private void Settlement(ref BlackjackHandData blackjackHandData)
{
Player.hand.SetHandValues();
Dealer.hand.SetHandValues();
//SETTLE SPLIT HAND
if (Player.splitHand != null)
{
if (Player.splitHand.handValues.Last() > Dealer.hand.handValues.Last())
{
Console.WriteLine("Game Result: Player Wins Split Hand");
Player.Chips += Player.SplitHandStake * 2;
//Player Wins Split Hand
blackjackHandData.SplitGameResult = "W";
}
else if (Player.splitHand.handValues.Last() < Dealer.hand.handValues.Last())
{
Console.WriteLine("Game Result: Dealer Wins Split Hand");
blackjackHandData.SplitGameResult = "L";
}
else
{
Console.WriteLine("Game Result: TIE Split Hand");
Player.Chips += Player.SplitHandStake;
blackjackHandData.SplitGameResult = "D";
}
}
//If player hand value > dealers player wins
if (Player.hand.handValues.Last() > Dealer.hand.handValues.Last())
{
Console.WriteLine("Game Result: Player Wins");
Player.Chips += Player.Stake * 2;
//Player Wins
blackjackHandData.GameResult = "W";
}
//If player hand value < dealers player wins
else if (Player.hand.handValues.Last() < Dealer.hand.handValues.Last())
{
Console.WriteLine("Game Result: Dealer Wins");
blackjackHandData.GameResult = "L";
}
//If player hand value == dealers player ties
else
{
Console.WriteLine("Game Result: TIE");
Player.Chips += Player.Stake;
blackjackHandData.GameResult = "D";
}
Console.WriteLine($"Player Chips:\t{Player.Chips}");
}
/// <summary>
/// Launches simulation with chosen parameters
/// </summary>
public void RunGame()
{
//Game is initialised
InitialiseGame(_options.StrategyName);
//Create file and write first line
//File saved in data folder
string filename = $"{Player.StrategyName}_hands({_options.HandsToBePlayed})shuffleFrequency({_options.CardCountWhenToShuffle})deckSize({_options.DeckSize}).csv";
StreamWriter f = InitialiseStreamWriter(filename, _options.FilePath);
//BlackjackHandData blackjackHandData = new BlackjackHandData();
//A card is burnt
_burntCards.Add(Deck.Cards.Pop());
//Play n hands, where n is the amount of hands to be played chosen by user
for (int i = 0; i < _options.HandsToBePlayed; i++)
{
BlackjackHandData blackjackHandData = new BlackjackHandData();
Console.WriteLine($"-------------------------------------------------Hand Number:\t{HandsPlayed}---------------------------------------------------");//CONSOLE HAND SEPARATOR
//shuffle check Shuffles first turn available when cards left are smaller than the number specified
if (Deck.Cards.Count < _options.CardCountWhenToShuffle)
{
Deck = new Deck(_options.DeckSize);
//Shuffle deck and burn a card
Deck.FisherYatesShuffle();
_burntCards.Clear();
_burntCards.Add(Deck.Cards.Pop());
//Update count according to burnt card
Player.UpdateCount(Deck, _burntCards, Dealer.upCard);
}
//Write pre hand counts to console
Console.Write("Pre hand counts:\t");
foreach (var t in Player.Count)
{
Console.Write($"{t}\t");
}
Console.WriteLine();
//Store counts and deck has for file
blackjackHandData.FirstCountBeforeHand = Player.Count[0];
blackjackHandData.CurrentTurnDeckHash = Deck.GetDeckHash();
blackjackHandData.AmountOfCardsInDeckBeforeTurn = Deck.Cards.Count;
blackjackHandData.PlayersDecisions = "";
blackjackHandData.PlayersSplitHandDecisions = "";
blackjackHandData.DealersDecisions = "";
blackjackHandData.DoesPlayerSplit = "N";
blackjackHandData.PlayerStartingChips = Player.Chips;
//Get Bet function
Player.AddBet(Player.CalculateBet(_options.MinBet, _options.MaxBet), ref Player.Stake);
//Save data
blackjackHandData.CountZeroAtTimeOfBet = Player.Count[0];
blackjackHandData.CountOneAtTimeOfBet = Player.Count[1];
blackjackHandData.PlayerStake = Player.Stake;
//Write player stake to console
Console.WriteLine($"Player's starting stake:\t{Player.Stake}");
