861 lines
32 KiB
JavaScript
Executable File
861 lines
32 KiB
JavaScript
Executable File
const audios = {};
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import moduleHelper from "./module-helper";
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const msg = 'InnerAudioContext does not exist!';
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const localAudioMap = {};
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const downloadingAudioMap = {};
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const soundVolumeHandler = {};
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const err = function(msg){GameGlobal.manager.printErr(msg)}
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const funs = {
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getFullUrl(v) {
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if (!/^https?:\/\//.test(v)) {
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const cdnPath = GameGlobal.manager.assetPath;
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v = cdnPath.replace(/\/$/, '') + '/' + v.replace(/^\//, '').replace(/^Assets\//, '');
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}
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return encodeURI(v);
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},
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downloadMusic(src){
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return new Promise((resolve,reject)=>{
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wx.downloadFile({
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url: src,
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success(res) {
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if (res.statusCode === 200 && res.tempFilePath ) {
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localAudioMap[src] = res.tempFilePath;
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wx.setStorage({
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key:src,
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data:res.tempFilePath
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}).catch(e=>{});
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resolve(true);
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} else {
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resolve(false);
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}
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},
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fail(e) {
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resolve(false);
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err(e);
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}
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});
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});
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},
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checkLocalFile(src){
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return new Promise(async (resolve, reject)=>{
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let path = localAudioMap[src];
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if(!path){
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try{
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const res = await new Promise((subResolve,subReject)=>{
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wx.getStorage({
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key:src,
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success:(r)=>{
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subResolve(r);
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},
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fail:(e)=>{
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subReject(e);
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}
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})
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});
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path = res.data;
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localAudioMap[src] = path;
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}catch (e){}
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}
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if(!path){
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return resolve(false);
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}
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const fs = wx.getFileSystemManager();
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fs.access({
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path: path,
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success() {
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// 文件存在
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resolve(true);
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},
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fail() {
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// 文件不存在或其他错误
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resolve(false);
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}
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});
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})
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},
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handleDownloadEnd(src,succeeded){
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if(!downloadingAudioMap[src]){
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return;
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}
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while (downloadingAudioMap[src] && downloadingAudioMap[src].length>0){
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const item = downloadingAudioMap[src].shift();
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if(!succeeded){
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item.reject();
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}else{
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item.resolve();
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}
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}
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downloadingAudioMap[src] = null;
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}
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};
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var WEBAudio = {
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audioInstanceIdCounter: 0,
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audioInstances: {},
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audioContext: null,
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audioWebEnabled: 0,
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audioCache: [],
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lOrientation: {x:0, y:0, z:0, xUp:0, yUp:0, zUp:0},
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lPosition: {x:0, y:0, z:0}
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};
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export default {
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WXCreateInnerAudioContext(src, loop, startTime, autoplay, volume, playbackRate, needDownload) {
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const id = new Date().getTime().toString(32) + Math.random().toString(32);
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audios[id] = wx.createInnerAudioContext();
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playbackRate = 1; // 先强制为1，android客户端有bug，设为其他值的话
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audios[id]._needDownload = needDownload;
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audios[id]._src = src;
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if (src) {
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src = funs.getFullUrl(src);
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funs.checkLocalFile(src).then(exist=>{
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if(exist){
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audios[id].src = localAudioMap[src];
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funs.handleDownloadEnd(src,true);
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}else if(needDownload){
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const successFun = function(){
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audios[id].src = localAudioMap[src];
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};
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const failFun = function(){
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moduleHelper.send('OnAudioCallback', JSON.stringify({
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callbackId: id,
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errMsg: "onError"
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}));
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}
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if(!downloadingAudioMap[src]) {
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downloadingAudioMap[src] = [];
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}
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downloadingAudioMap[src].unshift({
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resolve:successFun,reject:failFun
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});
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if(!downloadingAudioMap[src].isDownloading){
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downloadingAudioMap[src].isDownloading = true;
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funs.downloadMusic(src).then(succeeded=>{
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funs.handleDownloadEnd(src,succeeded);
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});
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}
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}else{
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audios[id].src = src;
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}
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});
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}
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if (loop) {
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audios[id].loop = true;
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}
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if (autoplay) {
