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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#pragma once
/** \file
* \ingroup bmesh
*/
#include "bmesh_class.h"
typedef enum {
MULTIRES_SPACE_TANGENT, // convert absolute to tangent
MULTIRES_SPACE_ABSOLUTE // convert tangent to absolute
} MultiResSpace;
struct BMAllocTemplate;
struct BMLoopNorEditDataArray;
struct BMPartialUpdate;
struct MLoopNorSpaceArray;
void BM_mesh_elem_toolflags_ensure(BMesh *bm);
void BM_mesh_elem_toolflags_clear(BMesh *bm);
struct BMeshCreateParams {
uint create_unique_ids : 1;
uint id_elem_mask : 4; // which element types to make unique ids for
uint id_map : 1; // maintain an id to element lookup table
uint use_toolflags : 1;
uint no_reuse_ids : 1; // do not reuse IDs; a GHash will be used internally instead of a lookup
// array
uint temporary_ids : 1;
};
// used to temporary save/restore element IDs
// when changing out customdata
int bm_save_id(BMesh *bm, BMElem *elem);
void bm_restore_id(BMesh *bm, BMElem *elem, int id);
BMesh *BM_mesh_create(const struct BMAllocTemplate *allocsize,
const struct BMeshCreateParams *params);
void BM_mesh_free(BMesh *bm);
void BM_mesh_data_free(BMesh *bm);
void BM_mesh_clear(BMesh *bm);
void bmesh_edit_begin(BMesh *bm, const BMOpTypeFlag type_flag);
void bmesh_edit_end(BMesh *bm, const BMOpTypeFlag type_flag);
void BM_mesh_elem_index_ensure_ex(BMesh *bm, const char htype, int elem_offset[4]);
void BM_mesh_elem_index_ensure(BMesh *bm, const char htype);
void BM_mesh_elem_index_validate(
BMesh *bm, const char *location, const char *func, const char *msg_a, const char *msg_b);
void BM_mesh_toolflags_set(BMesh *bm, bool use_toolflags);
#ifndef NDEBUG
bool BM_mesh_elem_table_check(BMesh *bm);
#endif
void BM_mesh_elem_table_ensure(BMesh *bm, const char htype);
void BM_mesh_elem_table_init(BMesh *bm, const char htype);
void BM_mesh_elem_table_free(BMesh *bm, const char htype);
BLI_INLINE BMVert *BM_vert_at_index(BMesh *bm, const int index)
{
BLI_assert((index >= 0) && (index < bm->totvert));
BLI_assert((bm->elem_table_dirty & BM_VERT) == 0);
return bm->vtable[index];
}
BLI_INLINE BMEdge *BM_edge_at_index(BMesh *bm, const int index)
{
BLI_assert((index >= 0) && (index < bm->totedge));
BLI_assert((bm->elem_table_dirty & BM_EDGE) == 0);
return bm->etable[index];
}
BLI_INLINE BMFace *BM_face_at_index(BMesh *bm, const int index)
{
BLI_assert((index >= 0) && (index < bm->totface));
BLI_assert((bm->elem_table_dirty & BM_FACE) == 0);
return bm->ftable[index];
}
BMVert *BM_vert_at_index_find(BMesh *bm, const int index);
BMEdge *BM_edge_at_index_find(BMesh *bm, const int index);
BMFace *BM_face_at_index_find(BMesh *bm, const int index);
BMLoop *BM_loop_at_index_find(BMesh *bm, const int index);
BMVert *BM_vert_at_index_find_or_table(BMesh *bm, const int index);
BMEdge *BM_edge_at_index_find_or_table(BMesh *bm, const int index);
BMFace *BM_face_at_index_find_or_table(BMesh *bm, const int index);
// XXX
int BM_mesh_elem_count(BMesh *bm, const char htype);
void BM_mesh_remap(BMesh *bm,
const uint *vert_idx,
const uint *edge_idx,
const uint *face_idx,
const uint *loop_idx);
void BM_mesh_rebuild(BMesh *bm,
const struct BMeshCreateParams *params,
struct BLI_mempool *vpool,
struct BLI_mempool *epool,
struct BLI_mempool *lpool,
struct BLI_mempool *fpool);
typedef struct BMAllocTemplate {
int totvert, totedge, totloop, totface;
} BMAllocTemplate;
extern const BMAllocTemplate bm_mesh_allocsize_default;
extern const BMAllocTemplate bm_mesh_chunksize_default;
#define BMALLOC_TEMPLATE_FROM_BM(bm) \
{ \
(CHECK_TYPE_INLINE(bm, BMesh *), (bm)->totvert), (bm)->totedge, (bm)->totloop, (bm)->totface \
}
#define _VA_BMALLOC_TEMPLATE_FROM_ME_1(me) \
{ \
(CHECK_TYPE_INLINE(me, Mesh *), (me)->totvert), (me)->totedge, (me)->totloop, (me)->totpoly, \
}
#define _VA_BMALLOC_TEMPLATE_FROM_ME_2(me_a, me_b) \
{ \
(CHECK_TYPE_INLINE(me_a, Mesh *), \
CHECK_TYPE_INLINE(me_b, Mesh *), \
(me_a)->totvert + (me_b)->totvert), \
(me_a)->totedge + (me_b)->totedge, (me_a)->totloop + (me_b)->totloop, \
(me_a)->totpoly + (me_b)->totpoly, \
}
#define BMALLOC_TEMPLATE_FROM_ME(...) \
VA_NARGS_CALL_OVERLOAD(_VA_BMALLOC_TEMPLATE_FROM_ME_, __VA_ARGS__)
/* Vertex coords access. */
void BM_mesh_vert_coords_get(BMesh *bm, float (*vert_coords)[3]);
float (*BM_mesh_vert_coords_alloc(BMesh *bm, int *r_vert_len))[3];
void BM_mesh_vert_coords_apply(BMesh *bm, const float (*vert_coords)[3]);
void BM_mesh_vert_coords_apply_with_mat4(BMesh *bm,
const float (*vert_coords)[3],
const float mat[4][4]);
#define BM_ELEM_FROM_ID(bm, id) \
((bm->idmap.flag & BM_NO_REUSE_IDS) ? \
BLI_ghash_lookup(bm->idmap.ghash, POINTER_FROM_UINT(id)) : \
bm->idmap.map[id])
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