//Deal Cards
DealHand();
//Save Data
blackjackHandData.PlayersStartingHandPreSplit = Player.hand.ToString();
//Set Starting Hand Values for file
blackjackHandData.PlayersStartingHardHandValue = Player.hand.handValues.First();//FOR FILE
blackjackHandData.PlayersStartingSoftHandValue =
Player.hand.handValues.Count > 1 ? Player.hand.handValues.Last() : 0;
//Dealer reveals upcard //Reference to first card in hand
Dealer.upCard = Dealer.hand.cards[0];
Console.WriteLine($"Dealer's Up Card is: {Dealer.upCard}");
Console.WriteLine($"Player's cards are: {Player.hand}");
//Check naturals
UpdateHandValues();
Player.UpdateCount(Deck, _burntCards, Dealer.upCard);
if (!CheckNaturals(ref blackjackHandData))
{
//Player reacts, can double down or split here
Player.React(Dealer.upCard, ref Player.CurrentState, Player.hand, Player.Count);
//PLAY SPLIT HANDS
if (Player.CurrentState == PlayerState.Split)
{
PlaySplitHand(ref blackjackHandData);
}
//PLAY REGULAR HAND
Player.React(Dealer.upCard, ref Player.CurrentState, Player.hand, Player.Count);
//IF PLAYER SPLIT ACES, STAND
if (Player.splitHand != null && Player.splitHand.cards.First().Face == Face.Ace)
{
Player.CurrentState = PlayerState.Stand;
}
blackjackHandData.PlayersDecisions += Player.CurrentState + "/";//FOR FILE
//IF PLAYER DOUBLE DOWNS, STAND OR BUST
if (Player.CurrentState == PlayerState.DoubleDown)
{
Player.AddBet(Player.Stake, ref Player.Stake);
HitPlayer(Player);
Console.WriteLine($"Player DOUBLES DOWN:\t{Player.hand.cards.Last()}");
Console.WriteLine($"Player's stake after DD:\t{Player.Stake}");
Console.WriteLine($"Player's Hand:\t{Player.hand}\t{Player.hand.handValues.Max()}");
//STAND IF DOUBLE DOWN AND PLAYER < 21
Player.CurrentState = Player.hand.handValues.First() <= 21 ? PlayerState.Stand : PlayerState.Bust;
}
//WHILE PLAYER ISN'T BUST OR STANDING
while (Player.CurrentState != PlayerState.Bust && Player.CurrentState != PlayerState.Stand)
{
if (Player.CurrentState == PlayerState.Hit)
{
HitPlayer(Player);
Console.WriteLine($"Player Hits:\t{Player.hand.cards.Last()}\t{Player.hand.handValues.Last()}");
if (Player.hand.handValues.First() > 21)
{
Player.CurrentState = PlayerState.Bust;
}
}
Player.React(Dealer.upCard, ref Player.CurrentState, Player.hand, Player.Count);
blackjackHandData.PlayersDecisions += Player.CurrentState + "/";//FOR FILE
}
Console.WriteLine($"PLAYER REACTS:\t{Player.CurrentState}\t{Player.hand.handValues.Last()}");
//If player is bust, player loses his bet and hand is over
if (Player.CurrentState == PlayerState.Bust)
{
//PLAYER LOSES
Console.WriteLine($"Dealer's Hand:\t{Dealer.hand}\t{Dealer.hand.handValues.Max()}");
Console.WriteLine("Game Result: Dealer Wins");
Player.Stake = 0;
blackjackHandData.GameResult = "L";
Console.WriteLine($"Player Chips:\t{Player.Chips}");
}
else
{
//DEALER PLAYS HAND IF PLAYER DOESN'T LOSE
Console.Write("Dealer has: ");
Dealer.hand.WriteHandAndHandValue();
//If not dealer reacts
Dealer.React();
blackjackHandData.DealersDecisions += Dealer.CurrentState + "/";//FOR FILE
while (Dealer.CurrentState != PlayerState.Bust && Dealer.CurrentState != PlayerState.Stand)
{
if (Dealer.CurrentState == PlayerState.Hit)
{
HitPlayer(Dealer);
Console.WriteLine($"Dealer draws: {Dealer.hand.cards.Last()}\t{Dealer.hand.handValues.Max()}");
}
Dealer.React();
blackjackHandData.DealersDecisions += Dealer.CurrentState + "/";//FOR FILE
}
Console.WriteLine($"DEALER REACTS:\t{Dealer.CurrentState}\t{Dealer.hand.handValues.Last()}");
//If dealer is bust and player is not, player wins
if (Dealer.CurrentState == PlayerState.Bust)
{
Console.WriteLine("Game Result: Player Wins");
Player.Chips += Player.Stake * 2;
blackjackHandData.GameResult = "W";
