public long StartNewGame(string ticket, StartGameModel startGameModel)
{
lock (mutex)
{
var ctx = GetContext(ticket);
if (ctx != null && chessboard == null && (IsComputerGame() || userTickets.Count == 2))
{
ChessEngineOption engineOpt = null;
if (IsComputerGame())
{
engineOpt = GetOptions().ChessEngines.SingleOrDefault((opt) => opt.Name == startGameModel.ChessEngineName);
if (engineOpt == null)
{
throw new ArgumentException($"Invalid chess engine '{startGameModel.ChessEngineName}'.");
}
if (startGameModel.Level < 1 || startGameModel.Level > 9)
{
throw new ArgumentException($"Invalid level ${startGameModel.Level}.");
}
}
var users = userTickets.Values.OrderBy(ctx => ctx.Created).ToList();
string whitePlayer = users[0].Name;
string blackPlayer = !computerGame ? users[1].Name : engineOpt.Name;
if (startGameModel.MyColor == "W" && ctx.Name != whitePlayer ||
startGameModel.MyColor == "B" && ctx.Name != blackPlayer)
{
(whitePlayer, blackPlayer) = (blackPlayer, whitePlayer);
}
GameOption gameOption = startGameModel.GameOption switch
{
"fastchess" => GameOption.FastChess,
"chess15" => GameOption.Chess15,
"chess30" => GameOption.Chess30,
"chess60" => GameOption.Chess60,
_ => GameOption.FastChess
};
if (IsComputerGame() && gameOption == GameOption.FastChess)
{
gameOption = GameOption.Chess15;
}
chessboard = new Chessboard(whitePlayer, blackPlayer, gameOption);
ctx.StartGameConfirmed = true;
if (IsComputerGame())
{
StartChessEngine(engineOpt);
chessengine.Level = startGameModel.Level;
chessboard.GameStarted = true;
PlayChessEngineNewGame(ctx, chessboard);
}
stateChanged = DateTime.UtcNow;
}
return(GetStateChanged());
}
}
private void StartChessEngine(ChessEngineOption opt)
{
StopChessEngine();
chessengine = new ChessEngine(opt.File, opt.UseUCI, OnChessEngineMoveCompleted, logger);
computerGame = true;
}