Time.cpp

Go to the documentation of this file.

 
#include <SDL3/SDL_timer.h>
 
#include "Time.hpp"
 
namespace galaxy
{
    namespace time
    {
        static double s_delta_time = 0.0;
 
        auto now() noexcept -> std::chrono::local_time<std::chrono::system_clock::duration>
        {
            return std::chrono::zoned_time {std::chrono::current_zone(), std::chrono::system_clock::now()}.get_local_time();
        }
 
        std::uint64_t time_since_epoch() noexcept
        {
            const auto duration = now().time_since_epoch();
            return std::chrono::duration_cast<std::chrono::nanoseconds>(duration).count();
        }
 
        void dt(const double dt) noexcept
        {
            s_delta_time = dt;
        }
 
        double dt() noexcept
        {
            return s_delta_time;
        }
 
        void delay(const int milli) noexcept
        {
            SDL_DelayPrecise(SDL_MS_TO_NS(milli));
        }
 
        std::uint64_t ms_to_ns(const std::uint64_t ms) noexcept
        {
            return SDL_MS_TO_NS(ms);
        }
 
        std::uint64_t ns_to_ms(const std::uint64_t ns) noexcept
        {
            return SDL_NS_TO_MS(ns);
        }
 
        std::uint64_t ns_to_s(const std::uint64_t ns) noexcept
        {
            return SDL_NS_TO_SECONDS(ns);
        }
 
        std::uint64_t ns_to_us(const std::uint64_t ns) noexcept
        {
            return SDL_NS_TO_US(ns);
        }
 
        std::uint64_t s_to_ns(const std::uint64_t s) noexcept
        {
            return SDL_SECONDS_TO_NS(s);
        }
 
        std::uint64_t us_to_ns(const std::uint64_t us) noexcept
        {
            return SDL_US_TO_NS(us);
        }
    } // namespace time
} // namespace galaxy