Files
Mindustry/core/src/mindustry/audio/SoundControl.java
2024-07-05 21:42:23 -04:00

330 lines
10 KiB
Java

package mindustry.audio;
import arc.*;
import arc.audio.*;
import arc.audio.Filters.*;
import arc.files.*;
import arc.math.*;
import arc.math.geom.*;
import arc.struct.*;
import arc.util.*;
import mindustry.*;
import mindustry.content.*;
import mindustry.game.EventType.*;
import mindustry.gen.*;
import static mindustry.Vars.*;
/** Controls playback of multiple audio tracks.*/
public class SoundControl{
public float finTime = 120f, foutTime = 120f, musicInterval = 3f * Time.toMinutes, musicChance = 0.8f, musicWaveChance = 0.46f;
/** normal, ambient music, plays at any time */
public Seq<Music> ambientMusic = Seq.with();
/** darker music, used in times of conflict */
public Seq<Music> darkMusic = Seq.with();
/** music used explicitly after boss spawns */
public Seq<Music> bossMusic = Seq.with();
protected Music lastRandomPlayed;
protected Interval timer = new Interval(4);
protected long lastPlayed;
protected @Nullable Music current;
protected float fade;
protected boolean silenced;
protected AudioBus uiBus = new AudioBus();
protected boolean wasPlaying;
protected AudioFilter filter = new BiquadFilter(){{
set(0, 500, 1);
}};
protected ObjectMap<Sound, SoundData> sounds = new ObjectMap<>();
public SoundControl(){
Events.on(ClientLoadEvent.class, e -> reload());
//only run music 10 seconds after a wave spawns
Events.on(WaveEvent.class, e -> Time.run(Mathf.random(8f, 15f) * 60f, () -> {
boolean boss = state.rules.spawns.contains(group -> group.getSpawned(state.wave - 2) > 0 && group.effect == StatusEffects.boss);
if(boss){
playOnce(bossMusic.random(lastRandomPlayed));
}else if(Mathf.chance(musicWaveChance)){
playRandom();
}
}));
setupFilters();
Events.on(ResetEvent.class, e -> {
lastPlayed = Time.millis();
});
}
protected void setupFilters(){
Core.audio.soundBus.setFilter(0, filter);
Core.audio.soundBus.setFilterParam(0, Filters.paramWet, 0f);
}
protected void reload(){
current = null;
fade = 0f;
ambientMusic = Seq.with(Musics.game1, Musics.game3, Musics.game6, Musics.game8, Musics.game9, Musics.fine);
darkMusic = Seq.with(Musics.game2, Musics.game5, Musics.game7, Musics.game4);
bossMusic = Seq.with(Musics.boss1, Musics.boss2, Musics.game2, Musics.game5);
//setup UI bus for all sounds that are in the UI folder
for(var sound : Core.assets.getAll(Sound.class, new Seq<>())){
var file = Fi.get(Core.assets.getAssetFileName(sound));
if(file.parent().name().equals("ui")){
sound.setBus(uiBus);
}
}
Events.fire(new MusicRegisterEvent());
}
public void loop(Sound sound, float volume){
if(Vars.headless) return;
loop(sound, Core.camera.position, volume);
}
public void loop(Sound sound, Position pos, float volume){
if(Vars.headless) return;
float baseVol = sound.calcFalloff(pos.getX(), pos.getY());
float vol = baseVol * volume;
SoundData data = sounds.get(sound, SoundData::new);
data.volume += vol;
data.volume = Mathf.clamp(data.volume, 0f, 1f);
data.total += baseVol;
data.sum.add(pos.getX() * baseVol, pos.getY() * baseVol);
}
public void stop(){
silenced = true;
if(current != null){
current.stop();
current = null;
fade = 0f;
}
}
/** Update and play the right music track.*/
public void update(){
boolean paused = state.isGame() && Core.scene.hasDialog();
boolean playing = state.isGame();
//check if current track is finished
if(current != null && !current.isPlaying()){
current = null;
fade = 0f;
}
//fade the lowpass filter in/out, poll every 30 ticks just in case performance is an issue
if(timer.get(1, 30f)){
Core.audio.soundBus.fadeFilterParam(0, Filters.paramWet, paused ? 1f : 0f, 0.4f);
}
//play/stop ordinary effects
if(playing != wasPlaying){
wasPlaying = playing;
if(playing){
Core.audio.soundBus.play();
setupFilters();
}else{
//stopping a single audio bus stops everything else, yay!
