scripts-blender/addons/asset_pipeline_2/asset_mapping.py

@@ -143,6 +143,24 @@ class AssetTransferMapping:
         name = transfer_info.name + '_' + obj.name
         return name, map_item
 
+    def _check_transfer_data_conflict(self, obj, transfer_info):
+        other_obj = bpy.data.objects.get(asset_suffix.get_target_name(obj.name))
+        check_transfer_info = None
+        if not other_obj:
+            return
+        for other_transfer_info in other_obj.transfer_data_ownership:
+            if (
+                other_transfer_info.type == transfer_info.type
+                and other_transfer_info.name == transfer_info.name
+            ):
+                check_transfer_info = other_transfer_info
+        if check_transfer_info is None:
+            return
+        if check_transfer_info.owner != transfer_info.owner:
+            self.conflict_trasnfer_data.append(transfer_info)
+            print("CONFLICT FOUND")
+            return True
+
     def _gen_transfer_data_map(self):
         context = bpy.context
         transfer_data_map: Dict[bpy.types.Collection, bpy.types.Collection] = {}
@@ -155,6 +173,10 @@ class AssetTransferMapping:
                 if obj.name.endswith(constants.LOCAL_SUFFIX):
                     for transfer_info in obj.transfer_data_ownership:
                         if transfer_info.owner in self._local_tls:
+                            conflict = self._check_transfer_data_conflict(
+                                obj, transfer_info
+                            )
+                            if not conflict:
                                 name, map_item = self._get_transfer_data_map_item(
                                     obj, target_obj, transfer_info
                                 )
@@ -166,6 +188,10 @@ class AssetTransferMapping:
                             transfer_info.owner not in self._local_tls
                             and transfer_info.owner != "NONE"
                         ):
+                            conflict = self._check_transfer_data_conflict(
+                                obj, transfer_info
+                            )
+                            if not conflict:
                                 name, map_item = self._get_transfer_data_map_item(
                                     obj, target_obj, transfer_info
                                 )

scripts-blender/addons/asset_pipeline_2/core.py

@@ -163,6 +163,11 @@ def merge_task_layer(
 
     map = AssetTransferMapping(local_col, external_col, local_tls)
 
+    if len(map.conflict_trasnfer_data) != 0:
+        error_msg = ''
+        for conflict in map.conflict_trasnfer_data:
+            error_msg += f"Transfer Data conflict found for '{conflict.name}' on obj '{conflict.id_data.name}'\n"
+        return error_msg
     # Remove all transfer data from target objects
     for source_obj in map.object_map:
         target_obj = map.object_map[source_obj]