/// <summary>
/// 2byte - message length
/// 2byte - message type
/// 4byte - not use
/// protobuf
/// extern
/// </summary>
/// <param name="msg"></param>
/// <param name="id"></param>
/// <returns></returns>
public ArraySegment <byte> Encode(object msg, out UInt16 id)
{
memoryStream.Seek(0, SeekOrigin.Begin);
binaryWriter.Seek(0, SeekOrigin.Begin);
binaryWriter.Write(UInt16.MinValue);
UInt16 msgId = ClientProtocol.GetIdByType(msg.GetType());
#if net_log
Debug.Log("encode id is :" + msgId);
#endif
id = msgId;
binaryWriter.Write(msgId);
binaryWriter.Write(UInt32.MinValue);
RuntimeTypeModel.Default.Serialize(memoryStream, msg);
#if net_log
Debug.Log("encode after Serialize:" + memoryStream.Position);
#endif
int totalLength = (int)memoryStream.Position;
UInt16 length = (UInt16)(memoryStream.Position - 2);
binaryWriter.Seek(0, SeekOrigin.Begin);
binaryWriter.Write(length);
byte[] fullBuffer = new byte[totalLength];
Array.Copy(this.buffer, fullBuffer, totalLength);
ArraySegment <byte> encodeResult = new ArraySegment <byte>(fullBuffer, 0, totalLength);
return(encodeResult);
}
