public override PlayerColour?getWinner()
{
owner = owner == null?winChecker.checkForWin(this) : owner;
if (owner == null)
{
throw new NoWinnerException();
}
return(owner);
}
public PlayerColour?checkForWin(BoardGame game)
{
Point p = check(game);
PlayerColour?result = null;
if (p.X != -1)
{
result = game.getBoard()[p.X][p.Y].getWinner();
}
else if (successor != null)
{
result = successor.checkForWin(game);
}
return(result);
}