diff options
Diffstat (limited to 'source/blender/blenkernel/intern/modifiers_bmesh.c')
-rw-r--r-- | source/blender/blenkernel/intern/modifiers_bmesh.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/source/blender/blenkernel/intern/modifiers_bmesh.c b/source/blender/blenkernel/intern/modifiers_bmesh.c index 381e4350391..7df7561a1a1 100644 --- a/source/blender/blenkernel/intern/modifiers_bmesh.c +++ b/source/blender/blenkernel/intern/modifiers_bmesh.c @@ -40,7 +40,11 @@ #include "BKE_bmesh.h" #include "BKE_tessmesh.h" -/* main function for copying DerivedMesh data into BMesh */ +/** + * The main function for copying DerivedMesh data into BMesh. + * + * \note The mesh may already have geometry. see 'is_init' + */ void DM_to_bmesh_ex(DerivedMesh *dm, BMesh *bm) { MVert *mv, *mvert; @@ -56,6 +60,14 @@ void DM_to_bmesh_ex(DerivedMesh *dm, BMesh *bm) BLI_array_declare(edges); int i, j, k, totvert, totedge /* , totface */ /* UNUSED */ ; int is_init = (bm->totvert == 0) && (bm->totedge == 0) && (bm->totface == 0); + char has_orig_hflag = 0; + + if (is_init == FALSE) { + /* check if we have an origflag */ + has_orig_hflag |= CustomData_has_layer(&bm->vdata, CD_ORIGINDEX) ? BM_VERT : 0; + has_orig_hflag |= CustomData_has_layer(&bm->edata, CD_ORIGINDEX) ? BM_EDGE : 0; + has_orig_hflag |= CustomData_has_layer(&bm->pdata, CD_ORIGINDEX) ? BM_FACE : 0; + } /*merge custom data layout*/ CustomData_bmesh_merge(&dm->vertData, &bm->vdata, CD_MASK_DERIVEDMESH, CD_CALLOC, bm, BM_VERT); @@ -85,10 +97,15 @@ void DM_to_bmesh_ex(DerivedMesh *dm, BMesh *bm) BM_elem_index_set(v, i); /* set_inline */ CustomData_to_bmesh_block(&dm->vertData, &bm->vdata, i, &v->head.data); + vtable[i] = v; /* add bevel weight */ BM_elem_float_data_set(&bm->vdata, v, CD_BWEIGHT, (float)mv->bweight / 255.0f); - vtable[i] = v; + + if (UNLIKELY(has_orig_hflag & BM_VERT)) { + int *orig_index = CustomData_bmesh_get(&bm->vdata, v->head.data, CD_ORIGINDEX); + *orig_index = ORIGINDEX_NONE; + } } MEM_freeN(mvert); if (is_init) bm->elem_index_dirty &= ~BM_VERT; @@ -109,6 +126,11 @@ void DM_to_bmesh_ex(DerivedMesh *dm, BMesh *bm) BM_elem_float_data_set(&bm->edata, e, CD_CREASE, (float)me->crease / 255.0f); /* add bevel weight */ BM_elem_float_data_set(&bm->edata, e, CD_BWEIGHT, (float)me->bweight / 255.0f); + + if (UNLIKELY(has_orig_hflag & BM_EDGE)) { + int *orig_index = CustomData_bmesh_get(&bm->edata, e->head.data, CD_ORIGINDEX); + *orig_index = ORIGINDEX_NONE; + } } MEM_freeN(medge); if (is_init) bm->elem_index_dirty &= ~BM_EDGE; @@ -158,6 +180,11 @@ void DM_to_bmesh_ex(DerivedMesh *dm, BMesh *bm) else { BM_face_normal_update(f); } + + if (UNLIKELY(has_orig_hflag & BM_FACE)) { + int *orig_index = CustomData_bmesh_get(&bm->pdata, f->head.data, CD_ORIGINDEX); + *orig_index = ORIGINDEX_NONE; + } } if (is_init) bm->elem_index_dirty &= ~BM_FACE; |