382 lines
12 KiB
JavaScript
382 lines
12 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.innerText = text;
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}
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loader.prototype._load = function (callback) {
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this._loadIcons();
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this._loadAnimates();
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this._loadMusic();
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core.loader._loadMaterialImages(function () {
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core.loader._loadExtraImages(function () {
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core.loader._loadAutotiles(function () {
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core.loader._loadTilesets(callback);
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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.splitImage(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.statusBar.image[key] != null)
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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._loadMaterialImages = function (callback) {
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if (main.useCompress) {
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this.loadImagesFromZip('project/images/materials.zip', core.materials, core.material.images, callback);
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} else {
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this.loadImages(core.materials, core.material.images, callback);
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}
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}
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loader.prototype._loadExtraImages = function (callback) {
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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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if (main.useCompress) {
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this.loadImagesFromZip('project/images/images.zip', images, core.material.images.images, callback);
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} else {
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this.loadImages(images, core.material.images.images, callback);
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}
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}
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loader.prototype._loadAutotiles = function (callback) {
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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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var _callback = 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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callback();
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}
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if (main.useCompress) {
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this.loadImagesFromZip('project/images/autotiles.zip', keys, autotiles, _callback);
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} else {
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this.loadImages(keys, autotiles, _callback);
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}
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}
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loader.prototype._loadTilesets = function (callback) {
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core.material.images.tilesets = {};
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core.tilesets = core.tilesets || [];
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var _callback = 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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callback();
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}
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if (main.useCompress) {
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this.loadImagesFromZip('project/images/tilesets.zip', core.tilesets, core.material.images.tilesets, _callback);
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} else {
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this.loadImages(core.tilesets, core.material.images.tilesets, _callback);
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}
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}
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loader.prototype.loadImages = function (names, toSave, callback) {
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if (!names || names.length == 0) {
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if (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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if (toSave[id] !== undefined) {
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if (image != null)
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toSave[id] = image;
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return;
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}
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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 (callback) callback();
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}
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})
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}
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}
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loader.prototype.loadImagesFromZip = function (url, names, toSave, callback) {
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if (!names || names.length == 0) {
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if (callback) callback();
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return;
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}
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core.unzip(url + "?v=" + main.version, function (data) {
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var cnt = 1;
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names.forEach(function (name) {
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var imgName = name;
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if (imgName.indexOf('.') < 0) imgName += '.png';
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if (imgName in data) {
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var img = new Image();
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var url = URL.createObjectURL(data[imgName]);
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cnt++;
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img.onload = function () {
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cnt--;
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URL.revokeObjectURL(url);
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if (cnt == 0 && callback) callback();
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}
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img.src = url;
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toSave[name] = img;
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}
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});
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cnt--;
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if (cnt == 0 && callback) callback();
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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.onerror = function () {
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callback(imgName, null);
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}
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image.src = 'project/images/' + name + "?v=" + main.version;
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if (name.endsWith('.gif'))
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callback(imgName, null);
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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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if (main.useCompress) {
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core.unzip('project/animates/animates.zip?v=' + main.version, function (animates) {
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for (var name in animates) {
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if (name.endsWith(".animate")) {
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var t = name.substring(0, name.length - 8);
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if (core.animates.indexOf(t) >= 0)
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core.loader._loadAnimate(t, animates[name]);
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}
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}
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}, null, true);
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} else {
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core.animates.forEach(function (t) {
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core.http('GET', 'project/animates/' + t + ".animate?v=" + main.version, null, function (content) {
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core.loader._loadAnimate(t, content);
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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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}
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loader.prototype._loadAnimate = function (name, 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 (!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[name] = 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[name] = null;
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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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if (main.useCompress && core.musicStatus.audioContext) {
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core.unzip('project/sounds/sounds.zip?v=' + main.version, function (data) {
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for (var name in data) {
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if (core.sounds.indexOf(name) >= 0) {
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core.loader._loadOneSound_decodeData(name, data[name]);
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}
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}
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});
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} else {
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core.sounds.forEach(function (t) {
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core.loader.loadOneSound(t);
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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.loadOneSound = function (name) {
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if (core.musicStatus.audioContext != null) {
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core.http('GET', 'project/sounds/' + name + "?v=" + main.version, null, function (data) {
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core.loader._loadOneSound_decodeData(name, data);
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}, function (e) {
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main.log(e);
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core.material.sounds[name] = 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/' + name;
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core.material.sounds[name] = music;
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}
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}
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loader.prototype._loadOneSound_decodeData = function (name, data) {
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if (data instanceof Blob) {
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var blobReader = new zip.BlobReader(data);
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blobReader.init(function () {
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blobReader.readUint8Array(0, blobReader.size, function (uint8) {
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core.loader._loadOneSound_decodeData(name, uint8.buffer);
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})
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});
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return;
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}
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try {
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core.musicStatus.audioContext.decodeAudioData(data, function (buffer) {
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core.material.sounds[name] = buffer;
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}, function (e) {
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main.log(e);
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core.material.sounds[name] = null;
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})
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}
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catch (e) {
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main.log(e);
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core.material.sounds[name] = null;
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}
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}
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loader.prototype.loadBgm = function (name) {
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name = core.getMappedName(name);
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if (!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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this._preloadBgm(core.material.bgms[name]);
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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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}
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loader.prototype._preloadBgm = function (bgm) {
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bgm.volume = 0;
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bgm.play();
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}
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loader.prototype.freeBgm = function (name) {
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name = core.getMappedName(name);
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if (!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) {
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return t != name;
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});
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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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} |