Core.audio.soundBus.stop();
//play music bus again, as it was stopped above
Core.audio.musicBus.play();
Core.audio.soundBus.play();
}
}
Core.audio.setPaused(Core.audio.soundBus.id, state.isPaused());
if(state.isMenu()){
silenced = false;
if(ui.planet.isShown()){
play(ui.planet.state.planet.launchMusic);
}else if(ui.editor.isShown()){
play(Musics.editor);
}else{
play(Musics.menu);
}
}else if(state.rules.editor){
silenced = false;
play(Musics.editor);
}else{
//this just fades out the last track to make way for ingame music
silence();
if(Core.settings.getBool("alwaysmusic")){
if(current == null){
playRandom();
}
}else if(Time.timeSinceMillis(lastPlayed) > 1000 * musicInterval / 60f){
//chance to play it per interval
if(Mathf.chance(musicChance)){
lastPlayed = Time.millis();
playRandom();
}
}
}
updateLoops();
}
protected void updateLoops(){
//clear loops when in menu
if(!state.isGame()){
sounds.clear();
return;
}
float avol = Core.settings.getInt("ambientvol", 100) / 100f;
sounds.each((sound, data) -> {
data.curVolume = Mathf.lerpDelta(data.curVolume, data.volume * avol, 0.11f);
boolean play = data.curVolume > 0.01f;
float pan = Mathf.zero(data.total, 0.0001f) ? 0f : sound.calcPan(data.sum.x / data.total, data.sum.y / data.total);
if(data.soundID <= 0 || !Core.audio.isPlaying(data.soundID)){
if(play){
data.soundID = sound.loop(data.curVolume, 1f, pan);
Core.audio.protect(data.soundID, true);
}
}else{
if(data.curVolume <= 0.001f){
sound.stop();
data.soundID = -1;
return;
}
Core.audio.set(data.soundID, pan, data.curVolume);
}
data.volume = 0f;
data.total = 0f;
data.sum.setZero();
});
}
/** Plays a random track.*/
public void playRandom(){
if(state.boss() != null){
playOnce(bossMusic.random(lastRandomPlayed));
}else if(isDark()){
playOnce(darkMusic.random(lastRandomPlayed));
}else{
playOnce(ambientMusic.random(lastRandomPlayed));
}
}
/** Whether to play dark music.*/
protected boolean isDark(){
if(player.team().data().hasCore() && player.team().data().core().healthf() < 0.85f){
//core damaged -> dark
return true;
}
//it may be dark based on wave
if(Mathf.chance((float)(Math.log10((state.wave - 17f)/19f) + 1) / 4f)){
return true;
}
//dark based on enemies
return Mathf.chance(state.enemies / 70f + 0.1f);
}
/** Plays and fades in a music track. This must be called every frame.
* If something is already playing, fades out that track and fades in this new music.*/
protected void play(@Nullable Music music){
if(!shouldPlay()){
if(current != null){
current.setVolume(0);
}
fade = 0f;
return;
}
//update volume of current track
if(current != null){
current.setVolume(fade * Core.settings.getInt("musicvol") / 100f);
}
//do not update once the track has faded out completely, just stop
if(silenced){
return;
}
if(current == null && music != null){
//begin playing in a new track
current = music;
current.setLooping(true);
current.setVolume(fade = 0f);
current.play();
silenced = false;
}else if(current == music && music != null){
//fade in the playing track
fade = Mathf.clamp(fade + Time.delta /finTime);
}else if(current != null){
//fade out the current track
fade = Mathf.clamp(fade - Time.delta /foutTime);
if(fade <= 0.01f){
//stop current track when it hits 0 volume
current.stop();
current = null;
silenced = true;
if(music != null){
//play newly scheduled track
current = music;
current.setVolume(fade = 0f);
current.setLooping(true);
current.play();
silenced = false;
}
}
}
}
/** Plays a music track once and only once. If something is already playing, does nothing.*/
protected void playOnce(Music music){
if(current != null || music == null || !shouldPlay()) return; //do not interrupt already-playing tracks
//save last random track played to prevent duplicates
lastRandomPlayed = music;
//set fade to 1 and play it, stopping the current when it's done
fade = 1f;
current = music;
current.setVolume(1f);
current.setLooping(false);
current.play();
}
protected boolean shouldPlay(){
return Core.settings.getInt("musicvol") > 0;
}
/** Fades out the current track, unless it has already been silenced. */
protected void silence(){
play(null);
}
protected static class SoundData{
float volume;
float total;
Vec2 sum = new Vec2();
int soundID;
float curVolume;
}
}