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BMesh: Add BM_face_kill_loose 

Removes edges/verts that become unused.
This commit is contained in:
Campbell Barton 2015-12-11 11:45:27 +11:00
parent 37c6a207ce
commit bb4bff3576
2 changed files with 62 additions and 0 deletions
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60
source/blender/bmesh/intern/bmesh_core.c
View File

@ -823,6 +823,66 @@ void BM_face_kill(BMesh *bm, BMFace *f)
bm_kill_only_face(bm, f);
}
/**
* A version of #BM_face_kill which removes edges and verts
* which have no remaining connected geometry.
*/
void BM_face_kill_loose(BMesh *bm, BMFace *f)
{
#ifdef USE_BMESH_HOLES
BMLoopList *ls, *ls_next;
#endif
BM_CHECK_ELEMENT(f);
#ifdef USE_BMESH_HOLES
for (ls = f->loops.first; ls; ls = ls_next)
#else
if (f->l_first)
#endif
{
BMLoop *l_iter, *l_next, *l_first;
#ifdef USE_BMESH_HOLES
ls_next = ls->next;
l_iter = l_first = ls->first;
#else
l_iter = l_first = f->l_first;
#endif
do {
BMEdge *e;
l_next = l_iter->next;
e = l_iter->e;
bmesh_radial_loop_remove(l_iter, e);
bm_kill_only_loop(bm, l_iter);
if (e->l == NULL) {
BMVert *v1 = e->v1, *v2 = e->v2;
bmesh_disk_edge_remove(e, e->v1);
bmesh_disk_edge_remove(e, e->v2);
bm_kill_only_edge(bm, e);
if (v1->e == NULL) {
bm_kill_only_vert(bm, v1);
}
if (v2->e == NULL) {
bm_kill_only_vert(bm, v2);
}
}
} while ((l_iter = l_next) != l_first);
#ifdef USE_BMESH_HOLES
BLI_mempool_free(bm->looplistpool, ls);
#endif
}
bm_kill_only_face(bm, f);
}
/**
* kills \a e and all faces that use it.
*/

2
source/blender/bmesh/intern/bmesh_core.h
View File

@ -58,6 +58,8 @@ BMFace *BM_face_create_verts(
void BM_face_edges_kill(BMesh *bm, BMFace *f);
void BM_face_verts_kill(BMesh *bm, BMFace *f);
void BM_face_kill_loose(BMesh *bm, BMFace *f);
void BM_face_kill(BMesh *bm, BMFace *f);
void BM_edge_kill(BMesh *bm, BMEdge *e);
void BM_vert_kill(BMesh *bm, BMVert *v);