diff options
| -rw-r--r-- | source/blender/blenkernel/intern/material.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/source/blender/blenkernel/intern/material.c b/source/blender/blenkernel/intern/material.c index d3b34639d8a..d82559a27cb 100644 --- a/source/blender/blenkernel/intern/material.c +++ b/source/blender/blenkernel/intern/material.c @@ -900,7 +900,17 @@ void BKE_object_materials_test(Main *bmain, Object *ob, ID *id) return; } - BKE_object_material_resize(bmain, ob, *totcol, false); + if ((ob->id.tag & LIB_TAG_MISSING) == 0 && (id->tag & LIB_TAG_MISSING) != 0) { + /* Exception: In case the object is a valid data, but its obdata is an empty place-holder, + * use object's material slots amount as reference. + * This avoids loosing materials in a local object when its linked obdata gets missing. + * See T92780. */ + BKE_id_material_resize(bmain, id, (short)ob->totcol, false); + } + else { + /* Normal case: the use the obdata amount of materials slots to update the object's one. */ + BKE_object_material_resize(bmain, ob, *totcol, false); + } } void BKE_objects_materials_test_all(Main *bmain, ID *id) |