better basic example

Content/Python/ue_workshop/assets.py

@@ -6,13 +6,25 @@ import unreal
 from .paths import GENERATED, PROJECT, slug
 
 
+def _disable_nanite(mesh):
+    # Workshop renders showed Nanite's coarse fallback mesh instead of the full model.
+    settings = mesh.get_editor_property("nanite_settings")
+    if settings.enabled:
+        settings.enabled = False
+        unreal.get_editor_subsystem(unreal.StaticMeshEditorSubsystem).set_nanite_settings(mesh, settings, True)
+        unreal.EditorAssetLibrary.save_loaded_asset(mesh)
+
+
 def _existing_model(name):
     destination = f"{GENERATED}/Imports/{slug(name)}"
     if not unreal.EditorAssetLibrary.does_directory_exist(destination):
         return None
     meshes = [unreal.load_asset(path) for path in unreal.EditorAssetLibrary.list_assets(destination, recursive=True)]
     meshes = [obj for obj in meshes if isinstance(obj, unreal.StaticMesh)]
-    return meshes[0] if len(meshes) == 1 else None
+    if len(meshes) != 1:
+        return None
+    _disable_nanite(meshes[0])
+    return meshes[0]
 
 
 def import_model(filename, name="Character", reimport=True):
@@ -80,6 +92,7 @@ def import_model(filename, name="Character", reimport=True):
         raise RuntimeError(
             f"Import {source.name}: oczekiwano jednego StaticMesh, otrzymano {len(meshes)}. "
             "Plik musi zawierac statyczna geometrie modelu.")
+    _disable_nanite(meshes[0])
     if source.suffix.lower() in {".glb", ".gltf"}:
         # UE preserves material edits on mesh reimport. In this workflow Blender
         # owns the look; explicitly synchronize the supported PBR parameters.