Py-Driver: add 'self' option

Drivers can use this to refer to the data which the driver is applied to,
useful for objects, bones, to avoid having to create a variable pointing to its self.

1 files changed, 19 insertions, 0 deletions

diff --git a/source/blender/makesrna/intern/rna_access.c b/source/blender/makesrna/intern/rna_access.c
index 5a93e18a7dd..047e5ea17ab 100644
--- a/source/blender/makesrna/intern/rna_access.c
+++ b/source/blender/makesrna/intern/rna_access.c
@@ -6966,3 +6966,22 @@ bool RNA_struct_equals(PointerRNA *a, PointerRNA *b, eRNAEqualsMode mode)
 	return equals;
 }
 
+
+bool RNA_path_resolved_create(
+        PointerRNA *ptr, struct PropertyRNA *prop,
+        const int prop_index,
+        PathResolvedRNA *r_anim_rna)
+{
+	int array_len = RNA_property_array_length(ptr, prop);
+
+	if ((array_len == 0) || (prop_index < array_len)) {
+		r_anim_rna->ptr = *ptr;
+		r_anim_rna->prop = prop;
+		r_anim_rna->prop_index = array_len ? prop_index : -1;
+
+		return true;
+	}
+	else {
+		return false;
+	}
+}