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CARDS.CPP
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C/C++ Source or Header
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1997-07-05
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3KB
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163 lines
// +++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