scripts-blender/addons/asset_pipeline_2/merge/transfer_data/transfer_core.py

@@ -40,7 +40,7 @@ def transfer_data_clean(obj):
     transfer_functions.vertex_groups_clean(obj)
     transfer_functions.modifiers_clean(obj)
     transfer_functions.constraints_clean(obj)
-    transfer_functions.material_slots_clean(obj)
+    # transfer_functions.material_slots_clean(obj)
     transfer_functions.shape_keys_clean(obj)
     transfer_functions.attribute_clean(obj)
     transfer_functions.parent_clean(obj)
@@ -58,7 +58,7 @@ def transfer_data_is_missing(transfer_data_item) -> bool:
     return bool(
         transfer_functions.vertex_group_is_missing(transfer_data_item)
         or transfer_functions.modifier_is_missing(transfer_data_item)
-        or transfer_functions.material_slots_is_missing(transfer_data_item)
+        # or transfer_functions.material_slots_is_missing(transfer_data_item)
         or transfer_functions.constraint_is_missing(transfer_data_item)
         or transfer_functions.shape_key_is_missing(transfer_data_item)
         or transfer_functions.attribute_is_missing(transfer_data_item)

scripts-blender/addons/asset_pipeline_2/merge/transfer_data/transfer_functions.py

@@ -291,8 +291,19 @@ def init_material_slots(scene, obj, use_default_owner: bool):
     name = constants.MATERIAL_TRANSFER_DATA_ITEM_NAME
     transfer_data = obj.transfer_data_ownership
 
+    material_objects = [
+        'ARMATURE',
+        'CURVE',
+        'GPENCIL',
+        'META',
+        'MESH',
+        'SURFACE',
+        'FONT',
+        'VOLUME',
+    ]
+
     # Only Execute if Material Slots exist on object
-    if len(obj.material_slots) == 0:
+    if obj.type not in material_objects:
         return
     matches = check_transfer_data_entry(transfer_data, name, td_type_key)
     # Only add new ownership transfer_data_item if vertex group doesn't have an owner