private static byte[] GetDataOfs(StreamingInfo m_StreamData, SerializedFile assetsFile, int ofs, int len) { ResourceReader resourceReader; if (!string.IsNullOrEmpty(m_StreamData?.path)) { resourceReader = new ResourceReader(m_StreamData.path, assetsFile, m_StreamData.offset + (long)ofs, len); return(resourceReader.GetData()); } else { //resourceReader = new ResourceReader(reader, reader.BaseStream.Position, image_data_size); throw new Exception("embedded image data not supported"); } }