private static GameStatus CheckGameStatus(HandCards dealerHandCards, PlayerHandCards playerHandCards, GameContext gameContext, out decimal winAmount)
{
bool isSoftValue;
int playerValue = playerHandCards.GetHandValue(out isSoftValue);
int dealerValue = dealerHandCards.GetHandValue(out isSoftValue);
GameStatus gameStatusResult = GameStatus.NotComplete;
if (playerValue > 21 || playerHandCards.HasSurrendered)
{
gameStatusResult = GameStatus.DealerWins; // player is busted or has surrendered
}
else if (dealerValue >= 17)
{
if (!isSoftValue || !gameContext.DealerHitsOnSoft17)
{
if (dealerValue > 21)
{
gameStatusResult = GameStatus.PlayerWins; // dealer is busted
}
else if (dealerValue == 21 && playerValue == 21)
{
if (dealerHandCards.IsBlackJack)
{
gameStatusResult = playerHandCards.IsBlackJack ? GameStatus.DrawGame : GameStatus.DealerWins;
}
else
{
gameStatusResult = playerHandCards.IsBlackJack ? GameStatus.PlayerWins : GameStatus.DrawGame;
}
}
else if (dealerValue == playerValue)
{
gameStatusResult = GameStatus.DrawGame;
}
else
{
gameStatusResult = playerValue > dealerValue ? GameStatus.PlayerWins : GameStatus.DealerWins;
}
}
}
switch (gameStatusResult)
{
case GameStatus.DealerWins:
winAmount = -playerHandCards.BetAmount;
break;
case GameStatus.PlayerWins:
winAmount = playerHandCards.BetAmount * (playerHandCards.IsBlackJack ? gameContext.BlackJackPayRate : 1);
break;
default:
winAmount = 0m;
break;
}
return(gameStatusResult);
}
/// <summary>
/// Get the next move suggestion by Wizard's Strategy: http://wizardofodds.com/games/blackjack/basics/
/// </summary>
/// <param name="dealerHandCards">Dealer's Hand</param>
/// <param name="playerHandCards">Player's Hand</param>
/// <param name="playerHands">Current hand count the player has</param>
/// <param name="gameContext">Game Context</param>
/// <returns></returns>
public static PlayerAction GetActionByWizardStrategy(HandCards dealerHandCards, PlayerHandCards playerHandCards, int playerHands, GameContext gameContext)
{
bool isSoftValue;
int dealerValue = dealerHandCards.GetHandValue(out isSoftValue);
int playerValue = playerHandCards.GetHandValue(out isSoftValue);
if (playerValue == 16 && dealerValue == 10 && playerHandCards.EligibleToSurrender(gameContext))
{
return(PlayerAction.Surrender);
}
if (dealerValue >= 2 && dealerValue <= 6)
{
if (playerHandCards.EligibleToSplit(playerHands, gameContext))
{
if (playerValue != 8 && playerValue != 10 && playerValue != 20)
{
return(PlayerAction.Split);
}
}
if (isSoftValue)
{
if (playerValue >= 12 && playerValue <= 15)
{
return(PlayerAction.Hit);
}
else if (playerValue >= 16 && playerValue <= 18)
{
return(playerHandCards.EligibleToDouble(gameContext) ? PlayerAction.Double : (playerValue == 18 ? PlayerAction.Stand : PlayerAction.Hit));
}
else if (playerValue >= 19 && playerValue <= 21)
{
return(PlayerAction.Stand);
}
}
else
{
if (playerValue >= 4 && playerValue <= 8)
{
return(PlayerAction.Hit);
}
else if (playerValue >= 9 && playerValue <= 11)
{
return(playerHandCards.EligibleToDouble(gameContext) ? PlayerAction.Double : PlayerAction.Hit);
}
else if (playerValue >= 12 && playerValue <= 21)
{
return(PlayerAction.Stand);
}
}
}
else if (dealerValue >= 7 && dealerValue <= 11)
{
if (playerHandCards.EligibleToSplit(playerHands, gameContext))
{
if (playerValue == 16 || playerHandCards.ToString().Equals("AA"))
{
return(PlayerAction.Split);
}
}
if (isSoftValue)
{
if (playerValue >= 12 && playerValue <= 18)
{
return(PlayerAction.Hit);
}
else if (playerValue >= 19 && playerValue <= 21)
{
return(PlayerAction.Stand);
}
}
else
{
if (playerValue >= 4 && playerValue <= 16)
{
if (playerValue == 10 || playerValue == 11)
{
if (playerValue > dealerValue)
{
return(playerHandCards.EligibleToDouble(gameContext) ? PlayerAction.Double : PlayerAction.Hit);
}
}
return(PlayerAction.Hit);
}
else if (playerValue >= 12 && playerValue <= 21)
{
return(PlayerAction.Stand);
}
}
}
else
{
throw new ArgumentException(string.Format("Dealer value is invalid: {0}", dealerValue), "dealerHandCards");
}
throw new ArgumentException(string.Format("Player value is invalid: {0} IsSoftValue: {1}", playerValue, isSoftValue), "playerHandCards");
}
