transform_snap_object_mesh.cc File Reference

#include "BLI_math_matrix.hh"
#include "BLI_math_vector.h"
#include "BKE_bvhutils.hh"
#include "BKE_mesh.hh"
#include "ED_transform_snap_object_context.hh"
#include "ED_view3d.hh"
#include "transform_snap_object.hh"

Go to the source code of this file.

Classes
class	SnapData_Mesh

Functions
eSnapMode	snap_object_mesh (SnapObjectContext *sctx, const Object *ob_eval, const ID *id, const float4x4 &obmat, eSnapMode snap_to_flag, bool skip_hidden, bool is_editmesh)
Snap Object Data
static void	snap_object_data_mesh_get (const Mesh *mesh_eval, bool skip_hidden, BVHTreeFromMesh *r_treedata)
Ray Cast Functions
static void	mesh_corner_tris_raycast_backface_culling_cb (void *userdata, int index, const BVHTreeRay *ray, BVHTreeRayHit *hit)
static bool	raycastMesh (SnapObjectContext *sctx, const Object *ob_eval, const Mesh *mesh_eval, const float4x4 &obmat, const uint ob_index, bool use_hide)
Surface Snap Functions
static bool	nearest_world_mesh (SnapObjectContext *sctx, const Object *ob_eval, const Mesh *mesh_eval, const float4x4 &obmat, bool use_hide)
Subclass for Snapping to Edges or Points of a Mesh
static void	cb_snap_edge_verts (void *userdata, int index, const DistProjectedAABBPrecalc *precalc, const float(*clip_plane)[4], const int clip_plane_len, BVHTreeNearest *nearest)
static void	cb_snap_tri_verts (void *userdata, int index, const DistProjectedAABBPrecalc *precalc, const float(*clip_plane)[4], const int clip_plane_len, BVHTreeNearest *nearest)
static void	cb_snap_tri_edges (void *userdata, int index, const DistProjectedAABBPrecalc *precalc, const float(*clip_plane)[4], const int clip_plane_len, BVHTreeNearest *nearest)
Internal Object Snapping API
eSnapMode	snap_polygon_mesh (SnapObjectContext *sctx, const Object *ob_eval, const ID *id, const float4x4 &obmat, eSnapMode snap_to_flag, int face_index)
eSnapMode	snap_edge_points_mesh (SnapObjectContext *sctx, const Object *ob_eval, const ID *id, const float4x4 &obmat, float dist_px_sq_orig, int edge_index)
static eSnapMode	mesh_snap_mode_supported (const Mesh *mesh, bool skip_hidden)
static eSnapMode	snapMesh (SnapObjectContext *sctx, const Object *ob_eval, const Mesh *mesh_eval, const float4x4 &obmat, bool skip_hidden, bool is_editmesh, eSnapMode snap_to)

Function Documentation

cb_snap_edge_verts()

static void cb_snap_edge_verts ( void * userdata, int index, const DistProjectedAABBPrecalc * precalc, const float(*) clip_plane[4], const int clip_plane_len, BVHTreeNearest * nearest )

static

Definition at line 260 of file transform_snap_object_mesh.cc.

References cb_snap_vert(), and SnapData_Mesh::get_edge_verts_index().

Referenced by snapMesh().

cb_snap_tri_edges()

static void cb_snap_tri_edges ( void * userdata, int index, const DistProjectedAABBPrecalc * precalc, const float(*) clip_plane[4], const int clip_plane_len, BVHTreeNearest * nearest )

static

Definition at line 315 of file transform_snap_object_mesh.cc.

References cb_snap_edge(), SnapData_Mesh::corner_verts, ELEM, DistProjectedAABBPrecalc::ray_direction, and raycast_tri_backface_culling_test().

Referenced by snapMesh().

cb_snap_tri_verts()

static void cb_snap_tri_verts ( void * userdata, int index, const DistProjectedAABBPrecalc * precalc, const float(*) clip_plane[4], const int clip_plane_len, BVHTreeNearest * nearest )

static

Definition at line 280 of file transform_snap_object_mesh.cc.

