Chrono.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "CeresEngine/DataTypes.hpp"
#include "CeresEngine/Macros.hpp"
 
#include <chrono>
#include <ratio>
 
namespace CeresEngine {
 
    template<typename Representation, typename Period = std::ratio<1>> using TTimeInterval = std::chrono::duration<Representation, Period>;
 
    using TimeInterval = TTimeInterval<double>;
 
    using Nanoseconds = TTimeInterval<TimeInterval::rep, std::nano>;
 
    using Microseconds = TTimeInterval<TimeInterval::rep, std::micro>;
 
    using Milliseconds = TTimeInterval<TimeInterval::rep, std::milli>;
 
    using Seconds = TTimeInterval<TimeInterval::rep>;
 
    using Minutes = TTimeInterval<TimeInterval::rep, std::ratio<60>>;
 
    using Hours = TTimeInterval<TimeInterval::rep, std::ratio<3600>>;
 
    using Days = TTimeInterval<TimeInterval::rep, std::ratio<86400>>;
 
    using Weeks = TTimeInterval<TimeInterval::rep, std::ratio<604800>>;
 
    using Months = TTimeInterval<TimeInterval::rep, std::ratio<2629746>>;
 
    using Years = TTimeInterval<TimeInterval::rep, std::ratio<31556952>>;
 
    // ---------------------------------------------------------------------------------------------
 
    using SystemClock = std::chrono::system_clock;
    using SteadyClock = std::chrono::steady_clock;
    using HighResolutionClock = std::chrono::high_resolution_clock;
    //    using UTCClock = std::chrono::utc_clock;
    //    using FileClock = std::chrono::file_clock;
 
    //    using TimeZone = std::chrono::time_zone;
 
    // ---------------------------------------------------------------------------------------------
 
    template<typename Clock, typename Duration = typename Clock::duration> using TDate = std::chrono::time_point<Clock, Duration>;
 
    using Date = TDate<SystemClock, TimeInterval>;
 
    using SteadyClockDate = TDate<SteadyClock, TimeInterval>;
 
} // namespace CeresEngine