private static bool pawnValid(Piece p, Position from, Position to)
{
int xDist = from.x - to.x;
int yDist = from.y - to.y;
int direction = p.getColor() == "white" ? -1 : 1;
if (from.y + direction > 7 || from.y + direction < 0)
{
return(false);
}
if (from.y + direction != to.y && ((from.y + 2 * direction != to.y && p.getNumberOfMoves() == 0) || !Chess.IsEmpty(new Position(from.x, from.y + direction)) || p.getNumberOfMoves() > 0))
{
return(false);
}
if (xDist < -1 || xDist > 1)
{
return(false);
}
if (xDist == 0 && !Chess.IsEmpty(to))
{
return(false);
}
if (xDist * xDist == 1 && yDist * yDist != 1)
{
return(false);
}
if (xDist != 0 && (Chess.IsEmpty(to) || Chess.IsSame(p, to)))
{
return(false);
}
return(true);
}
private static void move(Position from, Position to, bool realMove)
{
lastMove = new ChessMove(from, to);
Piece p1 = board.at(from);
Piece p2 = board.at(to);
pieceRemoved = p2;
int xDiff = to.x - from.x;
if (p1.getType() == "king" && Math.Abs(xDiff) > 1 && realMove)
{
int xDir = xDiff < 0 ? -2 : 1;
Position rook = new Position(to.x + xDir, to.y);
xDir = xDiff < 0 ? 1 : -1;
board.at(rook).debug();
move(rook, new Position(to.x + xDir, to.y));
}
board.set(from, new Piece("blank", "none", from));
p1.numberOfMoves++;
if (p1.getType() == "pawn" && Math.Abs(to.y - from.y) == 2)
{
p1.numberOfMoves++;
}
p1.setPosition(to);
if (p1.getType() == "pawn" && (to.y == 0 || to.y == 7))
{
p1 = new Piece("queen", p1.getColor(), p1.getPosition(), p1.getNumberOfMoves());
}
board.set(to, p1);
}
private static bool pawnValid(Piece p, Position from, Position to)
{
int xDist = from.x - to.x;
int yDist = from.y - to.y;
int direction = p.getColor() == "white" ? -1 : 1;
if (from.y + direction > 7 || from.y + direction < 0) return false;
if (from.y + direction != to.y && ((from.y + 2 * direction != to.y && p.getNumberOfMoves() == 0) || !Chess.IsEmpty(new Position(from.x, from.y + direction)) || p.getNumberOfMoves() > 0))
{
return false;
}
if (xDist < -1 || xDist > 1)
{
return false;
}
if (xDist == 0 && !Chess.IsEmpty(to))
{
return false;
}
if (xDist * xDist == 1 && yDist * yDist != 1)
{
return false;
}
if (xDist != 0 && (Chess.IsEmpty(to) || Chess.IsSame(p, to)))
{
return false;
}
return true;
}