diff options
| -rw-r--r-- | source/blender/editors/sculpt_paint/sculpt.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/source/blender/editors/sculpt_paint/sculpt.c b/source/blender/editors/sculpt_paint/sculpt.c index b304a476dec..b8c6e97fcc1 100644 --- a/source/blender/editors/sculpt_paint/sculpt.c +++ b/source/blender/editors/sculpt_paint/sculpt.c @@ -7477,6 +7477,28 @@ static void sculpt_init_session(Depsgraph *depsgraph, Scene *scene, Object *ob) ob->sculpt = MEM_callocN(sizeof(SculptSession), "sculpt session"); ob->sculpt->mode_type = OB_MODE_SCULPT; BKE_sculpt_update_object_for_edit(depsgraph, ob, false, false); + + /* Here we can detect geometry that was just added to Sculpt Mode as it has the + * SCULPT_FACE_SET_NONE assigned, so we can create a new Face Set for it. */ + /* In sculpt mode all geometry that is assigned to SCULPT_FACE_SET_NONE is considered as not + * initialized, which is used is some operators that modify the mesh topology to preform certain + * actions in the new polys. After these operations are finished, all polys should have a valid + * face set ID assigned (different from SCULPT_FACE_SET_NONE) to manage their visibility + * correctly. */ + /* TODO(pablodp606): Based on this we can improve the UX in future tools for creating new + * objects, like moving the transform pivot position to the new area or masking existing + * geometry. */ + SculptSession *ss = ob->sculpt; + const int new_face_set = SCULPT_face_set_next_available_get(ss); + for (int i = 0; i < ss->totfaces; i++) { + if (ss->face_sets[i] == SCULPT_FACE_SET_NONE) { + ss->face_sets[i] = new_face_set; + } + } + + /* Update the Face Sets visibility with the vertex visibility changes that may have been done + * outside Sculpt Mode */ + SCULPT_visibility_sync_all_vertex_to_face_sets(ob->sculpt); } static int ed_object_sculptmode_flush_recalc_flag(Scene *scene, |