public List <SheepCard> RetireOneFailSuitsWithOneAceOrTen()
{
if (_acesAndTens.Count != 1)
{
return(null);
}
var pointSuit = _acesAndTensPerSuit.Single(g => g.Key != Suit.TRUMP).Key;
var twoCardSuit = CardsPerSuit
.Where(cps => cps.Value == 2)
.Where(cps => cps.Key == pointSuit)
.Select(cps => cps.Key)
.FirstOrDefault();
var buryCards = _cards.Where(c => CardUtil.GetSuit(c) == twoCardSuit).ToList();
if (buryCards.Count != 2)
{
return(null);
}
if (!buryCards.Contains(_acesAndTens.Single()))
{
return(null);
}
return(buryCards);
}
public List <SheepCard> RetireTwoFailSuitsWithOneAceOrTen()
{
if (_acesAndTens.Count != 1)
{
return(null);
}
var pointSuit = _acesAndTensPerSuit.Single(g => g.Key != Suit.TRUMP).Key;
var oneCardSuits = CardsPerSuit
.Where(cps => cps.Value == 1)
.OrderBy(cps => cps.Key == pointSuit ? 1 : 2)
.Select(cps => cps.Key)
.Take(2)
.ToList();
var buryCards = _cards.Where(c => oneCardSuits.Contains(CardUtil.GetSuit(c))).ToList();
if (buryCards.Count != 2)
{
return(null);
}
if (!buryCards.Contains(_acesAndTens.Single()))
{
return(null);
}
return(buryCards);
}
private SheepCard GetLeadMove(ITrick trick)
{
if (trick.IHand.Picker == this || IamPartner(trick))
{
return(Cards
.Where(c => trick.IsLegalAddition(c, this))
.OrderBy(c => CardUtil.GetSuit(c) == Suit.TRUMP ? 1 : 2)
.FirstOrDefault());
}
else
{
if (trick.IHand.IGame.PartnerMethodEnum == PartnerMethod.CalledAce && trick.IHand.PartnerCardEnum.HasValue)
{
var partnerCardSuit = CardUtil.GetSuit(trick.IHand.PartnerCardEnum.Value);
return(Cards
.OrderBy(c => CardUtil.GetSuit(c) == partnerCardSuit ? 1 : 2)
.FirstOrDefault());
}
else
{
return(Cards
.OrderBy(c => CardUtil.GetSuit(c) != Suit.TRUMP ? 1 : 2)
.FirstOrDefault());
}
}
}
public TrickWinner Winner()
{
var moves = OrderedMoves;
if (!moves.Any())
{
return(null);
}
var firstSuite = CardUtil.GetSuit(moves.First().Value);
var validCards = new List <KeyValuePair <IPlayer, SheepCard> >();
foreach (var keyValuePair in moves)
{
var suite = CardUtil.GetSuit(keyValuePair.Value);
if (suite == firstSuite || suite == Suit.TRUMP)
{
validCards.Add(keyValuePair);
}
}
return(new TrickWinner()
{
Player = validCards.OrderBy(kvp => CardUtil.GetRank(kvp.Value)).First().Key,
Points = moves.Sum(c => CardUtil.GetPoints(c.Value))
});
}
public void CardUtil_GetSuit()
{
Assert.AreEqual(Suit.TRUMP, CardUtil.GetSuit(SheepCard.QUEEN_CLUBS));
Assert.AreEqual(Suit.TRUMP, CardUtil.GetSuit(SheepCard.QUEEN_DIAMONDS));
Assert.AreEqual(Suit.SPADES, CardUtil.GetSuit(SheepCard.ACE_SPADES));
Assert.AreEqual(Suit.CLUBS, CardUtil.GetSuit(SheepCard.N7_CLUBS));
Assert.AreEqual(Suit.TRUMP, CardUtil.GetSuit(SheepCard.N7_DIAMONDS));
}
public override bool GoItAlone(IHand hand)
{
var trumpCount = Cards.Count(c => CardUtil.GetSuit(c) == Suit.TRUMP);
var queenJackCount = Cards.Count(c => new[] { CardType.JACK, CardType.QUEEN }.Contains(CardUtil.GetFace(c)));
var queenCount = Cards.Count(c => CardUtil.GetFace(c) == CardType.QUEEN);
return(trumpCount >= 5 && queenJackCount >= 3 && queenCount >= 2);
}
private static SheepCard GetStrongestCard(IEnumerable <SheepCard> unrevealedCards, Suit startSuit)
