWarpModifier_vgroup_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_UVWARP_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "uv_layer", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "uvlayer_name");
  RNA_def_property_ui_text(prop, "UV Map", "UV map name");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_UVWarpModifier_uvlayer_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_weightvg_mask(BlenderRNA * /*brna*/,
                                           StructRNA *srna,
                                           const char *mask_flags,
                                           const int invert_vgroup_mask_flag,
                                           const char *mask_vgroup_setter,
                                           const char *mask_uvlayer_setter)
{
  static const EnumPropertyItem weightvg_mask_tex_map_items[] = {
      {MOD_DISP_MAP_LOCAL, "LOCAL", 0, "Local", "Use local generated coordinates"},
      {MOD_DISP_MAP_GLOBAL, "GLOBAL", 0, "Global", "Use global coordinates"},
      {MOD_DISP_MAP_OBJECT,
       "OBJECT",
       0,
       "Object",
       "Use local generated coordinates of another object"},
      {MOD_DISP_MAP_UV, "UV", 0, "UV", "Use coordinates from a UV layer"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem weightvg_mask_tex_used_items[] = {
      {MOD_WVG_MASK_TEX_USE_INT, "INT", 0, "Intensity", ""},
      {MOD_WVG_MASK_TEX_USE_RED, "RED", 0, "Red", ""},
      {MOD_WVG_MASK_TEX_USE_GREEN, "GREEN", 0, "Green", ""},
      {MOD_WVG_MASK_TEX_USE_BLUE, "BLUE", 0, "Blue", ""},
      {MOD_WVG_MASK_TEX_USE_HUE, "HUE", 0, "Hue", ""},
      {MOD_WVG_MASK_TEX_USE_SAT, "SAT", 0, "Saturation", ""},
      {MOD_WVG_MASK_TEX_USE_VAL, "VAL", 0, "Value", ""},
      {MOD_WVG_MASK_TEX_USE_ALPHA, "ALPHA", 0, "Alpha", ""},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  PropertyRNA *prop;
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "mask_constant", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, 1.0, 1, -1);
  RNA_def_property_ui_text(
      prop, "Influence", "Global influence of current modifications on vgroup");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mask_vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "mask_defgrp_name");
  RNA_def_property_ui_text(prop, "Mask Vertex Group", "Masking vertex group name");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, mask_vgroup_setter);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_mask_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, mask_flags, invert_vgroup_mask_flag);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group mask influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mask_texture", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Masking Tex", "Masking texture");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "mask_tex_use_channel", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, weightvg_mask_tex_used_items);
  RNA_def_property_ui_text(prop, "Use Channel", "Which texture channel to use for masking");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mask_tex_mapping", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, weightvg_mask_tex_map_items);
  RNA_def_property_ui_text(prop,
                           "Texture Coordinates",
                           "Which texture coordinates "
                           "to use for mapping");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "mask_tex_uv_layer", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "mask_tex_uvlayer_name");
  RNA_def_property_ui_text(prop, "UV Map", "UV map name");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, mask_uvlayer_setter);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mask_tex_map_object", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "mask_tex_map_obj");
  RNA_def_property_ui_text(prop,
                           "Texture Coordinate Object",
                           "Which object to take texture "
                           "coordinates from");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "mask_tex_map_bone", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "mask_tex_map_bone");
  RNA_def_property_ui_text(
      prop, "Texture Coordinate Bone", "Which bone to take texture coordinates from");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_weightvgedit(BlenderRNA *brna)
{
  static const EnumPropertyItem weightvg_edit_falloff_type_items[] = {
      {MOD_WVG_MAPPING_NONE, "LINEAR", ICON_LINCURVE, "Linear", "Null action"},
      {MOD_WVG_MAPPING_CURVE, "CURVE", ICON_RNDCURVE, "Custom Curve", ""},
      {MOD_WVG_MAPPING_SHARP, "SHARP", ICON_SHARPCURVE, "Sharp", ""},
      {MOD_WVG_MAPPING_SMOOTH, "SMOOTH", ICON_SMOOTHCURVE, "Smooth", ""},
      {MOD_WVG_MAPPING_ROOT, "ROOT", ICON_ROOTCURVE, "Root", ""},
      {MOD_WVG_MAPPING_SPHERE, "ICON_SPHERECURVE", ICON_SPHERECURVE, "Sphere", ""},
      {MOD_WVG_MAPPING_RANDOM, "RANDOM", ICON_RNDCURVE, "Random", ""},
      {MOD_WVG_MAPPING_STEP,
       "STEP",
       ICON_IPO_CONSTANT,
       "Median Step",
       "Map all values below 0.5 to 0.0, and all others to 1.0"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "VertexWeightEditModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna, "WeightVG Edit Modifier", "Edit the weights of vertices in a group");
  RNA_def_struct_sdna(srna, "WeightVGEditModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_VERTEX_WEIGHT);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_WeightVGEditModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "falloff_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, weightvg_edit_falloff_type_items);
  RNA_def_property_ui_text(prop, "Falloff Type", "How weights are mapped to their new values");
  RNA_def_property_translation_context(prop,
                                       BLT_I18NCONTEXT_ID_CURVE_LEGACY); /* Abusing id_curve :/ */
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_falloff", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "edit_flags", MOD_WVG_INVERT_FALLOFF);
  RNA_def_property_ui_text(prop, "Invert Falloff", "Invert the resulting falloff weight");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "normalize", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "edit_flags", MOD_WVG_EDIT_WEIGHTS_NORMALIZE);
  RNA_def_property_ui_text(
      prop,
      "Normalize Weights",
      "Normalize the resulting weights (otherwise they are only clamped within 0.0 to 1.0 range)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "map_curve", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "cmap_curve");
  RNA_def_property_ui_text(prop, "Mapping Curve", "Custom mapping curve");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_add", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "edit_flags", MOD_WVG_EDIT_ADD2VG);
  RNA_def_property_ui_text(prop,
                           "Group Add",
                           "Add vertices with weight over threshold "
                           "to vgroup");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_remove", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "edit_flags", MOD_WVG_EDIT_REMFVG);
  RNA_def_property_ui_text(prop,
                           "Group Remove",
                           "Remove vertices with weight below threshold "
                           "from vgroup");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "default_weight", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_range(prop, 0.0, 1.0f);
  RNA_def_property_ui_range(prop, 0.0, 1.0, 1, -1);
  RNA_def_property_ui_text(prop,
                           "Default Weight",
                           "Default weight a vertex will have if "
                           "it is not in the vgroup");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "add_threshold", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "add_threshold");
  RNA_def_property_range(prop, -1000.0, 1000.0);
  RNA_def_property_ui_range(prop, 0.0, 1.0, 1, -1);
  RNA_def_property_ui_text(prop,
                           "Add Threshold",
                           "Lower (inclusive) bound for a vertex's weight "
                           "to be added to the vgroup");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "remove_threshold", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "rem_threshold");
  RNA_def_property_range(prop, -1000.0, 1000.0);
  RNA_def_property_ui_range(prop, 0.0, 1.0, 1, -1);
  RNA_def_property_ui_text(prop,
                           "Remove Threshold",
                           "Upper (inclusive) bound for a vertex's weight "
                           "to be removed from the vgroup");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
 
  /* Common masking properties. */
  rna_def_modifier_weightvg_mask(brna,
                                 srna,
                                 "edit_flags",
                                 MOD_WVG_EDIT_INVERT_VGROUP_MASK,
                                 "rna_WeightVGEditModifier_mask_defgrp_name_set",
                                 "rna_WeightVGEditModifier_mask_tex_uvlayer_name_set");
}
 
static void rna_def_modifier_weightvgmix(BlenderRNA *brna)
{
  static const EnumPropertyItem weightvg_mix_modes_items[] = {
      {MOD_WVG_MIX_SET, "SET", 0, "Replace", "Replace VGroup A's weights by VGroup B's ones"},
      {MOD_WVG_MIX_ADD, "ADD", 0, "Add", "Add VGroup B's weights to VGroup A's ones"},
      {MOD_WVG_MIX_SUB, "SUB", 0, "Subtract", "Subtract VGroup B's weights from VGroup A's ones"},
      {MOD_WVG_MIX_MUL, "MUL", 0, "Multiply", "Multiply VGroup A's weights by VGroup B's ones"},
      {MOD_WVG_MIX_DIV, "DIV", 0, "Divide", "Divide VGroup A's weights by VGroup B's ones"},
      {MOD_WVG_MIX_DIF,
       "DIF",
       0,
       "Difference",
       "Difference between VGroup A's and VGroup B's weights"},
      {MOD_WVG_MIX_AVG, "AVG", 0, "Average", "Average value of VGroup A's and VGroup B's weights"},
      {MOD_WVG_MIX_MIN, "MIN", 0, "Minimum", "Minimum of VGroup A's and VGroup B's weights"},
      {MOD_WVG_MIX_MAX, "MAX", 0, "Maximum", "Maximum of VGroup A's and VGroup B's weights"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem weightvg_mix_set_items[] = {
      {MOD_WVG_SET_ALL, "ALL", 0, "All", "Affect all vertices (might add some to VGroup A)"},
      {MOD_WVG_SET_A, "A", 0, "VGroup A", "Affect vertices in VGroup A"},
      {MOD_WVG_SET_B,
       "B",
       0,
       "VGroup B",
       "Affect vertices in VGroup B (might add some to VGroup A)"},
      {MOD_WVG_SET_OR,
       "OR",
       0,
       "VGroup A or B",
       "Affect vertices in at least one of both VGroups (might add some to VGroup A)"},
      {MOD_WVG_SET_AND, "AND", 0, "VGroup A and B", "Affect vertices in both groups"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "VertexWeightMixModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "WeightVG Mix Modifier", "Mix the weights of two vertex groups");
  RNA_def_struct_sdna(srna, "WeightVGMixModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_VERTEX_WEIGHT);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "vertex_group_a", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name_a");
  RNA_def_property_ui_text(prop, "Vertex Group A", "First vertex group name");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_WeightVGMixModifier_defgrp_name_a_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group_b", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name_b");
  RNA_def_property_ui_text(prop, "Vertex Group B", "Second vertex group name");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_WeightVGMixModifier_defgrp_name_b_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group_a", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WVG_MIX_INVERT_VGROUP_A);
  RNA_def_property_ui_text(prop, "Invert Weights A", "Invert the influence of vertex group A");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group_b", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WVG_MIX_INVERT_VGROUP_B);
  RNA_def_property_ui_text(prop, "Invert Weights B", "Invert the influence of vertex group B");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "default_weight_a", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_range(prop, 0.0, 1.0f);
  RNA_def_property_ui_range(prop, 0.0, 1.0, 1, -1);
  RNA_def_property_ui_text(prop,
                           "Default Weight A",
                           "Default weight a vertex will have if "
                           "it is not in the first A vgroup");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "default_weight_b", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_range(prop, 0.0, 1.0f);
  RNA_def_property_ui_range(prop, 0.0, 1.0, 1, -1);
  RNA_def_property_ui_text(prop,
                           "Default Weight B",
                           "Default weight a vertex will have if "
                           "it is not in the second B vgroup");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mix_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, weightvg_mix_modes_items);
  RNA_def_property_ui_text(prop,
                           "Mix Mode",
                           "How weights from vgroup B affect weights "
                           "of vgroup A");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mix_set", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, weightvg_mix_set_items);
  RNA_def_property_ui_text(prop, "Vertex Set", "Which vertices should be affected");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "normalize", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WVG_MIX_WEIGHTS_NORMALIZE);
  RNA_def_property_ui_text(
      prop,
      "Normalize Weights",
      "Normalize the resulting weights (otherwise they are only clamped within 0.0 to 1.0 range)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
 
  /* Common masking properties. */
  rna_def_modifier_weightvg_mask(brna,
                                 srna,
                                 "flag",
                                 MOD_WVG_MIX_INVERT_VGROUP_MASK,
                                 "rna_WeightVGMixModifier_mask_defgrp_name_set",
                                 "rna_WeightVGMixModifier_mask_tex_uvlayer_name_set");
}
 
static void rna_def_modifier_weightvgproximity(BlenderRNA *brna)
{
  static const EnumPropertyItem weightvg_proximity_modes_items[] = {
      {MOD_WVG_PROXIMITY_OBJECT,
       "OBJECT",
       0,
       "Object",
       "Use distance between affected and target objects"},
      {MOD_WVG_PROXIMITY_GEOMETRY,
       "GEOMETRY",
       0,
       "Geometry",
       "Use distance between affected object's vertices and target "
       "object, or target object's geometry"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem proximity_geometry_items[] = {
      {MOD_WVG_PROXIMITY_GEOM_VERTS, "VERTEX", 0, "Vertex", "Compute distance to nearest vertex"},
      {MOD_WVG_PROXIMITY_GEOM_EDGES, "EDGE", 0, "Edge", "Compute distance to nearest edge"},
      {MOD_WVG_PROXIMITY_GEOM_FACES, "FACE", 0, "Face", "Compute distance to nearest face"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem weightvg_proximity_falloff_type_items[] = {
      {MOD_WVG_MAPPING_NONE, "LINEAR", ICON_LINCURVE, "Linear", "Null action"},
      {MOD_WVG_MAPPING_CURVE, "CURVE", ICON_RNDCURVE, "Custom Curve", ""},
      {MOD_WVG_MAPPING_SHARP, "SHARP", ICON_SHARPCURVE, "Sharp", ""},
      {MOD_WVG_MAPPING_SMOOTH, "SMOOTH", ICON_SMOOTHCURVE, "Smooth", ""},
      {MOD_WVG_MAPPING_ROOT, "ROOT", ICON_ROOTCURVE, "Root", ""},
      {MOD_WVG_MAPPING_SPHERE, "ICON_SPHERECURVE", ICON_SPHERECURVE, "Sphere", ""},
      {MOD_WVG_MAPPING_RANDOM, "RANDOM", ICON_RNDCURVE, "Random", ""},
      {MOD_WVG_MAPPING_STEP,
       "STEP",
       ICON_IPO_CONSTANT,
       "Median Step",
       "Map all values below 0.5 to 0.0, and all others to 1.0"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "VertexWeightProximityModifier", "Modifier");
  RNA_def_struct_ui_text(srna,
                         "WeightVG Proximity Modifier",
                         "Set the weights of vertices in a group from a target object's "
                         "distance");
  RNA_def_struct_sdna(srna, "WeightVGProximityModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_VERTEX_WEIGHT);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_WeightVGProximityModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "proximity_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, weightvg_proximity_modes_items);
  RNA_def_property_enum_default(prop, MOD_WVG_PROXIMITY_GEOMETRY);
  RNA_def_property_ui_text(prop, "Proximity Mode", "Which distances to target object to use");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "proximity_geometry", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "proximity_flags");
  RNA_def_property_enum_items(prop, proximity_geometry_items);
  RNA_def_property_flag(prop, PROP_ENUM_FLAG); /* important to run before default set */
  RNA_def_property_enum_default(prop, MOD_WVG_PROXIMITY_GEOM_FACES);
  RNA_def_property_enum_funcs(
      prop, nullptr, "rna_VertexWeightProximityModifier_proximity_geometry_set", nullptr);
  RNA_def_property_ui_text(prop,
                           "Proximity Geometry",
                           "Use the shortest computed distance to target object's geometry "
                           "as weight");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "target", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "proximity_ob_target");
  RNA_def_property_ui_text(prop, "Target Object", "Object to calculate vertices distances from");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "min_dist", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, 1000.0, 10, -1);
  RNA_def_property_ui_text(prop, "Lowest", "Distance mapping to weight 0.0");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "max_dist", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, 1000.0, 10, -1);
  RNA_def_property_ui_text(prop, "Highest", "Distance mapping to weight 1.0");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "falloff_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, weightvg_proximity_falloff_type_items);
  RNA_def_property_ui_text(prop, "Falloff Type", "How weights are mapped to their new values");
  RNA_def_property_translation_context(prop,
                                       BLT_I18NCONTEXT_ID_CURVE_LEGACY); /* Abusing id_curve :/ */
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_falloff", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "proximity_flags", MOD_WVG_PROXIMITY_INVERT_FALLOFF);
  RNA_def_property_ui_text(prop, "Invert Falloff", "Invert the resulting falloff weight");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "normalize", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "proximity_flags", MOD_WVG_PROXIMITY_WEIGHTS_NORMALIZE);
  RNA_def_property_ui_text(
      prop,
      "Normalize Weights",
      "Normalize the resulting weights (otherwise they are only clamped within 0.0 to 1.0 range)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "map_curve", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "cmap_curve");
  RNA_def_property_ui_text(prop, "Mapping Curve", "Custom mapping curve");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
 
  /* Common masking properties. */
  rna_def_modifier_weightvg_mask(brna,
                                 srna,
                                 "proximity_flags",
                                 MOD_WVG_PROXIMITY_INVERT_VGROUP_MASK,
                                 "rna_WeightVGProximityModifier_mask_defgrp_name_set",
                                 "rna_WeightVGProximityModifier_mask_tex_uvlayer_name_set");
}
 
static void rna_def_modifier_remesh(BlenderRNA *brna)
{
  static const EnumPropertyItem mode_items[] = {
      {MOD_REMESH_CENTROID, "BLOCKS", 0, "Blocks", "Output a blocky surface with no smoothing"},
      {MOD_REMESH_MASS_POINT,
       "SMOOTH",
       0,
       "Smooth",
       "Output a smooth surface with no sharp-features detection"},
      {MOD_REMESH_SHARP_FEATURES,
       "SHARP",
       0,
       "Sharp",
       "Output a surface that reproduces sharp edges and corners from the input mesh"},
      {MOD_REMESH_VOXEL,
       "VOXEL",
       0,
       "Voxel",
       "Output a mesh corresponding to the volume of the original mesh"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "RemeshModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna,
      "Remesh Modifier",
      "Generate a new surface with regular topology that follows the shape of the input mesh");
  RNA_def_struct_sdna(srna, "RemeshModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_REMESH);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, mode_items);
  RNA_def_property_ui_text(prop, "Mode", "");
  RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_MODIFIER);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "scale", PROP_FLOAT, PROP_NONE);
  RNA_def_property_ui_range(prop, 0, 0.99, 0.01, 3);
  RNA_def_property_range(prop, 0, 0.99);
  RNA_def_property_ui_text(
      prop, "Scale", "The ratio of the largest dimension of the model over the size of the grid");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "threshold", PROP_FLOAT, PROP_NONE);
  RNA_def_property_ui_range(prop, 0, 1, 0.1, 3);
  RNA_def_property_range(prop, 0, 1);
  RNA_def_property_ui_text(
      prop,
      "Threshold",
      "If removing disconnected pieces, minimum size of components to preserve as a ratio "
      "of the number of polygons in the largest component");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "octree_depth", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "depth");
  RNA_def_property_range(prop, 1, 24);
  RNA_def_property_ui_range(prop, 1, 12, 1, 3);
  RNA_def_property_ui_text(
      prop, "Octree Depth", "Resolution of the octree; higher values give finer details");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "sharpness", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "hermite_num");
  RNA_def_property_ui_range(prop, 0, 2, 0.1, 3);
  RNA_def_property_ui_text(
      prop,
      "Sharpness",
      "Tolerance for outliers; lower values filter noise while higher values will reproduce "
      "edges closer to the input");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* NOTE: allow zero (which skips computation), to avoid zero clamping
   * to a small value which is likely to run out of memory, see: #130526. */
  prop = RNA_def_property(srna, "voxel_size", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "voxel_size");
  RNA_def_property_range(prop, 0.0f, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0001, 2, 0.1, 3);
  RNA_def_property_ui_scale_type(prop, PROP_SCALE_LOG);
  RNA_def_property_ui_text(prop,
                           "Voxel Size",
                           "Size of the voxel in object space used for volume evaluation. Lower "
                           "values preserve finer details.");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "adaptivity", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "adaptivity");
  RNA_def_property_ui_range(prop, 0, 1, 0.1, 3);
  RNA_def_property_ui_text(
      prop,
      "Adaptivity",
      "Reduces the final face count by simplifying geometry where detail is not needed, "
      "generating triangles. A value greater than 0 disables Fix Poles.");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_remove_disconnected", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_REMESH_FLOOD_FILL);
  RNA_def_property_ui_text(prop, "Remove Disconnected", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_smooth_shade", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_REMESH_SMOOTH_SHADING);
  RNA_def_property_ui_text(
      prop, "Smooth Shading", "Output faces with smooth shading rather than flat shaded");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_ocean(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem geometry_items[] = {
    {MOD_OCEAN_GEOM_GENERATE,
     "GENERATE",
     0,
     "Generate",
     "Generate ocean surface geometry at the specified resolution"},
    {MOD_OCEAN_GEOM_DISPLACE,
     "DISPLACE",
     0,
     "Displace",
     "Displace existing geometry according to simulation"},
#  if 0
    {MOD_OCEAN_GEOM_SIM_ONLY,
     "SIM_ONLY",
     0,
     "Sim Only",
     "Leaves geometry unchanged, but still runs simulation (to be used from texture)"},
#  endif
    {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem spectrum_items[] = {
      {MOD_OCEAN_SPECTRUM_PHILLIPS,
       "PHILLIPS",
       0,
       "Turbulent Ocean",
       "Use for turbulent seas with foam"},
      {MOD_OCEAN_SPECTRUM_PIERSON_MOSKOWITZ,
       "PIERSON_MOSKOWITZ",
       0,
       "Established Ocean",
       "Use for a large area, established ocean (Pierson-Moskowitz method)"},
      {MOD_OCEAN_SPECTRUM_JONSWAP,
       "JONSWAP",
       0,
       "Established Ocean (Sharp Peaks)",
       "Use for established oceans ('JONSWAP', Pierson-Moskowitz method) with peak sharpening"},
      {MOD_OCEAN_SPECTRUM_TEXEL_MARSEN_ARSLOE,
       "TEXEL_MARSEN_ARSLOE",
       0,
       "Shallow Water",
       "Use for shallow water ('JONSWAP', 'TMA' - Texel-Marsen-Arsloe method)"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "OceanModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Ocean Modifier", "Simulate an ocean surface");
  RNA_def_struct_sdna(srna, "OceanModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_OCEAN);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "geometry_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "geometry_mode");
  RNA_def_property_enum_items(prop, geometry_items);
  RNA_def_property_ui_text(prop, "Geometry", "Method of modifying geometry");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "size", PROP_FLOAT, PROP_UNSIGNED);
  RNA_def_property_float_sdna(prop, nullptr, "size");
  RNA_def_property_ui_text(
      prop, "Size", "Surface scale factor (does not affect the height of the waves)");
  RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, -1);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "repeat_x", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "repeat_x");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_range(prop, 1, 1024);
  RNA_def_property_ui_range(prop, 1, 100, 1, -1);
  RNA_def_property_ui_text(prop, "Repeat X", "Repetitions of the generated surface in X");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "repeat_y", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "repeat_y");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_range(prop, 1, 1024);
  RNA_def_property_ui_range(prop, 1, 100, 1, -1);
  RNA_def_property_ui_text(prop, "Repeat Y", "Repetitions of the generated surface in Y");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_normals", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_OCEAN_GENERATE_NORMALS);
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(
      prop,
      "Generate Normals",
      "Output normals for bump mapping - disabling can speed up performance if it's not needed");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "use_foam", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_OCEAN_GENERATE_FOAM);
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(prop, "Generate Foam", "Generate foam mask as a vertex color channel");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "use_spray", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_OCEAN_GENERATE_SPRAY);
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(
      prop, "Generate Spray Map", "Generate map of spray direction as a vertex color channel");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "invert_spray", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_OCEAN_INVERT_SPRAY);
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(prop, "Invert Spray", "Invert the spray direction map");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "spray_layer_name", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "spraylayername");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(
      prop, "Spray Map", "Name of the vertex color layer used for the spray direction map");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "resolution", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "resolution");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_range(prop, 1, 1024);
  RNA_def_property_ui_range(prop, 1, 32, 1, -1);
  RNA_def_property_ui_text(
      prop, "Render Resolution", "Resolution of the generated surface for rendering and baking");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "viewport_resolution", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "viewport_resolution");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_range(prop, 1, 1024);
  RNA_def_property_ui_range(prop, 1, 32, 1, -1);
  RNA_def_property_ui_text(
      prop, "Viewport Resolution", "Viewport resolution of the generated surface");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "spatial_size", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "spatial_size");
  RNA_def_property_ui_range(prop, 1, 512, 2, -1);
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(
      prop,
      "Spatial Size",
      "Size of the simulation domain (in meters), and of the generated geometry (in BU)");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "wind_velocity", PROP_FLOAT, PROP_VELOCITY);
  RNA_def_property_float_sdna(prop, nullptr, "wind_velocity");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(prop, "Wind Velocity", "Wind speed");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "damping", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "damp");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(
      prop, "Damping", "Damp reflected waves going in opposite direction to the wind");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "wave_scale_min", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "smallest_wave");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_text(prop, "Smallest Wave", "Shortest allowed wavelength");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "wave_alignment", PROP_FLOAT, PROP_UNSIGNED);
  RNA_def_property_float_sdna(prop, nullptr, "wave_alignment");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_text(prop, "Wave Alignment", "How much the waves are aligned to each other");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "wave_direction", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, nullptr, "wave_direction");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(
      prop, "Wave Direction", "Main direction of the waves when they are (partially) aligned");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "wave_scale", PROP_FLOAT, PROP_UNSIGNED);
  RNA_def_property_float_sdna(prop, nullptr, "wave_scale");
  RNA_def_property_ui_text(prop, "Wave Scale", "Scale of the displacement effect");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "depth", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "depth");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(prop, "Depth", "Depth of the solid ground below the water surface");
  RNA_def_property_ui_range(prop, 0, 250, 1, -1);
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "foam_coverage", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "foam_coverage");
  RNA_def_property_ui_text(prop, "Foam Coverage", "Amount of generated foam");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "bake_foam_fade", PROP_FLOAT, PROP_UNSIGNED);
  RNA_def_property_float_sdna(prop, nullptr, "foam_fade");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(
      prop, "Foam Fade", "How much foam accumulates over time (baked ocean only)");
  RNA_def_property_ui_range(prop, 0.0, 10.0, 1, -1);
  RNA_def_property_update(prop, 0, nullptr);
 
