public static void SendNewPlayerResponses(List<Client> clients, WorldMap world, int id, bool json)
{
var newPlayer = clients.Single(c => c.Player.PlayerId == id);
foreach (var client in clients)
{
if (client.Player.PlayerId == id)
{
var data = string.Empty;
if (json)
{
var tiles = new List<Tile>();
foreach (var tile in world.GameMap)
{
if (tile.HasGold || tile.HasHealth)
tiles.Add(tile);
}
var dataObject = new SendState(clients.Select(c => c.Player).ToList(), tiles);
data = $"WAP/1.0 SENDSTATE {SerializationFunctions.SerializeObject(dataObject)}";
}
else
{
var worldBuilder = new StringBuilder("WAP/1.0 SENDSTATE");
AddWorld(clients, world, worldBuilder);
worldBuilder.Append(';');
data = worldBuilder.ToString();
}
NetHelpers.SendString(data, client.Socket);
}
else
{
if (json)
{
NetHelpers.SendString($"WAP/1.0 NEWPLAYER {SerializationFunctions.SerializeObject(newPlayer.Player)};", client.Socket);
}
else
{
NetHelpers.SendString($"WAP/1.0 NEWPLAYER {newPlayer.Player.Name},{newPlayer.Player};", client.Socket);
}
}
}
}
static void Main()
{
Console.Write("Enter server name: ");
var serverName = Console.ReadLine();
if (serverName.Contains(' '))
throw new Exception("Server name cannot contain spaces.");
Console.Write("Use (T)ext or (J)son? ");
ConsoleKey keyResponse;
do
{
keyResponse = Console.ReadKey().Key;
} while (keyResponse != ConsoleKey.T && keyResponse != ConsoleKey.J);
var json = keyResponse == ConsoleKey.J;
Console.WriteLine();
Console.WriteLine("Initiating...");
Initiator.AutoMapperConfig();
Console.WriteLine("Creating new game...");
var world = new WorldMap();
Console.WriteLine("Starting server...");
Socket listeningSocket = null;
var clients = new List<Client>();
var responseQueue = new Queue<Response>();
var unconfirmedConnections = new List<Socket>();
var currentPlayerIndex = 0;
//try
//{
listeningSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
listeningSocket.Bind(localEndPoint);
listeningSocket.Listen(LISTENERBACKLOG);
Console.WriteLine("Informing master server...");
using (Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
socket.Connect(IPAddress.Loopback, MASTERPORT);
NetHelpers.SendString($"WAMP/1.0 ADD {serverName} {PORT}", socket);
socket.Shutdown(SocketShutdown.Both);
}
Console.WriteLine($"WWAServer is listening on {listeningSocket.LocalEndPoint}. Press Q to quit.");
while (true)
{
if (Console.KeyAvailable && Console.ReadKey().Key == ConsoleKey.Q)
break;
// Check for dead connections
for (int i = 0; i < unconfirmedConnections.Count; i++)
{
if (IsDisconnected(unconfirmedConnections[i]))
{
Console.WriteLine($"{unconfirmedConnections[i].RemoteEndPoint} disconnected.");
unconfirmedConnections[i].Close();
unconfirmedConnections.RemoveAt(i--);
}
}
for (int i = 0; i < clients.Count; i++)
{
if (IsDisconnected(clients[i].Socket))
{
Console.WriteLine($"{clients[i].Socket.RemoteEndPoint} ({clients[i].Player.Name}) disconnected.");
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.REMOVEPLAYER, IdParam = clients[i].Player.PlayerId });
clients[i].Socket.Close();
clients.RemoveAt(i--);
if (clients.Count <= currentPlayerIndex)
{
currentPlayerIndex = 0;
UpdateMap(world, clients, responseQueue, json);
}
}
}
// Check for new logins
if (clients.Count < 5)
{
for (int i = 0; i < unconfirmedConnections.Count; i++)
{
var connection = unconfirmedConnections[i];
if (connection.Available > 0)
{
var buffer = new byte[BUFFERLENGTH];
var bytesReceived = connection.Receive(buffer);
var command = encoding.GetString(buffer, 0, bytesReceived);
command = command.TrimEnd(';');
string[] parts;
// Ignore any command that is not LOGIN
if (command.StartsWith("WAP/1.0 LOGIN") && (parts = command.Split(' ')).Length == 4)
{
var name = parts[2];
var password = parts[3];
var model = _repository.GetByName(parts[2]);
Player player = null;
if (model == null) //Finns inte i databasen
{
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.WELCOME, Socket = connection });
player = new Player(GetFirstFreeId(clients), name, 100, 10, 0, world.GetRandomFreeCoords(clients));
model = Initiator.Mapper.Map<PlayerModel>(player);
model.Password = password;
model.LastLogin = DateTime.Now;
_repository.Add(model);
