private void CheckActivity(object sender, EventArgs e)
{
// Check buffer for TCP messages
try
{
EndPoint localEndPoint = remoteEndPoint;
byte[] ReceiveBuffer = new byte[1024];
int iReceiveByteCount = tcpSocket.connectionSocket.ReceiveFrom(ReceiveBuffer, ref localEndPoint);
byte[] data = new byte[iReceiveByteCount];
Array.Copy(ReceiveBuffer, data, iReceiveByteCount); //make sure byte[] is the same length as the recieved byte[]
// If there is a message deserialize it and pass it into the TCP Message Manager
if (0 < iReceiveByteCount)
{
try
{
GameMessageStruct gameMessage = PDU.DeserializeStruct(data); //convert byte[] to structure so it can be read
TCPMessageManager(gameMessage);
}
catch (Exception error)
{
Console.WriteLine(error.Message);
}
}
}
catch
{
}
}
// Convert array of Bytes into PDU
public static GameMessageStruct DeserializeStruct(byte[] message)
{
// Allocate unmanaged memory
IntPtr ip = Marshal.AllocHGlobal(message.Length);
// Copy the byte to the unmanaged memory
Marshal.Copy(message, 0, ip, message.Length);
// Marshal the unmanaged memory contents to the GameMessageStruct
GameMessageStruct structure = (GameMessageStruct)Marshal.PtrToStructure(ip, typeof(GameMessageStruct));
// Free unmanaged memory
Marshal.FreeHGlobal(ip);
return(structure);
}
private void UpdateTotalTime(object sender, ElapsedEventArgs e)
{
// Shows elasped time the game has lasted
try
{
Invoke(new Action(() =>
{
secTotal += 1;
if (secTotal == 60)
{
secTotal = 0;
minTotal += 1;
}
if (minTotal == 60)
{
// Close Game and set player status to available
MessageBox.Show("Game Time Expired");
try
{
GameMessageStruct gameMessage = new GameMessageStruct {
messageType = 6,
playerName = MainMenu.player.PlayerName,
playerStatus = 0,
};
byte[] data = PDU.SerializeStruct(gameMessage);
tcpSocket.connectionSocket.Send(data, SocketFlags.None);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
BtnLeave_Click(sender, e);
}
// Format timer
lblTotalTimer.Text = string.Format("{0}:{1}", minTotal.ToString().PadLeft(2, '0'), secTotal.ToString().PadLeft(2, '0'));
}
));
}
catch
{
}
}
public void TCPMessageManager(GameMessageStruct gameMessage)
{
switch (gameMessage.messageType)
{
case 0:
// Start the game
gameManagement.StoreCharacterChoice(gameMessage.characterChoice, gameMessage.playerName, currentGame);
break;
case 1:
// Player Timer has elapsed
gameManagement.RanOutOfTime(gameMessage.playerName, currentGame);
break;
case 2:
// Question Received
gameManagement.QuestionAsked(gameMessage.text, gameMessage.playerName, currentGame);
break;
case 3:
// Guess Received
gameManagement.GuessMade(gameMessage.guess, gameMessage.playerName, currentGame);
break;
case 4:
// Response to guess
gameManagement.ResponseMade(gameMessage.response, gameMessage.playerName, currentGame);
break;
case 5:
// Chat messages
gameManagement.ChatMessageSent(gameMessage.text, gameMessage.playerName, currentGame);
break;
case 6:
// Player Status Change
//StatusManager(gameMessage.text, gameMessage.playerName, currentGame);
break;
}
}
private void BtnNo_Click(object sender, EventArgs e)
{
// Response to question received sent back
try
{
GameMessageStruct gameMessage = new GameMessageStruct
{
messageType = 4,
playerName = MainMenu.player.PlayerName,
response = false
};
byte[] data = PDU.SerializeStruct(gameMessage);
tcpSocket.connectionSocket.Send(data, SocketFlags.None);
DisableControls();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
private void UpdateTurnTime(object sender, ElapsedEventArgs e)
{
Invoke(new Action(() =>
{
