scripts-blender/addons/asset_pipeline_2/constants.py

@@ -8,7 +8,7 @@ TASK_LAYER_TYPES = {
     "NONE": "None",
     "MODEL": "Modeling",
     "RIG": "Rigging",
-    "SHADE": "Shading"
+    "SHADE": "Shading",
 }
 
 # When creating a new asset, start in this task layer's file.
@@ -29,6 +29,7 @@ MATERIAL_SLOT_KEY = "MATERIAL"
 UV_LAYERS_KEY = "UV_MAP"
 SHAPE_KEY_KEY = "SHAPE_KEY"
 ATTRIBUTE_KEY = "ATTRIBUTE"
+PARENT_KEY = "PARENT"
 
 # Information about supported transferable data.
 # {Key string : ("UI Name", 'ICON')}
@@ -42,6 +43,7 @@ TRANSFER_DATA_TYPES = {
     UV_LAYERS_KEY: ("UV Maps", 'GROUP_UVS'),
     SHAPE_KEY_KEY: ("Shape Key", 'SHAPEKEY_DATA'),
     ATTRIBUTE_KEY: ("Attribute", 'EVENT_A'),
+    PARENT_KEY: ("Parent", 'FILE_PARENT'),
 }
 
 # Convert it to the format that EnumProperty.items wants:
@@ -52,6 +54,7 @@ TRANSFER_DATA_TYPES_ENUM_ITEMS = [
 ]
 
 MATERIAL_TRANSFER_INFO_NAME = "All Material Slots"
+PARENT_TRANSFER_INFO_NAME = "Parent Relationship"
 
 PUBLISH_TYPES = [
     (

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

@@ -33,6 +33,7 @@ def transfer_data_clean(obj):
     transfer_functions.material_slots_clean(obj)
     transfer_functions.shape_keys_clean(obj)
     transfer_functions.attribute_clean(obj)
+    transfer_functions.parent_clean(obj)
 
 
 def transfer_data_is_missing(transfer_data_item) -> bool:
@@ -53,6 +54,7 @@ def transfer_data_is_missing(transfer_data_item) -> bool:
         # or transfer_functions.uv_layer_is_missing(transfer_data_item)
         or transfer_functions.shape_key_is_missing(transfer_data_item)
         or transfer_functions.attribute_is_missing(transfer_data_item)
+        or transfer_functions.parent_is_missing(transfer_data_item)
     )
 
 
@@ -75,6 +77,7 @@ def init_transfer_data(
     # transfer_functions.init_uv_layers(scene, obj)
     transfer_functions.init_shape_keys(scene, obj)
     transfer_functions.init_attributes(scene, obj)
+    transfer_functions.init_parent(scene, obj)
 
 
 def apply_transfer_data(context: bpy.types.Context, transfer_data_map) -> None:
@@ -153,6 +156,11 @@ def apply_transfer_data(context: bpy.types.Context, transfer_data_map) -> None:
                     source_obj=source_obj,
                     attribute_name=transfer_info.name,
                 )
+            if transfer_info.type == constants.PARENT_KEY:
+                transfer_functions.transfer_parent(
+                    target_obj=target_obj,
+                    source_obj=source_obj,
+                )
 
         copy_transfer_data_ownership(
             transfer_data_item=transfer_info,

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

@@ -431,7 +431,9 @@ def init_shape_keys(scene, obj):
         if kb.relative_key:
             base_shape_idx = obj.data.shape_keys.key_blocks.find(kb.relative_key.name)
             if base_shape_idx > i:
-                raise Exception(f'Shape Key "{kb.name}" must be ordered after its base shape "{kb.relative_key.name}" on object "{obj.name}".')
+                raise Exception(
+                    f'Shape Key "{kb.name}" must be ordered after its base shape "{kb.relative_key.name}" on object "{obj.name}".'
+                )
 
     transfer_core.transfer_info_init(
         scene, obj, obj.data.shape_keys.key_blocks, constants.SHAPE_KEY_KEY
@@ -595,3 +597,49 @@ def transfer_attribute(
         for key in list(keys):
             target_data = target_attribute.data[index]
             setattr(target_data, key, getattr(source_data, key))
+
+
+def parent_clean(obj):
+    transfer_data_list = transfer_core.get_transfer_data_as_names(
+        obj.transfer_data_ownership, constants.PARENT_KEY
+    )
+
+    if transfer_data_list != []:
+        return
+
+    obj.parent = None
+    print("Cleaning Parent Relationship")
+
+
+def parent_is_missing(transfer_info):
+    if (
+        transfer_info.type == constants.PARENT_KEY
+        and transfer_info.id_data.parent == None
+    ):
+        return True
+
+
+def init_parent(scene, obj):
+    task_layer_key = scene.asset_pipeline.task_layer_name
+    type_key = constants.PARENT_KEY
+    name = constants.PARENT_TRANSFER_INFO_NAME
+    transfer_data = obj.transfer_data_ownership
+
+    # Only Execute if Material Slots exist on object
+    if obj.parent == None:
+        return
+    matches = transfer_core.check_transfer_data_entry(transfer_data, name, type_key)
+    # Only add new ownership transfer_info if vertex group doesn't have an owner
+    if len(matches) == 0:
+        scene.asset_pipeline.add_temp_trasnfer_data(
+            name=name,
+            owner=task_layer_key,
+            type=type_key,
+            obj=obj,
+        )
+
+
+def transfer_parent(target_obj, source_obj):
+    target_obj.parent = source_obj.parent
+    # TODO Test if this works in all cases
+    target_obj.matrix_parent_inverse = source_obj.parent.matrix_world.inverted()

scripts-blender/addons/asset_pipeline_2/transfer_data/transfer_ui.py

@@ -28,6 +28,7 @@ def draw_transfer_data(
     # uv_layers = []
     shape_keys = []
     attributes = []
+    parent = []
 
     for transfer_info in transfer_data:
         if transfer_info.type == constants.VERTEX_GROUP_KEY:
@@ -46,6 +47,8 @@ def draw_transfer_data(
             shape_keys.append(transfer_info)
         if transfer_info.type == constants.ATTRIBUTE_KEY:
             attributes.append(transfer_info)
+        if transfer_info.type == constants.PARENT_KEY:
+            parent.append(transfer_info)
 
     draw_transfer_data_type(layout, vertex_groups)
     # draw_transfer_data_type(layout, vertex_colors)
@@ -55,3 +58,4 @@ def draw_transfer_data(
     # draw_transfer_data_type(layout, uv_layers)
     draw_transfer_data_type(layout, shape_keys)
     draw_transfer_data_type(layout, attributes)
+    draw_transfer_data_type(layout, parent)