private void PlayGrid_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
var point = Mouse.GetPosition(PlayGrid);
int row = 0;
int col = 0;
double accumulatedHeight = 0.0;
double accumulatedWidth = 0.0;
// calc row mouse was over
foreach (var rowDefinition in PlayGrid.RowDefinitions)
{
accumulatedHeight += rowDefinition.ActualHeight;
if (accumulatedHeight >= point.Y)
{
break;
}
row++;
}
// calc col mouse was over
foreach (var columnDefinition in PlayGrid.ColumnDefinitions)
{
accumulatedWidth += columnDefinition.ActualWidth;
if (accumulatedWidth >= point.X)
{
break;
}
col++;
}
for (int i = Game.ROWS - 1; i >= 0; i--)
{
if (TTT_Game.CellIsEmpty(i, col))
{
MarkBoard(i, col);
char winner = TTT_Game.checkWinner().Item1;
if (rbHuman.IsChecked == true)
{
return;
}
else if (rbAIPlayer.IsChecked == true)
{
if (winner == ' ')
{
if (rbEasy.IsChecked == true)
{
Spot S = AI.GetBestMove(TTT_Game, 2);
// //MessageBox.Show(string.Format("Score is {0}!", score));
MarkBoard(S.row, S.col);
}
else if (rbMedium.IsChecked == true)
{
Spot S = AI.GetBestMove(TTT_Game, 4);
// //MessageBox.Show(string.Format("Score is {0}!", score));
MarkBoard(S.row, S.col);
}
else if (rbHard.IsChecked == true)
{
Spot S = AI.GetBestMove(TTT_Game, 5);
// //MessageBox.Show(string.Format("Score is {0}!", score));
MarkBoard(S.row, S.col);
}
}
}
break;
}
}
}
private Spot Minimax(Game G, int level, int maxLevel, char turn)
{
Spot BestSpot = new Spot();
//if current AI player
if (level % 2 == 0)
{
BestSpot.score = -1000000;
}
//if AI opponent
else
{
BestSpot.score = 1000000;
}
//if there is a winner or we are as deep as we are allowed to go
if (G.checkWinner().Item1 != ' ' || G.BoardIsFull() || level >= maxLevel)
{
BestSpot.score = scoreGame(G, level + 1, turn);
//MessageBox.Show(string.Format("Score is {0}, level is {1}", BestSpot.score, level));
}
else
{
//note that consts in C# are static, meaning that to access
//them you should use the class name
for (int i = 0; i < Game.ROWS; i++)
{
for (int j = 0; j < Game.COLS; j++)
{
if (G.IsValid(i, j))
{
Game TmpGame = new Game(G);
TmpGame.MarkGameBoard(i, j);
Spot TmpSpot = new Spot();
TmpSpot.row = i;
TmpSpot.col = j;
//if (TmpGame.checkWinner().Item1 != ' ')
//{
TmpSpot.score = Minimax(TmpGame, level + 1, maxLevel, turn).score;
//MessageBox.Show(string.Format("Score is {0}, level is {1}", TmpSpot.score, level));
//if current AI player
if (level % 2 == 0)
{
if (TmpSpot.score > BestSpot.score)
{
BestSpot = TmpSpot;
}
}
//if AI opponent
else
{
if (TmpSpot.score < BestSpot.score)
{
BestSpot = TmpSpot;
}
}
//}
}
}
}
}
//MessageBox.Show(string.Format("Score is {0}, level is {1}", BestSpot.score, level));
return(BestSpot);
}