int DrawCard()
{
int cardDrawn = knowledgePile.DrawCard();
if (cardDrawn == -1)
{
int[] tempPile = memoriesPile.Empty();
if (tempPile != null && tempPile.Length != 0)
{
knowledgePile.AddCards(tempPile);
knowledgePile.Shuffle();
cardDrawn = knowledgePile.DrawCard();
}
else
{
// Ran out of cards to draw
return(-1);
}
}
return(cardDrawn);
}