DNA_scene_types.h

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/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "DNA_defs.h"
 
/* XXX(@ideasman42): temp feature. */
#define DURIAN_CAMERA_SWITCH
 
#define USE_SETSCENE_CHECK
 
#include "DNA_ID.h"
#include "DNA_color_types.h"      /* color management */
#include "DNA_customdata_types.h" /* Scene's runtime custom-data masks. */
#include "DNA_layer_types.h"
#include "DNA_listBase.h"
#include "DNA_scene_enums.h"
#include "DNA_vec_types.h"
#include "DNA_view3d_types.h"
 
struct AnimData;
struct Brush;
struct Collection;
struct ColorSpace;
struct CurveMapping;
struct CurveProfile;
struct CustomData_MeshMasks;
struct Editing;
struct Image;
struct MovieClip;
struct Object;
struct Scene;
struct World;
struct bGPdata;
struct bNodeTree;
 
#ifdef __cplusplus
namespace blender::bke {
class SceneRuntime;
}
using SceneRuntimeHandle = blender::bke::SceneRuntime;
#else   // __cplusplus
typedef struct SceneRuntimeHandle SceneRuntimeHandle;
#endif  // __cplusplus
 
/* -------------------------------------------------------------------- */
typedef enum eFFMpegPreset {
  FFM_PRESET_NONE = 0,
 
#ifdef DNA_DEPRECATED_ALLOW
  /* Previously used by h.264 to control encoding speed vs. file size. */
  FFM_PRESET_ULTRAFAST = 1, /* DEPRECATED */
  FFM_PRESET_SUPERFAST = 2, /* DEPRECATED */
  FFM_PRESET_VERYFAST = 3,  /* DEPRECATED */
  FFM_PRESET_FASTER = 4,    /* DEPRECATED */
  FFM_PRESET_FAST = 5,      /* DEPRECATED */
  FFM_PRESET_MEDIUM = 6,    /* DEPRECATED */
  FFM_PRESET_SLOW = 7,      /* DEPRECATED */
  FFM_PRESET_SLOWER = 8,    /* DEPRECATED */
  FFM_PRESET_VERYSLOW = 9,  /* DEPRECATED */
#endif
 
  /* Used by WEBM/VP9 and h.264 to control encoding speed vs. file size.
   * WEBM/VP9 use these values directly, whereas h.264 map those to
   * respectively the MEDIUM, SLOWER, and SUPERFAST presets. */
 
  FFM_PRESET_GOOD = 10,
  FFM_PRESET_BEST = 11,
  FFM_PRESET_REALTIME = 12,
} eFFMpegPreset;
 
typedef enum eFFMpegCrf {
  FFM_CRF_NONE = -1,
  FFM_CRF_LOSSLESS = 0,
  FFM_CRF_PERC_LOSSLESS = 17,
  FFM_CRF_HIGH = 20,
  FFM_CRF_MEDIUM = 23,
  FFM_CRF_LOW = 26,
  FFM_CRF_VERYLOW = 29,
  FFM_CRF_LOWEST = 32,
} eFFMpegCrf;
 
typedef enum eFFMpegAudioChannels {
  FFM_CHANNELS_MONO = 1,
  FFM_CHANNELS_STEREO = 2,
  FFM_CHANNELS_SURROUND4 = 4,
  FFM_CHANNELS_SURROUND51 = 6,
  FFM_CHANNELS_SURROUND71 = 8,
} eFFMpegAudioChannels;
 
typedef struct FFMpegCodecData {
  int type;
  int codec;
  int audio_codec;
  int video_bitrate;
  int audio_bitrate;
  int audio_mixrate;
  int audio_channels;
  float audio_volume;
  int gop_size;
  int max_b_frames;
  int flags;
  int constant_rate_factor;
  int ffmpeg_preset;
 
  int rc_min_rate;
  int rc_max_rate;
  int rc_buffer_size;
  int mux_packet_size;
  int mux_rate;
  void *_pad1;
} FFMpegCodecData;
 
/* -------------------------------------------------------------------- */
typedef struct AudioData {
  int mixrate; /* 2.5: now in FFMpegCodecData: audio_mixrate. */
  float main;  /* 2.5: now in FFMpegCodecData: audio_volume. */
  float speed_of_sound;
  float doppler_factor;
  int distance_model;
  short flag;
  char _pad[2];
  float volume;
  char _pad2[4];
} AudioData;
 
/* -------------------------------------------------------------------- */
typedef struct SceneRenderLayer {
  struct SceneRenderLayer *next, *prev;
 
  char name[64] DNA_DEPRECATED;
 
  struct Material *mat_override DNA_DEPRECATED;
  struct World *world_override DNA_DEPRECATED;
 
  unsigned int lay DNA_DEPRECATED;
  unsigned int lay_zmask DNA_DEPRECATED;
  unsigned int lay_exclude DNA_DEPRECATED;
  int layflag DNA_DEPRECATED;
 
  /* Pass_xor has to be after passflag. */
  int passflag DNA_DEPRECATED;
  int pass_xor DNA_DEPRECATED;
 
  int samples DNA_DEPRECATED;
  float pass_alpha_threshold DNA_DEPRECATED;
 
  IDProperty *prop DNA_DEPRECATED;
 
  struct FreestyleConfig freestyleConfig DNA_DEPRECATED;
} SceneRenderLayer;
 
enum {
  SCE_LAY_SOLID = 1 << 0,
  SCE_LAY_UNUSED_1 = 1 << 1,
  SCE_LAY_UNUSED_2 = 1 << 2,
  SCE_LAY_UNUSED_3 = 1 << 3,
  SCE_LAY_SKY = 1 << 4,
  SCE_LAY_STRAND = 1 << 5,
  SCE_LAY_FRS = 1 << 6,
  SCE_LAY_AO = 1 << 7,
  SCE_LAY_VOLUMES = 1 << 8,
  SCE_LAY_MOTION_BLUR = 1 << 9,
 
  /* Flags between (1 << 9) and (1 << 15) are set to 1 already, for future options. */
 
  SCE_LAY_FLAG_DEFAULT = ((1 << 15) - 1),
 
  SCE_LAY_UNUSED_4 = 1 << 15,
  SCE_LAY_UNUSED_5 = 1 << 16,
  SCE_LAY_DISABLE = 1 << 17,
  SCE_LAY_UNUSED_6 = 1 << 18,
  SCE_LAY_UNUSED_7 = 1 << 19,
};
 
typedef enum eScenePassType {
  SCE_PASS_COMBINED = (1 << 0),
  SCE_PASS_Z = (1 << 1),
  SCE_PASS_UNUSED_1 = (1 << 2), /* RGBA */
  SCE_PASS_UNUSED_2 = (1 << 3), /* DIFFUSE */
  SCE_PASS_UNUSED_3 = (1 << 4), /* SPEC */
  SCE_PASS_SHADOW = (1 << 5),
  SCE_PASS_AO = (1 << 6),
  SCE_PASS_POSITION = (1 << 7),
  SCE_PASS_NORMAL = (1 << 8),
  SCE_PASS_VECTOR = (1 << 9),
  SCE_PASS_UNUSED_5 = (1 << 10), /* REFRACT */
  SCE_PASS_INDEXOB = (1 << 11),
  SCE_PASS_UV = (1 << 12),
  SCE_PASS_UNUSED_6 = (1 << 13), /* INDIRECT */
  SCE_PASS_MIST = (1 << 14),
  SCE_PASS_UNUSED_7 = (1 << 15), /* RAYHITS */
  SCE_PASS_EMIT = (1 << 16),
  SCE_PASS_ENVIRONMENT = (1 << 17),
  SCE_PASS_INDEXMA = (1 << 18),
  SCE_PASS_DIFFUSE_DIRECT = (1 << 19),
  SCE_PASS_DIFFUSE_INDIRECT = (1 << 20),
  SCE_PASS_DIFFUSE_COLOR = (1 << 21),
  SCE_PASS_GLOSSY_DIRECT = (1 << 22),
  SCE_PASS_GLOSSY_INDIRECT = (1 << 23),
  SCE_PASS_GLOSSY_COLOR = (1 << 24),
  SCE_PASS_TRANSM_DIRECT = (1 << 25),
  SCE_PASS_TRANSM_INDIRECT = (1 << 26),
  SCE_PASS_TRANSM_COLOR = (1 << 27),
  SCE_PASS_SUBSURFACE_DIRECT = (1 << 28),
  SCE_PASS_SUBSURFACE_INDIRECT = (1 << 29),
  SCE_PASS_SUBSURFACE_COLOR = (1 << 30),
  SCE_PASS_ROUGHNESS = (1u << 31u),
} eScenePassType;
 
#define RE_PASSNAME_DEPRECATED "Deprecated"
 
#define RE_PASSNAME_COMBINED "Combined"
#define RE_PASSNAME_Z "Depth"
#define RE_PASSNAME_VECTOR "Vector"
#define RE_PASSNAME_POSITION "Position"
#define RE_PASSNAME_NORMAL "Normal"
#define RE_PASSNAME_UV "UV"
#define RE_PASSNAME_EMIT "Emit"
#define RE_PASSNAME_SHADOW "Shadow"
 
#define RE_PASSNAME_AO "AO"
#define RE_PASSNAME_ENVIRONMENT "Env"
#define RE_PASSNAME_INDEXOB "IndexOB"
#define RE_PASSNAME_INDEXMA "IndexMA"
#define RE_PASSNAME_MIST "Mist"
 
#define RE_PASSNAME_DIFFUSE_DIRECT "DiffDir"
#define RE_PASSNAME_DIFFUSE_INDIRECT "DiffInd"
#define RE_PASSNAME_DIFFUSE_COLOR "DiffCol"
#define RE_PASSNAME_GLOSSY_DIRECT "GlossDir"
#define RE_PASSNAME_GLOSSY_INDIRECT "GlossInd"
#define RE_PASSNAME_GLOSSY_COLOR "GlossCol"
#define RE_PASSNAME_TRANSM_DIRECT "TransDir"
#define RE_PASSNAME_TRANSM_INDIRECT "TransInd"
#define RE_PASSNAME_TRANSM_COLOR "TransCol"
 
#define RE_PASSNAME_SUBSURFACE_DIRECT "SubsurfaceDir"
#define RE_PASSNAME_SUBSURFACE_INDIRECT "SubsurfaceInd"
#define RE_PASSNAME_SUBSURFACE_COLOR "SubsurfaceCol"
 
#define RE_PASSNAME_FREESTYLE "Freestyle"
#define RE_PASSNAME_BLOOM "BloomCol"
#define RE_PASSNAME_VOLUME_LIGHT "VolumeDir"
#define RE_PASSNAME_TRANSPARENT "Transp"
 
