173 lines
3.6 KiB
JavaScript
173 lines
3.6 KiB
JavaScript
// utils/AudioManager.js - 音频管理器（微信小程序原生）
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class AudioManager {
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constructor() {
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this.bgmContext = null;
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this.sfxContexts = new Map();
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this.voiceContext = null;
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this.isMuted = false;
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this.currentBGM = null;
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}
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/**
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* 初始化音频上下文
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*/
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init() {
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// BGM 音频上下文
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this.bgmContext = wx.createInnerAudioContext();
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this.bgmContext.loop = true;
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this.bgmContext.autoplay = false;
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// 语音音频上下文
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this.voiceContext = wx.createInnerAudioContext();
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this.voiceContext.loop = false;
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this.voiceContext.autoplay = false;
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console.log('[AudioManager] 初始化完成');
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}
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/**
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* 播放背景音乐
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* @param {string} src - 音频文件路径
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*/
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playBGM(src) {
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if (this.isMuted) return;
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if (this.currentBGM === src && !this.bgmContext.paused) {
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return; // 已经在播放相同的BGM
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}
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this.stopBGM();
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this.bgmContext.src = src;
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this.bgmContext.play();
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this.currentBGM = src;
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console.log('[AudioManager] 播放BGM:', src);
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}
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/**
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* 停止背景音乐
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*/
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stopBGM() {
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if (this.bgmContext) {
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this.bgmContext.stop();
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this.currentBGM = null;
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}
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}
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/**
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* 播放音效
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* @param {string} type - 音效类型
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*/
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playSFX(type) {
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if (this.isMuted) return;
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const sfxMap = {
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'drop': '/audio/sfx_drop.mp3',
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'merge': '/audio/sfx_merge.mp3',
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'combo2': '/audio/sfx_combo2.mp3',
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'combo3': '/audio/sfx_combo3.mp3',
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'combo4': '/audio/sfx_combo4.mp3',
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'combo5': '/audio/sfx_combo5.mp3',
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'golden': '/audio/sfx_golden.mp3',
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'clear': '/audio/sfx_clear.mp3',
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'gameover': '/audio/sfx_gameover.mp3',
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'revive': '/audio/sfx_revive.mp3'
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};
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const src = sfxMap[type];
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if (!src) {
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console.warn('[AudioManager] 未知音效类型:', type);
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return;
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}
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// 复用或创建音效上下文
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let context = this.sfxContexts.get(type);
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if (!context) {
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context = wx.createInnerAudioContext();
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context.loop = false;
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context.autoplay = false;
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this.sfxContexts.set(type, context);
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}
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context.src = src;
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context.play();
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console.log('[AudioManager] 播放音效:', type);
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}
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/**
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* 播放语音
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* @param {string} src - 语音文件路径
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*/
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playVoice(src) {
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if (this.isMuted) return;
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this.stopVoice();
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this.voiceContext.src = src;
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this.voiceContext.play();
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console.log('[AudioManager] 播放语音:', src);
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}
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/**
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* 停止语音
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*/
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stopVoice() {
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if (this.voiceContext) {
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this.voiceContext.stop();
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}
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}
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/**
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* 静音/取消静音
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*/
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setMute(muted) {
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this.isMuted = muted;
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if (muted) {
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this.stopBGM();
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this.stopVoice();
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// 停止所有音效
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for (const context of this.sfxContexts.values()) {
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context.stop();
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}
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} else {
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// 恢复BGM
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if (this.currentBGM) {
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this.bgmContext.play();
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}
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}
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console.log('[AudioManager] 静音:', muted);
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}
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/**
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* 销毁所有音频资源
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*/
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destroy() {
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if (this.bgmContext) {
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this.bgmContext.destroy();
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}
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if (this.voiceContext) {
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this.voiceContext.destroy();
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}
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for (const context of this.sfxContexts.values()) {
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context.destroy();
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}
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this.sfxContexts.clear();
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console.log('[AudioManager] 资源已销毁');
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}
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}
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// 单例导出
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const audioManager = new AudioManager();
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module.exports = audioManager;
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