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audios[id].autoplay = true;
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}
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if (startTime > 0) {
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audios[id].startTime = +startTime.toFixed(2);
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}
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if (volume !== 1) {
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audios[id].volume = +volume.toFixed(2);
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}
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if (playbackRate !== 1) {
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audios[id].playbackRate = +playbackRate.toFixed(2);
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}
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return id;
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},
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WXInnerAudioContextSetBool(id, k, v) {
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if (audios[id]) {
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audios[id][k] = Boolean(+v);
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} else {
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console.error(msg, id);
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}
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},
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WXInnerAudioContextSetString(id, k, v) {
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if (audios[id]) {
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if (k === 'src') {
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v = funs.getFullUrl(v);
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if (localAudioMap[v]) {
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v = localAudioMap[v];
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}
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}
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audios[id][k] = v;
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} else {
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console.error(msg, id);
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}
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},
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WXInnerAudioContextSetFloat(id, k, v) {
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if (audios[id]) {
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audios[id][k] = +v.toFixed(2);
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} else {
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console.error(msg, id);
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}
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},
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WXInnerAudioContextGetFloat(id, k) {
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if (audios[id]) {
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return audios[id][k];
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} else {
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console.error(msg, id);
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return 0;
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}
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},
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WXInnerAudioContextGetBool(id, k) {
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if (audios[id]) {
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return audios[id][k];
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} else {
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console.error(msg, id);
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return false;
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}
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},
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WXInnerAudioContextPlay(id) {
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if (audios[id]) {
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audios[id].play();
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} else {
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console.error(msg, id);
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}
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},
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WXInnerAudioContextPause(id) {
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if (audios[id]) {
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audios[id].pause();
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} else {
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console.error(msg, id);
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}
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},
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WXInnerAudioContextStop(id) {
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if (audios[id]) {
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audios[id].stop();
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} else {
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console.error(msg, id);
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}
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},
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WXInnerAudioContextDestroy(id) {
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if (audios[id]) {
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audios[id].destroy();
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delete audios[id];
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} else {
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console.error(msg, id);
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}
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},
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WXInnerAudioContextSeek(id, position) {
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if (audios[id]) {
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audios[id].seek(+position.toFixed(3));
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} else {
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console.error(msg, id);
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}
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},
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WXInnerAudioContextAddListener(id, key) {
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if (audios[id]) {
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function AddListener(){
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audios[id][key](function (e) {
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moduleHelper.send('OnAudioCallback', JSON.stringify({
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callbackId: id,
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errMsg: key
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}));
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if (key === 'onError') {
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console.error(e);
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}
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});
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}
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if(!audios[id].src && audios[id]._needDownload && audios[id]._src){
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const src = funs.getFullUrl(audios[id]._src);
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if(!downloadingAudioMap[src]){
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downloadingAudioMap[src] = [];
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}
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downloadingAudioMap[src].push({
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resolve:AddListener,
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reject:()=>{}
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});
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}else{
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AddListener();
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}
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} else {
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console.error(msg, id);
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}
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},
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WXInnerAudioContextRemoveListener(id, key) {
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if (audios[id]) {
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audios[id][key]();
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} else {
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console.error(msg, id);
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}
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},
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WXPreDownloadAudios(paths, id) {
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var list = paths.split(',');
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Promise.all(list.map(v => {
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const src = funs.getFullUrl(v);
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return new Promise(async (resolve, reject) => {
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if(!downloadingAudioMap[src]){
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downloadingAudioMap[src] = [{
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resolve,reject
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}];
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const exist = await funs.checkLocalFile(src);
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if(exist){
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funs.handleDownloadEnd(src,true);
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return;
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}
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const succeeded = await funs.downloadMusic(src);
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funs.handleDownloadEnd(src,succeeded);
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}else{
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downloadingAudioMap[src].push({
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resolve,reject
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});