#define RE_PASSNAME_CRYPTOMATTE_OBJECT "CryptoObject"
#define RE_PASSNAME_CRYPTOMATTE_ASSET "CryptoAsset"
#define RE_PASSNAME_CRYPTOMATTE_MATERIAL "CryptoMaterial"
 
/* -------------------------------------------------------------------- */
typedef struct SceneRenderView {
  struct SceneRenderView *next, *prev;
 
  char name[64];
  char suffix[64];
 
  int viewflag;
  char _pad2[4];
 
} SceneRenderView;
 
enum {
  SCE_VIEW_DISABLE = 1 << 0,
};
 
enum {
  SCE_VIEWS_FORMAT_STEREO_3D = 0,
  SCE_VIEWS_FORMAT_MULTIVIEW = 1,
};
 
enum {
  R_IMF_VIEWS_INDIVIDUAL = 0,
  R_IMF_VIEWS_STEREO_3D = 1,
  R_IMF_VIEWS_MULTIVIEW = 2,
};
 
typedef struct Stereo3dFormat {
  short flag;
  char display_mode;
  char anaglyph_type;
  char interlace_type;
  char _pad[3];
} Stereo3dFormat;
 
typedef enum eStereoDisplayMode {
  S3D_DISPLAY_ANAGLYPH = 0,
  S3D_DISPLAY_INTERLACE = 1,
  S3D_DISPLAY_PAGEFLIP = 2,
  S3D_DISPLAY_SIDEBYSIDE = 3,
  S3D_DISPLAY_TOPBOTTOM = 4,
} eStereoDisplayMode;
 
typedef enum eStereo3dFlag {
  S3D_INTERLACE_SWAP = (1 << 0),
  S3D_SIDEBYSIDE_CROSSEYED = (1 << 1),
  S3D_SQUEEZED_FRAME = (1 << 2),
} eStereo3dFlag;
 
typedef enum eStereo3dAnaglyphType {
  S3D_ANAGLYPH_REDCYAN = 0,
  S3D_ANAGLYPH_GREENMAGENTA = 1,
  S3D_ANAGLYPH_YELLOWBLUE = 2,
} eStereo3dAnaglyphType;
 
typedef enum eStereo3dInterlaceType {
  S3D_INTERLACE_ROW = 0,
  S3D_INTERLACE_COLUMN = 1,
  S3D_INTERLACE_CHECKERBOARD = 2,
} eStereo3dInterlaceType;
 
/* -------------------------------------------------------------------- */
typedef struct ImageFormatData {
  char imtype;
  char depth;
 
  char planes;
  char flag;
 
  char quality;
  char compress;
 
  /* --- format specific --- */
 
  char exr_codec;
 
  char cineon_flag;
  short cineon_white, cineon_black;
  float cineon_gamma;
 
  char jp2_flag;
  char jp2_codec;
 
  char tiff_codec;
 
  char _pad[4];
 
  char views_format;
  Stereo3dFormat stereo3d_format;
 
  /* Color management members. */
 
  char color_management;
  char _pad1[7];
  ColorManagedViewSettings view_settings;
  ColorManagedDisplaySettings display_settings;
  ColorManagedColorspaceSettings linear_colorspace_settings;
} ImageFormatData;
 
enum {
  R_IMF_IMTYPE_TARGA = 0,
  R_IMF_IMTYPE_IRIS = 1,
  // R_HAMX = 2,  /* DEPRECATED */
  // R_FTYPE = 3, /* DEPRECATED */
  R_IMF_IMTYPE_JPEG90 = 4,
  // R_MOVIE = 5, /* DEPRECATED */
  R_IMF_IMTYPE_IRIZ = 7,
  R_IMF_IMTYPE_RAWTGA = 14,
  R_IMF_IMTYPE_AVIRAW = 15,
  R_IMF_IMTYPE_AVIJPEG = 16,
  R_IMF_IMTYPE_PNG = 17,
  // R_IMF_IMTYPE_AVICODEC = 18,  /* DEPRECATED */
  // R_IMF_IMTYPE_QUICKTIME = 19, /* DEPRECATED */
  R_IMF_IMTYPE_BMP = 20,
  R_IMF_IMTYPE_RADHDR = 21,
  R_IMF_IMTYPE_TIFF = 22,
  R_IMF_IMTYPE_OPENEXR = 23,
  R_IMF_IMTYPE_FFMPEG = 24,
  // R_IMF_IMTYPE_FRAMESERVER = 25, /* DEPRECATED */
  R_IMF_IMTYPE_CINEON = 26,
  R_IMF_IMTYPE_DPX = 27,
  R_IMF_IMTYPE_MULTILAYER = 28,
  R_IMF_IMTYPE_DDS = 29,
  R_IMF_IMTYPE_JP2 = 30,
  R_IMF_IMTYPE_H264 = 31,
  R_IMF_IMTYPE_XVID = 32,
  R_IMF_IMTYPE_THEORA = 33,
  R_IMF_IMTYPE_PSD = 34,
  R_IMF_IMTYPE_WEBP = 35,
  R_IMF_IMTYPE_AV1 = 36,
 
  R_IMF_IMTYPE_INVALID = 255,
};
 
enum {
  // R_IMF_FLAG_ZBUF = 1 << 0, /* DEPRECATED, and cleared. */
  R_IMF_FLAG_PREVIEW_JPG = 1 << 1,
};
 
/*  */
 
typedef enum eImageFormatDepth {
  R_IMF_CHAN_DEPTH_1 = (1 << 0),
  R_IMF_CHAN_DEPTH_8 = (1 << 1),
  R_IMF_CHAN_DEPTH_10 = (1 << 2),
  R_IMF_CHAN_DEPTH_12 = (1 << 3),
  R_IMF_CHAN_DEPTH_16 = (1 << 4),
  R_IMF_CHAN_DEPTH_24 = (1 << 5),
  R_IMF_CHAN_DEPTH_32 = (1 << 6),
} eImageFormatDepth;
 
enum {
  R_IMF_PLANES_RGB = 24,
  R_IMF_PLANES_RGBA = 32,
  R_IMF_PLANES_BW = 8,
};
 
enum {
  R_IMF_EXR_CODEC_NONE = 0,
  R_IMF_EXR_CODEC_PXR24 = 1,
  R_IMF_EXR_CODEC_ZIP = 2,
  R_IMF_EXR_CODEC_PIZ = 3,
  R_IMF_EXR_CODEC_RLE = 4,
  R_IMF_EXR_CODEC_ZIPS = 5,
  R_IMF_EXR_CODEC_B44 = 6,
  R_IMF_EXR_CODEC_B44A = 7,
  R_IMF_EXR_CODEC_DWAA = 8,
  R_IMF_EXR_CODEC_DWAB = 9,
  R_IMF_EXR_CODEC_MAX = 10,
};
 
enum {
  R_IMF_JP2_FLAG_YCC = 1 << 0,         /* Was `R_JPEG2K_YCC`. */
  R_IMF_JP2_FLAG_CINE_PRESET = 1 << 1, /* Was `R_JPEG2K_CINE_PRESET`. */
  R_IMF_JP2_FLAG_CINE_48 = 1 << 2,     /* Was `R_JPEG2K_CINE_48FPS`. */
};
 
enum {
  R_IMF_JP2_CODEC_JP2 = 0,
  R_IMF_JP2_CODEC_J2K = 1,
};
 
enum {
  R_IMF_CINEON_FLAG_LOG = 1 << 0, /* Was `R_CINEON_LOG`. */
};
 
enum {
  R_IMF_TIFF_CODEC_DEFLATE = 0,
  R_IMF_TIFF_CODEC_LZW = 1,
  R_IMF_TIFF_CODEC_PACKBITS = 2,
  R_IMF_TIFF_CODEC_NONE = 3,
};
 
/* -------------------------------------------------------------------- */
enum {
  R_IMF_COLOR_MANAGEMENT_FOLLOW_SCENE = 0,
  R_IMF_COLOR_MANAGEMENT_OVERRIDE = 1,
};
 
typedef struct BakeData {
  struct ImageFormatData im_format;
 
  char filepath[1024];
 
  short width, height;
  short margin, flag;
 
  float cage_extrusion;
  float max_ray_distance;
  int pass_filter;
 
  char normal_swizzle[3];
  char normal_space;
 
  char target;
  char save_mode;
  char margin_type;
  char view_from;
  char _pad[4];
 
  struct Object *cage_object;
} BakeData;
 
typedef enum eBakeMarginType {
  R_BAKE_ADJACENT_FACES = 0,
  R_BAKE_EXTEND = 1,
} eBakeMarginType;
 
typedef enum eBakeNormalSwizzle {
  R_BAKE_POSX = 0,
  R_BAKE_POSY = 1,
  R_BAKE_POSZ = 2,
  R_BAKE_NEGX = 3,
  R_BAKE_NEGY = 4,
  R_BAKE_NEGZ = 5,
} eBakeNormalSwizzle;
 
typedef enum eBakeTarget {
  R_BAKE_TARGET_IMAGE_TEXTURES = 0,
  R_BAKE_TARGET_VERTEX_COLORS = 1,
} eBakeTarget;
 
typedef enum eBakeSaveMode {
  R_BAKE_SAVE_INTERNAL = 0,
  R_BAKE_SAVE_EXTERNAL = 1,
} eBakeSaveMode;
 
typedef enum eBakeViewFrom {
  R_BAKE_VIEW_FROM_ABOVE_SURFACE = 0,
  R_BAKE_VIEW_FROM_ACTIVE_CAMERA = 1,
} eBakeViewFrom;
 
typedef enum eBakePassFilter {
  R_BAKE_PASS_FILTER_NONE = 0,
  R_BAKE_PASS_FILTER_UNUSED = (1 << 0),
  R_BAKE_PASS_FILTER_EMIT = (1 << 1),
  R_BAKE_PASS_FILTER_DIFFUSE = (1 << 2),
  R_BAKE_PASS_FILTER_GLOSSY = (1 << 3),
  R_BAKE_PASS_FILTER_TRANSM = (1 << 4),
  R_BAKE_PASS_FILTER_SUBSURFACE = (1 << 5),
  R_BAKE_PASS_FILTER_DIRECT = (1 << 6),
  R_BAKE_PASS_FILTER_INDIRECT = (1 << 7),
  R_BAKE_PASS_FILTER_COLOR = (1 << 8),
} eBakePassFilter;
 
#define R_BAKE_PASS_FILTER_ALL (~0)
 
