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/* Starshatter: The Open Source Project
Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
Copyright (c) 1997-2006, Destroyer Studios LLC.
*/
#ifndef Clock_h
#define Clock_h
#include <chrono>
class Clock
{
public:
using inner_clock = std::chrono::high_resolution_clock;
using elapsed_duration = std::chrono::milliseconds;
using count_type = elapsed_duration::rep;
static Clock* GetInstance();
static bool Init();
static void Close();
void Set();
double Step();
void ResetGameTime();
void SkipGameTime(double seconds);
double Delta() const;
double GuiDelta() const;
double Rate() const;
double TimeCompression() const;
count_type GameTime() const;
count_type RealTime() const;
void SetTimeCompression(double compression);
protected:
Clock();
inner_clock::time_point m_point;
inner_clock::duration m_game_elapsed;
inner_clock::duration m_real_elapsed;
double m_compression;
double m_delta;
double m_gui_delta;
double m_rate;
private:
static Clock* instance;
};
#endif // Clock_h
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