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.NEWPLAYER, IdParam = player.PlayerId });
clients.Add(new Client { Player = player, Socket = connection });
unconfirmedConnections.RemoveAt(i--);
if (clients.Count == 2)
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.YOURTURN, IdParam = clients[currentPlayerIndex].Player.PlayerId });
Console.WriteLine($"{connection.RemoteEndPoint} created player {player.Name}");
}
else //Finns i databasen
{
if (clients.Select(c => c.Player.Name).Contains(model.Name))
{
Console.WriteLine($"{connection.RemoteEndPoint} tried to log in with {model.Name} already in game");
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.DENIED, Socket = connection, StringParam = "LOGIN Player already in game" });
}
else if (model.Password == password)
{
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.WELCOME, Socket = connection });
model.LastLogin = DateTime.Now;
_repository.Update(model);
player = Initiator.Mapper.Map<Player>(model);
player.Coordinates = world.GetRandomFreeCoords(clients);
player.PlayerId = GetFirstFreeId(clients);
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.NEWPLAYER, IdParam = player.PlayerId });
clients.Add(new Client { Player = player, Socket = connection });
unconfirmedConnections.RemoveAt(i--);
if (clients.Count == 2)
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.YOURTURN, IdParam = clients[currentPlayerIndex].Player.PlayerId });
Console.WriteLine($"{connection.RemoteEndPoint} logged in as {player.Name}");
}
else
{
Console.WriteLine($"{connection.RemoteEndPoint} failed password for {model.Name}");
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.DENIED, Socket = connection, StringParam = "LOGIN Wrong password" });
}
}
}
}
}
}
// Accept new connections
if (unconfirmedConnections.Count < 20 && listeningSocket.Poll(1000, SelectMode.SelectRead))
{
var newConnection = listeningSocket.Accept();
Console.WriteLine($"New connection accepted from {newConnection.RemoteEndPoint}");
unconfirmedConnections.Add(newConnection);
}
// Get player commands
foreach (var client in clients)
{
if (client.Socket.Available > 0)
{
var buffer = new byte[BUFFERLENGTH];
var bytesReceived = client.Socket.Receive(buffer);
var command = encoding.GetString(buffer, 0, bytesReceived);
//Console.WriteLine($"{command} <- {client.Socket.RemoteEndPoint}");
command = command.TrimEnd(';');
string[] parts = command.Split(' ');
if (parts.Length < 2 || parts[0] != "WAP/1.0")
continue;
switch (parts[1])
{
case "MOVE":
if (clients.IndexOf(client) != currentPlayerIndex || clients.Count < 2)
{
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.DENIED, Socket = client.Socket, StringParam = "MOVE Not your turn" });
}
else if (parts.Length < 3)
{
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.DENIED, Socket = client.Socket, StringParam = "MOVE invalid direction" });
}
else
{
var result = world.MovePlayer(client.Player, parts[2], clients);
switch (result.MoveResult)
{
case MoveResult.Fail:
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.DENIED, Socket = client.Socket, StringParam = "MOVE You cannot move that way" });
break;
case MoveResult.Success:
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.UPDATEPLAYER, IdParam = client.Player.PlayerId });
break;
case MoveResult.Gold:
case MoveResult.Potion:
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.UPDATETILE, StringParam = EncodeTile(world, client.Player.Coordinates, json) });
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.UPDATEPLAYER, IdParam = client.Player.PlayerId });
UpdateDbStats(_repository, client.Player);
break;
case MoveResult.Player:
if (result.Player.Health <= 0)
{
world.GameMap[result.Player.Coordinates.X, result.Player.Coordinates.Y].Gold = result.Player.Gold;
result.Player.Gold = 0;
result.Player.Coordinates = world.GetRandomFreeCoords(clients);
result.Player.Health = 100;
result.Player.IsDead = false;
}
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.UPDATEPLAYER, IdParam = result.Player.PlayerId });
UpdateDbStats(_repository, result.Player);
break;
}
if (result.MoveResult != MoveResult.Fail)
{
if (++currentPlayerIndex >= clients.Count)
{
currentPlayerIndex = 0;
UpdateMap(world, clients, responseQueue, json);
