private void CommandRecieved(object sender, CommandEventArgs e)
{
if (e.Command.CommandType == CommandType.UserDataInform)
{
client.Wins = int.Parse(e.Command.Data.Split(':')[0]);
client.Losses = int.Parse(e.Command.Data.Split(':')[1]);
}
if (e.Command.CommandType == CommandType.UsernameRequest)
{
if (e.Command.Data.ToLower() == "false")
{
client.SignOut();
MessageBox.Show("Username already in use!", "Invalid Username", MessageBoxButtons.OK);
client.Disconnect();
}
else if (e.Command.Data.ToLower() == "true")
{
client.CommandRecieved -= CommandRecieved;
if (InvokeRequired)
{
BeginInvoke(new MethodInvoker(delegate
{
chat = new ChatForm(ref client, this);
chat.Show();
Hide();
}));
}
else
{
chat = new ChatForm(ref client, this);
chat.Show();
Hide();
}
}
}
}
private void CommandRecieved(object sender, CommandEventArgs e)
{
if (e.Command.SenderName != client.Username)
{
//Recieving a chat message
if (e.Command.CommandType == CommandType.Message)
{
rtbChat.AppendText(e.Command.SenderName.ToString() + ": " + e.Command.Data);
}
//Notify of user connecting
if (e.Command.CommandType == CommandType.UserConnected)
{
clientList.Add(e.Command.Data);
string username = e.Command.Data.Split(':')[2];
rtbChat.AppendText(username + " has connected." + Environment.NewLine);
lstUsers.Items.Add(username);
}
//Notify of user disconnecting
if (e.Command.CommandType == CommandType.UserDisconnected)
{
string username = e.Command.Data.Split(':')[2];
for (int i = 0; i < lstUsers.Items.Count; i++)
{
if ((string)lstUsers.Items[i] == username)
{
lstUsers.Items.RemoveAt(i);
break;
}
}
for (int i = 0; i < clientList.Count; i++)
{
if (clientList[i] == e.Command.Data)
{
clientList.RemoveAt(i);
}
}
rtbChat.AppendText(username + " has disconnected." + Environment.NewLine);
}
}
//Update client list when recieved - Outside self message check to enable server to inform client of it's existence
if (e.Command.CommandType == CommandType.ClientListRequest)
{
string[] clients = Array.ConvertAll(e.Command.Data.Split(','), p => p.Trim());
lstUsers.Items.Clear();
for (int i = 0; i < clients.Length; i++)
{
if (clients[i] != "")
{
string username = clients[i].Split(':')[2];
lstUsers.Items.Add(username);
clientList.Add(clients[i]);
}
}
}
if (e.Command.CommandType == CommandType.ChallengeRequest)
{
if (activeChallenge == false)
{
string data = e.Command.Data;
DialogResult dr = MessageBox.Show(e.Command.SenderName + " has challenged you!" + Environment.NewLine
+ "Wins: " + int.Parse(data.Split(':')[0]) + Environment.NewLine
+ "Losses: " + int.Parse(data.Split(':')[1]) + Environment.NewLine
+ "Do You accept?", "You have been challenged!", MessageBoxButtons.YesNo);
if (dr == DialogResult.Yes)
{
activeChallenge = true;
//Accept the request
Command cmd = new Command(CommandType.ChallengeResponse, e.Command.SenderIP, "true");
cmd.TargetPort = e.Command.SenderPort;
cmd.SenderIP = client.IP;
cmd.SenderName = client.Username;
cmd.SenderPort = client.Port;
client.SendCommand(cmd);
}
else
{
//Reject the request
Command cmd = new Command(CommandType.ChallengeResponse, e.Command.SenderIP, "false");
cmd.TargetPort = e.Command.SenderPort;
cmd.SenderIP = client.IP;
cmd.SenderName = client.Username;
cmd.SenderPort = client.Port;
client.SendCommand(cmd);
}
}
}
if (e.Command.CommandType == CommandType.ChallengeResponse)
{
if (e.Command.Data.ToString().ToLower() == "true")
{
//Challenge Accepted
Command cmd = new Command(CommandType.GameStartRequest, client.ServerIP, e.Command.SenderIP + ":" + e.Command.SenderPort);
cmd.TargetPort = client.ServerPort;
cmd.SenderIP = client.IP;
cmd.SenderPort = client.Port;
cmd.SenderName = client.Username;
client.SendCommand(cmd);
}
else
{
//challenge Rejected
activeChallenge = false;
rtbChat.AppendText("Your game challenge was rejected." + Environment.NewLine);
}
}
if (e.Command.CommandType == CommandType.GameIDInform)
{
activeGameID = int.Parse(e.Command.Data);
