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- // +++Date last modified: 05-Jul-1997
-
- /*
- ** CARDS.CPP - Playing card classes
- **
- ** public domain by Bob Stout
- */
-
- #include <stddef.h>
- #include <stdlib.h>
- #include <time.h>
- #include <string.h>
- #include "cards.hpp"
-
- const char *suits[] = {"Diamonds", "Clubs", "Hearts", "Spades"};
- const char *cards[] = {"Ace", "Deuce", "Trey", "4", "5", "6", "7", "8", "9",
- "10", "Jack", "Queen", "King"};
-
-
- inline card::card(void)
- {
- rank_ = Rank_Error;
- suit_ = Suit_Error;
- }
-
- inline card::card(cardSuit s, cardRank r)
- {
- rank_ = r;
- suit_ = s;
- }
-
- inline cardRank card::rank(void)
- {
- return rank_;
- }
-
- inline cardSuit card::suit(void)
- {
- return suit_;
- }
-
- inline char * card::rankText(void)
- {
- return (char *)cards[(int)rank_ - 1];
- }
-
- inline char * card::suitText(void)
- {
- return (char *)suits[(int)suit_];
- }
-
- inline void card::set_rank(cardRank r)
- {
- rank_ = r;
- }
-
- inline void card::set_suit(cardSuit s)
- {
- suit_ = s;
- }
-
- inline void card::set_card(cardSuit s, cardRank r)
- {
- rank_ = r;
- suit_ = s;
- }
-
- inline void card::get_card(cardSuit &s, cardRank &r)
- {
- r = rank_;
- s = suit_;
- }
-
-
- deck::deck(void)
- {
- int n = 0;
-
- for (int s = int(Diamond); s <= int(Spade); ++s)
- {
- for (int c = int(Ace); c <= int(King); ++c)
- {
- deck::card_[n].set_rank(cardRank(c));
- deck::card_[n].set_suit(cardSuit(s));
- ++n;
- }
- }
- top = 0;
- }
-
- inline void deck::deal(class card &c)
- {
- if (top < Deck_Size)
- c = deck::card_[top++];
- }
-
- inline int deck::cards_left(void)
- {
- return int(Deck_Size - top);
- }
-
- void deck::shuffle(void)
- {
- int used[Deck_Size], posn = 0;
-
- srand((unsigned)time(NULL) | 1);
- memset(used, 0, Deck_Size * sizeof(int));
-
- for (int s = int(Diamond); s <= int(Spade); ++s)
- {
- for (int c = int(Ace); c <= int(King); ++c)
- {
- posn = (posn + rand()) % Deck_Size;
- while (used[posn])
- posn = ++posn % Deck_Size;
- deck::card_[posn].set_rank(cardRank(c));
- deck::card_[posn].set_suit(cardSuit(s));
- used[posn] = -1;
- }
- }
- top = 0;
- }
-
- #ifdef TEST
-
- #include <iostream.h>
-
- void showem(class deck &d);
-
- main()
- {
- class deck d;
-
- cout << "Deck initially:" << endl << endl;
- showem(d);
- d.shuffle();
- cout << endl << "After shuffling:" << endl << endl;
- showem(d);
- return EXIT_SUCCESS;
- }
-
- void showem(class deck &d)
- {
- for (int i = 0; i <= Deck_Size; ++i)
- {
- class card card_;
-
- if (0 < d.cards_left())
- {
- d.deal(card_);
- cout << "Card #";
- cout.width(2);
- cout.setf(ios::left, ios::adjustfield);
- cout << (i + 1) << " - " <<
- card_.rankText() << " of " <<
- card_.suitText() << endl;
- }
- else cout << "No cards left" << endl;
- }
- }
-
- #endif // TEST
-