private WinnerDetails EvaluateWinner(char currentPlayer, List <Coordinates> currentPlayerCoords)
{
var winnerDetails = new WinnerDetails()
{
GameWon = false, Message = ""
};
// Horizontal winning condition
bool horizontalConditions =
currentPlayerCoords.Count(c => c.X == 0) >= 3 ||
currentPlayerCoords.Count(c => c.X == 1) >= 3 ||
currentPlayerCoords.Count(c => c.X == 2) >= 3;
// Vertical winning condition
bool verticalConditions =
currentPlayerCoords.Count(c => c.Y == 0) >= 3 ||
currentPlayerCoords.Count(c => c.Y == 1) >= 3 ||
currentPlayerCoords.Count(c => c.Y == 2) >= 3;
// Diagonal winning condition
bool diagonalConditionsA =
currentPlayerCoords.Contains(CoordinateFactory.New(0, 0)) &&
currentPlayerCoords.Contains(CoordinateFactory.New(1, 1)) &&
currentPlayerCoords.Contains(CoordinateFactory.New(2, 2));
bool diagonalConditionsB =
currentPlayerCoords.Contains(CoordinateFactory.New(2, 0)) &&
currentPlayerCoords.Contains(CoordinateFactory.New(1, 1)) &&
currentPlayerCoords.Contains(CoordinateFactory.New(0, 2));
if (horizontalConditions)
{
winnerDetails.GameWon = true;
winnerDetails.Message = $"{currentPlayer} won horizontally!";
}
if (verticalConditions)
{
winnerDetails.GameWon = true;
winnerDetails.Message = $"{currentPlayer} won vertically!";
}
if (diagonalConditionsA || diagonalConditionsB)
{
winnerDetails.GameWon = true;
winnerDetails.Message = $"{currentPlayer} won diagonally!";
}
return(winnerDetails);
}
private void Button_Click(object sender, RoutedEventArgs e)
{
Button button = (sender as Button);
string[] colPlacing = button.Tag.ToString().Split(",");
var x = Int32.Parse(colPlacing[0]);
var y = Int32.Parse(colPlacing[1]);
char currentPlayer = GetCurrentPlayer();
button.Content = currentPlayer;
if (_xTurn)
{
currentPlayerCoords = _coordListX;
}
else
{
currentPlayerCoords = _coordListO;
}
currentPlayerCoords.Add(CoordinateFactory.New(x, y));
var winnerDetails = EvaluateWinner(currentPlayer, currentPlayerCoords);
if (winnerDetails.GameWon)
{
uxTurn.Text = winnerDetails.Message;
// game is won, so disable all buttons
foreach (object c in LogicalTreeHelper.GetChildren(uxGrid))
{
Button b = c as Button;
if (b != null)
{
b.IsEnabled = false;
}
}
}
else
{
ToggleTurns();
// notify UI with the next player's turn
uxTurn.Text = $"{GetCurrentPlayer()}'s turn";
button.IsEnabled = String.IsNullOrWhiteSpace(button.Content.ToString());
}
}