// this logic is in derived classes to determine when to stop hitting, and
// how to alter the bet (optionally)
public virtual void Hit(Dealer dealer)
{
if (IsBlackJack || IsBust)
{
return;
}
// just take a card and let the logic set the IsBust property as needed
dealer.DealCard(this);
// additional logic to hit again will be in derived classes
}
// this is how to play a simple hand, with this type of behavior
public override void Hit(Dealer dealer)
{
if (IsBlackJack || IsBust)
{
return;
}
// we'll keep hitting till the sum is at least 16
while (SumCards < 16)
{
// just take a card and let the logic set the IsBust property as needed
dealer.DealCard(this);
if (IsBust)
{
break;
}
}
}
public override void Hit(Dealer dealer)
{
// when the house hits, it will keep hitting till the condition is met
// check for blackjack
if (IsBlackJack || IsBust)
{
return;
}
// this doesn't have the logic regarding a 'soft 17', used by some casinos
while (SumCards <= 16)
{
dealer.DealCard(this);
}
// at this point the dealers cards are known, the status is
// set, and the collection is available
}
// this is how to play, with this type of behavior
public override void Hit(Dealer dealer, BettingBehavior betting)
{
if (IsBlackJack || IsBust)
{
return;
}
if (betting.DetermineSplit(dealer.DealerHand, this, dealer.Statistics))
{
HandleSplit(dealer, betting);
// at this point, the two bets were set, and the cards have been
// dealt. The dealer knows about the hands
return;
}
// set the default bet
Bet = betting.Bet;
// modify the bet based on the last few cards (~12)
{
float[] tensFactor =
{
0.7176587594f,
0.7482172244f,
1.008457417f,
0.8508591232f,
0.8222382664f,
0.8221459353f,
0.8482251933f,
0.9152756165f,
1.034960453f,
1.161035422f,
1.577427822f,
2.4375f,
2.0f
};
if (dealer.Statistics.TensIndex > 7)
{
int newbet = Bet;
newbet *= 1000;
Bet = newbet;
}
}
// Intentionally not adding Insurance, because it's not material
// determine if the bet should be modified
if (betting.DetermineDoubleDown(dealer.DealerHand, this, dealer.Statistics))
{
IsDoubledDown = true;
// okay to double the bet
Bet = betting.Bet * 2;
// deal one card only
// let the logic set the IsBust property as needed
Card cardDealt = dealer.DealCard(this);
dealer.Statistics.DiscardCard(cardDealt);
}
else
{
// we'll keep hitting till the sum is at least 16
while ((SumCards < 16 && (dealer.Statistics.TensIndex > 1)) ||
// increase the threshold to 18 if player has an ace showing
(HasAce && _cards.Count < 3 && SumCards < 18) ||
// always hit if we're at 11 or below
SumCards < 12)
{
// let the logic set the IsBust property as needed
Card cardDealt = dealer.DealCard(this);
dealer.Statistics.DiscardCard(cardDealt);
if (IsBust)
{
break;
}
}
}
}
public virtual Hand HandleSplit(Dealer dealer, BettingBehavior betting)
{
// create an additional hand, using one of the cards from this hand
Hand secondHand = new Hand();
secondHand.IsSplit = true;
dealer.PlayerSplitHand = secondHand;
Card secondHandFirstCard = PrepareForSplit();
secondHand.AddCardShowing(secondHandFirstCard);
// let the logic set the IsBust property as needed
Card cardDealt = dealer.DealCard(this);
dealer.Statistics.DiscardCard(cardDealt);
// replace the second card for the primary hand
cardDealt = dealer.DealCard(secondHand);
dealer.Statistics.DiscardCard(cardDealt);
// split on split is not allowed
secondHand.IsSplittable = false;
// set the default bet
Bet = betting.Bet;
secondHand.Bet = betting.Bet;
// now apply the hit logic
// determine if the bet should be modified
if (betting.DetermineDoubleDown(dealer.DealerHand, this, dealer.Statistics))
{
IsDoubledDown = true;
// okay to double the bet
Bet = betting.Bet * 2;
// deal one card only
// let the logic set the IsBust property as needed
cardDealt = dealer.DealCard(this);
dealer.Statistics.DiscardCard(cardDealt);
}
else
{
// we'll keep hitting till the sum is at least X
while ((SumCards < 16 &&
(dealer.Statistics.TensIndex > 4)) ||
(SumCards < 12))
{
// break from the loop if the proportion of >= 10 cards is too low
if (SumCards > 11 && dealer.Statistics.TensIndex < 2)
{
break;
}
// don't try if we have a run of small cards
if (_cards.Count > 4 && SumCards > 11)
{
break;
}
// let the logic set the IsBust property as needed
cardDealt = dealer.DealCard(this);
dealer.Statistics.DiscardCard(cardDealt);
if (IsBust)
{
break;
}
}
}
// determine if the bet should be modified for the second hand
if (betting.DetermineDoubleDown(dealer.DealerHand, this, dealer.Statistics))
{
secondHand.IsDoubledDown = true;
// okay to double the bet
secondHand.Bet = betting.Bet * 2;
// deal one card only
// let the logic set the IsBust property as needed
cardDealt = dealer.DealCard(secondHand);
dealer.Statistics.DiscardCard(cardDealt);
}
else
{
// we'll keep hitting till the sum is at least X
while ((secondHand.SumCards < 15 && dealer.DealerHand.CardShowing.Face > 6) ||
(secondHand.SumCards < 12))
{
// break from the loop if the proportion of >= 10 cards is too low
if (secondHand.SumCards > 11 && dealer.Statistics.TensIndex < 3)
{
break;
}
// don't try if we have a run of small cards
if (secondHand.Cards.Count > 4 && secondHand.SumCards > 11)
{
break;
}
// let the logic set the IsBust property as needed
cardDealt = dealer.DealCard(secondHand);
dealer.Statistics.DiscardCard(cardDealt);
if (secondHand.IsBust)
{
break;
}
}
}
return(secondHand);
}
