diff options
Diffstat (limited to 'source/blender/blenkernel/intern/modifiers_bmesh.c')
| -rw-r--r-- | source/blender/blenkernel/intern/modifiers_bmesh.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/source/blender/blenkernel/intern/modifiers_bmesh.c b/source/blender/blenkernel/intern/modifiers_bmesh.c index dc3d4a89e62..98eac9b95af 100644 --- a/source/blender/blenkernel/intern/modifiers_bmesh.c +++ b/source/blender/blenkernel/intern/modifiers_bmesh.c @@ -55,6 +55,7 @@ void DM_to_bmesh_ex(DerivedMesh *dm, BMesh *bm) BLI_array_declare(verts); BLI_array_declare(edges); int i, j, k, totvert, totedge /* , totface */ /* UNUSED */ ; + int is_init = (bm->totvert == 0) && (bm->totedge == 0) && (bm->totface == 0); /*merge custom data layout*/ CustomData_bmesh_merge(&dm->vertData, &bm->vdata, CD_MASK_DERIVEDMESH, CD_CALLOC, bm, BM_VERT); @@ -81,6 +82,7 @@ void DM_to_bmesh_ex(DerivedMesh *dm, BMesh *bm) v = BM_vert_create(bm, mv->co, NULL); normal_short_to_float_v3(v->no, mv->no); v->head.hflag = BM_vert_flag_from_mflag(mv->flag); + BM_elem_index_set(v, i); /* set_inline */ CustomData_to_bmesh_block(&dm->vertData, &bm->vdata, i, &v->head.data); @@ -89,13 +91,16 @@ void DM_to_bmesh_ex(DerivedMesh *dm, BMesh *bm) vtable[i] = v; } MEM_freeN(mvert); + if (is_init) bm->elem_index_dirty &= ~BM_VERT; /*do edges*/ me = medge = dm->dupEdgeArray(dm); for (i = 0; i < totedge; i++, me++) { + //BLI_assert(BM_edge_exists(vtable[me->v1], vtable[me->v2]) == NULL); e = BM_edge_create(bm, vtable[me->v1], vtable[me->v2], NULL, FALSE); e->head.hflag = BM_edge_flag_from_mflag(me->flag); + BM_elem_index_set(e, i); /* set_inline */ CustomData_to_bmesh_block(&dm->edgeData, &bm->edata, i, &e->head.data); etable[i] = e; @@ -106,8 +111,10 @@ void DM_to_bmesh_ex(DerivedMesh *dm, BMesh *bm) BM_elem_float_data_set(&bm->edata, e, CD_BWEIGHT, (float)me->bweight / 255.0f); } MEM_freeN(medge); + if (is_init) bm->elem_index_dirty &= ~BM_EDGE; - /*do faces*/ + /* do faces */ + /* note: i_alt is aligned with bmesh faces which may not always align with mpolys */ mp = dm->getPolyArray(dm); mloop = dm->getLoopArray(dm); face_normals = CustomData_get_layer(&dm->polyData, CD_NORMAL); /* can be NULL */ @@ -134,6 +141,7 @@ void DM_to_bmesh_ex(DerivedMesh *dm, BMesh *bm) } f->head.hflag = BM_face_flag_from_mflag(mp->flag); + BM_elem_index_set(f, bm->totface - 1); /* set_inline */ f->mat_nr = mp->mat_nr; l = BM_iter_new(&liter, bm, BM_LOOPS_OF_FACE, f); @@ -151,6 +159,7 @@ void DM_to_bmesh_ex(DerivedMesh *dm, BMesh *bm) BM_face_normal_update(f); } } + if (is_init) bm->elem_index_dirty &= ~BM_FACE; MEM_freeN(vtable); MEM_freeN(etable); |