IntervalUtil.java

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package com.fs.starfarer.api.util;
 
import java.util.Random;
 
public class IntervalUtil {
    
    private float minInterval;
    private float maxInterval;
 
    private float currInterval;
    private float elapsed = 0;
    private boolean intervalElapsed = false;
    
    private Random random;
    
    public IntervalUtil(float minInterval, float maxInterval) {
        setInterval(minInterval, maxInterval);
    }
    
    public void forceCurrInterval(float value) {
        currInterval = value;
    }
    
    public Random getRandom() {
        return random;
    }
 
    public void setRandom(Random random) {
        this.random = random;
    }
 
    public void randomize() {
        if (random != null) {
            advance(random.nextFloat() * minInterval);
        } else {
            advance((float) Math.random() * minInterval);
        }
    }
    
    public void forceIntervalElapsed() {
        elapsed = currInterval;
    }
 
    
    public float getElapsed() {
        return elapsed;
    }
 
    private void nextInterval() {
        if (random != null) {
            currInterval = minInterval + (maxInterval - minInterval) * random.nextFloat();
        } else {
            currInterval = minInterval + (maxInterval - minInterval) * (float) Math.random();
        }
        elapsed = 0;
        intervalElapsed = false;
    }
 
    public void advance(float amount) {
        if (intervalElapsed) {
            nextInterval();
        }
        elapsed += amount;
        if (elapsed >= currInterval) {
            intervalElapsed = true;
        }
    }
    
    public boolean intervalElapsed() {
        return intervalElapsed;
    }
    
    public float getIntervalDuration() {
        return currInterval;
    }
 
    public void setInterval(float min, float max) {
        this.minInterval = min;
        this.maxInterval = max;
        nextInterval();
    }
 
    public void setElapsed(float elapsed) {
        this.elapsed = elapsed;
    }
 
    public float getMinInterval() {
        return minInterval;
    }
 
    public float getMaxInterval() {
        return maxInterval;
    }
    
    
}