087b7e7abf
This code was not tested and breaks in Release builds, reverting to restore
functionality of the nightly. All in-game menus do not work and generating
a world crashes.
This reverts commit a9be52c41a.
139 lines
3.1 KiB
C++
139 lines
3.1 KiB
C++
#include "stdafx.h"
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#include "Timer.h"
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#include "..\Minecraft.World\System.h"
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Timer::Timer(float ticksPerSecond)
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{
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// 4J - added initialisers
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lastTime = 0;
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ticks = 0;
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a = 0;
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timeScale = 1;
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passedTime = 0;
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accumMs = 0;
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adjustTime = 1.0;
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this->ticksPerSecond = ticksPerSecond;
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lastMs = System::currentTimeMillis();
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lastMsSysTime = System::nanoTime() / 1000000;
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}
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void Timer::advanceTime()
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{
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int64_t nowMs = System::currentTimeMillis();
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int64_t passedMs = nowMs - lastMs;
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// 4J - Use high-resolution timer for 'now' in seconds
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double now = System::nanoTime() / 1000000000.0;
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if (passedMs > 1000)
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{
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lastTime = now;
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}
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else if (passedMs < 0)
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{
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lastTime = now;
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}
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else
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{
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accumMs += passedMs;
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if (accumMs > 1000)
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{
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int64_t msSysTime = (int64_t)(now * 1000.0);
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int64_t passedMsSysTime = msSysTime - lastMsSysTime;
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double adjustTimeT = accumMs / (double) passedMsSysTime;
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adjustTime += (adjustTimeT - adjustTime) * 0.2f;
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lastMsSysTime = msSysTime;
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accumMs = 0;
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}
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if (accumMs < 0)
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{
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lastMsSysTime = (int64_t)(now * 1000.0);
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}
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}
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lastMs = nowMs;
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double passedSeconds = (now - lastTime) * adjustTime;
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lastTime = now;
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if (passedSeconds < 0) passedSeconds = 0;
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if (passedSeconds > 1) passedSeconds = 1;
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passedTime = (float)( passedTime + (passedSeconds * timeScale * ticksPerSecond));
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ticks = (int) passedTime;
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passedTime -= ticks;
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if (ticks > MAX_TICKS_PER_UPDATE) ticks = MAX_TICKS_PER_UPDATE;
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a = passedTime;
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}
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void Timer::advanceTimeQuickly()
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{
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double passedSeconds = (double) MAX_TICKS_PER_UPDATE / (double) ticksPerSecond;
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passedTime = (float)(passedTime + (passedSeconds * timeScale * ticksPerSecond));
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ticks = (int) passedTime;
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passedTime -= ticks;
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a = passedTime;
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lastMs = System::currentTimeMillis();
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lastMsSysTime = System::nanoTime() / 1000000;
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}
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void Timer::skipTime()
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{
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int64_t nowMs = System::currentTimeMillis();
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int64_t passedMs = nowMs - lastMs;
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int64_t msSysTime = System::nanoTime() / 1000000;
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double now = msSysTime / 1000.0;
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if (passedMs > 1000)
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{
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lastTime = now;
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}
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else if (passedMs < 0)
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{
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lastTime = now;
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}
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else
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{
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accumMs += passedMs;
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if (accumMs > 1000)
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{
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int64_t passedMsSysTime = msSysTime - lastMsSysTime;
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double adjustTimeT = accumMs / (double) passedMsSysTime;
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adjustTime += (adjustTimeT - adjustTime) * 0.2f;
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lastMsSysTime = msSysTime;
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accumMs = 0;
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}
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if (accumMs < 0)
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{
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lastMsSysTime = msSysTime;
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}
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}
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lastMs = nowMs;
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double passedSeconds = (now - lastTime) * adjustTime;
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lastTime = now;
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if (passedSeconds < 0) passedSeconds = 0;
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if (passedSeconds > 1) passedSeconds = 1;
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passedTime = (float)(passedTime + (passedSeconds * timeScale * ticksPerSecond));
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ticks = (int) 0;
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if (ticks > MAX_TICKS_PER_UPDATE) ticks = MAX_TICKS_PER_UPDATE;
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passedTime -= ticks;
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} |