// Shows time remaining for player's turn
secRemaining -= 1;
if (secRemaining == 0)
{
// Player ran out of time
try
{
GameMessageStruct gameMessage = new GameMessageStruct {
messageType = 1,
playerName = MainMenu.player.PlayerName
};
byte[] data = PDU.SerializeStruct(gameMessage);
tcpSocket.connectionSocket.Send(data, SocketFlags.None);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
DisableControls();
turnTimer.Stop();
}
if (secRemaining <= 10)
{
lblTurnTimer.ForeColor = Color.Red;
}
else
{
lblTurnTimer.ForeColor = Color.Black;
}
lblTurnTimer.Text = string.Format("00:{0}", secRemaining.ToString().PadLeft(2, '0'));
}
));
}
private void BtnAskQ_Click(object sender, EventArgs e)
{
// Send players question to server to relay to opponent
try
{
GameMessageStruct gameMessage = new GameMessageStruct {
messageType = 2,
playerName = MainMenu.player.PlayerName,
text = txtQuestion.Text
};
byte[] data = PDU.SerializeStruct(gameMessage);
tcpSocket.connectionSocket.Send(data, SocketFlags.None);
txtQuestion.Clear();
DisableControls();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
private void SendGameMessage()
{
// Add text to chatbox
//chatContents.Items.Add($"{MainMenu.player.PlayerName}: {messasgeTextBox.Text}");
// Send message to server to relay to opponent
try
{
GameMessageStruct gameMessage = new GameMessageStruct {
messageType = 5,
playerName = MainMenu.player.PlayerName,
text = messasgeTextBox.Text
};
byte[] data = PDU.SerializeStruct(gameMessage);
tcpSocket.connectionSocket.Send(data, SocketFlags.None);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
messasgeTextBox.Clear();
}
private void SelectedChar(PictureBox picbox)
{
// Get the image name
string imageName = picbox.Tag.ToString();
string grey = "Grey";
// Choose a character to be your choice
if (pbSelected.Image == null)
{
pbSelected.Image = picbox.Image;
userCharacter = picbox.Tag.ToString();
Console.WriteLine($"{MainMenu.player.PlayerName} has selected {userCharacter} as their charcter");
lblTimer.Stop();
lblSelectCharacter.Dispose();
// Sent selected choice to server
try
{
GameMessageStruct gameMessage = new GameMessageStruct
{
messageType = 0,
playerName = MainMenu.player.PlayerName,
characterChoice = userCharacter
};
byte[] data = PDU.SerializeStruct(gameMessage);
tcpSocket.connectionSocket.Send(data, SocketFlags.None);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
// Make a guess
else if (guessing && imageName.Contains(grey) == false)
{
DialogResult result = MessageBox.Show($"You have guessed {imageName}", "YOU HAVE MADE A GUESS!!!", MessageBoxButtons.YesNo);
if (result == DialogResult.Yes)
{
// Send guess to server
try
{
GameMessageStruct gameMessage = new GameMessageStruct
{
messageType = 3,
playerName = MainMenu.player.PlayerName,
guess = imageName
};
byte[] data = PDU.SerializeStruct(gameMessage);
tcpSocket.connectionSocket.Send(data, SocketFlags.None);
txtQuestion.Clear();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
BtnGuess_Click(new object(), new EventArgs());
}
else
{
BtnGuess_Click(new object(), new EventArgs());
}
}
// Toggle Grayscale image
else
{
if (imageName.Contains(grey) == false)
{
picbox.Image = Image.FromFile(Directory.GetCurrentDirectory() + $"\\{peopleSet}\\{picbox.Tag}{grey}.JPG");
picbox.Tag = $"{imageName}{grey}";
}
else
{
if (guessing == false)
{
picbox.Tag = imageName.Remove(imageName.IndexOf(grey), grey.Length);
picbox.Image = Image.FromFile(Directory.GetCurrentDirectory() + $"\\{peopleSet}\\{picbox.Tag}.JPG");
}
}
}
}
public void TCPMessageManager(GameMessageStruct gameMessage)
{