/* -------------------------------------------------------------------- */
typedef struct RenderData {
  struct ImageFormatData im_format;
 
  void *_pad;
  struct FFMpegCodecData ffcodecdata;
 
  int cfra, sfra, efra;
  float subframe;
  int psfra, pefra;
 
  int images, framapto;
  short flag, threads;
 
  float framelen;
 
  int frame_step;
 
  short dimensionspreset;
 
  short size;
 
  /* From buttons: */
  int xsch;
  int ysch;
 
  int tilex DNA_DEPRECATED;
  int tiley DNA_DEPRECATED;
 
  short planes DNA_DEPRECATED;
  short imtype DNA_DEPRECATED;
  short subimtype DNA_DEPRECATED;
  short quality DNA_DEPRECATED;
 
  char use_lock_interface;
  char _pad7[3];
 
  int scemode;
 
  int mode;
 
  short frs_sec;
 
  char alphamode;
 
  char _pad0[1];
 
  rctf border;
 
  /* Information on different layers to be rendered. */
  ListBase layers DNA_DEPRECATED;
  short actlay DNA_DEPRECATED;
  char _pad1[2];
 
  float xasp, yasp;
 
  float frs_sec_base;
 
  float gauss;
 
  int color_mgt_flag;
 
  float dither_intensity;
 
  /* Bake Render options. */
  short bake_mode, bake_flag;
  short bake_margin, bake_samples;
  short bake_margin_type;
  char _pad9[6];
  float bake_biasdist, bake_user_scale;
 
  /* Path to render output. */
  /* NOTE: Excluded from `BKE_bpath_foreach_path_` / `scene_foreach_path` code. */
  char pic[1024];
 
  int stamp;
  short stamp_font_id;
  char _pad3[2];
 
  char stamp_udata[768];
 
  /* Foreground/background color. */
  float fg_stamp[4];
  float bg_stamp[4];
 
  char seq_prev_type;
  char seq_rend_type;
  char seq_flag;
  char _pad5[3];
 
  /* Render simplify. */
  short simplify_subsurf;
  short simplify_subsurf_render;
  short simplify_gpencil;
  float simplify_particles;
  float simplify_particles_render;
  float simplify_volumes;
 
  int line_thickness_mode;
  float unit_line_thickness;
 
  char engine[32];
  char _pad2[2];
 
  short perf_flag;
 
  struct BakeData bake;
 
  int _pad8;
  short preview_pixel_size;
 
  short _pad4;
 
  /* MultiView. */
  ListBase views;
  short actview;
  short views_format;
 
  /* Hair Display. */
  short hair_type, hair_subdiv;
 
  float motion_blur_shutter;
  int motion_blur_position;
  struct CurveMapping mblur_shutter_curve;
 
  int compositor_device; /* eCompositorDevice */
 
  int compositor_precision; /* eCompositorPrecision */
 
  /* If false and the experimental enable_new_cpu_compositor is true, use the new experimental
   * CPU compositor implementation, otherwise, use the old CPU compositor. */
  char use_old_cpu_compositor;
  char _pad10[7];
} RenderData;
 
typedef enum eQualityOption {
  SCE_PERF_HQ_NORMALS = (1 << 0),
} eQualityOption;
 
typedef enum eHairType {
  SCE_HAIR_SHAPE_STRAND = 0,
  SCE_HAIR_SHAPE_STRIP = 1,
} eHairType;
 
enum {
  SCE_MB_CENTER = 0,
  SCE_MB_START = 1,
  SCE_MB_END = 2,
};
 
typedef enum eCompositorDevice {
  SCE_COMPOSITOR_DEVICE_CPU = 0,
  SCE_COMPOSITOR_DEVICE_GPU = 1,
} eCompositorDevice;
 
typedef enum eCompositorPrecision {
  SCE_COMPOSITOR_PRECISION_AUTO = 0,
  SCE_COMPOSITOR_PRECISION_FULL = 1,
} eCompositorPrecision;
 
/* -------------------------------------------------------------------- */
/* UV Paint. */
enum {
  UV_SCULPT_LOCK_BORDERS = 1,
  UV_SCULPT_ALL_ISLANDS = 2,
};
 
/* Stereo Flags. */
#define STEREO_RIGHT_NAME "right"
#define STEREO_LEFT_NAME "left"
#define STEREO_RIGHT_SUFFIX "_R"
#define STEREO_LEFT_SUFFIX "_L"
 
typedef enum eStereoViews {
  STEREO_LEFT_ID = 0,
  STEREO_RIGHT_ID = 1,
  STEREO_3D_ID = 2,
  STEREO_MONO_ID = 3,
} eStereoViews;
 
/* -------------------------------------------------------------------- */
typedef struct TimeMarker {
  struct TimeMarker *next, *prev;
  int frame;
  char name[64];
  unsigned int flag;
  struct Object *camera;
  struct IDProperty *prop;
} TimeMarker;
 
/* -------------------------------------------------------------------- */
#define PAINT_MAX_INPUT_SAMPLES 64
 
typedef struct Paint_Runtime {
  unsigned int initialized;
  unsigned short ob_mode;
  char _pad[2];
} Paint_Runtime;
 
typedef struct NamedBrushAssetReference {
  struct NamedBrushAssetReference *next, *prev;
 
  const char *name;
  struct AssetWeakReference *brush_asset_reference;
} NamedBrushAssetReference;
 
typedef struct ToolSystemBrushBindings {
  struct AssetWeakReference *main_brush_asset_reference;
 
  ListBase active_brush_per_brush_type; /* #NamedBrushAssetReference */
} ToolSystemBrushBindings;
 
typedef struct Paint {
  struct Brush *brush;
 
  struct AssetWeakReference *brush_asset_reference;
 
  struct Brush *eraser_brush;
  struct AssetWeakReference *eraser_brush_asset_reference;
 
  ToolSystemBrushBindings tool_brush_bindings;
 
  struct Palette *palette;
  struct CurveMapping *cavity_curve;
 
  void *paint_cursor;
  unsigned char paint_cursor_col[4];
 
  int flags;
 
  int num_input_samples_deprecated;
 
  int symmetry_flags;
 
  float tile_offset[3];
  char _pad2[4];
 
  struct Paint_Runtime runtime;
} Paint;
 
/* -------------------------------------------------------------------- */
typedef struct ImagePaintSettings {
  Paint paint;
 
  short flag, missing_data;
 
  short seam_bleed, normal_angle;
  short screen_grab_size[2];
 
  int mode;
 
  struct Image *stencil;
  struct Image *clone;
  struct Image *canvas;
  float stencil_col[3];
  float dither;
  int interp;
  char _pad[4];
} ImagePaintSettings;
 
/* -------------------------------------------------------------------- */
typedef struct PaintModeSettings {
  char canvas_source;
  char _pad[7];
 
  Image *canvas_image;
  ImageUser image_user;
 
} PaintModeSettings;
 
/* -------------------------------------------------------------------- */
typedef struct ParticleBrushData {
  short size;
  short step, invert, count;
  int flag;
  float strength;
} ParticleBrushData;
 
typedef struct ParticleEditSettings {
  short flag;
  short totrekey;
  short totaddkey;
  short brushtype;
 
  ParticleBrushData brush[7];
  void *paintcursor;
 
  float emitterdist;
  char _pad0[4];
 
  int selectmode;
  int edittype;
 
  int draw_step, fade_frames;
 
  struct Scene *scene;
  struct Object *object;
  struct Object *shape_object;
} ParticleEditSettings;
 
/* -------------------------------------------------------------------- */
typedef struct Sculpt {
  Paint paint;
 
  // float pivot[3]; XXX not used?
  int flags;
 
  int transform_mode;
 
  int automasking_flags;
 
  // /* Control tablet input. */
  // char tablet_size, tablet_strength; XXX not used?
  int radial_symm[3];
 
  float detail_size;
 
  int symmetrize_direction;
 
  float gravity_factor;
 
  /* Scale for constant detail size. */
  float constant_detail;
  float detail_percent;
 
  int automasking_boundary_edges_propagation_steps;
  int automasking_cavity_blur_steps;
  float automasking_cavity_factor;
 
  float automasking_start_normal_limit, automasking_start_normal_falloff;
  float automasking_view_normal_limit, automasking_view_normal_falloff;
 
  struct CurveMapping *automasking_cavity_curve;
  struct CurveMapping *automasking_cavity_curve_op;
  struct Object *gravity_object;
} Sculpt;
 
typedef struct CurvesSculpt {
  Paint paint;
} CurvesSculpt;
 
typedef struct UvSculpt {
  struct CurveMapping *strength_curve;
  int size;
  float strength;
  int8_t curve_preset; /* #eBrushCurvePreset. */
  char _pad[7];
} UvSculpt;
 
typedef struct GpPaint {
  Paint paint;
  int flag;
  int mode;
} GpPaint;
 
enum {
  GPPAINT_FLAG_USE_MATERIAL = 0,
  GPPAINT_FLAG_USE_VERTEXCOLOR = 1,
};
 
typedef struct GpVertexPaint {
  Paint paint;
  int flag;
  char _pad[4];
} GpVertexPaint;
 
typedef struct GpSculptPaint {
  Paint paint;
  int flag;
  char _pad[4];
} GpSculptPaint;
 
typedef struct GpWeightPaint {
  Paint paint;
  int flag;
  char _pad[4];
} GpWeightPaint;
 
/* -------------------------------------------------------------------- */
typedef struct VPaint {
  Paint paint;
  char flag;
  char _pad[3];
  int radial_symm[3];
} VPaint;
 
enum {
  VP_FLAG_VGROUP_RESTRICT = (1 << 7),
};
 
