public static void Initialize(string ip, int port)
{
TcpClient = new TcpClient(ip, port);
Player = new Player(new Vector2(0));
Id = -1;
NetHelper.SendMessageTo(TcpClient, "0");
while (true)
{
string status;
status = NetHelper.ReceiveMessageFrom(TcpClient);
if (status == "OK")
{
break;
}
}
NetHelper.SendMessageTo(TcpClient,
NetHelper.BuildRequestString((int)Headers.DataType.RequestData,
(int)Headers.RequestDataType.GetFreeSlot));
while (!Stream.DataAvailable)
{
Console.WriteLine("Waiting for ID from server...");
Thread.Sleep(1000 / 2);
}
// Possibly have id.
string[] message = NetHelper.ReceiveMessageFrom(TcpClient).Split(Headers.SplitChar);
switch (Int32.Parse(message[0]))
{
case (int)Headers.DataType.RequestJoin:
{
Id = Int32.Parse(message[1]);
Player.Id = Id;
Console.WriteLine("Player id set to: " + Id);
if (Id == -1)
{
Console.WriteLine("Server is full.");
Environment.Exit(0);
}
break;
}
default:
{
Console.WriteLine("Received message was invalid.");
break;
}
}
ServerSetDrawChar(DrawChar);
ServerSetColor(DrawColor);
ServerSetPlayerName(PlayerName);
World.CharTiles = ServerGetTiles();
Console.ReadKey(true);
}
public static void Update()
{
World.Update();
int clientCount = ConnectedClients.Count(c => c != null);
//Console.WriteLine("Server client count: " + clientCount);
foreach (Client c in ConnectedClients)
{
if (c == null)
{
continue;
}
TcpClient tcpClient = c.TcpClient;
if (!tcpClient.GetStream().DataAvailable)
{
continue;
}
string message = NetHelper.ReceiveMessageFrom(tcpClient);
string[] messages = message.Split(Headers.SplitChar);
int dataType = int.Parse(messages[0]);
switch (dataType)
{
case (int)Headers.DataType.RequestData:
{
int requestType = int.Parse(messages[1]);
switch (requestType)
{
case (int)Headers.RequestDataType.GetPlayerPosition:
{
int id = int.Parse(messages[2]);
string posMessage = NetHelper.BuildRequestString(ConnectedClients[id].Player.Position.X, ConnectedClients[id].Player.Position.Y);
NetHelper.SendMessageTo(tcpClient, posMessage);
break;
}
case (int)Headers.RequestDataType.GetPlayersInfo: // Send players position and draw character in the form of: id:x:y:drawChar:drawColor:name.
{
string msg = string.Empty;
foreach (Client _c in ConnectedClients)
{
if (_c == null)
{
continue;
}
msg += _c.Id + ":" + _c.Player.Position.X + ":" + _c.Player.Position.Y + ":" + (int)_c.Player.DrawChar + ":" + (int)_c.Player.Drawable.Color + ":" + _c.Player.Name + Headers.SplitChar;
}
NetHelper.SendMessageTo(tcpClient, msg);
break;
}
case (int)Headers.RequestDataType.GetFreeSlot:
{
bool sendFull = true;
for (int i = 0; i < ConnectedClients.Length; i++)
{
Client _c = ConnectedClients[i];
if (_c == null)
{
// Send i to tcpClient.
NetHelper.SendMessageTo(tcpClient,
(int)Headers.DataType.RequestJoin + Headers.SplitChar.ToString() + (int)MathHelper.Clamp(i - 1, 0, int.MaxValue));
sendFull = false;
break;
}
}
if (sendFull)
{
NetHelper.SendMessageTo(tcpClient, (int)Headers.DataType.RequestJoin + ";-1");
}
break;
}
case (int)Headers.RequestDataType.GetWorldTiles:
{
string msg = "";
foreach (Drawable d in World.CharTiles)
{
msg += d.Position.X + ":" + d.Position.Y + ":" + (int)d.DrawChar + ":" + (int)d.Color + Headers.SplitChar;
}
NetHelper.SendMessageTo(tcpClient, msg);
break;
}
}
break;
}
case (int)Headers.DataType.SetPlayerPosition:
{
int id = int.Parse(messages[1]);
int x = int.Parse(messages[2]);
int y = int.Parse(messages[3]);
int success = 1;
// Collision check with console buffer size.
