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#include "stdafx.h"
#include "Timer.h"
#include "..\Minecraft.World\System.h"
Timer::Timer(float ticksPerSecond)
{
// 4J - added initialisers
lastTime = 0;
ticks = 0;
a = 0;
timeScale = 1;
passedTime = 0;
accumMs = 0;
adjustTime = 1.0;
this->ticksPerSecond = ticksPerSecond;
lastMs = System::currentTimeMillis();
lastMsSysTime = System::nanoTime() / 1000000;
}
void Timer::advanceTime()
{
__int64 nowMs = System::currentTimeMillis();
__int64 passedMs = nowMs - lastMs;
__int64 msSysTime = System::nanoTime() / 1000000;
double now = msSysTime / 1000.0;
if (passedMs > 1000)
{
lastTime = now;
}
else if (passedMs < 0)
{
lastTime = now;
}
else
{
accumMs += passedMs;
if (accumMs > 1000)
{
__int64 passedMsSysTime = msSysTime - lastMsSysTime;
double adjustTimeT = accumMs / (double) passedMsSysTime;
adjustTime += (adjustTimeT - adjustTime) * 0.2f;
lastMsSysTime = msSysTime;
accumMs = 0;
}
if (accumMs < 0)
{
lastMsSysTime = msSysTime;
}
}
lastMs = nowMs;
double passedSeconds = (now - lastTime) * adjustTime;
lastTime = now;
if (passedSeconds < 0) passedSeconds = 0;
if (passedSeconds > 1) passedSeconds = 1;
passedTime = (float)( passedTime + (passedSeconds * timeScale * ticksPerSecond));
ticks = (int) passedTime;
passedTime -= ticks;
if (ticks > MAX_TICKS_PER_UPDATE) ticks = MAX_TICKS_PER_UPDATE;
a = passedTime;
}
void Timer::advanceTimeQuickly()
{
double passedSeconds = (double) MAX_TICKS_PER_UPDATE / (double) ticksPerSecond;
passedTime = (float)(passedTime + (passedSeconds * timeScale * ticksPerSecond));
ticks = (int) passedTime;
passedTime -= ticks;
a = passedTime;
lastMs = System::currentTimeMillis();
lastMsSysTime = System::nanoTime() / 1000000;
}
void Timer::skipTime()
{
__int64 nowMs = System::currentTimeMillis();
__int64 passedMs = nowMs - lastMs;
__int64 msSysTime = System::nanoTime() / 1000000;
double now = msSysTime / 1000.0;
if (passedMs > 1000)
{
lastTime = now;
}
else if (passedMs < 0)
{
lastTime = now;
}
else
{
accumMs += passedMs;
if (accumMs > 1000)
{
__int64 passedMsSysTime = msSysTime - lastMsSysTime;
double adjustTimeT = accumMs / (double) passedMsSysTime;
adjustTime += (adjustTimeT - adjustTime) * 0.2f;
lastMsSysTime = msSysTime;
accumMs = 0;
}
if (accumMs < 0)
{
lastMsSysTime = msSysTime;
}
}
lastMs = nowMs;
double passedSeconds = (now - lastTime) * adjustTime;
lastTime = now;
if (passedSeconds < 0) passedSeconds = 0;
if (passedSeconds > 1) passedSeconds = 1;
passedTime = (float)(passedTime + (passedSeconds * timeScale * ticksPerSecond));
ticks = (int) 0;
if (ticks > MAX_TICKS_PER_UPDATE) ticks = MAX_TICKS_PER_UPDATE;
passedTime -= ticks;
}
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