/* -------------------------------------------------------------------- */
typedef enum eGP_Lockaxis_Types {
  GP_LOCKAXIS_VIEW = 0,
  GP_LOCKAXIS_X = 1,
  GP_LOCKAXIS_Y = 2,
  GP_LOCKAXIS_Z = 3,
  GP_LOCKAXIS_CURSOR = 4,
} eGP_Lockaxis_Types;
 
typedef struct GP_Sculpt_Guide {
  char use_guide;
  char use_snapping;
  char reference_point;
  char type;
  char _pad2[4];
  float angle;
  float angle_snap;
  float spacing;
  float location[3];
  struct Object *reference_object;
} GP_Sculpt_Guide;
 
typedef struct GP_Sculpt_Settings {
  void *paintcursor;
  int flag;
  int lock_axis;
  float isect_threshold;
  char _pad[4];
  struct CurveMapping *cur_falloff;
  struct CurveMapping *cur_primitive;
  struct GP_Sculpt_Guide guide;
} GP_Sculpt_Settings;
 
typedef enum eGP_Sculpt_SettingsFlag {
  GP_SCULPT_SETT_FLAG_FRAME_FALLOFF = (1 << 0),
  GP_SCULPT_SETT_FLAG_PRIMITIVE_CURVE = (1 << 1),
  GP_SCULPT_SETT_FLAG_SCALE_THICKNESS = (1 << 3),
  GP_SCULPT_SETT_FLAG_AUTOMASK_STROKE = (1 << 4),
  GP_SCULPT_SETT_FLAG_AUTOMASK_LAYER_STROKE = (1 << 5),
  GP_SCULPT_SETT_FLAG_AUTOMASK_MATERIAL_STROKE = (1 << 6),
  GP_SCULPT_SETT_FLAG_AUTOMASK_LAYER_ACTIVE = (1 << 7),
  GP_SCULPT_SETT_FLAG_AUTOMASK_MATERIAL_ACTIVE = (1 << 8),
} eGP_Sculpt_SettingsFlag;
 
typedef enum eGP_Sculpt_SelectMaskFlag {
  GP_SCULPT_MASK_SELECTMODE_POINT = (1 << 0),
  GP_SCULPT_MASK_SELECTMODE_STROKE = (1 << 1),
  GP_SCULPT_MASK_SELECTMODE_SEGMENT = (1 << 2),
} eGP_Sculpt_SelectMaskFlag;
 
typedef enum eGP_vertex_SelectMaskFlag {
  GP_VERTEX_MASK_SELECTMODE_POINT = (1 << 0),
  GP_VERTEX_MASK_SELECTMODE_STROKE = (1 << 1),
  GP_VERTEX_MASK_SELECTMODE_SEGMENT = (1 << 2),
} eGP_Vertex_SelectMaskFlag;
 
typedef struct GP_Interpolate_Settings {
  struct CurveMapping *custom_ipo;
} GP_Interpolate_Settings;
 
typedef enum eGP_Interpolate_SettingsFlag {
  GP_TOOLFLAG_INTERPOLATE_ALL_LAYERS = (1 << 0),
  GP_TOOLFLAG_INTERPOLATE_ONLY_SELECTED = (1 << 1),
  GP_TOOLFLAG_INTERPOLATE_EXCLUDE_BREAKDOWNS = (1 << 2),
} eGP_Interpolate_SettingsFlag;
 
typedef enum eGP_Interpolate_Type {
  GP_IPO_LINEAR = 0,
 
  GP_IPO_CURVEMAP = 1,
 
  /* Easing Equations. */
  GP_IPO_BACK = 3,
  GP_IPO_BOUNCE = 4,
  GP_IPO_CIRC = 5,
  GP_IPO_CUBIC = 6,
  GP_IPO_ELASTIC = 7,
  GP_IPO_EXPO = 8,
  GP_IPO_QUAD = 9,
  GP_IPO_QUART = 10,
  GP_IPO_QUINT = 11,
  GP_IPO_SINE = 12,
} eGP_Interpolate_Type;
 
/* -------------------------------------------------------------------- */
typedef struct UnifiedPaintSettings {
  int size;
 
  float unprojected_radius;
 
  float alpha;
 
  float weight;
 
  float rgb[3];
  float secondary_rgb[3];
 
  int input_samples;
 
  int flag;
  char _pad[4];
 
  /* Rake rotation. */
 
  float last_rake[2];
  float last_rake_angle;
 
  int last_stroke_valid;
  float average_stroke_accum[3];
  int average_stroke_counter;
 
  /* How much brush should be rotated in the view plane, 0 means x points right, y points up.
   * The convention is that the brush's _negative_ Y axis points in the tangent direction (of the
   * mouse curve, Bezier curve, etc.) */
  float brush_rotation;
  float brush_rotation_sec;
 
  /*******************************************************************************
   * all data below are used to communicate with cursor drawing and tex sampling *
   *******************************************************************************/
  int anchored_size;
 
  float overlap_factor;
  char draw_inverted;
  char stroke_active;
 
  char draw_anchored;
  char do_linear_conversion;
 
  float last_location[3];
  int last_hit;
 
  float anchored_initial_mouse[2];
 
  float pixel_radius;
  float initial_pixel_radius;
  float start_pixel_radius;
 
  float size_pressure_value;
 
  float tex_mouse[2];
 
  float mask_tex_mouse[2];
 
  struct ColorSpace *colorspace;
} UnifiedPaintSettings;
 
typedef enum {
  UNIFIED_PAINT_SIZE = (1 << 0),
  UNIFIED_PAINT_ALPHA = (1 << 1),
  UNIFIED_PAINT_WEIGHT = (1 << 5),
  UNIFIED_PAINT_COLOR = (1 << 6),
  UNIFIED_PAINT_INPUT_SAMPLES = (1 << 7),
 
  UNIFIED_PAINT_BRUSH_LOCK_SIZE = (1 << 2),
  UNIFIED_PAINT_FLAG_UNUSED_0 = (1 << 3),
 
  UNIFIED_PAINT_FLAG_UNUSED_1 = (1 << 4),
} eUnifiedPaintSettingsFlags;
 
typedef struct CurvePaintSettings {
  char curve_type;
  char flag;
  char depth_mode;
  char surface_plane;
  char fit_method;
  char _pad;
  short error_threshold;
  float radius_min, radius_max;
  float radius_taper_start, radius_taper_end;
  float surface_offset;
  float corner_angle;
} CurvePaintSettings;
 
enum {
  CURVE_PAINT_FLAG_CORNERS_DETECT = (1 << 0),
  CURVE_PAINT_FLAG_PRESSURE_RADIUS = (1 << 1),
  CURVE_PAINT_FLAG_DEPTH_STROKE_ENDPOINTS = (1 << 2),
  CURVE_PAINT_FLAG_DEPTH_STROKE_OFFSET_ABS = (1 << 3),
  CURVE_PAINT_FLAG_DEPTH_ONLY_SELECTED = (1 << 4),
};
 
enum {
  CURVE_PAINT_FIT_METHOD_REFIT = 0,
  CURVE_PAINT_FIT_METHOD_SPLIT = 1,
};
 
enum {
  CURVE_PAINT_PROJECT_CURSOR = 0,
  CURVE_PAINT_PROJECT_SURFACE = 1,
};
 
enum {
  CURVE_PAINT_SURFACE_PLANE_NORMAL_VIEW = 0,
  CURVE_PAINT_SURFACE_PLANE_NORMAL_SURFACE = 1,
  CURVE_PAINT_SURFACE_PLANE_VIEW = 2,
};
 
/* -------------------------------------------------------------------- */
typedef struct MeshStatVis {
  char type;
  char _pad1[2];
 
  /* Overhang. */
  char overhang_axis;
  float overhang_min, overhang_max;
 
  /* Thickness. */
  float thickness_min, thickness_max;
  char thickness_samples;
  char _pad2[3];
 
  /* Distort. */
  float distort_min, distort_max;
 
  /* Sharp. */
  float sharp_min, sharp_max;
} MeshStatVis;
 
/* -------------------------------------------------------------------- */
typedef struct SequencerToolSettings {
  int fit_method;
  short snap_mode;
  short snap_flag;
  int overlap_mode;
  int snap_distance;
  int pivot_point;
} SequencerToolSettings;
 
typedef enum eSeqOverlapMode {
  SEQ_OVERLAP_EXPAND,
  SEQ_OVERLAP_OVERWRITE,
  SEQ_OVERLAP_SHUFFLE,
} eSeqOverlapMode;
 
/* -------------------------------------------------------------------- */
enum {
  AUTO_MERGE = 1 << 0,
  AUTO_MERGE_AND_SPLIT = 1 << 1,
};
 
typedef struct ToolSettings {
  VPaint *vpaint;
  VPaint *wpaint;
  Sculpt *sculpt;
  UvSculpt uvsculpt;
  GpPaint *gp_paint;
  GpVertexPaint *gp_vertexpaint;
  GpSculptPaint *gp_sculptpaint;
  GpWeightPaint *gp_weightpaint;
  CurvesSculpt *curves_sculpt;
 
  float vgroup_weight;
 
  float doublimit;
  char automerge;
  char object_flag;
 
  char selectmode;
 
  /* UV Calculation. */
 
  /* Use `UVCALC_UNWRAP_METHOD_*` values. */
  char unwrapper;
  char uvcalc_flag;
  char uv_flag;
  char uv_selectmode;
  char uv_sticky;
 
  float uvcalc_margin;
 
  int uvcalc_iterations;
  float uvcalc_weight_factor;
 
  char uvcalc_weight_group[64]; /* MAX_VGROUP_NAME */
 
  /* Auto-IK. */
  short autoik_chainlen;
 
  /* Grease Pencil. */
  char gpencil_flags;
 
  char gpencil_v3d_align;
  char gpencil_v2d_align;
 
  /* Annotations. */
  char annotate_v3d_align;
  short annotate_thickness;
 
  float gpencil_surface_offset;
 
  char gpencil_selectmode_edit;
  char gpencil_selectmode_sculpt;
  char _pad0[6];
 
  struct GP_Sculpt_Settings gp_sculpt;
 
  struct GP_Interpolate_Settings gp_interpolate;
 
  struct ImagePaintSettings imapaint;
 
  struct PaintModeSettings paint_mode;
 
  struct ParticleEditSettings particle;
 
  float proportional_size;
 
  float select_thresh;
 
  /* Keying Settings. */
  short keying_flag;
  char autokey_mode;
  char keyframe_type;
 
  char multires_subdiv_type;
 
  char edge_mode;
 
  char edge_mode_live_unwrap;
 
  /* Transform. */
 
  char transform_pivot_point;
  char transform_flag;
  char snap_node_mode;
  short snap_mode;
  short snap_uv_mode;
  short snap_anim_mode;
  short snap_flag;
  short snap_flag_node;
  short snap_flag_seq;
  short snap_flag_anim;
  short snap_uv_flag;
  char _pad[4];
  char snap_target;
  char snap_transform_mode_flag;
  short snap_face_nearest_steps;
 
  char proportional_edit, prop_mode;
  char proportional_objects;
  char proportional_mask;
  char proportional_action;
  char proportional_fcurve;
  char lock_markers;
 
  char auto_normalize;
  char wpaint_lock_relative;
  char multipaint;
  char weightuser;
  char vgroupsubset;
 
  char gpencil_selectmode_vertex;
 