  prop = RNA_def_property(srna, "foam_layer_name", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "foamlayername");
  RNA_def_property_ui_text(
      prop, "Foam Layer Name", "Name of the vertex color layer used for foam");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "choppiness", PROP_FLOAT, PROP_UNSIGNED);
  RNA_def_property_float_sdna(prop, nullptr, "chop_amount");
  RNA_def_property_ui_text(
      prop,
      "Choppiness",
      "Choppiness of the wave's crest (adds some horizontal component to the displacement)");
  RNA_def_property_ui_range(prop, 0.0, 4.0, 3, -1);
  RNA_def_property_float_funcs(prop, nullptr, "rna_OceanModifier_ocean_chop_set", nullptr);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "time", PROP_FLOAT, PROP_UNSIGNED);
  RNA_def_property_float_sdna(prop, nullptr, "time");
  RNA_def_property_ui_text(prop, "Time", "Current time of the simulation");
  RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, -1);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "spectrum", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "spectrum");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_enum_items(prop, spectrum_items);
  RNA_def_property_ui_text(prop, "Spectrum", "Spectrum to use");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "fetch_jonswap", PROP_FLOAT, PROP_UNSIGNED);
  RNA_def_property_float_sdna(prop, nullptr, "fetch_jonswap");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_text(
      prop,
      "Fetch",
      "This is the distance from a lee shore, "
      "called the fetch, or the distance over which the wind blows with constant velocity. "
      "Used by 'JONSWAP' and 'TMA' models.");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "sharpen_peak_jonswap", PROP_FLOAT, PROP_UNSIGNED);
  RNA_def_property_float_sdna(prop, nullptr, "sharpen_peak_jonswap");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_text(prop, "Sharpen peak", "Peak sharpening for 'JONSWAP' and 'TMA' models");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "random_seed", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "seed");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(prop, "Random Seed", "Seed of the random generator");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "frame_start", PROP_INT, PROP_TIME);
  RNA_def_property_int_sdna(prop, nullptr, "bakestart");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(prop, "Bake Start", "Start frame of the ocean baking");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "frame_end", PROP_INT, PROP_TIME);
  RNA_def_property_int_sdna(prop, nullptr, "bakeend");
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(prop, "Bake End", "End frame of the ocean baking");
  RNA_def_property_update(prop, 0, "rna_OceanModifier_init_update");
 
  prop = RNA_def_property(srna, "is_cached", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "cached", 1);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(
      prop, "Ocean is Cached", "Whether the ocean is using cached data or simulating");
 
  /* TODO: rename to `dirpath`. */
  prop = RNA_def_property(srna, "filepath", PROP_STRING, PROP_DIRPATH);
  RNA_def_property_string_sdna(prop, nullptr, "cachepath");
  RNA_def_property_flag(prop, PROP_PATH_SUPPORTS_BLEND_RELATIVE);
  RNA_def_property_ui_text(prop, "Cache Path", "Path to a folder to store external baked images");
  // RNA_def_property_update(prop, 0, "rna_Modifier_update");
  /* XXX how to update? */
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_skin(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "SkinModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Skin Modifier", "Generate Skin");
  RNA_def_struct_sdna(srna, "SkinModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_SKIN);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "branch_smoothing", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_ui_text(prop, "Branch Smoothing", "Smooth complex geometry around branches");
  RNA_def_property_ui_range(prop, 0, 1, 1, -1);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_smooth_shade", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_SKIN_SMOOTH_SHADING);
  RNA_def_property_ui_text(
      prop, "Smooth Shading", "Output faces with smooth shading rather than flat shaded");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_x_symmetry", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "symmetry_axes", MOD_SKIN_SYMM_X);
  RNA_def_property_ui_text(prop, "X", "Avoid making unsymmetrical quads across the X axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_y_symmetry", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "symmetry_axes", MOD_SKIN_SYMM_Y);
  RNA_def_property_ui_text(prop, "Y", "Avoid making unsymmetrical quads across the Y axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_z_symmetry", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "symmetry_axes", MOD_SKIN_SYMM_Z);
  RNA_def_property_ui_text(prop, "Z", "Avoid making unsymmetrical quads across the Z axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_triangulate(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "TriangulateModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Triangulate Modifier", "Triangulate Mesh");
  RNA_def_struct_sdna(srna, "TriangulateModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_TRIANGULATE);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "quad_method", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "quad_method");
  RNA_def_property_enum_items(prop, rna_enum_modifier_triangulate_quad_method_items);
  RNA_def_property_ui_text(prop, "Quad Method", "Method for splitting the quads into triangles");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "ngon_method", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "ngon_method");
  RNA_def_property_enum_items(prop, rna_enum_modifier_triangulate_ngon_method_items);
  RNA_def_property_ui_text(prop, "N-gon Method", "Method for splitting the n-gons into triangles");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "min_vertices", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "min_vertices");
  RNA_def_property_range(prop, 4, INT_MAX);
  RNA_def_property_ui_text(
      prop,
      "Minimum Vertices",
      "Triangulate only polygons with vertex count greater than or equal to this number");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "keep_custom_normals", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_TRIANGULATE_KEEP_CUSTOMLOOP_NORMALS);
  RNA_def_property_ui_text(
      prop,
      "Keep Normals",
      "Try to preserve custom normals.\n"
      "Warning: Depending on chosen triangulation method, "
      "shading may not be fully preserved, \"Fixed\" method usually gives the best result here");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_meshcache(BlenderRNA *brna)
{
  static const EnumPropertyItem prop_format_type_items[] = {
      {MOD_MESHCACHE_TYPE_MDD, "MDD", 0, "MDD", ""},
      {MOD_MESHCACHE_TYPE_PC2, "PC2", 0, "PC2", ""},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem prop_deform_mode_items[] = {
      {MOD_MESHCACHE_DEFORM_OVERWRITE,
       "OVERWRITE",
       0,
       "Overwrite",
       "Replace vertex coordinates with cached values"},
      {MOD_MESHCACHE_DEFORM_INTEGRATE,
       "INTEGRATE",
       0,
       "Integrate",
       "Integrate deformation from this modifier's input with the mesh-cache coordinates "
       "(useful for shape keys)"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem prop_interpolation_type_items[] = {
      {MOD_MESHCACHE_INTERP_NONE, "NONE", 0, "None", ""},
      {MOD_MESHCACHE_INTERP_LINEAR, "LINEAR", 0, "Linear", ""},
      /* for cardinal we'd need to read 4x cache's */
      // {MOD_MESHCACHE_INTERP_CARDINAL, "CARDINAL", 0, "Cardinal", ""},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem prop_time_type_items[] = {
      /* use 'eval_frame' */
      {MOD_MESHCACHE_TIME_FRAME,
       "FRAME",
       0,
       "Frame",
       "Control playback using a frame-number "
       "(ignoring time FPS and start frame from the file)"},
      /* use 'eval_time' */
      {MOD_MESHCACHE_TIME_SECONDS, "TIME", 0, "Time", "Control playback using time in seconds"},
      /* use 'eval_factor' */
      {MOD_MESHCACHE_TIME_FACTOR,
       "FACTOR",
       0,
       "Factor",
       "Control playback using a value between 0 and 1"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem prop_time_play_items[] = {
      {MOD_MESHCACHE_PLAY_CFEA, "SCENE", 0, "Scene", "Use the time from the scene"},
      {MOD_MESHCACHE_PLAY_EVAL, "CUSTOM", 0, "Custom", "Use the modifier's own time evaluation"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "MeshCacheModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Cache Modifier", "Cache Mesh");
  RNA_def_struct_sdna(srna, "MeshCacheModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_MESHDEFORM); /* XXX, needs own icon */
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "cache_format", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "type");
  RNA_def_property_enum_items(prop, prop_format_type_items);
  RNA_def_property_ui_text(prop, "Format", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "interpolation", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "interp");
  RNA_def_property_enum_items(prop, prop_interpolation_type_items);
  RNA_def_property_ui_text(prop, "Interpolation", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "time_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "time_mode");
  RNA_def_property_enum_items(prop, prop_time_type_items);
  RNA_def_property_ui_text(prop, "Time Mode", "Method to control playback time");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "play_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "play_mode");
  RNA_def_property_enum_items(prop, prop_time_play_items);
  RNA_def_property_ui_text(prop, "Play Mode", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "deform_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "deform_mode");
  RNA_def_property_enum_items(prop, prop_deform_mode_items);
  RNA_def_property_ui_text(prop, "Deform Mode", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "filepath", PROP_STRING, PROP_FILEPATH);
  RNA_def_property_ui_text(prop, "File Path", "Path to external displacements file");
  RNA_def_property_flag(prop, PROP_PATH_SUPPORTS_BLEND_RELATIVE);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "factor", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "factor");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Influence", "Influence of the deformation");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(
      prop,
      "Vertex Group",
      "Name of the Vertex Group which determines the influence of the modifier per point");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_MeshCacheModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_MESHCACHE_INVERT_VERTEX_GROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* -------------------------------------------------------------------- */
  /* Axis Conversion */
  prop = RNA_def_property(srna, "forward_axis", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "forward_axis");
  RNA_def_property_enum_items(prop, rna_enum_object_axis_items);
  RNA_def_property_ui_text(prop, "Forward", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "up_axis", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "up_axis");
  RNA_def_property_enum_items(prop, rna_enum_object_axis_items);
  RNA_def_property_ui_text(prop, "Up", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "flip_axis", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_bitset_array_sdna(
      prop, nullptr, "flip_axis", MOD_MESHCACHE_FLIP_AXIS_X, 3);
  RNA_def_property_ui_text(prop, "Flip Axis", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* -------------------------------------------------------------------- */
  /* For Scene time */
  prop = RNA_def_property(srna, "frame_start", PROP_FLOAT, PROP_TIME);
  RNA_def_property_float_sdna(prop, nullptr, "frame_start");
  RNA_def_property_range(prop, -MAXFRAME, MAXFRAME);
  RNA_def_property_ui_text(prop, "Frame Start", "Add this to the start frame");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "frame_scale", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "frame_scale");
  RNA_def_property_range(prop, 0.0f, 100.0f);
  RNA_def_property_ui_text(prop, "Frame Scale", "Evaluation time in seconds");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* -------------------------------------------------------------------- */
  /* eval values depend on 'time_mode' */
  prop = RNA_def_property(srna, "eval_frame", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "eval_frame");
  RNA_def_property_range(prop, MINFRAME, MAXFRAME);
  RNA_def_property_ui_text(prop, "Evaluation Frame", "The frame to evaluate (starting at 0)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "eval_time", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "eval_time");
  RNA_def_property_range(prop, 0.0f, FLT_MAX);
  RNA_def_property_ui_text(prop, "Evaluation Time", "Evaluation time in seconds");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "eval_factor", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "eval_factor");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Evaluation Factor", "Evaluation time in seconds");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_meshseqcache(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "MeshSequenceCacheModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Cache Modifier", "Cache Mesh");
  RNA_def_struct_sdna(srna, "MeshSeqCacheModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_MESHDEFORM); /* XXX, needs own icon */
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "cache_file", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "cache_file");
  RNA_def_property_struct_type(prop, "CacheFile");
  RNA_def_property_ui_text(prop, "Cache File", "");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "object_path", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(
      prop,
      "Object Path",
      "Path to the object in the Alembic archive used to lookup geometric data");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  static const EnumPropertyItem read_flag_items[] = {
      {MOD_MESHSEQ_READ_VERT, "VERT", 0, "Vertex", ""},
      {MOD_MESHSEQ_READ_POLY, "POLY", 0, "Faces", ""},
      {MOD_MESHSEQ_READ_UV, "UV", 0, "UV", ""},
      {MOD_MESHSEQ_READ_COLOR, "COLOR", 0, "Color", ""},
      {MOD_MESHSEQ_READ_ATTRIBUTES, "ATTRIBUTES", 0, "Attributes", ""},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  prop = RNA_def_property(srna, "read_data", PROP_ENUM, PROP_NONE);
  RNA_def_property_flag(prop, PROP_ENUM_FLAG);
  RNA_def_property_enum_sdna(prop, nullptr, "read_flag");
  RNA_def_property_enum_items(prop, read_flag_items);
  RNA_def_property_ui_text(prop, "Read Data", "Data to read from the cache");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_vertex_interpolation", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "read_flag", MOD_MESHSEQ_INTERPOLATE_VERTICES);
  RNA_def_property_ui_text(
      prop, "Vertex Interpolation", "Allow interpolation of vertex positions");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "velocity_scale", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "velocity_scale");
  RNA_def_property_range(prop, 0.0f, FLT_MAX);
  RNA_def_property_ui_text(
      prop,
      "Velocity Scale",
      "Multiplier used to control the magnitude of the velocity vectors for time effects");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_laplaciandeform(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "LaplacianDeformModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Laplacian Deform Modifier", "Mesh deform modifier");
  RNA_def_struct_sdna(srna, "LaplacianDeformModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_MESHDEFORM);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "anchor_grp_name");
  RNA_def_property_ui_text(
      prop, "Anchor Weights", "Name of Vertex Group which determines Anchors");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_LaplacianDeformModifier_anchor_grp_name_set");
 
  prop = RNA_def_property(srna, "iterations", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "repeat");
  RNA_def_property_ui_range(prop, 1, 50, 1, -1);
  RNA_def_property_ui_text(prop, "Repeat", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "is_bind", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_funcs(prop, "rna_LaplacianDeformModifier_is_bind_get", nullptr);
  RNA_def_property_ui_text(prop, "Bound", "Whether geometry has been bound to anchors");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_LAPLACIANDEFORM_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
 
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
}
 
static void rna_def_modifier_weld(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem mode_items[] = {
      {MOD_WELD_MODE_ALL, "ALL", 0, "All", "Full merge by distance"},
      {MOD_WELD_MODE_CONNECTED, "CONNECTED", 0, "Connected", "Only merge along the edges"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "WeldModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Weld Modifier", "Weld modifier");
  RNA_def_struct_sdna(srna, "WeldModifierData");
  RNA_def_struct_ui_icon(srna, ICON_AUTOMERGE_OFF);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, mode_items);
  RNA_def_property_ui_text(prop, "Mode", "Mode defines the merge rule");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "merge_threshold", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "merge_dist");
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 1, 0.001, 6);
  RNA_def_property_ui_text(prop, "Merge Distance", "Limit below which to merge vertices");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(
      prop, "Vertex Group", "Vertex group name for selecting the affected areas");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_WeldModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WELD_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "loose_edges", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WELD_LOOSE_EDGES);
  RNA_def_property_ui_text(
      prop, "Only Loose Edges", "Collapse edges without faces, cloth sewing edges");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_wireframe(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "WireframeModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Wireframe Modifier", "Wireframe effect modifier");
  RNA_def_struct_sdna(srna, "WireframeModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_WIREFRAME);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "thickness", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "offset");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0f, 1.0f, 0.01, 4);
  RNA_def_property_ui_text(prop, "Thickness", "Thickness factor");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "thickness_vertex_group", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "offset_fac_vg");
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_range(prop, 0, 1, 0.1, 3);
  RNA_def_property_ui_text(
      prop, "Vertex Group Factor", "Thickness factor to use for zero vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "offset", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "offset_fac");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -1, 1, 0.1, 4);
  RNA_def_property_ui_text(prop, "Offset", "Offset the thickness from the center");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_replace", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WIREFRAME_REPLACE);
  RNA_def_property_ui_text(prop, "Replace", "Remove original geometry");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_boundary", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WIREFRAME_BOUNDARY);
  RNA_def_property_ui_text(prop, "Boundary", "Support face boundaries");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_even_offset", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WIREFRAME_OFS_EVEN);
  RNA_def_property_ui_text(prop, "Offset Even", "Scale the offset to give more even thickness");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_relative_offset", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WIREFRAME_OFS_RELATIVE);
  RNA_def_property_ui_text(prop, "Offset Relative", "Scale the offset by surrounding geometry");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_crease", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WIREFRAME_CREASE);
  RNA_def_property_ui_text(
      prop, "Offset Relative", "Crease hub edges for improved subdivision surface");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "crease_weight", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "crease_weight");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0f, 1.0f, 0.1, 1);
  RNA_def_property_ui_text(prop, "Weight", "Crease weight (if active)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "material_offset", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "mat_ofs");
  RNA_def_property_range(prop, SHRT_MIN, SHRT_MAX);
  RNA_def_property_ui_text(prop, "Material Offset", "Offset material index of generated faces");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(
      prop, "Vertex Group", "Vertex group name for selecting the affected areas");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_WireframeModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WIREFRAME_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_datatransfer(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem DT_layer_vert_items[] = {
    {DT_TYPE_MDEFORMVERT,
     "VGROUP_WEIGHTS",
     0,
     "Vertex Groups",
     "Transfer active or all vertex groups"},
#  if 0 /* TODO */
    {DT_TYPE_SHAPEKEY, "SHAPEKEYS", 0, "Shapekey(s)", "Transfer active or all shape keys"},
#  endif
  /* XXX When SkinModifier is enabled,
   * it seems to erase its own CD_MVERT_SKIN layer from final DM :( */
#  if 0
    {DT_TYPE_SKIN, "SKIN", 0, "Skin Weight", "Transfer skin weights"},
#  endif
    {DT_TYPE_BWEIGHT_VERT, "BEVEL_WEIGHT_VERT", 0, "Bevel Weight", "Transfer bevel weights"},
    {DT_TYPE_MPROPCOL_VERT | DT_TYPE_MLOOPCOL_VERT,
     "COLOR_VERTEX",
     0,
     "Colors",
     "Transfer color attributes"},
    {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem DT_layer_edge_items[] = {
      {DT_TYPE_SHARP_EDGE, "SHARP_EDGE", 0, "Sharp", "Transfer sharp mark"},
      {DT_TYPE_SEAM, "SEAM", 0, "UV Seam", "Transfer UV seam mark"},
      {DT_TYPE_CREASE, "CREASE", 0, "Crease", "Transfer subdivision crease values"},
      {DT_TYPE_BWEIGHT_EDGE, "BEVEL_WEIGHT_EDGE", 0, "Bevel Weight", "Transfer bevel weights"},
      {DT_TYPE_FREESTYLE_EDGE, "FREESTYLE_EDGE", 0, "Freestyle", "Transfer Freestyle edge mark"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem DT_layer_loop_items[] = {
      {DT_TYPE_LNOR, "CUSTOM_NORMAL", 0, "Custom Normals", "Transfer custom normals"},
      {DT_TYPE_MPROPCOL_LOOP | DT_TYPE_MLOOPCOL_LOOP,
       "COLOR_CORNER",
       0,
       "Colors",
       "Transfer color attributes"},
      {DT_TYPE_UV, "UV", 0, "UVs", "Transfer UV layers"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem DT_layer_poly_items[] = {
      {DT_TYPE_SHARP_FACE, "SMOOTH", 0, "Smooth", "Transfer flat/smooth mark"},
      {DT_TYPE_FREESTYLE_FACE,
       "FREESTYLE_FACE",
       0,
       "Freestyle Mark",
       "Transfer Freestyle face mark"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "DataTransferModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna, "Data Transfer Modifier", "Modifier transferring some data from a source mesh");
  RNA_def_struct_sdna(srna, "DataTransferModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_DATA_TRANSFER);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "ob_source");
  RNA_def_property_ui_text(prop, "Source Object", "Object to transfer data from");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_DataTransferModifier_ob_source_set", nullptr, "rna_Mesh_object_poll");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_boolean(srna,
                         "use_object_transform",
                         true,
                         "Object Transform",
                         "Evaluate source and destination meshes in global space");
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", MOD_DATATRANSFER_OBSRC_TRANSFORM);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* Generic, UI-only data types toggles. */
  prop = RNA_def_boolean(
      srna, "use_vert_data", false, "Vertex Data", "Enable vertex data transfer");
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", MOD_DATATRANSFER_USE_VERT);
  RNA_def_property_update(prop, 0, "rna_DataTransferModifier_use_data_update");
 
  prop = RNA_def_boolean(srna, "use_edge_data", false, "Edge Data", "Enable edge data transfer");
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", MOD_DATATRANSFER_USE_EDGE);
  RNA_def_property_update(prop, 0, "rna_DataTransferModifier_use_data_update");
 
  prop = RNA_def_boolean(
      srna, "use_loop_data", false, "Face Corner Data", "Enable face corner data transfer");
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", MOD_DATATRANSFER_USE_LOOP);
  RNA_def_property_update(prop, 0, "rna_DataTransferModifier_use_data_update");
 
  prop = RNA_def_boolean(srna, "use_poly_data", false, "Face Data", "Enable face data transfer");
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", MOD_DATATRANSFER_USE_POLY);
  RNA_def_property_update(prop, 0, "rna_DataTransferModifier_use_data_update");
 
