public static void TestIsValidDrop_PawnsVsPieces()
{
CrazyhouseChessGame game = new CrazyhouseChessGame("rnbqk2r/1pppppb1/7p/8/p7/8/PPPPKPPP/RNBQ1BNR/PNp w kq - 10 6");
Assert.False(game.IsValidDrop(new Drop(new Pawn(Player.White), new Position("E1"), Player.White)));
Assert.True(game.IsValidDrop(new Drop(new Knight(Player.White), new Position("E1"), Player.White)));
}
public static void TestNotCheckmatedAndIsValidDrop()
{
CrazyhouseChessGame game = new CrazyhouseChessGame("rnbqkbnr/1pppp2p/5p2/6pQ/1p1PP3/8/PBP2PPP/RN2KBNR/p b KQkq - 9 5");
Assert.True(game.IsInCheck(Player.Black));
Assert.False(game.IsCheckmated(Player.Black));
Assert.True(game.IsValidDrop(new Drop(new Pawn(Player.Black), new Position("G6"), Player.Black)));
Assert.False(game.IsValidDrop(new Drop(new Pawn(Player.Black), new Position("B5"), Player.Black)));
Assert.False(game.IsValidDrop(new Drop(new Knight(Player.Black), new Position("G6"), Player.Black)));
}
public IActionResult SubmitDrop(string id, string role, string pos)
{
int puzzleId;
if (!int.TryParse(id, out puzzleId))
{
return(Json(new { success = false, error = "The given ID is invalid." }));
}
Puzzle puzzle = puzzlesBeingEdited.Get(puzzleId);
if (puzzle == null)
{
return(Json(new { success = false, error = "The given ID doe snot correspond to a puzzle." }));
}
if (puzzle.Author != loginHandler.LoggedInUserId(HttpContext).Value)
{
return(Json(new { success = false, error = "Only the puzzle author can access this right now." }));
}
if (!(puzzle.Game is CrazyhouseChessGame))
{
return(Json(new { success = false, error = "This is not a crazyhouse puzzle." }));
}
Piece p = Utilities.GetByRole(role, puzzle.Game.WhoseTurn);
if (p == null)
{
return(Json(new { success = false, error = "Invalid drop piece." }));
}
Drop drop = new Drop(p, new Position(pos), puzzle.Game.WhoseTurn);
CrazyhouseChessGame zhGame = puzzle.Game as CrazyhouseChessGame;
if (!zhGame.IsValidDrop(drop))
{
return(Json(new { success = true, valid = false }));
}
zhGame.ApplyDrop(drop, true);
return(Json(new { success = true, valid = true }));
}
async Task HandleReceived(string text)
{
GameSocketMessage preprocessed = new GameSocketMessage(text);
if (!preprocessed.Okay)
{
await Send("{\"t\":\"error\",\"d\":\"invalid message\"}");
return;
}
switch (preprocessed.Type)
{
case "move":
case "premove":
if (Subject.Result != Game.Results.ONGOING)
{
await Send("{\"t\":\"error\",\"d\":\"The game is not ongoing.\"}");
return;
}
MoveSocketMessage moveMessage = new MoveSocketMessage(preprocessed);
if (!moveMessage.Okay)
{
await Send("{\"t\":\"error\",\"d\":\"invalid message\"}");
return;
}
if ((Subject.ChessGame.WhoseTurn == Player.White && !Subject.White.Equals(client)) ||
(Subject.ChessGame.WhoseTurn == Player.Black && !Subject.Black.Equals(client)))
{
await Send("{\"t\":\"error\",\"d\":\"no permission\"}");
return;
}
bool flagged = await HandlePotentialFlag(Subject.ChessGame.WhoseTurn.ToString().ToLowerInvariant());
if (flagged)
{
return;
}
if (!Regex.IsMatch(moveMessage.Move, "([a-h][1-8]-[a-h][1-8](-[qrnbk])?|[PNBRQ]@[a-h][1-8])"))
{
await Send("{\"t\":\"error\",\"d\":\"invalid message format\"}");
return;
}
string[] moveParts;
MoveType mt = MoveType.Move;
if (!moveMessage.Move.Contains("@"))
{
moveParts = moveMessage.Move.Split('-');
Move move;
if (moveParts.Length == 2)
{
move = new Move(moveParts[0], moveParts[1], Subject.ChessGame.WhoseTurn);
}
else
{
