yukinovel/dist/core/AudioManager.js

Yukinovel is a simple web visual novel engine.

import howlerModule from 'howler';
// Try to import Howler, fallback to mock if not available
let Howl;
let Howler;
try {
    Howl = howlerModule.Howl;
    Howler = howlerModule.Howler;
}
catch (e) {
    // Mock implementation for development
    Howl = class MockHowl {
        constructor(options) {
            console.log('Mock Howl created with options:', options);
        }
        play() { console.log('Mock: play audio'); }
        stop() { console.log('Mock: stop audio'); }
        pause() { console.log('Mock: pause audio'); }
        volume(vol) {
            if (vol !== undefined) {
                console.log('Mock: set volume to', vol);
                return this;
            }
            return 1;
        }
        unload() { console.log('Mock: unload audio'); }
    };
    Howler = {
        volume: (vol) => console.log('Mock: set global volume to', vol)
    };
}
export class AudioManager {
    constructor() {
        this.currentMusic = null;
        this.soundEffects = new Map();
        this.musicVolume = 0.7;
        this.sfxVolume = 0.8;
        Howler.volume(1.0);
    }
    // Music management
    playMusic(src, loop = true) {
        if (this.currentMusic) {
            this.currentMusic.stop();
        }
        this.currentMusic = new Howl({
            src: [src],
            loop,
            volume: this.musicVolume,
            autoplay: true,
            onloaderror: (id, error) => {
                console.warn(`Failed to load music: ${src}`, error);
            }
        });
    }
    stopMusic() {
        if (this.currentMusic) {
            this.currentMusic.stop();
            this.currentMusic = null;
        }
    }
    pauseMusic() {
        if (this.currentMusic) {
            this.currentMusic.pause();
        }
    }
    resumeMusic() {
        if (this.currentMusic) {
            this.currentMusic.play();
        }
    }
    // Sound effects
    playSound(src) {
        let sound = this.soundEffects.get(src);
        if (!sound) {
            sound = new Howl({
                src: [src],
                volume: this.sfxVolume,
                onloaderror: (id, error) => {
                    console.warn(`Failed to load sound: ${src}`, error);
                }
            });
            this.soundEffects.set(src, sound);
        }
        sound.play();
    }
    // Volume control
    setMusicVolume(volume) {
        this.musicVolume = Math.max(0, Math.min(1, volume));
        if (this.currentMusic) {
            this.currentMusic.volume(this.musicVolume);
        }
    }
    setSfxVolume(volume) {
        this.sfxVolume = Math.max(0, Math.min(1, volume));
        this.soundEffects.forEach(sound => {
            sound.volume(this.sfxVolume);
        });
    }
    getMusicVolume() {
        return this.musicVolume;
    }
    getSfxVolume() {
        return this.sfxVolume;
    }
    // Cleanup
    dispose() {
        this.stopMusic();
        this.soundEffects.forEach(sound => sound.unload());
        this.soundEffects.clear();
    }
}