public static Packet ReadPacket(Stream stream)
{
var packetType = stream.ReadByte();
Packet packet = null;
switch (packetType)
{
case 1:
packet = new RequestConnectPacket();
packet.ReadPacketData(stream);
return(packet);
case 2:
packet = new ConnectDecisionPacket();
packet.ReadPacketData(stream);
return(packet);
case 3:
packet = new InputPacket();
packet.ReadPacketData(stream);
return(packet);
case 4:
packet = new GameStatePacket();
packet.ReadPacketData(stream);
return(packet);
default:
throw new Exception("Unrecognized Packet Type");
}
}
private void ReceiveStates(UdpClient c, IPEndPoint ip)
{
while (true)
{
var res = c.Receive(ref ip);
lastNetworkReceived = DateTime.Now;
var stream = new MemoryStream(res);
var packet = new GameStatePacket();
packet.ReadPacketData(stream);
lock (ServerStateBufferLock)
ServerStateBuffer.Add(packet);
}
}
private void UpdateToState(GameStatePacket packet)
{
var usedIds = new HashSet <long>();
foreach (var blackHole in packet.Blackholes)
{
var b = gravityObjects.FirstOrDefault(a => a.ID() == blackHole.ID());
if (b != default(GravitationalField))
{
b.state = new State {
v = b.state.v, x = blackHole.Position
};
b.mass = blackHole.Mass();
}
else
{
b = new Blackhole(blackHole.Owner(), blackHole.Mass(), blackHole.Position);
gravityObjects.Add(b);
units.Add(b);
}
usedIds.Add(b.ID());
}
foreach (var planet in packet.Planets)
{
var p = gravityObjects.FirstOrDefault(a => a.ID() == planet.ID());
if (p != default(GravitationalField))
{
p.state = new State {
v = p.state.v, x = planet.Position()
};
p.bounds.Center = p.state.x;
p.mass = planet.Mass();
}
else
{
var randy = randall.Next(1, 8);
p = new Spheroid(planet.Position(), Vector3.Zero, planet.mass, planet.size, randall.Next(2, 40), randy == 1 ? "earth" : randy == 2 ? "mars" : randy == 3 ? "moon" : randy == 4 ? "neptune" : randy == 5 ? "uranus" : randy == 6 ? "venus" : "ganymede", null);
gravityObjects.Add(p);
units.Add(p);
}
usedIds.Add(p.ID());
}
gravityObjects = gravityObjects.Where(a => usedIds.Contains(a.ID())).ToList();
units = units.Where(a => usedIds.Contains(a.ID())).ToList();
selectedUnits = new HashSet <IUnit>(selectedUnits.Where(a => usedIds.Contains(a.ID())));
if (!selectedUnits.Any())
{
selectedUnits.Add(units.First(a => a is Blackhole && ((Blackhole)a).Owner() == IsServer));
}
}
private void SendStatePacket(bool guarentee = false)
{
var pack = new GameStatePacket()
{
Blackholes = gravityObjects.OfType <Blackhole>().ToList(),
Planets = gravityObjects.OfType <Spheroid>().ToList()
};
var dat = new List <byte>();
pack.WritePacketData(dat);
if (guarentee)
{
PacketQueue.Instance.AddPacket(pack);
}
else
{
client3.Send(dat.ToArray(), dat.Count,
new IPEndPoint(new IPAddress(ClientIP.Split('.').Select(byte.Parse).ToArray()), PORT3));
}
}