move = new Move(moveParts[0], moveParts[1], Subject.ChessGame.WhoseTurn, moveParts[2][0]);
}
if (Subject.ChessGame.IsValidMove(move))
{
mt = await gameRepository.RegisterMoveAsync(Subject, move);
}
else if (moveMessage.Type == "move")
{
await Send("{\"t\":\"error\",\"d\":\"invalid move\"}");
return;
}
else
{
return; // for premoves, invalid moves can be silently ignored as mostly the problem is just a situation change on the board
}
}
else
{
CrazyhouseChessGame zhGame = Subject.ChessGame as CrazyhouseChessGame;
if (zhGame == null)
{
await Send("{\"t\":\"error\",\"d\":\"invalid move\"}");
return;
}
string[] typeAndPos = moveMessage.Move.Split('@');
Position pos = new Position(typeAndPos[1]);
Piece piece = Subject.ChessGame.MapPgnCharToPiece(typeAndPos[0][0], Subject.ChessGame.WhoseTurn);
Drop drop = new Drop(piece, pos, piece.Owner);
if (zhGame.IsValidDrop(drop))
{
await gameRepository.RegisterDropAsync(Subject, drop);
}
else
{
await Send("{\"t\":\"invalidDrop\",\"pos\":\"" + pos + "\"}");
}
moveParts = new string[] { pos.ToString().ToLowerInvariant(), pos.ToString().ToLowerInvariant() };
}
string check = null;
if (Subject.ChessGame.IsInCheck(Subject.ChessGame.WhoseTurn))
{
check = Subject.ChessGame.WhoseTurn.ToString().ToLowerInvariant();
}
string outcome = null;
if (Subject.ChessGame.IsWinner(Player.White))
{
outcome = "1-0, white wins";
await gameRepository.RegisterGameResultAsync(Subject, Game.Results.WHITE_WINS, Game.Terminations.NORMAL);
}
else if (Subject.ChessGame.IsWinner(Player.Black))
{
outcome = "0-1, black wins";
await gameRepository.RegisterGameResultAsync(Subject, Game.Results.BLACK_WINS, Game.Terminations.NORMAL);
}
else if (Subject.ChessGame.IsDraw() || Subject.ChessGame.DrawCanBeClaimed)
{
outcome = "½-½, draw";
await gameRepository.RegisterGameResultAsync(Subject, Game.Results.DRAW, Game.Terminations.NORMAL);
}
Dictionary <string, object> messageForPlayerWhoseTurnItIs = new Dictionary <string, object>();
Dictionary <string, object> messageForOthers = new Dictionary <string, object>();
messageForPlayerWhoseTurnItIs["t"] = messageForOthers["t"] = "moved";
messageForPlayerWhoseTurnItIs["fen"] = messageForOthers["fen"] = Subject.ChessGame.GetFen();
messageForPlayerWhoseTurnItIs["dests"] = moveCollectionTransformer.GetChessgroundDestsForMoveCollection(Subject.ChessGame.GetValidMoves(Subject.ChessGame.WhoseTurn));
messageForPlayerWhoseTurnItIs["lastMove"] = messageForOthers["lastMove"] = new string[] { moveParts[0], moveParts[1] };
messageForPlayerWhoseTurnItIs["turnColor"] = messageForOthers["turnColor"] = Subject.ChessGame.WhoseTurn.ToString().ToLowerInvariant();
messageForPlayerWhoseTurnItIs["plies"] = messageForOthers["plies"] = Subject.ChessGame.Moves.Count;
Dictionary <string, double> clockDictionary = new Dictionary <string, double>
{
["white"] = Subject.ClockWhite.GetSecondsLeft(),
["black"] = Subject.ClockBlack.GetSecondsLeft()
};
messageForPlayerWhoseTurnItIs["clock"] = messageForOthers["clock"] = clockDictionary;
messageForPlayerWhoseTurnItIs["check"] = messageForOthers["check"] = check;
messageForPlayerWhoseTurnItIs["isCapture"] = messageForOthers["isCapture"] = mt.HasFlag(MoveType.Capture);
if (outcome != null)
{
messageForPlayerWhoseTurnItIs["outcome"] = messageForOthers["outcome"] = outcome;
messageForPlayerWhoseTurnItIs["termination"] = messageForOthers["termination"] = Game.Terminations.NORMAL;
}
if (Subject.ChessGame is ThreeCheckChessGame)
{
ThreeCheckChessGame tccg = Subject.ChessGame as ThreeCheckChessGame;
