cards.cpp

//Author: PlanckBit
//MIT License
//Copyright (c) 2019 PlanckBit

#include <iostream>
#include <stdlib.h> 
#include "cards.h"

//Card suit and rank
playingCard::playingCard(cardSuit s, cardRank r) {
     suit=s;
     rank=r;
}     

cardRank playingCard::theRank() const {
     return rank;
}
    
cardSuit playingCard::theSuit() const {
     return suit;
} 

//Will print out one card at a time    
void playingCard::print() const { 
     switch(rank) {
     case 0:
          std::cout << "2"; break;
     case 1:
          std::cout << "3"; break;
     case 2:
          std::cout << "4"; break;
     case 3:
          std::cout << "5"; break;
     case 4:
          std::cout << "6"; break;
     case 5:
          std::cout << "7"; break;
     case 6:
          std::cout << "8"; break;
     case 7:
          std::cout << "9"; break;
     case 8:
          std::cout << "T"; break;
     case 9: 
          std::cout << "J"; break;
     case 10:
          std::cout << "Q"; break;
     case 11:
          std::cout << "K"; break;
     case 12:
          std::cout << "A"; break;
     }
     
     switch(suit) {
     case 0:
          std::cout << "C" <<"     "; break;
     case 1:
          std::cout << "D" <<"     "; break;
     case 2:
          std::cout << "H" <<"     "; break;
     case 3:
          std::cout << "S" <<"     "; break;                      
     }                         
}        
 
deckOfCards::deckOfCards() {
     cardsInDeck=52;
}      
             
//This will let the user inspect whether the deck is empty or not                     
int deckOfCards::deckEmpty() const {
     if (cardsInDeck <= 2)   
         //the deck is empty, this tells the user by returning true
         return 1;
     else
         //the deck is not empty, returns false
         return 0;    
}         
                      
//All elements are set to 1, meaning all cards in deck are now playable
//  user will call this function when deckEmpty returns true;
void deckOfCards::shuffle() {
     for(int i=0; i<=51; i++) {
        deck[i]=1;
     }   
     cardsInDeck=52;
}     

//The user will call this function to get a card 
playingCard deckOfCards::deal() { 
     int c;   //used for switch statement     
     cardSuit s; //this is used to determine suit
     cardRank r; //this is used to determine rank of that suit
     const int divisor=13; 
     int card_dealt=(rand() % (52));
     if (deck[card_dealt]==1) {
        //card found, determine the suit and rank
        c=(card_dealt/divisor);
        r=(card_dealt%divisor); 
        //remove card from deck, by setting this element to zero
        deck[card_dealt]=0; 
        //decrement the number of cards in the deck
        --cardsInDeck;     
        switch(c) {
        case 0:
             s=CLUBS;    break;
        case 1:
             s=DIAMONDS; break;
        case 2:
             s=HEARTS;   break;
        case 3:
             s=SPADES;   break; 
        }                                      
     }                              
     else {   
        //The card was not in the deck so get another card recurrsively
        return deckOfCards::deal();
     }
     playingCard cards(s,r);
     return cards;   
}