Stopwatch.hpp

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#ifndef GALAXY_TIME_STOPWATCH_HPP_
#define GALAXY_TIME_STOPWATCH_HPP_
 
#include <functional>
 
namespace galaxy
{
    class Stopwatch final
    {
    public:
        using Function = std::move_only_function<void(void)>;
 
        Stopwatch();
 
        ~Stopwatch();
 
        void set(Stopwatch::Function&& func, const std::uint64_t delay);
 
        void repeat(const bool repeat);
 
        void start();
 
        void stop();
 
        void pause();
 
        void unpause();
 
        void update();
 
        [[nodiscard]]
        bool stopped() const;
 
        [[nodiscard]]
        bool paused() const;
 
        [[nodiscard]]
        std::uint64_t get_time_passed() const noexcept;
 
    private:
        Stopwatch(const Stopwatch&) = delete;
 
        Stopwatch& operator=(const Stopwatch&) = delete;
 
    private:
        bool m_stopped;
 
        bool m_paused;
 
        bool m_repeat;
 
        std::uint64_t m_start_ticks;
 
        std::uint64_t m_paused_ticks;
 
        std::uint64_t m_delay;
 
        Stopwatch::Function m_callback;
    };
} // namespace galaxy
 
#endif