/// <summary>
/// Initialize a new game session with the given startup arguments.
/// </summary>
/// <param name="args">The startup arguments.</param>
/// <returns>a new game session</returns>
private static ChessGameSession initChessGame(StartupArgs args)
{
IChessPlayer whitePlayer;
IChessPlayer blackPlayer;
// init players
if (args.GameMode == ChessGameMode.PvC)
{
var humanPlayerSide = new Random().Next(0, 2) == 0 ? ChessColor.White : ChessColor.Black;
whitePlayer = humanPlayerSide == ChessColor.White
? (IChessPlayer) new HumanChessPlayer(ChessColor.White)
: new ArtificialChessPlayer(ChessColor.White, (ChessDifficultyLevel)args.ComputerLevel);
blackPlayer = humanPlayerSide != ChessColor.White
? (IChessPlayer) new HumanChessPlayer(ChessColor.Black)
: new ArtificialChessPlayer(ChessColor.Black, (ChessDifficultyLevel)args.ComputerLevel);
}
else if (args.GameMode == ChessGameMode.CvC)
{
whitePlayer = new ArtificialChessPlayer(ChessColor.White, (ChessDifficultyLevel)args.ComputerLevel);
blackPlayer = new ArtificialChessPlayer(ChessColor.Black, (ChessDifficultyLevel)args.ComputerLevel);
}
else
{
whitePlayer = new HumanChessPlayer(ChessColor.White);
blackPlayer = new HumanChessPlayer(ChessColor.Black);
}
return(new ChessGameSession(whitePlayer, blackPlayer));
}
public void NewGame()
{
// delete cache of last game
if (File.Exists(SESSION_CACHE_FILE))
{
File.Delete(SESSION_CACHE_FILE);
}
// show new game dialog
var dlg = new NewGameView();
var dlgContext = new NewGameViewModel(dlg);
dlg.DataContext = dlgContext;
var result = dlg.ShowDialog();
if (result == true)
{
// init new game session with user inputs from dialog
var humanPlayer = new UIChessPlayer(dlgContext.DrawingSide);
var artificialPlayer = new ArtificialChessPlayer(dlgContext.DrawingSide.Opponent(), dlgContext.Difficulty);
_session = dlgContext.DrawingSide == ChessColor.White ? new ChessGameSession(humanPlayer, artificialPlayer) : new ChessGameSession(artificialPlayer, humanPlayer);
_player = humanPlayer;
_session.BoardChanged += boardChanged;
Board.UpdatePieces(ChessBitboard.StartFormation);
// tell the player which side he draws if he choose random side
if (dlgContext.SelectedDrawingSideMode == DrawingSideMode.Random)
{
MessageBox.Show($"You draw the { dlgContext.DrawingSide.ToString() } pieces!", "Random Side Selection", MessageBoxButton.OK, MessageBoxImage.Information);
}
// update status bar
Status.InitNewGame();
// start the game session in a background thread (async)
Task.Run(() => {
// play game (until one player loses)
var final = _session.ExecuteGame();
// update status bar
var finalStatus = ChessDrawSimulator.Instance.GetCheckGameStatus(_session.Board, _session.Game.LastDraw);
Status.FinishGame(finalStatus);
// reset game session
Board.UpdateIsEnabled(false);
});
}
// make the chess board inactive unless a game session is active
updateIsBoardActive();
}
