public static bool IsRoyalFlush(IEnumerable <Card> playerCards, IEnumerable <Card> tableCards)
{
var cards = new List <Card>(tableCards);
cards.AddRange(playerCards);
var comparer = new CardComparer();
cards.Sort(comparer);
var pair = MaxSuitCount(cards);
if (pair.Item2 < 5)
{
return(false);
}
cards = cards.Where(x => x.Suit == pair.Item1).ToList();
if
(
cards[cards.Count - 1].Rank == CardRank.Ace &&
cards[cards.Count - 2].Rank == CardRank.King &&
cards[cards.Count - 3].Rank == CardRank.Queen &&
cards[cards.Count - 4].Rank == CardRank.Jack &&
cards[cards.Count - 5].Rank == CardRank.Ten
)
{
return(true);
}
return(false);
}
public static bool IsStraightFlush(IEnumerable <Card> playerCards, IEnumerable <Card> tableCards)
{
var cards = new List <Card>(tableCards);
cards.AddRange(playerCards);
var comparer = new CardComparer();
cards.Sort(comparer);
var pair = MaxSuitCount(cards);
CardSuit maxSuit = pair.Item1;
int max = pair.Item2;
if (max < 5)
{
return(false);
}
bool haveAce = cards.Count(x => x.Rank == CardRank.Ace && x.Suit == maxSuit) == 1;
bool haveTwo = cards.Count(x => x.Rank == CardRank.Two && x.Suit == maxSuit) == 1;
if (haveTwo && haveAce)
{
if
(
cards.Exists(x => x.Rank == CardRank.Three && x.Suit == maxSuit) &&
cards.Exists(x => x.Rank == CardRank.Four && x.Suit == maxSuit) &&
cards.Exists(x => x.Rank == CardRank.Five && x.Suit == maxSuit)
)
{
return(true);
}
}
for (int i = 0; i < cards.Count - 5; ++i)
{
bool isSequence = true;
for (int j = 0; j < 4 && isSequence; ++j)
{
isSequence = comparer.Compare(cards[i + j], cards[i + j + 1]) == -1;
}
if (isSequence)
{
return(true);
}
}
return(false);
}
public static bool IsFlush(IEnumerable <Card> playerCards, IEnumerable <Card> tableCards)
{
var cards = new List <Card>(tableCards);
cards.AddRange(playerCards);
var comparer = new CardComparer();
cards.Sort(comparer);
var pair = MaxSuitCount(cards);
if (pair.Item2 >= 5)
{
return(true);
}
return(false);
}
