private void SaveSampleFile(NodeData node, Asset asset)
{
var samplingDirectoryPath = FileUtility.PathCombine(AssetBundleGraphSettings.IMPORTER_SETTINGS_PLACE, node.Id);
if (!Directory.Exists(samplingDirectoryPath))
{
Directory.CreateDirectory(samplingDirectoryPath);
}
var absoluteFilePath = asset.absoluteAssetPath;
var targetFilePath = FileUtility.PathCombine(samplingDirectoryPath, asset.fileNameAndExtension);
FileUtility.CopyFileFromGlobalToLocal(absoluteFilePath, targetFilePath);
AssetDatabase.Refresh(ImportAssetOptions.ImportRecursive);
}