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}
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})
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})).then(() => {
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moduleHelper.send('WXPreDownloadAudiosCallback', JSON.stringify({
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callbackId: id.toString(),
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errMsg: "0"
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}));
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}).catch(e => {
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moduleHelper.send('WXPreDownloadAudiosCallback', JSON.stringify({
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callbackId: id.toString(),
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errMsg: "1"
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}));
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})
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},
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//-------------------Unity Audio适配--------------------
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_JS_Sound_Create_Channel(callback, userData) {
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if (WEBAudio.audioWebEnabled == 0) return;
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var channel = {
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gain: WEBAudio.audioContext.createGain(),
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panner: WEBAudio.audioContext.createPanner(),
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threeD: false,
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playUrl: function (startTime, url, startOffset) {
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try {
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this.setup(url);
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var chan = this;
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this.source.onended = function () {
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chan.disconnectSource();
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if (callback) GameGlobal.unityNamespace.Module.dynCall_vi(callback, [userData]);
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};
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this.source.start(startTime, startOffset);
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this.source.playbackStartTime =
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startTime - startOffset / this.source.playbackRate.value;
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} catch (e) {
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err("playUrl error. Exception: " + e);
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}
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},
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playBuffer: function (startTime, buffer, startOffset) {
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try {
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this.setup();
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this.source.buffer = buffer;
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var chan = this;
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this.source.onended = function () {
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chan.disconnectSource();
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if (callback) GameGlobal.unityNamespace.Module.dynCall_vi(callback, [userData]);
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};
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this.source.start(startTime, startOffset);
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this.source.playbackStartTime =
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startTime - startOffset / this.source.playbackRate.value;
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} catch (e) {
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err("playUrl error. Exception: " + e);
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}
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},
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disconnectSource: function () {
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if (this.source && !this.source.isPausedMockNode) {
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this.source.onended = null;
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this.source.disconnect();
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if (this.source.mediaElement) {
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var url = this.source.mediaElement.src;
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this.source.mediaElement.pause();
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this.source.mediaElement.src = "";
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delete this.source.mediaElement;
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URL.revokeObjectURL(url);
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}
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delete this.source;
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}
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},
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stop: function (delay) {
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if (channel.source && channel.source.buffer) {
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try {
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channel.source.stop(WEBAudio.audioContext.currentTime + delay);
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} catch (e) {}
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if (delay == 0) {
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channel.disconnectSource();
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}
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}
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},
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pause: function () {
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var s = this.source;
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if (!s) return;
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if (s.mediaElement) {
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this.pauseMediaElement();
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return;
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}
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var pausedSource = {
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isPausedMockNode: true,
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loop: s.loop,
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loopStart: s.loopStart,
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loopEnd: s.loopEnd,
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buffer: s.buffer,
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url: s.mediaElement ? s.mediaElement.src : null,
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playbackRate: s.playbackRate.value,
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playbackPausedAtPosition: s.estimatePlaybackPosition(),
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setPitch: function (v) {
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this.playbackRate = v;
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},
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};
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this.stop(0);
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this.disconnectSource();
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this.source = pausedSource;
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},
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resume: function () {
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var pausedSource = this.source;
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if (pausedSource && pausedSource.mediaElement) {
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pausedSource.start();
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return;
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}
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if (!pausedSource || !pausedSource.isPausedMockNode) return;
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delete this.source;
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if (pausedSource.url) {
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this.playUrl(
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WEBAudio.audioContext.currentTime -
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Math.min(0, pausedSource.playbackPausedAtPosition),
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pausedSource.url,
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Math.max(0, pausedSource.playbackPausedAtPosition)
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);
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} else {
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this.playBuffer(
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WEBAudio.audioContext.currentTime -
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Math.min(0, pausedSource.playbackPausedAtPosition),
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pausedSource.buffer,
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Math.max(0, pausedSource.playbackPausedAtPosition)
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);
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}
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this.source.loop = pausedSource.loop;
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this.source.loopStart = pausedSource.loopStart;
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this.source.loopEnd = pausedSource.loopEnd;
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this.source.setPitch(pausedSource.playbackRate);
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},
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setup: function (url) {
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if (this.source && !this.source.isPausedMockNode) return;
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if (!url) {
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this.source = WEBAudio.audioContext.createBufferSource();
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} else {
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this.mediaElement = WEBAudio.audioCache.length ?