if (InvokeRequired)
{
BeginInvoke(new MethodInvoker(delegate
{
gameForm = new BattleshipGameForm(ref client, activeGameID);
gameForm.Show();
gameForm.FormClosed += new FormClosedEventHandler(GameForm_Closed);
}));
}
else
{
gameForm = new BattleshipGameForm(ref client, activeGameID);
gameForm.Show();
gameForm.FormClosed += new FormClosedEventHandler(GameForm_Closed);
}
}
if (e.Command.CommandType == CommandType.UserDataInform)
{
ConfirmChallenge(e.Command);
}
}
public void GameCommandRecieved(object sender, CommandEventArgs e)
{
if (e.Command.CommandType == CommandType.GameStartInform)
{
if (e.Command.Data.ToLower() == "true")
{
myTurn = true;
rtbLog.AppendText("It is your turn to shoot first, please select a position within enemy waters" + Environment.NewLine);
//btnFire.Enabled = true;
}
else if (e.Command.Data.ToLower() == "false")
{
myTurn = false;
btnFire.Enabled = false;
rtbLog.AppendText("It is your opponent's turn to shoot first. Waiting for response..." + Environment.NewLine);
}
}
if (e.Command.CommandType == CommandType.GameShotResult)
{
if (e.Command.Data.ToLower().Equals("hit"))
{
//Deal with hits
rtbLog.AppendText("Your shot hit!" + Environment.NewLine);
pictureBox = (PictureBox)EnemyGrid.GetControlFromPosition(gridTarget.x, gridTarget.y);
pictureBox.Image = Properties.Resources.ShipHit;
pictureBox.Tag = "ShipHit";
btnFire.Enabled = false;
myTurn = false;
rtbLog.AppendText("It is your opponent's turn to shoot." + Environment.NewLine);
}
else if (e.Command.Data.ToLower().Equals("miss"))
{
//deal with misses
rtbLog.AppendText("Your shot missed!" + Environment.NewLine);
pictureBox = (PictureBox)EnemyGrid.GetControlFromPosition(gridTarget.x, gridTarget.y);
pictureBox.Image = Properties.Resources.WaterMiss;
pictureBox.Tag = "WaterMiss";
btnFire.Enabled = false;
myTurn = false;
rtbLog.AppendText("It is your opponent's turn to shoot." + Environment.NewLine);
}
}
if (e.Command.CommandType == CommandType.GameHitInform)
{
rtbLog.AppendText("One of your ships has been hit!" + Environment.NewLine);
gridTarget.x = int.Parse(e.Command.Data.Split(',')[0]);
gridTarget.y = int.Parse(e.Command.Data.Split(',')[1]);
pictureBox = (PictureBox)PlayerGrid.GetControlFromPosition(gridTarget.x, gridTarget.y);
pictureBox.Image = Properties.Resources.ShipHit;
myTurn = true;
rtbLog.AppendText("It is your turn to shoot." + Environment.NewLine);
}
if (e.Command.CommandType == CommandType.GameMissInform)
{
rtbLog.AppendText("Your opponent missed your fleet!" + Environment.NewLine);
gridTarget.x = int.Parse(e.Command.Data.Split(',')[0]);
gridTarget.y = int.Parse(e.Command.Data.Split(',')[1]);
pictureBox = (PictureBox)PlayerGrid.GetControlFromPosition(gridTarget.x, gridTarget.y);
pictureBox.Image = Properties.Resources.WaterMiss;
myTurn = true;
rtbLog.AppendText("It is your turn to shoot." + Environment.NewLine);
}
if (e.Command.CommandType == CommandType.GameOverInform)
{
if (e.Command.Data.ToLower() == "win")
{
Command cmdInform = new Command(CommandType.GameOverInform, client.ServerIP, gameID + ":" + "win");
cmdInform.TargetPort = client.ServerPort;
cmdInform.SenderIP = client.IP;
cmdInform.SenderPort = client.Port;
cmdInform.SenderName = client.Username;
client.Wins++;
client.SendCommand(cmdInform);
MessageBox.Show("Congratulations " + client.Username + " you have won the game!" + Environment.NewLine + "Closing this dialog will close the game window.", "Winner!", MessageBoxButtons.OK);
Close();
}
else if (e.Command.Data.ToLower() == "loss")
{
Command cmdInform = new Command(CommandType.GameOverInform, client.ServerIP, gameID + ":" + "loss");
cmdInform.TargetPort = client.ServerPort;
cmdInform.SenderIP = client.IP;
cmdInform.SenderPort = client.Port;
cmdInform.SenderName = client.Username;
client.Losses++;
client.SendCommand(cmdInform);
MessageBox.Show("Sorry " + client.Username + " you have lost the game." + Environment.NewLine + "Closing this dialog will close the game window.", "Game Lost", MessageBoxButtons.OK);
