public void MoveChessman(int x, int y)
{
if (allowedMoves[x, y])
{
Chessman opponent = Chessmans[x, y];
if (opponent != null)
{
// Capture an opponent piece
ActiveChessmans.Remove(opponent.gameObject);
Destroy(opponent.gameObject);
}
// -------EnPassant Move Manager------------
// If it is an EnPassant move than Destroy the opponent
if (EnPassant[0] == x && EnPassant[1] == y && SelectedChessman.GetType() == typeof(Pawn))
{
if (isWhiteTurn)
{
opponent = Chessmans[x, y + 1];
}
else
{
opponent = Chessmans[x, y - 1];
}
ActiveChessmans.Remove(opponent.gameObject);
Destroy(opponent.gameObject);
}
// Reset the EnPassant move
EnPassant[0] = EnPassant[1] = -1;
// Set EnPassant available for opponent
if (SelectedChessman.GetType() == typeof(Pawn))
{
//-------Promotion Move Manager------------
if (y == 7)
{
ActiveChessmans.Remove(SelectedChessman.gameObject);
Destroy(SelectedChessman.gameObject);
SpawnChessman(10, new Vector3(x, 0, y));
SelectedChessman = Chessmans[x, y];
}
if (y == 0)
{
ActiveChessmans.Remove(SelectedChessman.gameObject);
Destroy(SelectedChessman.gameObject);
SpawnChessman(4, new Vector3(x, 0, y));
SelectedChessman = Chessmans[x, y];
}
//-------Promotion Move Manager Over-------
if (SelectedChessman.currentY == 1 && y == 3)
{
EnPassant[0] = x;
EnPassant[1] = y - 1;
}
if (SelectedChessman.currentY == 6 && y == 4)
{
EnPassant[0] = x;
EnPassant[1] = y + 1;
}
}
// -------EnPassant Move Manager Over-------
// -------Castling Move Manager------------
// If the selectef chessman is King and is trying Castling move which needs two steps
if (SelectedChessman.GetType() == typeof(King) && System.Math.Abs(x - SelectedChessman.currentX) == 2)
{
// King Side (towards (0, 0))
if (x - SelectedChessman.currentX < 0)
{
// Moving Rook1
Chessmans[x + 1, y] = Chessmans[x - 1, y];
Chessmans[x - 1, y] = null;
Chessmans[x + 1, y].SetPosition(x + 1, y);
Chessmans[x + 1, y].transform.position = new Vector3(x + 1, 0, y);
Chessmans[x + 1, y].isMoved = true;
}
// Queen side (away from (0, 0))
else
{
// Moving Rook2
Chessmans[x - 1, y] = Chessmans[x + 2, y];
Chessmans[x + 2, y] = null;
Chessmans[x - 1, y].SetPosition(x - 1, y);
Chessmans[x - 1, y].transform.position = new Vector3(x - 1, 0, y);
Chessmans[x - 1, y].isMoved = true;
}
// Note : King will move as a SelectedChessman by this function later
}
// -------Castling Move Manager Over-------
Chessmans[SelectedChessman.currentX, SelectedChessman.currentY] = null;
Chessmans[x, y] = SelectedChessman;
SelectedChessman.SetPosition(x, y);
SelectedChessman.transform.position = new Vector3(x, 0, y);
SelectedChessman.isMoved = true;
isWhiteTurn = !isWhiteTurn;
// to be deleted
// printBoard();
}
// De-select the selected chessman
SelectedChessman = null;
// Disabling all highlights
BoardHighlights.Instance.DisableAllHighlights();
// ------- King Check Alert Manager -----------
// Is it Check to the King
// If now White King is in Check
if (isWhiteTurn)
{
if (WhiteKing.InDanger())
{
BoardHighlights.Instance.SetTileCheck(WhiteKing.currentX, WhiteKing.currentY);
}
}
// If now Black King is in Check
else
{
if (BlackKing.InDanger())
{
BoardHighlights.Instance.SetTileCheck(BlackKing.currentX, BlackKing.currentY);
}
}
// ------- King Check Alert Manager Over ----
// Check if it is Checkmate
isCheckmate();
}
