diff options
| -rw-r--r-- | source/blender/blenkernel/intern/collection.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/collection.c b/source/blender/blenkernel/intern/collection.c index f8934184928..ea8dbc64c9f 100644 --- a/source/blender/blenkernel/intern/collection.c +++ b/source/blender/blenkernel/intern/collection.c @@ -175,6 +175,8 @@ static void layer_collection_remove(ViewLayer *view_layer, ListBase *lb, const S /** * Remove a collection from the scene, and syncronize all render layers + * + * If an object is in any other collection, link the object to the master collection. */ bool BKE_collection_remove(ID *owner_id, SceneCollection *sc) { @@ -190,6 +192,36 @@ bool BKE_collection_remove(ID *owner_id, SceneCollection *sc) BLI_assert(false); } + /* If an object is no longer in any collection, we add it to the master collection. */ + ListBase collection_objects; + BLI_duplicatelist(&collection_objects, &sc->objects); + + FOREACH_SCENE_COLLECTION(owner_id, scene_collection_iter) + { + if (scene_collection_iter == sc) { + continue; + } + + LinkData *link_next, *link = collection_objects.first; + while (link) { + link_next = link->next; + + if (BLI_findptr(&scene_collection_iter->objects, link->data, offsetof(LinkData, data))) { + BLI_remlink(&collection_objects, link); + MEM_freeN(link); + } + + link = link_next; + } + } + FOREACH_SCENE_COLLECTION_END + + for (LinkData *link = collection_objects.first; link; link = link->next) { + BKE_collection_object_add(owner_id, sc_master, link->data); + } + + BLI_freelistN(&collection_objects); + /* Clear the collection items. */ collection_free(sc, true); |