}
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.YOURTURN, IdParam = clients[currentPlayerIndex].Player.PlayerId });
}
}
break;
case "MESSAGE":
if (parts.Length < 3)
{
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.DENIED, Socket = client.Socket, StringParam = "MESSAGE Malformed message" });
}
else
{
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.MESSAGE, IdParam = client.Player.PlayerId, StringParam = command.Substring("WAP/1.0 MESSAGE ".Length) });
}
break;
}
}
}
// Fire off responses
while (responseQueue.Count > 0)
{
var response = responseQueue.Dequeue();
switch (response.ResponseType)
{
case Response.MessageType.NEWPLAYER:
Response.SendNewPlayerResponses(clients, world, response.IdParam, json);
break;
case Response.MessageType.DENIED:
Response.SendDeniedResponse(clients, response.Socket, response.StringParam);
break;
case Response.MessageType.REMOVEPLAYER:
Response.SendRemovePlayerResponse(clients, response.IdParam);
break;
case Response.MessageType.UPDATETILE:
Response.SendUpdateTile(clients, response.StringParam);
break;
case Response.MessageType.YOURTURN:
Response.SendYourTurn(clients, response.IdParam);
break;
case Response.MessageType.UPDATEPLAYER:
Response.SendUpdatePlayer(clients, response.IdParam, json);
break;
case Response.MessageType.MESSAGE:
Response.SendMessage(clients, response.IdParam, response.StringParam);
break;
case Response.MessageType.WELCOME:
Response.SendWelcome(response.Socket, json);
break;
}
}
}
// End while
//}
//catch (Exception exception)
//{
// Console.WriteLine(exception.Message);
// Console.ReadLine();
//}
//finally
//{
// listeningSocket?.Close();
//}
using (Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
socket.Connect(IPAddress.Loopback, MASTERPORT);
NetHelpers.SendString($"WAMP/1.0 REMOVE {PORT}", socket);
socket.Shutdown(SocketShutdown.Both);
}
}
private static string EncodeTile(WorldMap world, Coords coords, bool json)
{
return json ? SerializationFunctions.SerializeObject(world.GameMap[coords.X, coords.Y]) : world.GameMap[coords.X, coords.Y].ToString();
}
private static void UpdateMap(WorldMap world, List<Client> clients, Queue<Response> responseQueue, bool json)
{
if (RandomizationFunctions.Chance(15))
{
var coords = world.PlaceGold(clients);
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.UPDATETILE, StringParam = EncodeTile(world, coords, json) });
}
if (RandomizationFunctions.Chance(95))
{
var coords = world.CreatePotion(clients);
responseQueue.Enqueue(new Response { ResponseType = Response.MessageType.UPDATETILE, StringParam = EncodeTile(world, coords, json) });
}
}
private static void AddWorld(List<Client> clients, WorldMap world, StringBuilder stringBuilder)
{
foreach (var client in clients)
{
var player = client.Player;
stringBuilder.Append(
$" Pl,{player.Name},{player.PlayerId},{player.Coordinates.X},{player.Coordinates.Y},{player.Health},{player.Gold}");
}
foreach (var tile in world.GameMap)
{
if (tile.HasGold)
stringBuilder.Append($" G,{tile.X},{tile.Y},{tile.Gold}");
if (tile.HasHealth)
stringBuilder.Append($" P,{tile.X},{tile.Y},{tile.Health}");
}
}
static void Main()
{
Console.Write("Enter server name: ");
var serverName = Console.ReadLine();
if (serverName.Contains(' '))
{
throw new Exception("Server name cannot contain spaces.");
}
Console.Write("Use (T)ext or (J)son? ");
ConsoleKey keyResponse;
do
{
keyResponse = Console.ReadKey().Key;
} while (keyResponse != ConsoleKey.T && keyResponse != ConsoleKey.J);
var json = keyResponse == ConsoleKey.J;
Console.WriteLine();
Console.WriteLine("Initiating...");
Initiator.AutoMapperConfig();
Console.WriteLine("Creating new game...");
var world = new WorldMap();
Console.WriteLine("Starting server...");
Socket listeningSocket = null;
var clients = new List <Client>();
var responseQueue = new Queue <Response>();
var unconfirmedConnections = new List <Socket>();
var currentPlayerIndex = 0;
//try
//{
listeningSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
listeningSocket.Bind(localEndPoint);
listeningSocket.Listen(LISTENERBACKLOG);
Console.WriteLine("Informing master server...");
using (Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
socket.Connect(IPAddress.Loopback, MASTERPORT);
