bmesh_mods.hh

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "bmesh_class.hh"


bool BM_vert_dissolve(BMesh *bm, BMVert *v);

bool BM_disk_dissolve(BMesh *bm, BMVert *v);

BMFace *BM_faces_join_pair(BMesh *bm, BMLoop *l_a, BMLoop *l_b, bool do_del, BMFace **r_double);


BMFace *BM_face_split(
    BMesh *bm, BMFace *f, BMLoop *l_a, BMLoop *l_b, BMLoop **r_l, BMEdge *example, bool no_double);

BMFace *BM_face_split_n(BMesh *bm,
                        BMFace *f,
                        BMLoop *l_a,
                        BMLoop *l_b,
                        float cos[][3],
                        int n,
                        BMLoop **r_l,
                        BMEdge *example);

BMEdge *BM_vert_collapse_faces(BMesh *bm,
                               BMEdge *e_kill,
                               BMVert *v_kill,
                               float fac,
                               bool do_del,
                               bool join_faces,
                               bool kill_degenerate_faces,
                               bool kill_duplicate_faces);
BMEdge *BM_vert_collapse_edge(BMesh *bm,
                              BMEdge *e_kill,
                              BMVert *v_kill,
                              bool do_del,
                              bool kill_degenerate_faces,
                              bool kill_duplicate_faces);

BMVert *BM_edge_collapse(
    BMesh *bm, BMEdge *e_kill, BMVert *v_kill, bool do_del, bool kill_degenerate_faces);

BMVert *BM_edge_split(BMesh *bm, BMEdge *e, BMVert *v, BMEdge **r_e, float fac);

BMVert *BM_edge_split_n(BMesh *bm, BMEdge *e, int numcuts, BMVert **r_varr);

void BM_edge_verts_swap(BMEdge *e);

void BM_edge_calc_rotate(BMEdge *e, bool ccw, BMLoop **r_l1, BMLoop **r_l2);
bool BM_edge_rotate_check(BMEdge *e);
bool BM_edge_rotate_check_degenerate(BMEdge *e, BMLoop *l1, BMLoop *l2);
bool BM_edge_rotate_check_beauty(BMEdge *e, BMLoop *l1, BMLoop *l2);
BMEdge *BM_edge_rotate(BMesh *bm, BMEdge *e, bool ccw, short check_flag);

enum {
  BM_EDGEROT_CHECK_EXISTS = (1 << 0),
  BM_EDGEROT_CHECK_SPLICE = (1 << 1),
  BM_EDGEROT_CHECK_DEGENERATE = (1 << 2),
  BM_EDGEROT_CHECK_BEAUTY = (1 << 3),
};

BMVert *BM_face_loop_separate(BMesh *bm, BMLoop *l_sep);
BMVert *BM_face_loop_separate_multi_isolated(BMesh *bm, BMLoop *l_sep);
BMVert *BM_face_loop_separate_multi(BMesh *bm, BMLoop **larr, int larr_len);