69 lines
2.1 KiB
JavaScript
69 lines
2.1 KiB
JavaScript
window.beforeBoot = function () {
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cc.log("游戏正在启动中.")
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if (window.remoteUrl) {
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const settings = window._CCSettings;
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settings.server = window.remoteUrl;
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cc.log("远程资源地址:", settings.server);
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}
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let url = window.updateUrl || false;
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if (!url) {
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cc.log("未配置版本更新地址,跳过更新.")
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window.boot();
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return;
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}
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// 请求缓存信息,判断是否需要更新.
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let assetStr = window.localStorage.getItem('version_data');
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if (!assetStr) {
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window.boot();
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} else {
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let asset = JSON.parse(assetStr);
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window.mergeVersion(asset);
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window.boot();
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}
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// 游戏启动后再请求更新,避免影响启动速度.
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url += `?_t=${Math.random()}`;
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cc.log("请求更新地址:", url);
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get(url, function (err, asset) {
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if (err || !asset) {
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return;
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}
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window.localStorage.setItem('version_data', asset);
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});
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};
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window.mergeVersion = function (updateInfo) {
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const settings = window._CCSettings;
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const bundleVers = updateInfo.bundles;
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if (bundleVers) {
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for (let b in bundleVers) {
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if (bundleVers[b] != settings.bundleVers[b]) {
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// 配置中的bundleVer版本不一致,则添加到remote列表中去,以供远程加载.
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if (settings.remoteBundles.indexOf(b) < 0) {
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settings.remoteBundles.push(b);
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}
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}
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}
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settings.bundleVers = bundleVers;
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}
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return;
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}
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// ajax 请求.
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function get(url, cb) {
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const ajax = new XMLHttpRequest();
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ajax.open("get", url, true);
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ajax.setRequestHeader("Content-Type", "application/json;charset=utf-8");
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ajax.onreadystatechange = function () {
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if (ajax.readyState == 4) {
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if (ajax.status == 200) {
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// var response = JSON.parse(ajax.responseText)
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cb && cb(null, ajax.responseText);
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return;
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} else {
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cb && cb("request error!");
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}
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}
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}
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ajax.send(null);
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}
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