diff options
Diffstat (limited to 'source')
| -rw-r--r-- | source/blender/blenkernel/BKE_paint.h | 6 | ||||
| -rw-r--r-- | source/blender/editors/sculpt_paint/sculpt.c | 4 |
2 files changed, 9 insertions, 1 deletions
diff --git a/source/blender/blenkernel/BKE_paint.h b/source/blender/blenkernel/BKE_paint.h index 228b52123f3..73413b61456 100644 --- a/source/blender/blenkernel/BKE_paint.h +++ b/source/blender/blenkernel/BKE_paint.h @@ -486,7 +486,11 @@ typedef struct SculptSession { /* Total number of polys of the base mesh. */ int totfaces; /* Face sets store its visibility in the sign of the integer, using the absolute value as the - * Face Set ID. Positive IDs are visible, negative IDs are hidden. */ + * Face Set ID. Positive IDs are visible, negative IDs are hidden. + * The 0 ID is not used by the tools or the visibility system, it is just used when creating new + * geometry (the trim tool, for example) to detect which geometry was just added, so it can be + * assigned a valid Face Set after creation. Tools are not intended to run with Face Sets IDs set + * to 0. */ int *face_sets; /* BMesh for dynamic topology sculpting */ diff --git a/source/blender/editors/sculpt_paint/sculpt.c b/source/blender/editors/sculpt_paint/sculpt.c index 7817257a98d..2e1dd928f96 100644 --- a/source/blender/editors/sculpt_paint/sculpt.c +++ b/source/blender/editors/sculpt_paint/sculpt.c @@ -780,6 +780,10 @@ static void sculpt_vertex_neighbors_get_faces(SculptSession *ss, iter->neighbors = iter->neighbors_fixed; for (int i = 0; i < ss->pmap[index].count; i++) { + if (ss->face_sets[vert_map->indices[i]] < 0) { + /* Skip connectivity from hidden faces. */ + continue; + } const MPoly *p = &ss->mpoly[vert_map->indices[i]]; uint f_adj_v[2]; if (poly_get_adj_loops_from_vert(p, ss->mloop, index, f_adj_v) != -1) { |