protected List <int> GetAllowedCardIndexes()
{
int lastCardValue = _MainGameModtroller.DiscardPileLastValue;
MainGameModtroller.PlayDirection direction = _MainGameModtroller.Direction;
ReadOnlyCollection <CardController> handCards = Hand.ReadOnlyCards;
List <int> allowedCardIndexes = new List <int>();
if (_MainGameModtroller.MaxDeviationRule && direction != MainGameModtroller.PlayDirection.UNDECIDED)
{
allowedCardIndexes.AddRange(handCards.AllIndexesSuchThat(
c => Mathf.Abs(c.CardValue - lastCardValue) <= _MainGameModtroller.MaxDeviationThreshold));
if (_MainGameModtroller.WildcardRule)
{
allowedCardIndexes.AddRange(handCards.AllIndexesSuchThat(
(c, i) => c.CardValue == _MainGameModtroller.WildCardValue && !allowedCardIndexes.Contains(i)));
}
}
else
{
for (int i = 0, iMax = handCards.Count; i < iMax; ++i)
{
allowedCardIndexes.Add(i);
}
}
for (int i = allowedCardIndexes.LastIndex(); i >= 0; --i) // Reverse iterate to not invalidate
{
if (!((direction == MainGameModtroller.PlayDirection.UNDECIDED) ||
(_MainGameModtroller.WildcardRule && handCards[allowedCardIndexes[i]].CardValue == _MainGameModtroller.WildCardValue) ||
(direction == MainGameModtroller.PlayDirection.DOWN && handCards[allowedCardIndexes[i]].CardValue <= lastCardValue) ||
(direction == MainGameModtroller.PlayDirection.UP && handCards[allowedCardIndexes[i]].CardValue >= lastCardValue)))
{
allowedCardIndexes.RemoveAt(i);
}
}
return(allowedCardIndexes);
}
