scripts-blender/addons/asset_pipeline_2/constants.py

@@ -20,6 +20,7 @@ TRANSFER_DATA_TYPES = [
     ("MATERIAL", "Material Slot", ""),
     ("GROUP_UVS", "UV Maps", ""),
     ("SHAPEKEY_DATA", "Shape Key", ""),
+    ("EVENT_A", "Attribute", ""),
 ]
 
 TRANSFER_DATA_KEYS = [transfer_data[0] for transfer_data in TRANSFER_DATA_TYPES]
@@ -31,6 +32,7 @@ CONSTRAINT_KEY = TRANSFER_DATA_KEYS[4]
 MATERIAL_SLOT_KEY = TRANSFER_DATA_KEYS[5]
 UV_LAYERS_KEY = TRANSFER_DATA_KEYS[6]
 SHAPE_KEY_KEY = TRANSFER_DATA_KEYS[7]
+ATTRIBUTE_KEY = TRANSFER_DATA_KEYS[8]
 
 PUBLISH_TYPES = [
     (

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

@@ -32,6 +32,7 @@ def transfer_data_clean(obj):
     transfer_functions.constraints_clean(obj)
     transfer_functions.material_slot_clean(obj)
     transfer_functions.shape_keys_clean(obj)
+    transfer_functions.attribute_clean(obj)
 
 
 def transfer_data_is_missing(transfer_data_item) -> bool:
@@ -50,6 +51,7 @@ def transfer_data_is_missing(transfer_data_item) -> bool:
         or transfer_functions.constraint_is_missing(transfer_data_item)
         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)
     )
 
 
@@ -71,6 +73,7 @@ def init_transfer_data(
     transfer_functions.init_vertex_colors(scene, obj)
     transfer_functions.init_uv_layers(scene, obj)
     transfer_functions.init_shap_keys(scene, obj)
+    transfer_functions.init_attributes(scene, obj)
 
 
 def apply_transfer_data(context: bpy.types.Context, transfer_data_map) -> None:

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

@@ -465,3 +465,35 @@ def transfer_shape_key(
         ]
         val = mathutils.Vector(sum(np.array(vals_weighted)))
         sk_target.data[i].co = vert.co + val
+
+
+# ATTRIBUTE
+def attribute_clean(obj):
+    transfer_core.transfer_info_clean(obj, obj.data.attributes)
+
+
+def attribute_is_missing(transfer_info):
+    return transfer_core.transfer_info_is_missing(
+        transfer_info, constants.ATTRIBUTE_KEY, transfer_info.id_data.data.attributes
+    )
+
+
+def init_attributes(scene, obj):
+    transfer_data = obj.transfer_data_ownership
+    task_layer_name = scene.asset_pipeline.task_layer_name
+    type_key = constants.ATTRIBUTE_KEY
+    list = obj.data.attributes
+    for item in list:
+        if not item.is_required:
+            continue
+        # Only add new ownership transfer_info if vertex group doesn't have an owner
+        matches = transfer_core.check_transfer_data_entry(
+            transfer_data, item.name, type_key
+        )
+        if len(matches) == 0:
+            scene.asset_pipeline.add_temp_trasnfer_data(
+                name=item.name,
+                owner=task_layer_name,
+                type=type_key,
+                obj=obj,
+            )

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

@@ -31,6 +31,7 @@ def draw_transfer_data(
     constraints = []
     uv_layers = []
     shape_keys = []
+    attributes = []
 
     for transfer_info in transfer_data:
         if transfer_info.type == constants.VERTEX_GROUP_KEY:
@@ -47,6 +48,8 @@ def draw_transfer_data(
             uv_layers.append(transfer_info)
         if transfer_info.type == constants.SHAPE_KEY_KEY:
             shape_keys.append(transfer_info)
+        if transfer_info.type == constants.ATTRIBUTE_KEY:
+            attributes.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, constraints)
     draw_transfer_data_type(layout, uv_layers)
     draw_transfer_data_type(layout, shape_keys)
+    draw_transfer_data_type(layout, attributes)