示例#1
0
        public static bool IsFlush(Card[] hand)
        {
            hand = hand.OrderBy(item =>
            {
                var findByName = Enumeration.FindByName <Suit>(item.Suit);
                return(findByName.Id);
            }).ToArray();

            int maxCardIndex = hand.Length - 1;

            return(hand[0].Suit.Equals(hand[maxCardIndex].Suit));
        }
示例#2
0
        public static bool IsStraight(Card[] hand)
        {
            // Sort hand by rank.
            hand = hand.OrderBy(item => Enumeration.FindByName <Rank>(item.Rank).Id).ToArray();

            // Increments the rank of the current position by 1, beginning the sequence.
            int sequentialRank = Enumeration.FindByName <Rank>(hand[0].Rank).Id + 1;

            // If the next card does not match the sequence, the loop breaks. Otherwise, it succeeds.
            for (int i = 1; i < hand.Length; i++)
            {
                if (hand[i].Rank != Enumeration.FindById <Rank>(sequentialRank++).Name)
                {
                    return(false);
                }
            }

            return(true);
        }
示例#3
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        // <summary>
        /// Checks for a one pair hand.
        /// </summary>
        /// <remarks>A one pair hand has two cards of the same rank.</remarks>
        /// <param name="hand">The player's hand.</param>
        /// <returns>Returns true if the hand is a one pair; returns false otherwise.</returns>
        public static bool IsOnePair(Card[] hand)
        {
            // Check whether the hand is not a one pair but better.
            if (IsThreeOfAKind(hand))
            {
                return(false);
            }

            // Sort hand by rank.
            hand = hand.OrderBy(item => Enumeration.FindByName <Rank>(item.Rank).Id).ToArray();

            // Check for two cards of the same rank in the lower position.
            // a a b c d
            bool lowPair = hand[0].Rank == hand[1].Rank;

            // Check for two cards of the same rank in the lower middle position.
            // a b b c d
            bool lowerMiddlePair = hand[1].Rank == hand[2].Rank;


            return(lowPair || lowerMiddlePair);
        }
示例#4
0
        public static bool IsThreeOfAKind(Card[] hand)
        {
            // Sort hand by rank.
            hand = hand.OrderBy(item => Enumeration.FindByName <Rank>(item.Rank).Id).ToArray();

            // Check for 3 cards of the same rank and two high unmatched cards.
            // a a a b c
            bool lowThreeOfAKind = hand[0].Rank == hand[1].Rank &&
                                   hand[1].Rank == hand[2].Rank;

            //// Check for 3 cards of the same rank, one low unmatched card and one high unmatched card.
            //// a b b b c
            //bool middleThreeOfAKind = (int)hand[1].Rank == (int)hand[2].Rank &&
            //                          (int)hand[2].Rank == (int)hand[3].Rank;

            //// Check for 3 cards of the same rank and two low unmatched cards
            //// a b c c c
            //bool highThreeOfAKind = (int)hand[2].Rank == (int)hand[3].Rank &&
            //                        (int)hand[3].Rank == (int)hand[4].Rank;

            return(lowThreeOfAKind);
        }