  /* UV painting. */
  char uv_sculpt_settings;
 
  char workspace_tool_type;
 
  char _pad5[1];
 
  short sculpt_paint_settings DNA_DEPRECATED;
  int sculpt_paint_unified_size DNA_DEPRECATED;
  float sculpt_paint_unified_unprojected_radius DNA_DEPRECATED;
  float sculpt_paint_unified_alpha DNA_DEPRECATED;
 
  struct UnifiedPaintSettings unified_paint_settings;
 
  struct CurvePaintSettings curve_paint_settings;
 
  struct MeshStatVis statvis;
 
  float normal_vector[3];
  char _pad6[4];
 
  struct CurveProfile *custom_bevel_profile_preset;
 
  struct SequencerToolSettings *sequencer_tool_settings;
 
  short snap_mode_tools; /* If SCE_SNAP_TO_NONE, use #ToolSettings::snap_mode. #eSnapMode. */
  char plane_axis;       /* X, Y or Z. */
  char plane_depth;      /* #eV3DPlaceDepth. */
  char plane_orient;     /* #eV3DPlaceOrient. */
  char use_plane_axis_auto;
  char _pad7[2];
 
  float snap_angle_increment_2d;
  float snap_angle_increment_2d_precision;
  float snap_angle_increment_3d;
  float snap_angle_increment_3d_precision;
 
} ToolSettings;
 
/* Assorted Scene Data. */
 
/* -------------------------------------------------------------------- */
typedef struct UnitSettings {
 
  float scale_length;
  char system;
  char system_rotation;
  short flag;
 
  char length_unit;
  char mass_unit;
  char time_unit;
  char temperature_unit;
 
  char _pad[4];
} UnitSettings;
 
/* -------------------------------------------------------------------- */
typedef struct PhysicsSettings {
  float gravity[3];
  int flag, quick_cache_step;
  char _pad0[4];
} PhysicsSettings;
 
typedef struct DisplaySafeAreas {
  /* Each value represents the (x,y) margins as a multiplier.
   * 'center' in this context is just the name for a different kind of safe-area. */
 
  float title[2];
  float action[2];
 
  /* Use for alternate aspect ratio. */
  float title_center[2];
  float action_center[2];
} DisplaySafeAreas;
 
typedef struct SceneDisplay {
  float light_direction[3];
  float shadow_shift, shadow_focus;
 
  float matcap_ssao_distance;
  float matcap_ssao_attenuation;
  int matcap_ssao_samples;
 
  char viewport_aa;
  char render_aa;
  char _pad[6];
 
  View3DShading shading;
} SceneDisplay;
 
typedef struct RaytraceEEVEE {
  float screen_trace_quality;
  float screen_trace_thickness;
  float trace_max_roughness;
  int resolution_scale;
  int flag;
  int denoise_stages;
} RaytraceEEVEE;
 
typedef struct SceneEEVEE {
  int flag;
  int gi_diffuse_bounces;
  int gi_cubemap_resolution;
  int gi_visibility_resolution;
  float gi_glossy_clamp;
  int gi_irradiance_pool_size;
  char _pad0[4];
 
  int taa_samples;
  int taa_render_samples;
 
  float volumetric_start;
  float volumetric_end;
  int volumetric_tile_size;
  int volumetric_samples;
  float volumetric_sample_distribution;
  float volumetric_light_clamp;
  int volumetric_shadow_samples;
  int volumetric_ray_depth;
 
  float gtao_distance;
  float gtao_thickness;
  float gtao_focus;
  int gtao_resolution;
 
  int fast_gi_step_count;
  int fast_gi_ray_count;
  float fast_gi_quality;
  float fast_gi_distance;
  float fast_gi_thickness_near;
  float fast_gi_thickness_far;
  char fast_gi_method;
  char _pad1[3];
 
  float bokeh_overblur;
  float bokeh_max_size;
  float bokeh_threshold;
  float bokeh_neighbor_max;
 
  int motion_blur_samples DNA_DEPRECATED;
  int motion_blur_max;
  int motion_blur_steps;
  int motion_blur_position_deprecated DNA_DEPRECATED;
  float motion_blur_shutter_deprecated DNA_DEPRECATED;
  float motion_blur_depth_scale;
 
  /* Only keep for versioning. */
  int shadow_cube_size_deprecated DNA_DEPRECATED;
  int shadow_pool_size;
  int shadow_ray_count;
  int shadow_step_count;
  float shadow_resolution_scale;
 
  float clamp_surface_direct;
  float clamp_surface_indirect;
  float clamp_volume_direct;
  float clamp_volume_indirect;
 
  int ray_tracing_method;
 
  struct RaytraceEEVEE ray_tracing_options;
 
  float overscan;
  float light_threshold;
} SceneEEVEE;
 
typedef struct SceneGpencil {
  float smaa_threshold;
  char _pad[4];
} SceneGpencil;
 
typedef struct SceneHydra {
  int export_method;
  int _pad0;
} SceneHydra;
 
/* -------------------------------------------------------------------- */
typedef struct TransformOrientationSlot {
  int type;
  int index_custom;
  char flag;
  char _pad0[7];
} TransformOrientationSlot;
 
enum {
  SCE_ORIENT_DEFAULT = 0,
  SCE_ORIENT_TRANSLATE = 1,
  SCE_ORIENT_ROTATE = 2,
  SCE_ORIENT_SCALE = 3,
};
 
/* -------------------------------------------------------------------- */
typedef struct Scene {
  ID id;
  struct AnimData *adt;
  DrawDataList drawdata;
 
  struct Object *camera;
  struct World *world;
 
  struct Scene *set;
 
  ListBase base DNA_DEPRECATED;
  struct Base *basact DNA_DEPRECATED;
  void *_pad1;
 
  View3DCursor cursor;
 
  unsigned int lay DNA_DEPRECATED;
  int layact DNA_DEPRECATED;
  char _pad2[4];
 
  short flag;
 
  char use_nodes;
  char _pad3[1];
 
  struct bNodeTree *nodetree;
 
  struct Editing *ed;
 
  struct ToolSettings *toolsettings;
  void *_pad4;
  struct DisplaySafeAreas safe_areas;
 
  /* Migrate or replace? depends on some internal things... */
  /* No, is on the right place (ton). */
  struct RenderData r;
  struct AudioData audio;
 
  ListBase markers;
  ListBase transform_spaces;
 
  TransformOrientationSlot orientation_slots[4];
 
  void *sound_scene;
  void *playback_handle;
  void *sound_scrub_handle;
  void *speaker_handles;
 
  void *fps_info;
 
  struct GHash *depsgraph_hash;
  char _pad7[4];
 
  /* User-Defined KeyingSets. */
  int active_keyingset;
  ListBase keyingsets;
 
  /* Units. */
  struct UnitSettings unit;
 
  struct bGPdata *gpd;
 
  /* Movie Tracking. */
  struct MovieClip *clip;
 
  struct PhysicsSettings physics_settings;
 
  void *_pad8;
  struct CustomData_MeshMasks customdata_mask;
  struct CustomData_MeshMasks customdata_mask_modal;
 
  /* Color Management. */
  ColorManagedViewSettings view_settings;
  ColorManagedDisplaySettings display_settings;
  ColorManagedColorspaceSettings sequencer_colorspace_settings;
 
  struct RigidBodyWorld *rigidbody_world;
 
  struct PreviewImage *preview;
 
  ListBase view_layers;
  struct Collection *master_collection;
 
  IDProperty *layer_properties;
 
  int simulation_frame_start;
  int simulation_frame_end;
 
  struct SceneDisplay display;
  struct SceneEEVEE eevee;
  struct SceneGpencil grease_pencil_settings;
  struct SceneHydra hydra;
 
  SceneRuntimeHandle *runtime;
  void *_pad9;
} Scene;
 
/* -------------------------------------------------------------------- */
enum {
  SCER_PRV_RANGE = 1 << 0,
  SCER_LOCK_FRAME_SELECTION = 1 << 1,
  SCER_SHOW_SUBFRAME = 1 << 3,
};
 
enum {
  R_MODE_UNUSED_0 = 1 << 0, /* dirty */
  R_SIMPLIFY_NORMALS = 1 << 1,
  R_MODE_UNUSED_2 = 1 << 2, /* cleared */
  R_MODE_UNUSED_3 = 1 << 3, /* cleared */
  R_MODE_UNUSED_4 = 1 << 4, /* cleared */
  R_MODE_UNUSED_5 = 1 << 5, /* cleared */
  R_MODE_UNUSED_6 = 1 << 6, /* cleared */
  R_MODE_UNUSED_7 = 1 << 7, /* cleared */
  R_MODE_UNUSED_8 = 1 << 8, /* cleared */
  R_BORDER = 1 << 9,
  R_MODE_UNUSED_10 = 1 << 10, /* cleared */
  R_CROP = 1 << 11,
  R_NO_CAMERA_SWITCH = 1 << 12,
  R_MODE_UNUSED_13 = 1 << 13, /* cleared */
  R_MBLUR = 1 << 14,
  /* unified was here */
  R_MODE_UNUSED_16 = 1 << 16, /* cleared */
  R_MODE_UNUSED_17 = 1 << 17, /* cleared */
  R_MODE_UNUSED_18 = 1 << 18, /* cleared */
  R_MODE_UNUSED_19 = 1 << 19, /* cleared */
  R_FIXED_THREADS = 1 << 19,
 