messageForPlayerWhoseTurnItIs["additional"] = messageForOthers["additional"] = string.Format("White delivered {0} check(s), black delivered {1}.", tccg.ChecksByWhite, tccg.ChecksByBlack);
}
messageForPlayerWhoseTurnItIs["pocket"] = messageForOthers["pocket"] = Subject.ChessGame.GenerateJsonPocket();
messageForOthers["dests"] = new Dictionary <object, object>();
string jsonPlayersMove = JsonConvert.SerializeObject(messageForPlayerWhoseTurnItIs);
string jsonSpectatorsMove = JsonConvert.SerializeObject(messageForOthers);
await handlerRepository.SendAll(gameId, jsonPlayersMove, jsonSpectatorsMove, p => (Subject.White.Equals(p) && Subject.ChessGame.WhoseTurn == Player.White) || (Subject.Black.Equals(p) && Subject.ChessGame.WhoseTurn == Player.Black));
break;
case "chat":
ChatSocketMessage chatSocketMessage = new ChatSocketMessage(preprocessed);
if (!chatSocketMessage.Okay)
{
await Send("{\"t\":\"error\",\"d\":\"invalid message\"}");
return;
}
int? senderUserId = null;
string displayName = null;
if (client is RegisteredPlayer)
{
senderUserId = (client as RegisteredPlayer).UserId;
displayName = (await userRepository.FindByIdAsync(senderUserId.Value)).Username;
}
else
{
if (client.Equals(Subject.White))
{
displayName = "[white]";
}
else if (client.Equals(Subject.Black))
{
displayName = "[black]";
}
}
if (displayName == null)
{
await Send("{\"t\":\"error\",\"d\":\"Anonymous users cannot use the Spectators' chat.\"}");
return;
}
ChatMessage chatMessage = new ChatMessage(senderUserId, displayName, chatSocketMessage.Content);
Dictionary <string, string> forPlayers = null;
Dictionary <string, string> forSpectators = null;
string jsonPlayersChat = null;
string jsonSpectatorsChat = null;
if (chatSocketMessage.Channel == "player")
{
await gameRepository.RegisterPlayerChatMessageAsync(Subject, chatMessage);
forPlayers = new Dictionary <string, string>()
{
{ "t", "chat" }, { "channel", "player" }, { "msg", chatMessage.GetHtml() }
};
jsonPlayersChat = JsonConvert.SerializeObject(forPlayers);
}
else if (chatSocketMessage.Channel == "spectator")
{
if (!(client is RegisteredPlayer))
{
await Send("{\"t\":\"error\",\"d\":\"Anonymous users cannot use the Spectators' chat.\"}");
return;
}
await gameRepository.RegisterSpectatorChatMessageAsync(Subject, chatMessage);
forSpectators = new Dictionary <string, string>()
{
{ "t", "chat" }, { "channel", "spectator" }, { "msg", chatMessage.GetHtml() }
};
jsonSpectatorsChat = JsonConvert.SerializeObject(forSpectators);
if (Subject.Result != Game.Results.ONGOING)
{
jsonPlayersChat = jsonSpectatorsChat;
}
}
await handlerRepository.SendAll(gameId, jsonPlayersChat, jsonSpectatorsChat, p => Subject.White.Equals(p) || Subject.Black.Equals(p));
break;
case "syncClock":
Dictionary <string, object> syncedClockDict = new Dictionary <string, object>()
{
{ "t", "clock" },
{ "white", Subject.ClockWhite.GetSecondsLeft() },
{ "black", Subject.ClockBlack.GetSecondsLeft() },
{ "run", Subject.ChessGame.Moves.Count > 1 && Subject.Result == Game.Results.ONGOING },
{ "whoseTurn", Subject.ChessGame.WhoseTurn.ToString().ToLowerInvariant() }
};
await Send(JsonConvert.SerializeObject(syncedClockDict));
break;
case "flag":
FlagSocketMessage flagMessage = new FlagSocketMessage(preprocessed);
if (!flagMessage.Okay)
{
await Send("{\"t\":\"error\",\"d\":\"invalid message\"}");
return;
}
await HandlePotentialFlag(flagMessage.Player);
break;
case "syncChat":
