sync

Content/Python/auto_import_pipeline.py

@@ -63,10 +63,16 @@ def import_fbx(filename, name, dest_path):
 
 
 def assign_material(skeletal_mesh, material):
-    slots = skeletal_mesh.get_editor_property("materials")
-    for slot in slots:
-        slot.set_editor_property("material_interface", material)
-    skeletal_mesh.set_editor_property("materials", slots)
+    new_slots = []
+    for slot in skeletal_mesh.get_editor_property("materials"):
+        new_slot = unreal.SkeletalMaterial()
+        new_slot.set_editor_property("material_interface", material)
+        new_slot.set_editor_property("material_slot_name", slot.get_editor_property("material_slot_name"))
+        new_slot.set_editor_property("uv_channel_data", slot.get_editor_property("uv_channel_data"))
+        new_slots.append(new_slot)
+    skeletal_mesh.set_editor_property("materials", new_slots)
+    skeletal_mesh.modify()
+    skeletal_mesh.post_edit_change()
     unreal.EditorAssetLibrary.save_asset(skeletal_mesh.get_path_name())