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#include <iostream>
//#include <time.h> //Needed if using MinGW
class DeckOfCards {
private:
int index=0, deck[52];
public:
DeckOfCards();
void shuffle();
int dealCard();
};
void showHand(int hand[], const int size);
int main() {
srand(time(NULL));
const int size=4; //Size can be changed for larger hands
DeckOfCards deck;
int hand[size];
for (int i=0; i<13; i++) {
for (int j=0; j<size; j++) {
hand[j]=deck.dealCard();
}
showHand(hand, size);
}
}
//Prints out hand shuffled from before
void showHand(int hand[], const int size) {
for (int i=0; i<size; i++) {
//Switch case needed for showing face cards and aces
switch(hand[i]%13) {
case 0: std::cout << 'A';
break;
case 10: std::cout << 'J';
break;
case 11: std::cout << 'Q';
break;
case 12: std::cout << 'K';
break;
default: std::cout << hand[i]%13+1;
}
std::cout << " ";
}
std::cout << std::endl;
}
//Deck initialized with 1-52 and shuffled
DeckOfCards::DeckOfCards() {
for(int i=0; i<51; i++) {
deck[i]=i+1;
}
shuffle();
}
//Implementation of Knuth Shuffle
void DeckOfCards::shuffle() {
int j=0, temp=0;
for (int i=50; i>1; i--) {
j = rand() % 50 + 1;
if (j < i) {
temp=deck[i]; deck[i]=deck[j]; deck[j]=temp;
}
}
}
//Function to deal the card when asked by grabbing from the deck and shuffling if such card does not exist.
//Returns the card drawn from the deck
int DeckOfCards::dealCard() {
index++;
if (index>=52) {
index=0;
shuffle();
}
return deck[index];
}
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