Main menu, customizable deck amount, help and info

Blackjack/Blackjack.cpp

@@ -4,7 +4,6 @@
 #include "stdafx.h"
 #include "blackjack.h"
 #include <iostream>
-#include <array>
 #include <string>
 
 // Get player input
@@ -41,7 +40,7 @@ void dealCard(int &score, const Card *&cardPtr, int &aces, bool player) {
 }
 
 // Game logic
-bool playBlackjack(const std::array<Card, 52> &deck) {
+bool playBlackjack(const Card deck[]) {
 	// Setup
 	const Card *cardPtr = &deck[0];
 	int dealerScore = 0;
@@ -81,7 +80,7 @@ bool playBlackjack(const std::array<Card, 52> &deck) {
 	while (true) {
 		if (dealerScore > 21) {
 			if (dealerAces) {
-				playerScore -= 10;
+				dealerScore -= 10;
 				--dealerAces;
 				std::cout << "The dealer his ace is now counted as 1. His score is now " << dealerScore << ".\n";
 			}
@@ -98,31 +97,85 @@ bool playBlackjack(const std::array<Card, 52> &deck) {
 		}
 	}
 
+	delete[] deck;
 	return (playerScore > dealerScore);
 }
 
 int main()
 {
-	do {
-		bool playerWin = playBlackjack(getDeck(true));
-
-		if (playerWin) {
-			std::cout << "Congratulations! You win!!!" << '\n';
-		}
-		else {
-			std::cout << "Sadly, you lost." << '\n';
-		}
+	std::cout << "Welcome to blackjack!\n";
 
-		std::cout << "Do you want to play another game? (y/n) ";
-		char choice;
+	do {
+		std::cout << "Hit (p) to play, (e) to exit or (h) to get help. ";
+		char command;
 		do {
-			std::cin >> choice;
-		} while (choice != 'y' && choice != 'n');
-
-		if (choice == 'n') {
-			break;
-		}
+			std::cin >> command;
+		} while (command != 'p' && command != 'h' && command != 'e' && command != 'i');
+
+		switch (command)
+		{
+			case 'p':
+			{
+				std::cout << "How many decks do you want to use? (1-6) ";
+				int deckCount;
+				std::cin >> deckCount;
+				if (deckCount > 6) deckCount = 6;
+				if (deckCount < 1) deckCount = 1;
+				do {
+					bool playerWin = playBlackjack(getDeck(deckCount, true));
+
+					if (playerWin) {
+						std::cout << "Congratulations! You win!!!" << '\n';
+					}
+					else {
+						std::cout << "Sadly, you lost." << '\n';
+					}
+
+					std::cout << "Do you want to play another game? (y/n) ";
+					char choice;
+					do {
+						std::cin >> choice;
+					} while (choice != 'y' && choice != 'n');
+
+					if (choice == 'n') {
+						break;
+					}
+				} while (true);
+				break;
+			}
+			case 'h':
+				std::cout << "In blackjack your goal is to obtain a score as high as possible. "
+					"You gain points by drawing a card. The rank of the card is added to your total score. "
+					"The ace is valued at 11 points, unless your score is higher than 21, "
+					"than it is valued at 1 point. When you have more than 21 points, you lose. "
+					"The highest score wins.\nControls:\nIn game:\n(h) -- hit, get another card.\n(s) -- stand, end turn."
+					"\nIn the menu:\n(p) -- play the game.\n(h) -- help.\n(i) -- info and license.\n(e) -- exit.\n";
+				break;
+			case 'i':
+				std::cout << "The project was inspired by http://www.learncpp.com/. "
+					"The source code can be found at https://github.com/wzwietering/blackjack.\n\n"
+					"(c) Wilmer Zwietering 2017\n\nPermission is hereby granted, free of charge, to any person obtaining a copy "
+					"of this software and associated documentation files(the \"Software\"), to deal "
+					"in the Software without restriction, including without limitation the rights "
+					"to use, copy, modify, merge, publish, distribute, sublicense, and/or sell "
+					"copies of the Software, and to permit persons to whom the Software is "
+					"furnished to do so, subject to the following conditions : \n\n"
+
+					"The above copyright notice and this permission notice shall be included in all "
+					"copies or substantial portions of the Software. \n\n"
+
+					"THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR "
+					"IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, "
+					"FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE "
+					"AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER "
+					"LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, "
+					"OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE "
+					"SOFTWARE.\n";
+				break;
+			case 'e':
+				return 0;
+		}		
 	} while (true);
-    return 0;
+	return 0;
 }
 

Blackjack/Cards.cpp

@@ -1,7 +1,6 @@
 #include "stdafx.h"
 #include <iostream>
 #include "blackjack.h"
-#include <array>
 #include <random>
 
 // Prints the value of a card.
@@ -57,30 +56,32 @@ int getRandom(int min, int max)
 }
 
 // Shuffle a deck of cards random
-void shuffleDeck(std::array<Card, 52> &deck) {
-	for (Card &card : deck) {
-		swapCard(card, deck[getRandom(0, 51)]);
+void shuffleDeck(Card deck[], int size) {
+	for (int i = 0; i < size; ++i) {
+		swapCard(deck[i], deck[getRandom(0, size - 1)]);
 	}
 }
 
 // Returns an ordered deck. The bool is used to return a shuffled deck.
-std::array<Card, 52> getDeck(bool shuffled) {
-	std::array<Card, 52> deck;
-	for (int suit = 0; suit < static_cast<int>(Suit::MAX_SUITS); ++suit) {
-		for (int rank = 0; rank < static_cast<int>(Rank::MAX_RANKS); ++rank) {
-			deck[suit * static_cast<int>(Rank::MAX_RANKS) + rank] = { static_cast<Rank>(rank), static_cast<Suit>(suit) };
+Card* getDeck(int amount, bool shuffled) {
+	Card *deck = new Card[amount * 52];
+	for (int i = 0; i < amount; ++i) {
+		for (int suit = 0; suit < static_cast<int>(Suit::MAX_SUITS); ++suit) {
+			for (int rank = 0; rank < static_cast<int>(Rank::MAX_RANKS); ++rank) {
+				deck[i * 52 + suit * static_cast<int>(Rank::MAX_RANKS) + rank] = { static_cast<Rank>(rank), static_cast<Suit>(suit) };
+			}
 		}
 	}
 	if (shuffled) {
-		shuffleDeck(deck);
+		shuffleDeck(deck, amount * 52);
 	}
 	return deck;
 }
 
 // Print the entire deck
-void printDeck(const std::array<Card, 52> &deck) {
-	for (const Card &card : deck) {
-		printCard(card);
+void printDeck(const Card deck[], int size) {
+	for (int i = 0; i < size; ++i) {
+		printCard(deck[i]);
 	}
 	std::cout << '\n';
 }

Blackjack/blackjack.h

@@ -1,5 +1,4 @@
 #pragma once
-#include <array>
 
 #ifndef CARDS
 #define CARDS
@@ -36,9 +35,9 @@ struct Card {
 
 void printCard(const Card card, bool newline = false);
 void swapCard(Card &first, Card &second);
-void shuffleDeck(std::array<Card, 52> &deck);
-std::array<Card, 52> getDeck(bool shuffled = false);
-void printDeck(const std::array<Card, 52> &deck);
+void shuffleDeck(Card deck[], int size);
+Card* getDeck(int amount = 1, bool shuffled = false);
+void printDeck(const Card deck[], int size);
 int getCardValue(const Card &card, const bool &aceEleven = true);
 
 #endif // !CARDS