  /* Actual data types selection. */
  prop = RNA_def_enum(srna,
                      "data_types_verts",
                      DT_layer_vert_items,
                      0,
                      "Vertex Data Types",
                      "Which vertex data layers to transfer");
  RNA_def_property_flag(prop, PROP_ENUM_FLAG);
  RNA_def_property_enum_sdna(prop, nullptr, "data_types");
  RNA_def_property_enum_funcs(
      prop, nullptr, "rna_DataTransferModifier_verts_data_types_set", nullptr);
  RNA_def_property_update(prop, 0, "rna_DataTransferModifier_data_types_update");
 
  prop = RNA_def_enum(srna,
                      "data_types_edges",
                      DT_layer_edge_items,
                      0,
                      "Edge Data Types",
                      "Which edge data layers to transfer");
  RNA_def_property_flag(prop, PROP_ENUM_FLAG);
  RNA_def_property_enum_sdna(prop, nullptr, "data_types");
  RNA_def_property_enum_funcs(
      prop, nullptr, "rna_DataTransferModifier_edges_data_types_set", nullptr);
  RNA_def_property_update(prop, 0, "rna_DataTransferModifier_data_types_update");
 
  prop = RNA_def_enum(srna,
                      "data_types_loops",
                      DT_layer_loop_items,
                      0,
                      "Face Corner Data Types",
                      "Which face corner data layers to transfer");
  RNA_def_property_flag(prop, PROP_ENUM_FLAG);
  RNA_def_property_enum_sdna(prop, nullptr, "data_types");
  RNA_def_property_enum_funcs(
      prop, nullptr, "rna_DataTransferModifier_loops_data_types_set", nullptr);
  RNA_def_property_update(prop, 0, "rna_DataTransferModifier_data_types_update");
 
  prop = RNA_def_enum(srna,
                      "data_types_polys",
                      DT_layer_poly_items,
                      0,
                      "Poly Data Types",
                      "Which face data layers to transfer");
  RNA_def_property_flag(prop, PROP_ENUM_FLAG);
  RNA_def_property_enum_sdna(prop, nullptr, "data_types");
  RNA_def_property_enum_funcs(
      prop, nullptr, "rna_DataTransferModifier_polys_data_types_set", nullptr);
  RNA_def_property_update(prop, 0, "rna_DataTransferModifier_data_types_update");
 
  /* Mapping methods. */
  prop = RNA_def_enum(srna,
                      "vert_mapping",
                      rna_enum_dt_method_vertex_items,
                      MREMAP_MODE_VERT_NEAREST,
                      "Vertex Mapping",
                      "Method used to map source vertices to destination ones");
  RNA_def_property_enum_sdna(prop, nullptr, "vmap_mode");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_enum(srna,
                      "edge_mapping",
                      rna_enum_dt_method_edge_items,
                      MREMAP_MODE_EDGE_NEAREST,
                      "Edge Mapping",
                      "Method used to map source edges to destination ones");
  RNA_def_property_enum_sdna(prop, nullptr, "emap_mode");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_enum(srna,
                      "loop_mapping",
                      rna_enum_dt_method_loop_items,
                      MREMAP_MODE_LOOP_NEAREST_POLYNOR,
                      "Face Corner Mapping",
                      "Method used to map source faces' corners to destination ones");
  RNA_def_property_enum_sdna(prop, nullptr, "lmap_mode");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_enum(srna,
                      "poly_mapping",
                      rna_enum_dt_method_poly_items,
                      MREMAP_MODE_POLY_NEAREST,
                      "Face Mapping",
                      "Method used to map source faces to destination ones");
  RNA_def_property_enum_sdna(prop, nullptr, "pmap_mode");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* Mapping options and filtering. */
  prop = RNA_def_boolean(
      srna,
      "use_max_distance",
      false,
      "Only Neighbor Geometry",
      "Source elements must be closer than given distance from destination one");
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", MOD_DATATRANSFER_MAP_MAXDIST);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_float(
      srna,
      "max_distance",
      1.0f,
      0.0f,
      FLT_MAX,
      "Max Distance",
      "Maximum allowed distance between source and destination element, for non-topology mappings",
      0.0f,
      100.0f);
  RNA_def_property_float_sdna(prop, nullptr, "map_max_distance");
  RNA_def_property_subtype(prop, PROP_DISTANCE);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_float(
      srna,
      "ray_radius",
      0.0f,
      0.0f,
      FLT_MAX,
      "Ray Radius",
      "'Width' of rays (especially useful when raycasting against vertices or edges)",
      0.0f,
      10.0f);
  RNA_def_property_float_sdna(prop, nullptr, "map_ray_radius");
  RNA_def_property_subtype(prop, PROP_DISTANCE);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_float(
      srna,
      "islands_precision",
      0.0f,
      0.0f,
      1.0f,
      "Islands Precision",
      "Factor controlling precision of islands handling "
      "(typically, 0.1 should be enough, higher values can make things really slow)",
      0.0f,
      1.0f);
  RNA_def_property_subtype(prop, PROP_DISTANCE);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* How to handle multi-layers types of data. */
  prop = RNA_def_enum(srna,
                      "layers_vgroup_select_src",
                      rna_enum_dt_layers_select_src_items,
                      DT_LAYERS_ALL_SRC,
                      "Source Layers Selection",
                      "Which layers to transfer, in case of multi-layers types");
  RNA_def_property_enum_sdna(prop, nullptr, "layers_select_src[DT_MULTILAYER_INDEX_MDEFORMVERT]");
  RNA_def_property_enum_funcs(
      prop, nullptr, nullptr, "rna_DataTransferModifier_layers_select_src_itemf");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
#  if 0
  prop = RNA_def_enum(srna,
                      "layers_shapekey_select_src",
                      rna_enum_dt_layers_select_src_items,
                      DT_LAYERS_ALL_SRC,
                      "Source Layers Selection",
                      "Which layers to transfer, in case of multi-layers types");
  RNA_def_property_enum_sdna(prop, nullptr, "layers_select_src[DT_MULTILAYER_INDEX_SHAPEKEY]");
  RNA_def_property_enum_funcs(
      prop, nullptr, nullptr, "rna_DataTransferModifier_layers_select_src_itemf");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
#  endif
 
  prop = RNA_def_enum(srna,
                      "layers_vcol_vert_select_src",
                      rna_enum_dt_layers_select_src_items,
                      DT_LAYERS_ALL_SRC,
                      "Source Layers Selection",
                      "Which layers to transfer, in case of multi-layers types");
  RNA_def_property_enum_sdna(prop, nullptr, "layers_select_src[DT_MULTILAYER_INDEX_VCOL_VERT]");
  RNA_def_property_enum_funcs(
      prop, nullptr, nullptr, "rna_DataTransferModifier_layers_select_src_itemf");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_enum(srna,
                      "layers_vcol_loop_select_src",
                      rna_enum_dt_layers_select_src_items,
                      DT_LAYERS_ALL_SRC,
                      "Source Layers Selection",
                      "Which layers to transfer, in case of multi-layers types");
  RNA_def_property_enum_sdna(prop, nullptr, "layers_select_src[DT_MULTILAYER_INDEX_VCOL_LOOP]");
  RNA_def_property_enum_funcs(
      prop, nullptr, nullptr, "rna_DataTransferModifier_layers_select_src_itemf");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_enum(srna,
                      "layers_uv_select_src",
                      rna_enum_dt_layers_select_src_items,
                      DT_LAYERS_ALL_SRC,
                      "Source Layers Selection",
                      "Which layers to transfer, in case of multi-layers types");
  RNA_def_property_enum_sdna(prop, nullptr, "layers_select_src[DT_MULTILAYER_INDEX_UV]");
  RNA_def_property_enum_funcs(
      prop, nullptr, nullptr, "rna_DataTransferModifier_layers_select_src_itemf");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_enum(srna,
                      "layers_vgroup_select_dst",
                      rna_enum_dt_layers_select_dst_items,
                      DT_LAYERS_NAME_DST,
                      "Destination Layers Matching",
                      "How to match source and destination layers");
  RNA_def_property_enum_sdna(prop, nullptr, "layers_select_dst[DT_MULTILAYER_INDEX_MDEFORMVERT]");
  RNA_def_property_enum_funcs(
      prop, nullptr, nullptr, "rna_DataTransferModifier_layers_select_dst_itemf");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
#  if 0
  prop = RNA_def_enum(srna,
                      "layers_shapekey_select_dst",
                      rna_enum_dt_layers_select_dst_items,
                      DT_LAYERS_NAME_DST,
                      "Destination Layers Matching",
                      "How to match source and destination layers");
  RNA_def_property_enum_sdna(prop, nullptr, "layers_select_dst[DT_MULTILAYER_INDEX_SHAPEKEY]");
  RNA_def_property_enum_funcs(
      prop, nullptr, nullptr, "rna_DataTransferModifier_layers_select_dst_itemf");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
#  endif
 
  prop = RNA_def_enum(srna,
                      "layers_vcol_vert_select_dst",
                      rna_enum_dt_layers_select_dst_items,
                      DT_LAYERS_NAME_DST,
                      "Destination Layers Matching",
                      "How to match source and destination layers");
  RNA_def_property_enum_sdna(prop, nullptr, "layers_select_dst[DT_MULTILAYER_INDEX_VCOL_VERT]");
  RNA_def_property_enum_funcs(
      prop, nullptr, nullptr, "rna_DataTransferModifier_layers_select_dst_itemf");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_enum(srna,
                      "layers_vcol_loop_select_dst",
                      rna_enum_dt_layers_select_dst_items,
                      DT_LAYERS_NAME_DST,
                      "Destination Layers Matching",
                      "How to match source and destination layers");
  RNA_def_property_enum_sdna(prop, nullptr, "layers_select_dst[DT_MULTILAYER_INDEX_VCOL_LOOP]");
  RNA_def_property_enum_funcs(
      prop, nullptr, nullptr, "rna_DataTransferModifier_layers_select_dst_itemf");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_enum(srna,
                      "layers_uv_select_dst",
                      rna_enum_dt_layers_select_dst_items,
                      DT_LAYERS_NAME_DST,
                      "Destination Layers Matching",
                      "How to match source and destination layers");
  RNA_def_property_enum_sdna(prop, nullptr, "layers_select_dst[DT_MULTILAYER_INDEX_UV]");
  RNA_def_property_enum_funcs(
      prop, nullptr, nullptr, "rna_DataTransferModifier_layers_select_dst_itemf");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* Mix stuff */
  prop = RNA_def_enum(srna,
                      "mix_mode",
                      rna_enum_dt_mix_mode_items,
                      CDT_MIX_TRANSFER,
                      "Mix Mode",
                      "How to affect destination elements with source values");
  RNA_def_property_enum_funcs(prop, nullptr, nullptr, "rna_DataTransferModifier_mix_mode_itemf");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_float_factor(
      srna,
      "mix_factor",
      0.0f,
      0.0f,
      1.0f,
      "Mix Factor",
      "Factor to use when applying data to destination (exact behavior depends on mix mode, "
      "multiplied with weights from vertex group when defined)",
      0.0f,
      1.0f);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_string(srna,
                        "vertex_group",
                        nullptr,
                        MAX_VGROUP_NAME,
                        "Vertex Group",
                        "Vertex group name for selecting the affected areas");
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_DataTransferModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_boolean(
      srna, "invert_vertex_group", false, "Invert", "Invert vertex group influence");
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", MOD_DATATRANSFER_INVERT_VGROUP);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_normaledit(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem prop_mode_items[] = {
      {MOD_NORMALEDIT_MODE_RADIAL,
       "RADIAL",
       0,
       "Radial",
       "From an ellipsoid (shape defined by the boundbox's dimensions, target is optional)"},
      {MOD_NORMALEDIT_MODE_DIRECTIONAL,
       "DIRECTIONAL",
       0,
       "Directional",
       "Normals 'track' (point to) the target object"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem prop_mix_mode_items[] = {
      {MOD_NORMALEDIT_MIX_COPY, "COPY", 0, "Copy", "Copy new normals (overwrite existing)"},
      {MOD_NORMALEDIT_MIX_ADD, "ADD", 0, "Add", "Copy sum of new and old normals"},
      {MOD_NORMALEDIT_MIX_SUB, "SUB", 0, "Subtract", "Copy new normals minus old normals"},
      {MOD_NORMALEDIT_MIX_MUL,
       "MUL",
       0,
       "Multiply",
       "Copy product of old and new normals (not cross product)"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "NormalEditModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna, "Normal Edit Modifier", "Modifier affecting/generating custom normals");
  RNA_def_struct_sdna(srna, "NormalEditModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_NORMALEDIT);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_mode_items);
  RNA_def_property_ui_text(prop, "Mode", "How to affect (generate) normals");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_float_array(srna,
                             "offset",
                             3,
                             nullptr,
                             -FLT_MAX,
                             FLT_MAX,
                             "Offset",
                             "Offset from object's center",
                             -100.0f,
                             100.0f);
  RNA_def_property_subtype(prop, PROP_COORDS);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mix_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_mix_mode_items);
  RNA_def_property_ui_text(prop, "Mix Mode", "How to mix generated normals with existing ones");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mix_factor", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_text(
      prop, "Mix Factor", "How much of generated normals to mix with existing ones");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mix_limit", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_range(prop, 0.0, DEG2RADF(180.0f));
  RNA_def_property_ui_text(prop, "Max Angle", "Maximum angle between old and new normals");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "no_polynors_fix", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_NORMALEDIT_NO_POLYNORS_FIX);
  RNA_def_property_boolean_default(prop, false);
  RNA_def_property_ui_text(prop,
                           "Lock Polygon Normals",
                           "Do not flip polygons when their normals are not consistent "
                           "with their newly computed custom vertex normals");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(
      prop, "Vertex Group", "Vertex group name for selecting/weighting the affected areas");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_NormalEditModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_NORMALEDIT_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "target", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Target", "Target object used to affect normals");
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_NormalEditModifier_target_set", nullptr, nullptr);
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "use_direction_parallel", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_NORMALEDIT_USE_DIRECTION_PARALLEL);
  RNA_def_property_boolean_default(prop, true);
  RNA_def_property_ui_text(prop,
                           "Parallel Normals",
                           "Use same direction for all normals, from origin to target's center "
                           "(Directional mode only)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_surfacedeform(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "SurfaceDeformModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "SurfaceDeform Modifier", "");
  RNA_def_struct_sdna(srna, "SurfaceDeformModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_MESHDEFORM);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "target", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Target", "Mesh object to deform with");
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_SurfaceDeformModifier_target_set", nullptr, "rna_Mesh_object_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "falloff", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, 2.0f, 16.0f);
  RNA_def_property_ui_text(
      prop, "Interpolation Falloff", "Controls how much nearby polygons influence deformation");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "is_bound", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_funcs(prop, "rna_SurfaceDeformModifier_is_bound_get", nullptr);
  RNA_def_property_ui_text(prop, "Bound", "Whether geometry has been bound to target mesh");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(
      prop, "Vertex Group", "Vertex group name for selecting/weighting the affected areas");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_SurfaceDeformModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", MOD_SDEF_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_sparse_bind", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", MOD_SDEF_SPARSE_BIND);
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(
      prop,
      "Sparse Bind",
      "Only record binding data for vertices matching the vertex group at the time of bind");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "strength", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, -100, 100);
  RNA_def_property_ui_range(prop, -100, 100, 10, 2);
  RNA_def_property_ui_text(prop, "Strength", "Strength of modifier deformations");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_weightednormal(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static EnumPropertyItem prop_weighting_mode_items[] = {
      {MOD_WEIGHTEDNORMAL_MODE_FACE,
       "FACE_AREA",
       0,
       "Face Area",
       "Generate face area weighted normals"},
      {MOD_WEIGHTEDNORMAL_MODE_ANGLE,
       "CORNER_ANGLE",
       0,
       "Corner Angle",
       "Generate corner angle weighted normals"},
      {MOD_WEIGHTEDNORMAL_MODE_FACE_ANGLE,
       "FACE_AREA_WITH_ANGLE",
       0,
       "Face Area & Angle",
       "Generated normals weighted by both face area and angle"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "WeightedNormalModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "WeightedNormal Modifier", "");
  RNA_def_struct_sdna(srna, "WeightedNormalModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_NORMALEDIT);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "weight", PROP_INT, PROP_NONE);
  RNA_def_property_range(prop, 1, 100);
  RNA_def_property_ui_range(prop, 1, 100, 1, -1);
  RNA_def_property_ui_text(prop,
                           "Weight",
                           "Corrective factor applied to faces' weights, 50 is neutral, "
                           "lower values increase weight of weak faces, "
                           "higher values increase weight of strong faces");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_weighting_mode_items);
  RNA_def_property_ui_text(prop, "Weighting Mode", "Weighted vertex normal mode to use");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "thresh", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, 0, 10);
  RNA_def_property_ui_range(prop, 0, 10, 1, 2);
  RNA_def_property_ui_text(
      prop, "Threshold", "Threshold value for different weights to be considered equal");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "keep_sharp", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WEIGHTEDNORMAL_KEEP_SHARP);
  RNA_def_property_ui_text(prop,
                           "Keep Sharp",
                           "Keep sharp edges as computed for default split normals, "
                           "instead of setting a single weighted normal for each vertex");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "defgrp_name");
  RNA_def_property_ui_text(
      prop, "Vertex Group", "Vertex group name for modifying the selected areas");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_WeightedNormalModifier_defgrp_name_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WEIGHTEDNORMAL_INVERT_VGROUP);
  RNA_def_property_ui_text(prop, "Invert", "Invert vertex group influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_face_influence", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_WEIGHTEDNORMAL_FACE_INFLUENCE);
  RNA_def_property_ui_text(prop, "Face Influence", "Use influence of face for weighting");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_nodes_data_block(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "NodesModifierDataBlock", nullptr);
  RNA_def_struct_sdna(srna, "NodesModifierDataBlock");
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "id_name", PROP_STRING, PROP_NONE);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(
      prop, "Data-Block Name", "Name that is mapped to the referenced data-block");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "lib_name", PROP_STRING, PROP_NONE);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop,
                           "Library Name",
                           "Used when the data block is not local to the current .blend file but "
                           "is linked from some library");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "id", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(prop, "ID");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_pointer_funcs(
      prop, nullptr, nullptr, "rna_NodesModifierBake_data_block_typef", nullptr);
  RNA_def_property_ui_text(prop, "Data-Block", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "id_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_ID);
  RNA_def_property_enum_items(prop, rna_enum_id_type_items);
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE | PROP_EDITABLE);
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_nodes_bake_data_blocks(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "NodesModifierBakeDataBlocks", nullptr);
  RNA_def_struct_sdna(srna, "NodesModifierBake");
  RNA_def_struct_ui_text(
      srna, "Data-Blocks", "Collection of data-blocks that can be referenced by baked data");
 
  prop = RNA_def_property(srna, "active_index", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "active_data_block");
}
 
static EnumPropertyItem bake_target_in_node_items[] = {
    {NODES_MODIFIER_BAKE_TARGET_INHERIT,
     "INHERIT",
     0,
     "Inherit from Modifier",
     "Use setting from the modifier"},
    {NODES_MODIFIER_BAKE_TARGET_PACKED,
     "PACKED",
     0,
     "Packed",
     "Pack the baked data into the .blend file"},
    {NODES_MODIFIER_BAKE_TARGET_DISK,
     "DISK",
     0,
     "Disk",
     "Store the baked data in a directory on disk"},
    {0, nullptr, 0, nullptr, nullptr},
};
 
static EnumPropertyItem bake_target_in_modifier_items[] = {
    {NODES_MODIFIER_BAKE_TARGET_PACKED,
     "PACKED",
     0,
     "Packed",
     "Pack the baked data into the .blend file"},
    {NODES_MODIFIER_BAKE_TARGET_DISK,
     "DISK",
     0,
     "Disk",
     "Store the baked data in a directory on disk"},
    {0, nullptr, 0, nullptr, nullptr},
};
 
static void rna_def_modifier_nodes_bake(BlenderRNA *brna)
{
  rna_def_modifier_nodes_bake_data_blocks(brna);
 
  static EnumPropertyItem bake_mode_items[] = {
      {NODES_MODIFIER_BAKE_MODE_ANIMATION, "ANIMATION", 0, "Animation", "Bake a frame range"},
      {NODES_MODIFIER_BAKE_MODE_STILL, "STILL", 0, "Still", "Bake a single frame"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  StructRNA *srna;
  PropertyRNA *prop;
 
