/// <summary>
/// Called when mouse click is released on canvas board. Makes moves for player and IA
/// </summary>
/// <param name="sender">sender object</param>
/// <param name="e">mouse event</param>
private void CanBoard_MouseUp(object sender, MouseButtonEventArgs e)
{
//If game as started and it is player turn
if (isPlaying && (!isIA || turnToWhite))
{
//Getting canvas board dimensions
double canvasHeight = canBoard.ActualHeight / 8.0;
double canvasWidth = canBoard.ActualWidth / 8.0;
//Getting mouse positions
double eX = e.GetPosition(canBoard).X;
double eY = e.GetPosition(canBoard).Y;
//Setting counter positions
int squareIdI = (int)(eX / canvasWidth);
int squareIdJ = (int)(eY / canvasHeight);
//If move can be played
if (board.IsPlayable(squareIdI, squareIdJ, turnToWhite))
{
//Move is played
bool changePlayer = board.PlayMove(squareIdI, squareIdJ, turnToWhite);
//If game is finished
if (board.Ended)
{
//Displaying a label with the winner
DisplayWinner();
}
//Changing players
if (changePlayer)
{
turnToWhite = !turnToWhite;
}
}
}
//If game as started and it is IA turn
if (isPlaying && isIA && !turnToWhite)
{
bool changePlayer = false;
while (!changePlayer && !board.Ended)
{
//IA finds its next move to play
Tuple <int, int> IA = board.GetNextMove(board.GetBoard(), 1, turnToWhite);
//Move is played
changePlayer = board.PlayMove(IA.Item1, IA.Item2, turnToWhite);
//If game is finished
if (board.Ended)
{
//Displaying a label with the winner
DisplayWinner();
}
}
//Changing players
if (changePlayer)
{
turnToWhite = !turnToWhite;
}
}
//Updating board
PrintBoard();
//Updating scores
this.WhiteScore = board.GetWhiteScore();
this.BlackScore = board.GetBlackScore();
}
/// <summary>
/// Demande à l'IA de jouer un coup.
/// Méthode asynchrone pour permettre l'affichage du coup du joueur avant que l'IA joue.
/// </summary>
private void PlayIAMove()
{
int difficulty = 2;
// Le joueur humain est bloqué
foreach (var cell in cells)
{
cell.IsEnabled = false;
}
// Copie des variables utilisées dans un BackgroundWorker pour éviter la concurrence
Board copyBoard = new Board(board);
bool copyWhiteTurn = whiteTurn;
int copyDifficulty = difficulty;
Tuple <int, int> move = null;
BackgroundWorker bgWorker = new BackgroundWorker();
// On fait réfléchir l'IA dans un BackgroudWorker
bgWorker.DoWork += (sender, ev) =>
{
Thread.Sleep(1000);
move = copyBoard.GetNextMove(copyBoard.GetBoard(), copyDifficulty, copyWhiteTurn);
};
// Quand elle trouve un coup, on met à jour le board
bgWorker.RunWorkerCompleted += (sender, ev) =>
{
int c = move.Item1;
int l = move.Item2;
// Vérifie que l'IA n'a pas passé son tour
if (c >= 0 && l >= 0)
{
if (board.PlayMove(c, l, whiteTurn))
{
// Coup jouable et joué
whiteTurn = !whiteTurn;
}
else
{
// Impossible de jouer ce coup
}
}
var newWhiteTurn = whiteTurn;
CheckFinished();
if (newWhiteTurn != whiteTurn)
{
// Le joueur a passé son tour (whiteTurn a été modifié dans CheckFinished())
PlayIAMove();
}
// Débloque le joueur humain
foreach (var cell in cells)
{
cell.IsEnabled = true;
}
};
// On lance le background worker
bgWorker.RunWorkerAsync();
}
