/* converts a cddm to a BMEditMesh. if existing is non-NULL, the
* new geometry will be put in there.*/
BMEditMesh *DM_to_editbmesh(DerivedMesh *dm, BMEditMesh *existing, const bool do_tessellate)
{
BMEditMesh *em = existing;
BMesh *bm;
if (em) {
bm = em->bm;
}
else {
bm = BM_mesh_create(&bm_mesh_allocsize_default);
}
DM_to_bmesh_ex(dm, bm, do_tessellate);
if (!em) {
em = BKE_editmesh_create(bm, do_tessellate);
}
else {
if (do_tessellate) {
BKE_editmesh_tessface_calc(em);
}
}
return em;
}
BMesh *DM_to_bmesh(DerivedMesh *dm, const bool calc_face_normal)
{
BMesh *bm;
bm = BM_mesh_create(&bm_mesh_allocsize_default);
DM_to_bmesh_ex(dm, bm, calc_face_normal);
return bm;
}
BMesh *DM_to_bmesh(DerivedMesh *dm)
{
BMesh *bm;
bm = BM_mesh_create(&bm_mesh_allocsize_default);
DM_to_bmesh_ex(dm, bm);
return bm;
}
BMesh *DM_to_bmesh(DerivedMesh *dm, const bool calc_face_normal)
{
BMesh *bm;
const BMAllocTemplate allocsize = BMALLOC_TEMPLATE_FROM_DM(dm);
bm = BM_mesh_create(&allocsize);
DM_to_bmesh_ex(dm, bm, calc_face_normal);
return bm;
}
