53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
#pragma once
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#include <chrono>
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#include <atomic>
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//--- Time System ---//
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class TimeSystem
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{
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public:
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template <typename... Args>
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static void Create(Args&&... args)
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{
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s_timeSys = new TimeSystem(std::forward<Args>(args)...);
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}
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static void UpdateTime()
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{
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s_timeSys->_UpdateTime();
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}
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static auto GetTimeSince(double in_time)
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{
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return s_timeSys->_GetTimeSince(in_time);
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}
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static auto GetTime()
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{
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return s_timeSys->_GetTime();
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}
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private:
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TimeSystem()
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{
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m_startTimePoint = std::chrono::steady_clock::now();
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}
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void _UpdateTime()
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{
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std::chrono::steady_clock::time_point curTimePoint = std::chrono::steady_clock::now();
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std::chrono::duration<double> span = std::chrono::duration_cast<std::chrono::duration<double>>(curTimePoint - m_startTimePoint);
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m_time = span.count();
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}
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double _GetTimeSince(double in_time) const
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{
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return m_time - in_time;
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}
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double _GetTime() const
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{
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return m_time;
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}
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std::chrono::steady_clock::time_point m_startTimePoint;
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std::atomic<double> m_time;
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static TimeSystem* s_timeSys;
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};
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TimeSystem* TimeSystem::s_timeSys;
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