private void checkGameState() //checks if the game is over via checkmate or stalemate
{
int[] kingLoc = game.findKing(turn);
if (((King)game.getBoard()[kingLoc[0], kingLoc[1]]).isCheck(kingLoc, game.getBoard(), colorSel))
{
if (((King)game.getBoard()[kingLoc[0], kingLoc[1]]).isCheckMate(colorSel, game.getPieces(), game.getBoard(), turn)) //king is in check and no moves can be made "checkmate"
{
for (int i = 0; i < 8; i++)
{
for (int j = 0; j < 8; j++)
{
boardButtons[i, j].Enabled = false; //game is over disable all board buttons
}
}
Label gameOverLabel = new Label();
gameOverLabel.Size = new System.Drawing.Size(250, 13);
gameOverLabel.Text = "Game Over: Checkmate ";
if (turn == 0) //if it was whites turn next and white is checkmated black wins
{
gameOverLabel.Text += "Black Wins";
}
else //the opposite is true so white wins
{
gameOverLabel.Text += "White Wins";
}
gameOverLabel.Location = new Point(150, 420);
Controls.Add(gameOverLabel); //display that the one side has been checkmated and tell who the winner is
}
}
else
{
if (((King)game.getBoard()[kingLoc[0], kingLoc[1]]).isCheckMate(colorSel, game.getPieces(), game.getBoard(), turn)) //king is not in check but no moves can be made "stalemate"
{
for (int i = 0; i < 8; i++)
{
for (int j = 0; j < 8; j++)
{
boardButtons[i, j].Enabled = false; //game is over disable all board buttons
}
}
Label gameOverLabel = new Label();
gameOverLabel.Size = new System.Drawing.Size(250, 13);
gameOverLabel.Text = "Game Over: Stalemate";
gameOverLabel.Location = new Point(150, 420);
Controls.Add(gameOverLabel); //display that the game is a stalemate
}
}
}
public bool isMoveSafe(int colorSel, ChessPiece[] pcs, int pNum, int[] moveLoc) //returns whether a move is safe or not
//if this list is empty it is checkmate
{
Board b;
ChessPiece[] p = new ChessPiece[32];
for (int i = 0; i < pcs.Length; i++) //create a set of new pieces to be passed to the new board for checking
{
if (pcs[i].getType() == 1)
{
p[i] = new Pawn(i, pcs[i].getPColor());
p[i].setLocation(pcs[i].getLocation()[0], pcs[i].getLocation()[1]);
}
if (pcs[i].getType() == 2)
{
p[i] = new Knight(i, pcs[i].getPColor());
p[i].setLocation(pcs[i].getLocation()[0], pcs[i].getLocation()[1]);
}
if (pcs[i].getType() == 3)
{
p[i] = new Bishop(i, pcs[i].getPColor());
p[i].setLocation(pcs[i].getLocation()[0], pcs[i].getLocation()[1]);
}
if (pcs[i].getType() == 4)
{
p[i] = new Rook(i, pcs[i].getPColor());
p[i].setLocation(pcs[i].getLocation()[0], pcs[i].getLocation()[1]);
}
if (pcs[i].getType() == 5)
{
p[i] = new Queen(i, pcs[i].getPColor());
p[i].setLocation(pcs[i].getLocation()[0], pcs[i].getLocation()[1]);
}
if (pcs[i].getType() == 6)
{
p[i] = new King(i, pcs[i].getPColor());
p[i].setLocation(pcs[i].getLocation()[0], pcs[i].getLocation()[1]);
}
if (p[i].getLocation()[0] == moveLoc[0] && p[i].getLocation()[1] == moveLoc[1] && p[i].getType() != 6) //no piece can hold the same location
{
p[i].setLocation(-1, -1);
}
}
p[pNum].setLocation(moveLoc[0], moveLoc[1]);
b = new Board(colorSel, p); //create a new board with the new move location to check if it puts the king in check
int[] kingLoc = b.findKing(pcs[pNum].getPColor()); //the kings location in the new board
if (((King)b.getBoard()[kingLoc[0], kingLoc[1]]).isCheck(kingLoc, b.getBoard(), colorSel)) //if the move is check return false
{
return(false);
}
else //if the move is safe return true
{
return(true);
}
}
