85 lines
1.7 KiB
C++
85 lines
1.7 KiB
C++
#include "NetworkTimer.h"
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NetworkTimer::NetworkTimer()
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:
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c_SecondsPerCount(0.0),
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c_DeltaTime(-1.0),
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c_BaseTime(0),
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c_PausedTime(0),
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c_PrevTime(0),
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c_CurrTime(0),
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c_Stopped(false)
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{
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__int64 countsPerSec;
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QueryPerformanceFrequency((LARGE_INTEGER*)&countsPerSec);
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c_SecondsPerCount =1.0 / (double)countsPerSec;
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QueryPerformanceCounter((LARGE_INTEGER*)&c_PrevTime);
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}
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void NetworkTimer::start()
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{
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__int64 p_StartTime;
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QueryPerformanceCounter((LARGE_INTEGER*)&p_StartTime);
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if(c_Stopped)
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{
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c_PausedTime += (p_StartTime-c_StopTime);
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c_PrevTime = p_StartTime;
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c_StopTime = 0;
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c_Stopped = false;
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}
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}
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__int64 NetworkTimer::getTime()
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{
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__int64 testInt;
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return QueryPerformanceCounter((LARGE_INTEGER*)&testInt);
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return testInt;
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}
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void NetworkTimer::stop()
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{
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if(!c_Stopped)
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{
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__int64 p_CurrTime;
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QueryPerformanceCounter((LARGE_INTEGER*)&p_CurrTime);
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c_StopTime = p_CurrTime;
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c_Stopped = true;
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}
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}
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void NetworkTimer::reset()
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{
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__int64 p_CurrTime;
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QueryPerformanceCounter((LARGE_INTEGER*)&p_CurrTime);
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c_BaseTime = p_CurrTime;
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c_PrevTime = p_CurrTime;
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c_StopTime = 0;
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c_Stopped = false;
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}
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void NetworkTimer::tick()
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{
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if (c_Stopped)
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{
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c_DeltaTime= 0.0;
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return;
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}
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__int64 p_CurrTime;
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QueryPerformanceCounter((LARGE_INTEGER*)&p_CurrTime);
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c_CurrTime=p_CurrTime;
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c_DeltaTime=(c_CurrTime-c_PrevTime)*c_SecondsPerCount;
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c_PrevTime=c_CurrTime;
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if(c_DeltaTime<0.0) c_DeltaTime=0.0;
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}
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float NetworkTimer::getGameTime() const
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{
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if(c_Stopped)
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{
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return (float)((c_StopTime-c_BaseTime)*c_SecondsPerCount);
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} else
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{
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return (float)(((c_CurrTime-c_PausedTime)-c_BaseTime)*c_SecondsPerCount);
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}
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}
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float NetworkTimer::getDeltaTime() const
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{
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return (float)c_DeltaTime;
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} |