OPPO 快游戏在浏览器复现运行（七）之远程资源离线化

window._CCSettings = {
    remoteBundles: ["resources"],
    bundleVers: {
        internal:"b3cad",
        b0:"10607",
        b1:"f37a4",
        data:"5bf88",
        resources:"011ae",
        main:"c0c83"
    }
};

async function loadCCBundle(names, unload = false) {
    names = Array.isArray(names) ? names : [names];

    const bundles = Object.create(null);
    const visited = Object.create(null);
    const visiting = Object.create(null);
    const order = [];

    function unloadBundle(name) {
        const bundle = cc.assetManager.getBundle(name);

        if (bundle) {
            bundle.releaseAll();
            cc.assetManager.removeBundle(bundle);
        }
    }

    function loadBundle(name) {
        return new Promise(function (resolve, reject) {
            if (unload) {
                unloadBundle(name);
            }

            const exists = cc.assetManager.getBundle(name);

            if (exists) {
                resolve(exists);
                return;
            }

            cc.assetManager.loadBundle(name, function (err, bundle) {
                if (err) {
                    reject(err);
                    return;
                }

                resolve(bundle);
            });
        });
    }

    function loadDir(bundle) {
        return new Promise(function (resolve, reject) {
            window.qg.consolelog('loadDir start: ' + bundle.name);

            bundle.loadDir('', function (err) {
                if (err) {
                    reject(err);
                    return;
                }

                window.qg.consolelog(bundle.name + ' resources loaded');
                resolve(bundle);
            });
        });
    }

    async function visit(name, stack) {
        if (visited[name]) {
            return;
        }

        if (visiting[name]) {
            throw new Error('Circular bundle deps: ' + stack['concat'](name).join(' -> '));
        }

        visiting[name] = true;

        const bundle = await loadBundle(name);
        const deps = bundle.deps || [];

        bundles[name] = bundle;
        window.qg.consolelog('bundle deps: ' + name + ' -> ' + JSON.stringify(deps));

        for (let i = 0; i < deps.length; i++) {
            await visit(deps[i], stack['concat'](name));
        }

        visiting[name] = false;
        visited[name] = true;
        order.push(name);
    }

    try {
        for (let i = 0; i < names.length; i++) {
            await visit(names[i], []);
        }

        window.qg.consolelog('bundle load order: ' + order.join(' -> '));

        for (let i = 0; i < order.length; i++) {
            const name = order[i];
            const bundle = bundles[name] || await loadBundle(name);

            await loadDir(bundle);
        }

        window.qg.consolelog('all bundle resources loaded');
    } catch (err) {
        window.qg.consoleerror(err);
    }
}

// 然后就可以正式下载远程 Bundle 了
loadCCBundle(window._CCSettings.remoteBundles);

window._CCSettings = {
    server: `http://127.0.0.1:9999/${originServer}`,
};

window._CCSettings = {
    server: `/https.xxx.com/xxxxxxxxxx`,
};