// egy lépés szimulálása
public override IState SimulateStep(IState current, AbstractStep step)
{
if (!(step is QuartoStep))
throw new Exception("Not proper step type!");
QuartoStep cStep = (QuartoStep)step;
Board returnBoard = new Board((Board)current);
if (returnBoard.SelectedPiece == null)
{
returnBoard.SelectedPiece= cStep.P;
returnBoard.UpdateActivePieces(returnBoard.ActivePieces, returnBoard.SelectedPiece);
}
else
{
returnBoard.insertPiece(cStep.X, cStep.Y, returnBoard.SelectedPiece);
returnBoard.SelectedPiece = null;
returnBoard.checkWinningState();
}
if (returnBoard == (Board)current)
{
return null;
}
return returnBoard;
}