if (Player.splitHand != null && Player.splitHandState != PlayerState.Bust)
{
Console.WriteLine("Game Result: Player Wins Split Hand");
Player.Chips += Player.SplitHandStake * 2;
blackjackHandData.SplitGameResult = "W";
}
//Player wins
Console.WriteLine($"Player Chips:\t{Player.Chips}");
}
//SETTLEMENT
else
{
Settlement(ref blackjackHandData);
}
}
} //END HAND GAMEPLAY
//If there was a split hand this turn, document split hand values
if (Player.splitHand != null)
{
blackjackHandData.PlayersStartingSplitHand = Player.splitHand.cards[0] + " " + Player.splitHand.cards[1];
blackjackHandData.PlayersStartingSplitHardHandValue = Player.splitHand.handValues.First().ToString();
blackjackHandData.PlayersStartingSplitSoftHandValue = Player.splitHand.handValues.Last().ToString();
blackjackHandData.PlayersEndSplitHand = Player.splitHand.ToString();
blackjackHandData.PlayersEndSplitHandValue = Player.splitHand.handValues.Last().ToString();
}
//If no split hand change all split hand values to N/A
else
{
blackjackHandData.PlayersStartingSplitHand = "N/A";
blackjackHandData.PlayersStartingSplitHardHandValue = "N/A";
blackjackHandData.PlayersStartingSplitSoftHandValue = "N/A";
blackjackHandData.PlayersEndSplitHand = "N/A";
blackjackHandData.PlayersEndSplitHandValue = "N/A";
blackjackHandData.PlayersSplitHandDecisions = "N/A";
blackjackHandData.PlayersStartingHandPreSplit = "N/A";
blackjackHandData.SplitGameResult = "N/A";
}
blackjackHandData.FirstCountAfterHand = Player.UpdateCount(Deck, _burntCards, Dealer.upCard).First();
//Write all relevant information to file after every hand
f.WriteLine(blackjackHandData.GetHandDataAsString(Player, HandsPlayed, Dealer, Deck));
//Cleanup hand and Update Counts
CleanupHand();
Player.UpdateCount(Deck, _burntCards, Dealer.upCard);
//If human is playing await input
if (_options.HumanPlayer)
{
Console.ReadKey();
Console.Clear();
}
HandsPlayed++;
}
//Close file when all hands are played and write simulation summary to file
f.Close();
Console.WriteLine("-----------------------------------------------------------------------------------------------------------------------");//CONSOLE HAND SEPARATOR
Console.WriteLine($"Strategy:\t{_options.StrategyName}");
Console.WriteLine($"Deck Size:\t{_options.DeckSize}");
Console.WriteLine($"Hands Played:\t{HandsPlayed}");
Console.WriteLine($"Final Chip Count:\t{Player.Chips}");
Console.WriteLine("-----------------------------------------------------------------------------------------------------------------------");//CONSOLE HAND SEPARATOR
}
private bool CheckNaturals(ref BlackjackHandData blackjackHandData)
{
if (Player.hand.handValues.Contains(21))
{
//Player has natural and dealer doesn't
if (!Dealer.hand.handValues.Contains(21))
{
Console.WriteLine("Player Has a Natural");
if (blackjackHandData != null)
{
blackjackHandData.PlayersDecisions = "PLAYER_NATURAL";
}
Console.WriteLine("Game Result: Player Wins");
Player.Chips += (int)(Player.Stake * 2.5);
Player.Stake = 0;
//Player wins
if (blackjackHandData != null)
{
blackjackHandData.GameResult = "W_N";
}
return(true);
}
//Player and dealer have natural
else
{
Console.WriteLine("Player Has a natural");
Console.WriteLine("Dealer Has a natural");
if (blackjackHandData != null)
{
blackjackHandData.PlayersDecisions = "PLAYER_NATURAL";
}
if (blackjackHandData != null)
{
blackjackHandData.DealersDecisions = "DEALER_NATURAL";
}
Console.WriteLine("Game Result: TIE");
Player.Chips += Player.Stake;
//TIE
if (blackjackHandData != null)
{
blackjackHandData.GameResult = "D_N";
}
return(true);
}
}
else if (Dealer.hand.handValues.Contains(21))
{
//Dealer has natural and player doesn't
if (!Player.hand.handValues.Contains(21))
{
Console.WriteLine("Dealer Has a natural");
