//Check if move is putting ourselves in check
private bool causeCheck(Board board, Coord fromPos, Coord toPos)
{
Board tempBoard = new Board(board);
Piece temp = tempBoard.board [fromPos.xpos, fromPos.ypos];
temp.coord = toPos;
if (tempBoard.board [toPos.xpos, toPos.ypos].type != Piece.PieceType.NONE)
{
tempBoard.board [toPos.xpos, toPos.ypos] = new Piece(Piece.PieceType.NONE, toPos.xpos, toPos.ypos, Piece.PieceColor.NONE, 99);
}
tempBoard.board [fromPos.xpos, fromPos.ypos] = tempBoard.board [toPos.xpos, toPos.ypos];
tempBoard.board [toPos.xpos, toPos.ypos] = temp;
Piece.PieceColor colorToCheck;
if (color == Piece.PieceColor.WHITE)
{
colorToCheck = Piece.PieceColor.BLACK;
}
else
{
colorToCheck = Piece.PieceColor.WHITE;
}
Coord kingCoord = new Coord();
foreach (Piece p in tempBoard.board)
{
if (p.type == Piece.PieceType.KING && p.color == color)
{
kingCoord = new Coord(p.coord.xpos, p.coord.ypos);
}
}
if (Rules.isCheck(tempBoard.board, colorToCheck, kingCoord))
{
return(true);
}
return(false);
}
// Ask the rules if a move between two positions is legal, calls swap() if ok
public void tryMove(Coord fromPos, Coord toPos)
{
Coord kingCoord = new Coord();
if (Rules.isLegalMove(board, fromPos, toPos))
{
board[fromPos.xpos, fromPos.ypos].moved = true;
Board tempBoard = new Board(this);
Piece temp = tempBoard.board [fromPos.xpos, fromPos.ypos];
temp.coord = toPos;
if (tempBoard.board [toPos.xpos, toPos.ypos].type != Piece.PieceType.NONE)
{
tempBoard.board [toPos.xpos, toPos.ypos] = new Piece(Piece.PieceType.NONE, toPos.xpos, toPos.ypos, Piece.PieceColor.NONE, 99);
}
tempBoard.board [fromPos.xpos, fromPos.ypos] = tempBoard.board [toPos.xpos, toPos.ypos];
tempBoard.board [toPos.xpos, toPos.ypos] = temp;
foreach (Piece p in tempBoard.board)
{
if (p.type == Piece.PieceType.KING && p.color == turn)
{
kingCoord = new Coord(p.coord.xpos, p.coord.ypos);
}
}
Piece.PieceColor colorToCheck;
if (turn == Piece.PieceColor.WHITE)
{
colorToCheck = Piece.PieceColor.BLACK;
}
else
{
colorToCheck = Piece.PieceColor.WHITE;
}
if (!(Rules.isCheck(tempBoard.board, colorToCheck, kingCoord)))
{
swap(fromPos, toPos);
//Investigate if move caused a Check.
foreach (Piece p in board)
{
if (p.type == Piece.PieceType.KING && p.color != turn)
{
kingCoord = new Coord(p.coord.xpos, p.coord.ypos);
}
}
if (Rules.isCheck(board, turn, kingCoord))
{
if (turn == Piece.PieceColor.BLACK)
{
Console.WriteLine("White is in check");
whiteIsCheck = true;
}
else
{
Console.WriteLine("Black is in check");
blackIsCheck = true;
}
}
else
{
whiteIsCheck = false;
blackIsCheck = false;
}
if (turn == Piece.PieceColor.WHITE)
{
turn = Piece.PieceColor.BLACK;
player2.nextMove();
}
else
{
turn = Piece.PieceColor.WHITE;
player1.nextMove();
}
}
else
{
Console.WriteLine("Cant move because king will be checked");
}
if (whiteIsCheck)
{
Console.WriteLine("check if white is checkmate");
if (Rules.isCheckMate(this, Piece.PieceColor.WHITE))
{
Console.WriteLine("GAME IS OVER, BLACK WON");
}
}
if (blackIsCheck)
{
Console.WriteLine("check if black is checkmate");
if (Rules.isCheckMate(this, Piece.PieceColor.BLACK))
{
Console.WriteLine("GAME IS OVER, WHITE WON");
}
}
saveBoardToFile();
}
}