void OnInitializeDownload(string path, List <string> assetbundles, ResourcesManifest manifest)
{
this.path = path;
unCompleteDownloads = assetbundles;
m_Manifest = manifest;
isDone = false;
errorCode = ErrorCode.None;
completeDownloads.Clear();
failedDownloads.Clear();
if (unCompleteDownloads == null)
{
unCompleteDownloads = new List <string>();
}
totalSize = 0;
completedSize = 0;
foreach (var item in unCompleteDownloads)
{
var ab = manifest.Find(item);
if (ab == null)
{
continue;
}
totalSize += ab.size;
}
}
/// <summary>
/// 加载ResourcesManifest文件
/// </summary>
public static ResourcesManifest LoadResourceManifestByPath(string path)
{
var result = new ResourcesManifest();
result.Load(path);
return(result);
}
void ExportResourcesManifestFile(AssetBundleManifest manifest)
{
if (manifest == null)
{
return;
}
var info = new ResourcesManifest();
//读取所有AB
//读取主manifest信息
var rootDir = PathResolver.BUILD_PATH;
var manifestName = PathResolver.MAIN_MANIFEST_FILE_NAME;
var desc = new ResourcesManifestData.AssetBundleData();
desc.assetBundleName = PathResolver.MAIN_MANIFEST_FILE_NAME;
desc.size = FileHelper.GetFileSize(rootDir + manifestName);
info.data.assetbundles.Add(manifestName, desc);
//读取其他AB信息
foreach (var name in manifest.GetAllAssetBundles())
{
desc = new ResourcesManifestData.AssetBundleData();
desc.assetBundleName = name;
desc.size = FileHelper.GetFileSize(rootDir + name);
desc.isNative = true;
var ab = AssetBundle.LoadFromFile(rootDir + name);
foreach (var asset in ab.GetAllAssetNames())
{
desc.assets.Add(asset);
}
ab.Unload(false);
info.data.assetbundles.Add(name, desc);
}
//读取旧的ResourcesManifest信息，同步一下其他信息
var oldManiFest = new ResourcesManifest();
oldManiFest.Load(PathResolver.EDITOR_RESOURCE_MANIFEST_FILE_PATH);
if (oldManiFest.data != null && oldManiFest.data.assetbundles.Count > 0)
{
foreach (var assetBundle in oldManiFest.data.assetbundles.Values)
{
if (string.IsNullOrEmpty(assetBundle.assetBundleName))
{
continue;
}
if (info.data.assetbundles.ContainsKey(assetBundle.assetBundleName))
{
info.data.assetbundles[assetBundle.assetBundleName].isNative = assetBundle.isNative;
}
}
}
var buildConfig = AssetDatabase.LoadAssetAtPath <AssetBundleBuildConfig>(AssetBundleBuildPanel.savePath);
info.data.version = buildConfig.version;
//保存ResourcesInfo
info.Save(PathResolver.EDITOR_RESOURCE_MANIFEST_FILE_PATH);
}
public bool Start(string path, List <string> assetbundles, ResourcesManifest manifest)
{
Abort();
if (manifest == null)
{
isDone = true;
errorCode = ErrorCode.ParameterError;
return(false);
}
OnInitializeDownload(path, assetbundles, manifest);
OnUpdateState();
OnDownloadAll();
return(true);
}
void CompareAsset(
ref List <string> downFiles,
ref List <string> deleteFiles,
AssetBundleManifest oldManifest,
AssetBundleManifest newManifest,
ResourcesManifest oldResManifest,
ResourcesManifest newResManifest)
{
if (downFiles != null)
{
downFiles.Clear();
}
if (deleteFiles != null)
{
deleteFiles.Clear();
}
if (oldManifest == null)
{
Error(ErrorCode.LoadMainManifestFailed, "Local Manifest no Find");
