Ejemplo n.º 1
0
        /// <summary>
        /// 异步初始化
        /// </summary>
        public IEnumerator InitializeAsync()
        {
            MotionLog.Log($"Beginning to initialize patch manager.");

            // 加载缓存
            _cache = PatchCache.LoadCache();

            // 检测沙盒被污染
            // 注意:在覆盖安装的时候,会保留沙盒目录里的文件,所以需要强制清空
            {
                // 如果是首次打开,记录APP版本号
                if (PatchHelper.CheckSandboxCacheFileExist() == false)
                {
                    _cache.CacheAppVersion = Application.version;
                    _cache.SaveCache();
                }
                else
                {
                    // 每次启动时比对APP版本号是否一致
                    if (_cache.CacheAppVersion != Application.version)
                    {
                        MotionLog.Warning($"Cache is dirty ! Cache version is {_cache.CacheAppVersion}, APP version is {Application.version}");
                        ClearCache();

                        // 重新写入最新的APP版本号
                        _cache.CacheAppVersion = Application.version;
                        _cache.SaveCache();
                    }
                }
            }

            // 加载APP内的补丁清单
            MotionLog.Log($"Load app patch manifest.");
            {
                string        filePath   = AssetPathHelper.MakeStreamingLoadPath(PatchDefine.PatchManifestFileName);
                string        url        = AssetPathHelper.ConvertToWWWPath(filePath);
                WebGetRequest downloader = new WebGetRequest(url);
                downloader.DownLoad();
                yield return(downloader);

                if (downloader.HasError())
                {
                    downloader.ReportError();
                    downloader.Dispose();
                    throw new System.Exception($"Fatal error : Failed download file : {url}");
                }

                // 解析补丁清单
                string jsonData = downloader.GetText();
                _appPatchManifest = PatchManifest.Deserialize(jsonData);
                downloader.Dispose();
            }

            // 加载沙盒内的补丁清单
            MotionLog.Log($"Load sandbox patch manifest.");
            if (PatchHelper.CheckSandboxPatchManifestFileExist())
            {
                string filePath = AssetPathHelper.MakePersistentLoadPath(PatchDefine.PatchManifestFileName);
                string jsonData = File.ReadAllText(filePath);
                _localPatchManifest = PatchManifest.Deserialize(jsonData);
            }
            else
            {
                _localPatchManifest = _appPatchManifest;
            }
        }