RectPack.hpp

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#ifndef GALAXY_MATH_RECTPACK_HPP_
#define GALAXY_MATH_RECTPACK_HPP_
 
#include <optional>
#include <vector>
 
#include <SFML/Graphics/Rect.hpp>
 
namespace galaxy
{
    namespace math
    {
        class RectPack final
        {
        public:
            RectPack() noexcept;
 
            ~RectPack() noexcept;
 
            void init(const int width, const int height) noexcept;
 
            [[nodiscard]]
            std::optional<sf::IntRect> pack(const int width, const int height) noexcept;
 
            void clear() noexcept;
 
            [[nodiscard]]
            int get_width() const noexcept;
 
            [[nodiscard]]
            int get_height() const noexcept;
 
            [[nodiscard]]
            const std::vector<sf::IntRect>& get_free_space() const noexcept;
 
        private:
            int m_width;
 
            int m_height;
 
            std::vector<sf::IntRect> m_free_rects;
        };
    } // namespace math
} // namespace galaxy
 
#endif