//---------------------------------------------------------------------
// <summary>
// Finds the best possible hand given a player's cards and all revealed comunity cards.
// </summary>
// <param name="cards">A player's cards + all revealed comunity cards (at lesat 5 in total)</param>
// <returns>Returns an object of type BestHandZhongFB</returns>
public BestHandZhongFB GetBestHand(IEnumerable <Card> cards)
{
var cardTypeMap = new Dictionary <MaJiangType, List <Card> >();
foreach (var card in cards)
{
List <Card> listTypeCard = null;
cardTypeMap.TryGetValue((MaJiangType)card.Type, out listTypeCard);
if (listTypeCard == null)
{
listTypeCard = new List <Card>();
}
listTypeCard.Add(card);
cardTypeMap[(MaJiangType)card.Type] = listTypeCard;
}
var pairTypes = this.GetTypesWithNCards(cardTypeMap, 2);
// Pair
if (pairTypes.Count == 2)
{
var bestCards = new List <CardData>();
bestCards.AddRange(pairTypes);
CardData card_data_first = bestCards[0];
HandRankTypeZhongFB rank_type = HandRankTypeZhongFB.BaoZi;
if (card_data_first.suit == (byte)MaJiangSuit.Bai)
{
rank_type = HandRankTypeZhongFB.BaoZiBai;
}
else if (card_data_first.suit == (byte)MaJiangSuit.Zhong)
{
rank_type = HandRankTypeZhongFB.BaoZiZhong;
}
else if (card_data_first.suit == (byte)MaJiangSuit.Fa)
{
rank_type = HandRankTypeZhongFB.BaoZiFa;
}
return(new BestHandZhongFB(rank_type, bestCards, pairTypes));
}
else
{
// High card
int cards_count = cards.Count();
int take_count = (cards_count >= ComparableCards) ? ComparableCards : cards_count;
var bestCards = cards.Select(x => x.GetCardData()).OrderByDescending(x => x.type).Take(take_count).ToList();
bool exists_2_bing = bestCards.Exists(x => x.type == (byte)MaJiangType.Two && x.suit == (byte)MaJiangSuit.Tong);
bool exists_8_bing = bestCards.Exists(x => x.type == (byte)MaJiangType.Eight && x.suit == (byte)MaJiangSuit.Tong);
HandRankTypeZhongFB rank_type = HandRankTypeZhongFB.Dian0;
if (exists_2_bing && exists_8_bing)
{
rank_type = HandRankTypeZhongFB.TianGang;
}
else
{
var hand_value = 0;
foreach (var i in cards)
{
MaJiangSuit mj_suit = (MaJiangSuit)i.Suit;
if (mj_suit == MaJiangSuit.Tong)
{
hand_value += i.Type;
}
}
var dian = hand_value % 10;
foreach (var i in Enum.GetValues(typeof(HandRankTypeZhongFB)))
{
HandRankTypeZhongFB t = (HandRankTypeZhongFB)i;
if ((int)t == dian)
{
rank_type = t;
break;
}
}
}
return(new BestHandZhongFB(rank_type, bestCards, bestCards));
}
}