void OnReceive(IAsyncResult ar)
{
try
{
IPEndPoint ipEndpoint = null;
byte[] data = connection.EndReceive(ar, ref ipEndpoint);
UDPChat.AddClient(ipEndpoint);
string message = System.Text.Encoding.UTF8.GetString(data);
//Message Processes according to messageType
ProtocolHandler.Handle(message, ipEndpoint);
if (UDPChat.instance.isServer && message.Substring(0, 2) != ProtocolLabels.clientLeft &&
message.Substring(0, 2) != ProtocolLabels.joinRequest &&
message.Substring(0, 2) != ProtocolLabels.playerMove &&
message.Substring(0, 2) != ProtocolLabels.playerRot)
{
UDPChat.BroadcastChatMessage(message, ipEndpoint);
}
UDPChat.instance.connectionFailed = false;
}
catch (SocketException e)
{
Debug.Log(e);
UDPChat.instance.connectionFailed = true;
}
connection.BeginReceive(OnReceive, null);
}
public void Awake()
{
instance = this;
if (serverIp == null)
{
this.isServer = true;
connection = new UdpConnectedClient();
}
else
{
connection = new UdpConnectedClient(ip: serverIp);
AddClient(new IPEndPoint(serverIp, Globals.port));
}
}
public void Awake()
{
instance = this;
username = MainSceneEventHandler.instance.usernameInput.text;
if (serverIp == null)
{
this.isServer = true;
connection = new UdpConnectedClient();
LobbyList.setPlayerName(username);
LobbyList.setReadyStatement("N");
}
else
{
connection = new UdpConnectedClient(ip: serverIp);
AddClient(new IPEndPoint(serverIp, Globals.port));
}
}
void OnReceive(IAsyncResult ar)
{
try
{
IPEndPoint ipEndpoint = null;
byte[] data = connection.EndReceive(ar, ref ipEndpoint);
UDPChat.AddClient(ipEndpoint);
string message = System.Text.Encoding.UTF8.GetString(data);
UDPChat.messageToDisplay += message + Environment.NewLine;
if (UDPChat.instance.isServer)
{
UDPChat.BroadcastChatMessage(message);
}
}
catch (SocketException e)
{
// This happens when a client disconnects, as we fail to send to that port.
}
connection.BeginReceive(OnReceive, null);
}
public static void Handle(string message, IPEndPoint ipEndpoint)
{
string[] sections = message.Split(';');
string messageType = sections[0];
Debug.Log("Handler: " + message);
if (UDPChat.instance.isServer)
{
switch (messageType)
{
case ProtocolLabels.joinRequest:
if (UDPChat.instance.playerList.ToArray().Length == 4 ||
UDPChat.instance.gameState == "start")
{
object[] rejectMsg = new object[2] {
ProtocolLabels.joinRequest, "rejected"
};
string rejMsg = MessageMaker.makeMessage(rejectMsg);
UDPChat.instance.connection.Send(rejMsg, ipEndpoint);
}
else
{
// Add player informations to lobby
LobbyList.setPlayerName(sections[1]);
int newClientNo = UDPChat.instance.playerList.IndexOf(sections[1]);
LobbyList.setReadyStatement("N", newClientNo);
// give info about itself to client to update it
// and set its clientInfo
object[] nameMsg = new object[5] {
ProtocolLabels.clientInfo,
UDPChat.instance.username,
newClientNo,
UDPChat.instance.roleName,
UDPChat.instance.readyStatement
};
string infoMsg = MessageMaker.makeMessage(nameMsg);
UDPChat.instance.connection.Send(infoMsg, ipEndpoint);
}
break;
case ProtocolLabels.roleSelected:
LobbyList.setRolePref(sections[2], System.Int32.Parse(sections[1]));
UDPChat.instance.Send(message);
break;
case ProtocolLabels.clientReady:
LobbyList.setReadyStatement(sections[2], System.Int32.Parse(sections[1]));
break;
case ProtocolLabels.clientLeft:
int leftClientNo = System.Int32.Parse(sections[1]);
