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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
/** \file
* \ingroup DNA
*
* Used for custom mesh data types (stored per vert/edge/loop/face)
*/
#pragma once
#include "DNA_defs.h"
#ifdef __cplusplus
extern "C" {
#endif
struct AnonymousAttributeID;
/** Descriptor and storage for a custom data layer. */
typedef struct CustomDataLayer {
/** Type of data in layer. */
int type;
/** In editmode, offset of layer in block. */
int offset;
/** General purpose flag. */
int flag;
/** Number of the active layer of this type. */
int active;
/** Number of the layer to render. */
int active_rnd;
/** Number of the layer to render. */
int active_clone;
/** Number of the layer to render. */
int active_mask;
/** Shape keyblock unique id reference. */
int uid;
/** Layer name, MAX_CUSTOMDATA_LAYER_NAME. */
char name[64];
/** Layer data. */
void *data;
/**
* Run-time identifier for this layer. If no one has a strong reference to this id anymore,
* the layer can be removed. The custom data layer only has a weak reference to the id, because
* otherwise there will always be a strong reference and the attribute can't be removed
* automatically.
*/
const struct AnonymousAttributeID *anonymous_id;
} CustomDataLayer;
#define MAX_CUSTOMDATA_LAYER_NAME 64
typedef struct CustomDataExternal {
/** FILE_MAX. */
char filepath[1024];
} CustomDataExternal;
/**
* Structure which stores custom element data associated with mesh elements
* (vertices, edges or faces). The custom data is organized into a series of
* layers, each with a data type (e.g. MTFace, MDeformVert, etc.).
*/
typedef struct CustomData {
/** CustomDataLayers, ordered by type. */
CustomDataLayer *layers;
/**
* runtime only! - maps types to indices of first layer of that type,
* MUST be >= CD_NUMTYPES, but we can't use a define here.
* Correct size is ensured in CustomData_update_typemap assert().
*/
int typemap[52];
char _pad[4];
/** Number of layers, size of layers array. */
int totlayer, maxlayer;
/** In editmode, total size of all data layers. */
int totsize;
/** (BMesh Only): Memory pool for allocation of blocks. */
struct BLI_mempool *pool;
/** External file storing customdata layers. */
CustomDataExternal *external;
} CustomData;
/** #CustomData.type */
typedef enum eCustomDataType {
/* Used by GLSL attributes in the cases when we need a delayed CD type
* assignment (in the cases when we don't know in advance which layer
* we are addressing).
*/
CD_AUTO_FROM_NAME = -1,
CD_MVERT = 0,
#ifdef DNA_DEPRECATED_ALLOW
CD_MSTICKY = 1, /* DEPRECATED */
#endif
CD_MDEFORMVERT = 2,
CD_MEDGE = 3,
CD_MFACE = 4,
CD_MTFACE = 5,
CD_MCOL = 6,
CD_ORIGINDEX = 7,
/**
* Used for derived face corner normals on mesh `ldata`, since currently they are not computed
* lazily. Derived vertex and polygon normals are stored in #Mesh_Runtime.
