307 lines
10 KiB
JavaScript
307 lines
10 KiB
JavaScript
/*
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loader.js：负责对资源的加载
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*/
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"use strict";
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function loader() {
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this._init();
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}
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loader.prototype._init = function () {
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}
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////// 设置加载进度条进度 //////
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loader.prototype.setStartProgressVal = function (val) {
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core.dom.startTopProgress.style.width = val + '%';
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}
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////// 设置加载进度条提示文字 //////
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loader.prototype.setStartLoadTipText = function (text) {
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core.dom.startTopLoadTips.innerHTML = text;
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}
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loader.prototype._load = function (callback) {
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// 加载icons
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core.loader.loadIcons();
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// 加载图片
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core.loader.loadImages(core.materials, core.material.images, function () {
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// 加载png图片
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core.material.images.images = {};
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var images = core.clone(core.images);
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if (images.indexOf("hero.png")<0)
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images.push("hero.png");
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core.loader.loadImages(images, core.material.images.images, function () {
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// 加载autotile
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core.material.images.autotile = {};
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var keys = Object.keys(core.material.icons.autotile);
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var autotiles = {};
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core.loader.loadImages(keys, autotiles, function () {
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keys.forEach(function (v) {
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core.material.images.autotile[v] = autotiles[v];
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});
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setTimeout(function () {
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core.maps.makeAutotileEdges();
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});
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// 加载tilesets
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core.material.images.tilesets = {};
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if (!core.isset(core.tilesets)) core.tilesets = [];
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core.loader.loadImages(core.clone(core.tilesets), core.material.images.tilesets, function () {
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// 检查宽高是32倍数，如果出错在控制台报错
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for (var imgName in core.material.images.tilesets) {
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var img = core.material.images.tilesets[imgName];
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if (img.width%32!=0 || img.height%32!=0) {
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console.warn("警告！"+imgName+"的宽或高不是32的倍数！");
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}
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if (img.width * img.height > 32*32*3000) {
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console.warn("警告！"+imgName+"上的图块素材个数大于3000！");
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}
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}
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core.loader.loadAnimates();
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core.loader.loadMusic();
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if (core.isset(callback))
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callback();
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})
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})
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})
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})
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}
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loader.prototype.loadIcons = function () {
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this.loadImage("icons.png", function (id, image) {
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var images = core.cropImage(image);
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for (var key in core.statusBar.icons) {
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if (typeof core.statusBar.icons[key] == 'number') {
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core.statusBar.icons[key] = images[core.statusBar.icons[key]];
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if (core.isset(core.statusBar.image[key]))
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core.statusBar.image[key].src = core.statusBar.icons[key].src;
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}
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}
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});
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}
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loader.prototype.loadImages = function (names, toSave, callback) {
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if (!core.isset(names) || names.length==0) {
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if (core.isset(callback)) callback();
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return;
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}
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var items = 0;
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for (var i=0;i<names.length;i++) {
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this.loadImage(names[i], function (id, image) {
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core.loader.setStartLoadTipText('正在加载图片 ' + id + "...");
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toSave[id] = image;
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items++;
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core.loader.setStartProgressVal(items * (100 / names.length));
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if (items == names.length) {
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if (core.isset(callback)) callback();
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}
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})
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}
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}
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loader.prototype.loadImage = function (imgName, callback) {
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try {
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var name=imgName;
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if (name.indexOf(".")<0)
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name=name+".png";
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var image = new Image();
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image.onload = function () {
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callback(imgName, image);
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}
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image.src = 'project/images/' + name + "?v=" + main.version;
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}
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catch (e) {
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main.log(e);
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}
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}
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loader.prototype.loadAnimates = function () {
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core.animates.forEach(function (t) {
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core.http('GET', 'project/animates/' + t + ".animate", null, function (content) {
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try {
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content = JSON.parse(content);
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var data = {};
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data.ratio = content.ratio;
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data.se = content.se;
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data.images = [];
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data.images_rev = [];
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content.bitmaps.forEach(function (t2) {
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if (!core.isset(t2) || t2 == "") {
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data.images.push(null);
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}
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else {
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try {
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var image = new Image();
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image.src = t2;
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data.images.push(image);
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} catch (e) {
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main.log(e);
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data.images.push(null);
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}
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}
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})
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data.frame = content.frame_max;
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data.frames = [];
