diff options
Diffstat (limited to 'source/blender/bmesh/intern/bmesh_mesh_convert.c')
| -rw-r--r-- | source/blender/bmesh/intern/bmesh_mesh_convert.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/source/blender/bmesh/intern/bmesh_mesh_convert.c b/source/blender/bmesh/intern/bmesh_mesh_convert.c index 8db125970fd..4671df90d53 100644 --- a/source/blender/bmesh/intern/bmesh_mesh_convert.c +++ b/source/blender/bmesh/intern/bmesh_mesh_convert.c @@ -90,6 +90,8 @@ #include "BKE_key.h" #include "BKE_main.h" +#include "DEG_depsgraph_query.h" + #include "bmesh.h" #include "intern/bmesh_private.h" /* For element checking. */ @@ -231,7 +233,13 @@ void BM_mesh_bm_from_me(BMesh *bm, const Mesh *me, const struct BMeshFromMeshPar /* -------------------------------------------------------------------- */ /* Shape Key */ - int tot_shape_keys = me->key ? BLI_listbase_count(&me->key->block) : 0; + int tot_shape_keys = 0; + if (me->key != NULL && DEG_is_original_id(&me->id)) { + /* Evaluated meshes can be topologically inconsistent with their shape keys. + * Shape keys are also already integrated into the state of the evaluated + * mesh, so considering them here would kind of apply them twice. */ + tot_shape_keys = BLI_listbase_count(&me->key->block); + } if (is_new == false) { tot_shape_keys = min_ii(tot_shape_keys, CustomData_number_of_layers(&bm->vdata, CD_SHAPEKEY)); } @@ -239,7 +247,7 @@ void BM_mesh_bm_from_me(BMesh *bm, const Mesh *me, const struct BMeshFromMeshPar BLI_array_alloca(shape_key_table, tot_shape_keys) : NULL; - if ((params->active_shapekey != 0) && (me->key != NULL)) { + if ((params->active_shapekey != 0) && tot_shape_keys > 0) { actkey = BLI_findlink(&me->key->block, params->active_shapekey - 1); } else { @@ -298,7 +306,8 @@ void BM_mesh_bm_from_me(BMesh *bm, const Mesh *me, const struct BMeshFromMeshPar const int cd_vert_bweight_offset = CustomData_get_offset(&bm->vdata, CD_BWEIGHT); const int cd_edge_bweight_offset = CustomData_get_offset(&bm->edata, CD_BWEIGHT); const int cd_edge_crease_offset = CustomData_get_offset(&bm->edata, CD_CREASE); - const int cd_shape_key_offset = me->key ? CustomData_get_offset(&bm->vdata, CD_SHAPEKEY) : -1; + const int cd_shape_key_offset = tot_shape_keys ? CustomData_get_offset(&bm->vdata, CD_SHAPEKEY) : + -1; const int cd_shape_keyindex_offset = is_new && (tot_shape_keys || params->add_key_index) ? CustomData_get_offset(&bm->vdata, CD_SHAPE_KEYINDEX) : -1; |