{
return(unrevealedCards
.OrderBy(c => CardUtil.GetSuit(c) == Suit.TRUMP ? 1 : 2)
.ThenBy(c => CardUtil.GetSuit(c) == startSuit ? 1 : 2)
.ThenBy(c => CardUtil.GetRank(c))
.First());
}
protected override List <SheepCard> DropCardsForPickInternal(IHand hand)
{
return(Cards
.OrderBy(c => CardUtil.GetSuit(c) != Suit.TRUMP ? 1 : 2)
.ThenByDescending(c => CardUtil.GetPoints(c))
.Take(2)
.ToList());
}
public override bool WillPick(IHand hand)
{
var playerQueueRankInTrick = QueueRankInHand(hand);
var middleQueueRankInTrick = (hand.PlayerCount + 1) / 2;
var trumpCount = this.Cards.Count(c => CardUtil.GetSuit(c) == Suit.TRUMP);
var willPick = playerQueueRankInTrick > middleQueueRankInTrick && trumpCount >= 3 ||
playerQueueRankInTrick == middleQueueRankInTrick && trumpCount >= 4 ||
trumpCount >= 5;
return(willPick);
}
public static KeyValuePair <IPlayer, SheepCard> GetWinningPlay(ITrick trick)
{
var startSuit = CardUtil.GetSuit(trick.CardsByPlayer.First().Value);
var winningPlay = trick.CardsByPlayer
.OrderBy(cp => CardUtil.GetSuit(cp.Value) == Suit.TRUMP ? 1 : 2)
.ThenBy(cp => CardUtil.GetSuit(cp.Value) == startSuit ? 1 : 2)
.ThenBy(cp => CardUtil.GetRank(cp.Value))
.First();
return(winningPlay);
}
public List <SheepCard> RetireOneFailOrLowestRankCards()
{
var groups = _cards
.GroupBy(c => CardUtil.GetSuit(c))
.OrderBy(g => g.Key != Suit.TRUMP ? CardsPerSuit[g.Key] : int.MaxValue);
var retVal = new List <SheepCard>();
foreach (var group in groups)
{
retVal.AddRange(group.OrderByDescending(c => CardUtil.GetRank(c)));
}
return(retVal.Take(2).ToList());
}
public List <SheepCard> RetireTwoFailSuits()
{
var buryCards = _cards
.Where(c => CardUtil.GetSuit(c) != Suit.TRUMP)
.Where(c => CardsPerSuit[CardUtil.GetSuit(c)] == 1)
.Take(2)
.ToList();
if (buryCards.Count == 2)
{
return(buryCards);
}
return(null);
}
public bool UnplayedCardsBeatMyCards(IPlayer thisPlayer, ITrick trick)
{
var playableCards = thisPlayer.Cards.Where(c => trick.IsLegalAddition(c, thisPlayer));
var unrevealedCards = GetUnrevealedCards(thisPlayer, trick);
var startSuit = CardUtil.GetSuit(trick.CardsByPlayer.First().Value);
var strongestUnrevealedCard = GetStrongestCard(unrevealedCards, startSuit);
var strongestOfMyCards = GetStrongestCard(playableCards, startSuit);
var strongestCard = GetStrongestCard(new List <SheepCard>()
{
strongestUnrevealedCard, strongestOfMyCards
}, startSuit);
return(strongestCard == strongestUnrevealedCard);
}
public List <SheepCard> RetireOneFailSuit()
{
var buryCards = _cards
.Where(c => CardUtil.GetSuit(c) != Suit.TRUMP)
.Where(c => CardsPerSuit[CardUtil.GetSuit(c)] == 2)
.GroupBy(c => CardUtil.GetSuit(c))
.ToList();
if (buryCards.Any())
{
return(buryCards.First().ToList());
}
return(null);
}
private bool IsLegalStartingCardInCalledAceGame(SheepCard card, IPlayer player)
{
var suitOfPartnerCard = CardUtil.GetSuit(IHand.PartnerCardEnum.Value);
if (player == IHand.Picker)
{
return(true);
}
//Partner cannot lead with card in partner suit unless partner card has already been played or card is the partner card.