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content.frames.forEach(function (t2) {
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var info = [];
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t2.forEach(function (t3) {
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info.push({
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'index': t3[0],
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'x': t3[1],
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'y': t3[2],
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'zoom': t3[3],
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'opacity': t3[4],
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'mirror': t3[5] || 0,
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'angle': t3[6] || 0,
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})
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})
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data.frames.push(info);
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})
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core.material.animates[t] = data;
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}
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catch (e) {
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main.log(e);
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core.material.animates[t] = null;
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}
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}, function (e) {
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main.log(e);
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core.material.animates[t] = null;
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}, "text/plain; charset=x-user-defined")
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})
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}
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////// 加载音频 //////
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loader.prototype.loadMusic = function () {
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core.bgms.forEach(function (t) {
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core.loader.loadOneMusic(t);
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/*
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// 判断是不是mid
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if (/^.*\.mid$/i.test(t)) {
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if (core.musicStatus.audioContext!=null) {
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core.material.bgms[t] = 'loading';
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core.http('GET', 'project/sounds/'+t, null, function (data) {
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try {
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var ff = [];
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var mx = data.length;
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for (var z = 0; z < mx; z++)
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ff[z] = String.fromCharCode(data.charCodeAt(z) & 255);
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var shouldStart = core.material.bgms[t] == 'starting';
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core.material.bgms[t] = AudioPlayer(core.musicStatus.audioContext, Replayer(MidiFile(ff.join("")), Synth(44100)), true);
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if (shouldStart)
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core.playBgm(t);
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}
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catch (e) {
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main.log(e);
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core.material.bgms[t] = null;
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}
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}, function (e) {
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main.log(e);
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core.material.bgms[t] = null;
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}, "text/plain; charset=x-user-defined")
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}
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else {
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core.material.bgms[t] = null;
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}
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}
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else {
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core.loader.loadOneMusic(t);
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}
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*/
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});
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core.sounds.forEach(function (t) {
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if (core.musicStatus.audioContext != null) {
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core.http('GET', 'project/sounds/'+t, null, function (data) {
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try {
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core.musicStatus.audioContext.decodeAudioData(data, function (buffer) {
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core.material.sounds[t] = buffer;
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}, function (e) {
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main.log(e);
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core.material.sounds[t] = null;
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})
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}
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catch (ee) {
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main.log(ee);
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core.material.sounds[t] = null;
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}
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}, function (e) {
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main.log(e);
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core.material.sounds[t] = null;
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}, null, 'arraybuffer');
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}
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else {
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var music = new Audio();
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music.src = 'project/sounds/'+t;
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core.material.sounds[t] = music;
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}
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});
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// 直接开始播放
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core.playBgm(main.startBgm);
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}
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loader.prototype.loadOneMusic = function (name) {
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var music = new Audio();
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music.preload = 'none';
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if (main.bgmRemote) music.src = main.bgmRemoteRoot+core.firstData.name+'/'+name;
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else music.src = 'project/sounds/'+name;
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music.loop = 'loop';
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core.material.bgms[name] = music;
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}
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loader.prototype.freeBgm = function (name) {
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if (!core.isset(core.material.bgms[name])) return;
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// 从cachedBgms中删除
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core.musicStatus.cachedBgms = core.musicStatus.cachedBgms.filter(function (t) {return t!=name; });
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// 清掉缓存
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core.material.bgms[name].removeAttribute("src");
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core.material.bgms[name].load();
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core.material.bgms[name] = null;
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if (name == core.musicStatus.playingBgm) {
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core.musicStatus.playingBgm = null;
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}
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// 三秒后重新加载
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setTimeout(function () {
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core.loader.loadOneMusic(name);
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}, 3000);
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}
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loader.prototype.loadBgm = function (name) {
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if (!core.isset(core.material.bgms[name])) return;
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// 如果没开启音乐，则不预加载
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if (!core.musicStatus.bgmStatus) return;
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// 是否已经预加载过
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var index = core.musicStatus.cachedBgms.indexOf(name);
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if (index>=0) {
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core.musicStatus.cachedBgms.splice(index, 1);
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}
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else {
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// 预加载BGM
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core.material.bgms[name].load();
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// 清理尾巴
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if (core.musicStatus.cachedBgms.length == core.musicStatus.cachedBgmCount) {
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this.freeBgm(core.musicStatus.cachedBgms.pop());
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}
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}
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// 移动到缓存最前方
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core.musicStatus.cachedBgms.unshift(name);
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} |