62 lines
1.8 KiB
Java
62 lines
1.8 KiB
Java
package mindustry.audio;
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import arc.*;
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import arc.audio.*;
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import arc.math.*;
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import arc.math.geom.*;
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import arc.struct.*;
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import mindustry.*;
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public class LoopControl{
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private ObjectMap<Sound, SoundData> sounds = new ObjectMap<>();
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public void play(Sound sound, Position pos, float volume){
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if(Vars.headless) return;
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float baseVol = sound.calcFalloff(pos.getX(), pos.getY());
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float vol = baseVol * volume;
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SoundData data = sounds.get(sound, SoundData::new);
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data.volume += vol;
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data.volume = Mathf.clamp(data.volume, 0f, 1f);
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data.total += baseVol;
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data.sum.add(pos.getX() * baseVol, pos.getY() * baseVol);
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}
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public void update(){
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float avol = Core.settings.getInt("ambientvol", 100) / 100f;
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sounds.each((sound, data) -> {
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data.curVolume = Mathf.lerpDelta(data.curVolume, data.volume * avol, 0.2f);
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boolean play = data.curVolume > 0.01f;
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float pan = Mathf.zero(data.total, 0.0001f) ? 0f : sound.calcPan(data.sum.x / data.total, data.sum.y / data.total);
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if(data.soundID <= 0 || !sound.isPlaying(data.soundID)){
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if(play){
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data.soundID = sound.loop(data.curVolume, 1f, pan);
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}
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}else{
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if(data.curVolume <= 0.001f){
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sound.stop();
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data.soundID = -1;
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return;
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}
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sound.setPan(data.soundID, pan, data.curVolume);
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}
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data.volume = 0f;
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data.total = 0f;
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data.sum.setZero();
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});
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}
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private static class SoundData{
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float volume;
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float total;
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Vec2 sum = new Vec2();
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int soundID;
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float curVolume;
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}
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}
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