Dictionary <string, object> syncedChat = new Dictionary <string, object>
{
["t"] = "chatSync"
};
if (Subject.White.Equals(client) || Subject.Black.Equals(client))
{
syncedChat["player"] = Subject.PlayerChats.Select(x => x.GetHtml());
}
if (Subject.Result != Game.Results.ONGOING || !(Subject.White.Equals(client) || Subject.Black.Equals(client)))
{
syncedChat["spectator"] = Subject.SpectatorChats.Select(x => x.GetHtml());
}
await Send(JsonConvert.SerializeObject(syncedChat));
break;
case "rematch-offer":
case "rematch-yes":
if (Subject.Result == Game.Results.ONGOING)
{
await Send("{\"t\":\"error\",\"d\":\"The game is still ongoing.\"}");
return;
}
bool isWhite = false;
bool isBlack = false;
if (!(isWhite = Subject.White.Equals(client)) && !(isBlack = Subject.Black.Equals(client)))
{
await Send("{\"t\":\"error\",\"d\":\"no permission\"}");
return;
}
bool createRematch = false;
if (isWhite)
{
await gameRepository.RegisterWhiteRematchOfferAsync(Subject);
if (Subject.BlackWantsRematch)
{
createRematch = true;
}
}
else
{
await gameRepository.RegisterBlackRematchOfferAsync(Subject);
if (Subject.WhiteWantsRematch)
{
createRematch = true;
}
}
if (createRematch)
{
int posWhite;
int posBlack;
if (Subject.RematchLevel % 2 == 0)
{
posWhite = Subject.PositionWhite;
posBlack = Subject.PositionBlack;
}
else
{
posWhite = randomProvider.RandomPositiveInt(Subject.ShortVariantName != "RacingKings" ? 960 : 1440);
if (Subject.IsSymmetrical)
{
posBlack = posWhite;
}
else
{
posBlack = randomProvider.RandomPositiveInt(Subject.ShortVariantName != "RacingKings" ? 960 : 1440);
}
}
Game newGame = new Game(await gameRepository.GenerateIdAsync(),
Subject.Black,
Subject.White,
Subject.ShortVariantName,
Subject.FullVariantName,
posWhite,
posBlack,
Subject.IsSymmetrical,
Subject.TimeControl,
DateTime.UtcNow,
Subject.RematchLevel + 1,
gameConstructor);
await gameRepository.AddAsync(newGame);
await gameRepository.SetRematchIDAsync(Subject, newGame.ID);
string rematchJson = "{\"t\":\"rematch\",\"d\":\"" + newGame.ID + "\"}";
await Send(rematchJson);
await handlerRepository.SendAll(gameId, rematchJson, null, x => true);
}
else
{
string rematchOfferJson = "{\"t\":\"rematch-offer\"}";
await handlerRepository.SendAll(gameId, rematchOfferJson, null, x => x.Equals(isWhite ? Subject.Black : Subject.White));
}
break;
case "rematch-no":
if (Subject.Result == Game.Results.ONGOING)
{
await Send("{\"t\":\"error\",\"d\":\"The game is still ongoing.\"}");
return;
}
bool isWhite_ = false;
bool isBlack_ = false;
if (!(isWhite_ = Subject.White.Equals(client)) && !(isBlack_ = Subject.Black.Equals(client)))
{
await Send("{\"t\":\"error\",\"d\":\"no permission\"}");
return;
}
await gameRepository.ClearRematchOffersAsync(Subject);
await handlerRepository.SendAll(gameId, "{\"t\":\"rematch-decline\"}", null, x => x.Equals(isWhite_ ? Subject.Black : Subject.White));
break;
case "resign":
if (Subject.Result != Game.Results.ONGOING)
{
await Send("{\"t\":\"error\",\"d\":\"The game is not ongoing.\"}");
return;
}
bool whiteResigns;
if (!(whiteResigns = Subject.White.Equals(client)) && !Subject.Black.Equals(client))
{
await Send("{\"t\":\"error\",\"d\":\"no permission\"}");
return;
}
if (Subject.Result != Game.Results.ONGOING)
{
await Send("{\"t\":\"error\",\"d\":\"Game is not ongoing.\"}");
return;
}
string outcomeAfterResign;
if (!whiteResigns)
{
outcomeAfterResign = "1-0, white wins";
await gameRepository.RegisterGameResultAsync(Subject, Game.Results.WHITE_WINS, Game.Terminations.RESIGNATION);
