private void ProcessIfPawnStepOnFinalLine(int x, int y)
{
if (selectedChessman.GetType() == typeof(Pawn))
{
// check if pawn steps on final line, it becomes Queen
if (y == 7) // white team
{
int currentX = selectedChessman.CurrentX, currentY = selectedChessman.CurrentY;
// remove selected chessman
activeChessmans.Remove(selectedChessman.gameObject);
Destroy(selectedChessman.gameObject);
// spawn new chessman
SpawnChessman(1, currentX, currentY);
selectedChessman = Chessmans[currentX, currentY];
// rotate the chessman
selectedChessman.RotateEach(ROTATE_TIME);
}
else if (y == 0) // black team
{
int currentX = selectedChessman.CurrentX, currentY = selectedChessman.CurrentY;
// remove selected chessman
activeChessmans.Remove(selectedChessman.gameObject);
Destroy(selectedChessman.gameObject);
// spawn new chessman
SpawnChessman(7, currentX, currentY);
selectedChessman = Chessmans[currentX, currentY];
// rotate the chessman
// selectedChessman.RotateEach(ROTATE_TIME);
}
}
}
public void MoveChessman(int x, int y)
{
if (allowedMoves[x, y])
{
if (chessMate != null)
{
BoardHighlights.Instance.HideCheckedHighlight();
chessMate.HidePowerEffect();
chessMate = null;
}
Chessman c = Chessmans[x, y];
float delays = 0f;
// Check EnPassantMove
ProcessEnPassantMove(c, x, y, out delays);
// Eat chessman
bool isEatChess = false;
if (c != null && c.isWhite != isWhiteTurn)
{
delays = DELAY_TIME;
c.RotateEach(ROTATE_TIME);
c.DestroyAfter(delays);
BoardHighlights.Instance.ShowKillerHighlight(new Vector3(x + 0.5f, 0, y + 0.5f));
BoardHighlights.Instance.HideKillerHighlightAfter(delays);
isEatChess = true;
if (c.GetType() == typeof(King))
{
EndGame();
return;
}
}
BoardHighlights.Instance.ShowHoverHighlight(new Vector3(x + 0.5f, 0, y + 0.5f));
// check if pawn step on final line
ProcessIfPawnStepOnFinalLine(x, y);
// Move selected chessman to x, y position
MoveSelectedChessmanTo(x, y, delays);
// Checkmate
if (!IsCheckmate(Chessmans[x, y].PossibleMove()) && isEatChess)
{
selectedChessman.PlayPowerEffectFor(DELAY_TIME);
}
ProcessCheckmate(x, y);
// Change turn
isWhiteTurn = !isWhiteTurn;
}
BoardHighlights.Instance.HideHighlights();
selectedChessman = null;
}
private void ProcessEnPassantMove(Chessman c, int x, int y, out float delay)
{
delay = 0;
if (x == EnPassantMove[0] && y == EnPassantMove[1])
{
if (isWhiteTurn)
{
c = Chessmans[x, y - 1];
}
else
{
c = Chessmans[x, y + 1];
}
c.RotateEach(ROTATE_TIME);
c.DestroyAfter(DELAY_TIME);
//selectedChessman.RotateEach(ROTATE_TIME);
delay = DELAY_TIME;
}
EnPassantMove[0] = -1;
EnPassantMove[1] = -1;
// EnPassant
if (selectedChessman.GetType() == typeof(Pawn))
{
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;
}
}
}