  RNA_define_lib_overridable(true);
 
  srna = RNA_def_struct(brna, "NodesModifierBake", nullptr);
  RNA_def_struct_ui_text(srna, "Nodes Modifier Bake", "");
 
  prop = RNA_def_property(srna, "directory", PROP_STRING, PROP_DIRPATH);
  RNA_def_property_flag(prop, PROP_PATH_SUPPORTS_BLEND_RELATIVE);
  RNA_def_property_ui_text(prop, "Directory", "Location on disk where the bake data is stored");
  RNA_def_property_update(prop, 0, "rna_NodesModifier_bake_update");
 
  prop = RNA_def_property(srna, "frame_start", PROP_INT, PROP_TIME);
  RNA_def_property_ui_text(prop, "Start Frame", "Frame where the baking starts");
  RNA_def_property_update(prop, 0, "rna_NodesModifier_bake_update");
 
  prop = RNA_def_property(srna, "frame_end", PROP_INT, PROP_TIME);
  RNA_def_property_ui_text(prop, "End Frame", "Frame where the baking ends");
  RNA_def_property_update(prop, 0, "rna_NodesModifier_bake_update");
 
  prop = RNA_def_property(srna, "use_custom_simulation_frame_range", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "flag", NODES_MODIFIER_BAKE_CUSTOM_SIMULATION_FRAME_RANGE);
  RNA_def_property_ui_text(
      prop, "Custom Simulation Frame Range", "Override the simulation frame range from the scene");
  RNA_def_property_update(prop, 0, "rna_NodesModifier_bake_update");
 
  prop = RNA_def_property(srna, "use_custom_path", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", NODES_MODIFIER_BAKE_CUSTOM_PATH);
  RNA_def_property_ui_text(
      prop, "Custom Path", "Specify a path where the baked data should be stored manually");
  RNA_def_property_update(prop, 0, "rna_NodesModifier_bake_update");
 
  prop = RNA_def_property(srna, "bake_target", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, bake_target_in_node_items);
  RNA_def_property_ui_text(prop, "Bake Target", "Where to store the baked data");
  RNA_def_property_update(prop, 0, "rna_NodesModifier_bake_update");
 
  prop = RNA_def_property(srna, "bake_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, bake_mode_items);
  RNA_def_property_ui_text(prop, "Bake Mode", "");
  RNA_def_property_update(prop, 0, "rna_NodesModifier_bake_update");
 
  prop = RNA_def_property(srna, "bake_id", PROP_INT, PROP_NONE);
  RNA_def_property_ui_text(prop,
                           "Bake ID",
                           "Identifier for this bake which remains unchanged even when the bake "
                           "node is renamed, grouped or ungrouped");
  RNA_def_property_int_sdna(prop, nullptr, "id");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
 
  prop = RNA_def_property(srna, "node", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(prop, "Node");
  RNA_def_property_ui_text(prop,
                           "Node",
                           "Bake node or simulation output node that corresponds to this bake. "
                           "This node may be deeply nested in the modifier node group. It can be "
                           "none in some cases like missing linked data blocks.");
  RNA_def_property_pointer_funcs(
      prop, "rna_NodesModifierBake_node_get", nullptr, nullptr, nullptr);
 
  prop = RNA_def_property(srna, "data_blocks", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_struct_type(prop, "NodesModifierDataBlock");
  RNA_def_property_collection_sdna(prop, nullptr, "data_blocks", "data_blocks_num");
  RNA_def_property_srna(prop, "NodesModifierBakeDataBlocks");
  RNA_def_property_override_clear_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_nodes_bakes(BlenderRNA *brna)
{
  StructRNA *srna;
 
  srna = RNA_def_struct(brna, "NodesModifierBakes", nullptr);
  RNA_def_struct_sdna(srna, "NodesModifierData");
  RNA_def_struct_ui_text(srna, "Bakes", "Bake data for every bake node");
}
 
static void rna_def_modifier_nodes_panel(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "NodesModifierPanel", nullptr);
  RNA_def_struct_ui_text(srna, "Nodes Modifier Panel", "");
 
  prop = RNA_def_property(srna, "is_open", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", NODES_MODIFIER_PANEL_OPEN);
  RNA_def_property_ui_text(prop, "Is Open", "Whether the panel is expanded or closed");
  RNA_def_property_flag(prop, PROP_NO_DEG_UPDATE);
  RNA_def_property_update(prop, NC_OBJECT | ND_MODIFIER, nullptr);
}
 
static void rna_def_modifier_nodes_panels(BlenderRNA *brna)
{
  StructRNA *srna;
 
  srna = RNA_def_struct(brna, "NodesModifierPanels", nullptr);
  RNA_def_struct_sdna(srna, "NodesModifierData");
  RNA_def_struct_ui_text(srna, "Panels", "State of all panels defined by the node group");
}
 
static void rna_def_modifier_nodes_warning(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "NodesModifierWarning", nullptr);
  RNA_def_struct_ui_text(srna,
                         "Nodes Modifier Warning",
                         "Warning created during evaluation of a geometry nodes modifier");
 
  prop = RNA_def_property(srna, "message", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(prop, "Message", nullptr);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_string_funcs(prop,
                                "rna_NodesModifierWarning_message_get",
                                "rna_NodesModifierWarning_message_length",
                                nullptr);
 
  prop = RNA_def_property(srna, "type", PROP_ENUM, PROP_NONE);
  RNA_def_property_ui_text(prop, "Type", nullptr);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_enum_items(prop, rna_enum_node_warning_type_items);
  RNA_def_property_enum_funcs(prop, "rna_NodesModifierWarning_type_get", nullptr, nullptr);
}
 
static void rna_def_modifier_nodes(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  rna_def_modifier_nodes_data_block(brna);
 
  rna_def_modifier_nodes_bake(brna);
  rna_def_modifier_nodes_bakes(brna);
 
  rna_def_modifier_nodes_panel(brna);
  rna_def_modifier_nodes_panels(brna);
 
  rna_def_modifier_nodes_warning(brna);
 
  srna = RNA_def_struct(brna, "NodesModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Nodes Modifier", "");
  RNA_def_struct_sdna(srna, "NodesModifierData");
  RNA_def_struct_idprops_func(srna, "rna_NodesModifier_properties");
  RNA_def_struct_ui_icon(srna, ICON_GEOMETRY_NODES);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "node_group", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Node Group", "Node group that controls what this modifier does");
  RNA_def_property_pointer_funcs(
      prop, nullptr, nullptr, nullptr, "rna_NodesModifier_node_group_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_update(prop, 0, "rna_NodesModifier_node_group_update");
 
  prop = RNA_def_property(srna, "bake_directory", PROP_STRING, PROP_DIRPATH);
  RNA_def_property_flag(prop, PROP_PATH_SUPPORTS_BLEND_RELATIVE);
  RNA_def_property_ui_text(
      prop, "Simulation Bake Directory", "Location on disk where the bake data is stored");
  RNA_def_property_update(prop, 0, "rna_NodesModifier_bake_update");
 
  prop = RNA_def_property(srna, "bake_target", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, bake_target_in_modifier_items);
  RNA_def_property_ui_text(prop, "Bake Target", "Where to store the baked data");
  RNA_def_property_update(prop, 0, "rna_NodesModifier_bake_update");
 
  prop = RNA_def_property(srna, "bakes", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_struct_type(prop, "NodesModifierBake");
  RNA_def_property_collection_sdna(prop, nullptr, "bakes", "bakes_num");
  RNA_def_property_srna(prop, "NodesModifierBakes");
 
  prop = RNA_def_property(srna, "panels", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_struct_type(prop, "NodesModifierPanel");
  RNA_def_property_collection_sdna(prop, nullptr, "panels", "panels_num");
  RNA_def_property_srna(prop, "NodesModifierPanels");
 
  prop = RNA_def_property(srna, "show_group_selector", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(
      prop, nullptr, "flag", NODES_MODIFIER_HIDE_DATABLOCK_SELECTOR);
  RNA_def_property_ui_text(prop, "Show Node Group", "");
  RNA_def_property_flag(prop, PROP_NO_DEG_UPDATE);
  RNA_def_property_update(prop, NC_OBJECT | ND_MODIFIER, nullptr);
 
  prop = RNA_def_property(srna, "node_warnings", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_collection_funcs(prop,
                                    "rna_NodesModifier_node_warnings_iterator_begin",
                                    "rna_NodesModifier_node_warnings_iterator_next",
                                    nullptr,
                                    "rna_NodesModifier_node_warnings_iterator_get",
                                    "rna_NodesModifier_node_warnings_length",
                                    nullptr,
                                    nullptr,
                                    nullptr);
  RNA_def_property_struct_type(prop, "NodesModifierWarning");
  RNA_def_property_override_flag(prop, PROPOVERRIDE_NO_COMPARISON);
  RNA_def_property_override_clear_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
 
  rna_def_modifier_panel_open_prop(
      srna, "open_output_attributes_panel", NODES_MODIFIER_PANEL_OUTPUT_ATTRIBUTES);
  rna_def_modifier_panel_open_prop(srna, "open_manage_panel", NODES_MODIFIER_PANEL_MANAGE);
  rna_def_modifier_panel_open_prop(srna, "open_bake_panel", NODES_MODIFIER_PANEL_BAKE);
  rna_def_modifier_panel_open_prop(
      srna, "open_named_attributes_panel", NODES_MODIFIER_PANEL_NAMED_ATTRIBUTES);
  rna_def_modifier_panel_open_prop(
      srna, "open_bake_data_blocks_panel", NODES_MODIFIER_PANEL_BAKE_DATA_BLOCKS);
  rna_def_modifier_panel_open_prop(srna, "open_warnings_panel", NODES_MODIFIER_PANEL_WARNINGS);
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_mesh_to_volume(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static EnumPropertyItem resolution_mode_items[] = {
      {MESH_TO_VOLUME_RESOLUTION_MODE_VOXEL_AMOUNT,
       "VOXEL_AMOUNT",
       0,
       "Voxel Amount",
       "Desired number of voxels along one axis"},
      {MESH_TO_VOLUME_RESOLUTION_MODE_VOXEL_SIZE,
       "VOXEL_SIZE",
       0,
       "Voxel Size",
       "Desired voxel side length"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "MeshToVolumeModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Mesh to Volume Modifier", "");
  RNA_def_struct_sdna(srna, "MeshToVolumeModifierData");
  RNA_def_struct_ui_icon(srna, ICON_VOLUME_DATA); /* TODO: Use correct icon. */
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Object", "Object");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "resolution_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, resolution_mode_items);
  RNA_def_property_ui_text(
      prop, "Resolution Mode", "Mode for how the desired voxel size is specified");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* NOTE: allow zero (which skips computation), to avoid zero clamping
   * to a small value which is likely to run out of memory, see: #130526. */
  prop = RNA_def_property(srna, "voxel_size", PROP_FLOAT, PROP_NONE);
  RNA_def_property_ui_text(
      prop, "Voxel Size", "Smaller values result in a higher resolution output");
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, FLT_MAX, 0.01, 4);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "voxel_amount", PROP_INT, PROP_NONE);
  RNA_def_property_ui_text(prop, "Voxel Amount", "Approximate number of voxels along one axis");
  RNA_def_property_range(prop, 0, INT_MAX);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "interior_band_width", PROP_FLOAT, PROP_NONE);
  RNA_def_property_ui_text(
      prop, "Interior Band Width", "Width of the gradient inside of the mesh");
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "density", PROP_FLOAT, PROP_NONE);
  RNA_def_property_ui_text(prop, "Density", "Density of the new volume");
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_volume_displace(BlenderRNA *brna)
{
  static const EnumPropertyItem prop_texture_map_mode_items[] = {
      {MOD_VOLUME_DISPLACE_MAP_LOCAL,
       "LOCAL",
       0,
       "Local",
       "Use the local coordinate system for the texture coordinates"},
      {MOD_VOLUME_DISPLACE_MAP_GLOBAL,
       "GLOBAL",
       0,
       "Global",
       "Use the global coordinate system for the texture coordinates"},
      {MOD_VOLUME_DISPLACE_MAP_OBJECT,
       "OBJECT",
       0,
       "Object",
       "Use the linked object's local coordinate system for the texture coordinates"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "VolumeDisplaceModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Volume Displace Modifier", "");
  RNA_def_struct_sdna(srna, "VolumeDisplaceModifierData");
  RNA_def_struct_ui_icon(srna, ICON_VOLUME_DATA); /* TODO: Use correct icon. */
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "strength", PROP_FLOAT, PROP_NONE);
  RNA_def_property_ui_text(prop, "Strength", "Strength of the displacement");
  RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 0.1, 4);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "texture", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Texture", "");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "texture_map_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_texture_map_mode_items);
  RNA_def_property_ui_text(prop, "Texture Mapping Mode", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "texture_map_object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Object", "Object to use for texture mapping");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "texture_mid_level", PROP_FLOAT, PROP_XYZ);
  RNA_def_property_ui_text(
      prop, "Texture Mid Level", "Subtracted from the texture color to get a displacement vector");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0f, 1.0f, 0.1f, 5);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "texture_sample_radius", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_ui_text(
      prop,
      "Texture Sample Radius",
      "Smaller values result in better performance but might cut off the volume");
  RNA_def_property_range(prop, 0.0f, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0f, 1.0f, 0.1f, 5);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_volume_to_mesh(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static EnumPropertyItem resolution_mode_items[] = {
      {VOLUME_TO_MESH_RESOLUTION_MODE_GRID,
       "GRID",
       0,
       "Grid",
       "Use resolution of the volume grid"},
      {VOLUME_TO_MESH_RESOLUTION_MODE_VOXEL_AMOUNT,
       "VOXEL_AMOUNT",
       0,
       "Voxel Amount",
       "Desired number of voxels along one axis"},
      {VOLUME_TO_MESH_RESOLUTION_MODE_VOXEL_SIZE,
       "VOXEL_SIZE",
       0,
       "Voxel Size",
       "Desired voxel side length"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "VolumeToMeshModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Volume to Mesh Modifier", "");
  RNA_def_struct_sdna(srna, "VolumeToMeshModifierData");
  RNA_def_struct_ui_icon(srna, ICON_VOLUME_DATA); /* TODO: Use correct icon. */
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Object", "Object");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "threshold", PROP_FLOAT, PROP_NONE);
  RNA_def_property_ui_text(
      prop, "Threshold", "Voxels with a larger value are inside the generated mesh");
  RNA_def_property_range(prop, 0.0f, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.001f, 1.0f, 0.1f, 5);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "adaptivity", PROP_FLOAT, PROP_NONE);
  RNA_def_property_ui_text(
      prop,
      "Adaptivity",
      "Reduces the final face count by simplifying geometry where detail is not needed");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_smooth_shade", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", VOLUME_TO_MESH_USE_SMOOTH_SHADE);
  RNA_def_property_ui_text(
      prop, "Smooth Shading", "Output faces with smooth shading rather than flat shaded");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "grid_name", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(
      prop, "Grid Name", "Grid in the volume object that is converted to a mesh");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "resolution_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, resolution_mode_items);
  RNA_def_property_ui_text(
      prop, "Resolution Mode", "Mode for how the desired voxel size is specified");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* NOTE: allow zero (which skips computation), to avoid zero clamping
   * to a small value which is likely to run out of memory, see: #130526. */
  prop = RNA_def_property(srna, "voxel_size", PROP_FLOAT, PROP_NONE);
  RNA_def_property_ui_text(
      prop, "Voxel Size", "Smaller values result in a higher resolution output");
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, FLT_MAX, 0.01, 4);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "voxel_amount", PROP_INT, PROP_NONE);
  RNA_def_property_ui_text(prop, "Voxel Amount", "Approximate number of voxels along one axis");
  RNA_def_property_range(prop, 0, INT_MAX);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_layer_filter(StructRNA *srna)
{
  PropertyRNA *prop;
 
  prop = RNA_def_property(srna, "tree_node_filter", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "influence.layer_name");
  RNA_def_property_ui_text(prop, "Layer", "Layer name");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_layer_pass_filter", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "influence.flag", GREASE_PENCIL_INFLUENCE_USE_LAYER_PASS_FILTER);
  RNA_def_property_ui_text(prop, "Use Layer Pass", "Use layer pass filter");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "layer_pass_filter", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "influence.layer_pass");
  RNA_def_property_range(prop, 0, 100);
  RNA_def_property_ui_text(prop, "Layer Pass", "Layer pass filter");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_layer_filter", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "influence.flag", GREASE_PENCIL_INFLUENCE_INVERT_LAYER_FILTER);
  RNA_def_property_ui_text(prop, "Invert Layer", "Invert layer filter");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_layer_pass_filter", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "influence.flag", GREASE_PENCIL_INFLUENCE_INVERT_LAYER_PASS_FILTER);
  RNA_def_property_ui_text(prop, "Invert Layer Pass", "Invert layer pass filter");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_layer_group_filter", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "influence.flag", GREASE_PENCIL_INFLUENCE_USE_LAYER_GROUP_FILTER);
  RNA_def_property_ui_text(prop, "Layer Group", "Filter by layer group name");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
}
 
static void rna_def_modifier_grease_pencil_material_filter(StructRNA *srna,
                                                           const char *material_set_fn)
{
  PropertyRNA *prop;
 
  prop = RNA_def_property(srna, "material_filter", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "influence.material");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_pointer_funcs(
      prop, nullptr, material_set_fn, nullptr, "rna_GreasePencilModifier_material_poll");
  RNA_def_property_ui_text(prop, "Material", "Material used for filtering");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_material_pass_filter", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "influence.flag", GREASE_PENCIL_INFLUENCE_USE_MATERIAL_PASS_FILTER);
  RNA_def_property_ui_text(prop, "Use Material Pass", "Use material pass filter");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "material_pass_filter", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "influence.material_pass");
  RNA_def_property_range(prop, 0, 100);
  RNA_def_property_ui_text(prop, "Material Pass", "Material pass");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_material_filter", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "influence.flag", GREASE_PENCIL_INFLUENCE_INVERT_MATERIAL_FILTER);
  RNA_def_property_ui_text(prop, "Invert Material", "Invert material filter");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_material_pass_filter", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "influence.flag", GREASE_PENCIL_INFLUENCE_INVERT_MATERIAL_PASS_FILTER);
  RNA_def_property_ui_text(prop, "Invert Material Pass", "Invert material pass filter");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
}
 
static void rna_def_modifier_grease_pencil_vertex_group(StructRNA *srna,
                                                        const char *vertex_group_name_set_fn)
{
  PropertyRNA *prop;
 
  prop = RNA_def_property(srna, "vertex_group_name", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "influence.vertex_group_name");
  RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name for modulating the deform");
  RNA_def_property_string_funcs(prop, nullptr, nullptr, vertex_group_name_set_fn);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "influence.flag", GREASE_PENCIL_INFLUENCE_INVERT_VERTEX_GROUP);
  RNA_def_property_ui_text(prop, "Invert Vertex Group", "Invert vertex group weights");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
}
 
static void rna_def_modifier_grease_pencil_custom_curve(StructRNA *srna)
{
  PropertyRNA *prop;
 
  prop = RNA_def_property(srna, "use_custom_curve", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "influence.flag", GREASE_PENCIL_INFLUENCE_USE_CUSTOM_CURVE);
  RNA_def_property_ui_text(
      prop, "Use Custom Curve", "Use a custom curve to define a factor along the strokes");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "custom_curve", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "influence.custom_curve");
  RNA_def_property_ui_text(prop, "Curve", "Custom curve to apply effect");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
}
 
static void rna_def_modifier_grease_pencil_opacity(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
  static const EnumPropertyItem color_mode_items[] = {
      {MOD_GREASE_PENCIL_COLOR_BOTH, "BOTH", 0, "Stroke & Fill", "Modify fill and stroke colors"},
      {MOD_GREASE_PENCIL_COLOR_STROKE, "STROKE", 0, "Stroke", "Modify stroke color only"},
      {MOD_GREASE_PENCIL_COLOR_FILL, "FILL", 0, "Fill", "Modify fill color only"},
      {MOD_GREASE_PENCIL_COLOR_HARDNESS, "HARDNESS", 0, "Hardness", "Modify stroke hardness"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "GreasePencilOpacityModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Grease Pencil Opacity Modifier", "");
  RNA_def_struct_sdna(srna, "GreasePencilOpacityModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_OPACITY);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilOpacityModifier_material_filter_set");
  rna_def_modifier_grease_pencil_vertex_group(
      srna, "rna_GreasePencilOpacityModifier_vertex_group_name_set");
  rna_def_modifier_grease_pencil_custom_curve(srna);
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "color_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, color_mode_items);
  RNA_def_property_ui_text(prop, "Mode", "Attributes to modify");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "color_factor", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "color_factor");
  RNA_def_property_ui_range(prop, 0, 2.0, 0.1, 2);
  RNA_def_property_float_funcs(prop,
                               nullptr,
                               "rna_GreasePencilOpacityModifier_opacity_factor_max_set",
                               "rna_GreasePencilOpacityModifier_opacity_factor_range");
  RNA_def_property_ui_text(prop, "Opacity Factor", "Factor of opacity");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "hardness_factor", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "hardness_factor");
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, FLT_MAX, 0.1, 2);
  RNA_def_property_ui_text(prop, "Hardness Factor", "Factor of stroke hardness");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_weight_as_factor", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "flag", MOD_GREASE_PENCIL_OPACITY_USE_WEIGHT_AS_FACTOR);
  RNA_def_property_ui_text(
      prop, "Use Weight as Factor", "Use vertex group weight as factor instead of influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_uniform_opacity", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "flag", MOD_GREASE_PENCIL_OPACITY_USE_UNIFORM_OPACITY);
  RNA_def_property_ui_text(
      prop, "Uniform Opacity", "Replace the stroke opacity instead of modulating each point");
 
