//Kallas på efter att en player försöker göra ett drag för att se till att det är giltigt
public void makeMove(int fromX, int fromY, int toX, int toY)
{
Move move = new Move(fromX, fromY, toX, toY);
if (rules.isValid(move, gamestatus))
{
//gui.updateBoard();
board.updateTable(move);
switchTurn();
System.Console.WriteLine(gamestatus + " turn!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.");
}
if (rules.isCheck(board.getWhiteKing()))
{
if (rules.isCheckMate(board.getWhiteKing()))
{
gamestatus = "Black wins!";
}
}
else if (rules.isCheck(board.getBlackKing()))
{
if (rules.isCheckMate(board.getBlackKing()))
{
gamestatus = "White wins!";
}
}
}
public override Boolean isValidMove(Move move)
{
if (move.gettoY() - move.getfromY() == 1 && (move.gettoX() - move.getfromX() == 1 ||
move.gettoX() - move.getfromX() == -1 || move.gettoX() == move.getfromX()))
{
System.Console.WriteLine("1kung Draget är tillåtet!");
return true;
}
else if (move.gettoY() - move.getfromY() == -1 && (move.gettoX() - move.getfromX() == 1 ||
move.gettoX() - move.getfromX() == -1 || move.gettoX() == move.getfromX()))
{
System.Console.WriteLine("2kung Draget är tillåtet!");
return true;
}
else if ((move.gettoX() - move.getfromX() == 1 || move.gettoX() - move.getfromX() == -1) &&
(move.gettoY() - move.getfromY() == 1 || move.gettoY() - move.getfromY() == -1))
{
System.Console.WriteLine("3kung Draget är tillåtet!");
return true;
}
else
{
System.Console.WriteLine("4kung Draget är inte tillåtet!");
return false;
}
}
public override Boolean isValidMove(Move move)
{
if(move.gettoY() == move.getfromY() || move.gettoX() == move.getfromX())
{
System.Console.WriteLine("tower draget är tillåtet");
return true;
}
else
{
System.Console.WriteLine("tower draget är inte tillåtet");
return false;
}
}
public override Boolean isValidMove(Move move)
{
//Check if the move is valid for white pieces
if (player is HumanPlayer)
{
if (move.gettoY() - move.getfromY() == 2 && move.gettoX() == move.getfromX() && move.getfromY() == 1)
if (move.gettoY() - move.getfromY() == 2 && move.gettoX() == move.getfromX()
&& move.getfromY() == 1)
{
System.Console.WriteLine(" bondeHUMAN Draget är tillåtet!");
return true;
}
if (move.gettoY() - move.getfromY() == 1 && (move.gettoX() - move.getfromX() == 1 ||
(move.gettoX() - move.getfromX() == 1 && move.gettoY() - move.getfromY() == 1) ||
(move.gettoX() == move.getfromX() && move.gettoY() - move.getfromY() == 1)))
{
System.Console.WriteLine(" bondeHUMAN Draget är tillåtet!");
return true;
}
}
//Check if the move is valid for black pieces
if (player is CPUPlayer)
{
if (move.gettoY() - move.getfromY() == -2 && move.gettoX() == move.getfromX()
&& move.getfromY() == 6)
{
System.Console.WriteLine("1bondeCPU Draget är tillåtet!");
return true;
}
if ((move.gettoY() - move.getfromY() == -1 && move.gettoX() - move.getfromX() == 1) ||
(move.gettoX() - move.getfromX() == -1 && (move.gettoY() - move.getfromY() == -1) ||
(move.gettoX() == move.getfromX() && move.gettoY() - move.getfromY() == -1)))
{
System.Console.WriteLine("2bondeCPU Draget är tillåtet!");
return true;
}
}
System.Console.WriteLine("3bondeCPU Draget är inte tillåtet!");
return false;
}
public override Boolean isValidMove(Move move)
{
if (move.gettoX() - move.getfromX() == move.gettoY() - move.getfromY())
{
return true;
}
else if (move.gettoX() + move.getfromX() == move.gettoY() + move.getfromY())
{
return true;
}
else if (move.gettoY() == move.getfromY() || move.gettoX() == move.getfromX())
{
System.Console.WriteLine("queen draget är tillåtet");
return true;
}
return false;
}
public override Boolean isValidMove(Move move)