Close();
}
}
}
protected virtual void OnCommandRecieved(CommandEventArgs e)
{
if (CommandRecieved != null)
CommandRecieved(this, e);
}
public void CommandRecieved(CommandEventArgs e)
{
int clientNo = -1;
if (clients[0].Username == e.Command.SenderName)
{
clientNo = 0;
}
else if (clients[1].Username == e.Command.SenderName)
{
clientNo = 1;
}
if (e.Command.CommandType == CommandType.GameShipRequest)
{
ParseShipData(e.Command.Data.Split(':')[1], clientNo);
PlaceShips(clientNo);
if (client1Board.setupComplete == true && client2Board.setupComplete == true)
{
Command cmd = new Command(CommandType.GameStartInform, e.Command.SenderIP);
cmd.SenderName = "server";
cmd.TargetIP = clients[0].IP;
cmd.TargetPort = clients[0].Port;
cmd.Data = "true";
SendCommandToClient(cmd);
Command cmd2 = new Command(CommandType.GameStartInform, clients[1].IP);
cmd2.SenderName = "server";
cmd2.TargetPort = clients[1].Port;
cmd2.Data = "false";
SendCommandToClient(cmd2);
}
}
if (e.Command.CommandType == CommandType.GameShotRequest)
{
if (CheckForHits(clientNo, e.Command.Data.Split(':')[1]))
{
Command cmd = new Command(CommandType.GameShotResult, clients[clientNo].IP);
cmd.Data = "hit";
cmd.TargetPort = clients[clientNo].Port;
cmd.SenderName = "server";
SendCommandToClient(cmd);
Command cmd2 = new Command(CommandType.GameHitInform, e.Command.TargetIP);
cmd2.SenderName = "server";
cmd2.Data = e.Command.Data.Split(':')[1];
if (clientNo == 0)
{
cmd2.TargetIP = clients[1].IP;
cmd2.TargetPort = clients[1].Port;
}
else if (clientNo == 1)
{
cmd2.TargetIP = clients[0].IP;
cmd2.TargetPort = clients[0].Port;
}
SendCommandToClient(cmd2);
//Check is any ships remain in each board, if a board has no ships remaining then the game is over and that client loses
if (client1Board.AreShipsRemaining() == false)
{
Command winCmd = new Command(CommandType.GameOverInform, clients[1].IP, "win");
winCmd.TargetPort = clients[1].Port;
clients[1].Wins++;
SendCommandToClient(winCmd);
Command lossCmd = new Command(CommandType.GameOverInform, clients[0].IP, "loss");
lossCmd.TargetPort = clients[0].Port;
clients[0].Losses++;
SendCommandToClient(lossCmd);
}
else if (client2Board.AreShipsRemaining() == false)
{
Command winCmd = new Command(CommandType.GameOverInform, clients[0].IP, "win");
winCmd.TargetPort = clients[0].Port;
clients[0].Wins++;
SendCommandToClient(winCmd);
Command lossCmd = new Command(CommandType.GameOverInform, clients[1].IP, "loss");
lossCmd.TargetPort = clients[1].Port;
clients[1].Losses++;
SendCommandToClient(lossCmd);
}
}
else
{
Command cmd = new Command(CommandType.GameShotResult, clients[clientNo].IP);
cmd.Data = "miss";
cmd.TargetPort = clients[clientNo].Port;
cmd.SenderName = "server";
SendCommandToClient(cmd);
Command cmd2 = new Command(CommandType.GameMissInform, e.Command.TargetIP);
cmd2.Data = e.Command.Data.Split(':')[1];
cmd2.SenderName = "server";
if (clientNo == 0)
{
cmd2.TargetIP = clients[1].IP;
cmd2.TargetPort = clients[1].Port;
}
else if (clientNo == 1)
{
cmd2.TargetIP = clients[0].IP;
cmd2.TargetPort = clients[0].Port;
}
SendCommandToClient(cmd2);
}
}
}
private void CommandRecieved(object sender, CommandEventArgs e)
{
//When a user connects set their client username
if (e.Command.CommandType == CommandType.UserConnected)
{
string username = e.Command.Data.Split(':')[2];
Console.WriteLine("Checking for : " + username);
bool nameAvailability = CheckUsernameAvailability(e.Command.SenderIP, e.Command.SenderPort, username);
if (nameAvailability)
{
string data = CheckForClientData(username);
SetClientUsername(e.Command.SenderIP, e.Command.SenderPort, username);
SetClientData(e.Command.SenderIP, e.Command.SenderPort, data);
SendUserStats(e.Command.SenderIP, e.Command.SenderPort, data);
AnswerUsernameRequest(e.Command.SenderIP, e.Command.SenderPort, nameAvailability);
