// method for moving the chess piece on another cell
private void MoveChessman(int x, int y)
{
if (allowedMoves[x, y])
{
Chessman c = Chessmans [x, y];
if (c != null && c.isWhite != isWhiteTurn)
{
// capture the piece
// if it is a king
if (c.GetType() == typeof(King))
{
EndGame();
return;
}
activeChessman.Remove(c.gameObject);
Destroy(c.gameObject);
}
if (x == EnPassantMove [0] && y == EnPassantMove [1])
{
// white turn
if (isWhiteTurn)
{
c = Chessmans [x, y - 1];
}
else
{
c = Chessmans [x, y + 1];
}
activeChessman.Remove(c.gameObject);
Destroy(c.gameObject);
}
EnPassantMove [0] = -1;
EnPassantMove [1] = -1;
if (selectedChessman.GetType() == typeof(Pawn))
{
// time for promotion
// white
if (y == 7)
{
activeChessman.Remove(selectedChessman.gameObject);
Destroy(selectedChessman.gameObject);
SpawnChessman(1, x, y, -90);
selectedChessman = Chessmans [x, y];
}
else if (y == 0)
{
activeChessman.Remove(selectedChessman.gameObject);
Destroy(selectedChessman.gameObject);
SpawnChessman(7, x, y, -90);
selectedChessman = Chessmans [x, y];
}
if (selectedChessman.CurrentY == 1 && y == 3)
{
EnPassantMove [0] = x;
EnPassantMove [1] = y - 1;
}
else if (selectedChessman.CurrentY == 6 && y == 4)
{
EnPassantMove [0] = x;
EnPassantMove [1] = y + 1;
}
}
// only case of casteling
if (c != null && c.isWhite == isWhiteTurn && selectedChessman.GetType() == typeof(King) && c.GetType() == typeof(Rook))
{
// lets move the rook and the king in the respective position after casteling
int currentKingPos = selectedChessman.CurrentX;
int rookPos = c.CurrentX;
int _x = -1;
int _y = -1;
// castling to left side of the board
if (currentKingPos > rookPos)
{
// king pose - 2;
// rook pose + 2
_x = currentKingPos - 2;
if (isWhiteTurn)
{
_y = 0;
activeChessman.Remove(selectedChessman.gameObject);
Destroy(selectedChessman.gameObject);
SpawnChessman(0, _x, _y, -90);
activeChessman.Remove(c.gameObject);
Destroy(c.gameObject);
SpawnChessman(2, rookPos + 3, _y, -90);
}
else
{
_y = 7;
activeChessman.Remove(selectedChessman.gameObject);
Destroy(selectedChessman.gameObject);
SpawnChessman(6, _x, _y, -90);
activeChessman.Remove(c.gameObject);
Destroy(c.gameObject);
SpawnChessman(8, rookPos + 3, _y, -90);
}
}
else if (currentKingPos < rookPos)
{
// king pose - 2;
// rook pose + 2
_x = currentKingPos + 2;
if (isWhiteTurn)
{
_y = 0;
activeChessman.Remove(selectedChessman.gameObject);
Destroy(selectedChessman.gameObject);
SpawnChessman(0, _x, _y, -90);
activeChessman.Remove(c.gameObject);
Destroy(c.gameObject);
SpawnChessman(2, rookPos - 2, _y, -90);
}
else
{
_y = 7;
activeChessman.Remove(selectedChessman.gameObject);
Destroy(selectedChessman.gameObject);
SpawnChessman(6, _x, _y, -90);
activeChessman.Remove(c.gameObject);
Destroy(c.gameObject);
SpawnChessman(8, rookPos - 2, _y, -90);
}
}
}
Chessmans [selectedChessman.CurrentX, selectedChessman.CurrentY] = null;
selectedChessman.transform.position = GetTileCenter(x, y);
selectedChessman.SetPosition(x, y);
Chessmans [x, y] = selectedChessman;
isWhiteTurn = !isWhiteTurn;
}
// Check status
if (selectedChessman.Threatened())
{
Debug.Log("Check");
}
BoardHighlights.Instance.hideHighlights();
selectedChessman = null;
}