}
else
{
outcomeAfterResign = "0-1, black wins";
await gameRepository.RegisterGameResultAsync(Subject, Game.Results.BLACK_WINS, Game.Terminations.RESIGNATION);
}
Dictionary <string, string> outcomeResponseDict = new Dictionary <string, string>()
{
{ "t", "outcome" },
{ "outcome", outcomeAfterResign },
{ "termination", Game.Terminations.RESIGNATION }
};
await handlerRepository.SendAll(gameId, JsonConvert.SerializeObject(outcomeResponseDict), null, x => true);
break;
case "abort":
if (Subject.Result != Game.Results.ONGOING)
{
await Send("{\"t\":\"error\",\"d\":\"The game is not ongoing.\"}");
return;
}
if (!Subject.White.Equals(client) && !Subject.Black.Equals(client))
{
await Send("{\"t\":\"error\",\"d\":\"no permission\"}");
return;
}
if (Subject.UciMoves.Count > 1)
{
await Send("{\"t\":\"error\",\"d\":\"It's too late to abort.\"}");
return;
}
await gameRepository.RegisterGameResultAsync(Subject, Game.Results.ABORTED, Game.Terminations.ABORTED);
Dictionary <string, string> abortResultDict = new Dictionary <string, string>()
{
{ "t", "outcome" },
{ "outcome", Game.Results.ABORTED },
{ "termination", Game.Terminations.ABORTED }
};
await handlerRepository.SendAll(gameId, JsonConvert.SerializeObject(abortResultDict), null, x => true);
break;
case "draw-offer":
case "draw-yes":
if (Subject.Result != Game.Results.ONGOING)
{
await Send("{\"t\":\"error\",\"d\":\"The game is not ongoing.\"}");
return;
}
bool whiteOfferingDraw = false;
bool blackOfferingDraw = false;
if (!(whiteOfferingDraw = Subject.White.Equals(client)) && !(blackOfferingDraw = Subject.Black.Equals(client)))
{
await Send("{\"t\":\"error\",\"d\":\"no permission\"}");
return;
}
if (whiteOfferingDraw)
{
await gameRepository.RegisterWhiteDrawOfferAsync(Subject);
}
else
{
await gameRepository.RegisterBlackDrawOfferAsync(Subject);
}
if (Subject.WhiteWantsDraw && Subject.BlackWantsDraw)
{
await gameRepository.RegisterGameResultAsync(Subject, Game.Results.DRAW, Game.Terminations.NORMAL);
Dictionary <string, string> drawResultDict = new Dictionary <string, string>()
{
{ "t", "outcome" },
{ "outcome", Game.Results.DRAW },
{ "termination", Game.Terminations.NORMAL }
};
await handlerRepository.SendAll(SubjectID, JsonConvert.SerializeObject(drawResultDict), null, x => true);
}
else
{
string rematchOfferJson = "{\"t\":\"draw-offer\"}";
await handlerRepository.SendAll(gameId, rematchOfferJson, null, x => x.Equals(whiteOfferingDraw ? Subject.Black : Subject.White));
}
break;
case "draw-no":
if (Subject.Result != Game.Results.ONGOING)
{
await Send("{\"t\":\"error\",\"d\":\"The game is not ongoing.\"}");
return;
}
bool whiteDecliningDraw = false;
bool blackDecliningDraw = false;
if (!(whiteDecliningDraw = Subject.White.Equals(client)) && !(blackDecliningDraw = Subject.Black.Equals(client)))
{
await Send("{\"t\":\"error\",\"d\":\"no permission\"}");
return;
}
if (whiteDecliningDraw && !Subject.BlackWantsDraw)
{
await Send("{\"t\":\"error\",\"d\":\"You have no open draw offers.\"}");
return;
}
if (blackDecliningDraw && !Subject.WhiteWantsDraw)
{
await Send("{\"t\":\"error\",\"d\":\"You have no open draw offers.\"}");
return;
}
await gameRepository.ClearDrawOffersAsync(Subject);
await handlerRepository.SendAll(gameId, "{\"t\":\"draw-decline\"}", null, x => x.Equals(whiteDecliningDraw ? Subject.Black : Subject.White));
break;
case "keepAlive":
await Send("{\"t\":\"keepAlive\"}");
break;
}
}