/// <summary>
/// 下载包资源
/// </summary>
IEnumerator StartDownloadPack()
{
if (ErrorCode != emErrorCode.None)
{
yield break;
}
UpdateCompleteValue(0f, 0f);
if (packages_name_ == null)
{
Error(emErrorCode.InvalidPackageName);
yield break;
}
//收集所有需要下载的AssetBundle
List <string> ab_list = new List <string>();
for (int i = 0; i < packages_name_.Count; ++i)
{
string pack_name = packages_name_[i];
List <string> list = AssetBundleManager.Instance.FindAllAssetBundleFilesNameByPackage(pack_name);
ab_list.AddRange(list);
}
if (ab_list == null)
{
Error(emErrorCode.NotFindAssetBundle);
yield break;
}
//过滤已下载的资源
ab_list.RemoveAll((assetbundle_name) =>
{
return(File.Exists(Common.GetFileFullName(assetbundle_name)));
});
if (ab_list.Count == 0)
{
yield break;
}
//载入资源信息描述文件
ResourcesManifest resources_manifest = AssetBundleManager.Instance.ResourcesManifest;
//开始下载
ab_download_ = new AssetBundleDownloader(current_url_);
ab_download_.Start(Common.PATH, ab_list, resources_manifest);
while (!ab_download_.IsDone)
{
UpdateCompleteValue(ab_download_.CompletedSize, ab_download_.TotalSize);
yield return(null);
}
if (ab_download_.IsFailed)
{
Error(emErrorCode.DownloadAssetBundleFailed);
yield break;
}
ab_download_ = null;
yield return(null);
}
/// <summary>
/// 更新AssetBundle
/// </summary>
IEnumerator StartUpdateAssetBundle()
{
if (ErrorCode != emErrorCode.None)
{
yield break;
}
UpdateCompleteValue(0f, 0f);
//载入新的ResourcesManifest
ResourcesManifest old_resource_manifest = AssetBundleManager.Instance.ResourcesManifest;
string file = Common.GetCacheFileFullName(Common.RESOURCES_MANIFEST_FILE_NAME);
ResourcesManifest new_resources_manifest = Common.LoadResourcesManifestByPath(file);
if (new_resources_manifest == null)
{
Error(emErrorCode.LoadNewResourcesManiFestFailed, "Can't load new verion ResourcesManifest!");
yield break;
}
//载入MainManifest
AssetBundleManifest manifest = AssetBundleManager.Instance.MainManifest;
file = Common.GetCacheFileFullName(Common.MAIN_MANIFEST_FILE_NAME);
AssetBundleManifest new_manifest = Common.LoadMainManifestByPath(file);
if (new_manifest == null)
{
Error(emErrorCode.LoadNewMainManifestFailed, "Can't find new version MainManifest!");
yield break;
}
//获取需下载的资源列表与删除的资源的列表
List <string> download_files = new List <string>();
List <string> delete_files = new List <string>();
CompareAssetBundleDifference(ref download_files, ref delete_files, manifest, new_manifest, old_resource_manifest, new_resources_manifest);
//删除已废弃的文件
if (delete_files.Count > 0)
{
for (int i = 0; i < delete_files.Count; ++i)
{
string full_name = Common.GetFileFullName(delete_files[i]);
if (File.Exists(full_name))
{
File.Delete(full_name);
yield return(0);
}
}
}
//更新所有需下载的资源
ab_download_ = new AssetBundleDownloader(current_url_);
ab_download_.Start(Common.PATH, download_files, new_resources_manifest);
while (!ab_download_.IsDone)
{
UpdateCompleteValue(ab_download_.CompletedSize, ab_download_.TotalSize);
yield return(0);
}
if (ab_download_.IsFailed)
{
Error(emErrorCode.DownloadAssetBundleFailed);
yield break;
}
}
/// <summary>
/// 更新AssetBundle
/// </summary>
IEnumerator UpdatingUpdateAssetBundle()
{
if (ErrorCode != emErrorCode.None)
{
yield break;
}
UpdateCompleteValue(0f, 0f);
//载入新的ResourcesManifest
ResourcesManifest old_resource_manifest = AssetBundleManager.Instance.ResManifest;
string file = Common.UPDATER_CACHE_PATH + "/" + Common.RESOURCES_MANIFEST_FILE_NAME;
ResourcesManifest new_resources_manifest = Common.LoadResourcesManifestByPath(file);
if (new_resources_manifest == null)
{
Error(emErrorCode.LoadNewResourcesManiFestFailed
, "Can't load new verion ResourcesManifest!");
yield break;
}
//载入MainManifest
AssetBundleManifest manifest = AssetBundleManager.Instance.MainManifest;
file = Common.UPDATER_CACHE_PATH + "/" + Common.MAIN_MANIFEST_FILE_NAME;
AssetBundleManifest new_manifest = Common.LoadMainManifestByPath(file);
if (new_manifest == null)
{
Error(emErrorCode.LoadNewMainManifestFailed
, "Can't find new version MainManifest!");
yield break;
}
//获取需下载的资源列表与删除的资源的列表
List <string> download_files = new List <string>();
List <string> delete_files = new List <string>();
ComparisonUtils.CompareAndCalcDifferenceFiles(ref download_files, ref delete_files
, manifest, new_manifest
, old_resource_manifest, new_resources_manifest
, ComparisonUtils.emCompareMode.All);
// 进度控制
float totalProgress = delete_files.Count + download_files.Count;
float currentProgress = 0;
//载入下载缓存数据, 过滤缓存中已下载的文件
DownloadCache download_cache = new DownloadCache();
download_cache.Load(Common.DOWNLOADCACHE_FILE_PATH);
if (!download_cache.HasData())
{
download_cache = null;
}
if (download_cache != null)
{
var cache_itr = download_cache.Data.AssetBundles.GetEnumerator();
while (cache_itr.MoveNext())
{
DownloadCacheData.AssetBundle elem = cache_itr.Current.Value;
string name = elem.AssetBundleName;
string full_name = Common.GetFileFullName(name);
if (File.Exists(full_name))
{
string cache_hash = elem.Hash;
string new_hash = new_manifest.GetAssetBundleHash(name).ToString();
if (!string.IsNullOrEmpty(cache_hash) &&
cache_hash.CompareTo(new_hash) == 0)
{
download_files.Remove(name);
++currentProgress;
UpdateCompleteValue(currentProgress, totalProgress);
yield return(null);
}
}
}
}
//删除已废弃的文件
if (delete_files.Count > 0)
{
for (int i = 0; i < delete_files.Count; ++i)
{
string full_name = Common.GetFileFullName(delete_files[i]);
if (File.Exists(full_name))
{
File.Delete(full_name);
++currentProgress;
UpdateCompleteValue(currentProgress, totalProgress);
yield return(null);
}
}
}
//更新所有需下载的资源
ab_download_ = new AssetBundleDownloader(current_url_);
ab_download_.Start(Common.PATH, download_files, new_resources_manifest);
while (!ab_download_.IsDone)
{
UpdateCompleteValue(currentProgress + ab_download_.CompleteDownloadList.Count, totalProgress);
yield return(null);
}
if (ab_download_.IsFailed)
{
Error(ab_download_.ErrorCode);
yield break;
}
}