/// <summary>
/// Move a peice from one location on the board to another.
/// </summary>
/// <param name="from">The location of the piece that is moving.</param>
/// <param name="to">The location to move to.</param>
/// <returns>Returns true on success or false on failure.</returns>
public bool ActionPiece(Point from, Point to, bool bypassValidaiton = false)
{
if (bypassValidaiton || PieceActions(from).Contains(to))
{
ChessPiece movingPeice = boardArray[from.x, from.y];
if (movingPeice is Pawn)
{
Pawn pawn = (Pawn)movingPeice;
// If this was a double jump, check enpassant
if (Math.Abs(from.y - to.y) == 2)
{
int adjasentX = to.x - 1;
if (adjasentX > -1 &&
boardArray[adjasentX, to.y] != null &&
boardArray[adjasentX, to.y].Player != movingPeice.Player &&
boardArray[adjasentX, to.y] is Pawn)
{
if (!bypassValidaiton)
{
((Pawn)boardArray[adjasentX, to.y]).CanEnPassantRight = true;
}
}
adjasentX += 2;
if (adjasentX < COLUMNS &&
boardArray[adjasentX, to.y] != null &&
boardArray[adjasentX, to.y].Player != movingPeice.Player &&
boardArray[adjasentX, to.y] is Pawn)
{
if (!bypassValidaiton)
{
((Pawn)boardArray[adjasentX, to.y]).CanEnPassantLeft = true;
}
}
}
// If this was a sideways jump to null, it was enpassant!
if (from.x != to.x && boardArray[to.x, to.y] == null)
{
boardArray[to.x, from.y] = null;
}
if (!bypassValidaiton) // Pawns can't double jump after they move.
{
pawn.CanDoubleJump = false;
}
}
if (movingPeice is CastlePiece)
{
CastlePiece rookOrKing = (CastlePiece)movingPeice;
if (!bypassValidaiton) // Castling can't be done after moving
{
rookOrKing.CanCastle = false;
}
}
if (movingPeice is King)
{
King king = (King)movingPeice;
if (from.x - to.x == 2)
{ // Move rook for Queenside castle
boardArray[to.x + 1, from.y] = boardArray[0, from.y];
boardArray[0, from.y] = null;
}
if (from.x - to.x == -2)
{ // Move rook for Kingside castle
boardArray[to.x - 1, from.y] = boardArray[COLUMNS - 1, from.y];
boardArray[COLUMNS - 1, from.y] = null;
}
}
movingPeice.CalculateMoves();
boardArray[from.x, from.y] = null;
boardArray[to.x, to.y] = movingPeice;
return(true);
}
return(false);
}