public bool IsSraightFlush(Hand hand)
{
if (IsFlush(hand))
return IsStraight(hand);
return false;
}
public bool IsFullHouse(Hand hand)
{
IEnumerable<IGrouping<Rank, Card>> groupings = hand.GroupBy(c => c.Rank);
return(groupings.Count() == 2 &&
(groupings.ElementAt(0).Count() == 2 ||
groupings.ElementAt(0).Count() == 3));
}
public bool IsFourOfAKind(Hand hand)
{
foreach (IGrouping<Rank, Card> grouping in hand.GroupBy(c => c.Rank))
if (grouping.Count() == 4)
return true;
return false;
}
public bool IsRoyalFlush(Hand hand)
{
Card bestCardRank = (from c in hand where c.Rank.Value == 14 select c).FirstOrDefault();
if (bestCardRank != null)
return IsSraightFlush(hand);
return false;
}
/// <summary>
/// TODO Move all of this to the game descriptor class
/// </summary>
/// <param name="hand"></param>
/// <returns></returns>
public Hand.HandType GetBestHandType(Hand hand)
{
if (IsRoyalFlush(hand)) return Hand.HandType.RoyalFlush;
else if (IsSraightFlush(hand)) return Hand.HandType.StraightFlush;
else if (IsFourOfAKind(hand)) return Hand.HandType.FourOfAkind;
else if (IsFullHouse(hand)) return Hand.HandType.FullHouse;
else if (IsFlush(hand)) return Hand.HandType.Flush;
else if (IsStraight(hand)) return Hand.HandType.Straight;
else if (IsThreeOfAKind(hand)) return Hand.HandType.ThreeOfAKind;
else if (IsTwoPair(hand)) return Hand.HandType.TwoPair;
else if (IsTwoOfAKind(hand)) return Hand.HandType.TwoOfAKind;
return Hand.HandType.HighCard;
}
public bool IsStraight(Hand hand)
{
CardCollection cards = new CardCollection(hand.OrderBy(c => c.Rank.Value));
for (int i = 0; i < cards.Count; ++i)
{
if (cards.Count > i)
{
if ((cards[i].Rank.Value + 1) != cards[i + 1].Rank.Value)
return false;
}
}
return true;
}
public bool IsHighCard(Hand hand)
{
return true;
}
public bool IsFlush(Hand hand)
{
return (hand.Select(c => c.Suit).Distinct().Count() == 1);
}
public bool IsTwoPair(Hand hand)
{
IEnumerable<IGrouping<Rank, Card>> groupings = hand.GroupBy(c => c.Rank);
return ((from g in groupings where g.Count() == 2 select g).Count() == 2);
}
public Player(Hand hand)
{
_hand = hand;
}
public Player()
{
_hand = new Hand();
}
public CardCollectionOperationResult RemoveCard(Hand hand, Card card)
{
hand.Remove(card);
return new CardCollectionOperationResult(hand, card);
}
public Hand.HandType GetBestHand(Hand hand)
{
HandRankManager rankManager = new HandRankManager();
return rankManager.GetBestHandType(hand);
}
public CardCollectionOperationResult AddCard(Hand hand, Card card)
{
hand.Add(card);
return new CardCollectionOperationResult(hand);
}