Refactor: move Collection .blend I/O to IDTypeInfo callbacks

This one was a bit more tricky, because the file loading is
mixed with versioning code and because collections are
embedded into scenes.

All tests that passed before, still pass.

1 files changed, 22 insertions, 0 deletions

diff --git a/source/blender/blenkernel/BKE_collection.h b/source/blender/blenkernel/BKE_collection.h
index f4393742dff..06fcc038f69 100644
--- a/source/blender/blenkernel/BKE_collection.h
+++ b/source/blender/blenkernel/BKE_collection.h
@@ -40,6 +40,12 @@ struct Main;
 struct Object;
 struct Scene;
 struct ViewLayer;
+struct BlendWriter;
+struct BlendDataReader;
+struct BlendLibReader;
+struct BlendExpander;
+struct SceneCollection;
+struct Library;
 
 typedef struct CollectionParent {
   struct CollectionParent *next, *prev;
@@ -160,6 +166,22 @@ bool BKE_collection_has_collection(struct Collection *parent, struct Collection
 void BKE_collection_parent_relations_rebuild(struct Collection *collection);
 void BKE_main_collections_parent_relations_rebuild(struct Main *bmain);
 
+/* .blend file I/O */
+
+void BKE_collection_blend_write_nolib(struct BlendWriter *writer, struct Collection *collection);
+void BKE_collection_blend_read_data(struct BlendDataReader *reader, struct Collection *collection);
+void BKE_collection_blend_read_lib(struct BlendLibReader *reader, struct Collection *collection);
+void BKE_collection_blend_read_expand(struct BlendExpander *expander,
+                                      struct Collection *collection);
+
+void BKE_collection_compat_blend_read_data(struct BlendDataReader *reader,
+                                           struct SceneCollection *sc);
+void BKE_collection_compat_blend_read_lib(struct BlendLibReader *reader,
+                                          struct Library *lib,
+                                          struct SceneCollection *sc);
+void BKE_collection_compat_blend_read_expand(struct BlendExpander *expander,
+                                             struct SceneCollection *sc);
+
 /* Iteration callbacks. */
 
 typedef void (*BKE_scene_objects_Cb)(struct Object *ob, void *data);