public static void WriteCompressedData(BinaryFileWriter writer, byte[] data, bool prefixUncompressedSize, bool prefixCompressedSize)
{
byte[] compressed = Compress(data);
if (prefixUncompressedSize)
writer.WriteEncodedInt(data.Length);
if (prefixCompressedSize)
writer.WriteEncodedInt(compressed.Length);
writer.Write(compressed, 0, compressed.Length);
}