fixes

blackjack.conf

 flat_bet = 1
 no_insurance = true
-; delay = 0
-arranged_cards = 1,1,10,5
+delay = 0
+arranged_cards = 2,1,11
 ; rng_seed = 1

src/base.h

 };
 
 template <typename ... Args> std::string string_format( const std::string& format, Args ... args);
+template <typename ... Args> std::string string_format2( const std::string& format, Args ... args);
 
 #endif

src/blackjack.cpp

       }
 
       info(Libreblackjack::Info::NewHand, n_hand, 1e3*playerStats.bankroll);
+//       std::cout << "new hand #" << n_hand << std::endl;
       
       if (player->flat_bet) {
           
       // step 3. deal the first card to each player
       playerFirstCard = drawCard(&(*playerStats.currentHand));
       info(Libreblackjack::Info::CardPlayer, playerFirstCard);
+//       std::cout << "first card " << card[playerFirstCard].utf8() << std::endl;
             
       // step 4. show dealer's upcard
       upCard = drawCard(&hand);
       info(Libreblackjack::Info::CardDealer, upCard);
+//       std::cout << "up card " << card[upCard].utf8() << std::endl;
       player->dealerValue = hand.value();
 
       // step 5. deal the second card to each player
       playerSecondCard = drawCard(&(*playerStats.currentHand));
       info(Libreblackjack::Info::CardPlayer, playerSecondCard);
+      player->playerValue = playerStats.currentHand->value();
+//       std::cout << "second card " << card[playerSecondCard].utf8() << std::endl;
       
       // step 6. deal the dealer's hole card 
       holeCard = drawCard(&hand);
       }
       
       // step 7.b. if either the dealer or the player has a chance to have a blackjack, check
-      player->playerValue = playerStats.currentHand->value();
       if ((card[upCard].value == 10 || card[upCard].value == 11) || std::abs(player->playerValue) == 21) {
         player->actionRequired = Libreblackjack::PlayerActionRequired::None;
         nextAction = Libreblackjack::DealerAction::CheckforBlackjacks;
       if (hand.blackjack()) {
         info(Libreblackjack::Info::CardDealerRevealsHole, holeCard);
         info(Libreblackjack::Info::DealerBlackjack);
+//         std::cout << "dealer blakjack " << card[holeCard].utf8() << std::endl;
         playerStats.blackjacksDealer++;
 
         if (playerStats.currentHand->insured) {
 
         if (playerBlackjack) {
           info(Libreblackjack::Info::PlayerBlackjackAlso);
+//           std::cout << "both blackjack " << card[holeCard].utf8() << std::endl;
 
           // give him his (her her) money back
           playerStats.bankroll += playerStats.currentHand->bet;
         unsigned int playerCard = drawCard(&(*playerStats.currentHand));
         player->playerValue = playerStats.currentHand->value();
         info(Libreblackjack::Info::CardPlayer, playerCard, playerStats.currentHand->id);
+//         std::cout << "card player " << card[playerCard].utf8() << std::endl;
 
         if (std::abs(player->playerValue) == 21) {
           player->actionRequired = Libreblackjack::PlayerActionRequired::None;
 
         if (bustedAllHands) {
           info(Libreblackjack::Info::CardDealerRevealsHole, holeCard);
+//           std::cout << "hole " << card[holeCard].utf8() << std::endl;
           
           player->actionRequired = Libreblackjack::PlayerActionRequired::None;
           nextAction = Libreblackjack::DealerAction::StartNewHand;
     case Libreblackjack::DealerAction::HitDealerHand:
         
       info(Libreblackjack::Info::CardDealerRevealsHole, holeCard);
+//       std::cout << "hole " << card[holeCard].utf8() << std::endl;
 
       // hit while count is less than 17 (or equal to soft 17 if hit_soft_17 is true)
       player->dealerValue = hand.value();
       while ((std::abs(player->dealerValue) < 17 || (hit_soft_17 && player->dealerValue == -17)) && hand.busted() == 0) {
         unsigned int dealerCard = drawCard(&hand);
         info(Libreblackjack::Info::CardDealer, dealerCard);
+//         std::cout << "dealer " << card[dealerCard].utf8() << std::endl;
         player->dealerValue = hand.value();
       }
         

src/internal.cpp

     
     case Libreblackjack::PlayerActionRequired::Play:
 
-      std::cout << "player " << playerValue << " dealer " << dealerValue << std::endl;
+//       std::cout << "player " << playerValue << " dealer " << dealerValue << std::endl;
         
       // TODO: split
         
           actionTaken = Libreblackjack::PlayerActionTaken::Hit;    
         }
       }  
-      std::cout << (int)(actionTaken) << std::endl;
+//       std::cout << (int)(actionTaken) << std::endl;
       
     break;  
     

src/tty.cpp

 // TODO: make class static
 std::vector<std::string> commands;
 
+// https://stackoverflow.com/questions/2342162/stdstring-formatting-like-sprintf
+template<typename ... Args>
+std::string string_format2( const std::string& format, Args ... args)
+{
+  size_t size = snprintf(nullptr, 0, format.c_str(), args ...) + 1; // Extra space for '\0'
+  if (size <= 0) {
+    return std::string("");
+  }
+  std::unique_ptr<char[]> buf(new char[size]); 
+  snprintf(buf.get(), size, format.c_str(), args ...);
+  return std::string(buf.get(), buf.get() + size - 1); // We don't want the '\0' inside
+}
 
 Tty::Tty(Configuration &conf) {
     
 
     case Libreblackjack::Info::NewHand:
       std::cout << std::endl;
-      s = "Starting new hand #" + std::to_string(p1) + " with bankroll " + string_format("%g", 1e-3*p2, 0.0);
+      s = "Starting new hand #" + std::to_string(p1) + " with bankroll " + string_format2("%g", 1e-3*p2);
       
       // clear dealer's hand
       dealerHand.cards.clear();
     break;
     
     case Libreblackjack::Info::PlayerPushes:
-      s = "Player pushes " + string_format("%g", 1e-3*p1, 0.0) + ((p2 > 0) ? (" with " + std::to_string(p2)) : "");
+      s = "Player pushes " + string_format2("%g", 1e-3*p1) + ((p2 > 0) ? (" with " + std::to_string(p2)) : "");
       render = true;
     break;
     
     case Libreblackjack::Info::PlayerLosses:
-      s = "Player losses " + string_format("%g", 1e-3*p1, 0.0) + ((p2 > 0) ? (" with " + std::to_string(p2)) : "");
+      s = "Player losses " + string_format2("%g", 1e-3*p1) + ((p2 > 0) ? (" with " + std::to_string(p2)) : "");
       render = true;
     break;
     case Libreblackjack::Info::PlayerBlackjack:
       render = true;
     break;
     case Libreblackjack::Info::PlayerWins:
-      s = "Player wins " + string_format("%g", 1e-3*p1, 0.0) + ((p2 > 0) ? (" with " + std::to_string(p2)) : "");
+      s = "Player wins " + string_format2("%g", 1e-3*p1) + ((p2 > 0) ? (" with " + std::to_string(p2)) : "");
       render = true;
     break;
     
     break;
 
     case Libreblackjack::Info::Bankroll:
-      std::cout << "Your bankroll is " << string_format("%g", 1e-3*p1, 0.0) << std::endl;        
+      std::cout << "Your bankroll is " << string_format2("%g", 1e-3*p1) << std::endl;        
     break;