if (x >= 0 && y >= 0 && x < Console.BufferWidth && y < Console.BufferHeight)
{
foreach (Client client in ConnectedClients)
{
if (client == null)
{
continue;
}
// Collision check with other players.
if (client.Player.Position == new Vector2(x, y))
{
success = 0;
}
}
// Collision check with world.
if (!(x >= World.Width || y >= World.Height))
{
if (World.CharTiles[x + y * World.Width].DrawChar != ' ')
{
success = 0;
}
}
else
{
success = 0;
}
}
else
{
success = 0;
}
if (success == 1)
{
ConnectedClients[id].Player.Position = new Vector2(x, y);
NetHelper.SendMessageTo(tcpClient, "1");
}
else
{
NetHelper.SendMessageTo(tcpClient, "0");
}
break;
}
case (int)Headers.DataType.SetPlayerChar:
{
int id = int.Parse(messages[1]);
char charSet = (char)int.Parse(messages[2]);
if (charSet != Headers.SplitChar)
{
ConnectedClients[id].Player.DrawChar = charSet;
NetHelper.SendMessageTo(tcpClient, "1");
}
else
{
NetHelper.SendMessageTo(tcpClient, "0");
}
break;
}
case (int)Headers.DataType.SetPlayerColor:
{
int id = int.Parse(messages[1]);
ConsoleColor color = (ConsoleColor)int.Parse(messages[2]);
ConnectedClients[id].Player.Drawable.Color = color;
NetHelper.SendMessageTo(tcpClient, "1");
break;
}
case (int)Headers.DataType.SetPlayerName:
{
int id = int.Parse(messages[1]);
string name = messages[2];
ConnectedClients[id].Player.Name = name;
NetHelper.SendMessageTo(tcpClient, "1");
Console.WriteLine("Set name to: " + name);
break;
}
case (int)Headers.DataType.SendChatMessage:
{
int id = int.Parse(messages[1]);
string msg = messages[2];
ConsoleColor color = (ConsoleColor)int.Parse(messages[3]);
if (msg.Contains(Headers.SplitChar))
{
continue;
}
foreach (Client _c in ConnectedClients)
{
if (_c == null)
{
continue;
}
NetHelper.SendMessageTo(_c.TcpClient,
NetHelper.BuildRequestString((int)Headers.DataType.SendChatMessage, _c.Id) + msg +
Headers.SplitChar + (int)color);
}
break;
}
default:
{
Console.WriteLine("Unknown data type recieved: " + dataType + ".");
break;
}
}
}
}
private static void StartListening()
{
_listenThread = new Thread(delegate()
{
while (Listening)
{
TcpClient connection = _listener.AcceptTcpClient();
string message;
while (true)
{
message = NetHelper.ReceiveMessageFrom(connection);
if (message != string.Empty)
{
break;
}
}
if (message.Contains("User-Agent")) // Is a browser, send back a message.
{
string send = "<body bgcolor=\"#808080\"><div style=\"margin-left:auto; margin-right:auto;\"><h1 style=\"text-align:center;\">Nope.</h1></div></body>";
connection.GetStream().Write(Encoding.Unicode.GetBytes(send), 0, Encoding.ASCII.GetBytes(send).Length);
connection.GetStream().Close();
connection.Close();
continue;
}
if (message == "1") // Is server, don't add to client list.
{
continue;
}
else
{
NetHelper.SendMessageTo(connection, "OK");
}
if (Server.ConnectedClients == null)
{
continue;
}
int slot = 0;
for (int i = 0; i < Server.ConnectedClients.Length; i++)
{
Client c = Server.ConnectedClients[i];
if (c == null)
{
slot = i;
break;
}
}
Server.ConnectedClients[slot] = new Client(connection, slot, slot == 0);
Console.WriteLine("Client connected from " + connection.Client.RemoteEndPoint + ".");
Console.WriteLine("Total clients connected: " + Server.GetConnectedClientsCount() + "/" +
Server.ConnectedClients.Length);
}
});
_listenThread.Start();
}