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_subdiv(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem subdivision_type_items[] = {
      {MOD_GREASE_PENCIL_SUBDIV_CATMULL, "CATMULL_CLARK", 0, "Catmull-Clark", ""},
      {MOD_GREASE_PENCIL_SUBDIV_SIMPLE, "SIMPLE", 0, "Simple", ""},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "GreasePencilSubdivModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Subdivision Modifier", "Subdivide Stroke modifier");
  RNA_def_struct_sdna(srna, "GreasePencilSubdivModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_SUBSURF);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilSubdivModifier_material_filter_set");
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "level", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "level");
  RNA_def_property_range(prop, 0, 16);
  RNA_def_property_ui_range(prop, 0, 6, 1, 0);
  RNA_def_property_ui_text(prop, "Level", "Level of subdivision");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "subdivision_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "type");
  RNA_def_property_enum_items(prop, subdivision_type_items);
  RNA_def_property_ui_text(prop, "Subdivision Type", "Select type of subdivision algorithm");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_color(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem color_mode_items[] = {
      {MOD_GREASE_PENCIL_COLOR_BOTH, "BOTH", 0, "Stroke & Fill", "Modify fill and stroke colors"},
      {MOD_GREASE_PENCIL_COLOR_STROKE, "STROKE", 0, "Stroke", "Modify stroke color only"},
      {MOD_GREASE_PENCIL_COLOR_FILL, "FILL", 0, "Fill", "Modify fill color only"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "GreasePencilColorModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Grease Pencil Color Modifier", "");
  RNA_def_struct_sdna(srna, "GreasePencilColorModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_HUE_SATURATION);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilColorModifier_material_filter_set");
  rna_def_modifier_grease_pencil_custom_curve(srna);
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "color_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, color_mode_items);
  RNA_def_property_ui_text(prop, "Mode", "Attributes to modify");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "hue", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_range(prop, 0.0, 1.0, 0.1, 3);
  RNA_def_property_float_sdna(prop, nullptr, "hsv[0]");
  RNA_def_property_ui_text(prop, "Hue", "Color hue offset");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "saturation", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, 2.0, 0.1, 3);
  RNA_def_property_float_sdna(prop, nullptr, "hsv[1]");
  RNA_def_property_ui_text(prop, "Saturation", "Color saturation factor");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "value", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, 2.0, 0.1, 3);
  RNA_def_property_float_sdna(prop, nullptr, "hsv[2]");
  RNA_def_property_ui_text(prop, "Value", "Color value factor");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_tint(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem color_mode_items[] = {
      {MOD_GREASE_PENCIL_COLOR_BOTH, "BOTH", 0, "Stroke & Fill", "Modify fill and stroke colors"},
      {MOD_GREASE_PENCIL_COLOR_STROKE, "STROKE", 0, "Stroke", "Modify stroke color only"},
      {MOD_GREASE_PENCIL_COLOR_FILL, "FILL", 0, "Fill", "Modify fill color only"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem tint_mode_items[] = {
      {MOD_GREASE_PENCIL_TINT_UNIFORM, "UNIFORM", 0, "Uniform", ""},
      {MOD_GREASE_PENCIL_TINT_GRADIENT, "GRADIENT", 0, "Gradient", ""},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "GreasePencilTintModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Grease Pencil Tint Modifier", "");
  RNA_def_struct_sdna(srna, "GreasePencilTintModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_TINT);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilTintModifier_material_filter_set");
  rna_def_modifier_grease_pencil_vertex_group(
      srna, "rna_GreasePencilTintModifier_vertex_group_name_set");
  rna_def_modifier_grease_pencil_custom_curve(srna);
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "color_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, color_mode_items);
  RNA_def_property_ui_text(prop, "Mode", "Attributes to modify");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "factor", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, 0, 2.0);
  RNA_def_property_ui_range(prop, 0, 2.0, 0.1, 2);
  RNA_def_property_ui_text(prop, "Factor", "Factor for tinting");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* Type of Tint. */
  prop = RNA_def_property(srna, "tint_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, tint_mode_items);
  RNA_def_property_ui_text(prop, "Tint Mode", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* Simple Color. */
  prop = RNA_def_property(srna, "color", PROP_FLOAT, PROP_COLOR);
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_array(prop, 3);
  RNA_def_property_ui_text(prop, "Color", "Color used for tinting");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* Color band. */
  prop = RNA_def_property(srna, "color_ramp", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(prop, "ColorRamp");
  RNA_def_property_ui_text(prop, "Color Ramp", "Gradient tinting colors");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Object", "Object used for the gradient direction");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_GreasePencilTintModifier_object_set", nullptr, nullptr);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "radius", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_range(prop, 1e-6f, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.001f, FLT_MAX, 1, 3);
  RNA_def_property_ui_text(prop, "Radius", "Influence distance from the object");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
 
  prop = RNA_def_property(srna, "use_weight_as_factor", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "flag", MOD_GREASE_PENCIL_TINT_USE_WEIGHT_AS_FACTOR);
  RNA_def_property_ui_text(
      prop, "Use Weight as Factor", "Use vertex group weight as factor instead of influence");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
}
 
static void rna_def_modifier_grease_pencil_lineart(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem modifier_lineart_source_type[] = {
      {LINEART_SOURCE_COLLECTION, "COLLECTION", 0, "Collection", ""},
      {LINEART_SOURCE_OBJECT, "OBJECT", 0, "Object", ""},
      {LINEART_SOURCE_SCENE, "SCENE", 0, "Scene", ""},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem modifier_lineart_shadow_region_filtering[] = {
      {LINEART_SHADOW_FILTER_NONE,
       "NONE",
       0,
       "None",
       "Not filtering any lines based on illumination region"},
      {LINEART_SHADOW_FILTER_ILLUMINATED,
       "ILLUMINATED",
       0,
       "Illuminated",
       "Only selecting lines from illuminated regions"},
      {LINEART_SHADOW_FILTER_SHADED,
       "SHADED",
       0,
       "Shaded",
       "Only selecting lines from shaded regions"},
      {LINEART_SHADOW_FILTER_ILLUMINATED_ENCLOSED_SHAPES,
       "ILLUMINATED_ENCLOSED",
       0,
       "Illuminated (Enclosed Shapes)",
       "Selecting lines from lit regions, and make the combination of contour, light contour and "
       "shadow lines into enclosed shapes"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem modifier_lineart_silhouette_filtering[] = {
      {LINEART_SILHOUETTE_FILTER_NONE, "NONE", 0, "Contour", ""},
      {LINEART_SILHOUETTE_FILTER_GROUP, "GROUP", 0, "Silhouette", ""},
      {LINEART_SILHOUETTE_FILTER_INDIVIDUAL, "INDIVIDUAL", 0, "Individual Silhouette", ""},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "GreasePencilLineartModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna, "Line Art Modifier", "Generate Line Art strokes from selected source");
  RNA_def_struct_sdna(srna, "GreasePencilLineartModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_LINEART);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "use_custom_camera", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "calculation_flags", MOD_LINEART_USE_CUSTOM_CAMERA);
  RNA_def_property_ui_text(
      prop, "Use Custom Camera", "Use custom camera instead of the active camera");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "use_fuzzy_intersections", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "calculation_flags", MOD_LINEART_INTERSECTION_AS_CONTOUR);
  RNA_def_property_ui_text(prop,
                           "Intersection With Contour",
                           "Treat intersection and contour lines as if they were the same type so "
                           "they can be chained together");
  RNA_def_property_update(prop, NC_SCENE, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_fuzzy_all", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "calculation_flags", MOD_LINEART_EVERYTHING_AS_CONTOUR);
  RNA_def_property_ui_text(
      prop, "All Lines", "Treat all lines as the same line type so they can be chained together");
  RNA_def_property_update(prop, NC_SCENE, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_object_instances", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "calculation_flags", MOD_LINEART_ALLOW_DUPLI_OBJECTS);
  RNA_def_property_ui_text(prop,
                           "Instanced Objects",
                           "Allow particle objects and face/vertex instances to show in Line Art");
  RNA_def_property_update(prop, NC_SCENE, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_edge_overlap", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "calculation_flags", MOD_LINEART_ALLOW_OVERLAPPING_EDGES);
  RNA_def_property_ui_text(
      prop,
      "Handle Overlapping Edges",
      "Allow edges in the same location (i.e. from edge split) to show properly. May run slower.");
  RNA_def_property_update(prop, NC_SCENE, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_clip_plane_boundaries", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "calculation_flags", MOD_LINEART_ALLOW_CLIPPING_BOUNDARIES);
  RNA_def_property_ui_text(prop,
                           "Clipping Boundaries",
                           "Allow lines generated by the near/far clipping plane to be shown");
  RNA_def_property_update(prop, NC_SCENE, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "crease_threshold", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_range(prop, 0, DEG2RAD(180.0f));
  RNA_def_property_ui_range(prop, 0.0f, DEG2RAD(180.0f), 0.01f, 1);
  RNA_def_property_ui_text(prop,
                           "Crease Threshold",
                           "Angles smaller than this will be treated as creases. Crease angle "
                           "priority: object Line Art crease override > mesh auto smooth angle > "
                           "Line Art default crease.");
  RNA_def_property_update(prop, NC_SCENE, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "split_angle", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, nullptr, "angle_splitting_threshold");
  RNA_def_property_ui_text(
      prop, "Angle Splitting", "Angle in screen space below which a stroke is split in two");
  /* Don't allow value very close to PI, or we get a lot of small segments. */
  RNA_def_property_ui_range(prop, 0.0f, DEG2RAD(179.5f), 0.01f, 1);
  RNA_def_property_range(prop, 0.0f, DEG2RAD(180.0f));
  RNA_def_property_update(prop, NC_SCENE, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "smooth_tolerance", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "chain_smooth_tolerance");
  RNA_def_property_ui_text(
      prop, "Smooth Tolerance", "Strength of smoothing applied on jagged chains");
  RNA_def_property_ui_range(prop, 0.0f, 1.0f, 0.05f, 4);
  RNA_def_property_range(prop, 0.0f, 30.0f);
  RNA_def_property_update(prop, NC_SCENE, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_loose_as_contour", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "calculation_flags", MOD_LINEART_LOOSE_AS_CONTOUR);
  RNA_def_property_ui_text(prop, "Loose As Contour", "Loose edges will have contour type");
  RNA_def_property_update(prop, NC_SCENE, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_source_vertex_group", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "calculation_flags", MOD_LINEART_INVERT_SOURCE_VGROUP);
  RNA_def_property_ui_text(prop, "Invert Vertex Group", "Invert source vertex group values");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_output_vertex_group_match_by_name", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "calculation_flags", MOD_LINEART_MATCH_OUTPUT_VGROUP);
  RNA_def_property_ui_text(prop, "Match Output", "Match output vertex group based on name");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_face_mark", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "calculation_flags", MOD_LINEART_FILTER_FACE_MARK);
  RNA_def_property_ui_text(
      prop, "Filter Face Marks", "Filter feature lines using Freestyle face marks");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_face_mark_invert", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "calculation_flags", MOD_LINEART_FILTER_FACE_MARK_INVERT);
  RNA_def_property_ui_text(prop, "Invert", "Invert face mark filtering");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_face_mark_boundaries", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "calculation_flags", MOD_LINEART_FILTER_FACE_MARK_BOUNDARIES);
  RNA_def_property_ui_text(
      prop, "Boundaries", "Filter feature lines based on face mark boundaries");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_face_mark_keep_contour", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "calculation_flags", MOD_LINEART_FILTER_FACE_MARK_KEEP_CONTOUR);
  RNA_def_property_ui_text(prop, "Keep Contour", "Preserve contour lines while filtering");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "chaining_image_threshold", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_ui_text(
      prop,
      "Image Threshold",
      "Segments with an image distance smaller than this will be chained together");
  RNA_def_property_ui_range(prop, 0.0f, 0.3f, 0.001f, 4);
  RNA_def_property_range(prop, 0.0f, 0.3f);
  RNA_def_property_update(prop, NC_SCENE, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_loose_edge_chain", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "calculation_flags", MOD_LINEART_CHAIN_LOOSE_EDGES);
  RNA_def_property_ui_text(prop, "Chain Loose Edges", "Allow loose edges to be chained together");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_geometry_space_chain", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "calculation_flags", MOD_LINEART_CHAIN_GEOMETRY_SPACE);
  RNA_def_property_ui_text(
      prop, "Use Geometry Space", "Use geometry distance for chaining instead of image space");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_detail_preserve", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "calculation_flags", MOD_LINEART_CHAIN_PRESERVE_DETAILS);
  RNA_def_property_ui_text(
      prop, "Preserve Details", "Keep the zig-zag \"noise\" in initial chaining");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_overlap_edge_type_support", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "calculation_flags", MOD_LINEART_ALLOW_OVERLAP_EDGE_TYPES);
  RNA_def_property_ui_text(prop,
                           "Overlapping Edge Types",
                           "Allow an edge to have multiple overlapping types. This will create a "
                           "separate stroke for each overlapping type.");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "stroke_depth_offset", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_ui_text(prop,
                           "Stroke Depth Offset",
                           "Move strokes slightly towards the camera to avoid clipping while "
                           "preserve depth for the viewport");
  RNA_def_property_ui_range(prop, 0.0, 0.5, 0.001, 4);
  RNA_def_property_range(prop, -0.1, FLT_MAX);
  RNA_def_property_update(prop, NC_SCENE, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_offset_towards_custom_camera", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "flags", LINEART_GPENCIL_OFFSET_TOWARDS_CUSTOM_CAMERA);
  RNA_def_property_ui_text(prop,
                           "Offset Towards Custom Camera",
                           "Offset strokes towards selected camera instead of the active camera");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "source_camera", PROP_POINTER, PROP_NONE);
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_struct_type(prop, "Object");
  RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
  RNA_def_property_ui_text(
      prop, "Camera Object", "Use specified camera object for generating Line Art strokes");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "light_contour_object", PROP_POINTER, PROP_NONE);
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_struct_type(prop, "Object");
  RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
  RNA_def_property_ui_text(
      prop, "Light Object", "Use this light object to generate light contour");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "source_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, modifier_lineart_source_type);
  RNA_def_property_ui_text(prop, "Source Type", "Line Art stroke source type");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "source_object", PROP_POINTER, PROP_NONE);
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_struct_type(prop, "Object");
  RNA_def_property_ui_text(prop, "Object", "Generate strokes from this object");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "source_collection", PROP_POINTER, PROP_NONE);
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_struct_type(prop, "Collection");
  RNA_def_property_ui_text(
      prop, "Collection", "Generate strokes from the objects in this collection");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  /* types */
  prop = RNA_def_property(srna, "use_contour", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "edge_types", MOD_LINEART_EDGE_FLAG_CONTOUR);
  RNA_def_property_ui_text(prop, "Use Contour", "Generate strokes from contours lines");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_loose", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "edge_types", MOD_LINEART_EDGE_FLAG_LOOSE);
  RNA_def_property_ui_text(prop, "Use Loose", "Generate strokes from loose edges");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_crease", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "edge_types", MOD_LINEART_EDGE_FLAG_CREASE);
  RNA_def_property_ui_text(prop, "Use Crease", "Generate strokes from creased edges");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_material", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "edge_types", MOD_LINEART_EDGE_FLAG_MATERIAL);
  RNA_def_property_ui_text(
      prop, "Use Material", "Generate strokes from borders between materials");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_edge_mark", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "edge_types", MOD_LINEART_EDGE_FLAG_EDGE_MARK);
  RNA_def_property_ui_text(prop, "Use Edge Mark", "Generate strokes from Freestyle marked edges");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_intersection", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "edge_types", MOD_LINEART_EDGE_FLAG_INTERSECTION);
  RNA_def_property_ui_text(prop, "Use Intersection", "Generate strokes from intersections");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_light_contour", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "edge_types", MOD_LINEART_EDGE_FLAG_LIGHT_CONTOUR);
  RNA_def_property_ui_text(prop,
                           "Use Light Contour",
                           "Generate light/shadow separation lines from a reference light object");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_shadow", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "edge_types", MOD_LINEART_EDGE_FLAG_PROJECTED_SHADOW);
  RNA_def_property_ui_text(
      prop, "Use Shadow", "Project contour lines using a light source object");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "shadow_region_filtering", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "shadow_selection");
  RNA_def_property_enum_items(prop, modifier_lineart_shadow_region_filtering);
  RNA_def_property_ui_text(prop,
                           "Shadow Region Filtering",
                           "Select feature lines that comes from lit or shaded regions. Will not "
                           "affect cast shadow and light contour since they are at the border.");
  RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_GPENCIL);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "silhouette_filtering", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "silhouette_selection");
  RNA_def_property_enum_items(prop, modifier_lineart_silhouette_filtering);
  RNA_def_property_ui_text(prop, "Silhouette Filtering", "Select contour or silhouette");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "use_multiple_levels", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "use_multiple_levels", 0);
  RNA_def_property_ui_text(
      prop, "Use Occlusion Range", "Generate strokes from a range of occlusion levels");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "level_start", PROP_INT, PROP_NONE);
  RNA_def_property_ui_text(
      prop, "Level Start", "Minimum number of occlusions for the generated strokes");
  RNA_def_property_range(prop, 0, 128);
  RNA_def_property_int_funcs(prop, nullptr, "rna_Lineart_start_level_set", nullptr);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "level_end", PROP_INT, PROP_NONE);
  RNA_def_property_ui_text(
      prop, "Level End", "Maximum number of occlusions for the generated strokes");
  RNA_def_property_range(prop, 0, 128);
  RNA_def_property_int_funcs(prop, nullptr, "rna_Lineart_end_level_set", nullptr);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "target_layer", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(
      prop, "Layer", "Grease Pencil layer to which assign the generated strokes");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "target_material", PROP_POINTER, PROP_NONE);
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_struct_type(prop, "Material");
  RNA_def_property_pointer_funcs(prop,
                                 nullptr,
                                 "rna_GreasePencilLineartModifier_material_set",
                                 nullptr,
                                 "rna_GreasePencilModifier_material_poll");
  RNA_def_property_ui_text(
      prop, "Material", "Grease Pencil material assigned to the generated strokes");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "source_vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(
      prop,
      "Source Vertex Group",
      "Match the beginning of vertex group names from mesh objects, match all when left empty");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "vgname");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_GreasePencilLineartModifier_vgname_set");
  RNA_def_property_ui_text(prop, "Vertex Group", "Vertex group name for selected strokes");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "is_baked", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", LINEART_GPENCIL_IS_BAKED);
  RNA_def_property_ui_text(prop, "Is Baked", "This modifier has baked data");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_cache", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", LINEART_GPENCIL_USE_CACHE);
  RNA_def_property_ui_text(prop,
                           "Use Cache",
                           "Use cached scene data from the first Line Art modifier in the stack. "
                           "Certain settings will be unavailable.");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "overscan", PROP_FLOAT, PROP_NONE);
  RNA_def_property_ui_text(
      prop,
      "Overscan",
      "A margin to prevent strokes from ending abruptly at the edge of the image");
  RNA_def_property_ui_range(prop, 0.0f, 0.5f, 0.01f, 3);
  RNA_def_property_range(prop, 0.0f, 0.5f);
  RNA_def_property_update(prop, NC_SCENE, "rna_Modifier_update");
 
  /* For 4.5 LTS only, thickness is deprecated in 5.0, but keep this RNA access for compatibility.
   */
  prop = RNA_def_property(srna, "thickness", PROP_INT, PROP_NONE);
  RNA_def_property_ui_text(prop, "Thickness", "The thickness for the generated strokes");
  RNA_def_property_int_sdna(prop, "GreasePencilLineartModifierData", "thickness_legacy");
  RNA_def_property_ui_range(prop, 1, 100, 1, 1);
  RNA_def_property_range(prop, 1, 200);
  RNA_def_property_int_funcs(prop, nullptr, "rna_Lineart_thickness_set", nullptr);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "radius", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_ui_text(prop, "Radius", "The radius for the generated strokes");
  RNA_def_property_ui_range(prop, 0.0f, 0.25f, 0.01f, 2);
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "opacity", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_ui_text(prop, "Opacity", "The strength value for the generate strokes");
  RNA_def_property_ui_range(prop, 0.0f, 1.0f, 0.01f, 2);
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_material_mask", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "mask_switches", LINEART_GPENCIL_MATERIAL_MASK_ENABLE);
  RNA_def_property_ui_text(
      prop, "Use Material Mask", "Use material masks to filter out occluded strokes");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_material_mask_match", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "mask_switches", LINEART_GPENCIL_MATERIAL_MASK_MATCH);
  RNA_def_property_ui_text(
      prop, "Match Masks", "Require matching all material masks instead of just one");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_material_mask_bits", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_bitset_array_sdna(prop, nullptr, "material_mask_bits", 1 << 0, 8);
  RNA_def_property_ui_text(prop, "Masks", "Mask bits to match from Material Line Art settings");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_intersection_match", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "mask_switches", LINEART_GPENCIL_INTERSECTION_MATCH);
  RNA_def_property_ui_text(
      prop, "Match Intersection", "Require matching all intersection masks instead of just one");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_intersection_mask", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_bitset_array_sdna(prop, nullptr, "intersection_mask", 1 << 0, 8);
  RNA_def_property_ui_text(prop, "Masks", "Mask bits to match from Collection Line Art settings");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_crease_on_smooth", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "calculation_flags", MOD_LINEART_USE_CREASE_ON_SMOOTH_SURFACES);
  RNA_def_property_ui_text(
      prop, "Crease On Smooth Surfaces", "Allow crease edges to show inside smooth surfaces");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_crease_on_sharp", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "calculation_flags", MOD_LINEART_USE_CREASE_ON_SHARP_EDGES);
  RNA_def_property_ui_text(prop, "Crease On Sharp Edges", "Allow crease to show on sharp edges");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_image_boundary_trimming", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "calculation_flags", MOD_LINEART_USE_IMAGE_BOUNDARY_TRIMMING);
  RNA_def_property_ui_text(
      prop,
      "Image Boundary Trimming",
      "Trim all edges right at the boundary of image (including overscan region)");
 
  prop = RNA_def_property(srna, "use_back_face_culling", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "calculation_flags", MOD_LINEART_USE_BACK_FACE_CULLING);
  RNA_def_property_ui_text(
      prop,
      "Back Face Culling",
      "Remove all back faces to speed up calculation, this will create edges in "
      "different occlusion levels than when disabled");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "shadow_camera_near", PROP_FLOAT, PROP_NONE);
  RNA_def_property_ui_text(prop, "Shadow Camera Near", "Near clipping distance of shadow camera");
  RNA_def_property_ui_range(prop, 0.0f, 500.0f, 0.1f, 2);
  RNA_def_property_range(prop, 0.0f, 10000.0f);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "shadow_camera_far", PROP_FLOAT, PROP_NONE);
  RNA_def_property_ui_text(prop, "Shadow Camera Far", "Far clipping distance of shadow camera");
  RNA_def_property_ui_range(prop, 0.0f, 500.0f, 0.1f, 2);
  RNA_def_property_range(prop, 0.0f, 10000.0f);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "shadow_camera_size", PROP_FLOAT, PROP_NONE);
  RNA_def_property_ui_text(
      prop,
      "Shadow Camera Size",
      "Represents the \"Orthographic Scale\" of an orthographic camera. "
      "If the camera is positioned at the light's location with this scale, it will "
      "represent the coverage of the shadow \"camera\".");
  RNA_def_property_ui_range(prop, 0.0f, 500.0f, 0.1f, 2);
  RNA_def_property_range(prop, 0.0f, 10000.0f);
 