NetHelpers.SendString($"WAMP/1.0 ADD {serverName} {PORT}", socket);
socket.Shutdown(SocketShutdown.Both);
}
Console.WriteLine($"WWAServer is listening on {listeningSocket.LocalEndPoint}. Press Q to quit.");
while (true)
{
if (Console.KeyAvailable && Console.ReadKey().Key == ConsoleKey.Q)
{
break;
}
// Check for dead connections
for (int i = 0; i < unconfirmedConnections.Count; i++)
{
if (IsDisconnected(unconfirmedConnections[i]))
{
Console.WriteLine($"{unconfirmedConnections[i].RemoteEndPoint} disconnected.");
unconfirmedConnections[i].Close();
unconfirmedConnections.RemoveAt(i--);
}
}
for (int i = 0; i < clients.Count; i++)
{
if (IsDisconnected(clients[i].Socket))
{
Console.WriteLine($"{clients[i].Socket.RemoteEndPoint} ({clients[i].Player.Name}) disconnected.");
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.REMOVEPLAYER, IdParam = clients[i].Player.PlayerId
});
clients[i].Socket.Close();
clients.RemoveAt(i--);
if (clients.Count <= currentPlayerIndex)
{
currentPlayerIndex = 0;
UpdateMap(world, clients, responseQueue, json);
}
}
}
// Check for new logins
if (clients.Count < 5)
{
for (int i = 0; i < unconfirmedConnections.Count; i++)
{
var connection = unconfirmedConnections[i];
if (connection.Available > 0)
{
var buffer = new byte[BUFFERLENGTH];
var bytesReceived = connection.Receive(buffer);
var command = encoding.GetString(buffer, 0, bytesReceived);
command = command.TrimEnd(';');
string[] parts;
// Ignore any command that is not LOGIN
if (command.StartsWith("WAP/1.0 LOGIN") && (parts = command.Split(' ')).Length == 4)
{
var name = parts[2];
var password = parts[3];
var model = _repository.GetByName(parts[2]);
Player player = null;
if (model == null) //Finns inte i databasen
{
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.WELCOME, Socket = connection
});
player = new Player(GetFirstFreeId(clients), name, 100, 10, 0, world.GetRandomFreeCoords(clients));
model = Initiator.Mapper.Map <PlayerModel>(player);
model.Password = password;
model.LastLogin = DateTime.Now;
_repository.Add(model);
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.NEWPLAYER, IdParam = player.PlayerId
});
clients.Add(new Client {
Player = player, Socket = connection
});
unconfirmedConnections.RemoveAt(i--);
if (clients.Count == 2)
{
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.YOURTURN, IdParam = clients[currentPlayerIndex].Player.PlayerId
});
}
Console.WriteLine($"{connection.RemoteEndPoint} created player {player.Name}");
}
else //Finns i databasen
{
if (clients.Select(c => c.Player.Name).Contains(model.Name))
{
Console.WriteLine($"{connection.RemoteEndPoint} tried to log in with {model.Name} already in game");
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.DENIED, Socket = connection, StringParam = "LOGIN Player already in game"
});
}
else if (model.Password == password)
{
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.WELCOME, Socket = connection
});
model.LastLogin = DateTime.Now;
_repository.Update(model);
player = Initiator.Mapper.Map <Player>(model);
player.Coordinates = world.GetRandomFreeCoords(clients);
player.PlayerId = GetFirstFreeId(clients);
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.NEWPLAYER, IdParam = player.PlayerId
});
clients.Add(new Client {
Player = player, Socket = connection
});
unconfirmedConnections.RemoveAt(i--);
if (clients.Count == 2)
{
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.YOURTURN, IdParam = clients[currentPlayerIndex].Player.PlayerId
});
}
Console.WriteLine($"{connection.RemoteEndPoint} logged in as {player.Name}");
}
else
{
Console.WriteLine($"{connection.RemoteEndPoint} failed password for {model.Name}");
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.DENIED, Socket = connection, StringParam = "LOGIN Wrong password"
});
}
}
}
}
}
}
// Accept new connections
if (unconfirmedConnections.Count < 20 && listeningSocket.Poll(1000, SelectMode.SelectRead))
{
var newConnection = listeningSocket.Accept();
Console.WriteLine($"New connection accepted from {newConnection.RemoteEndPoint}");
unconfirmedConnections.Add(newConnection);
}
// Get player commands
foreach (var client in clients)
{
if (client.Socket.Available > 0)