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WEBAudio.audioCache.pop() :
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new Audio();
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this.mediaElement.preload = "metadata";
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this.mediaElement.src = url;
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this.source = WEBAudio.audioContext.createMediaElementSource(
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this.mediaElement
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);
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this.source.playbackRate = {};
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var source = this.source;
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Object.defineProperty(this.source, "loop", {
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get: function () {
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return source.mediaElement.loop;
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},
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set: function (v) {
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source.mediaElement.loop = v;
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},
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});
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Object.defineProperty(this.source.playbackRate, "value", {
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get: function () {
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return source.mediaElement.playbackRate;
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},
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set: function (v) {
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source.mediaElement.playbackRate = v;
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},
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});
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Object.defineProperty(this.source, "currentTime", {
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get: function () {
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return source.mediaElement.currentTime;
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},
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set: function (v) {
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source.mediaElement.currentTime = v;
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},
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});
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Object.defineProperty(this.source, "mute", {
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get: function () {
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return source.mediaElement.mute;
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},
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set: function (v) {
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source.mediaElement.mute = v;
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},
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});
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var self = this;
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this.playPromise = null;
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this.pauseRequested = false;
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this.pauseMediaElement = function () {
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if (self.playPromise) {
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self.pauseRequested = true;
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} else {
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source.mediaElement.pause();
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}
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};
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var _startPlayback = function (offset) {
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if (self.playPromise) {
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self.pauseRequested = false;
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return;
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}
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source.mediaElement.currentTime = offset;
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self.playPromise = source.mediaElement.play();
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if (self.playPromise) {
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self.playPromise.then(function () {
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if (self.pauseRequested) {
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source.mediaElement.pause();
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self.pauseRequested = false;