{
if(move.gettoX() - move.getfromX() == move.gettoY() - move.getfromY())
{
System.Console.WriteLine("Springare draget är tillåtet");
return true;
}
else if(move.gettoX() + move.getfromX() == move.gettoY() + move.getfromY())
{
System.Console.WriteLine("Springare draget är tillåtet");
return true;
}
System.Console.WriteLine("springare draget är inte tillåtet");
return false;
}
public override Boolean isValidMove(Move move)
{
if(move.getfromY() - move.gettoY() == 2 || move.getfromY() - move.gettoY() == -2)
{
if(move.getfromX() - move.gettoX() == 1 || move.getfromX() - move.gettoX() == -1)
{
System.Console.WriteLine("häst Draget är tillåtet!");
return true;
}
}
if (move.getfromX() - move.gettoX() == 2 || move.getfromX() - move.gettoX() == -2)
{
if (move.getfromY() - move.gettoY() == 1 || move.getfromY() - move.gettoY() == -1)
{
System.Console.WriteLine("häst Draget är tillåtet!");
return true;
}
}
System.Console.WriteLine("häst Draget är inte tillåtet!");
return false;
}
public AiNode(Move move, int Value)
{
Move = move;
this.Value = Value;
}
static Move()
{
None = new Move(0x00);
Null = new Move(0x41);
}
public void MovePieceTo(Piece piece,Position to)
{
var toMove = piecesinplay.Where(p => p.Piece.Equals(piece))
.FirstOrDefault();
if (toMove == null) throw new InvalidOperationException("No such piece in play " + piece);
var move = new Move(toMove.Position,to,piece,isfirst);
if(move.Valid())
{
move.Apply(piecesinplay);
Announce(piece, to);
}
else
AnnounceIllegalMove();
isfirst = false;
}
private int AlphaBetaQuite(Game gameCopy, Move node, int alpha, int beta, bool maximizingPlayer, int depth, int recursion)
{
if ((SearchFor > TimeSpan.Zero && Stopwatch.Elapsed > SearchFor) || Stopped)
{
Stopped = true;
return(0);
}
QuiteSearchNodes++;
int bestVal;
if (node.Capture == null || gameCopy.Ended || depth == 0)
{
bestVal = node.ScoreAfterMove.Value + (maximizingPlayer ? 1 : -1);
QuiteLeafVisits++;
}
else if (maximizingPlayer)
{
bestVal = alpha;
var childern = gameCopy.GetLegalCaptureMoves(Color.Black);
if (!childern.Any())
{
bestVal = node.ScoreAfterMove.Value;
}
else
{
for (int i = 0; i < childern.Length; i++)
{
var move = childern[i];
gameCopy.PerformLegalMove(move);
var childValue = AlphaBetaQuite(gameCopy, move, bestVal, beta, false, depth - 1, recursion + 1);
gameCopy.Undo(move);
if (childValue > bestVal || node.OpponentsBestAiMove == null)
{
node.OpponentsBestAiMove = move;
}
bestVal = Math.Max(bestVal, childValue);
if (beta <= bestVal)
{
BetaCutOffCount++;
break;
}
}
}
}
else
{
bestVal = beta;
var childern = gameCopy.GetLegalCaptureMoves(Color.White);
if (!childern.Any())
{
bestVal = node.ScoreAfterMove.Value;
}
else
{
for (int i = 0; i < childern.Length; i++)
{
var move = childern[i];
gameCopy.PerformLegalMove(move);
var childValue = AlphaBetaQuite(gameCopy, move, alpha, bestVal, true, depth - 1, recursion + 1);
gameCopy.Undo(move);
if (childValue < bestVal || node.OpponentsBestAiMove == null)
{
node.OpponentsBestAiMove = move;
}
bestVal = Math.Min(bestVal, childValue);
if (bestVal <= alpha)
{
AlphaCutOffCount++;
break;
}
}
}
}
return(bestVal);
}
//Updaterar den brädet (arrayen) efter att ett drag genomförts
public void updateTable(Move move)
{
board[move.gettoX(), move.gettoY()] = board[move.getfromX(), move.getfromY()];
board[move.getfromX(), move.getfromY()] = null;
board[move.gettoX(), move.gettoY()].posX = move.gettoX();
board[move.gettoX(), move.gettoY()].posY = move.gettoY();
}
//1. Egen pjäs
//2. Motståndares pjäs
//3. Tom ruta
public int squareStatus(Move move)
{
if (board[move.gettoX(), move.gettoY()] != null)
{