e.Command.Data += (":" + data);
SendCommandToAll(e.Command);
}
else if (nameAvailability == false)
{
AnswerUsernameRequest(e.Command.SenderIP, e.Command.SenderPort, nameAvailability);
}
}
//User asks to disconnect
if (e.Command.CommandType == CommandType.UserDisconnectRequest)
{
int index = FindClientID(e.Command.SenderIP, e.Command.SenderPort);
string clientDetails = clientList[index].IP.ToString() + ":" + clientList[index].Port.ToString() + ":" + clientList[index].Username;
Console.WriteLine("User {0}:{1} ({2}) has disconnected ({3}/{4})", e.Command.SenderIP, e.Command.SenderPort, clientList[index].Username, DateTime.Now.ToShortTimeString(), DateTime.Now.ToLongDateString());
clientList[index].Disconnect();
clientList.RemoveAt(index);
Command cmd = new Command(CommandType.UserDisconnected, IPAddress.Broadcast);
cmd.SenderName = e.Command.SenderName;
cmd.SenderIP = e.Command.SenderIP;
cmd.SenderPort = e.Command.SenderPort;
cmd.Data = clientDetails;
SendCommandToAll(cmd);
}
//Reply to client list request
if (e.Command.CommandType == CommandType.ClientListRequest)
{
SendClientList(e.Command.SenderIP, e.Command.SenderPort);
}
//Sends message commands to all connected clients
if (e.Command.CommandType == CommandType.Message)
{
if (e.Command.TargetIP.Equals(IPAddress.Broadcast))
{
SendCommandToAll(e.Command);
}
else
{
SendCommandToClient(e.Command);
}
}
//Pass challenge request to challenged user
if (e.Command.CommandType == CommandType.ChallengeRequest)
{
int challengerID = FindClientID(e.Command.SenderIP, e.Command.SenderPort);
e.Command.Data = clientList[challengerID].Wins + ":" + clientList[challengerID].Losses;
SendCommandToClient(e.Command);
}
//Pass challenge response to challenger
if (e.Command.CommandType == CommandType.ChallengeResponse)
{
SendCommandToClient(e.Command);
}
//Handle game start request
if (e.Command.CommandType == CommandType.GameStartRequest)
{
IPAddress client2IP = IPAddress.Parse(e.Command.Data.Split(':')[0]);
int client2Port = int.Parse(e.Command.Data.Split(':')[1]);
int client1ID = FindClientID(e.Command.SenderIP, e.Command.SenderPort);
int client2ID = FindClientID(client2IP, client2Port);
BattleshipsGame game = new BattleshipsGame(clientList[client1ID], clientList[client2ID]);
Command cmd = new Command(CommandType.GameIDInform, e.Command.SenderIP, activeGames.Count.ToString());
cmd.SenderName = "server";
cmd.SenderIP = serverIP;
cmd.SenderPort = serverPort;
cmd.TargetPort = e.Command.SenderPort;
SendCommandToClient(cmd);
cmd.TargetIP = client2IP;
cmd.TargetPort = client2Port;
SendCommandToClient(cmd);
activeGames.Add(game);
}
//Handle ShipPlacementRequest
if (e.Command.CommandType == CommandType.GameShipRequest)
{
activeGames[int.Parse(e.Command.Data.Split(':')[0])].CommandRecieved(e);
}
//Handle GameShotRequest
if (e.Command.CommandType == CommandType.GameShotRequest)
{
activeGames[int.Parse(e.Command.Data.Split(':')[0])].CommandRecieved(e);
}
//Handle GameOverInform
if (e.Command.CommandType == CommandType.GameOverInform)
{
activeGames[int.Parse(e.Command.Data.Split(':')[0])].GameOverMessageCount++;
if (activeGames[int.Parse(e.Command.Data.Split(':')[0])].GameOverMessageCount >= 2)
{
PostGameStatisticsUpdate(activeGames[int.Parse(e.Command.Data.Split(':')[0])].Clients);
activeGames.RemoveAt(int.Parse(e.Command.Data.Split(':')[0]));
GC.Collect();
}
}
//Handle user data request
if (e.Command.CommandType == CommandType.UserDataRequest)
{
int ID = FindClientID(e.Command.TargetIP, e.Command.TargetPort);
string data = CheckForClientData(clientList[ID].Username);
Command cmd = new Command(CommandType.UserDataInform, e.Command.SenderIP, data);
cmd.SenderIP = e.Command.TargetIP;
cmd.SenderPort = e.Command.TargetPort;
cmd.SenderName = clientList[ID].Username; //Client username and IPEndpoint data is stored as command sender data
cmd.TargetPort = e.Command.SenderPort;
SendCommandToClient(cmd);
}
}
