glTF exporter: fix / enhancement of animation export

1 files changed, 19 insertions, 0 deletions

diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_get.py b/io_scene_gltf2/blender/exp/gltf2_blender_get.py
index fe3e0e20..27d8a341 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_get.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_get.py
@@ -23,6 +23,25 @@ def get_animation_target(action_group: bpy.types.ActionGroup):
     return action_group.channels[0].data_path.split('.')[-1]
 
 
+def get_object_from_datapath(blender_object, data_path: str):
+    if "." in data_path:
+        # gives us: ('modifiers["Subsurf"]', 'levels')
+        path_prop, path_attr = data_path.rsplit(".", 1)
+
+        # same as: prop = obj.modifiers["Subsurf"]
+        if path_attr in ["rotation", "scale", "location",
+                         "rotation_axis_angle", "rotation_euler", "rotation_quaternion"]:
+            prop = blender_object.path_resolve(path_prop)
+        else:
+            prop = blender_object.path_resolve(data_path)
+    else:
+        prop = blender_object
+        # single attribute such as name, location... etc
+        # path_attr = data_path
+
+    return prop
+
+
 def get_socket_or_texture_slot(blender_material: bpy.types.Material, name: str):
     """
     For a given material input name, retrieve the corresponding node tree socket or blender render texture slot.