*/
CD_NORMAL = 8,
CD_FACEMAP = 9, /* exclusive face group, each face can only be part of one */
CD_PROP_FLOAT = 10,
CD_PROP_INT32 = 11,
CD_PROP_STRING = 12,
CD_ORIGSPACE = 13, /* for modifier stack face location mapping */
CD_ORCO = 14, /* undeformed vertex coordinates, normalized to 0..1 range */
#ifdef DNA_DEPRECATED_ALLOW
CD_MTEXPOLY = 15, /* deprecated */
#endif
CD_MLOOPUV = 16,
CD_PROP_BYTE_COLOR = 17,
CD_TANGENT = 18,
CD_MDISPS = 19,
CD_PREVIEW_MCOL = 20, /* For displaying weight-paint colors. */
/* CD_ID_MCOL = 21, */
/* CD_TEXTURE_MLOOPCOL = 22, */ /* UNUSED */
CD_CLOTH_ORCO = 23,
/* CD_RECAST = 24, */ /* UNUSED */
CD_MPOLY = 25,
CD_MLOOP = 26,
CD_SHAPE_KEYINDEX = 27,
CD_SHAPEKEY = 28,
CD_BWEIGHT = 29,
/** Subdivision sharpness data per edge or per vertex. */
CD_CREASE = 30,
CD_ORIGSPACE_MLOOP = 31,
CD_PREVIEW_MLOOPCOL = 32,
CD_BM_ELEM_PYPTR = 33,
CD_PAINT_MASK = 34,
CD_GRID_PAINT_MASK = 35,
CD_MVERT_SKIN = 36,
CD_FREESTYLE_EDGE = 37,
CD_FREESTYLE_FACE = 38,
CD_MLOOPTANGENT = 39,
CD_TESSLOOPNORMAL = 40,
CD_CUSTOMLOOPNORMAL = 41,
CD_SCULPT_FACE_SETS = 42,
/* CD_LOCATION = 43, */ /* UNUSED */
/* CD_RADIUS = 44, */ /* UNUSED */
CD_PROP_INT8 = 45,
/* CD_HAIRMAPPING = 46, */ /* UNUSED, can be reused. */
CD_PROP_COLOR = 47,
CD_PROP_FLOAT3 = 48,
CD_PROP_FLOAT2 = 49,
CD_PROP_BOOL = 50,
CD_HAIRLENGTH = 51,
CD_NUMTYPES = 52,
} eCustomDataType;
/* Bits for eCustomDataMask */
#define CD_MASK_MVERT (1 << CD_MVERT)
// #define CD_MASK_MSTICKY (1 << CD_MSTICKY) /* DEPRECATED */
#define CD_MASK_MDEFORMVERT (1 << CD_MDEFORMVERT)
#define CD_MASK_MEDGE (1 << CD_MEDGE)
#define CD_MASK_MFACE (1 << CD_MFACE)
#define CD_MASK_MTFACE (1 << CD_MTFACE)
#define CD_MASK_MCOL (1 << CD_MCOL)
#define CD_MASK_ORIGINDEX (1 << CD_ORIGINDEX)
#define CD_MASK_NORMAL (1 << CD_NORMAL)
#define CD_MASK_FACEMAP (1 << CD_FACEMAP)
#define CD_MASK_PROP_FLOAT (1 << CD_PROP_FLOAT)
#define CD_MASK_PROP_INT32 (1 << CD_PROP_INT32)
#define CD_MASK_PROP_STRING (1 << CD_PROP_STRING)
#define CD_MASK_ORIGSPACE (1 << CD_ORIGSPACE)
#define CD_MASK_ORCO (1 << CD_ORCO)
// #define CD_MASK_MTEXPOLY (1 << CD_MTEXPOLY) /* DEPRECATED */
#define CD_MASK_MLOOPUV (1 << CD_MLOOPUV)
#define CD_MASK_PROP_BYTE_COLOR (1 << CD_PROP_BYTE_COLOR)
#define CD_MASK_TANGENT (1 << CD_TANGENT)
#define CD_MASK_MDISPS (1 << CD_MDISPS)
#define CD_MASK_PREVIEW_MCOL (1 << CD_PREVIEW_MCOL)
#define CD_MASK_CLOTH_ORCO (1 << CD_CLOTH_ORCO)
// #define CD_MASK_RECAST (1 << CD_RECAST) /* DEPRECATED */
#define CD_MASK_MPOLY (1 << CD_MPOLY)
#define CD_MASK_MLOOP (1 << CD_MLOOP)
