/// <summary>
/// 通过一个路径加载ab
/// </summary>
/// <param name="path">路径</param>
/// <param name="prority">优先级</param>
/// <param name="handler">回调</param>
/// <returns></returns>
public AssetBundleLoader Load(string path, int prority, LoadAssetCompleteHandler handler = null)
{
#if _AB_MODE_
AssetBundleLoader loader = this.CreateLoader(HashUtil.Get(path.ToLower()) + ".ab", path);
#else
AssetBundleLoader loader = this.CreateLoader(path);
#endif
loader.prority = prority;
loader.onComplete += handler;
_isCurrentLoading = true;
_nonCompleteLoaderSet.Add(loader);
_thisTimeLoaderSet.Add(loader);
return(loader);
}
public AssetBundleInfo GetBundleInfo(string key)
{
key = key.ToLower();
#if _AB_MODE_
key = HashUtil.Get(key) + ".ab";
#endif
var e = _loadedAssetBundle.GetEnumerator();
while (e.MoveNext())
{
AssetBundleInfo abi = e.Current.Value;
if (abi.bundleName == key)
{
return(abi);
}
}
return(null);
}
IEnumerator UpdateAssetBundle(string assetBundleServerPath, string assetBundleLocalPath)
{
string localAssetBundleManifestPath = $"{assetBundleLocalPath}/{AssetBundlePathResolver.Instance.BundleSaveDirName}";
string serverAssetBundleManifestPath = $"{assetBundleServerPath}/{AssetBundlePathResolver.Instance.BundleSaveDirName}";
string localDependFilePath = $"{assetBundleLocalPath}/{AssetBundlePathResolver.Instance.DependFileName}";
string serverDependFilePath = $"{assetBundleServerPath}/{AssetBundlePathResolver.Instance.DependFileName}";
AssetBundleManifest localAssetBundleManifest = null;
AssetBundleManifest serverAssetBundleManifest = null;
if (FileUtility.CheckFileIsExist(localAssetBundleManifestPath) == false)
{
yield return(MainThreadDispatcher.StartCoroutine(DownLoadAssetBundle(serverAssetBundleManifestPath, localAssetBundleManifestPath)));
if (m_HasError)
{
deleteFolder = true;
yield break;
}
yield return(MainThreadDispatcher.StartCoroutine(DownLoadAssetBundle(serverDependFilePath, localDependFilePath)));
if (m_HasError)
{
deleteFolder = true;
yield break;
}
localAssetBundleManifest = LoadLocalAssetBundleManifest(localAssetBundleManifestPath);
m_NeedDownloadAssetBundleNamesList = localAssetBundleManifest.GetAllAssetBundles().ToList();
int currentCount = 0;
for (int i = 0; i < m_NeedDownloadAssetBundleNamesList.Count; i++)
{
string assetBundleName = m_NeedDownloadAssetBundleNamesList[i];
string serverAssetBundlesPath = string.Format("{0}/{1}", assetBundleServerPath, assetBundleName);
string localAssetBundlesPath = string.Format("{0}/{1}", assetBundleLocalPath, assetBundleName);
yield return(MainThreadDispatcher.StartCoroutine(DownLoadAssetBundle(serverAssetBundlesPath, localAssetBundlesPath)));
if (m_HasError)
{
deleteFolder = true;
yield break;
}
currentCount++;
AssetBundleUpdateProcessEvent?.Invoke((float)currentCount / m_NeedDownloadAssetBundleNamesList.Count);
}
}
else
{
byte[] localAssetBundleManifestBytes = FileUtility.FileConvertToBytes(localAssetBundleManifestPath);
//load AssetBundleManifest to memory from server
WWW serverWWW = new WWW(serverAssetBundleManifestPath);
yield return(serverWWW);
if (serverWWW.error != null)
{
m_HasError = true;
yield break;
}
byte[] serverAssetBundleManifestBytes = serverWWW.bytes;
serverWWW.Dispose();
if (HashUtil.Get(localAssetBundleManifestBytes) == HashUtil.Get(serverAssetBundleManifestBytes))
{
AssetBundleUpdateProcessEvent?.Invoke(1);
yield break;
}
yield return(MainThreadDispatcher.StartCoroutine(DownLoadAssetBundle(serverDependFilePath, localDependFilePath)));
if (m_HasError)
{
deleteFolder = true;
yield break;
}
serverAssetBundleManifest = LoadAssetBundleManifest(serverAssetBundleManifestBytes);
localAssetBundleManifest = LoadLocalAssetBundleManifest(localAssetBundleManifestPath);
string[] localAssetBundleNames = localAssetBundleManifest.GetAllAssetBundles();
string[] serverAssetBundleNames = serverAssetBundleManifest.GetAllAssetBundles();
///Check each AssetBundles from server
for (int i = 0; i < serverAssetBundleNames.Length; i++)
{
string assetBundleName = serverAssetBundleNames[i];
if (localAssetBundleNames.Contains(assetBundleName))
{
Hash128 localAssetBundleHash = localAssetBundleManifest.GetAssetBundleHash(assetBundleName);
Hash128 serverAssetBundleHash = serverAssetBundleManifest.GetAssetBundleHash(assetBundleName);
//if the hash value is different,delete the AssetBundle file in local machine,then download the AssetBundle from server
if (localAssetBundleHash != serverAssetBundleHash)
{
m_NeedDownloadAssetBundleNamesList.Add(assetBundleName);
}
}
else
{
m_NeedDownloadAssetBundleNamesList.Add(assetBundleName);
}
}
//delete redundant AssetBundles in local machine
for (int i = 0; i < localAssetBundleNames.Length; i++)
{
string assetBundleName = localAssetBundleNames[i];
if (!serverAssetBundleNames.Contains(assetBundleName))
{
string deleteAssetBundlePath = string.Format("{0}/{1}", assetBundleLocalPath, assetBundleName);
//delete redundant AssetBundles
FileUtility.DeleteFile(deleteAssetBundlePath);
FileUtility.IfDeletedFileCurrentDirectoryIsEmptyDeleteRecursively(deleteAssetBundlePath);
}
}
int currentCount = 0;
for (int i = 0; i < m_NeedDownloadAssetBundleNamesList.Count; i++)
{
string assetBundleName = m_NeedDownloadAssetBundleNamesList[i];
string serverAssetBundlesPath = string.Format("{0}/{1}", assetBundleServerPath, assetBundleName);
string localAssetBundlesPath = string.Format("{0}/{1}", assetBundleLocalPath, assetBundleName);
yield return(MainThreadDispatcher.StartCoroutine(DownLoadAssetBundle(serverAssetBundlesPath, localAssetBundlesPath)));
if (m_HasError)
{
deleteFolder = true;
yield break;
}
currentCount++;
AssetBundleUpdateProcessEvent?.Invoke((float)currentCount / m_NeedDownloadAssetBundleNamesList.Count);
}
FileUtility.BytesConvertToFile(serverAssetBundleManifestBytes, localAssetBundleManifestPath);
}
AssetBundleUpdateProcessEvent?.Invoke(1);
serverAssetBundleManifest = null;
localAssetBundleManifest = null;
Resources.UnloadUnusedAssets();
}