  R_MODE_UNUSED_20 = 1 << 20, /* cleared */
  R_MODE_UNUSED_21 = 1 << 21, /* cleared */
  R_NO_OVERWRITE = 1 << 22,   /* Skip existing files. */
  R_TOUCH = 1 << 23,          /* Touch files before rendering. */
  R_SIMPLIFY = 1 << 24,
  R_EDGE_FRS = 1 << 25,        /* R_EDGE reserved for Freestyle */
  R_PERSISTENT_DATA = 1 << 26, /* Keep data around for re-render. */
  R_MODE_UNUSED_27 = 1 << 27,  /* cleared */
};
 
enum {
  R_SEQ_UNUSED_0 = (1 << 0), /* cleared */
  R_SEQ_UNUSED_1 = (1 << 1), /* cleared */
  R_SEQ_UNUSED_2 = (1 << 2), /* cleared */
  R_SEQ_UNUSED_3 = (1 << 3), /* cleared */
  R_SEQ_UNUSED_4 = (1 << 4), /* cleared */
  R_SEQ_OVERRIDE_SCENE_SETTINGS = (1 << 5),
};
 
enum {
  R_FILTER_BOX = 0,
  R_FILTER_TENT = 1,
  R_FILTER_QUAD = 2,
  R_FILTER_CUBIC = 3,
  R_FILTER_CATROM = 4,
  R_FILTER_GAUSS = 5,
  R_FILTER_MITCH = 6,
  R_FILTER_FAST_GAUSS = 7,
};
 
enum {
  R_DOSEQ = 1 << 0,
  R_BG_RENDER = 1 << 1,
  /* Passepartout is camera option now, keep this for backward compatibility. */
  R_PASSEPARTOUT = 1 << 2,
  R_BUTS_PREVIEW = 1 << 3,
  R_EXTENSION = 1 << 4,
  R_MATNODE_PREVIEW = 1 << 5,
  R_DOCOMP = 1 << 6,
  R_COMP_CROP = 1 << 7,
  R_SCEMODE_UNUSED_8 = 1 << 8, /* cleared */
  R_SINGLE_LAYER = 1 << 9,
  R_SCEMODE_UNUSED_10 = 1 << 10, /* cleared */
  R_SCEMODE_UNUSED_11 = 1 << 11, /* cleared */
  R_NO_IMAGE_LOAD = 1 << 12,
  R_SCEMODE_UNUSED_13 = 1 << 13, /* cleared */
  R_NO_FRAME_UPDATE = 1 << 14,
  R_SCEMODE_UNUSED_15 = 1 << 15, /* cleared */
  R_SCEMODE_UNUSED_16 = 1 << 16, /* cleared */
  R_SCEMODE_UNUSED_17 = 1 << 17, /* cleared */
  R_TEXNODE_PREVIEW = 1 << 18,
  R_SCEMODE_UNUSED_19 = 1 << 19, /* cleared */
  R_EXR_CACHE_FILE = 1 << 20,
  R_MULTIVIEW = 1 << 21,
};
 
enum {
  R_STAMP_TIME = 1 << 0,
  R_STAMP_FRAME = 1 << 1,
  R_STAMP_DATE = 1 << 2,
  R_STAMP_CAMERA = 1 << 3,
  R_STAMP_SCENE = 1 << 4,
  R_STAMP_NOTE = 1 << 5,
  R_STAMP_DRAW = 1 << 6,
  R_STAMP_MARKER = 1 << 7,
  R_STAMP_FILENAME = 1 << 8,
  R_STAMP_SEQSTRIP = 1 << 9,
  R_STAMP_RENDERTIME = 1 << 10,
  R_STAMP_CAMERALENS = 1 << 11,
  R_STAMP_STRIPMETA = 1 << 12,
  R_STAMP_MEMORY = 1 << 13,
  R_STAMP_HIDE_LABELS = 1 << 14,
  R_STAMP_FRAME_RANGE = 1 << 15,
  R_STAMP_HOSTNAME = 1 << 16,
};
 
#define R_STAMP_ALL \
  (R_STAMP_TIME | R_STAMP_FRAME | R_STAMP_DATE | R_STAMP_CAMERA | R_STAMP_SCENE | R_STAMP_NOTE | \
   R_STAMP_MARKER | R_STAMP_FILENAME | R_STAMP_SEQSTRIP | R_STAMP_RENDERTIME | \
   R_STAMP_CAMERALENS | R_STAMP_MEMORY | R_STAMP_HIDE_LABELS | R_STAMP_FRAME_RANGE | \
   R_STAMP_HOSTNAME)
 
enum {
  R_ADDSKY = 0,
  R_ALPHAPREMUL = 1,
};
 
enum {
  R_COLOR_MANAGEMENT = (1 << 0),
  R_COLOR_MANAGEMENT_UNUSED_1 = (1 << 1),
};
 
/* bake_mode: same as RE_BAKE_xxx defines. */
enum {
  R_BAKE_CLEAR = 1 << 0,
  // R_BAKE_OSA = 1 << 1, /* Deprecated. */
  R_BAKE_TO_ACTIVE = 1 << 2,
  // R_BAKE_NORMALIZE = 1 << 3, /* Deprecated. */
  R_BAKE_MULTIRES = 1 << 4,
  R_BAKE_LORES_MESH = 1 << 5,
  // R_BAKE_VCOL = 1 << 6, /* Deprecated. */
  R_BAKE_USERSCALE = 1 << 7,
  R_BAKE_CAGE = 1 << 8,
  R_BAKE_SPLIT_MAT = 1 << 9,
  R_BAKE_AUTO_NAME = 1 << 10,
};
 
enum {
  R_BAKE_SPACE_CAMERA = 0,
  R_BAKE_SPACE_WORLD = 1,
  R_BAKE_SPACE_OBJECT = 2,
  R_BAKE_SPACE_TANGENT = 3,
};
 
enum {
  R_LINE_THICKNESS_ABSOLUTE = 1,
  R_LINE_THICKNESS_RELATIVE = 2,
};
 
/* Sequencer seq_prev_type seq_rend_type. */
 
extern const char *RE_engine_id_BLENDER_EEVEE;
extern const char *RE_engine_id_BLENDER_EEVEE_NEXT;
extern const char *RE_engine_id_BLENDER_WORKBENCH;
extern const char *RE_engine_id_CYCLES;
 
/* -------------------------------------------------------------------- */
/* Note that much higher max-frames give imprecise sub-frames, see: #46859. */
/* Current precision is 16 for the sub-frames closer to MAXFRAME. */
 
/* For general use. */
#define MAXFRAME 1048574
#define MAXFRAMEF 1048574.0f
 
#define MINFRAME 0
#define MINFRAMEF 0.0f
 
#define MINAFRAME -1048574
#define MINAFRAMEF -1048574.0f
 
/* -------------------------------------------------------------------- */
#define BASE_VISIBLE(v3d, base) BKE_base_is_visible(v3d, base)
#define BASE_SELECTABLE(v3d, base) \
  (BASE_VISIBLE(v3d, base) && \
   ((v3d == NULL) || (((1 << (base)->object->type) & (v3d)->object_type_exclude_select) == 0)) && \
   (((base)->flag & BASE_SELECTABLE) != 0))
#define BASE_SELECTED(v3d, base) (BASE_VISIBLE(v3d, base) && (((base)->flag & BASE_SELECTED) != 0))
#define BASE_EDITABLE(v3d, base) \
  (BASE_VISIBLE(v3d, base) && ID_IS_EDITABLE((base)->object) && \
   (!ID_IS_OVERRIDE_LIBRARY_REAL((base)->object) || \
    ((base)->object->id.override_library->flag & LIBOVERRIDE_FLAG_SYSTEM_DEFINED) == 0))
#define BASE_SELECTED_EDITABLE(v3d, base) \
  (BASE_EDITABLE(v3d, base) && (((base)->flag & BASE_SELECTED) != 0))
 
/* deprecate this! */
#define OBEDIT_FROM_OBACT(ob) ((ob) ? (((ob)->mode & OB_MODE_EDIT) ? ob : NULL) : NULL)
#define OBPOSE_FROM_OBACT(ob) ((ob) ? (((ob)->mode & OB_MODE_POSE) ? ob : NULL) : NULL)
#define OBWEIGHTPAINT_FROM_OBACT(ob) \
  ((ob) ? (((ob)->mode & OB_MODE_WEIGHT_PAINT) ? ob : NULL) : NULL)
 
#define V3D_CAMERA_LOCAL(v3d) ((!(v3d)->scenelock && (v3d)->camera) ? (v3d)->camera : NULL)
#define V3D_CAMERA_SCENE(scene, v3d) \
  ((!(v3d)->scenelock && (v3d)->camera) ? (v3d)->camera : (scene)->camera)
 
#define PRVRANGEON (scene->r.flag & SCER_PRV_RANGE)
#define PSFRA ((PRVRANGEON) ? (scene->r.psfra) : (scene->r.sfra))
#define PEFRA ((PRVRANGEON) ? (scene->r.pefra) : (scene->r.efra))
#define FRA2TIME(a) ((((double)scene->r.frs_sec_base) * (double)(a)) / (double)scene->r.frs_sec)
#define TIME2FRA(a) ((((double)scene->r.frs_sec) * (double)(a)) / (double)scene->r.frs_sec_base)
#define FPS (((double)scene->r.frs_sec) / (double)scene->r.frs_sec_base)
 
/* -------------------------------------------------------------------- */
/* Base.flag is in `DNA_object_types.h`. */
 
enum {
  SCE_XFORM_AXIS_ALIGN = (1 << 0),
  SCE_XFORM_DATA_ORIGIN = (1 << 1),
  SCE_XFORM_SKIP_CHILDREN = (1 << 2),
};
 
enum {
  SCE_OBJECT_MODE_LOCK = (1 << 0),
};
 
enum {
  SCE_WORKSPACE_TOOL_FALLBACK = 0,
  SCE_WORKSPACE_TOOL_DEFAULT = 1,
};
 
typedef enum eSnapFlag {
  SCE_SNAP = (1 << 0),
  SCE_SNAP_ROTATE = (1 << 1),
  SCE_SNAP_PEEL_OBJECT = (1 << 2),
  // SCE_SNAP_PROJECT = (1 << 3), /* DEPRECATED, see #SCE_SNAP_INDIVIDUAL_PROJECT. */
  SCE_SNAP_NOT_TO_ACTIVE = (1 << 4),
  SCE_SNAP_ABS_GRID = (1 << 5),
  /* Same value with different name to make it easier to understand in time based code. */
  SCE_SNAP_ABS_TIME_STEP = (1 << 5),
  SCE_SNAP_BACKFACE_CULLING = (1 << 6),
  SCE_SNAP_KEEP_ON_SAME_OBJECT = (1 << 7),
  SCE_SNAP_TO_INCLUDE_EDITED = (1 << 8),
  SCE_SNAP_TO_INCLUDE_NONEDITED = (1 << 9),
  SCE_SNAP_TO_ONLY_SELECTABLE = (1 << 10),
} eSnapFlag;
 
ENUM_OPERATORS(eSnapFlag, SCE_SNAP_TO_ONLY_SELECTABLE)
 
 
typedef enum eSnapSourceOP {
  SCE_SNAP_SOURCE_CLOSEST = 0,
  SCE_SNAP_SOURCE_CENTER = 1,
  SCE_SNAP_SOURCE_MEDIAN = 2,
  SCE_SNAP_SOURCE_ACTIVE = 3,
} eSnapSourceOP;
 
