/// <summary>
/// write manifest into target path.
/// </summary>
static void WriteManifestFile(string path, IBundleBuildResults bundleResults, BuildTarget target, string remoteURL)
{
var manifest = new AssetbundleBuildManifest();
manifest.BuildTarget = target.ToString();
//we use unity provided dependency result for final check
var deps = bundleResults.BundleInfos.ToDictionary(kv => kv.Key, kv => kv.Value.Dependencies.ToList());
foreach (var result in bundleResults.BundleInfos)
{
var bundleInfo = new AssetbundleBuildManifest.BundleInfo();
bundleInfo.BundleName = result.Key;
bundleInfo.Dependencies = Utility.CollectBundleDependencies(deps, result.Key);
bundleInfo.Hash = result.Value.Hash;
bundleInfo.Size = new FileInfo(result.Value.FileName).Length;
manifest.BundleInfos.Add(bundleInfo);
}
//sort by size
manifest.BundleInfos.Sort((a, b) => b.Size.CompareTo(a.Size));
var manifestString = JsonUtility.ToJson(manifest);
manifest.GlobalHash = Hash128.Compute(manifestString);
manifest.BuildTime = DateTime.UtcNow.Ticks;
manifest.RemoteURL = remoteURL;
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
File.WriteAllText(Utility.CombinePath(path, AssetbundleBuildSettings.ManifestFileName), JsonUtility.ToJson(manifest, true));
}
public LoadedBundle(AssetbundleBuildManifest.BundleInfo info, string loadPath, AssetBundle bundle, bool isLocal)
{
Name = info.BundleName;
IsLocalBundle = isLocal;
LoadPath = loadPath;
Bundle = bundle;
Hash = info.Hash;
Dependencies = info.Dependencies;
Dependencies.Add(Name);
}
public LoadedBundle(AssetbundleBuildManifest.BundleInfo info, string loadPath, AssetBundle bundle, bool isLocal)
{
Name = info.BundleName;
IsLocalBundle = isLocal;
LoadPath = loadPath;
Bundle = bundle;
Hash = info.Hash;
AssetNames = new HashSet <string>(bundle.GetAllAssetNames());
Dependencies = info.Dependencies;
}
static IEnumerator CoInitalizeLocalBundles(BundleAsyncOperation result, bool autoReloadBundle)
{
if (Initialized)
{
result.Done(BundleErrorCode.Success);
yield break;
}
AutoReloadBundle = autoReloadBundle;
if (LogMessages)
{
Debug.Log($"LocalURL : {LocalURL}");
}
foreach (var kv in s_AssetBundles)
{
kv.Value.Bundle.Unload(false);
}
s_SceneNames.Clear();
s_AssetBundles.Clear();
s_LocalBundles.Clear();
var manifestReq = UnityWebRequest.Get(Utility.CombinePath(LocalURL, AssetbundleBuildSettings.ManifestFileName));
yield return(manifestReq.SendWebRequest());
if (manifestReq.isHttpError || manifestReq.isNetworkError)
{
result.Done(BundleErrorCode.NetworkError);
yield break;
}
if (!AssetbundleBuildManifest.TryParse(manifestReq.downloadHandler.text, out var localManifest))
{
result.Done(BundleErrorCode.ManifestParseError);
yield break;
}
//cached version is recent one.
var cacheIsValid = AssetbundleBuildManifest.TryParse(PlayerPrefs.GetString("CachedManifest", string.Empty), out var cachedManifest) &&
cachedManifest.BuildTime > localManifest.BuildTime;
result.SetIndexLength(localManifest.BundleInfos.Count);
for (int i = 0; i < localManifest.BundleInfos.Count; i++)
{
result.SetCurrentIndex(i);
result.SetCachedBundle(true);
AssetbundleBuildManifest.BundleInfo bundleInfoToLoad;
AssetbundleBuildManifest.BundleInfo cachedBundleInfo = default;
var localBundleInfo = localManifest.BundleInfos[i];
bool useLocalBundle =
!cacheIsValid || //cache is not valid or...
!cachedManifest.TryGetBundleInfo(localBundleInfo.BundleName, out cachedBundleInfo) || //missing bundle or...
!Caching.IsVersionCached(cachedBundleInfo.AsCached); //is not cached no unusable.
bundleInfoToLoad = useLocalBundle ? localBundleInfo : cachedBundleInfo;
var loadPath = Utility.CombinePath(LocalURL, bundleInfoToLoad.BundleName);
var bundleReq = UnityWebRequestAssetBundle.GetAssetBundle(loadPath, bundleInfoToLoad.Hash);
var bundleOp = bundleReq.SendWebRequest();
while (!bundleOp.isDone)
{
result.SetProgress(bundleOp.progress);
yield return(null);
}
if (!bundleReq.isHttpError && !bundleReq.isNetworkError)
{
var loadedBundle = new LoadedBundle(bundleInfoToLoad, loadPath, DownloadHandlerAssetBundle.GetContent(bundleReq), useLocalBundle);
s_AssetBundles.Add(localBundleInfo.BundleName, loadedBundle);
CollectSceneNames(loadedBundle);
if (LogMessages)
{
Debug.Log($"Local bundle Loaded - Name : {localBundleInfo.BundleName}, Hash : {bundleInfoToLoad.Hash }");
}
}
else
{
result.Done(BundleErrorCode.NetworkError);
yield break;
}
bundleReq.Dispose();
s_LocalBundles.Add(localBundleInfo.BundleName, localBundleInfo.Hash);
}
RemoteURL = Utility.CombinePath(localManifest.RemoteURL, localManifest.BuildTarget);
#if UNITY_EDITOR
if (s_EditorBuildSettings.EmulateWithoutRemoteURL)
{
RemoteURL = "file://" + Utility.CombinePath(s_EditorBuildSettings.RemoteOutputPath, UnityEditor.EditorUserBuildSettings.activeBuildTarget.ToString());
}
#endif
Initialized = true;
if (LogMessages)
{
Debug.Log($"Initialize Success \nRemote URL : {RemoteURL} \nLocal URL : {LocalURL}");
}
result.Done(BundleErrorCode.Success);
}