  prop = RNA_def_property(srna, "use_invert_collection", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", LINEART_GPENCIL_INVERT_COLLECTION);
  RNA_def_property_ui_text(prop,
                           "Invert Collection Filtering",
                           "Select everything except lines from specified collection");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_invert_silhouette", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flags", LINEART_GPENCIL_INVERT_SILHOUETTE_FILTER);
  RNA_def_property_ui_text(prop, "Invert Silhouette Filtering", "Select anti-silhouette lines");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_smooth(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "GreasePencilSmoothModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Smooth Modifier", "Smooth effect modifier");
  RNA_def_struct_sdna(srna, "GreasePencilSmoothModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_SMOOTH);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilSmoothModifier_material_filter_set");
  rna_def_modifier_grease_pencil_vertex_group(
      srna, "rna_GreasePencilSmoothModifier_vertex_group_name_set");
  rna_def_modifier_grease_pencil_custom_curve(srna);
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "factor", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "factor");
  RNA_def_property_range(prop, 0, 1);
  RNA_def_property_ui_text(prop, "Factor", "Amount of smooth to apply");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_edit_position", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_SMOOTH_MOD_LOCATION);
  RNA_def_property_ui_text(
      prop, "Affect Position", "The modifier affects the position of the point");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_edit_strength", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_SMOOTH_MOD_STRENGTH);
  RNA_def_property_ui_text(
      prop, "Affect Strength", "The modifier affects the color strength of the point");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_edit_thickness", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_SMOOTH_MOD_THICKNESS);
  RNA_def_property_ui_text(
      prop, "Affect Thickness", "The modifier affects the thickness of the point");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_edit_uv", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_SMOOTH_MOD_UV);
  RNA_def_property_ui_text(
      prop, "Affect UV", "The modifier affects the UV rotation factor of the point");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "step", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "step");
  RNA_def_property_range(prop, 1, 1000);
  RNA_def_property_ui_text(
      prop, "Steps", "Number of times to apply smooth (high numbers can reduce fps)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_keep_shape", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_SMOOTH_KEEP_SHAPE);
  RNA_def_property_ui_text(prop, "Keep Shape", "Smooth the details, but keep the overall shape");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_smooth_ends", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_SMOOTH_SMOOTH_ENDS);
  RNA_def_property_ui_text(prop, "Smooth Ends", "Smooth ends of strokes");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_offset(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  RNA_define_lib_overridable(true);
  static EnumPropertyItem offset_mode_items[] = {
      {MOD_GREASE_PENCIL_OFFSET_RANDOM, "RANDOM", 0, "Random", "Randomize stroke offset"},
      {MOD_GREASE_PENCIL_OFFSET_LAYER, "LAYER", 0, "Layer", "Offset layers by the same factor"},
      {MOD_GREASE_PENCIL_OFFSET_STROKE,
       "STROKE",
       0,
       "Stroke",
       "Offset strokes by the same factor based on stroke draw order"},
      {MOD_GREASE_PENCIL_OFFSET_MATERIAL,
       "MATERIAL",
       0,
       "Material",
       "Offset materials by the same factor"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "GreasePencilOffsetModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Grease Pencil Offset Modifier", "");
  RNA_def_struct_sdna(srna, "GreasePencilOffsetModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_OFFSET);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilOffsetModifier_material_filter_set");
  rna_def_modifier_grease_pencil_vertex_group(
      srna, "rna_GreasePencilOffsetModifier_vertex_group_name_set");
 
  rna_def_modifier_panel_open_prop(srna, "open_general_panel", 0);
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 1);
 
  prop = RNA_def_property(srna, "offset_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, offset_mode_items);
  RNA_def_property_ui_text(prop, "Mode", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "location", PROP_FLOAT, PROP_TRANSLATION);
  RNA_def_property_float_sdna(prop, nullptr, "loc");
  RNA_def_property_ui_text(prop, "Location", "Values for change location");
  RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, RNA_TRANSLATION_PREC_DEFAULT);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "rotation", PROP_FLOAT, PROP_EULER);
  RNA_def_property_float_sdna(prop, nullptr, "rot");
  RNA_def_property_ui_text(prop, "Rotation", "Values for changes in rotation");
  RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 100, RNA_TRANSLATION_PREC_DEFAULT);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "scale", PROP_FLOAT, PROP_XYZ);
  RNA_def_property_float_sdna(prop, nullptr, "scale");
  RNA_def_property_ui_text(prop, "Scale", "Values for changes in scale");
  RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, RNA_TRANSLATION_PREC_DEFAULT);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "stroke_location", PROP_FLOAT, PROP_XYZ);
  RNA_def_property_float_sdna(prop, nullptr, "stroke_loc");
  RNA_def_property_ui_text(prop, "Random Offset", "Value for changes in location");
  RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, RNA_TRANSLATION_PREC_DEFAULT);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "stroke_rotation", PROP_FLOAT, PROP_EULER);
  RNA_def_property_float_sdna(prop, nullptr, "stroke_rot");
  RNA_def_property_ui_text(prop, "Random Rotation", "Value for changes in rotation");
  RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 100, RNA_TRANSLATION_PREC_DEFAULT);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "stroke_scale", PROP_FLOAT, PROP_XYZ);
  RNA_def_property_float_sdna(prop, nullptr, "stroke_scale");
  RNA_def_property_ui_text(prop, "Scale", "Value for changes in scale");
  RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, RNA_TRANSLATION_PREC_DEFAULT);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "seed", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_ui_text(prop, "Seed", "Random seed");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "stroke_step", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_ui_text(prop, "Step", "Number of elements that will be grouped");
  RNA_def_property_range(prop, 1, 500);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "stroke_start_offset", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_ui_text(prop, "Start Offset", "Offset starting point");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_uniform_random_scale", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "flag", MOD_GREASE_PENCIL_OFFSET_UNIFORM_RANDOM_SCALE);
  RNA_def_property_ui_text(
      prop, "Uniform Scale", "Use the same random seed for each scale axis for a uniform scale");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_noise(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem modifier_noise_random_mode_items[] = {
      {GP_NOISE_RANDOM_STEP, "STEP", 0, "Steps", "Randomize every number of frames"},
      {GP_NOISE_RANDOM_KEYFRAME, "KEYFRAME", 0, "Keyframes", "Randomize on keyframes only"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "GreasePencilNoiseModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Grease Pencil Noise Modifier", "Noise effect modifier");
  RNA_def_struct_sdna(srna, "GreasePencilNoiseModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_NOISE);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilNoiseModifier_material_filter_set");
  rna_def_modifier_grease_pencil_vertex_group(
      srna, "rna_GreasePencilNoiseModifier_vertex_group_name_set");
  rna_def_modifier_grease_pencil_custom_curve(srna);
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
  rna_def_modifier_panel_open_prop(srna, "open_random_panel", 1);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "factor", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "factor");
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, 1.0, 0.1, 2);
  RNA_def_property_ui_text(prop, "Position Factor", "Amount of noise to apply");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "factor_strength", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "factor_strength");
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, 1.0, 0.1, 2);
  RNA_def_property_ui_text(prop, "Strength Factor", "Amount of noise to apply to opacity");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "factor_thickness", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "factor_thickness");
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, 1.0, 0.1, 2);
  RNA_def_property_ui_text(prop, "Thickness Factor", "Amount of noise to apply to thickness");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "factor_uvs", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "factor_uvs");
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, 1.0, 0.1, 2);
  RNA_def_property_ui_text(prop, "UV Factor", "Amount of noise to apply to UV rotation");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_random", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", GP_NOISE_USE_RANDOM);
  RNA_def_property_ui_text(prop, "Random", "Use random values over time");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "seed", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_ui_text(prop, "Noise Seed", "Random seed");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "noise_scale", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "noise_scale");
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_text(prop, "Noise Scale", "Scale the noise frequency");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "noise_offset", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "noise_offset");
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, 100.0, 0.1, 3);
  RNA_def_property_ui_text(prop, "Noise Offset", "Offset the noise along the strokes");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "step", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "step");
  RNA_def_property_range(prop, 1, 100);
  RNA_def_property_ui_text(prop, "Step", "Number of frames between randomization steps");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "random_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "noise_mode");
  RNA_def_property_enum_items(prop, modifier_noise_random_mode_items);
  RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_GPENCIL);
  RNA_def_property_ui_text(prop, "Mode", "Where to perform randomization");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_length(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
  static const EnumPropertyItem gpencil_length_mode_items[] = {
      {GP_LENGTH_RELATIVE, "RELATIVE", 0, "Relative", "Length in ratio to the stroke's length"},
      {GP_LENGTH_ABSOLUTE, "ABSOLUTE", 0, "Absolute", "Length in geometry space"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "GreasePencilLengthModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Length Modifier", "Stretch or shrink strokes");
  RNA_def_struct_sdna(srna, "GreasePencilLengthModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_LENGTH);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilLengthModifier_material_filter_set");
 
  rna_def_modifier_panel_open_prop(srna, "open_random_panel", 0);
  rna_def_modifier_panel_open_prop(srna, "open_curvature_panel", 1);
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 2);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "start_factor", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "start_fac");
  RNA_def_property_ui_range(prop, -10.0f, 10.0f, 0.1, 2);
  RNA_def_property_ui_text(
      prop, "Start Factor", "Added length to the start of each stroke relative to its length");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "end_factor", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "end_fac");
  RNA_def_property_ui_range(prop, -10.0f, 10.0f, 0.1, 2);
  RNA_def_property_ui_text(
      prop, "End Factor", "Added length to the end of each stroke relative to its length");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "start_length", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "start_fac");
  RNA_def_property_ui_range(prop, -100.0f, 100.0f, 0.1f, 3);
  RNA_def_property_ui_text(
      prop, "Start Factor", "Absolute added length to the start of each stroke");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "end_length", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "end_fac");
  RNA_def_property_ui_range(prop, -100.0f, 100.0f, 0.1f, 3);
  RNA_def_property_ui_text(prop, "End Factor", "Absolute added length to the end of each stroke");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "random_start_factor", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "rand_start_fac");
  RNA_def_property_ui_range(prop, -10.0f, 10.0f, 0.1, 1);
  RNA_def_property_ui_text(
      prop, "Random Start Factor", "Size of random length added to the start of each stroke");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "random_end_factor", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "rand_end_fac");
  RNA_def_property_ui_range(prop, -10.0f, 10.0f, 0.1, 1);
  RNA_def_property_ui_text(
      prop, "Random End Factor", "Size of random length added to the end of each stroke");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "random_offset", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "rand_offset");
  RNA_def_property_ui_range(prop, 0.0f, 100.0f, 0.1, 3);
  RNA_def_property_ui_text(
      prop, "Random Noise Offset", "Smoothly offset each stroke's random value");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_random", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", GP_LENGTH_USE_RANDOM);
  RNA_def_property_ui_text(prop, "Random", "Use random values over time");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "seed", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_ui_text(prop, "Seed", "Random seed");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "step", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "step");
  RNA_def_property_range(prop, 1, 100);
  RNA_def_property_ui_text(prop, "Step", "Number of frames between randomization steps");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "overshoot_factor", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "overshoot_fac");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(
      prop,
      "Used Length",
      "Defines what portion of the stroke is used for the calculation of the extension");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "mode");
  RNA_def_property_enum_items(prop, gpencil_length_mode_items);
  RNA_def_property_ui_text(prop, "Mode", "Mode to define length");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_curvature", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", GP_LENGTH_USE_CURVATURE);
  RNA_def_property_ui_text(prop, "Use Curvature", "Follow the curvature of the stroke");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "invert_curvature", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", GP_LENGTH_INVERT_CURVATURE);
  RNA_def_property_ui_text(
      prop, "Invert Curvature", "Invert the curvature of the stroke's extension");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "point_density", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, 0.1f, 1000.0f);
  RNA_def_property_ui_range(prop, 0.1f, 1000.0f, 1.0f, 1);
  RNA_def_property_ui_scale_type(prop, PROP_SCALE_CUBIC);
  RNA_def_property_ui_text(
      prop, "Point Density", "Multiplied by Start/End for the total added point count");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "segment_influence", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_range(prop, -2.0f, 3.0f);
  RNA_def_property_ui_range(prop, 0.0f, 1.0f, 0.1f, 2);
  RNA_def_property_ui_text(prop,
                           "Segment Influence",
                           "Factor to determine how much the length of the individual segments "
                           "should influence the final computed curvature. Higher factors makes "
                           "small segments influence the overall curvature less.");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "max_angle", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_ui_text(prop,
                           "Filter Angle",
                           "Ignore points on the stroke that deviate from their neighbors by more "
                           "than this angle when determining the extrapolation shape");
  RNA_def_property_range(prop, 0.0f, DEG2RAD(180.0f));
  RNA_def_property_ui_range(prop, 0.0f, DEG2RAD(179.5f), 10.0f, 1);
  RNA_def_property_update(prop, NC_SCENE, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_mirror(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "GreasePencilMirrorModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Grease Pencil Mirror Modifier", "");
  RNA_def_struct_sdna(srna, "GreasePencilMirrorModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_MIRROR);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilMirrorModifier_material_filter_set");
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Object", "Object used as center");
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_GreasePencilMirrorModifier_object_set", nullptr, nullptr);
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "use_axis_x", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_MIRROR_AXIS_X);
  RNA_def_property_ui_text(prop, "X", "Mirror the X axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_axis_y", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_MIRROR_AXIS_Y);
  RNA_def_property_ui_text(prop, "Y", "Mirror the Y axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_axis_z", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_MIRROR_AXIS_Z);
  RNA_def_property_ui_text(prop, "Z", "Mirror the Z axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_thickness(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "GreasePencilThickModifierData", "Modifier");
  RNA_def_struct_ui_text(srna, "Grease Pencil Thickness Modifier", "Adjust stroke thickness");
  RNA_def_struct_sdna(srna, "GreasePencilThickModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_THICKNESS);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilThickModifier_material_filter_set");
  rna_def_modifier_grease_pencil_vertex_group(
      srna, "rna_GreasePencilThickModifier_vertex_group_name_set");
  rna_def_modifier_grease_pencil_custom_curve(srna);
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "thickness", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "thickness");
  RNA_def_property_range(prop, -10.0f, 100.0f);
  RNA_def_property_ui_range(prop, -1.0f, 1.0f, 0.005, 3);
  RNA_def_property_ui_text(prop, "Thickness", "Absolute thickness to apply everywhere");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "thickness_factor", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "thickness_fac");
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, 10.0, 0.1, 3);
  RNA_def_property_ui_text(prop, "Thickness Factor", "Factor to multiply the thickness with");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_weight_factor", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_THICK_WEIGHT_FACTOR);
  RNA_def_property_ui_text(prop, "Weighted", "Use weight to modulate effect");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_uniform_thickness", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_THICK_NORMALIZE);
  RNA_def_property_ui_text(prop, "Uniform Thickness", "Replace the stroke thickness");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_array(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "GreasePencilArrayModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Instance Modifier", "Create grid of duplicate instances");
  RNA_def_struct_sdna(srna, "GreasePencilArrayModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_ARRAY);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilArrayModifier_material_filter_set");
 
  rna_def_modifier_panel_open_prop(srna, "open_constant_offset_panel", 0);
  rna_def_modifier_panel_open_prop(srna, "open_relative_offset_panel", 1);
  rna_def_modifier_panel_open_prop(srna, "open_object_offset_panel", 2);
  rna_def_modifier_panel_open_prop(srna, "open_randomize_panel", 3);
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 4);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "count", PROP_INT, PROP_NONE);
  RNA_def_property_range(prop, 1, SHRT_MAX);
  RNA_def_property_ui_range(prop, 1, 50, 1, -1);
  RNA_def_property_ui_text(prop, "Count", "Number of items");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* Offset parameters */
  prop = RNA_def_property(srna, "offset_object", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "object");
  RNA_def_property_ui_text(
      prop,
      "Offset Object",
      "Use the location and rotation of another object to determine the distance and "
      "rotational change between arrayed items");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "constant_offset", PROP_FLOAT, PROP_TRANSLATION);
  RNA_def_property_float_sdna(prop, nullptr, "offset");
  RNA_def_property_ui_text(prop, "Constant Offset", "Value for the distance between items");
  RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, RNA_TRANSLATION_PREC_DEFAULT);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "relative_offset", PROP_FLOAT, PROP_XYZ);
  RNA_def_property_float_sdna(prop, nullptr, "shift");
  RNA_def_property_ui_text(
      prop,
      "Relative Offset",
      "The size of the geometry will determine the distance between arrayed items");
  RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, RNA_TRANSLATION_PREC_DEFAULT);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "random_offset", PROP_FLOAT, PROP_XYZ);
  RNA_def_property_float_sdna(prop, nullptr, "rnd_offset");
  RNA_def_property_ui_text(prop, "Random Offset", "Value for changes in location");
  RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, RNA_TRANSLATION_PREC_DEFAULT);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "random_rotation", PROP_FLOAT, PROP_EULER);
  RNA_def_property_float_sdna(prop, nullptr, "rnd_rot");
  RNA_def_property_ui_text(prop, "Random Rotation", "Value for changes in rotation");
  RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 100, RNA_TRANSLATION_PREC_DEFAULT);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "random_scale", PROP_FLOAT, PROP_XYZ);
  RNA_def_property_float_sdna(prop, nullptr, "rnd_scale");
  RNA_def_property_ui_text(prop, "Scale", "Value for changes in scale");
  RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, RNA_TRANSLATION_PREC_DEFAULT);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "seed", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_ui_text(prop, "Seed", "Random seed");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "replace_material", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "mat_rpl");
  RNA_def_property_range(prop, 0, SHRT_MAX);
  RNA_def_property_ui_text(
      prop,
      "Material",
      "Index of the material used for generated strokes (0 keep original material)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_constant_offset", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_ARRAY_USE_OFFSET);
  RNA_def_property_ui_text(prop, "Offset", "Enable offset");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_object_offset", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_ARRAY_USE_OB_OFFSET);
  RNA_def_property_ui_text(
      prop, "Use Object Offset", "Add another object's transformation to the total offset");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_relative_offset", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_ARRAY_USE_RELATIVE);
  RNA_def_property_ui_text(prop, "Shift", "Add an offset relative to the object's bounding box");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_uniform_random_scale", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "flag", MOD_GREASE_PENCIL_ARRAY_UNIFORM_RANDOM_SCALE);
  RNA_def_property_ui_text(
      prop, "Uniform Scale", "Use the same random seed for each scale axis for a uniform scale");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_lattice(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "GreasePencilLatticeModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna, "Grease Pencil Lattice Modifier", "Deform strokes using a lattice object");
  RNA_def_struct_sdna(srna, "GreasePencilLatticeModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_LATTICE);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilLatticeModifier_material_filter_set");
  rna_def_modifier_grease_pencil_vertex_group(
      srna, "rna_GreasePencilLatticeModifier_vertex_group_name_set");
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Object", "Lattice object to deform with");
  RNA_def_property_pointer_funcs(prop,
                                 nullptr,
                                 "rna_GreasePencilLatticeModifier_object_set",
                                 nullptr,
                                 "rna_Lattice_object_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "strength", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 1, 10, 2);
  RNA_def_property_ui_text(prop, "Strength", "Strength of modifier effect");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_dash_segment(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "GreasePencilDashModifierSegment", nullptr);
  RNA_def_struct_ui_text(srna, "Dash Modifier Segment", "Configuration for a single dash segment");
  RNA_def_struct_sdna(srna, "GreasePencilDashModifierSegment");
  RNA_def_struct_path_func(srna, "rna_GreasePencilDashModifierSegment_path");
 
  prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(prop, "Name", "Name of the dash segment");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_GreasePencilDashModifierSegment_name_set");
  RNA_def_struct_name_property(srna, prop);
  RNA_def_property_update(prop, NC_OBJECT | ND_MODIFIER | NA_RENAME, nullptr);
 
  prop = RNA_def_property(srna, "dash", PROP_INT, PROP_NONE);
  RNA_def_property_range(prop, 1, INT16_MAX);
  RNA_def_property_ui_text(
      prop,
      "Dash",
      "The number of consecutive points from the original stroke to include in this segment");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "gap", PROP_INT, PROP_NONE);
  RNA_def_property_range(prop, 0, INT16_MAX);
  RNA_def_property_ui_text(prop, "Gap", "The number of points skipped after this segment");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "radius", PROP_FLOAT, PROP_FACTOR | PROP_UNSIGNED);
  RNA_def_property_ui_range(prop, 0, 1, 0.1, 2);
  RNA_def_property_ui_text(
      prop, "Radius", "The factor to apply to the original point's radius for the new points");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "opacity", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_ui_range(prop, 0, 1, 0.1, 2);
  RNA_def_property_ui_text(
      prop, "Opacity", "The factor to apply to the original point's opacity for the new points");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "material_index", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "mat_nr");
  RNA_def_property_range(prop, -1, INT16_MAX);
  RNA_def_property_ui_text(
      prop,
      "Material Index",
      "Use this index on generated segment. -1 means using the existing material.");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_cyclic", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_DASH_USE_CYCLIC);
  RNA_def_property_ui_text(prop, "Cyclic", "Enable cyclic on individual stroke dashes");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
}
 
static void rna_def_modifier_grease_pencil_dash(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "GreasePencilDashModifierData", "Modifier");
  RNA_def_struct_ui_text(
      srna, "Grease Pencil Dash Modifier", "Create dot-dash effect for strokes");
  RNA_def_struct_sdna(srna, "GreasePencilDashModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_DASH);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilDashModifier_material_filter_set");
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "segments", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_struct_type(prop, "GreasePencilDashModifierSegment");
  RNA_def_property_collection_sdna(prop, nullptr, "segments_array", nullptr);
  RNA_def_property_collection_funcs(prop,
                                    "rna_GreasePencilDashModifier_segments_begin",
                                    "rna_iterator_array_next",
                                    "rna_iterator_array_end",
                                    "rna_iterator_array_get",
                                    nullptr,
                                    nullptr,
                                    nullptr,
                                    nullptr);
  RNA_def_property_ui_text(prop, "Segments", "");
 
  prop = RNA_def_property(srna, "segment_active_index", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(prop, "Active Dash Segment Index", "Active index in the segment list");
 
  prop = RNA_def_property(srna, "dash_offset", PROP_INT, PROP_NONE);
  RNA_def_property_ui_text(
      prop,
      "Offset",
      "Offset into each stroke before the beginning of the dashed segment generation");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_weight_angle(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem axis_items[] = {
      {0, "X", 0, "X", ""},
      {1, "Y", 0, "Y", ""},
      {2, "Z", 0, "Z", ""},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem space_items[] = {
      {MOD_GREASE_PENCIL_WEIGHT_ANGLE_SPACE_LOCAL, "LOCAL", 0, "Local Space", ""},
      {MOD_GREASE_PENCIL_WEIGHT_ANGLE_SPACE_WORLD, "WORLD", 0, "World Space", ""},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "GreasePencilWeightAngleModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Weight Modifier Angle", "Calculate Vertex Weight dynamically");
  RNA_def_struct_sdna(srna, "GreasePencilWeightAngleModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_VERTEX_WEIGHT);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilWeightAngleModifier_material_filter_set");
  rna_def_modifier_grease_pencil_vertex_group(
      srna, "rna_GreasePencilWeightAngleModifier_vertex_group_name_set");
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "target_vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "target_vgname");
  RNA_def_property_ui_text(prop, "Vertex Group", "Output Vertex group");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_GreasePencilWeightAngleModifier_target_vgname_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_multiply", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", GP_WEIGHT_MULTIPLY_DATA);
  RNA_def_property_ui_text(
      prop,
      "Multiply Weights",
      "Multiply the calculated weights with the existing values in the vertex group");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_invert_output", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", GP_WEIGHT_INVERT_OUTPUT);
  RNA_def_property_ui_text(prop, "Invert", "Invert output weight values");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "angle", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, nullptr, "angle");
  RNA_def_property_ui_text(prop, "Angle", "Angle");
  RNA_def_property_range(prop, 0.0f, DEG2RAD(180.0f));
  RNA_def_property_update(prop, NC_SCENE, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "axis", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "axis");
  RNA_def_property_enum_items(prop, axis_items);
  RNA_def_property_ui_text(prop, "Axis", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "space", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "space");
  RNA_def_property_enum_items(prop, space_items);
  RNA_def_property_ui_text(prop, "Space", "Coordinates space");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "minimum_weight", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "min_weight");
  RNA_def_property_ui_text(prop, "Minimum", "Minimum value for vertex weight");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_multiply(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "GreasePencilMultiplyModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Multiply Modifier", "Generate multiple strokes from one stroke");
  RNA_def_struct_sdna(srna, "GreasePencilMultiModifierData");
  RNA_def_struct_ui_icon(srna, ICON_GP_MULTIFRAME_EDITING);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilMultiModifier_material_filter_set");
 
