//HandEvaluator constructor passing the hand to be evaluated
public HandEvaluator(Card[] sortedHand)
{
heartsSum = 0;
diamondSum = 0;
clubSum = 0;
spadesSum = 0;
//determine the high cards for the hand of each player, important for if the hands match
if ((int)sortedHand[0].myValue > (int)sortedHand[1].myValue)
{
HighCard = (int)sortedHand[0].myValue;
SecondHighCard = (int)sortedHand[1].myValue;
}
else if ((int)sortedHand[1].myValue > (int)sortedHand[0].myValue)
{
HighCard = (int)sortedHand[1].myValue;
SecondHighCard = (int)sortedHand[0].myValue;
}
/* copy the sorted hand to an array called cards
* (nicer naming convention than "sortedHand", I am aware arrays are passed by ref)*/
cards = new Card[sortedHand.Length];
Cards = sortedHand;
handValue = new HandValue();
}
internal HandValue GetHandValue()
{
var rankGroups = Cards.GroupBy(card => card.Rank);
if (rankGroups.Count() == 5)
{
// todo: check exotics
return(new HandValue
{
HandType = HandType.HighCard,
HighCard = Cards.Select(card => GetCardValue(card.Rank)).Max()
});
}
if (rankGroups.Count() == 4)
{
var pair = rankGroups.Single(group => group.Count() == 2);
return(new HandValue
{
HandType = HandType.SinglePair,
HighCard = GetCardValue(pair.Key)
});
}
// todo, todo, todo, todo, todo, toodoooo
// 1. check if all cards are different
// hint use grouping
return(HandValue.GetEmpty());
}
public HandEvaluator(Card[] sortedHand)
{
heartsSum = 0;
diamondSum = 0;
clubSum = 0;
spadeSum = 0;
cards = new Card[5];
Cards = sortedHand;
handValue = new HandValue();
}
public HandEvaluator(Card[] sortedHand)
{
heartsSum = 0;
diamondSum = 0;
clubSum = 0;
spadesSum = 0;
cards = new Card[7];
Cards = sortedHand;
handValue = new HandValue();
if ((int)cards[0].myValue > (int)cards[1].myValue)
{
handValue.HighCard = (int)cards[0].myValue;
handValue.SecondHighCard = (int)cards[1].myValue;
}
else if ((int)cards[1].myValue > (int)cards[0].myValue)
{
handValue.HighCard = (int)cards[1].myValue;
handValue.SecondHighCard = (int)cards[0].myValue;
}
}
internal HandValue GetHandValue()
{
var rankGroups = Cards.GroupBy(card => card.Rank);
var suiteGroups = Cards.GroupBy(card => card.Suit);
// Flush, RoyalFlush, StraightFlush.
if (rankGroups.Count() == 5 && suiteGroups.Count() == 1)
{
var max = Cards.Select(card => GetCardValue(card.Rank)).Max();
var min = Cards.Select(card => GetCardValue(card.Rank)).Min();
var getCards = Cards.OrderBy(a => a.Rank).Select(card => GetCardValue(card.Rank)).ToList();
var streetCards = $"{getCards[0]}{getCards[1]}{getCards[2]}{getCards[3]}{getCards[4]}";
var royalCards = $"{min}{getCards[2]}{getCards[3]}{getCards[4]}{max}";
var convertToIntStreet = Convert.ToInt32(streetCards);
var convertToIntRoyal = Convert.ToInt32(royalCards);
if (max == 14 && min == 10)
{
if ((max - min) == 4)
{
return(new HandValue
{
HandType = HandType.RoyalFlush,
HighCard = convertToIntRoyal
});
}
}
if ((max - min) == 4)
{
return(new HandValue
{
HandType = HandType.StraightFlush,
HighCard = convertToIntStreet
});
}
return(new HandValue
{
HandType = HandType.Flush,
HighCard = Cards.Select(card => GetCardValue(card.Rank)).Max()
});
}
// Straight, HighCard .
if (rankGroups.Count() == 5)
{
var max = Cards.Select(card => GetCardValue(card.Rank)).Max();
var min = Cards.Select(card => GetCardValue(card.Rank)).Min();
var getCards = Cards.OrderBy(a => a.Rank).Select(card => GetCardValue(card.Rank)).ToList();
var streetCards = $"{getCards[0]}{getCards[1]}{getCards[2]}{getCards[3]}{getCards[4]}";
var convertToInt = Convert.ToInt32(streetCards);
if ((max - min) == 4)
{
return(new HandValue
{
HandType = HandType.Straight,
HighCard = convertToInt
});
}
return(new HandValue
{
HandType = HandType.HighCard,
HighCard = max
});
}
// Single Pair
if (rankGroups.Count() == 4)
{
var pair = rankGroups.Single(group => group.Count() == 2);
return(new HandValue
{
HandType = HandType.SinglePair,
HighCard = GetCardValue(pair.Key)
});
}
// FullHouse, FourOfAKind
if (rankGroups.Count() == 2)
{
var threeOfKind = rankGroups.Where(group => group.Count() == 3);
var twoPair = rankGroups.Where(group => group.Count() == 2);
if (threeOfKind.Count() == 1 && twoPair.Count() == 1)
{
int getFullHouseArray = 0;
foreach (var item in threeOfKind)
{
getFullHouseArray = GetCardValue(item.Key);
}
return(new HandValue
{
HandType = HandType.FullHouse,
HighCard = getFullHouseArray
});
}
else
{
var poker = rankGroups.Where(group => group.Count() == 4);
int getKeyInArray = 0;
foreach (var item in poker)
{
getKeyInArray = GetCardValue(item.Key);
}
return(new HandValue
{
HandType = HandType.FourOfAKind,
HighCard = getKeyInArray
});
}
}
// ThreeOfAKind, TwoPair.
if (rankGroups.Count() == 3)
{
var threeOfKind = rankGroups.Where(group => group.Count() == 3);
var twoPair = rankGroups.Where(group => group.Count() == 2).ToList();
if (twoPair.Count() == 2)
{
var getKeyInArrayForTwo = GetCardValue(twoPair[0].Key);
var getKeyInArrayForSecondPair = GetCardValue(twoPair[1].Key);
var twoPairs = $"{getKeyInArrayForTwo}{getKeyInArrayForSecondPair}";
var ConvertToInt = Convert.ToInt32(twoPairs);
return(new HandValue
{
HandType = HandType.TwoPairs,
HighCard = ConvertToInt
});
}
int getKeyInArray = 0;
foreach (var item in threeOfKind)
{
getKeyInArray = GetCardValue(item.Key);
}
return(new HandValue
{
HandType = HandType.ThreeOfAKind,
HighCard = getKeyInArray
});
}
return(HandValue.GetEmpty());
}