// Based on the message type trigger different methods
switch (gameMessage.messageType)
{
case 0:
// Display characters based on servers list of names
DisplayPeople(peopleSet, gameMessage.nameslist);
break;
case 1:
// Decide which players turn
if (gameMessage.activeTurn == true)
{
TurnControls();
turnTimer.Start();
}
totalTimer.Start();
break;
case 2:
// Player ran out of time
MessageBox.Show("Opponent ran out of time");
TurnControls();
StartTurn();
break;
case 3:
// Question Recieved
txtQuestion.Text = gameMessage.text;
ResponseControls();
StartTurn();
break;
case 4:
// Guess made
if (gameMessage.guess == "win")
{
MessageBox.Show("You Guessed Right, You Win!!");
// Shut down timer, close socket and finally close the form
CloseGame();
}
else if (gameMessage.guess == "lose")
{
MessageBox.Show($"{MainMenu.opp.PlayerName} guessed Right, You Lose!!");
CloseGame();
}
else if (gameMessage.guess == "youwrong")
{
MessageBox.Show("Wrong guess");
DisableControls();
}
else if (gameMessage.guess == "theywrong") // wrong guess
{
MessageBox.Show($"{MainMenu.opp.PlayerName} guessed wrong");
StartTurn();
}
break;
case 5:
// Display characters based on servers list of names
if (gameMessage.response)
{
MessageBox.Show("YES");
}
else
{
MessageBox.Show("NO");
}
break;
case 6:
// Receive chat message
chatContents.Items.Add($"{gameMessage.playerName} : {gameMessage.text}");
unreadMessages++;
btnChat.Text = $"Chat({unreadMessages})";
break;
}
}
private void CheckTCPActivity(object sender, EventArgs myEventArgs)
{
// Check TCP Connections Backlog for connection requests
try
{
if (playerNumber < 2)
{
try
{
// Add each player as a new socket
currentGame[playerNumber] = tcpSocket.connectionSocket.Accept();
currentGame[playerNumber].Blocking = false;
playerNumber++;
if (playerNumber == 2)
{
gameStarted = true;
}
}
catch (SocketException se) // Handle socket-related exception
{ // If an exception occurs, display an error message
if (10053 == se.ErrorCode || 10054 == se.ErrorCode) // Remote end closed the connection
{
tcpSocket.CloseSocket();
}
else if (10035 != se.ErrorCode)
{ // Ignore error messages relating to normal behaviour of non-blocking sockets
MessageBox.Show(se.Message);
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
else if (gameStarted == true)
{
// Diagnostics message
listBoxStatus.Items.Add("Game Has Started");
gameStarted = false;
// Send same list of characters to each client
GameMessageStruct gameMessage = new GameMessageStruct
{
messageType = 0,
nameslist = gameManagement.DisplayPeople()
};
byte[] data = PDU.SerializeStruct(gameMessage);
foreach (Socket client in currentGame)
{
client.Send(data, SocketFlags.None);
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
// Then check for game activity
for (int i = 0; i < 2; i++)
{
try
{
EndPoint localEndPoint = tcpSocket.endPoint;
byte[] ReceiveBuffer = new byte[1024];
int iReceiveByteCount = currentGame[i].ReceiveFrom(ReceiveBuffer, ref localEndPoint);
byte[] data = new byte[iReceiveByteCount];
Array.Copy(ReceiveBuffer, data, iReceiveByteCount); //make sure byte[] is the same length as the recieved byte[]
if (0 < iReceiveByteCount)
{
try
{
GameMessageStruct gameMessage = PDU.DeserializeStruct(data); //convert byte[] to structure so it can be read
TCPMessageManager(gameMessage);
}
catch (Exception error)
{
Console.WriteLine(error.Message);
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
}
public void TCPMessageManager(GameMessageStruct gameMessageStruct)
{
// Method implemented from IMessage manager Interface, but not needed
}