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}
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self.playPromise = null;
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});
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}
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};
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this.source.start = function (startTime, offset) {
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var startDelayThresholdMS = 4;
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var startDelayMS =
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(startTime - WEBAudio.audioContext.currentTime) * 1e3;
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if (startDelayMS > startDelayThresholdMS) {
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setTimeout(function () {
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_startPlayback(offset);
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}, startDelayMS);
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} else {
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_startPlayback(offset);
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}
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};
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this.source.stop = function () {
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self.pauseMediaElement();
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};
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}
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this.source.estimatePlaybackPosition = function () {
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var t =
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(WEBAudio.audioContext.currentTime - this.playbackStartTime) *
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this.playbackRate.value;
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if (this.loop && t >= this.loopStart) {
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t =
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((t - this.loopStart) % (this.loopEnd - this.loopStart)) +
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this.loopStart;
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}
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return t;
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};
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this.source.setPitch = function (newPitch) {
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var curPosition = this.estimatePlaybackPosition();
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if (curPosition >= 0) {
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this.playbackStartTime =
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WEBAudio.audioContext.currentTime - curPosition / newPitch;
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}
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this.playbackRate.value = newPitch;
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};
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this.setupPanning();
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},
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setupPanning: function () {
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if (this.source.isPausedMockNode) return;
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this.source.disconnect();
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if (this.threeD) {
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this.source.connect(this.panner);
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this.panner.connect(this.gain);
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} else {
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this.panner.disconnect();
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this.source.connect(this.gain);
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}
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},
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};
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channel.panner.rolloffFactor = 0;
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channel.gain.connect(WEBAudio.audioContext.destination);
|
||
WEBAudio.audioInstances[++WEBAudio.audioInstanceIdCounter] = channel;
|
||
return WEBAudio.audioInstanceIdCounter;
|
||
},
|
||
_JS_Sound_GetLength(bufferInstance) {
|
||
if (WEBAudio.audioWebEnabled == 0) return 0;
|
||
var sound = WEBAudio.audioInstances[bufferInstance];
|
||
if (sound.buffer) {
|
||
var sampleRateRatio = 44100 / sound.buffer.sampleRate;
|
||
return sound.buffer.length * sampleRateRatio;
|
||
}
|
||
return sound.mediaElement.duration * 44100;
|
||
},
|
||
