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import unreal folder_path = "/Game/Characters/MainChar/W/Meshes" print(f"正在扫描文件夹: {folder_path}") asset_registry = unreal.AssetRegistryHelpers.get_asset_registry() filter = unreal.ARFilter(recursive_paths=True) filter.package_paths.append(folder_path) filter.class_names.append("Material") filter.class_names.append("MaterialInstanceConstant") assets = asset_registry.get_assets(filter) print(f"在 {folder_path} 中找到 {len(assets)} 个材质资产") material_paths = [] for asset_data in assets: print(f"找到材质资产: {asset_data.object_path}") material_paths.append(str(asset_data.object_path)) deleted = [] for path in material_paths: success = unreal.EditorAssetLibrary.delete_asset(path) if success: print(f"成功删除材质: {path}") deleted.append(path) else: print(f"删除材质失败: {path} - 可能被引用或锁定") print(f"共删除 {len(deleted)} 个材质资产。")