protected override void Update(GameTime gameTime)
{
base.Update(gameTime);
MouseState ms = Mouse.GetState();
Boolean moved = false;
if (ms.LeftButton == ButtonState.Pressed)
{
if (startGameClick == false)
{
startGameClick = true;
board.startGame();
return;
}
if ((int)(ms.X) > 480)
{
board.startNewGame();
legalMoves = null;
return;
}
if (!firstClick)
{
int newxPos = (int)(ms.X / 60);
int newyPos = (int)(ms.Y / 60);
toPos = new Coord(newxPos, newyPos);
// Here we try to make a move
board.tryMove(fromPos, toPos);
legalMoves = null;
currentIndex [0] = 99;
currentIndex [1] = 99;
firstClick = true;
moved = true;
}
else
{
int xPos = (int)(ms.X / 60);
int yPos = (int)(ms.Y / 60);
if (board.board [xPos, yPos].color == board.turn)
{
fromPos = new Coord(xPos, yPos);
if (moved == false)
{
if (currentIndex [0] == xPos && currentIndex [1] == yPos)
{
currentIndex [0] = 99;
currentIndex [1] = 99;
}
else
{
currentIndex [0] = (int)(ms.X / 60);
currentIndex [1] = (int)(ms.Y / 60);
}
}
firstClick = false;
legalMoves = Rules.getLegalMoves(board.board, fromPos);
}
else
{
Console.WriteLine("NOT CORRECT TURN");
}
}
}
}
// 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();
}
}