{
var buffer = new byte[BUFFERLENGTH];
var bytesReceived = client.Socket.Receive(buffer);
var command = encoding.GetString(buffer, 0, bytesReceived);
//Console.WriteLine($"{command} <- {client.Socket.RemoteEndPoint}");
command = command.TrimEnd(';');
string[] parts = command.Split(' ');
if (parts.Length < 2 || parts[0] != "WAP/1.0")
{
continue;
}
switch (parts[1])
{
case "MOVE":
if (clients.IndexOf(client) != currentPlayerIndex || clients.Count < 2)
{
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.DENIED, Socket = client.Socket, StringParam = "MOVE Not your turn"
});
}
else if (parts.Length < 3)
{
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.DENIED, Socket = client.Socket, StringParam = "MOVE invalid direction"
});
}
else
{
var result = world.MovePlayer(client.Player, parts[2], clients);
switch (result.MoveResult)
{
case MoveResult.Fail:
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.DENIED, Socket = client.Socket, StringParam = "MOVE You cannot move that way"
});
break;
case MoveResult.Success:
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.UPDATEPLAYER, IdParam = client.Player.PlayerId
});
break;
case MoveResult.Gold:
case MoveResult.Potion:
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.UPDATETILE, StringParam = EncodeTile(world, client.Player.Coordinates, json)
});
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.UPDATEPLAYER, IdParam = client.Player.PlayerId
});
UpdateDbStats(_repository, client.Player);
break;
case MoveResult.Player:
if (result.Player.Health <= 0)
{
world.GameMap[result.Player.Coordinates.X, result.Player.Coordinates.Y].Gold = result.Player.Gold;
result.Player.Gold = 0;
result.Player.Coordinates = world.GetRandomFreeCoords(clients);
result.Player.Health = 100;
result.Player.IsDead = false;
}
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.UPDATEPLAYER, IdParam = result.Player.PlayerId
});
UpdateDbStats(_repository, result.Player);
break;
}
if (result.MoveResult != MoveResult.Fail)
{
if (++currentPlayerIndex >= clients.Count)
{
currentPlayerIndex = 0;
UpdateMap(world, clients, responseQueue, json);
}
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.YOURTURN, IdParam = clients[currentPlayerIndex].Player.PlayerId
});
}
}
break;
case "MESSAGE":
if (parts.Length < 3)
{
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.DENIED, Socket = client.Socket, StringParam = "MESSAGE Malformed message"
});
}
else
{
responseQueue.Enqueue(new Response {
ResponseType = Response.MessageType.MESSAGE, IdParam = client.Player.PlayerId, StringParam = command.Substring("WAP/1.0 MESSAGE ".Length)
});
}
break;
}
}
}
// Fire off responses
while (responseQueue.Count > 0)
{
var response = responseQueue.Dequeue();
switch (response.ResponseType)
{
case Response.MessageType.NEWPLAYER:
Response.SendNewPlayerResponses(clients, world, response.IdParam, json);
break;
case Response.MessageType.DENIED:
Response.SendDeniedResponse(clients, response.Socket, response.StringParam);
break;
case Response.MessageType.REMOVEPLAYER:
Response.SendRemovePlayerResponse(clients, response.IdParam);
break;
case Response.MessageType.UPDATETILE:
Response.SendUpdateTile(clients, response.StringParam);
break;
case Response.MessageType.YOURTURN:
Response.SendYourTurn(clients, response.IdParam);
break;
case Response.MessageType.UPDATEPLAYER:
Response.SendUpdatePlayer(clients, response.IdParam, json);
break;
case Response.MessageType.MESSAGE:
Response.SendMessage(clients, response.IdParam, response.StringParam);
break;
case Response.MessageType.WELCOME:
Response.SendWelcome(response.Socket, json);
break;
}
}
}
// End while
//}
//catch (Exception exception)
//{
// Console.WriteLine(exception.Message);
// Console.ReadLine();
//}
//finally
//{
// listeningSocket?.Close();
//}
using (Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
socket.Connect(IPAddress.Loopback, MASTERPORT);
NetHelpers.SendString($"WAMP/1.0 REMOVE {PORT}", socket);
socket.Shutdown(SocketShutdown.Both);
}
}
private static string EncodeTile(WorldMap world, Coords coords, bool json)
{
return(json ? SerializationFunctions.SerializeObject(world.GameMap[coords.X, coords.Y]) : world.GameMap[coords.X, coords.Y].ToString());
}