public void BtnClick(XOButton btn)
{
Image imgX = new Image();
imgX.Source = new BitmapImage(new Uri("C://Users/Jason/Documents/Games/TicTacToe/TicTacToe/TicTacToeX.png"));
btn.Content = imgX;
btn.IsEnabled = false;
btn.Cross = true;
crosses.Add(btn);
tiles.Remove(btn);
x++;
int btnsRemaining = 0;
foreach (XOButton item in tiles)
{
btnsRemaining++;
}
//myTxt.Text = btnsRemaining.ToString();
if (x >= 3)
{
cont = winCondition(crosses, btn, btnsRemaining);
}
if (!cont || btnsRemaining == 0)
{
gameResult(btn, btnsRemaining, !cont);
}
else
{
minmaxAlgorithm();
}
}
//public void playerAI()
//{
// //Random rnd = new Random();
// //int buttonIndex = rnd.Next(btnsRemaining);
// //Image imgO = new Image();
// //imgO.Source = new BitmapImage(new Uri("C://Users/Jason/Documents/Games/TicTacToe/TicTacToe/TicTacToeO.png"));
// //tiles[buttonIndex].Content = imgO;
// //tiles[buttonIndex].IsEnabled = false;
// //tiles[buttonIndex].Nought = true;
// //noughts.Add(tiles[buttonIndex]);
// //o++;
// //myTxt.Text = btnsRemaining.ToString();
// //if (o >= 3)
// //{
// // cont = winCondition(noughts, tiles[buttonIndex], btnsRemaining);
// // if (!cont)
// // {
// // gameResult(tiles[buttonIndex], btnsRemaining, !cont);
// // }
// //}
// //tiles.Remove(tiles[buttonIndex]);
//}
public bool winCondition(List <XOButton> btnList, XOButton btn, int btnsRemaining)
{
if (btnList.Contains(topLeft) && btnList.Contains(topMiddle) && btnList.Contains(topRight))
{
return(false);
}
else if (btnList.Contains(middleLeft) && btnList.Contains(centre) && btnList.Contains(middleRight))
{
return(false);
}
else if (btnList.Contains(bottomLeft) && btnList.Contains(bottomMiddle) && btnList.Contains(bottomRight))
{
return(false);
}
else if (btnList.Contains(topLeft) && btnList.Contains(middleLeft) && btnList.Contains(bottomLeft))
{
return(false);
}
else if (btnList.Contains(topMiddle) && btnList.Contains(centre) && btnList.Contains(bottomMiddle))
{
return(false);
}
else if (btnList.Contains(topRight) && btnList.Contains(middleRight) && btnList.Contains(bottomRight))
{
return(false);
}
else if (btnList.Contains(topLeft) && btnList.Contains(centre) && btnList.Contains(bottomRight))
{
return(false);
}
else if (btnList.Contains(topRight) && btnList.Contains(centre) && btnList.Contains(bottomLeft))
{
return(false);
}
else
{
return(true);
}
}
public void gameResult(XOButton btn, int btnsRemaining, bool winner)
{
if (btn.Cross && winner)
{
foreach (XOButton item in tiles)
{
item.IsEnabled = false;
}
myTxt.Text = "Congratulation! You are the Winner!";
}
else if (btn.Nought && winner)
{
foreach (XOButton item in tiles)
{
item.IsEnabled = false;
}
myTxt.Text = "Ooooo, you lose!";
}
else if ((btn.Cross && btnsRemaining == 0 && !winner) || (btn.Nought && btnsRemaining == 1 && !winner))
{
myTxt.Text = "Meh, draw.";
}
}
private void bottomRight_Click(object sender, RoutedEventArgs e)
{
XOButton bottomRight = (XOButton)sender;
BtnClick(bottomRight);
}
private void bottomMiddle_Click(object sender, RoutedEventArgs e)
{
XOButton bottomMiddle = (XOButton)sender;
BtnClick(bottomMiddle);
}
private void middleRight_Click(object sender, RoutedEventArgs e)
{
XOButton middleRight = (XOButton)sender;
BtnClick(middleRight);
}
private void centre_Click(object sender, RoutedEventArgs e)
{
XOButton centre = (XOButton)sender;
BtnClick(centre);
}
private void topRight_Click(object sender, RoutedEventArgs e)
{
XOButton topRight = (XOButton)sender;
BtnClick(topRight);
}
private void topMiddle_Click(object sender, RoutedEventArgs e)
{
XOButton topMiddle = (XOButton)sender;
BtnClick(topMiddle);
}
public void minmaxAlgorithm()
{
int btnsRemaining;
string currentPlayer = "x";
foreach (XOButton btn in tiles.ToList())
{
List <XOButton> mmTiles = tiles.ToList();
List <XOButton> mmCrosses = crosses.ToList();
List <XOButton> mmNoughts = noughts.ToList();
mmTiles.Remove(btn);
mmNoughts.Add(btn);
int depth = 0;
foreach (XOButton item in mmTiles.ToList())
{
btnsRemaining = 0;
foreach (XOButton remaining in mmTiles.ToList())
{
btnsRemaining++;
myTxt.Text = btnsRemaining.ToString();
}
while (btnsRemaining >= 0)
{
if (currentPlayer == "o")
{
mmTiles.Remove(item);
mmNoughts.Add(item);
btnsRemaining--;
depth++;
if (!winCondition(mmNoughts, item, btnsRemaining))
{
btn.Score = 10 - depth;
break;
}
else
{
currentPlayer = "x";
}
}
if (currentPlayer == "x")
{
mmTiles.Remove(item);
mmCrosses.Add(item);
btnsRemaining--;
if (!winCondition(mmCrosses, item, btnsRemaining))
{
btn.Score = -10 + depth;
break;
}
else
{
currentPlayer = "o";
}
}
}
}
}
btnsRemaining = 0;
foreach (XOButton item in tiles)
{
btnsRemaining++;
}
tiles[0].TopScore = true;
XOButton optimum = tiles[0];
foreach (XOButton item in tiles)
{
if (item.Score > optimum.Score)
{
foreach (XOButton btn in tiles)
{
btn.TopScore = false;
}
item.TopScore = true;
optimum = item;
}
}
foreach (XOButton item in tiles.ToList())
{
if (item.TopScore)
{
Image imgO = new Image();
imgO.Source = new BitmapImage(new Uri("C://Users/Jason/Documents/Games/TicTacToe/TicTacToe/TicTacToeO.png"));
item.Content = imgO;
item.IsEnabled = false;
item.Nought = true;
noughts.Add(item);
tiles.Remove(item);
cont = winCondition(noughts, item, btnsRemaining);
if (!cont)
{
gameResult(item, btnsRemaining, !cont);
}
}
}
}