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