diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_paint.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_paint.h | 6 |
1 files changed, 5 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 */ |