public StepPossibility GetStepPossibilities(FigureColor color)
{
for (int yfrom = 0; yfrom < 8; yfrom++)
{
for (int xfrom = 0; xfrom < 8; xfrom++)
{
for (int yto = 0; yto < 8; yto++)
{
for (int xto = 0; xto < 8; xto++)
{
StepMemento memento = StepWithMemento(xfrom, yfrom, xto, yto, color);
if (memento != null)
{
if (!IsKingChecked(color))
{
RestoreMemento(memento);
return(StepPossibility.Continue);
}
RestoreMemento(memento);
}
}
}
}
}
if (IsKingChecked(color))
{
return(StepPossibility.CheckMate);
}
return(StepPossibility.StaleMate);
}
public bool StepWithoutCheck(int xFrom, int yFrom, int xTo, int yTo, FigureColor color)
{
StepMemento memento = StepWithMemento(xFrom, yFrom, xTo, yTo, color);
if (memento != null && !IsKingChecked(color))
{
return(true);
}
if (memento != null)
{
RestoreMemento(memento);
}
return(false);
}
public void RestoreMemento(StepMemento memento)
{
Figures[memento.FromX, memento.FromY] = Figures[memento.ToX, memento.ToY];
Figures[memento.ToX, memento.ToY] = memento.OldAtTo;
}