#define CD_MASK_SHAPE_KEYINDEX (1 << CD_SHAPE_KEYINDEX)
#define CD_MASK_SHAPEKEY (1 << CD_SHAPEKEY)
#define CD_MASK_BWEIGHT (1 << CD_BWEIGHT)
#define CD_MASK_CREASE (1 << CD_CREASE)
#define CD_MASK_ORIGSPACE_MLOOP (1LL << CD_ORIGSPACE_MLOOP)
#define CD_MASK_PREVIEW_MLOOPCOL (1LL << CD_PREVIEW_MLOOPCOL)
#define CD_MASK_BM_ELEM_PYPTR (1LL << CD_BM_ELEM_PYPTR)
#define CD_MASK_PAINT_MASK (1LL << CD_PAINT_MASK)
#define CD_MASK_GRID_PAINT_MASK (1LL << CD_GRID_PAINT_MASK)
#define CD_MASK_MVERT_SKIN (1LL << CD_MVERT_SKIN)
#define CD_MASK_FREESTYLE_EDGE (1LL << CD_FREESTYLE_EDGE)
#define CD_MASK_FREESTYLE_FACE (1LL << CD_FREESTYLE_FACE)
#define CD_MASK_MLOOPTANGENT (1LL << CD_MLOOPTANGENT)
#define CD_MASK_TESSLOOPNORMAL (1LL << CD_TESSLOOPNORMAL)
#define CD_MASK_CUSTOMLOOPNORMAL (1LL << CD_CUSTOMLOOPNORMAL)
#define CD_MASK_PROP_COLOR (1ULL << CD_PROP_COLOR)
#define CD_MASK_PROP_FLOAT3 (1ULL << CD_PROP_FLOAT3)
#define CD_MASK_PROP_FLOAT2 (1ULL << CD_PROP_FLOAT2)
#define CD_MASK_PROP_BOOL (1ULL << CD_PROP_BOOL)
#define CD_MASK_PROP_INT8 (1ULL << CD_PROP_INT8)
#define CD_MASK_HAIRLENGTH (1ULL << CD_HAIRLENGTH)
/** Multi-resolution loop data. */
#define CD_MASK_MULTIRES_GRIDS (CD_MASK_MDISPS | CD_GRID_PAINT_MASK)
/* All data layers. */
#define CD_MASK_ALL (~0LL)
/* All generic attributes. */
#define CD_MASK_PROP_ALL \
(CD_MASK_PROP_FLOAT | CD_MASK_PROP_FLOAT2 | CD_MASK_PROP_FLOAT3 | CD_MASK_PROP_INT32 | \
CD_MASK_PROP_COLOR | CD_MASK_PROP_STRING | CD_MASK_PROP_BYTE_COLOR | CD_MASK_PROP_BOOL | \
CD_MASK_PROP_INT8)
/* All color attributes */
#define CD_MASK_COLOR_ALL (CD_MASK_PROP_COLOR | CD_MASK_PROP_BYTE_COLOR)
typedef struct CustomData_MeshMasks {
uint64_t vmask;
uint64_t emask;
uint64_t fmask;
uint64_t pmask;
uint64_t lmask;
} CustomData_MeshMasks;
/** #CustomData.flag */
enum {
/* Indicates layer should not be copied by CustomData_from_template or CustomData_copy_data */
CD_FLAG_NOCOPY = (1 << 0),
/* Indicates layer should not be freed (for layers backed by external data) */
CD_FLAG_NOFREE = (1 << 1),
/* Indicates the layer is only temporary, also implies no copy */
CD_FLAG_TEMPORARY = ((1 << 2) | CD_FLAG_NOCOPY),
/* Indicates the layer is stored in an external file */
CD_FLAG_EXTERNAL = (1 << 3),
/* Indicates external data is read into memory */
CD_FLAG_IN_MEMORY = (1 << 4),
CD_FLAG_COLOR_ACTIVE = (1 << 5),
CD_FLAG_COLOR_RENDER = (1 << 6)
};
/* Limits */
#define MAX_MTFACE 8
#define DYNTOPO_NODE_NONE -1
#ifdef __cplusplus
}
#endif
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