ENUM_OPERATORS(eSnapSourceOP, SCE_SNAP_SOURCE_ACTIVE)
 
 
typedef enum eSnapTargetOP {
  SCE_SNAP_TARGET_ALL = 0,
  SCE_SNAP_TARGET_NOT_SELECTED = (1 << 0),
  SCE_SNAP_TARGET_NOT_ACTIVE = (1 << 1),
  SCE_SNAP_TARGET_NOT_EDITED = (1 << 2),
  SCE_SNAP_TARGET_ONLY_SELECTABLE = (1 << 3),
  SCE_SNAP_TARGET_NOT_NONEDITED = (1 << 4),
} eSnapTargetOP;
ENUM_OPERATORS(eSnapTargetOP, SCE_SNAP_TARGET_NOT_NONEDITED)
 
 
typedef enum eSnapMode {
  SCE_SNAP_TO_NONE = 0,
 
  SCE_SNAP_TO_NODE_X = (1 << 0),
  SCE_SNAP_TO_NODE_Y = (1 << 1),
 
  SCE_SNAP_TO_FRAME = (1 << 0),
  SCE_SNAP_TO_SECOND = (1 << 1),
  SCE_SNAP_TO_MARKERS = (1 << 2),
 
  SCE_SNAP_TO_POINT = (1 << 0),
  SCE_SNAP_TO_EDGE_MIDPOINT = (1 << 1),
  SCE_SNAP_TO_EDGE_ENDPOINT = (1 << 2),
  SCE_SNAP_TO_EDGE_PERPENDICULAR = (1 << 3),
  SCE_SNAP_TO_EDGE = (1 << 4),
  SCE_SNAP_TO_FACE = (1 << 5),
  SCE_SNAP_TO_VOLUME = (1 << 6),
  SCE_SNAP_TO_GRID = (1 << 7),
  SCE_SNAP_TO_INCREMENT = (1 << 8),
 
  SCE_SNAP_INDIVIDUAL_NEAREST = (1 << 9),
  SCE_SNAP_INDIVIDUAL_PROJECT = (1 << 10),
} eSnapMode;
 
/* Due to dependency conflicts with Cycles, header cannot directly include `BLI_utildefines.h`. */
/* TODO: move this macro to a more general place. */
#ifdef ENUM_OPERATORS
ENUM_OPERATORS(eSnapMode, SCE_SNAP_INDIVIDUAL_PROJECT)
#endif
 
#define SCE_SNAP_TO_VERTEX (SCE_SNAP_TO_POINT | SCE_SNAP_TO_EDGE_ENDPOINT)
 
#define SCE_SNAP_TO_GEOM \
  (SCE_SNAP_TO_VERTEX | SCE_SNAP_TO_EDGE | SCE_SNAP_TO_FACE | SCE_SNAP_TO_EDGE_MIDPOINT | \
   SCE_SNAP_TO_EDGE_PERPENDICULAR)
 
enum {
  SEQ_SNAP_TO_STRIPS = 1 << 0,
  SEQ_SNAP_TO_CURRENT_FRAME = 1 << 1,
  SEQ_SNAP_TO_STRIP_HOLD = 1 << 2,
  SEQ_SNAP_TO_MARKERS = 1 << 3,
 
  /* Preview snapping. */
  SEQ_SNAP_TO_PREVIEW_BORDERS = 1 << 4,
  SEQ_SNAP_TO_PREVIEW_CENTER = 1 << 5,
  SEQ_SNAP_TO_STRIPS_PREVIEW = 1 << 6,
};
 
enum {
  SEQ_SNAP_IGNORE_MUTED = 1 << 0,
  SEQ_SNAP_IGNORE_SOUND = 1 << 1,
  SEQ_SNAP_CURRENT_FRAME_TO_STRIPS = 1 << 2,
};
 
typedef enum eSnapTransformMode {
  SCE_SNAP_TRANSFORM_MODE_TRANSLATE = (1 << 0),
  SCE_SNAP_TRANSFORM_MODE_ROTATE = (1 << 1),
  SCE_SNAP_TRANSFORM_MODE_SCALE = (1 << 2),
} eSnapTransformMode;
 
enum {
  SCE_SELECT_VERTEX = 1 << 0, /* for mesh */
  SCE_SELECT_EDGE = 1 << 1,
  SCE_SELECT_FACE = 1 << 2,
};
 
enum {
  SCE_STATVIS_OVERHANG = 0,
  SCE_STATVIS_THICKNESS = 1,
  SCE_STATVIS_INTERSECT = 2,
  SCE_STATVIS_DISTORT = 3,
  SCE_STATVIS_SHARP = 4,
};
 
enum {
  SCE_SELECT_PATH = 1 << 0,
  SCE_SELECT_POINT = 1 << 1,
  SCE_SELECT_END = 1 << 2,
};
 
enum {
  PROP_SMOOTH = 0,
  PROP_SPHERE = 1,
  PROP_ROOT = 2,
  PROP_SHARP = 3,
  PROP_LIN = 4,
  PROP_CONST = 5,
  PROP_RANDOM = 6,
  PROP_INVSQUARE = 7,
  PROP_MODE_MAX = 8,
};
 
enum {
  PROP_EDIT_USE = (1 << 0),
  PROP_EDIT_CONNECTED = (1 << 1),
  PROP_EDIT_PROJECTED = (1 << 2),
};
 
enum {
  OB_DRAW_GROUPUSER_NONE = 0,
  OB_DRAW_GROUPUSER_ACTIVE = 1,
  OB_DRAW_GROUPUSER_ALL = 2,
};
 
/* object_vgroup.cc */
 
#define WT_VGROUP_MASK_ALL \
  ((1 << WT_VGROUP_ACTIVE) | (1 << WT_VGROUP_BONE_SELECT) | (1 << WT_VGROUP_BONE_DEFORM) | \
   (1 << WT_VGROUP_BONE_DEFORM_OFF) | (1 << WT_VGROUP_ALL))
 
enum {
  SCE_DS_SELECTED = 1 << 0,
  SCE_DS_COLLAPSED = 1 << 1,
  SCE_NLA_EDIT_ON = 1 << 2,
  SCE_FRAME_DROP = 1 << 3,
  SCE_KEYS_NO_SELONLY = 1 << 4,
  SCE_READFILE_LIBLINK_NEED_SETSCENE_CHECK = 1 << 5,
  SCE_CUSTOM_SIMULATION_RANGE = 1 << 6,
};
 
/* Return flag BKE_scene_base_iter_next functions. */
enum {
  // F_ERROR = -1, /* UNUSED. */
  F_START = 0,
  F_SCENE = 1,
  F_DUPLI = 3,
};
 
enum {
  AUDIO_MUTE = 1 << 0,
  AUDIO_SYNC = 1 << 1,
  AUDIO_SCRUB = 1 << 2,
  AUDIO_VOLUME_ANIMATED = 1 << 3,
};
 
enum {
#ifdef DNA_DEPRECATED_ALLOW
  /* DEPRECATED: you can choose none as audio-codec now. */
  FFMPEG_MULTIPLEX_AUDIO = (1 << 0),
#endif
  FFMPEG_AUTOSPLIT_OUTPUT = (1 << 1),
  FFMPEG_LOSSLESS_OUTPUT = (1 << 2),
  FFMPEG_USE_MAX_B_FRAMES = (1 << 3),
};
 
typedef enum ePaintFlags {
  PAINT_SHOW_BRUSH = (1 << 0),
  PAINT_FAST_NAVIGATE = (1 << 1),
  PAINT_SHOW_BRUSH_ON_SURFACE = (1 << 2),
  PAINT_USE_CAVITY_MASK = (1 << 3),
  PAINT_SCULPT_DELAY_UPDATES = (1 << 4),
} ePaintFlags;
 
typedef enum eSculptFlags {
  SCULPT_FLAG_UNUSED_0 = (1 << 0), /* cleared */
  SCULPT_FLAG_UNUSED_1 = (1 << 1), /* cleared */
  SCULPT_FLAG_UNUSED_2 = (1 << 2), /* cleared */
 
  SCULPT_LOCK_X = (1 << 3),
  SCULPT_LOCK_Y = (1 << 4),
  SCULPT_LOCK_Z = (1 << 5),
 
  SCULPT_FLAG_UNUSED_6 = (1 << 6), /* cleared */
 
  SCULPT_FLAG_UNUSED_7 = (1 << 7), /* cleared */
  SCULPT_ONLY_DEFORM = (1 << 8),
  // SCULPT_SHOW_DIFFUSE = (1 << 9), /* deprecated */
 
  SCULPT_FLAG_UNUSED_8 = (1 << 10), /* deprecated */
 
  SCULPT_DYNTOPO_SUBDIVIDE = (1 << 12),
  SCULPT_DYNTOPO_COLLAPSE = (1 << 11),
 
  SCULPT_DYNTOPO_DETAIL_CONSTANT = (1 << 13),
  SCULPT_DYNTOPO_DETAIL_BRUSH = (1 << 14),
  /* unused = (1 << 15), */
  SCULPT_DYNTOPO_DETAIL_MANUAL = (1 << 16),
} eSculptFlags;
 
typedef enum eSculptTransformMode {
  SCULPT_TRANSFORM_MODE_ALL_VERTICES = 0,
  SCULPT_TRANSFORM_MODE_RADIUS_ELASTIC = 1,
} eSculptTrasnformMode;
 
typedef enum ePaintCanvasSource {
  PAINT_CANVAS_SOURCE_MATERIAL = 0,
  PAINT_CANVAS_SOURCE_IMAGE = 1,
  PAINT_CANVAS_SOURCE_COLOR_ATTRIBUTE = 2,
} ePaintCanvasSource;
 
/* Defines to let old texture painting use the new enum. */
/* TODO(jbakker): rename usages. */
#define IMAGEPAINT_MODE_MATERIAL PAINT_CANVAS_SOURCE_MATERIAL
#define IMAGEPAINT_MODE_IMAGE PAINT_CANVAS_SOURCE_IMAGE
 
enum {
  IMAGEPAINT_INTERP_LINEAR = 0,
  IMAGEPAINT_INTERP_CLOSEST = 1,
};
 
enum {
  IMAGEPAINT_DRAWING = 1 << 0,
  // IMAGEPAINT_DRAW_TOOL = 1 << 1,         /* Deprecated. */
  // IMAGEPAINT_DRAW_TOOL_DRAWING = 1 << 2, /* Deprecated. */
};
 
