public void SendMeetPlayer(string id)
{
FlatBufferBuilder fbb = new FlatBufferBuilder(1024);
var _id = fbb.CreateString(id);
PlayerInfo.StartPlayerInfo(fbb);
PlayerInfo.AddId(fbb, _id);
var playerInfoOffset = PlayerInfo.EndPlayerInfo(fbb);
MeetCommand.StartMeetCommand(fbb);
MeetCommand.AddOtherPlayer(fbb, playerInfoOffset);
var meetCommandOffset = MeetCommand.EndMeetCommand(fbb);
MessageRoot.StartMessageRoot(fbb);
MessageRoot.AddDataType(fbb, Data.MeetCommand);
MessageRoot.AddData(fbb, meetCommandOffset.Value);
var msgRootOffset = MessageRoot.EndMessageRoot(fbb);
MessageRoot.FinishMessageRootBuffer(fbb, msgRootOffset);
byte[] buf = fbb.SizedByteArray();
_writer.BaseStream.Write(buf, 0, buf.Length);
_writer.Flush();
}