forked from Kolyah35/minecraft-pe-0.6.1
125 lines
3.4 KiB
C++
Executable File
125 lines
3.4 KiB
C++
Executable File
#ifndef NET_MINECRAFT_CLIENT__Timer_H__
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#define NET_MINECRAFT_CLIENT__Timer_H__
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//package net.minecraft.client;
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#include "../platform/time.h"
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class Timer
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{
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public:
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Timer(float ticksPerSecond)
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: ticksPerSecond(ticksPerSecond),
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adjustTime(1.0f),
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timeScale(1.0f),
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passedTime(0)
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{
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lastMs = getTimeMs();
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lastMsSysTime = lastMs;
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lastTime = lastMs / 1000.0f;
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}
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void advanceTime() {
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long nowMs = getTimeMs();
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long passedMs = nowMs - lastMs;
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long msSysTime = nowMs;//System.nanoTime() / 1000000;
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if (passedMs > 1000) {
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long passedMsSysTime = msSysTime - lastMsSysTime;
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if (passedMsSysTime == 0)
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passedMs = passedMsSysTime = 1;
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float adjustTimeT = passedMs / (float) passedMsSysTime;
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adjustTime += (adjustTimeT - adjustTime) * 0.2f;
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lastMs = nowMs;
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lastMsSysTime = msSysTime;
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}
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if (passedMs < 0) {
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lastMs = nowMs;
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lastMsSysTime = msSysTime;
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}
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float now = msSysTime / 1000.0f;
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float 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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//LOGI("passed s: %f\n", passedSeconds);
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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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/**
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* Advances time the max number of ticks per second.
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*/
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void advanceTimeQuickly() {
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float passedSeconds = (float) MAX_TICKS_PER_UPDATE / (float) ticksPerSecond;
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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 = getTimeMs();//System.currentTimeMillis();
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lastMsSysTime = lastMs;
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}
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void skipTime() {
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long nowMs = getTimeMs();//System.currentTimeMillis();
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long passedMs = nowMs - lastMs;
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long msSysTime = nowMs;//System.nanoTime() / 1000000;
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if (passedMs > 1000) {
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long passedMsSysTime = msSysTime - lastMsSysTime;
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if (passedMsSysTime == 0)
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passedMs = passedMsSysTime = 1;
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float adjustTimeT = passedMs / (float) passedMsSysTime;
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adjustTime += (adjustTimeT - adjustTime) * 0.2f;
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lastMs = nowMs;
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lastMsSysTime = msSysTime;
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}
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if (passedMs < 0) {
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lastMs = nowMs;
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lastMsSysTime = msSysTime;
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}
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float now = msSysTime / 1000.0f;
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float 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 += 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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}
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public:
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float ticksPerSecond;
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int ticks;
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float a;
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float timeScale;
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float passedTime;
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private:
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static const int MAX_TICKS_PER_UPDATE = 10;
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float lastTime;
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long lastMs;
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long lastMsSysTime;
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float adjustTime;
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};
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#endif /*NET_MINECRAFT_CLIENT__Timer_H__*/
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