arbitrary property and function support for rna properties (arrays and collections), this means functions can be easily added.

eg.
 scene.objects.link()
 object.constraints.new()
 mesh.verts.transform(...)
 mesh.faces.active

PropertyRNA stores an StructRNA pointer where these can be defined.

1 files changed, 6 insertions, 4 deletions

diff --git a/source/blender/makesrna/intern/rna_internal_types.h b/source/blender/makesrna/intern/rna_internal_types.h
index 434e4ee6fe9..db2063b899c 100644
--- a/source/blender/makesrna/intern/rna_internal_types.h
+++ b/source/blender/makesrna/intern/rna_internal_types.h
@@ -154,6 +154,11 @@ struct PropertyRNA {
 	/* raw access */
 	int rawoffset;
 	RawPropertyType rawtype;
+
+	/* This is used for accessing props/functions of this property
+	 * any property can have this but should only be used for collections and arrays
+	 * since python will convert int/bool/pointer's */
+	struct StructRNA *srna;	/* attributes attached directly to this collection */
 };
 
 /* Property Types */
@@ -255,11 +260,8 @@ typedef struct CollectionPropertyRNA {
 	PropCollectionLengthFunc length;				/* optional */
 	PropCollectionLookupIntFunc lookupint;			/* optional */
 	PropCollectionLookupStringFunc lookupstring;	/* optional */
-	FunctionRNA *add, *remove;
-
-	PropertyRNA *active;
 
-	struct StructRNA *type;
+	struct StructRNA *item_type;			/* the type of this item */
 } CollectionPropertyRNA;