private static void GetHandInfo(Hand hand, out string cards, out int value, out int soft)
{
// Compute hand values.
BlackjackRules.ValueOf(hand, out value, out soft);
// Make string representing the whole hand.
cards = string.Join(", ", hand.Select(s => s.ToString()));
}
private void DealerPlay()
{
// Flag to keep track of blackjack, bust or preferred value.
var playing = true;
while (playing)
{
// Get possible out comes.
var isBlackjack = BlackjackRules.IsBlackjack(dealer.Hand);
var isBust = BlackjackRules.IsBusted(dealer.Hand);
var shouldStay = BlackjackRules.ShouldStay(dealer.Hand);
// Act according to outcome.
if (isBlackjack)
{
console.WriteDealerInfo("blackjack!");
}
else if (isBust)
{
console.WriteDealerInfo("bust!");
}
else if (shouldStay)
{
console.WriteDealerInfo("staying at my current hand");
}
else
{
// Deal self one card and reveal new hand.
console.WriteDealerInfo("dealing myself one");
dealer.DealSelf();
RevealDealerHand();
}
playing = !(isBlackjack || isBust || shouldStay);
clock.Delay(DelayTime);
}
console.WriteDealerInfo("my turn is over");
}
private void PlayersPlay()
{
foreach (var player in playingPlayers)
{
console.WritePlayerInfo(player.Name, "it's my turn");
// Handle splitting for the player if he prefers to split.
var aceSplit = false;
if (BlackjackRules.CanSplit(player.PrimaryHand) &&
player.Wallet.Balance >= bets[player].First().Amount)
{
AskPlayerSplit(player, out aceSplit);
}
// Play the actual hands if not ace split.
if (aceSplit)
{
continue;
}
// Determine hands.
var hands = new List <Hand>
{
player.PrimaryHand
};
if (player.IsSplit)
{
hands.Add(player.SecondaryHand);
}
// Play the actual hands.
for (var i = 0; i < hands.Count; i++)
{
PlayerPlayHand(player, hands[i], i, hands.Count);
}
}
}
private void EndRound()
{
// Determine the outcome of player bets.
var dealerBlackjack = BlackjackRules.IsBlackjack(dealer.Hand);
var dealerBust = BlackjackRules.IsBusted(dealer.Hand);
BlackjackRules.ValueOf(dealer.Hand,
out var dealerValue,
out var dealerSoft);
// Check all bets.
foreach (var betPair in bets)
{
var player = betPair.Key;
console.WriteDealerInfo($"checking outcome of your hands...");
for (var i = 0; i < betPair.Value.Count; i++)
{
var bet = betPair.Value[i];
var playerBust = BlackjackRules.IsBusted(bet.Hand);
// Write hand before handling.
GetHandInfo(bet.Hand,
out var cards,
out var playerValue,
out var playerSoft);
console.WriteDealerInfo(
$"your hand {i + 1}/{betPair.Value.Count} has cards {cards} " +
$"with value {playerValue}/{playerSoft}");
if (playerBust || dealerBlackjack)
{
// In case player busts or dealer hit's a blackjack, dealer
// always wins.
console.WriteDealerInfo(
$"your hand {i + 1}/{betPair.Value.Count} lost total {bet.Amount}e");
}
else
{
var winAmount = 0u;
if (BlackjackRules.IsBlackjack(bet.Hand))
{
// Player hit a blackjack.
winAmount = bet.Amount * 2u;
console.WritePlayerInfo(
player.Name,
$"hand {i + 1}/{betPair.Value.Count} blackjack wins {winAmount}e");
}
else if (!playerBust && dealerBust)
{
// Dealer bust.
winAmount = bet.Amount * 2u;
console.WritePlayerInfo(
player.Name,
$"hand {i + 1}/{betPair.Value.Count} wins {winAmount}e, dealer bust");
}
else
{
if ((playerValue > dealerValue && !BlackjackRules.IsBusted(playerValue)) ||
(playerSoft > dealerSoft && !BlackjackRules.IsBusted(playerSoft)))
{
// Player hand value greater than dealers.
winAmount = bet.Amount * 2u;
console.WritePlayerInfo(
player.Name,
$"hand {i + 1}/{betPair.Value.Count} wins {winAmount}e");
}
else
{
// Dealers hand value greater than players.
console.WritePlayerInfo(
player.Name,
$"your hand {i + 1}/{betPair.Value.Count} lost total {bet.Amount}e");
}
}
player.Wallet.Put(winAmount);
}
clock.Delay(DelayTime);
}
console.WritePlayerInfo(player.Name, $"my balance now is {player.Wallet.Balance}e");
}
// Clear player and game states.
foreach (var player in playingPlayers)
{
bets[player].Clear();
player.Clear();
if (player.Wallet.Empty)
{
console.WriteDealerInfo($"{player.Name} you are out! " +
"come back when you have some money to play!");
activePlayers.Remove(player);
absentPlayers.Add(player);
}
}
playingPlayers.Clear();
// Clear dealer state.
dealer.Hand.Clear();
}
private void PlayerPlayHand(Player player, Hand hand, int handIndex, int handsCount)
{
// Flag to keep track of blackjacks, busts and stays.
var playing = true;
while (playing)
{
var opts = PlayerOptions.DetermineOps(player, hand);
var option = string.Empty;
while (!console.TryAskLine($"playing your hand {handIndex + 1}/{handsCount}, what will you do? " +
$"({string.Join(", ", opts)})",
out option,
s => opts.Contains(s)))
{
console.WriteWarning("invalid operation!");
}
switch (option)
{
case PlayerOptions.OptStay:
// Nothing else to do, end turn.
console.WriteDealerInfo("staying, your turn is over");
playing = false;
break;
case PlayerOptions.OptHit:
// Deal one card and reveal the hand to player.
console.WriteDealerInfo("dealing one card...");
dealer.Deal(hand);
RevealPlayerCards(player, hand);
if (BlackjackRules.IsBlackjack(hand))
{
// Handle blackjack.
console.WriteDealerInfo("blackjack! your turn is over");
playing = false;
}
else if (BlackjackRules.IsBusted(hand))
{
// Handle bust.
console.WriteDealerInfo("busted! sorry, your hand is out");
playing = false;
}
break;
case PlayerOptions.OptDouble:
var bet = bets[player].First();
// Do not allow doubling if the player has not enough balance.
if (player.Wallet.Balance < bet.Amount)
{
console.WriteDealerInfo("sorry, you do not have enough balance to double");
}
else
{
// Do the actual doubling.
console.WriteDealerInfo("doubling your hand...");
// Deal single card as of doubling.
dealer.Deal(hand);
// Take double amount from wallet.
player.Wallet.Take(bet.Amount);
// Create new bet in place of the current one, we can
// always assume there is only one bet in play when
// the player is doubling because casino does not allow
// doubling split hands.
var newBet = new PlayerBet(hand, bet.Amount * 2u);
bets[player] = new List <PlayerBet>
{
newBet
};
console.WriteDealerInfo($"your total bet is now {newBet.Amount}e " +
$"and your total balance is now {player.Wallet.Balance}e");
RevealPlayerCards(player, hand);
playing = false;
}
break;
default:
console.WriteWarning("sorry i could not understand you so i assume you are staying...");
playing = false;
break;
}
clock.Delay(DelayTime);
}
}
