public override void ListenIncoming()
{
// we loop on all LocalPlayers to gather network data
foreach (LiveIdentifiedPlayer identifiedPlayer in LocalPlayers)
{
var gamer = (LocalNetworkGamer) identifiedPlayer.LiveGamer;
while (gamer.IsDataAvailable)
{
NetworkGamer sender;
gamer.ReceiveData(_packetReader, out sender);
byte message = _packetReader.ReadByte();
// If the message is to execute commands on server, we execute them and ask all clients to execute them with the server computed value
if (message == Constants.ExecuteCommandOnServerDataExchanged)
{
if (!gamer.IsHost)
throw new CoreException("Gamer isn't host");
ushort commandId = _packetReader.ReadUInt16();
Command command = Commands[commandId];
if (command.NetworkValueType == typeof (bool))
command.NetworkValue = _packetReader.ReadBoolean();
else if (command.NetworkValueType == typeof (byte))
command.NetworkValue = _packetReader.ReadByte();
else if (command.NetworkValueType == typeof (byte[]))
{
int tempNumberOfBytes = _packetReader.ReadInt32();
command.NetworkValue = _packetReader.ReadBytes(tempNumberOfBytes);
}
else if (command.NetworkValueType == typeof (char))
command.NetworkValue = _packetReader.ReadChar();
else if (command.NetworkValueType == typeof (char[]))
{
int tempNumberOfChars = _packetReader.ReadInt32();
command.NetworkValue = _packetReader.ReadChars(tempNumberOfChars);
}
else if (command.NetworkValueType == typeof (Color))
command.NetworkValue = _packetReader.ReadColor();
else if (command.NetworkValueType == typeof (double))
command.NetworkValue = _packetReader.ReadDouble();
else if (command.NetworkValueType == typeof (float))
command.NetworkValue = _packetReader.ReadSingle();
else if (command.NetworkValueType == typeof (int))
command.NetworkValue = _packetReader.ReadInt32();
else if (command.NetworkValueType == typeof (long))
command.NetworkValue = _packetReader.ReadInt64();
else if (command.NetworkValueType == typeof (Matrix))
command.NetworkValue = _packetReader.ReadMatrix();
else if (command.NetworkValueType == typeof (Quaternion))
command.NetworkValue = _packetReader.ReadQuaternion();
else if (command.NetworkValueType == typeof (sbyte))
command.NetworkValue = _packetReader.ReadSByte();
else if (command.NetworkValueType == typeof (short))
command.NetworkValue = _packetReader.ReadInt16();
else if (command.NetworkValueType == typeof (string))
command.NetworkValue = _packetReader.ReadString();
else if (command.NetworkValueType == typeof (uint))
command.NetworkValue = _packetReader.ReadUInt32();
else if (command.NetworkValueType == typeof (ulong))
command.NetworkValue = _packetReader.ReadInt64();
else if (command.NetworkValueType == typeof (ushort))
command.NetworkValue = _packetReader.ReadUInt16();
else if (command.NetworkValueType == typeof (Vector2))
command.NetworkValue = _packetReader.ReadVector2();
else if (command.NetworkValueType == typeof (Vector3))
command.NetworkValue = _packetReader.ReadVector3();
else if (command.NetworkValueType == typeof (Vector4))
command.NetworkValue = _packetReader.ReadVector4();
if (command.NetworkValue == null)
throw new CoreException("No value transfered");
if (command.Condition == null || (command.Condition.Invoke()))
command.NetworkValue = command.ServerExecution(command, command.NetworkValue);
if(command.ApplyServerResult != null)
ExecuteServerCommandOnClients(command);
else
command.WaitingForServerReply = false;
}
// Some Commands may not return values and ask the server to compute it for all clients
else if (message == Constants.ExecuteCommandOnServerNoDataExchanged)
{
if (!gamer.IsHost)
throw new CoreException("Gamer isn't host");
ushort commandId = _packetReader.ReadUInt16();
Command command = Commands[commandId];
if (command.Condition == null || (command.Condition.Invoke()))
command.NetworkValue = command.ServerExecution(command, null);
if (command.ApplyServerResult != null)
ExecuteServerCommandOnClients(command);
else
command.WaitingForServerReply = false;
}