return;
}
if (newManifest == null)
{
Error(ErrorCode.LoadNewMainManifestFailed, "Load New MainManifest no Find");
return;
}
if (newResManifest == null)
{
Error(ErrorCode.loadNewResourcesManiFestFailed, "Load New ResourceManifest no Find");
return;
}
//标记位
var old_ver_bit = 1 << 0; //存在旧资源
var new_ver_bit = 1 << 1; //存在新资源
var old_ver_native_bit = 1 << 2; //存在旧的本地资源
var new_ver_native_bit = 1 << 3; //存在新的本地资源
var tempDic = new Dictionary <string, int>();
//标记旧资源
var allAssetBundle = oldManifest.GetAllAssetBundles();
foreach (var name in allAssetBundle)
{
SetDictionaryBit(ref tempDic, name, old_ver_bit);
}
//标记新资源
var allNewAssetBundle = newManifest.GetAllAssetBundles();
foreach (var name in allNewAssetBundle)
{
SetDictionaryBit(ref tempDic, name, new_ver_bit);
}
//标记旧本地资源
if (oldResManifest.data != null && oldResManifest.data.assetbundles != null)
{
var itor = oldResManifest.data.assetbundles.GetEnumerator();
while (itor.MoveNext())
{
if (itor.Current.Value.isNative)
{
var name = itor.Current.Value.assetBundleName;
SetDictionaryBit(ref tempDic, name, old_ver_native_bit);
}
}
}
//标记新的本地资源
if (newResManifest.data != null && newResManifest.data.assetbundles != null)
{
var itor = newResManifest.data.assetbundles.GetEnumerator();
while (itor.MoveNext())
{
if (itor.Current.Value.isNative)
{
var name = itor.Current.Value.assetBundleName;
SetDictionaryBit(ref tempDic, name, new_ver_native_bit);
}
}
}
//优先级：both>add>delete
//both: 第0位和第1位标记的
//delete : 第0位标记
//add:第2位未标记，第3位标记的
int both = old_ver_bit | new_ver_bit;//2个版本都存在的资源
var addFiles = new List <string>();
var bothFiles = new List <string>();
using (var itor = tempDic.GetEnumerator())
{
while (itor.MoveNext())
{
var name = itor.Current.Key;
var mask = itor.Current.Value;
if ((mask & new_ver_native_bit) == new_ver_native_bit &&
(mask & old_ver_native_bit) == 0)
{
addFiles.Add(name);
}
else if ((mask & both) == both)
{
bothFiles.Add(name);
}
else if ((mask & old_ver_bit) == old_ver_bit)
{
deleteFiles.Add(name);
}
}
itor.Dispose();
}
//加载下载缓存数据
var download = new DownloadCache();
download.Load(PathResolver.DOWNLOADCACHE_FILE_PATH);
if (download.IsEmpty())
{
download = null;
}
//记录需要下载的文件
{
//加入新增文件
downFiles.AddRange(addFiles);
//判断同时存在文件的哈希
foreach (var name in bothFiles)
{
var fullName = PathResolver.GetFileFullName(name);
if (File.Exists(fullName))
{
//判断哈希是否相同
var oldHash = oldManifest.GetAssetBundleHash(name).ToString();
var newHash = newManifest.GetAssetBundleHash(name).ToString();
if (oldHash.CompareTo(newHash) == 0)
{
continue;
}
downFiles.Add(name);
}
}
//过滤已下载的文件
if (null != download)
{
var itor = download.data.assetBundles.GetEnumerator();
while (itor.MoveNext())
{
var elem = itor.Current.Value;
var name = elem.assetbundleName;
var fullName = PathResolver.GetFileFullName(name);
if (File.Exists(fullName))
{
var cacheHash = elem.hash;
var newHash = newManifest.GetAssetBundleHash(name).ToString();
if (!string.IsNullOrEmpty(cacheHash) && cacheHash.CompareTo(newHash) == 0)
{
downFiles.Remove(name);
}
}
}
}
}
}