  rna_def_modifier_panel_open_prop(srna, "open_fading_panel", 1);
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "use_fade", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_MULTIPLY_ENABLE_FADING);
  RNA_def_property_ui_text(prop, "Fade", "Fade the stroke thickness for each generated stroke");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "duplicates", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "duplications");
  RNA_def_property_range(prop, 0, 999);
  RNA_def_property_ui_range(prop, 1, 10, 1, 1);
  RNA_def_property_ui_text(prop, "Duplicates", "How many copies of strokes be displayed");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "distance", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, 1.0, 0.01, 3);
  RNA_def_property_ui_text(prop, "Distance", "Distance of duplications");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "offset", PROP_FLOAT, PROP_NONE);
  RNA_def_property_ui_range(prop, -1, 1, 0.01, 3);
  RNA_def_property_ui_text(prop, "Offset", "Offset of duplicates, -1 to 1 (inner to outer)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "fading_thickness", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, 0, 1);
  RNA_def_property_ui_text(prop, "Thickness", "Fade influence of stroke's thickness");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "fading_opacity", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, 0, 1);
  RNA_def_property_ui_text(prop, "Opacity", "Fade influence of stroke's opacity");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "fading_center", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_range(prop, 0, 1);
  RNA_def_property_ui_text(prop, "Center", "Fade center");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_hook(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem hook_falloff_items[] = {
      {MOD_GREASE_PENCIL_HOOK_Falloff_None, "NONE", 0, "No Falloff", ""},
      {MOD_GREASE_PENCIL_HOOK_Falloff_Curve, "CURVE", 0, "Curve", ""},
      {MOD_GREASE_PENCIL_HOOK_Falloff_Smooth, "SMOOTH", ICON_SMOOTHCURVE, "Smooth", ""},
      {MOD_GREASE_PENCIL_HOOK_Falloff_Sphere, "SPHERE", ICON_SPHERECURVE, "Sphere", ""},
      {MOD_GREASE_PENCIL_HOOK_Falloff_Root, "ROOT", ICON_ROOTCURVE, "Root", ""},
      {MOD_GREASE_PENCIL_HOOK_Falloff_InvSquare,
       "INVERSE_SQUARE",
       ICON_ROOTCURVE,
       "Inverse Square",
       ""},
      {MOD_GREASE_PENCIL_HOOK_Falloff_Sharp, "SHARP", ICON_SHARPCURVE, "Sharp", ""},
      {MOD_GREASE_PENCIL_HOOK_Falloff_Linear, "LINEAR", ICON_LINCURVE, "Linear", ""},
      {MOD_GREASE_PENCIL_HOOK_Falloff_Const, "CONSTANT", ICON_NOCURVE, "Constant", ""},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "GreasePencilHookModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna, "Hook Modifier", "Hook modifier to modify the location of stroke points");
  RNA_def_struct_sdna(srna, "GreasePencilHookModifierData");
  RNA_def_struct_ui_icon(srna, ICON_HOOK);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilHookModifier_material_filter_set");
  rna_def_modifier_grease_pencil_vertex_group(
      srna, "rna_GreasePencilHookModifier_vertex_group_name_set");
  rna_def_modifier_grease_pencil_custom_curve(srna);
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
  rna_def_modifier_panel_open_prop(srna, "open_falloff_panel", 1);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(
      prop, "Object", "Parent Object for hook, also recalculates and clears offset");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_GreasePencilHookModifier_object_set", nullptr, nullptr);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "subtarget", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "subtarget");
  RNA_def_property_ui_text(
      prop,
      "Sub-Target",
      "Name of Parent Bone for hook (if applicable), also recalculates and clears offset");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "strength", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "force");
  RNA_def_property_range(prop, 0, 1);
  RNA_def_property_ui_text(prop, "Strength", "Relative force of the hook");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "falloff_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, hook_falloff_items); /* share the enum */
  RNA_def_property_ui_text(prop, "Falloff Type", "");
  RNA_def_property_translation_context(prop,
                                       BLT_I18NCONTEXT_ID_CURVE_LEGACY); /* Abusing id_curve :/ */
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "falloff_radius", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "falloff");
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 100, 100, 2);
  RNA_def_property_ui_text(
      prop, "Radius", "If not zero, the distance from the hook where influence ends");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "center", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "cent");
  RNA_def_property_ui_text(prop, "Hook Center", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "matrix_inverse", PROP_FLOAT, PROP_MATRIX);
  RNA_def_property_float_sdna(prop, nullptr, "parentinv");
  RNA_def_property_multi_array(prop, 2, rna_matrix_dimsize_4x4);
  RNA_def_property_ui_text(
      prop, "Matrix", "Reverse the transformation between this object and its target");
  RNA_def_property_update(prop, NC_OBJECT | ND_TRANSFORM, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_falloff_uniform", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_HOOK_UNIFORM_SPACE);
  RNA_def_property_ui_text(prop, "Uniform Falloff", "Compensate for non-uniform object scale");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_weight_proximity(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "GreasePencilWeightProximityModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Weight Modifier Proximity", "Calculate Vertex Weight dynamically");
  RNA_def_struct_sdna(srna, "GreasePencilWeightProximityModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_VERTEX_WEIGHT);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilWeightProximityModifier_material_filter_set");
  rna_def_modifier_grease_pencil_vertex_group(
      srna, "rna_GreasePencilWeightProximityModifier_vertex_group_name_set");
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "use_multiply", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "flag", MOD_GREASE_PENCIL_WEIGHT_PROXIMITY_MULTIPLY_DATA);
  RNA_def_property_ui_text(
      prop,
      "Multiply Weights",
      "Multiply the calculated weights with the existing values in the vertex group");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_invert_output", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "flag", MOD_GREASE_PENCIL_WEIGHT_PROXIMITY_INVERT_OUTPUT);
  RNA_def_property_ui_text(prop, "Invert", "Invert output weight values");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "target_vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "target_vgname");
  RNA_def_property_ui_text(prop, "Vertex Group", "Output Vertex group");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_GreasePencilWeightProximityModifier_target_vgname_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* Distance reference object */
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Target Object", "Object used as distance reference");
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_GreasePencilWeightProximityModifier_object_set", nullptr, nullptr);
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "distance_start", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "dist_start");
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, 1000.0, 1.0, 2);
  RNA_def_property_ui_text(prop, "Lowest", "Distance mapping to 0.0 weight");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "minimum_weight", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "min_weight");
  RNA_def_property_ui_text(prop, "Minimum", "Minimum value for vertex weight");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "distance_end", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "dist_end");
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, 1000.0, 1.0, 2);
  RNA_def_property_ui_text(prop, "Highest", "Distance mapping to 1.0 weight");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_simplify(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static EnumPropertyItem prop_gpencil_simplify_mode_items[] = {
      {MOD_GREASE_PENCIL_SIMPLIFY_FIXED,
       "FIXED",
       ICON_IPO_CONSTANT,
       "Fixed",
       "Delete alternating vertices in the stroke, except extremes"},
      {MOD_GREASE_PENCIL_SIMPLIFY_ADAPTIVE,
       "ADAPTIVE",
       ICON_IPO_EASE_IN_OUT,
       "Adaptive",
       "Use a Ramer-Douglas-Peucker algorithm to simplify the stroke preserving main shape"},
      {MOD_GREASE_PENCIL_SIMPLIFY_SAMPLE,
       "SAMPLE",
       ICON_IPO_EASE_IN_OUT,
       "Sample",
       "Re-sample the stroke with segments of the specified length"},
      {MOD_GREASE_PENCIL_SIMPLIFY_MERGE,
       "MERGE",
       ICON_IPO_EASE_IN_OUT,
       "Merge",
       "Simplify the stroke by merging vertices closer than a given distance"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "GreasePencilSimplifyModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Simplify Modifier", "Simplify Stroke modifier");
  RNA_def_struct_sdna(srna, "GreasePencilSimplifyModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_SIMPLIFY);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilSimplifyModifier_material_filter_set");
  rna_def_modifier_grease_pencil_vertex_group(
      srna, "rna_GreasePencilSimplifyModifier_vertex_group_name_set");
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  prop = RNA_def_property(srna, "factor", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "factor");
  RNA_def_property_range(prop, 0, 100.0);
  RNA_def_property_ui_range(prop, 0, 5.0f, 1.0f, 3);
  RNA_def_property_ui_text(prop, "Factor", "Factor of Simplify");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_gpencil_simplify_mode_items);
  RNA_def_property_ui_text(prop, "Mode", "How to simplify the stroke");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "step", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, nullptr, "step");
  RNA_def_property_range(prop, 1, 50);
  RNA_def_property_ui_text(prop, "Iterations", "Number of times to apply simplify");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "length", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "length");
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.005, 1.0, 0.05, 3);
  RNA_def_property_ui_text(prop, "Length", "Length of each segment");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "sharp_threshold", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, nullptr, "sharp_threshold");
  RNA_def_property_range(prop, 0, M_PI);
  RNA_def_property_ui_range(prop, 0, M_PI, 1.0, 1);
  RNA_def_property_ui_text(
      prop, "Sharp Threshold", "Preserve corners that have sharper angle than this threshold");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "distance", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "distance");
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 1.0, 0.01, 3);
  RNA_def_property_ui_text(prop, "Distance", "Distance between points");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_armature(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "GreasePencilArmatureModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Armature Modifier", "Deform stroke points using armature object");
  RNA_def_struct_sdna(srna, "GreasePencilArmatureModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_ARMATURE);
 
  rna_def_modifier_grease_pencil_vertex_group(
      srna, "rna_GreasePencilArmatureModifier_vertex_group_name_set");
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Object", "Armature object to deform with");
  RNA_def_property_pointer_funcs(prop,
                                 nullptr,
                                 "rna_GreasePencilArmatureModifier_object_set",
                                 nullptr,
                                 "rna_Armature_object_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "use_bone_envelopes", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "deformflag", ARM_DEF_ENVELOPE);
  RNA_def_property_ui_text(prop, "Use Bone Envelopes", "Bind Bone envelopes to armature modifier");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_vertex_groups", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "deformflag", ARM_DEF_VGROUP);
  RNA_def_property_ui_text(prop, "Use Vertex Groups", "Bind vertex groups to armature modifier");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_deform_preserve_volume", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "deformflag", ARM_DEF_QUATERNION);
  RNA_def_property_ui_text(
      prop, "Preserve Volume", "Deform rotation interpolation with quaternions");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_time_segment(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem segment_mode_items[] = {
      {MOD_GREASE_PENCIL_TIME_SEG_MODE_NORMAL,
       "NORMAL",
       0,
       "Regular",
       "Apply offset in usual animation direction"},
      {MOD_GREASE_PENCIL_TIME_SEG_MODE_REVERSE,
       "REVERSE",
       0,
       "Reverse",
       "Apply offset in reverse animation direction"},
      {MOD_GREASE_PENCIL_TIME_SEG_MODE_PINGPONG,
       "PINGPONG",
       0,
       "Ping Pong",
       "Loop back and forth"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "GreasePencilTimeModifierSegment", nullptr);
  RNA_def_struct_ui_text(srna, "Time Modifier Segment", "Configuration for a single dash segment");
  RNA_def_struct_sdna(srna, "GreasePencilTimeModifierSegment");
  RNA_def_struct_path_func(srna, "rna_GreasePencilTimeModifierSegment_path");
 
  prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(prop, "Name", "Name of the dash segment");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_GreasePencilTimeModifierSegment_name_set");
  RNA_def_struct_name_property(srna, prop);
  RNA_def_property_update(prop, NC_OBJECT | ND_MODIFIER | NA_RENAME, nullptr);
 
  prop = RNA_def_property(srna, "segment_start", PROP_INT, PROP_NONE);
  RNA_def_property_range(prop, 0, INT16_MAX);
  RNA_def_property_ui_text(prop, "Frame Start", "First frame of the segment");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "segment_end", PROP_INT, PROP_NONE);
  RNA_def_property_range(prop, 0, INT16_MAX);
  RNA_def_property_ui_text(prop, "End", "Last frame of the segment");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "segment_repeat", PROP_INT, PROP_NONE);
  RNA_def_property_range(prop, 1, INT16_MAX);
  RNA_def_property_ui_text(prop, "Repeat", "Number of cycle repeats");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "segment_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "segment_mode");
  RNA_def_property_enum_items(prop, segment_mode_items);
  RNA_def_property_ui_text(prop, "Mode", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
}
 
static void rna_def_modifier_grease_pencil_time(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem time_mode_items[] = {
      {MOD_GREASE_PENCIL_TIME_MODE_NORMAL,
       "NORMAL",
       0,
       "Regular",
       "Apply offset in usual animation direction"},
      {MOD_GREASE_PENCIL_TIME_MODE_REVERSE,
       "REVERSE",
       0,
       "Reverse",
       "Apply offset in reverse animation direction"},
      {MOD_GREASE_PENCIL_TIME_MODE_FIX,
       "FIX",
       0,
       "Fixed Frame",
       "Keep frame and do not change with time"},
      {MOD_GREASE_PENCIL_TIME_MODE_PINGPONG,
       "PINGPONG",
       0,
       "Ping Pong",
       "Loop back and forth starting in reverse"},
      {MOD_GREASE_PENCIL_TIME_MODE_CHAIN,
       "CHAIN",
       0,
       "Chain",
       "List of chained animation segments"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "GreasePencilTimeModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Grease Pencil Time Modifier", "Offset keyframes");
  RNA_def_struct_sdna(srna, "GreasePencilTimeModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_TIME);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
  rna_def_modifier_panel_open_prop(srna, "open_custom_range_panel", 1);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "segments", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_struct_type(prop, "GreasePencilTimeModifierSegment");
  RNA_def_property_collection_sdna(prop, nullptr, "segments_array", nullptr);
  RNA_def_property_collection_funcs(prop,
                                    "rna_GreasePencilTimeModifier_segments_begin",
                                    "rna_iterator_array_next",
                                    "rna_iterator_array_end",
                                    "rna_iterator_array_get",
                                    nullptr,
                                    nullptr,
                                    nullptr,
                                    nullptr);
  RNA_def_property_ui_text(prop, "Segments", "");
 
  prop = RNA_def_property(srna, "segment_active_index", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(prop, "Active Time Segment Index", "Active index in the segment list");
 
  prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "mode");
  RNA_def_property_enum_items(prop, time_mode_items);
  RNA_def_property_ui_text(prop, "Mode", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "offset", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "offset");
  RNA_def_property_range(prop, SHRT_MIN, SHRT_MAX);
  RNA_def_property_ui_text(
      prop, "Frame Offset", "Number of frames to offset original keyframe number or frame to fix");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "frame_scale", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "frame_scale");
  RNA_def_property_range(prop, 0.001f, 100.0f);
  RNA_def_property_ui_text(prop, "Frame Scale", "Evaluation time in seconds");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "frame_start", PROP_INT, PROP_TIME);
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_int_sdna(prop, nullptr, "sfra");
  RNA_def_property_int_funcs(
      prop, nullptr, "rna_GreasePencilTimeModifier_start_frame_set", nullptr);
  RNA_def_property_range(prop, MINFRAME, MAXFRAME);
  RNA_def_property_ui_text(prop, "Start Frame", "First frame of the range");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "frame_end", PROP_INT, PROP_TIME);
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_int_sdna(prop, nullptr, "efra");
  RNA_def_property_int_funcs(prop, nullptr, "rna_GreasePencilTimeModifier_end_frame_set", nullptr);
  RNA_def_property_range(prop, MINFRAME, MAXFRAME);
  RNA_def_property_ui_text(prop, "End Frame", "Final frame of the range");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_keep_loop", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_TIME_KEEP_LOOP);
  RNA_def_property_ui_text(
      prop, "Keep Loop", "Retiming end frames and move to start of animation to keep loop");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_custom_frame_range", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_TIME_CUSTOM_RANGE);
  RNA_def_property_ui_text(
      prop, "Custom Range", "Define a custom range of frames to use in modifier");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_envelope(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem envelope_mode_items[] = {
      {MOD_GREASE_PENCIL_ENVELOPE_DEFORM,
       "DEFORM",
       0,
       "Deform",
       "Deform the stroke to best match the envelope shape"},
      {MOD_GREASE_PENCIL_ENVELOPE_SEGMENTS,
       "SEGMENTS",
       0,
       "Segments",
       "Add segments to create the envelope. Keep the original stroke."},
      {MOD_GREASE_PENCIL_ENVELOPE_FILLS,
       "FILLS",
       0,
       "Fills",
       "Add fill segments to create the envelope. Don't keep the original stroke."},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "GreasePencilEnvelopeModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna, "Grease Pencil Envelope Modifier", "Envelope stroke effect modifier");
  RNA_def_struct_sdna(srna, "GreasePencilEnvelopeModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_ENVELOPE);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilEnvelopeModifier_material_filter_set");
  rna_def_modifier_grease_pencil_vertex_group(
      srna, "rna_GreasePencilEnvelopeModifier_vertex_group_name_set");
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "mode");
  RNA_def_property_enum_items(prop, envelope_mode_items);
  RNA_def_property_ui_text(prop, "Mode", "Algorithm to use for generating the envelope");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "spread", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "spread");
  RNA_def_property_range(prop, 1, INT_MAX);
  RNA_def_property_ui_text(
      prop, "Spread Length", "The number of points to skip to create straight segments");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "mat_nr", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "mat_nr");
  RNA_def_property_range(prop, -1, INT16_MAX);
  RNA_def_property_ui_text(prop, "Material Index", "The material to use for the new strokes");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "thickness", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "thickness");
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 1, 10, 3);
  RNA_def_property_ui_text(prop, "Thickness", "Multiplier for the thickness of the new strokes");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "strength", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "strength");
  RNA_def_property_range(prop, 0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 1, 10, 3);
  RNA_def_property_ui_text(prop, "Strength", "Multiplier for the strength of the new strokes");
  RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_GPENCIL);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "skip", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "skip");
  RNA_def_property_range(prop, 0, INT_MAX);
  RNA_def_property_ui_text(
      prop, "Skip Segments", "The number of generated segments to skip to reduce complexity");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_outline(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "GreasePencilOutlineModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Outline Modifier", "Outline of Strokes modifier from camera view");
  RNA_def_struct_sdna(srna, "GreasePencilOutlineModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_OUTLINE);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilOutlineModifier_material_filter_set");
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "thickness", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "thickness");
  RNA_def_property_range(prop, 1, 1000);
  RNA_def_property_ui_text(prop, "Thickness", "Thickness of the perimeter stroke");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "sample_length", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "sample_length");
  RNA_def_property_ui_range(prop, 0.0f, 100.0f, 0.1f, 2);
  RNA_def_property_ui_text(prop, "Sample Length", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "subdivision", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "subdiv");
  RNA_def_property_range(prop, 0, 10);
  RNA_def_property_ui_text(prop, "Subdivisions", "Number of subdivisions");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_keep_shape", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_OUTLINE_KEEP_SHAPE);
  RNA_def_property_ui_text(prop, "Keep Shape", "Try to keep global shape");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "outline_material", PROP_POINTER, PROP_NONE);
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_pointer_funcs(prop,
                                 nullptr,
                                 "rna_GreasePencilOutlineModifier_outline_material_set",
                                 nullptr,
                                 "rna_GreasePencilModifier_material_poll");
  RNA_def_property_ui_text(prop, "Outline Material", "Material used for outline strokes");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Target Object", "Target object to define stroke start");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_GreasePencilOutlineModifier_object_set", nullptr, nullptr);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_shrinkwrap(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "GreasePencilShrinkwrapModifier", "Modifier");
  RNA_def_struct_ui_text(srna,
                         "Shrinkwrap Modifier",
                         "Shrink wrapping modifier to shrink wrap an object to a target");
  RNA_def_struct_sdna(srna, "GreasePencilShrinkwrapModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_SHRINKWRAP);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilShrinkwrapModifier_material_filter_set");
  rna_def_modifier_grease_pencil_vertex_group(
      srna, "rna_GreasePencilShrinkwrapModifier_vertex_group_name_set");
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "wrap_method", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "shrink_type");
  RNA_def_property_enum_items(prop, rna_enum_shrinkwrap_type_items);
  RNA_def_property_ui_text(prop, "Wrap Method", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "wrap_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "shrink_mode");
  RNA_def_property_enum_items(prop, rna_enum_modifier_shrinkwrap_mode_items);
  RNA_def_property_ui_text(
      prop, "Snap Mode", "Select how vertices are constrained to the target surface");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "cull_face", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "shrink_opts");
  RNA_def_property_enum_items(prop, rna_enum_shrinkwrap_face_cull_items);
  RNA_def_property_enum_funcs(prop,
                              "rna_GreasePencilShrinkwrapModifier_face_cull_get",
                              "rna_GreasePencilShrinkwrapModifier_face_cull_set",
                              nullptr);
  RNA_def_property_ui_text(
      prop,
      "Face Cull",
      "Stop vertices from projecting to a face on the target when facing towards/away");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "target", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Target", "Mesh target to shrink to");
  RNA_def_property_pointer_funcs(prop,
                                 nullptr,
                                 "rna_GreasePencilShrinkwrapModifier_target_set",
                                 nullptr,
                                 "rna_Mesh_object_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "auxiliary_target", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, nullptr, "aux_target");
  RNA_def_property_ui_text(prop, "Auxiliary Target", "Additional mesh target to shrink to");
  RNA_def_property_pointer_funcs(prop,
                                 nullptr,
                                 "rna_GreasePencilShrinkwrapModifier_aux_target_set",
                                 nullptr,
                                 "rna_Mesh_object_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "offset", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "keep_dist");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -100, 100, 1, 2);
  RNA_def_property_ui_text(prop, "Offset", "Distance to keep from the target");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "project_limit", PROP_FLOAT, PROP_DISTANCE);
  RNA_def_property_float_sdna(prop, nullptr, "proj_limit");
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 100, 1, 2);
  RNA_def_property_ui_text(
      prop, "Project Limit", "Limit the distance used for projection (zero disables)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_project_x", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "proj_axis", MOD_SHRINKWRAP_PROJECT_OVER_X_AXIS);
  RNA_def_property_ui_text(prop, "X", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_project_y", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "proj_axis", MOD_SHRINKWRAP_PROJECT_OVER_Y_AXIS);
  RNA_def_property_ui_text(prop, "Y", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_project_z", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "proj_axis", MOD_SHRINKWRAP_PROJECT_OVER_Z_AXIS);
  RNA_def_property_ui_text(prop, "Z", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "subsurf_levels", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "subsurf_levels");
  RNA_def_property_range(prop, 0, 6);
  RNA_def_property_ui_range(prop, 0, 6, 1, -1);
  RNA_def_property_ui_text(
      prop,
      "Subdivision Levels",
      "Number of subdivisions that must be performed before extracting vertices' "
      "positions and normals");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_negative_direction", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "shrink_opts", MOD_SHRINKWRAP_PROJECT_ALLOW_NEG_DIR);
  RNA_def_property_ui_text(
      prop, "Negative", "Allow vertices to move in the negative direction of axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_positive_direction", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "shrink_opts", MOD_SHRINKWRAP_PROJECT_ALLOW_POS_DIR);
  RNA_def_property_ui_text(
      prop, "Positive", "Allow vertices to move in the positive direction of axis");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_invert_cull", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "shrink_opts", MOD_SHRINKWRAP_INVERT_CULL_TARGET);
  RNA_def_property_ui_text(
      prop, "Invert Cull", "When projecting in the negative direction invert the face cull mode");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "smooth_factor", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "smooth_factor");
  RNA_def_property_range(prop, 0, 1);
  RNA_def_property_ui_text(prop, "Smooth Factor", "Amount of smoothing to apply");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "smooth_step", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, nullptr, "smooth_step");
  RNA_def_property_range(prop, 1, 10);
  RNA_def_property_ui_text(
      prop, "Steps", "Number of times to apply smooth (high numbers can reduce FPS)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_build(BlenderRNA *brna)
{
  static EnumPropertyItem prop_gpencil_build_mode_items[] = {
      {MOD_GREASE_PENCIL_BUILD_MODE_SEQUENTIAL,
       "SEQUENTIAL",
       0,
       "Sequential",
       "Strokes appear/disappear one after the other, but only a single one changes at a time"},
      {MOD_GREASE_PENCIL_BUILD_MODE_CONCURRENT,
       "CONCURRENT",
       0,
       "Concurrent",
       "Multiple strokes appear/disappear at once"},
      {MOD_GREASE_PENCIL_BUILD_MODE_ADDITIVE,
       "ADDITIVE",
       0,
       "Additive",
       "Builds only new strokes (assuming 'additive' drawing)"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static EnumPropertyItem prop_gpencil_build_transition_items[] = {
      {MOD_GREASE_PENCIL_BUILD_TRANSITION_GROW,
       "GROW",
       0,
       "Grow",
       "Show points in the order they occur in each stroke "
       "(e.g. for animating lines being drawn)"},
      {MOD_GREASE_PENCIL_BUILD_TRANSITION_SHRINK,
       "SHRINK",
       0,
       "Shrink",
       "Hide points from the end of each stroke to the start "
       "(e.g. for animating lines being erased)"},
      {MOD_GREASE_PENCIL_BUILD_TRANSITION_VANISH,
       "FADE", /* "Fade" is the original id string kept for compatibility purpose. */
       0,
       "Vanish",
       "Hide points in the order they occur in each stroke "
       "(e.g. for animating ink fading or vanishing after getting drawn)"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static EnumPropertyItem prop_gpencil_build_time_align_items[] = {
      {MOD_GREASE_PENCIL_BUILD_TIMEALIGN_START,
       "START",
       0,
       "Align Start",
       "All strokes start at same time (i.e. short strokes finish earlier)"},
      {MOD_GREASE_PENCIL_BUILD_TIMEALIGN_END,
       "END",
       0,
       "Align End",
       "All strokes end at same time (i.e. short strokes start later)"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  StructRNA *srna;
  PropertyRNA *prop;
 
