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LibCards+Games: Move "create a deck" logic to LibCards

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`create_standard_deck()` is the usual 52-card deck, but more custom
setups (such as Spider's multiples-of-one-suit) can be created by
passing suit counts to `create_deck()`.
This commit is contained in:
Sam Atkins 2022-09-28 11:35:12 +01:00 • committed by Sam Atkins
parent 1d533acbc0
commit 46299f3853
5 changed files with 64 additions and 42 deletions
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38
Userland/Libraries/LibCards/Card.cpp
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@ -1,11 +1,13 @@
/*
* Copyright (c) 2020, Till Mayer <till.mayer@web.de>
* Copyright (c) 2022, the SerenityOS developers.
* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "Card.h"
#include <AK/Random.h>
#include <LibCards/CardPainter.h>
namespace Cards {
@ -50,4 +52,40 @@ void Card::clear_and_draw(GUI::Painter& painter, Color const& background_color)
save_old_position();
}
NonnullRefPtrVector<Card> create_standard_deck(Shuffle shuffle)
{
return create_deck(1, 1, 1, 1, shuffle);
}
NonnullRefPtrVector<Card> create_deck(unsigned full_club_suit_count, unsigned full_diamond_suit_count, unsigned full_heart_suit_count, unsigned full_spade_suit_count, Shuffle shuffle)
{
NonnullRefPtrVector<Card> deck;
deck.ensure_capacity(Card::card_count * (full_club_suit_count + full_diamond_suit_count + full_heart_suit_count + full_spade_suit_count));
auto add_cards_for_suit = [&deck](Cards::Suit suit, unsigned number_of_suits) {
for (auto i = 0u; i < number_of_suits; ++i) {
for (auto rank = 0; rank < Card::card_count; ++rank) {
deck.append(Card::construct(suit, static_cast<Cards::Rank>(rank)));
}
}
};
add_cards_for_suit(Cards::Suit::Clubs, full_club_suit_count);
add_cards_for_suit(Cards::Suit::Diamonds, full_diamond_suit_count);
add_cards_for_suit(Cards::Suit::Hearts, full_heart_suit_count);
add_cards_for_suit(Cards::Suit::Spades, full_spade_suit_count);
if (shuffle == Shuffle::Yes)
shuffle_deck(deck);
return deck;
}
void shuffle_deck(NonnullRefPtrVector<Card>& deck)
{
auto iteration_count = deck.size() * 4;
for (auto i = 0u; i < iteration_count; ++i)
deck.append(deck.take(get_random_uniform(deck.size())));
}
}