79 lines
2.3 KiB
JavaScript
79 lines
2.3 KiB
JavaScript
// Native ES module served with the production JavaScript MIME type.
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export class AudioDirector {
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constructor(records, getSettings) {
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this.getSettings = getSettings;
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this.records = records;
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this.sounds = new Map();
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this.music = null;
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this.ambience = null;
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this.unlocked = false;
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records.forEach((record) => {
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this.sounds.set(record.id, new window.Howl({
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src: record.urls || [record.url],
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loop: record.type !== "sfx",
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preload: record.type === "sfx",
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volume: 0
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}));
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});
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document.addEventListener("visibilitychange", () => {
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if (document.hidden) window.Howler?.mute(true);
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else if (this.getSettings().sound) window.Howler?.mute(false);
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});
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}
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unlock() {
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this.unlocked = true;
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window.Howler?.ctx?.resume?.();
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this.sync();
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}
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sync() {
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const settings = this.getSettings();
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window.Howler.volume(settings.masterVolume);
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window.Howler.mute(!settings.sound);
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if (this.music) this.sounds.get(this.music)?.volume(settings.musicVolume);
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if (this.ambience) this.sounds.get(this.ambience)?.volume(settings.ambienceVolume * 0.35);
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}
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playLocation(music, ambience) {
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if (!this.unlocked) return;
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this.crossfade("music", music);
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this.crossfade("ambience", ambience);
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}
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crossfade(channel, nextId) {
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const currentId = this[channel];
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if (currentId === nextId) return;
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const settings = this.getSettings();
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const target = channel === "music" ? settings.musicVolume : settings.ambienceVolume * 0.35;
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if (currentId && this.sounds.has(currentId)) {
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const old = this.sounds.get(currentId);
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old.fade(old.volume(), 0, 500);
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window.setTimeout(() => old.stop(), 520);
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}
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this[channel] = nextId;
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const next = this.sounds.get(nextId);
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if (next) {
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next.volume(0);
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if (!next.playing()) next.play();
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next.fade(0, target, 700);
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}
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}
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sfx(id) {
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if (!this.unlocked || !this.getSettings().sound) return;
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const sound = this.sounds.get(id);
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if (sound) {
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sound.volume(this.getSettings().sfxVolume);
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sound.play();
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}
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}
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duck(active) {
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if (!this.music) return;
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const sound = this.sounds.get(this.music);
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const volume = this.getSettings().musicVolume * (active ? 0.45 : 1);
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sound?.fade(sound.volume(), volume, 250);
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}
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}
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