Beispiel #1
0
        public static (bool shouldPlayerHit, CellStrategyAndResult referencedStrategy) ShouldPlayerHit(List <Card> playerHand, Card dealerUpCard)
        {
            (int value, bool isSoft) = HandUtils.CalculateHandValue(playerHand);

            if (value >= 21)
            {
                return(false, null);
            }

            CellStrategyAndResult strategyToReference;

            if (isSoft)
            {
                if (!softHandStrategies.ContainsKey(dealerUpCard.Value))
                {
                    softHandStrategies[dealerUpCard.Value] = new Dictionary <int, CellStrategyAndResult>();
                }

                Dictionary <int, CellStrategyAndResult> playerTotalValueToStrategy = softHandStrategies[dealerUpCard.Value];

                if (!playerTotalValueToStrategy.ContainsKey(value))
                {
                    playerTotalValueToStrategy[value] = new CellStrategyAndResult();
                }

                strategyToReference = playerTotalValueToStrategy[value];
            }
            else
            {
                if (!hardHandStrategies.ContainsKey(dealerUpCard.Value))
                {
                    hardHandStrategies[dealerUpCard.Value] = new Dictionary <int, CellStrategyAndResult>();
                }

                Dictionary <int, CellStrategyAndResult> playerTotalValueToStrategy = hardHandStrategies[dealerUpCard.Value];

                if (!playerTotalValueToStrategy.ContainsKey(value))
                {
                    playerTotalValueToStrategy[value] = new CellStrategyAndResult();
                }

                strategyToReference = playerTotalValueToStrategy[value];
            }

            PlayerAction thingToDo = strategyToReference.WhatDo();

            return(thingToDo == PlayerAction.Hit, strategyToReference);
        }
Beispiel #2
0
        public BlackjackGameResult PlayGame(Queue <Card> shoe, int bet, IPlayerStrategy playerStrategy)
        {
            Card firstPlayerCard  = shoe.Dequeue();
            Card dealerUpCard     = shoe.Dequeue();
            Card secondPlayerCard = shoe.Dequeue();

            Console.WriteLine($"Dealer up card: {dealerUpCard}");
            Console.WriteLine($"Player has: {firstPlayerCard} {secondPlayerCard}");

            List <Card> playerHand = new List <Card> {
                firstPlayerCard, secondPlayerCard
            };

            if (Utilities.HandIsBlackjack(playerHand))
            {
                int winnings = Convert.ToInt32(bet * Configuration.BLACKJACK_PAYOUT_RATIO);
                Console.WriteLine($"Blackjack! Player wins: {winnings}");
                return(new BlackjackGameResult {
                    Winner = BlackjackResultWinner.PlayerWins, EarningsAfterGame = winnings
                });
            }

            PlayerStrategyUtils.RecommendedPlayerAction thingToDo = playerStrategy.WhatDo(playerHand, dealerUpCard);

            if (thingToDo == PlayerStrategyUtils.RecommendedPlayerAction.Double)
            {
                bet *= 2;
                Card nextCard = shoe.Dequeue();
                playerHand.Add(nextCard);
                // That's it
            }
            else
            {
                while (thingToDo == PlayerStrategyUtils.RecommendedPlayerAction.Hit)
                {
                    Card nextCard = shoe.Dequeue();
                    playerHand.Add(nextCard);
                    thingToDo = playerStrategy.WhatDo(playerHand, dealerUpCard);
                }
            }

            if (Utilities.HandBusted(playerHand))
            {
                return(new BlackjackGameResult {
                    Winner = BlackjackResultWinner.DealerWins, EarningsAfterGame = -bet
                });
            }

            Card dealerDownCard = shoe.Dequeue();

            List <Card> dealerHand = new List <Card> {
                dealerUpCard, dealerDownCard
            };

            bool dealerShouldStopHitting = HandUtils.HandHigherThanSoft17(dealerHand);

            while (!dealerShouldStopHitting)
            {
                dealerHand.Add(shoe.Dequeue());
                dealerShouldStopHitting = HandUtils.HandHigherThanSoft17(dealerHand);
            }

            if (Utilities.HandBusted(dealerHand))
            {
                return(new BlackjackGameResult {
                    Winner = BlackjackResultWinner.PlayerWins, EarningsAfterGame = bet
                });
            }

            int playerValue = HandUtils.CalculateHandValue(playerHand).value;
            int dealerValue = HandUtils.CalculateHandValue(dealerHand).value;

            if (playerValue == dealerValue)
            {
                return(new BlackjackGameResult {
                    Winner = BlackjackResultWinner.Push, EarningsAfterGame = 0
                });
            }
            else if (dealerValue > playerValue)
            {
                return(new BlackjackGameResult {
                    Winner = BlackjackResultWinner.DealerWins, EarningsAfterGame = -bet
                });
            }
            else
            {
                return(new BlackjackGameResult {
                    Winner = BlackjackResultWinner.PlayerWins, EarningsAfterGame = bet
                });
            }
        }