/// <summary>
/// Makes move (and checks for move legality) in session "Valil" game
/// Flags the game as started in session and sets start DateTime database if it's first move
/// Makes move in database
/// Updates palyer ratings if the game is ended
/// </summary>
/// <param name="from"></param>
/// <param name="to"></param>
/// <param name="promotionPiece"></param>
/// <returns>Game result: NoResult - the game continues, WhiteWin, BlackWin, Tie</returns>
private GameResult MakeMove(string from, string to, string promotionPiece = "")
{
// check for move legality and update game state in session
try
{
Move myMove = Utils.GetCANMove(ValilGameS, from + to + promotionPiece);
ValilGameS.Make(myMove);
}
catch
{
throw new HubException("Invalid move");
}
// Start "timer"
if (!MatchS.IsGameInitialized)
{
_startGameCommandHandler.Handle(new StartGameCommand(MatchS.MatchId, MatchS.White.UserName, MatchS.Black.UserName));
MatchS.GameStartTime = DateTime.Now;
MatchS.IsGameInitialized = true;
}
// check result
GameResult result = CalculateAndUpdateResult();
// add move in database
_makeMoveCommandHandler.Handle(new MakeMoveCommand(MatchS.MatchId, from, to, promotionPiece, result));
return(result);
}
/// <summary>
/// Check if one of the players has a timeout
/// </summary>
public bool CheckForTimeout()
{
if (IsHavingMatchS)
{
lock (MatchS)
{
if (IsHavingMatchS)
{
var whiteTime = ValilGameS.GetWhiteTimeLeft(MatchS.GameStartTime, MatchS.InitialTime, MatchS.AddedTimePerMove);
var blackTime = ValilGameS.GetBlackTimeLeft(MatchS.GameStartTime, MatchS.InitialTime, MatchS.AddedTimePerMove);
Clients.Group(MatchS.MatchId).updateTime(whiteTime, blackTime);
if (whiteTime.TotalSeconds < 0 || blackTime.TotalMilliseconds < 0)
{
GameResult result = whiteTime.TotalSeconds <= 0 ? GameResult.BlackWin : GameResult.WhiteWin;
Clients.Group(MatchS.MatchId).gameEnded(result.ToString());
InitPlayerInfo(MatchS.White.UserName, MatchS.White.ConnectionId, MatchS.White.SessionId);
InitPlayerInfo(MatchS.Black.UserName, MatchS.Black.ConnectionId, MatchS.Black.SessionId);
CalculateAndUpdateResult(result);
EndGameSession();
return(true);
}
return(false);
}
}
}
return(false);
}
/// <summary>
/// Do a promotion move in a game
/// </summary>
/// <param name="from">board position, e.g. "c3"</param>
/// <param name="to">board position, e.g. "c3"</param>
/// <param name="promotionPiece">board piece, e.g. 'q'</param>
/// <returns>Return if the move is valid</returns>
public bool MovePromotion(string from, string to, char promotionPiece)
{
if (IsHavingMatchS)
{
try
{
var gameResult = MakeMove(from, to, promotionPiece.ToString());
Clients.OthersInGroup(MatchS.MatchId).movedPromoted(from, to, promotionPiece);
var whiteTime = ValilGameS.GetWhiteTimeLeft(MatchS.GameStartTime, MatchS.InitialTime, MatchS.AddedTimePerMove);
var blackTime = ValilGameS.GetBlackTimeLeft(MatchS.GameStartTime, MatchS.InitialTime, MatchS.AddedTimePerMove);
Clients.Group(MatchS.MatchId).updateTime(whiteTime, blackTime);
if (gameResult != GameResult.NoResult)
{
Clients.Group(MatchS.MatchId).gameEnded(gameResult.ToString());
InitPlayerInfo(MatchS.White.UserName, MatchS.White.ConnectionId, MatchS.White.SessionId);
InitPlayerInfo(MatchS.Black.UserName, MatchS.Black.ConnectionId, MatchS.Black.SessionId);
EndGameSession();
}
}
catch
{
ValilGameS.Previous();
return(false);
}
return(true);
}
return(false);
}
/// <summary>
/// If the Caller has match - try to reconnect to match
/// </summary>
public void ReconnectToMatch()
{
if (IsHavingMatchS)
{
lock (MatchS)
{
if (IsHavingMatchS && ValilGameS.MoveCount >= 3)
{
try
{
MatchS.IsDrawOffered = false;
Groups.Add(ConnectionId, MatchS.MatchId);
Clients.OthersInGroup(MatchS.MatchId).playerReconnected(SessionId);
var gameMoves = _getGameMovesQueryHandler.Handle(new GetGameMovesQuery(MatchS.MatchId));
var whiteTime = ValilGameS.GetWhiteTimeLeft(MatchS.GameStartTime, MatchS.InitialTime, MatchS.AddedTimePerMove);
var blackTime = ValilGameS.GetBlackTimeLeft(MatchS.GameStartTime, MatchS.InitialTime, MatchS.AddedTimePerMove);
Clients.Caller.reportMatch(MatchS, gameMoves, whiteTime, blackTime);
Clients.OthersInGroup(MatchS.MatchId).drawDenied();
}
catch (Exception ex)
{
throw new Microsoft.AspNet.SignalR.Client.HubException("ReconnectToMatch", ex);
}
}
else
{
EndGameSession();
}
}
}
}
