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50 lines
808 B
C++
50 lines
808 B
C++
/*
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timer.h
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Copyright (C) 2007 Acekard, www.acekard.com
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Copyright (C) 2007-2009 somebody
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Copyright (C) 2009 yellow wood goblin
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SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#pragma once
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#include <nds.h>
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#include "singleton.h"
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class cTimer {
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public:
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cTimer();
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~cTimer() {}
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public:
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void initTimer();
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double updateTimer();
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double updateFps();
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double getFps();
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double getTime();
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vu64 getTick();
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double tickToUs(u64 tick);
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private:
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static void timerInterruptHandler();
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double _lastTime;
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double _currentTime;
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static vu64 _overFlow;
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const double _factor = 1.f / (33.514 * 1000000.f);
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double _fps;
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u32 _fpsCounter;
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};
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typedef t_singleton<cTimer> timer_s;
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inline cTimer& timer() {
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return timer_s::instance();
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}
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