return(!IHand.PartnerCardEnum.HasValue ||
!player.Cards.Contains(IHand.PartnerCardEnum.Value) ||
card == IHand.PartnerCardEnum ||
CardUtil.GetSuit(card) != CardUtil.GetSuit(IHand.PartnerCardEnum.Value));
}
public BuriedCardSelector(IReadOnlyList <SheepCard> cards)
{
CardsPerSuit = cards
.Where(c => CardUtil.GetSuit(c) != Suit.TRUMP)
.GroupBy(c => CardUtil.GetSuit(c))
.ToDictionary(g => g.Key, g => g.Count());
_cards = cards;
_acesAndTens = cards
.Where(c => CardUtil.GetSuit(c) != Suit.TRUMP)
.Where(c => new[] { CardType.ACE, CardType.N10 }.Contains(CardUtil.GetFace(c)))
.ToList();
_acesAndTensPerSuit = _acesAndTens
.GroupBy(c => CardUtil.GetSuit(c))
.Where(g => g.Key != Suit.TRUMP)
.OrderBy(g => g.Count())
.ToList();
}
public void BuriedCardSelector_BuryCardsByEasiestToRetireLowestRank_RetireNothing()
{
var cards = new List <SheepCard>()
{
SheepCard.N9_SPADES,
SheepCard.N8_SPADES,
SheepCard.N7_SPADES,
SheepCard.N7_CLUBS,
SheepCard.KING_CLUBS,
SheepCard.N8_CLUBS,
SheepCard.KING_DIAMONDS,
SheepCard.QUEEN_CLUBS
};
var selector = new BuriedCardSelector(cards);
var actual = selector.CardsToBury;
Assert.IsTrue(actual.All(c => CardUtil.GetSuit(c) == Suit.SPADES) || actual.All(c => CardUtil.GetSuit(c) == Suit.CLUBS));
}
protected LegalCalledAces LegalCalledAceSuits(IHand hand)
{
var allPickersCards = Cards
.Union(hand.Blinds)
.Union(hand.Buried)
.ToList();
var allAces = new List <SheepCard>()
{
SheepCard.ACE_CLUBS, SheepCard.ACE_HEARTS, SheepCard.ACE_SPADES
};
var allTens = new List <SheepCard>()
{
SheepCard.N10_CLUBS, SheepCard.N10_HEARTS, SheepCard.N10_SPADES
};
var pickerHasAllAces = allAces.All(c => allPickersCards.Contains(c));
var potentialPartnerCards = pickerHasAllAces ? allTens : allAces;
var illegalSuits =
potentialPartnerCards
.Where(sc => allPickersCards.Contains(sc))
.Select(sc => CardUtil.GetSuit(sc))
.Union(new List <Suit>()
{
Suit.TRUMP
})
.ToList();
var acceptableSuits = allPickersCards
.Where(c =>
{
var suit = CardUtil.GetSuit(c);
return(!illegalSuits.Contains(suit));
})
.GroupBy(c => CardUtil.GetSuit(c));
return(new LegalCalledAces()
{
LegalSuits = acceptableSuits,
CardType = pickerHasAllAces ? CardType.N10 : CardType.ACE
});
}
public static IEnumerable <SheepCard> GetCardsThatCouldWin(ITrick trick, IEnumerable <SheepCard> comparisonCards)
{
if (!trick.CardsByPlayer.Any())
{
return(comparisonCards);
}
var startSuit = CardUtil.GetSuit(trick.CardsByPlayer.First().Value);
var winningCard = GameStateUtils.GetWinningPlay(trick).Value;
var winningCardRank = CardUtil.GetRank(winningCard);
if (CardUtil.GetSuit(winningCard) == Suit.TRUMP)
{
return(comparisonCards.Where(c => CardUtil.GetRank(c) < winningCardRank));
}
else
{
return(comparisonCards.Where(c =>
CardUtil.GetSuit(c) == Suit.TRUMP ||
CardUtil.GetSuit(c) == startSuit && CardUtil.GetRank(c) < winningCardRank
));
}
}
public void BuriedCardSelector_BuryCardsByEasiestToRetireLowestRank_RetireOneButNotOther()
{
var cards = new List <SheepCard>()
{
SheepCard.N7_SPADES,
SheepCard.JACK_HEARTS,
SheepCard.N8_DIAMONDS,
SheepCard.N8_SPADES,
SheepCard.KING_HEARTS,
SheepCard.KING_DIAMONDS,
SheepCard.N9_SPADES,
SheepCard.QUEEN_CLUBS
};
var selector = new BuriedCardSelector(cards);
var expected = new List <SheepCard>()
{
SheepCard.KING_HEARTS, SheepCard.KING_CLUBS
};
var actual = selector.CardsToBury;
Assert.IsTrue(actual.Contains(SheepCard.KING_HEARTS));
Assert.IsTrue(actual.Any(c => CardUtil.GetSuit(c) == Suit.SPADES));
}
private static bool CardFollowsSuit(SheepCard card, IPlayer player, SheepCard firstCard)
{
return(CardUtil.GetSuit(card) == CardUtil.GetSuit(firstCard) || !player.Cards.Any(c => CardUtil.GetSuit(c) == CardUtil.GetSuit(firstCard)));
}