NazaraEngine/include/Nazara/Core/Clock.hpp

56 lines
1.2 KiB
C++

// Copyright (C) 2017 Jérôme Leclercq
// 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_CLOCK_HPP
#define NAZARA_CLOCK_HPP
#include <Nazara/Prerequesites.hpp>
#if NAZARA_CORE_THREADSAFE && NAZARA_THREADSAFETY_CLOCK
#include <Nazara/Core/ThreadSafety.hpp>
#else
#include <Nazara/Core/ThreadSafetyOff.hpp>
#endif
namespace Nz
{
class NAZARA_CORE_API Clock
{
public:
Clock(UInt64 startingValue = 0, bool paused = false);
Clock(const Clock& clock) = default;
Clock(Clock&& clock) = default;
~Clock() = default;
float GetSeconds() const;
UInt64 GetMicroseconds() const;
UInt64 GetMilliseconds() const;
bool IsPaused() const;
void Pause();
void Restart();
void Unpause();
Clock& operator=(const Clock& clock) = default;
Clock& operator=(Clock&& clock) = default;
private:
NazaraMutexAttrib(m_mutex, mutable)
UInt64 m_elapsedTime;
UInt64 m_refTime;
bool m_paused;
};
typedef UInt64 (*ClockFunction)();
extern NAZARA_CORE_API ClockFunction GetElapsedMicroseconds;
extern NAZARA_CORE_API ClockFunction GetElapsedMilliseconds;
}
#endif // NAZARA_CLOCK_HPP