void Deck::shuffleDeck() {
for (int i = 0; i < TOTAL_NUM_CARDS; ++i) {
int swap_i = getRandomNumber(0, TOTAL_NUM_CARDS - 1);
swapCard(m_deck[i], m_deck.at(swap_i));
}
m_top_card_i = 0;
}
// Shuffle the deck using a seed
void Deck::shuffle(int seed) {
static std::mt19937 rng(seed);
int n = 52;
while ( n > 1 ) {
int k = (int) (rng() % n);
--n;
swapCard(n, k);
}
}
/**
* Shuffles a deck.
* @param deck pointer to first card in a deck
*/
void shuffleDeck(struct card * deck) {
srand(time(NULL)); //Generate seed
//Fisher-Yates shuffling algorithm
int i;
for (i = NUMCARDS - 1; i > 0; i--) {
//Pick random index from 0 to i
int j = rand() % (i + 1);
//Swap deck[i] with the element at random index
swapCard(&deck[i], &deck[j]);
}
}
/**
* Takes a hand and sorts it by increasing card value.
* @param numCards number of cards in each hand
* @param cards the cards array
*/
void sortHand(int numCards, struct card * cards) {
int i, j;
for (j = 0; j < numCards - 1; j++) {
/* assume first is smallest */
int min = j;
/* test against next elements */
for (i = j + 1; i < numCards; i++) {
/* if element is smaller, set to small */
if (cards[i].value < cards[min].value) {
min = i;
}
}
if (min != j) {
swapCard(&cards[j], &cards[min]);
}
}
}