References cb_snap_vert(), SnapData_Mesh::corner_verts, DistProjectedAABBPrecalc::ray_direction, and raycast_tri_backface_culling_test().

Referenced by snapMesh().

mesh_corner_tris_raycast_backface_culling_cb()

static void mesh_corner_tris_raycast_backface_culling_cb ( void * userdata, int index, const BVHTreeRay * ray, BVHTreeRayHit * hit )

static

Definition at line 54 of file transform_snap_object_mesh.cc.

References bvhtree_ray_tri_intersection(), madd_v3_v3v3fl(), normalize_v3_v3(), raycast_tri_backface_culling_test(), and UNPACK3.

Referenced by raycastMesh().

mesh_snap_mode_supported()

static eSnapMode mesh_snap_mode_supported ( const Mesh * mesh, bool skip_hidden )

static

Definition at line 433 of file transform_snap_object_mesh.cc.

References SCE_SNAP_INDIVIDUAL_NEAREST, SCE_SNAP_TO_FACE, SCE_SNAP_TO_NONE, SCE_SNAP_TO_POINT, and SNAP_TO_EDGE_ELEMENTS.

Referenced by snapMesh().

nearest_world_mesh()

static bool nearest_world_mesh ( SnapObjectContext * sctx, const Object * ob_eval, const Mesh * mesh_eval, const float4x4 & obmat, bool use_hide )

static

Definition at line 193 of file transform_snap_object_mesh.cc.

References SnapObjectContext::dist_nearest_sq, BVHTreeNearest::dist_sq, Mesh::id, BVHTreeFromMesh::nearest_callback, nearest_world_tree(), SnapData::register_result(), SnapObjectContext::ret, snap_object_data_mesh_get(), and BVHTreeFromMesh::tree.

Referenced by snap_object_mesh().

raycastMesh()

static bool raycastMesh ( SnapObjectContext * sctx, const Object * ob_eval, const Mesh * mesh_eval, const float4x4 & obmat, const uint ob_index, bool use_hide )

static

Definition at line 80 of file transform_snap_object_mesh.cc.

References BLI_assert, BLI_bvhtree_ray_cast(), BLI_bvhtree_ray_cast_all(), BVH_RAYCAST_DIST_MAX, RayCastAll_Data::bvhdata, data, Object::dtx, Mesh::faces_num, SnapObjectContext::hit_list, Mesh::id, BVHTreeRayHit::index, blender::math::invert(), isect_ray_aabb_v3_simple(), ListBase::last, madd_v3_v3fl(), mesh_corner_tris_raycast_backface_culling_cb(), blender::math::normalize_and_get_length(), OB_DRAW_IN_FRONT, SnapObjectParams::occlusion_test, SnapObjectContext::params, SnapObjectContext::ray_depth_max, SnapObjectContext::ray_depth_max_in_front, SnapObjectContext::ray_dir, SnapObjectContext::ray_start, raycast_all_cb(), BVHTreeFromMesh::raycast_callback, SnapData::register_result_raycast(), SnapObjectContext::ret, SnapObjectContext::runtime, snap_object_data_mesh_get(), SNAP_OCCLUSION_AS_SEEM, blender::math::transform_direction(), blender::math::transform_point(), BVHTreeFromMesh::tree, and SnapObjectParams::use_backface_culling.

Referenced by snap_object_mesh().

snap_edge_points_mesh()

eSnapMode snap_edge_points_mesh	(	SnapObjectContext *	sctx,
		const Object *	ob_eval,
		const ID *	id,
		const float4x4 &	obmat,
		float	dist_px_sq_orig,
		int	edge_index )

Definition at line 418 of file transform_snap_object_mesh.cc.

References BVHTreeNearest::index, SnapData::nearest_point, SnapData::register_result(), and SnapData::snap_edge_points_impl().

Referenced by snap_edge_points().

snap_object_data_mesh_get()

static void snap_object_data_mesh_get ( const Mesh * mesh_eval, bool skip_hidden, BVHTreeFromMesh * r_treedata )

static

Definition at line 32 of file transform_snap_object_mesh.cc.

