游戏热更新插件

2021-02-02 00:11:00 +08:00
parent ba874af797
commit 3106b54566
40 changed files with 34326 additions and 37 deletions
--- a/packages/update-manager/templates/pre_main.js
+++ b/packages/update-manager/templates/pre_main.js
@@ -0,0 +1,90 @@
+window.beforeBoot = function () {
+    cc.log("游戏正在启动中.")
+    if (window.remoteUrl) {
+        const settings = window._CCSettings;
+        settings.server = window.remoteUrl;
+        cc.log("远程资源地址:", settings.server);
+    }
+    let url = window.updateUrl || false;
+    if (!url) {
+        cc.log("未配置版本更新地址,跳过更新.")
+        window.boot();
+        return;
+    }
+    url += `?_t=${Math.random()}`;
+    cc.log("请求更新地址:", url);
+
+    get(url, function (err, asset) {
+        cc.log("请求更新信息:", url, err && err.toLocaleString(), JSON.stringify(asset));
+        if (err || !asset) {
+            window.boot();
+            return;
+        }
+        window.mergeVersion(asset);
+        window.boot();
+        cc.log("游戏已启动.");
+    });
+};
+window.mergeVersion = function (updateInfo) {
+    const currentVer = cc.sys.localStorage.getItem("currentVer");
+    let isFirstRun = false;
+    let newVerFlag = false;
+    if (!currentVer) {
+        isFirstRun = true;
+        cc.log("当前为首次运行");
+    } else {
+        const oldVerInfo = JSON.parse(currentVer);
+        if (oldVerInfo && oldVerInfo.versionCode != updateInfo.versionCode) {
+            newVerFlag = true;
+            cc.log("发现新版本信息:", updateInfo.versionCode, oldVerInfo.versionCode);
+        }
+    }
+    const settings = window._CCSettings;
+    if (updateInfo.server) {
+        settings.server = updateInfo.server;
+        cc.log("更新远程资源地址:", updateInfo.server);
+    }
+    const bundleVers = updateInfo.bundles
+    if (bundleVers) {
+        let changed = false;
+        for (let b in bundleVers) {
+            if (bundleVers[b] != settings.bundleVers[b]) {
+                // 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.
+                if (settings.remoteBundles.indexOf(b) < 0) {
+                    settings.remoteBundles.push(b);
+                }
+                changed = true;
+                cc.log("发现更新Bundle:", b);
+            }
+        }
+        settings.bundleVers = bundleVers;
+        // 如果首次运行,但检测版本有差异,则标记有更新.
+        if (isFirstRun && changed) {
+            newVerFlag = true;
+            cc.log("标记为新版本.");
+        }
+    }
+    cc.sys.localStorage.setItem('newVerFlag', newVerFlag ? 1 : 0);
+    cc.sys.localStorage.setItem('firstRunFlag', isFirstRun ? 1 : 0);
+    cc.sys.localStorage.setItem('currentVer', JSON.stringify(updateInfo));
+}
+
+// ajax 请求.
+function get(url, cb) {
+    const ajax = new XMLHttpRequest();
+    ajax.open("get", url, true);
+    ajax.setRequestHeader("Content-Type", "application/json;charset=utf-8");
+    ajax.onreadystatechange = function () {
+        if (ajax.readyState == 4) {
+            if (ajax.status == 200) {
+                var response = JSON.parse(ajax.responseText)
+                cb && cb(null, response);
+                return;
+            } else {
+                cb && cb("request error!");
+            }
+        }
+    }
+    ajax.send(null);
+}
+