  srna = RNA_def_struct(brna, "GreasePencilBuildModifier", "Modifier");
  RNA_def_struct_ui_text(srna, "Build Modifier", "Animate strokes appearing and disappearing");
  RNA_def_struct_sdna(srna, "GreasePencilBuildModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_BUILD);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilBuildModifier_material_filter_set");
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
  rna_def_modifier_panel_open_prop(srna, "open_frame_range_panel", 1);
  rna_def_modifier_panel_open_prop(srna, "open_fading_panel", 2);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_gpencil_build_mode_items);
  RNA_def_property_ui_text(prop, "Mode", "How strokes are being built");
  RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_GPENCIL);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "transition", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_gpencil_build_transition_items);
  RNA_def_property_ui_text(
      prop, "Transition", "How are strokes animated (i.e. are they appearing or disappearing)");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "start_delay", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "start_delay");
  RNA_def_property_ui_text(
      prop, "Delay", "Number of frames after each GP keyframe before the modifier has any effect");
  RNA_def_property_range(prop, 0, MAXFRAMEF);
  RNA_def_property_ui_range(prop, 0, 200, 1, -1);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "length", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "length");
  RNA_def_property_ui_text(prop,
                           "Length",
                           "Maximum number of frames that the build effect can run for "
                           "(unless another GP keyframe occurs before this time has elapsed)");
  RNA_def_property_range(prop, 1, MAXFRAMEF);
  RNA_def_property_ui_range(prop, 1, 1000, 1, -1);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "concurrent_time_alignment", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "time_alignment");
  RNA_def_property_enum_items(prop, prop_gpencil_build_time_align_items);
  RNA_def_property_ui_text(prop, "Time Alignment", "How should strokes start to appear/disappear");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "time_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "time_mode");
  RNA_def_property_enum_items(prop, grease_pencil_build_time_mode_items);
  RNA_def_property_enum_funcs(prop, nullptr, nullptr, "grease_pencil_build_time_mode_filter");
  RNA_def_property_ui_text(
      prop,
      "Timing",
      "Use drawing speed, a number of frames, or a manual factor to build strokes");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* Speed factor for MOD_GREASE_PENCIL_BUILD_TIMEMODE_DRAWSPEED. */
  /* TODO: Does it work? */
  prop = RNA_def_property(srna, "speed_factor", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "speed_fac");
  RNA_def_property_ui_text(prop, "Speed Factor", "Multiply recorded drawing speed by a factor");
  RNA_def_property_range(prop, 0.0f, 100.0f);
  RNA_def_property_ui_range(prop, 0, 5, 0.001, -1);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* Max gap in seconds between strokes for MOD_GREASE_PENCIL_BUILD_TIMEMODE_DRAWSPEED. */
  prop = RNA_def_property(srna, "speed_maxgap", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "speed_maxgap");
  RNA_def_property_ui_text(prop, "Maximum Gap", "The maximum gap between strokes in seconds");
  RNA_def_property_range(prop, 0.0f, 100.0f);
  RNA_def_property_ui_range(prop, 0, 4, 0.01, -1);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_restrict_frame_range", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_BUILD_RESTRICT_TIME);
  RNA_def_property_ui_text(
      prop, "Restrict Frame Range", "Only modify strokes during the specified frame range");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* Use percentage bool (used by sequential & concurrent modes) */
  prop = RNA_def_property(srna, "use_percentage", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(
      prop, nullptr, "time_mode", MOD_GREASE_PENCIL_BUILD_TIMEMODE_PERCENTAGE);
  RNA_def_property_ui_text(
      prop, "Restrict Visible Points", "Use a percentage factor to determine the visible points");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
  prop = RNA_def_property(srna, "percentage_factor", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "percentage_fac");
  RNA_def_property_ui_text(prop, "Factor", "Defines how much of the stroke is visible");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "frame_start", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "start_frame");
  RNA_def_property_ui_text(
      prop, "Start Frame", "Start Frame (when Restrict Frame Range is enabled)");
  RNA_def_property_range(prop, MINAFRAMEF, MAXFRAMEF);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "frame_end", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "end_frame");
  RNA_def_property_ui_text(prop, "End Frame", "End Frame (when Restrict Frame Range is enabled)");
  RNA_def_property_range(prop, MINAFRAMEF, MAXFRAMEF);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "use_fading", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", MOD_GREASE_PENCIL_BUILD_USE_FADING);
  RNA_def_property_ui_text(prop, "Use Fading", "Fade out strokes instead of directly cutting off");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "fade_factor", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "fade_fac");
  RNA_def_property_ui_text(prop, "Fade Factor", "Defines how much of the stroke is fading in/out");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "target_vertex_group", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, nullptr, "target_vgname");
  RNA_def_property_ui_text(prop, "Vertex Group", "Output Vertex group");
  RNA_def_property_string_funcs(
      prop, nullptr, nullptr, "rna_GreasePencilBuildModifier_target_vgname_set");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "fade_opacity_strength", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "fade_opacity_strength");
  RNA_def_property_ui_text(
      prop, "Opacity Strength", "How much strength fading applies on top of stroke opacity");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "fade_thickness_strength", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, nullptr, "fade_thickness_strength");
  RNA_def_property_ui_text(
      prop, "Thickness Strength", "How much strength fading applies on top of stroke thickness");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Object", "Object used as build starting position");
  RNA_def_property_pointer_funcs(
      prop, nullptr, "rna_GreasePencilBuildModifier_object_set", nullptr, nullptr);
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  RNA_define_lib_overridable(false);
}
 
static void rna_def_modifier_grease_pencil_texture(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  static const EnumPropertyItem fit_type_items[] = {
      {MOD_GREASE_PENCIL_TEXTURE_CONSTANT_LENGTH,
       "CONSTANT_LENGTH",
       0,
       "Constant Length",
       "Keep the texture at a constant length regardless of the length of each stroke"},
      {MOD_GREASE_PENCIL_TEXTURE_FIT_STROKE,
       "FIT_STROKE",
       0,
       "Stroke Length",
       "Scale the texture to fit the length of each stroke"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  static const EnumPropertyItem mode_items[] = {
      {MOD_GREASE_PENCIL_TEXTURE_STROKE,
       "STROKE",
       0,
       "Stroke",
       "Manipulate only stroke texture coordinates"},
      {MOD_GREASE_PENCIL_TEXTURE_FILL,
       "FILL",
       0,
       "Fill",
       "Manipulate only fill texture coordinates"},
      {MOD_GREASE_PENCIL_TEXTURE_STROKE_AND_FILL,
       "STROKE_AND_FILL",
       0,
       "Stroke & Fill",
       "Manipulate both stroke and fill texture coordinates"},
      {0, nullptr, 0, nullptr, nullptr},
  };
 
  srna = RNA_def_struct(brna, "GreasePencilTextureModifier", "Modifier");
  RNA_def_struct_ui_text(
      srna, "Grease Pencil Texture Modifier", "Transform stroke texture coordinates Modifier");
  RNA_def_struct_sdna(srna, "GreasePencilTextureModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MOD_UVPROJECT);
 
  rna_def_modifier_grease_pencil_layer_filter(srna);
  rna_def_modifier_grease_pencil_material_filter(
      srna, "rna_GreasePencilTextureModifier_material_filter_set");
 
  rna_def_modifier_panel_open_prop(srna, "open_influence_panel", 0);
 
  RNA_define_lib_overridable(true);
 
  prop = RNA_def_property(srna, "uv_offset", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "uv_offset");
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -100.0, 100.0, 0.1, 3);
  RNA_def_property_ui_text(prop, "UV Offset", "Offset value to add to stroke UVs");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "uv_scale", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, nullptr, "uv_scale");
  RNA_def_property_range(prop, 0.0, FLT_MAX);
  RNA_def_property_ui_range(prop, 0.0, 100.0, 0.1, 3);
  RNA_def_property_ui_text(prop, "UV Scale", "Factor to scale the UVs");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  /* Rotation of Dot Texture. */
  prop = RNA_def_property(srna, "alignment_rotation", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, nullptr, "alignment_rotation");
  RNA_def_property_float_default(prop, 0.0f);
  RNA_def_property_range(prop, -DEG2RADF(90.0f), DEG2RADF(90.0f));
  RNA_def_property_ui_range(prop, -DEG2RADF(90.0f), DEG2RADF(90.0f), 10, 3);
  RNA_def_property_ui_text(
      prop, "Rotation", "Additional rotation applied to dots and square strokes");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "fill_rotation", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, nullptr, "fill_rotation");
  RNA_def_property_ui_text(prop, "Fill Rotation", "Additional rotation of the fill UV");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "fill_offset", PROP_FLOAT, PROP_COORDS);
  RNA_def_property_float_sdna(prop, nullptr, "fill_offset");
  RNA_def_property_array(prop, 2);
  RNA_def_property_ui_text(prop, "Fill Offset", "Additional offset of the fill UV");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "fill_scale", PROP_FLOAT, PROP_COORDS);
  RNA_def_property_float_sdna(prop, nullptr, "fill_scale");
  RNA_def_property_range(prop, 0.01f, 100.0f);
  RNA_def_property_ui_text(prop, "Fill Scale", "Additional scale of the fill UV");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "fit_method", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "fit_method");
  RNA_def_property_enum_items(prop, fit_type_items);
  RNA_def_property_ui_text(prop, "Fit Method", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, nullptr, "mode");
  RNA_def_property_enum_items(prop, mode_items);
  RNA_def_property_ui_text(prop, "Mode", "");
  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
  RNA_define_lib_overridable(false);
}
 
void RNA_def_modifier(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
 
  /* data */
  srna = RNA_def_struct(brna, "Modifier", nullptr);
  RNA_def_struct_ui_text(srna, "Modifier", "Modifier affecting the geometry data of an object");
  RNA_def_struct_refine_func(srna, "rna_Modifier_refine");
  RNA_def_struct_path_func(srna, "rna_Modifier_path");
  RNA_def_struct_sdna(srna, "ModifierData");
  RNA_def_struct_ui_icon(srna, ICON_MODIFIER);
 
  /* strings */
  prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
  RNA_def_property_string_funcs(prop, nullptr, nullptr, "rna_Modifier_name_set");
  RNA_def_property_ui_text(prop, "Name", "Modifier name");
  RNA_def_property_update(prop, NC_OBJECT | ND_MODIFIER | NA_RENAME, "rna_Modifier_name_update");
  RNA_def_struct_name_property(srna, prop);
 
  /* enums */
  prop = RNA_def_property(srna, "type", PROP_ENUM, PROP_NONE);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_enum_sdna(prop, nullptr, "type");
  RNA_def_property_enum_items(prop, rna_enum_object_modifier_type_items);
  RNA_def_property_ui_text(prop, "Type", "");
 
  /* flags */
  prop = RNA_def_property(srna, "show_viewport", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "mode", eModifierMode_Realtime);
  RNA_def_property_ui_text(prop, "Realtime", "Display modifier in viewport");
  RNA_def_property_flag(prop, PROP_LIB_EXCEPTION);
  RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
  RNA_def_property_ui_icon(prop, ICON_RESTRICT_VIEW_ON, 1);
 
  prop = RNA_def_property(srna, "show_render", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "mode", eModifierMode_Render);
  RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
  RNA_def_property_ui_text(prop, "Render", "Use modifier during render");
  RNA_def_property_ui_icon(prop, ICON_RESTRICT_RENDER_ON, 1);
  RNA_def_property_update(prop, NC_OBJECT | ND_MODIFIER, nullptr);
 
  prop = RNA_def_property(srna, "show_in_editmode", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "mode", eModifierMode_Editmode);
  RNA_def_property_ui_text(prop, "Edit Mode", "Display modifier in Edit mode");
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
  RNA_def_property_ui_icon(prop, ICON_EDITMODE_HLT, 0);
 
  prop = RNA_def_property(srna, "show_on_cage", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "mode", eModifierMode_OnCage);
  RNA_def_property_ui_text(prop, "On Cage", "Adjust edit cage to modifier result");
  RNA_def_property_ui_icon(prop, ICON_MESH_DATA, 0);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "show_expanded", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_funcs(
      prop, "rna_Modifier_show_expanded_get", "rna_Modifier_show_expanded_set");
  RNA_def_property_flag(prop, PROP_NO_DEG_UPDATE);
  RNA_def_property_boolean_sdna(prop, nullptr, "ui_expand_flag", 0);
  RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
  RNA_def_property_ui_text(prop, "Expanded", "Set modifier expanded in the user interface");
  RNA_def_property_ui_icon(prop, ICON_RIGHTARROW, 1);
  RNA_def_property_update(prop, NC_OBJECT | ND_MODIFIER, nullptr);
 
  prop = RNA_def_property(srna, "is_active", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eModifierFlag_Active);
  RNA_def_property_boolean_funcs(prop, nullptr, "rna_Modifier_is_active_set");
  RNA_def_property_flag(prop, PROP_NO_DEG_UPDATE);
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
  RNA_def_property_ui_text(prop, "Active", "The active modifier in the list");
  RNA_def_property_update(prop, NC_OBJECT | ND_MODIFIER, nullptr);
 
  prop = RNA_def_property(srna, "use_pin_to_last", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "flag", eModifierFlag_PinLast);
  RNA_def_property_boolean_funcs(prop, nullptr, "rna_Modifier_use_pin_to_last_set");
  RNA_def_property_flag(prop, PROP_NO_DEG_UPDATE);
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(prop, "Pin to Last", "Keep the modifier at the end of the list");
  RNA_def_property_update(prop, NC_OBJECT | ND_MODIFIER, nullptr);
 
  prop = RNA_def_boolean(srna,
                         "is_override_data",
                         false,
                         "Override Modifier",
                         "In a local override object, whether this modifier comes from the linked "
                         "reference object, or is local to the override");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_boolean_negative_sdna(
      prop, nullptr, "flag", eModifierFlag_OverrideLibrary_Local);
 
  prop = RNA_def_property(srna, "use_apply_on_spline", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, nullptr, "mode", eModifierMode_ApplyOnSpline);
  RNA_def_property_ui_text(
      prop,
      "Apply on Spline",
      "Apply this and all preceding deformation modifiers on splines' points rather than "
      "on filled curve/surface");
  RNA_def_property_ui_icon(prop, ICON_SURFACE_DATA, 0);
  RNA_def_property_update(prop, 0, "rna_Modifier_update");
 
  prop = RNA_def_property(srna, "execution_time", PROP_FLOAT, PROP_TIME_ABSOLUTE);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(
      prop,
      "Execution Time",
      "Time in seconds that the modifier took to evaluate. This is only set on evaluated objects. "
      "If multiple modifiers run in parallel, execution time is not a reliable metric.");
 
  prop = RNA_def_property(srna, "persistent_uid", PROP_INT, PROP_NONE);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(
      prop,
      "Persistent UID",
      "Uniquely identifies the modifier within the modifier stack that it is part of");
 
  /* types */
  rna_def_modifier_subsurf(brna);
  rna_def_modifier_lattice(brna);
  rna_def_modifier_curve(brna);
  rna_def_modifier_build(brna);
  rna_def_modifier_mirror(brna);
  rna_def_modifier_decimate(brna);
  rna_def_modifier_wave(brna);
  rna_def_modifier_armature(brna);
  rna_def_modifier_hook(brna);
  rna_def_modifier_softbody(brna);
  rna_def_modifier_boolean(brna);
  rna_def_modifier_array(brna);
  rna_def_modifier_edgesplit(brna);
  rna_def_modifier_displace(brna);
  rna_def_modifier_uvproject(brna);
  rna_def_modifier_smooth(brna);
  rna_def_modifier_correctivesmooth(brna);
  rna_def_modifier_cast(brna);
  rna_def_modifier_meshdeform(brna);
  rna_def_modifier_particlesystem(brna);
  rna_def_modifier_particleinstance(brna);
  rna_def_modifier_explode(brna);
  rna_def_modifier_cloth(brna);
  rna_def_modifier_collision(brna);
  rna_def_modifier_bevel(brna);
  rna_def_modifier_shrinkwrap(brna);
  rna_def_modifier_mask(brna);
  rna_def_modifier_simpledeform(brna);
  rna_def_modifier_warp(brna);
  rna_def_modifier_multires(brna);
  rna_def_modifier_surface(brna);
  rna_def_modifier_fluid(brna);
  rna_def_modifier_solidify(brna);
  rna_def_modifier_screw(brna);
  rna_def_modifier_uvwarp(brna);
  rna_def_modifier_weightvgedit(brna);
  rna_def_modifier_weightvgmix(brna);
  rna_def_modifier_weightvgproximity(brna);
  rna_def_modifier_dynamic_paint(brna);
  rna_def_modifier_ocean(brna);
  rna_def_modifier_remesh(brna);
  rna_def_modifier_skin(brna);
  rna_def_modifier_laplaciansmooth(brna);
  rna_def_modifier_triangulate(brna);
  rna_def_modifier_meshcache(brna);
  rna_def_modifier_laplaciandeform(brna);
  rna_def_modifier_weld(brna);
  rna_def_modifier_wireframe(brna);
  rna_def_modifier_datatransfer(brna);
  rna_def_modifier_normaledit(brna);
  rna_def_modifier_meshseqcache(brna);
  rna_def_modifier_surfacedeform(brna);
  rna_def_modifier_weightednormal(brna);
  rna_def_modifier_nodes(brna);
  rna_def_modifier_mesh_to_volume(brna);
  rna_def_modifier_volume_displace(brna);
  rna_def_modifier_volume_to_mesh(brna);
  rna_def_modifier_grease_pencil_opacity(brna);
  rna_def_modifier_grease_pencil_subdiv(brna);
  rna_def_modifier_grease_pencil_color(brna);
  rna_def_modifier_grease_pencil_tint(brna);
  rna_def_modifier_grease_pencil_smooth(brna);
  rna_def_modifier_grease_pencil_offset(brna);
  rna_def_modifier_grease_pencil_noise(brna);
  rna_def_modifier_grease_pencil_mirror(brna);
  rna_def_modifier_grease_pencil_thickness(brna);
  rna_def_modifier_grease_pencil_lattice(brna);
  rna_def_modifier_grease_pencil_dash_segment(brna);
  rna_def_modifier_grease_pencil_dash(brna);
  rna_def_modifier_grease_pencil_multiply(brna);
  rna_def_modifier_grease_pencil_length(brna);
  rna_def_modifier_grease_pencil_weight_angle(brna);
  rna_def_modifier_grease_pencil_array(brna);
  rna_def_modifier_grease_pencil_weight_proximity(brna);
  rna_def_modifier_grease_pencil_hook(brna);
  rna_def_modifier_grease_pencil_lineart(brna);
  rna_def_modifier_grease_pencil_armature(brna);
  rna_def_modifier_grease_pencil_time_segment(brna);
  rna_def_modifier_grease_pencil_time(brna);
  rna_def_modifier_grease_pencil_simplify(brna);
  rna_def_modifier_grease_pencil_envelope(brna);
  rna_def_modifier_grease_pencil_outline(brna);
  rna_def_modifier_grease_pencil_shrinkwrap(brna);
  rna_def_modifier_grease_pencil_build(brna);
  rna_def_modifier_grease_pencil_texture(brna);
}
 
#endif