public bool TopPair(PokerHand hand, int rIdx, int aIdx)
{
if(Hand.EvaluateType(hand.HeroHoleCards() | hand.BoardMask((Rounds)rIdx)) != Hand.HandTypes.Pair)
return false;
var board = hand.Board((Rounds)rIdx);
var top = board.Max(c => c.Rank);
return top == hand.HoleCards[0].Rank || top == hand.HoleCards[1].Rank;
}
public bool StraightDrawHit(PokerHand hand, int rIdx, int aIdx)
{
var prev = hand.Board((Rounds)(rIdx - 1)).ToMask();
var prevCount = Hand.CountContiguous(prev);
if (prevCount != 2)
return false;
var board = hand.BoardMask((Rounds)rIdx);
var hole = hand.HeroHoleCards();
foreach(var opp in Hand.Hands(0UL, hole | board, 2))
if (Hand.EvaluateType(board | opp) == Hand.HandTypes.Straight
&& Hand.EvaluateType(prev | opp) != Hand.HandTypes.Straight
&& Hand.IsOpenEndedStraightDraw(prev | opp, hole))
return true;
return false;
}
public int SecondaryBoardSuit(PokerHand hand, int rIdx, int aIdx)
{
var board = hand.Board((Rounds)rIdx);
var suits = board.GroupBy(c => c.Suit).OrderByDescending(g => g.Count());
var secondary = suits.Skip(1).FirstOrDefault();
if (secondary == null)
return 0;
return secondary.Count();
}
public bool FourCardStraightHit(PokerHand hand, int rIdx, int aIdx)
{
var prev = hand.Board((Rounds)(rIdx - 1)).ToMask();
int prevCount = Hand.CountContiguous(prev);
if (prevCount != 3)
return false;
return Hand.CountContiguous(hand.BoardMask((Rounds)rIdx)) == 4;
}
public bool FlushDrawHit(PokerHand hand, int rIdx, int aIdx)
{
var prev = hand.Board((Rounds)(rIdx-1));
var prevSuits = prev.GroupBy(c => c.Suit).OrderByDescending(g => g.Count());
if (prevSuits.First().Count() != 2)
return false;
var board = hand.Board((Rounds)rIdx);
var suits = board.GroupBy(c => c.Suit).OrderByDescending(g => g.Count());
return suits.First().Count() == 3;
}
public int DominantBoardSuit(PokerHand hand, int rIdx, int aIdx)
{
var board = hand.Board((Rounds)rIdx);
var suits = board.GroupBy(c => c.Suit).OrderByDescending(g => g.Count());
return suits.First().Count();
}