Added another action to delete unused assets

openpype/hosts/unreal/api/pipeline.py

@@ -750,7 +750,7 @@ def replace_geometry_cache_actors(old_assets, new_assets, selected):
                 comp.set_geometry_cache(new_mesh)
 
 
-def delete_previous_asset_if_unused(container, asset_content):
+def delete_asset_if_unused(container, asset_content):
     ar = unreal.AssetRegistryHelpers.get_asset_registry()
 
     references = set()

openpype/hosts/unreal/plugins/inventory/delete_unused_assets.py

@@ -0,0 +1,31 @@
+import unreal
+
+from openpype.hosts.unreal.api.pipeline import delete_asset_if_unused
+from openpype.pipeline import InventoryAction
+
+
+
+class DeleteUnusedAssets(InventoryAction):
+    """Delete all the assets that are not used in any level.
+    """
+
+    label = "Delete Unused Assets"
+    icon = "trash"
+    color = "red"
+    order = 1
+
+    def process(self, containers):
+        allowed_families = ["model", "rig"]
+
+        for container in containers:
+            container_dir = container.get("namespace")
+            if container.get("family") not in allowed_families:
+                unreal.log_warning(
+                    f"Container {container_dir} is not supported.")
+                continue
+
+            asset_content = unreal.EditorAssetLibrary.list_assets(
+                container_dir, recursive=True, include_folder=False
+            )
+
+            delete_asset_if_unused(container, asset_content)

openpype/hosts/unreal/plugins/inventory/update_actors.py

@@ -5,7 +5,7 @@ from openpype.hosts.unreal.api.pipeline import (
     replace_static_mesh_actors,
     replace_skeletal_mesh_actors,
     replace_geometry_cache_actors,
-    delete_previous_asset_if_unused,
+    delete_asset_if_unused,
 )
 from openpype.pipeline import InventoryAction
 
@@ -60,7 +60,7 @@ def update_assets(containers, selected):
 
             unreal.EditorLevelLibrary.save_current_level()
 
-            delete_previous_asset_if_unused(sa_cont, old_content)
+            delete_asset_if_unused(sa_cont, old_content)
 
 
 class UpdateAllActors(InventoryAction):