ChessPiece p1 = board[move.getfromX(), move.getfromY()];
ChessPiece p2 = board[move.gettoX(), move.gettoY()];
if (p1.getPlayer == p2.getPlayer)
{
return 1;
}
else
{
return 2;
}
}
return 3;
}
public string colourOfPiece(Move move)
{
return board[move.getfromX(), move.getfromY()].getPlayer.getColour;
}
public abstract bool CanMoveTo(Move move, Board board);
static Move MoveFromAlgebraic(Board board, string algebraicMove)
{
MoveGenerator moveGenerator = new MoveGenerator();
// Remove unrequired info from move string
algebraicMove = algebraicMove.Replace("+", "").Replace("#", "").Replace("x", "").Replace("-", "");
var allMoves = moveGenerator.GenerateMoves(board);
Move move = new Move();
foreach (Move moveToTest in allMoves)
{
move = moveToTest;
int moveFromIndex = move.StartSquare;
int moveToIndex = move.TargetSquare;
int movePieceType = Piece.PieceType(board.Square[moveFromIndex]);
Coord fromCoord = BoardRepresentation.CoordFromIndex(moveFromIndex);
Coord toCoord = BoardRepresentation.CoordFromIndex(moveToIndex);
if (algebraicMove == "OO") // castle kingside
{
if (movePieceType == Piece.King && moveToIndex - moveFromIndex == 2)
{
return(move);
}
}
else if (algebraicMove == "OOO") // castle queenside
{
if (movePieceType == Piece.King && moveToIndex - moveFromIndex == -2)
{
return(move);
}
}
// Is pawn move if starts with any file indicator (e.g. 'e'4. Note that uppercase B is used for bishops)
else if (fileNames.Contains(algebraicMove[0].ToString()))
{
if (movePieceType != Piece.Pawn)
{
continue;
}
if (fileNames.IndexOf(algebraicMove[0]) == fromCoord.fileIndex) // correct starting file
{
if (algebraicMove.Contains("=")) // is promotion
{
if (toCoord.rankIndex == 0 || toCoord.rankIndex == 7)
{
if (algebraicMove.Length == 5) // pawn is capturing to promote
{
char targetFile = algebraicMove[1];
if (BoardRepresentation.fileNames.IndexOf(targetFile) != toCoord.fileIndex)
{
// Skip if not moving to correct file
continue;
}
}
char promotionChar = algebraicMove[algebraicMove.Length - 1];
if (move.PromotionPieceType != GetPieceTypeFromSymbol(promotionChar))
{
continue; // skip this move, incorrect promotion type
}
return(move);
}
}
else
{
char targetFile = algebraicMove[algebraicMove.Length - 2];
char targetRank = algebraicMove[algebraicMove.Length - 1];
if (BoardRepresentation.fileNames.IndexOf(targetFile) == toCoord.fileIndex) // correct ending file
{
if (targetRank.ToString() == (toCoord.rankIndex + 1).ToString()) // correct ending rank
{
break;
}
}
}
}
}
else // regular piece move
{
char movePieceChar = algebraicMove[0];
if (GetPieceTypeFromSymbol(movePieceChar) != movePieceType)
{
continue; // skip this move, incorrect move piece type
}
char targetFile = algebraicMove[algebraicMove.Length - 2];
char targetRank = algebraicMove[algebraicMove.Length - 1];
if (BoardRepresentation.fileNames.IndexOf(targetFile) == toCoord.fileIndex) // correct ending file
{
if (targetRank.ToString() == (toCoord.rankIndex + 1).ToString()) // correct ending rank
{
if (algebraicMove.Length == 4) // addition char present for disambiguation (e.g. Nbd7 or R7e2)
{
char disambiguationChar = algebraicMove[1];
if (BoardRepresentation.fileNames.Contains(disambiguationChar.ToString())) // is file disambiguation
{
if (BoardRepresentation.fileNames.IndexOf(disambiguationChar) != fromCoord.fileIndex) // incorrect starting file
{
continue;
}
}
else // is rank disambiguation
{
if (disambiguationChar.ToString() != (fromCoord.rankIndex + 1).ToString()) // incorrect starting rank
{
continue;
}
}
}
break;
}
}
}
}
return(move);
}
public abstract bool CanAttackPosition(Move move, Board board);
