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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.
*/
#ifndef __BMESH_MESH_H__
#define __BMESH_MESH_H__
/** \file
* \ingroup bmesh
*/
#include "bmesh_class.h"
struct BMAllocTemplate;
struct BMLoopNorEditDataArray;
struct MLoopNorSpaceArray;
void BM_mesh_elem_toolflags_ensure(BMesh *bm);
void BM_mesh_elem_toolflags_clear(BMesh *bm);
struct BMeshCreateParams {
uint use_toolflags : 1;
};
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 BM_mesh_normals_update(BMesh *bm);
void BM_verts_calc_normal_vcos(BMesh *bm,
const float (*fnos)[3],
const float (*vcos)[3],
float (*vnos)[3]);
void BM_loops_calc_normal_vcos(BMesh *bm,
const float (*vcos)[3],
const float (*vnos)[3],
const float (*pnos)[3],
const bool use_split_normals,
const float split_angle,
float (*r_lnos)[3],
struct MLoopNorSpaceArray *r_lnors_spacearr,
short (*clnors_data)[2],
const int cd_loop_clnors_offset,
const bool do_rebuild);
bool BM_loop_check_cyclic_smooth_fan(BMLoop *l_curr);
void BM_lnorspacearr_store(BMesh *bm, float (*r_lnors)[3]);
void BM_lnorspace_invalidate(BMesh *bm, const bool do_invalidate_all);
void BM_lnorspace_rebuild(BMesh *bm, bool preserve_clnor);
void BM_lnorspace_update(BMesh *bm);
void BM_normals_loops_edges_tag(BMesh *bm, const bool do_edges);
#ifndef NDEBUG
void BM_lnorspace_err(BMesh *bm);
#endif
/* Loop Generics */
struct BMLoopNorEditDataArray *BM_loop_normal_editdata_array_init(BMesh *bm,
const bool do_all_loops_of_vert);
void BM_loop_normal_editdata_array_free(struct BMLoopNorEditDataArray *lnors_ed_arr);
int BM_total_loop_select(BMesh *bm);
void BM_edges_sharp_from_angle_set(BMesh *bm, const float split_angle);
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 hflag);
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);
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);
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 (*orco)[3]);
float (*BM_mesh_vert_coords_alloc(BMesh *bm, int *r_vert_len))[3];
void BM_mesh_vert_coords_apply(BMesh *bm, const float (*orco)[3]);
void BM_mesh_vert_coords_apply_with_mat4(BMesh *bm,
const float (*vert_coords)[3],
const float mat[4][4]);
#endif /* __BMESH_MESH_H__ */
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