palette_pool.hpp

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#pragma once
 
#include <bitset>
#include <cstddef>
#include <vector>
 
#include "porytiles/domain/models/palette.hpp"
 
namespace porytiles {
 
class PalettePool {
  public:
    explicit PalettePool(std::bitset<pal::num_pals> available_indexes);
 
    [[nodiscard]] bool has_available_pal() const
    {
        return (available_indexes_ & ~checked_out_).any();
    }
 
    [[nodiscard]] bool is_available(std::size_t hardware_index) const;
 
    [[nodiscard]] std::size_t checkout();
 
    void checkout(std::size_t index);
 
    void checkin();
 
  private:
    std::bitset<pal::num_pals> available_indexes_;
    std::bitset<pal::num_pals> checked_out_;
    std::vector<std::size_t> checkout_stack_;
};
 
} // namespace porytiles