_JS_Sound_GetLoadState(bufferInstance) {
|
||
if (WEBAudio.audioWebEnabled == 0) return 2;
|
||
var sound = WEBAudio.audioInstances[bufferInstance];
|
||
if (sound.error) return 2;
|
||
if (sound.buffer || sound.url) return 0;
|
||
return 1;
|
||
},
|
||
_JS_Sound_Init() {
|
||
try {
|
||
window.AudioContext = window.AudioContext || window.webkitAudioContext;
|
||
if (window.AudioContext) {
|
||
WEBAudio.audioContext = new AudioContext();
|
||
}
|
||
if (wx && wx.createWebAudioContext) {
|
||
WEBAudio.audioContext = wx.createWebAudioContext();
|
||
console.log("use wx WebAudio");
|
||
}
|
||
if (!WEBAudio.audioContext) {
|
||
err('Minigame Web Audio API not suppoted')
|
||
return
|
||
}
|
||
var tryToResumeAudioContext = function () {
|
||
if (WEBAudio.audioContext.state === "suspended") {
|
||
WEBAudio.audioContext.resume();
|
||
}
|
||
else clearInterval(resumeInterval);
|
||
};
|
||
// var resumeInterval = setInterval(tryToResumeAudioContext, 400);
|
||
WEBAudio.audioWebEnabled = 1;
|
||
wx.onShow((result) => {WEBAudio.audioContext.resume()});
|
||
} catch (e) {
|
||
err("Web Audio API is not supported in this browser");
|
||
}
|
||
},
|
||
_JS_Sound_Load(ptr, length, decompress) {
|
||
if (WEBAudio.audioWebEnabled == 0) return 0;
|
||
var sound = {
|
||
buffer: null,
|
||
error: false
|
||
};
|
||
WEBAudio.audioInstances[++WEBAudio.audioInstanceIdCounter] = sound;
|
||
var audioData = GameGlobal.unityNamespace.Module.HEAPU8.buffer.slice(ptr, ptr + length);
|
||
WEBAudio.audioContext.decodeAudioData(
|
||
audioData,
|
||
function (buffer) {
|
||
sound.buffer = buffer;
|
||
},
|
||
function (error) {
|
||
sound.error = true;
|
||
console.log("Decode error: " + error);
|
||
}
|
||
);
|
||
return WEBAudio.audioInstanceIdCounter;
|
||
},
|
||
_JS_Sound_Load_PCM(channels, length, sampleRate, ptr) {
|
||
if (WEBAudio.audioWebEnabled == 0) return 0;
|
||
var sound = {
|
||
buffer: WEBAudio.audioContext.createBuffer(channels, length, sampleRate),
|
||
error: false,
|
||
};
|
||
for (var i = 0; i < channels; i++) {
|
||
var offs = (ptr >> 2) + length * i;
|
||
var buffer = sound.buffer;
|
||
var copyToChannel =
|
||
buffer["copyToChannel"] ||
|
||
function (source, channelNumber, startInChannel) {
|
||
var clipped = source.subarray(
|
||
0,
|
||
Math.min(source.length, this.length - (startInChannel | 0))
|
||
);
|
||
this.getChannelData(channelNumber | 0).set(clipped, startInChannel | 0);
|
||
};
|
||
copyToChannel.apply(buffer, [GameGlobal.unityNamespace.Module.HEAPF32.subarray(offs, offs + length), i, 0]);
|
||
}
|
||
WEBAudio.audioInstances[++WEBAudio.audioInstanceIdCounter] = sound;
|
||
return WEBAudio.audioInstanceIdCounter;
|
||
},
|
||
_JS_Sound_Play(bufferInstance, channelInstance, offset, delay) {
|
||
WXWASMSDK._JS_Sound_Stop(channelInstance, 0);
|
||
if (WEBAudio.audioWebEnabled == 0) return;
|
||
var sound = WEBAudio.audioInstances[bufferInstance];
|
||
var channel = WEBAudio.audioInstances[channelInstance];
|
||
if (sound.url) {
|
||
try {
|
||
channel.playUrl(
|
||
WEBAudio.audioContext.currentTime + delay,
|
||
sound.url,
|
||
offset
|
||
);
|
||
} catch (e) {
|
||
err("playUrl error. Exception: " + e);
|
||
}
|
||
} else if (sound.buffer) {
|
||
try {
|
||
channel.playBuffer(
|
||
WEBAudio.audioContext.currentTime + delay,
|
||
sound.buffer,
|
||
offset
|
||
);
|
||
} catch (e) {
|
||
err("playBuffer error. Exception: " + e);
|
||
}
|
||
} else console.log("Trying to play sound which is not loaded.");
|
||
},
|
||
_JS_Sound_ReleaseInstance(instance) {
|
||
delete WEBAudio.audioInstances[instance];
|
||
},
|
||
_JS_Sound_ResumeIfNeeded() {
|
||
if (WEBAudio.audioWebEnabled == 0) return;
|
||
if (WEBAudio.audioContext.state === "suspended")
|
||
WEBAudio.audioContext.resume();
|
||
},
|
||
_JS_Sound_Set3D(channelInstance, threeD) {
|
||
var channel = WEBAudio.audioInstances[channelInstance];
|
||
if (channel.threeD != threeD) {
|
||
channel.threeD = threeD;
|
||
if (!channel.source) {
|
||
channel.setup();
|
||
}
|
||
channel.setupPanning();
|
||
}
|
||
},
|
||
_JS_Sound_SetListenerOrientation(x, y, z, xUp, yUp, zUp) {
|
||
if (WEBAudio.audioWebEnabled == 0) return;
|
||
x = x > 0 ? 0 : x;
|
||
y = y > 0 ? 0 : y;
|
||
z = z > 0 ? 0 : z;
|
||
xUp = xUp < 0 ? 0 : xUp;
|
||
yUp = yUp < 0 ? 0 : yUp;
|
||
zUp = zUp < 0 ? 0 : zUp;
|
||
if (x==WEBAudio.lOrientation.x && y==WEBAudio.lOrientation.y && z==WEBAudio.lOrientation.z && xUp==WEBAudio.lOrientation.xUp && yUp==WEBAudio.lOrientation.yUp && zUp==WEBAudio.lOrientation.zUp){return;}
|
||
WEBAudio.lOrientation.x = x;
|
||
WEBAudio.lOrientation.y = y;
|
||
WEBAudio.lOrientation.z = z;
|
||
WEBAudio.lOrientation.xUp = xUp;
|
||
WEBAudio.lOrientation.yUp = yUp;
|
||
WEBAudio.lOrientation.zUp = zUp;
|
||
if (WEBAudio.audioContext.listener.forwardX) {
|
||
