bmesh_construct.hh

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once

 
#include "bmesh_class.hh"
#include "bmesh_core.hh"
 
struct BMAllocTemplate;
struct BMCustomDataCopyMap;
struct Mesh;

bool BM_verts_from_edges(BMVert **vert_arr, BMEdge **edge_arr, int len);

bool BM_edges_from_verts(BMEdge **edge_arr, BMVert **vert_arr, int len);
void BM_edges_from_verts_ensure(BMesh *bm, BMEdge **edge_arr, BMVert **vert_arr, int len);

void BM_verts_sort_radial_plane(BMVert **vert_arr, int len);

BMFace *BM_face_create_quad_tri(BMesh *bm,
                                BMVert *v1,
                                BMVert *v2,
                                BMVert *v3,
                                BMVert *v4,
                                const BMFace *f_example,
                                eBMCreateFlag create_flag);

void BM_face_copy_shared(BMesh *bm, BMFace *f, BMLoopFilterFunc filter_fn, void *user_data);

BMFace *BM_face_create_ngon(BMesh *bm,
                            BMVert *v1,
                            BMVert *v2,
                            BMEdge **edges,
                            int len,
                            const BMFace *f_example,
                            eBMCreateFlag create_flag);
BMFace *BM_face_create_ngon_verts(BMesh *bm,
                                  BMVert **vert_arr,
                                  int len,
                                  const BMFace *f_example,
                                  eBMCreateFlag create_flag,
                                  bool calc_winding,
                                  bool create_edges);

void BM_elem_attrs_copy(BMesh *bm,
                        const BMCustomDataCopyMap &cd_map,
                        const BMVert *src,
                        BMVert *dst);
void BM_elem_attrs_copy(BMesh *bm,
                        const BMCustomDataCopyMap &cd_map,
                        const BMEdge *src,
                        BMEdge *dst);
void BM_elem_attrs_copy(BMesh *bm,
                        const BMCustomDataCopyMap &cd_map,
                        const BMFace *src,
                        BMFace *dst);
void BM_elem_attrs_copy(BMesh *bm,
                        const BMCustomDataCopyMap &cd_map,
                        const BMLoop *src,
                        BMLoop *dst);

void BM_elem_attrs_copy(BMesh *bm, const BMVert *src, BMVert *dst);
void BM_elem_attrs_copy(BMesh *bm, const BMEdge *src, BMEdge *dst);
void BM_elem_attrs_copy(BMesh *bm, const BMFace *src, BMFace *dst);
void BM_elem_attrs_copy(BMesh *bm, const BMLoop *src, BMLoop *dst);
 
void BM_elem_select_copy(BMesh *bm_dst, void *ele_dst_v, const void *ele_src_v);

void BM_mesh_copy_init_customdata_from_mesh_array(BMesh *bm_dst,
                                                  const Mesh *me_src_array[],
                                                  int me_src_array_len,
                                                  const BMAllocTemplate *allocsize);
void BM_mesh_copy_init_customdata_from_mesh(BMesh *bm_dst,
                                            const Mesh *me_src,
                                            const BMAllocTemplate *allocsize);
void BM_mesh_copy_init_customdata(BMesh *bm_dst, BMesh *bm_src, const BMAllocTemplate *allocsize);
void BM_mesh_copy_init_customdata_all_layers(BMesh *bm_dst,
                                             BMesh *bm_src,
                                             char htype,
                                             const BMAllocTemplate *allocsize);
BMesh *BM_mesh_copy(BMesh *bm_old);