/* Projection painting only. */
enum {
  IMAGEPAINT_PROJECT_XRAY = 1 << 4,
  IMAGEPAINT_PROJECT_BACKFACE = 1 << 5,
  IMAGEPAINT_PROJECT_FLAT = 1 << 6,
  IMAGEPAINT_PROJECT_LAYER_CLONE = 1 << 7,
  IMAGEPAINT_PROJECT_LAYER_STENCIL = 1 << 8,
  IMAGEPAINT_PROJECT_LAYER_STENCIL_INV = 1 << 9,
};
 
enum {
  IMAGEPAINT_MISSING_UVS = 1 << 0,
  IMAGEPAINT_MISSING_MATERIAL = 1 << 1,
  IMAGEPAINT_MISSING_TEX = 1 << 2,
  IMAGEPAINT_MISSING_STENCIL = 1 << 3,
};
 
enum {
  UVCALC_UNWRAP_METHOD_ANGLE = 0,
  UVCALC_UNWRAP_METHOD_CONFORMAL = 1,
  UVCALC_UNWRAP_METHOD_MINIMUM_STRETCH = 2,
};
 
enum {
  UVCALC_FILLHOLES = 1 << 0,
  UVCALC_NO_ASPECT_CORRECT = 1 << 1,
  UVCALC_TRANSFORM_CORRECT_SLIDE = 1 << 2,
  UVCALC_USESUBSURF = 1 << 3,
  UVCALC_TRANSFORM_CORRECT = 1 << 4,
  UVCALC_TRANSFORM_CORRECT_KEEP_CONNECTED = 1 << 5,
  UVCALC_UNWRAP_NO_FLIP = 1 << 6,
  UVCALC_UNWRAP_USE_WEIGHTS = 1 << 7,
};
 
enum {
  UV_SYNC_SELECTION = 1,
  UV_SHOW_SAME_IMAGE = 2,
};
 
enum {
  UV_SELECT_VERTEX = 1 << 0,
  UV_SELECT_EDGE = 1 << 1,
  UV_SELECT_FACE = 1 << 2,
  UV_SELECT_ISLAND = 1 << 3,
};
 
enum {
  SI_STICKY_LOC = 0,
  SI_STICKY_DISABLE = 1,
  SI_STICKY_VERTEX = 2,
};
 
typedef enum eGPencil_Flags {
  GP_USE_MULTI_FRAME_EDITING = (1 << 0),
  GP_TOOL_FLAG_RETAIN_LAST = (1 << 1),
  GP_TOOL_FLAG_PAINT_ONBACK = (1 << 2),
  GP_TOOL_FLAG_THUMBNAIL_LIST = (1 << 3),
  GP_TOOL_FLAG_CREATE_WEIGHTS = (1 << 4),
  GP_TOOL_FLAG_AUTOMERGE_STROKE = (1 << 5),
} eGPencil_Flags;
 
typedef enum eGPencil_SimplifyFlags {
  SIMPLIFY_GPENCIL_ENABLE = (1 << 0),
  SIMPLIFY_GPENCIL_ON_PLAY = (1 << 1),
  SIMPLIFY_GPENCIL_FILL = (1 << 2),
  SIMPLIFY_GPENCIL_MODIFIER = (1 << 3),
  SIMPLIFY_GPENCIL_FX = (1 << 5),
  SIMPLIFY_GPENCIL_TINT = (1 << 7),
  SIMPLIFY_GPENCIL_AA = (1 << 8),
} eGPencil_SimplifyFlags;
 
typedef enum eGPencil_Placement_Flags {
  GP_PROJECT_VIEWSPACE = (1 << 0),
 
  // /** Viewport space, but relative to render canvas (Sequencer Preview Only) */
  // GP_PROJECT_CANVAS = (1 << 1), /* UNUSED */
 
  GP_PROJECT_DEPTH_VIEW = (1 << 2),
  GP_PROJECT_DEPTH_STROKE = (1 << 3),
 
  GP_PROJECT_DEPTH_STROKE_ENDPOINTS = (1 << 4),
  GP_PROJECT_CURSOR = (1 << 5),
  GP_PROJECT_DEPTH_STROKE_FIRST = (1 << 6),
 
  GP_PROJECT_DEPTH_ONLY_SELECTED = (1 << 7),
} eGPencil_Placement_Flags;
 
typedef enum eGPencil_Selectmode_types {
  GP_SELECTMODE_POINT = 0,
  GP_SELECTMODE_STROKE = 1,
  GP_SELECTMODE_SEGMENT = 2,
} eGPencil_Selectmode_types;
 
typedef enum eGPencil_GuideTypes {
  GP_GUIDE_CIRCULAR = 0,
  GP_GUIDE_RADIAL = 1,
  GP_GUIDE_PARALLEL = 2,
  GP_GUIDE_GRID = 3,
  GP_GUIDE_ISO = 4,
} eGPencil_GuideTypes;
 
typedef enum eGPencil_Guide_Reference {
  GP_GUIDE_REF_CURSOR = 0,
  GP_GUIDE_REF_CUSTOM = 1,
  GP_GUIDE_REF_OBJECT = 2,
} eGPencil_Guide_Reference;
 
enum {
  PE_KEEP_LENGTHS = 1 << 0,
  PE_LOCK_FIRST = 1 << 1,
  PE_DEFLECT_EMITTER = 1 << 2,
  PE_INTERPOLATE_ADDED = 1 << 3,
  PE_DRAW_PART = 1 << 4,
  PE_UNUSED_6 = 1 << 6, /* cleared */
  PE_FADE_TIME = 1 << 7,
  PE_AUTO_VELOCITY = 1 << 8,
};
 
enum {
  PE_BRUSH_NONE = -1,
  PE_BRUSH_COMB = 0,
  PE_BRUSH_CUT = 1,
  PE_BRUSH_LENGTH = 2,
  PE_BRUSH_PUFF = 3,
  PE_BRUSH_ADD = 4,
  PE_BRUSH_SMOOTH = 5,
  PE_BRUSH_WEIGHT = 6,
};
 
enum {
  PE_BRUSH_DATA_PUFF_VOLUME = 1 << 0,
};
 
enum {
  PE_TYPE_PARTICLES = 0,
  PE_TYPE_SOFTBODY = 1,
  PE_TYPE_CLOTH = 2,
};
 
enum {
  PHYS_GLOBAL_GRAVITY = 1,
};
 
/* UnitSettings */
 
#define USER_UNIT_ADAPTIVE 0xFF
enum {
  USER_UNIT_NONE = 0,
  USER_UNIT_METRIC = 1,
  USER_UNIT_IMPERIAL = 2,
};
enum {
  USER_UNIT_OPT_SPLIT = 1,
  USER_UNIT_ROT_RADIANS = 2,
};
 
enum {
  // SCE_EEVEE_VOLUMETRIC_ENABLED = (1 << 0), /* Unused */
  // SCE_EEVEE_VOLUMETRIC_LIGHTS = (1 << 1), /* Unused. */
  SCE_EEVEE_VOLUMETRIC_SHADOWS = (1 << 2),
  //  SCE_EEVEE_VOLUMETRIC_COLORED    = (1 << 3), /* Unused */
  SCE_EEVEE_GTAO_ENABLED = (1 << 4),
  // SCE_EEVEE_GTAO_BENT_NORMALS = (1 << 5), /* Unused. */
  // SCE_EEVEE_GTAO_BOUNCE = (1 << 6), /* Unused. */
  // SCE_EEVEE_DOF_ENABLED = (1 << 7), /* Moved to camera->dof.flag */
  // SCE_EEVEE_BLOOM_ENABLED = (1 << 8), /* Unused */
  SCE_EEVEE_MOTION_BLUR_ENABLED_DEPRECATED = (1 << 9), /* Moved to scene->r.mode */
  // SCE_EEVEE_SHADOW_HIGH_BITDEPTH = (1 << 10), /* Unused. */
  SCE_EEVEE_TAA_REPROJECTION = (1 << 11),
  // SCE_EEVEE_SSS_ENABLED = (1 << 12), /* Unused */
  // SCE_EEVEE_SSS_SEPARATE_ALBEDO = (1 << 13), /* Unused */
  SCE_EEVEE_SSR_ENABLED = (1 << 14),
  // SCE_EEVEE_SSR_REFRACTION = (1 << 15), /* Unused. */
  // SCE_EEVEE_SSR_HALF_RESOLUTION = (1 << 16), /* Unused. */
  // SCE_EEVEE_SHOW_IRRADIANCE = (1 << 17), /* Unused. */
  // SCE_EEVEE_SHOW_CUBEMAPS = (1 << 18), /* Unused. */
  SCE_EEVEE_GI_AUTOBAKE = (1 << 19),
  // SCE_EEVEE_SHADOW_SOFT = (1 << 20), /* Unused. */
  SCE_EEVEE_OVERSCAN = (1 << 21),
  // SCE_EEVEE_DOF_HQ_SLIGHT_FOCUS = (1 << 22), /* Unused. */
  SCE_EEVEE_DOF_JITTER = (1 << 23),
  SCE_EEVEE_SHADOW_ENABLED = (1 << 24),
  SCE_EEVEE_RAYTRACE_OPTIONS_SPLIT = (1 << 25),
  SCE_EEVEE_SHADOW_JITTERED_VIEWPORT = (1 << 26),
  SCE_EEVEE_VOLUME_CUSTOM_RANGE = (1 << 27),
  SCE_EEVEE_FAST_GI_ENABLED = (1 << 28),
};
 
typedef enum RaytraceEEVEE_Flag {
  RAYTRACE_EEVEE_USE_DENOISE = (1 << 0),
} RaytraceEEVEE_Flag;
 
typedef enum RaytraceEEVEE_DenoiseStages {
  RAYTRACE_EEVEE_DENOISE_SPATIAL = (1 << 0),
  RAYTRACE_EEVEE_DENOISE_TEMPORAL = (1 << 1),
  RAYTRACE_EEVEE_DENOISE_BILATERAL = (1 << 2),
} RaytraceEEVEE_DenoiseStages;
 
typedef enum RaytraceEEVEE_Method {
  /* NOTE: Each method contains the previous one. */
  RAYTRACE_EEVEE_METHOD_PROBE = 0,
  RAYTRACE_EEVEE_METHOD_SCREEN = 1,
  /* TODO(fclem): Hardware ray-tracing. */
  // RAYTRACE_EEVEE_METHOD_HARDWARE = 2,
} RaytraceEEVEE_Method;
 
typedef enum FastGI_Method {
  FAST_GI_FULL = 0,
  FAST_GI_AO_ONLY = 1,
} FastGI_Method;
 
enum {
  SCE_DISPLAY_AA_OFF = 0,
  SCE_DISPLAY_AA_FXAA = 1,
  SCE_DISPLAY_AA_SAMPLES_5 = 5,
  SCE_DISPLAY_AA_SAMPLES_8 = 8,
  SCE_DISPLAY_AA_SAMPLES_11 = 11,
  SCE_DISPLAY_AA_SAMPLES_16 = 16,
  SCE_DISPLAY_AA_SAMPLES_32 = 32,
};
 
enum {
  SCE_HYDRA_EXPORT_HYDRA = 0,
  SCE_HYDRA_EXPORT_USD = 1,
};