WEBAudio.audioContext.listener.forwardX.setValueAtTime(
|
||
-x,
|
||
WEBAudio.audioContext.currentTime
|
||
);
|
||
WEBAudio.audioContext.listener.forwardY.setValueAtTime(
|
||
-y,
|
||
WEBAudio.audioContext.currentTime
|
||
);
|
||
WEBAudio.audioContext.listener.forwardZ.setValueAtTime(
|
||
-z,
|
||
WEBAudio.audioContext.currentTime
|
||
);
|
||
WEBAudio.audioContext.listener.upX.setValueAtTime(
|
||
xUp,
|
||
WEBAudio.audioContext.currentTime
|
||
);
|
||
WEBAudio.audioContext.listener.upY.setValueAtTime(
|
||
yUp,
|
||
WEBAudio.audioContext.currentTime
|
||
);
|
||
WEBAudio.audioContext.listener.upZ.setValueAtTime(
|
||
zUp,
|
||
WEBAudio.audioContext.currentTime
|
||
);
|
||
} else {
|
||
WEBAudio.audioContext.listener.setOrientation(-x, -y, -z, xUp, yUp, zUp);
|
||
}
|
||
},
|
||
_JS_Sound_SetListenerPosition(x, y, z) {
|
||
if (WEBAudio.audioWebEnabled == 0) return;
|
||
x = x < 0 ? 0 : x;
|
||
y = y < 0 ? 0 : y;
|
||
z = z < 0 ? 0 : z;
|
||
if (x==WEBAudio.lPosition.x && y==WEBAudio.lPosition.y && z==WEBAudio.lPosition.z){return;}
|
||
WEBAudio.lPosition.x = x;
|
||
WEBAudio.lPosition.y = y;
|
||
WEBAudio.lPosition.z = z;
|
||
if (WEBAudio.audioContext.listener.positionX) {
|
||
WEBAudio.audioContext.listener.positionX.setValueAtTime(
|
||
x,
|
||
WEBAudio.audioContext.currentTime
|
||
);
|
||
WEBAudio.audioContext.listener.positionY.setValueAtTime(
|
||
y,
|
||
WEBAudio.audioContext.currentTime
|
||
);
|
||
WEBAudio.audioContext.listener.positionZ.setValueAtTime(
|
||
z,
|
||
WEBAudio.audioContext.currentTime
|
||
);
|
||
} else {
|
||
WEBAudio.audioContext.listener.setPosition(x, y, z);
|
||
}
|
||
},
|
||
_JS_Sound_SetLoop(channelInstance, loop) {
|
||
if (WEBAudio.audioWebEnabled == 0) return;
|
||
var channel = WEBAudio.audioInstances[channelInstance];
|
||
if (!channel.source) {
|
||
channel.setup();
|
||
}
|
||
channel.source.loop = loop > 0 ? true : false;
|
||
},
|
||
_JS_Sound_SetLoopPoints(channelInstance, loopStart, loopEnd) {
|
||
if (WEBAudio.audioWebEnabled == 0) return;
|
||
var channel = WEBAudio.audioInstances[channelInstance];
|
||
if (!channel.source) {
|
||
channel.setup();
|
||
}
|
||
channel.source.loopStart = loopStart;
|
||
channel.source.loopEnd = loopEnd;
|
||
},
|
||
_JS_Sound_SetPaused(channelInstance, paused) {
|
||
if (WEBAudio.audioWebEnabled == 0) return;
|
||
var channel = WEBAudio.audioInstances[channelInstance];
|
||
var channelCurrentlyPaused = !channel.source || channel.source.isPausedMockNode;
|
||
if (paused != channelCurrentlyPaused) {
|
||
if (paused) channel.pause();
|
||
else channel.resume();
|
||
}
|
||
},
|
||
_JS_Sound_SetPitch(channelInstance, v) {
|
||
if (WEBAudio.audioWebEnabled == 0) return;
|
||
try {
|
||
WEBAudio.audioInstances[channelInstance].source.setPitch(v);
|
||
} catch (e) {
|
||
err("Invalid audio pitch " + v + " specified to WebAudio backend!");
|
||
}
|
||
},
|
||
_JS_Sound_SetPosition(channelInstance, x, y, z) {
|
||
if (WEBAudio.audioWebEnabled == 0) return;
|
||
var channel = WEBAudio.audioInstances[channelInstance];
|
||
if (channel.x != x || channel.y != y || channel.z != z) {
|
||
channel.panner.setPosition(x, y, z);
|
||
channel.x = x;
|
||
channel.y = y;
|
||
channel.z = z;
|
||
}
|
||
},
|
||
|
||
_JS_Sound_SetVolume(channelInstance, v) {
|
||
|
||
if (WEBAudio.audioWebEnabled == 0) return;
|
||
try {
|
||
let volume = Number(v.toFixed(2));
|
||
if (soundVolumeHandler[channelInstance] === volume) {return;}
|
||
soundVolumeHandler[channelInstance] = volume;
|
||
WEBAudio.audioInstances[channelInstance].gain.gain.setValueAtTime(
|
||
volume,
|
||
WEBAudio.audioContext.currentTime
|
||
);
|
||
} catch (e) {
|
||
err("Invalid audio volume " + v + " specified to WebAudio backend!");
|
||
}
|
||
},
|
||
_JS_Sound_Stop(channelInstance, delay) {
|
||
if (WEBAudio.audioWebEnabled == 0) return;
|
||
var channel = WEBAudio.audioInstances[channelInstance];
|
||
channel.stop(delay);
|
||
}
|
||
|
||
|
||
}
|
||
|
||
//声音被打断后自动帮用户恢复
|
||
const HandleInterruption = {
|
||
init() {
|
||
var InterruptList = {};
|
||
wx.onHide(function () {
|
||
for (var key in audios) {
|
||
if (!audios[key].paused) {
|
||
InterruptList[key] = true;
|
||
}
|
||
}
|
||
});
|
||
wx.onShow(function () {
|
||
for (var key in audios) {
|
||
if (audios[key].paused && InterruptList[key]) {
|
||
audios[key].play();
|
||
}
|
||
}
|
||
InterruptList = {};
|
||
});
|
||
wx.onAudioInterruptionBegin(function () {
|
||
for (var key in audios) {
|
||
if (!audios[key].paused) {
|
||
InterruptList[key] = true;
|
||
}
|
||
}
|
||
});
|
||
wx.onAudioInterruptionEnd(function () {
|
||
for (var key in audios) {
|
||
if (audios[key].paused && InterruptList[key]) {
|
||
audios[key].play();
|
||
}
|
||
}
|
||
InterruptList = {};
|
||
});
|
||
}
|
||
};
|
||
|
||
HandleInterruption.init();
|