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155 lines
2.9 KiB
155 lines
2.9 KiB
#include <kdebug.h>
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#include "deck.h"
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#include "dealer.h"
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#include <time.h>
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#include <assert.h>
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const int NumberOfCards = 52;
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Deck *Deck::my_deck = 0;
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Deck::Deck( Dealer* parent, int m, int s )
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: Pile( 0, parent ), mult( m )
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{
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_deck = new Card * [mult*NumberOfCards];
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TQ_CHECK_PTR (_deck);
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// only allow 1, 2, or 4 suits
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if ( s == 1 || s == 2 )
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suits = s;
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else
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suits = 4;
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makedeck();
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addToDeck();
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shuffle();
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setAddFlags(Pile::disallow);
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setRemoveFlags(Pile::disallow);
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}
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Deck::~Deck()
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{
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for (uint i=0; i < mult*NumberOfCards; i++) {
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delete _deck[i];
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}
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m_cards.clear();
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delete [] _deck;
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}
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// ----------------------------------------------------------------
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Deck *Deck::new_deck( Dealer *parent, int m, int s )
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{
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my_deck = new Deck(parent, m, s);
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return my_deck;
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}
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void Deck::makedeck()
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{
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int i=0;
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show();
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for ( uint m = 0; m < mult; m++)
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{
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for ( int r = Card::Ace; r <= Card::King; r++)
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{
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for ( int s = Card::Spades-1; s >= Card::Clubs-1 ; s--)
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{
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_deck[i] = new Card(static_cast<Card::Rank>(r),
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static_cast<Card::Suit>(Card::Spades - (s % suits)),
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dealer()->canvas());
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_deck[i]->move(x(), y());
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i++;
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}
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}
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}
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}
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void Deck::collectAndShuffle()
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{
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addToDeck();
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shuffle();
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}
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Card* Deck::nextCard()
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{
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CardList::Iterator c;
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c = m_cards.fromLast(); // Dealing from bottom of deck ....
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if ( c != m_cards.end() ) {
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return *c;
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} else
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return 0;
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}
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// ----------------------------------------------------------------
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static long pseudoRandomSeed = 0;
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static void pseudoRandom_srand(long seed)
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{
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pseudoRandomSeed=seed;
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}
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// Documented as in
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// http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q28150
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//
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static long pseudoRandom_random() {
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pseudoRandomSeed = 214013*pseudoRandomSeed+2531011;
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return (pseudoRandomSeed >> 16) & 0x7fff;
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}
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// Shuffle deck, assuming all cards are in m_cards
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void Deck::shuffle()
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{
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assert(m_cards.count() == uint(mult*NumberOfCards));
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assert(dealer()->gameNumber() >= 0);
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pseudoRandom_srand(dealer()->gameNumber());
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kdDebug(11111) << "first card " << m_cards[0]->name() << " " << dealer()->gameNumber() << endl;
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Card* t;
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long z;
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int left = mult*NumberOfCards;
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for (uint i = 0; i < mult*NumberOfCards; i++) {
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z = pseudoRandom_random() % left;
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t = m_cards[z];
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m_cards[z] = m_cards[left-1];
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m_cards[left-1] = t;
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left--;
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}
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}
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// add cards in deck[] to Deck
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// FIXME: Rename to collectCards()
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void Deck::addToDeck()
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{
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clear();
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for (uint i = 0; i < mult*NumberOfCards; i++) {
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_deck[i]->setTakenDown(false);
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add( _deck[i], true, false );
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}
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}
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