private void ReplyChallenge(EndPoint clientEp)
{
var msg = new BufferWrite();
// get a free challenge number
var challengeNr = GetChallengeNr(clientEp);
msg.WriteBytes(NetProtocol.ConnectionlessHeader);
msg.WriteChar((char)EConnectionType.ServerChallenge);
msg.WriteInt(challengeNr);
msg.WriteInt(1); // auth protocol
msg.WriteString("EE00");
Networking.SendPacket(null, Socket, clientEp, msg.GetData());
}
public override bool WriteToBuffer(BufferWrite buffer)
{
buffer.WriteInt(Tick);
buffer.WriteULong(Utils.Clamp <ulong>((ulong)(HostFrameTime * Networking.NetTickScaleUp), 0, 65535));
buffer.WriteULong(Utils.Clamp <ulong>((ulong)(HostFrameTimeStdDeviation * Networking.NetTickScaleUp), 0, 65535));
return(true);
}
private void SendConnectPacket(int challengeNr, int authProtocol)
{
var serverEp = (EndPoint) new IPEndPoint(IPAddress.Any, 0);
if (!Networking.StringToAddr(_retryAddress, ref serverEp))
{
Console.WriteLine("Bad server address ({0})!\n", serverEp);
Disconnect();
return;
}
var msg = new BufferWrite();
msg.WriteBytes(NetProtocol.ConnectionlessHeader);
msg.WriteChar((char)EConnectionType.PlayerConnect);
msg.WriteInt(Program.ProtocolVersion);
msg.WriteInt(authProtocol);
msg.WriteInt(challengeNr);
msg.WriteString(Program.ClientName);
msg.WriteString(Program.ServerPassword);
Networking.SendPacket(null, _socket, serverEp, msg.GetData());
}
public int SendDatagram(BufferWrite datagram)
{
var send = new BufferWrite();
send.WriteInt(_outSequenceNr);
send.WriteInt(_inSequenceNr);
send.WriteByte(_inReliableState);
var flagsPos = send.Position;
// write correct flags value later
send.WriteByte(0);
byte flags = 0;
if (_chokedPackets > 0)
{
flags |= (byte)ENetPacketHeader.Choked;
send.WriteByte((byte)(_chokedPackets & 0xFF));
}
if (datagram != null)
{
if (datagram.GetNumBitsWritten() > 0)
{
send.WriteBytes(datagram.GetData());
}
}
if (StreamUnreliable.GetNumBitsWritten() > 0)
{
send.WriteBytes(StreamUnreliable.GetData());
}
// clear unreliable data buffer
StreamUnreliable.Reset();
send.WriteByteAt((int)flagsPos, flags);
var bytesSend = Networking.SendPacket(this, _socket, _remoteAddress, send.GetData());
// TODO: Calc sended size with udp header, and retreive stats
// TODO: Network throttling
if (_clearTime < Networking.NetTime)
{
_clearTime = Networking.NetTime;
}
var addTime = bytesSend / _rate;
_clearTime += addTime;
if (Networking.NetMaxcleartime > 0.0f)
{
var latestClearTime = Networking.NetTime + Networking.NetMaxcleartime;
if (_clearTime > latestClearTime)
{
_clearTime = latestClearTime;
}
}
_chokedPackets = 0;
_outSequenceNr++;
// return send sequence nr
return(_outSequenceNr - 1);
}