else if (message == Constants.SynchronizeCommandOnClient)
{
if (CommandsToSynchronize.Count > 0)
{
Command command = CommandsToSynchronize.Dequeue();
ushort commandId = _packetReader.ReadUInt16();
if (Commands.ContainsKey(commandId))
{
Commands[commandId] = command;
}
else
{
command.Id = commandId;
Commands.Add(command.Id, command);
}
}
}
else if (message == Constants.SynchronizeSceneEntitiesOnClient)
{
if (SceneEntitiesToSynchronize.Count > 0)
{
SceneEntity entity = (SceneEntity) SceneEntitiesToSynchronize.Dequeue();
var entityUniqueId = _packetReader.ReadInt32();
if (RegisteredEntities.ContainsKey(entityUniqueId))
{
RegisteredEntities[entityUniqueId] = entity;
}
else
{
entity.UniqueId = entityUniqueId;
RegisteredEntities.Add(entity.UniqueId, entity);
}
}
}
else if (message == Constants.SynchronizationDoneOnClient)
{
if(!gamer.IsHost)
throw new CoreException("Gamer isn't host");
var synchronizedPlayers = new List<IdentifiedPlayer>();
if (sender.IsLocal)
{
foreach (var player in PlayersToSynchronize)
{
if(player.IsLocal)
synchronizedPlayers.Add(player);
}
}
else
{
var senderMachine = sender.Machine;
foreach (var player in PlayersToSynchronize)
{
if(!player.IsLocal)
{
if (((NetworkGamer)((LiveIdentifiedPlayer)player).LiveGamer).Machine.Equals(senderMachine))
synchronizedPlayers.Add(player);
}
}
}
if (synchronizedPlayers.Count > 0)
{
foreach (var synchronizedPlayer in synchronizedPlayers)
{
PlayersToSynchronize.Remove(synchronizedPlayer);
}
if (PlayersToSynchronize.Count == 0)
{
_sessionState = SessionState.Playing;
OnStarted();
}
}
}
else
{
ushort commandId = _packetReader.ReadUInt16();
Command command = Commands[commandId];
command.WaitingForServerReply = false;
object networkValue = null;
if (message == Constants.ExecuteServerCommandOnClientsDataExchanged)
{
if (command.NetworkValueType == typeof(bool))
networkValue = _packetReader.ReadBoolean();
else if (command.NetworkValueType == typeof(byte))
networkValue = _packetReader.ReadByte();
else if (command.NetworkValueType == typeof(byte[]))
{
int tempNumberOfBytes = _packetReader.ReadInt32();
networkValue = _packetReader.ReadBytes(tempNumberOfBytes);
}
else if (command.NetworkValueType == typeof(char))
networkValue = _packetReader.ReadChar();
else if (command.NetworkValueType == typeof(char[]))
{
int tempNumberOfChars = _packetReader.ReadInt32();
networkValue = _packetReader.ReadChars(tempNumberOfChars);
}
else if (command.NetworkValueType == typeof(Color))
networkValue = _packetReader.ReadColor();
else if (command.NetworkValueType == typeof(double))
networkValue = _packetReader.ReadDouble();
else if (command.NetworkValueType == typeof(float))
networkValue = _packetReader.ReadSingle();
else if (command.NetworkValueType == typeof(int))
networkValue = _packetReader.ReadInt32();
else if (command.NetworkValueType == typeof(long))
networkValue = _packetReader.ReadInt64();
else if (command.NetworkValueType == typeof(Matrix))
networkValue = _packetReader.ReadMatrix();
else if (command.NetworkValueType == typeof(Quaternion))
networkValue = _packetReader.ReadQuaternion();
else if (command.NetworkValueType == typeof(sbyte))
networkValue = _packetReader.ReadSByte();
else if (command.NetworkValueType == typeof(short))
networkValue = _packetReader.ReadInt16();
else if (command.NetworkValueType == typeof(string))
networkValue = _packetReader.ReadString();
else if (command.NetworkValueType == typeof(uint))
networkValue = _packetReader.ReadUInt32();
else if (command.NetworkValueType == typeof(ulong))
networkValue = _packetReader.ReadInt64();
else if (command.NetworkValueType == typeof(ushort))
networkValue = _packetReader.ReadUInt16();
else if (command.NetworkValueType == typeof(Vector2))
networkValue = _packetReader.ReadVector2();
else if (command.NetworkValueType == typeof(Vector3))
networkValue = _packetReader.ReadVector3();
else if (command.NetworkValueType == typeof(Vector4))
networkValue = _packetReader.ReadVector4();
}
command.ApplyServerResult(command, networkValue);
}
}
}
}
