private bool checkForKing(figure kingMy)
{
figureColor oppColor = kingMy.getColor() == figureColor.White ? figureColor.Black : figureColor.White;
figure oppKing = getKing(oppColor);
return(Math.Abs(kingMy.x - oppKing.x) > 1 || Math.Abs(kingMy.y - oppKing.y) > 1);
}
private bool checkForKnight(figure kingMy)
{
int ix;
int iy;
for (int i = 0; i <= Knight.stepsForCheck.Length - 1; i++)
{
ix = kingMy.x + Knight.stepsForCheck[i].dx;
iy = kingMy.y + Knight.stepsForCheck[i].dy;
if (ix <= 7 && iy <= 7 && ix >= 0 && iy >= 0 && board[iy, ix] != null && board[iy, ix].getColor() != kingMy.getColor() && board[iy, ix].getName() == figureType.Knight)
{
return(false);
}
}
return(true);
}
private bool checkForPawn(figure kingMy)
{
figureColor kingColor = kingMy.getColor();
int ix;
int iy;
for (int i = 0; i <= Pawn.stepForCheck[kingColor].Length - 1; i++)
{
ix = kingMy.x + Pawn.stepForCheck[kingColor][i].dx;
iy = kingMy.y + Pawn.stepForCheck[kingColor][i].dy;
if (ix <= 7 && ix >= 0 && iy <= 7 && iy >= 0 && board[iy, ix] != null && board[iy, ix].getColor() != kingMy.getColor() && board[iy, ix].getName() == figureType.Pawn)
{
return(false);
}
}
return(true);
}
public bool isValidMove_Ch(int x1, int y1, int x2, int y2)
{
figure savedFigure = board[y2, x2];
board[y2, x2] = board[y1, x1];
board[y2, x2].x = x2;
board[y2, x2].y = y2;
board[y1, x1] = null;
bool res = !isChecked();
board[y1, x1] = board[y2, x2];
board[y1, x1].y = y1;
board[y1, x1].x = x1;
board[y2, x2] = savedFigure;
return(res);
}
private bool checkForDia(figure kingMy)
{
bool res = true;
for (int i = 0; (i <= Bishop.stepsForCheck.Length - 1) && res; i++)
{
int ix = kingMy.x + Bishop.stepsForCheck[i].dx;
int iy = kingMy.y + Bishop.stepsForCheck[i].dy;
while (ix <= 7 && iy <= 7 && ix >= 0 && iy >= 0)
{
if (board[iy, ix] != null)
{
res = res && ((board[iy, ix].getColor() == kingMy.getColor()) ||
(board[iy, ix].getName() != figureType.Queen && board[iy, ix].getName() != figureType.Bishop));
break;
}
ix += Bishop.stepsForCheck[i].dx;
iy += Bishop.stepsForCheck[i].dy;
}
}
return(res);
}