if (blackjackHandData != null)
{
blackjackHandData.DealersDecisions = "DEALER_NATURAL";
}
Console.WriteLine("Game Result: Dealer Wins");
Player.Stake = 0;
//Player loses
if (blackjackHandData != null)
{
blackjackHandData.GameResult = "L_N";
}
return(true);
}
//Player and dealer have a natural
else
{
Console.WriteLine("Player Has a Natural");
Console.WriteLine("Dealer Has a natural");
Console.WriteLine("Game Result: TIE");
if (blackjackHandData != null)
{
blackjackHandData.PlayersDecisions = "PLAYER_NATURAL";
}
if (blackjackHandData != null)
{
blackjackHandData.DealersDecisions = "DEALER_NATURAL";
}
Player.Chips += Player.Stake;
//TIE
if (blackjackHandData != null)
{
blackjackHandData.GameResult = "D_N";
}
return(true);
}
}
return(false);
}
private void PlaySplitHand(ref BlackjackHandData blackjackHandData)
{
blackjackHandData.PlayersDecisions += Player.CurrentState + "/"; //FOR FILE
blackjackHandData.DoesPlayerSplit = "Y"; //FOR FILE
//Splitting the hands
Player.splitHand = new Hand();
Player.splitHand.cards.Add(Player.hand.cards.Last());
Player.hand.cards.Remove(Player.splitHand.cards.First());
HitPlayer(Player);
HitPlayer(Player.splitHand);
//Write split hands to console
Console.WriteLine($"Player's Hand:\t{Player.hand}");
Console.WriteLine($"Player's Split Hand:\t{Player.splitHand}");
//Add splitBet stake so player is playing two hands for twice his stake
Player.AddBet(Player.Stake, ref Player.SplitHandStake);
Console.WriteLine($"Player Split Hand Stake:\t{Player.SplitHandStake}");
//Playing the split hand
//Split aces forces stand rule
if (Player.hand.cards.First().Face == Face.Ace && Player.splitHand.cards.First().Face == Face.Ace)
{
Player.CurrentState = PlayerState.Stand;
Player.splitHandState = PlayerState.Stand;
blackjackHandData.PlayersDecisions += Player.CurrentState + "/"; //FOR FILE
blackjackHandData.PlayersSplitHandDecisions += Player.splitHandState + "/"; //FOR FILE
}
else
{
Player.React(Dealer.upCard, ref Player.splitHandState, Player.splitHand, Player.Count);
blackjackHandData.PlayersSplitHandDecisions += Player.splitHandState + "/";//FOR FILE
}
//Player doubles down on split hand
if (Player.splitHandState == PlayerState.DoubleDown)
{
//Double his split hand stake
Player.AddBet(Player.SplitHandStake, ref Player.SplitHandStake);
Console.WriteLine($"Player's split stake after double down:\t{Player.SplitHandStake}");
//Hit player
HitPlayer(Player.splitHand);
Console.WriteLine($"Player split double downs with:\t{Player.splitHand.cards.Last()}");
//If player < 21 STAND
if (Player.hand.handValues.First() <= 21)
{
Player.splitHandState = PlayerState.Stand;
blackjackHandData.PlayersSplitHandDecisions += Player.splitHandState + "/";//FOR FILE
}
//If player > 21 BUST
else
{
Player.splitHandState = PlayerState.Bust;
blackjackHandData.PlayersSplitHandDecisions += Player.splitHandState + "/";//FOR FILE
}
}
//While the player isn't standing or busting
while (Player.splitHandState != PlayerState.Bust && Player.splitHandState != PlayerState.Stand)
{
//Hit player is it reacts hit
if (Player.splitHandState == PlayerState.Hit)
{
Player.WriteCurrentState();
HitPlayer(Player.splitHand);
//BUST CHECK
if (Player.splitHand.handValues.First() > 21)
{
Player.splitHandState = PlayerState.Bust;
}
Console.WriteLine($"Player's split hand:\t{Player.splitHand}\t{Player.splitHand.handValues.Last()}");
}
Player.React(Dealer.upCard, ref Player.splitHandState, Player.splitHand, Player.Count);
blackjackHandData.PlayersSplitHandDecisions += Player.splitHandState + "/";
}
//If player busts on split hand, lose split hand stake
if (Player.splitHandState == PlayerState.Bust)
{
Player.SplitHandStake = 0;
blackjackHandData.SplitGameResult = "L";
}
}
