1 files changed, 85 insertions, 0 deletions
diff --git a/release/scripts/startup/bl_operators/object.py b/release/scripts/startup/bl_operators/object.py
index b89890a223c..6356da216b1 100644
--- a/release/scripts/startup/bl_operators/object.py
+++ b/release/scripts/startup/bl_operators/object.py
@@ -685,6 +685,91 @@ class ClearAllRestrictRender(Operator):
         return {'FINISHED'}
 
 
+class TransformsToDeltas(Operator):
+    """Convert normal object transforms to delta transforms, """ \
+    """any existing delta transforms will be included as well"""
+    bl_idname = "object.transforms_to_deltas"
+    bl_label = "Transforms to Deltas"
+    bl_options = {'REGISTER', 'UNDO'}
+
+    mode = EnumProperty(
+            items=(('ALL',
+                    "All Transforms",
+                    "Transfer location, rotation, and scale transforms",
+                    ),
+                   ('LOC',
+                    "Location",
+                    "Transfer location transforms only",
+                    ),
+                   ('ROT',
+                    "Rotation",
+                    "Transfer rotation transforms only",
+                    ),
+                   ('SCALE',
+                    "Scale",
+                    "Transfer scale transforms only",
+                    ),
+                   ),
+            name="Mode",
+            description="Which transforms to transfer",
+            default='ALL',
+            )
+    reset_values = BoolProperty(
+            name="Reset Values",
+            description=("Clear transform values after transferring to deltas"),
+            default=True,
+            )
+
+    @classmethod
+    def poll(cls, context):
+        obs = context.selected_editable_objects
+        return (obs is not None)
+
+    def execute(self, context):
+        for obj in context.selected_editable_objects:
+            if self.mode in {'ALL', 'LOC'}:
+                self.transfer_location(obj)
+
+            if self.mode in {'ALL', 'ROT'}:
+                self.transfer_rotation(obj)
+
+            if self.mode in {'ALL', 'SCALE'}:
+                self.transfer_scale(obj)
+
+        return {'FINISHED'}
+
+    def transfer_location(self, obj):
+        obj.delta_location += obj.location
+
+        if self.reset_values:
+            obj.location.zero()
+
+    def transfer_rotation(self, obj):
+        # TODO: add transforms together...
+        if obj.rotation_mode == 'QUATERNION':
+            obj.delta_rotation_quaternion += obj.rotation_quaternion
+
+            if self.reset_values:
+                obj.rotation_quaternion.identity()
+        elif obj.rotation_mode == 'AXIS_ANGLE':
+            pass  # Unsupported
+        else:
+            delta = obj.delta_rotation_euler.copy()
+            obj.delta_rotation_euler = obj.rotation_euler
+            obj.delta_rotation_euler.rotate(delta)
+
+            if self.reset_values:
+                obj.rotation_euler.zero()
+
+    def transfer_scale(self, obj):
+        obj.delta_scale[0] *= obj.scale[0]
+        obj.delta_scale[1] *= obj.scale[1]
+        obj.delta_scale[2] *= obj.scale[2]
+
+        if self.reset_values:
+            obj.scale[:] = (1, 1, 1)
+
+
 class TransformsToDeltasAnim(Operator):
     """Convert object animation for normal transforms to delta transforms"""
     bl_idname = "object.anim_transforms_to_deltas"