62 lines
1.5 KiB
TypeScript
62 lines
1.5 KiB
TypeScript
export class AudioManager {
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private static _instance: AudioManager | null = null;
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private readonly _audioPools = new Map<string, HTMLAudioElement[]>();
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private static readonly MAX_POOL_SIZE_PER_SOUND = 6;
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static getInstance(): AudioManager {
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if (!AudioManager._instance) {
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AudioManager._instance = new AudioManager();
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}
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return AudioManager._instance;
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}
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private constructor() {}
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playSound(path: string, volume = 1): void {
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const audio = this._acquireAudio(path);
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audio.volume = Math.max(0, Math.min(1, volume));
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audio.currentTime = 0;
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void audio.play().catch(() => {
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audio.pause();
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audio.currentTime = 0;
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});
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}
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destroy(): void {
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this._audioPools.forEach((pool) => {
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pool.forEach((audio) => {
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audio.pause();
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audio.src = "";
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});
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});
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this._audioPools.clear();
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AudioManager._instance = null;
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}
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private _acquireAudio(path: string): HTMLAudioElement {
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const existingPool = this._audioPools.get(path);
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if (existingPool) {
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const availableAudio = existingPool.find(
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(audio) => audio.paused || audio.ended,
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);
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if (availableAudio) return availableAudio;
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if (existingPool.length < AudioManager.MAX_POOL_SIZE_PER_SOUND) {
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const pooledAudio = new Audio(path);
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existingPool.push(pooledAudio);
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return pooledAudio;
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}
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return existingPool[0]!;
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}
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const initialAudio = new Audio(path);
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this._audioPools.set(path, [initialAudio]);
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return initialAudio;
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}
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}
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