internal Object Load(string path, Type type)
{
Object obj = null;
if (CachedObjects.TryGetValue(path, out obj)) // 尝试在缓存中查找
{
return(obj);
}
else // 尝试从外部文件中加载asset bundle
{
var fileName = path.Replace("/", DIR_SPLIT); //替换目录分隔符
if (DownloadedFiles.ContainsKey(fileName))
{
FileInfo file = DownloadedFiles[fileName];
var bytes = File.ReadAllBytes(file.FullName);
var ab = AssetBundle.LoadFromMemory(bytes);
string objectName = Path.GetFileName(path);
obj = ab.LoadAsset(objectName, type);
ab.Unload(false); //一旦加载完毕，立即释放assetbundle，但不释放bundle中的物体,物体会在场景切换时释放
if (obj == null)
{
UpdaterLog.LogError(string.Format("the resource {0} load from ab is null", path));
return(null);
}
CachedObjects.Add(path, obj);
}
else
{
obj = Resources.Load(path, type);
}
}
return(obj);
}
IEnumerator AsyncCreateABReqObj(string path, Type type, byte[] bytes)
{
var abCreateReq = AssetBundle.LoadFromMemoryAsync(bytes); //异步创建ab
yield return(abCreateReq);
string objectName = Path.GetFileName(path);
var abReq = abCreateReq.assetBundle.LoadAssetAsync(objectName, type); //异步读取物体
yield return(abReq);
Object obj = abReq.asset;
abCreateReq.assetBundle.Unload(false); //一旦加载完毕，立即释放assetbundle，但不释放bundle中的物体,物体会在场景切换时释放
if (obj == null)
{
UpdaterLog.LogError(string.Format("the resource {0} load async from ab is null", path));
}
else
{
UpdaterLog.Log(string.Format("load async the resource {0} from ab", path));
if (!CachedObjects.ContainsKey(path))
{
CachedObjects.Add(path, obj);
}
}
Queue <Action <Object> > onDoneQueue = AsyncLoadingQueue[path];
if (onDoneQueue == null)
{
UpdaterLog.LogException(new Exception("internal error , the AsyncLoadingQueue have no queue named :" + path));
yield break;
}
while (onDoneQueue.Count > 0)
{
onDoneQueue.Dequeue()(obj);
}
this.AsyncLoadingQueue.Remove(path);
}
public Dictionary <string, Patch> VerifyPatches()
{
var ret = new Dictionary <string, Patch>();
//验证本地补丁
foreach (var patchKV in Patches)
{
var name = patchKV.Key;
var patch = patchKV.Value;
FileInfo file = UResources.ReqFile(name);
if (patch.NeedDelete) //如果这个补丁是删除补丁，验证他是否真的被删除
{
if (file != null)
{
UpdaterLog.LogError(string.Format("{0} 这个文件理应被删除，但验证发现没有被删除，将更新", name));
ret.Add(name, patch);
}
}
else //这是更新补丁，检测是否存在，并验证md5
{
if (file == null)
{
UpdaterLog.LogError(string.Format("{0} 这个文件验证时发现应该存在，但实际不存在，将更新", name));
ret.Add(name, patch);
}
else
{
string fileMd5 = MD5Util.GetMD5ForFile(file.FullName);
string recordMd5 = patch.MD5;
if (!fileMd5.EqualIgnoreCase(recordMd5))
{
UpdaterLog.LogError(string.Format("{0} 这个文件验证的md5和记录的md5不一致{1}//{2}，将更新", name, fileMd5, recordMd5));
ret.Add(name, patch);
}
}
}
}
return(ret);
}
void DownloadPatch(Dictionary <string, Patch> .Enumerator enumerator, int i, int totalToDownload)
{
if (!enumerator.MoveNext())
{
//下载完毕，将新版本号写入patchIndex,并保存
_patchIndexLocal.Version = VersionCode;
_patchIndexLocal.PatchVersion = _patchIndexNew.PatchVersion;
_patchIndexLocal.WriteToFile();
ResManager.Ins.ReadDownloadDir();
if (Listener != null)
{
Listener.OnPatchDownloadFinish();
}
CheckUpdate(); //补丁更新结束后再次检查更新
return;
}
i++;
var patchKV = enumerator.Current;
var name = patchKV.Key;
var patch = patchKV.Value;
if (patch.NeedDelete) //如果这个补丁是删除更新，则删除
{
FileInfo file = UResources.ReqFile(name);
if (file != null)
{
File.Delete(file.FullName);
}
if (Listener != null)
{
Listener.OnPatchDownloadProgress(name, 1, i, totalToDownload);
}
_patchIndexLocal.UpdatePatch(name, patch);
_patchIndexLocal.WriteToFile();
DownloadPatch(enumerator, i, totalToDownload);
return;
}
//下载更新
string url = String.Format(_patchIndexNew.PatchBaseURL, name, patch.Version);
HttpManager.Get(url, (error, www) => {
if (!string.IsNullOrEmpty(error))
{
UpdaterLog.LogError("下载补丁包出错" + name + " " + www.error + " url:" + www.url);
if (Listener != null)
{
Listener.OnPatchDownloadFail(error);
}
return;
}
string filePath = ResManager.FullDownloadDir + name;
File.WriteAllBytes(filePath, www.bytes);
//下载完一个文件后立刻写入PatchIndex，这样中途断开网络后重新下载可以不下载该文件
_patchIndexLocal.UpdatePatch(name, patch);
_patchIndexLocal.WriteToFile();
DownloadPatch(enumerator, i, totalToDownload);
return;
}, progress => {
if (Listener != null)
{
Listener.OnPatchDownloadProgress(name, progress, i, totalToDownload);
}
});
}