int playerListLength = UDPChat.instance.playerList.ToArray().Length;
LobbyList.refreshLobbyList(leftClientNo, playerListLength);
UDPChat.RemoveClient(ipEndpoint);
MainSceneEventHandler.stopGame();
// send this message to inform other clients
object[] exitMsgParts = new object[3] {
ProtocolLabels.clientLeft, sections[1],
playerListLength
};
string exitMsg = MessageMaker.makeMessage(exitMsgParts);
UDPChat.instance.Send(exitMsg);
break;
case ProtocolLabels.playerMove:
float[] coordinates = new float[3] {
float.Parse(sections[2]),
float.Parse(sections[3]),
float.Parse(sections[4])
};
GameSceneEventHandler.movePlayerObj(System.Int32.Parse(sections[1]), coordinates);
break;
case ProtocolLabels.playerRot:
GameSceneEventHandler.rotatePlayerObj(System.Int32.Parse(sections[1]),
float.Parse(sections[2]),
float.Parse(sections[3]));
break;
default:
break;
}
}
else
{
switch (messageType)
{
case ProtocolLabels.joinRequest:
// means you cannot join lobby, set UI normal
MainSceneEventHandler.instance.exitButtonFunc();
break;
case ProtocolLabels.clientInfo:
if (UDPChat.clientNo == 0)
{
//add server
LobbyList.setPlayerName(sections[1]);
LobbyList.setRolePref(sections[3]);
LobbyList.setReadyStatement(sections[4]);
//client settings
UDPChat.clientNo = System.Int32.Parse(sections[2]);
LobbyList.setPlayerName(UDPChat.instance.username,
UDPChat.clientNo);
LobbyList.setReadyStatement("N", UDPChat.clientNo);
object[] clientMsg = new object[3] {
ProtocolLabels.newClient,
UDPChat.instance.username,
UDPChat.clientNo
};
string othersMsg = MessageMaker.makeMessage(clientMsg);
UDPChat.instance.Send(othersMsg);
}
else
{
LobbyList.setPlayerName(sections[1], System.Int32.Parse(sections[2]));
LobbyList.setRolePref(sections[3], System.Int32.Parse(sections[2]));
LobbyList.setReadyStatement(sections[4], System.Int32.Parse(sections[2]));
}
break;
case ProtocolLabels.newClient:
LobbyList.setPlayerName(sections[1], System.Int32.Parse(sections[2]));
object[] nameMsg = new object[5] {
ProtocolLabels.clientInfo,
UDPChat.instance.username,
UDPChat.clientNo,
UDPChat.instance.roleName,
UDPChat.instance.readyStatement
};
string infoMsg = MessageMaker.makeMessage(nameMsg);
UDPChat.instance.connection.Send(infoMsg, ipEndpoint);
break;
case ProtocolLabels.roleSelected:
LobbyList.setRolePref(sections[2], System.Int32.Parse(sections[1]));
break;
case ProtocolLabels.clientReady:
LobbyList.setReadyStatement(sections[2], System.Int32.Parse(sections[1]));
break;
case ProtocolLabels.clientLeft:
int leftClientNo = System.Int32.Parse(sections[1]);
LobbyList.refreshLobbyList(leftClientNo, System.Int32.Parse(sections[2]));
MainSceneEventHandler.stopGame(); // To stop countdown
break;
case ProtocolLabels.gameAction:
UDPChat.instance.gameState = sections[1];
if (UDPChat.instance.gameState == "start")
{
MainSceneEventHandler.startGame();
}
else
{
MainSceneEventHandler.stopGame();
}
break;
case ProtocolLabels.playerMove:
float[] coordinates = new float[3] {
float.Parse(sections[2]),
float.Parse(sections[3]),
float.Parse(sections[4])
};
GameSceneEventHandler.movePlayerObj(System.Int32.Parse(sections[1]), coordinates);
break;
case ProtocolLabels.playerRot:
GameSceneEventHandler.rotatePlayerObj(System.Int32.Parse(sections[1]),
float.Parse(sections[2]),
float.Parse(sections[3]));
break;
default:
break;
}
}
}