// 
// Decompiled by Procyon v0.5.36
// 

package com.mojang.minecraft;

public class Timer
{
    private static final long NS_PER_SECOND = 1000000000L;
    private static final long MAX_NS_PER_UPDATE = 1000000000L;
    private static final int MAX_TICKS_PER_UPDATE = 100;
    private float ticksPerSecond;
    private long lastTime;
    public int ticks;
    public float a;
    public float timeScale;
    public float fps;
    public float passedTime;
    
    public Timer(final float ticksPerSecond) {
        this.timeScale = 1.0f;
        this.fps = 0.0f;
        this.passedTime = 0.0f;
        this.ticksPerSecond = ticksPerSecond;
        this.lastTime = System.nanoTime();
    }
    
    public void advanceTime() {
        final long now = System.nanoTime();
        long passedNs = now - this.lastTime;
        this.lastTime = now;
        if (passedNs < 0L) {
            passedNs = 0L;
        }
        if (passedNs > 1000000000L) {
            passedNs = 1000000000L;
        }
        this.fps = (float)(1000000000L / passedNs);
        this.passedTime += passedNs * this.timeScale * this.ticksPerSecond / 1.0E9f;
        this.ticks = (int)this.passedTime;
        if (this.ticks > 100) {
            this.ticks = 100;
        }
        this.passedTime -= this.ticks;
        this.a = this.passedTime;
    }
}