References BKE_bvhtree_from_mesh_get(), BVHTREE_FROM_CORNER_TRIS, and BVHTREE_FROM_CORNER_TRIS_NO_HIDDEN.

Referenced by nearest_world_mesh(), raycastMesh(), and snapMesh().

snap_object_mesh()

eSnapMode snap_object_mesh	(	SnapObjectContext *	sctx,
		const Object *	ob_eval,
		const ID *	id,
		const float4x4 &	obmat,
		eSnapMode	snap_to_flag,
		bool	skip_hidden,
		bool	is_editmesh )

Definition at line 606 of file transform_snap_object_mesh.cc.

References nearest_world_mesh(), SnapObjectContext::object_index, raycastMesh(), SnapObjectContext::runtime, SCE_SNAP_INDIVIDUAL_NEAREST, SCE_SNAP_TO_FACE, SCE_SNAP_TO_NONE, SCE_SNAP_TO_POINT, SNAP_TO_EDGE_ELEMENTS, and snapMesh().

Referenced by nearest_world_object_fn(), raycast_obj_fn(), snap_obj_fn(), and snap_object_editmesh().

snap_polygon_mesh()

eSnapMode snap_polygon_mesh	(	SnapObjectContext *	sctx,
		const Object *	ob_eval,
		const ID *	id,
		const float4x4 &	obmat,
		eSnapMode	snap_to_flag,
		int	face_index )

Definition at line 358 of file transform_snap_object_mesh.cc.

References BLI_assert, cb_snap_edge(), cb_snap_vert(), SnapData::clip_planes, SnapData::clip_planes_enable(), SnapData_Mesh::corner_edges, SnapData_Mesh::corner_verts, SnapObjectContext::dist_px_sq, SnapData_Mesh::edges, BVHTreeNearest::index, SnapData::nearest_point, SnapData::nearest_precalc, SnapData::register_result(), SnapObjectContext::ret, SCE_SNAP_TO_EDGE, SCE_SNAP_TO_EDGE_ENDPOINT, SCE_SNAP_TO_EDGE_MIDPOINT, SCE_SNAP_TO_EDGE_PERPENDICULAR, and SCE_SNAP_TO_NONE.

Referenced by snap_polygon().

snapMesh()

static eSnapMode snapMesh ( SnapObjectContext * sctx, const Object * ob_eval, const Mesh * mesh_eval, const float4x4 & obmat, bool skip_hidden, bool is_editmesh, eSnapMode snap_to )

static

Definition at line 450 of file transform_snap_object_mesh.cc.

References BKE_bvhtree_from_mesh_get(), BLI_assert, BLI_bvhtree_find_nearest_projected(), BVHTREE_FROM_LOOSEEDGES, BVHTREE_FROM_LOOSEEDGES_NO_HIDDEN, BVHTREE_FROM_LOOSEVERTS, BVHTREE_FROM_LOOSEVERTS_NO_HIDDEN, BVHTreeFromMesh::cached, cb_snap_edge(), cb_snap_edge_verts(), cb_snap_tri_edges(), cb_snap_tri_verts(), cb_snap_vert(), SnapData::clip_planes, SnapData::clip_planes_enable(), SnapObjectContext::dist_px_sq, Mesh::id, BVHTreeNearest::index, mesh_snap_mode_supported(), SnapObjectContext::mval, SnapData::nearest_point, SnapData::pmat_local, blender::MatBase< T, NumCol, NumRow, Alignment >::ptr(), SnapData::register_result(), SnapObjectContext::ret, SnapObjectContext::runtime, SCE_SNAP_TO_EDGE, SCE_SNAP_TO_EDGE_ENDPOINT, SCE_SNAP_TO_FACE, SCE_SNAP_TO_NONE, SCE_SNAP_TO_POINT, SnapData::snap_boundbox(), snap_object_data_mesh_get(), SNAP_TO_EDGE_ELEMENTS, BVHTreeFromMesh::tree, SnapData::use_backface_culling, SnapObjectContext::v3d, SnapObjectContext::win_size, and XRAY_FLAG_ENABLED.

Referenced by snap_object_mesh().