NazaraEngine/include/Nazara/Core/Time.hpp

105 lines
3.4 KiB
C++

// Copyright (C) 2024 Jérôme "SirLynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Core module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_CORE_TIME_HPP
#define NAZARA_CORE_TIME_HPP
#include <NazaraUtils/Prerequisites.hpp>
#include <Nazara/Core/Algorithm.hpp>
#include <Nazara/Core/Config.hpp>
#include <chrono>
#include <iosfwd>
#include <type_traits>
namespace Nz
{
struct SerializationContext;
class Time
{
public:
Time() = default;
Time(const Time&) = default;
Time(Time&&) = default;
~Time() = default;
template<typename T> constexpr T AsDuration() const;
template<typename T = float> constexpr T AsSeconds() const;
constexpr Int64 AsMicroseconds() const;
constexpr Int64 AsMilliseconds() const;
constexpr Int64 AsNanoseconds() const;
Time& operator=(const Time&) = default;
Time& operator=(Time&&) = default;
constexpr Time& operator+=(Time time);
constexpr Time& operator-=(Time time);
constexpr Time& operator*=(Time time);
constexpr Time& operator/=(Time time);
constexpr Time& operator%=(Time time);
constexpr explicit operator Int64() const;
template<class Rep, class Period> static constexpr Time FromDuration(const std::chrono::duration<Rep, Period>& d);
static constexpr Time Microsecond();
static constexpr Time Microseconds(Int64 microseconds);
static constexpr Time Millisecond();
static constexpr Time Milliseconds(Int64 milliseconds);
static constexpr Time Nanosecond();
static constexpr Time Nanoseconds(Int64 nanoseconds);
static constexpr Time Second();
template<typename T> static constexpr Time Seconds(T seconds);
static constexpr Time TickDuration(Int64 tickRate);
static constexpr Time Zero();
// External part
friend constexpr Time operator+(Time time);
friend constexpr Time operator-(Time time);
friend constexpr Time operator+(Time lhs, Time rhs);
friend constexpr Time operator-(Time lhs, Time rhs);
friend constexpr Time operator*(Time lhs, Time rhs);
friend constexpr Time operator/(Time lhs, Time rhs);
friend constexpr Time operator%(Time lhs, Time rhs);
friend constexpr bool operator==(Time lhs, Time rhs);
friend constexpr bool operator!=(Time lhs, Time rhs);
friend constexpr bool operator<(Time lhs, Time rhs);
friend constexpr bool operator<=(Time lhs, Time rhs);
friend constexpr bool operator>(Time lhs, Time rhs);
friend constexpr bool operator>=(Time lhs, Time rhs);
friend NAZARA_CORE_API std::ostream& operator<<(std::ostream& out, Time time);
friend inline bool Serialize(SerializationContext& context, Time time, TypeTag<Time>);
friend inline bool Unserialize(SerializationContext& context, Time* time, TypeTag<Time>);
private:
constexpr explicit Time(Int64 nanoseconds);
Int64 m_nanoseconds;
};
namespace Literals
{
constexpr Time operator ""_ms(unsigned long long milliseconds);
constexpr Time operator ""_ns(unsigned long long nanoseconds);
constexpr Time operator ""_us(unsigned long long microseconds);
constexpr Time operator ""_s(long double seconds);
constexpr Time operator ""_s(unsigned long long seconds);
}
using GetElapsedTimeFunction = Time(*)();
extern NAZARA_CORE_API GetElapsedTimeFunction GetElapsedMilliseconds;
extern NAZARA_CORE_API GetElapsedTimeFunction GetElapsedNanoseconds;
}
#include <Nazara/Core/Time.inl>
#endif // NAZARA_CORE_TIME_HPP