如何从Unity3D中的AssetBundle获取AssetBundleManifest [英] How to get AssetBundleManifest from AssetBundle in Unity3D

问题描述

我已阅读 AssetBundles文档，并且还尝试从中获取清单具体的assetbundle类似于文档.我想获取角色的清单，但是代码中的清单返回null.

I have read AssetBundles Document and also tried to get the manifest from the specific assetbundle like the document. I want to get character's manifest but the manifest from the code returns null.

我将第5行的AssetBundleManifest更改为character或character.manifest，并且它也是空的:

I've changed the AssetBundleManifest at line 5 to character or character.manifest and it is also null:

private IEnumerator LoadAssetBundleManifest()
{
    string assetBundlePath = Application.dataPath + "/../AssetBundles/Android/character";
    AssetBundle assetBundle = AssetBundle.LoadFromFile(assetBundlePath); // assetBundle also have data.
    var manifest = assetBundle.LoadAsset<AssetBundleManifest>("AssetBundleManifest");

    print(manifest); // manifest = null

    yield return null;
}

此图片是我的资产的文件夹:

This image is the folder of my asset:

PS.现在，我正在使用Unity 2018.1.1f1.

PS. Now, I'm using Unity 2018.1.1f1.

推荐答案

您应该这样做

void LoadAsserBundle()
{
    AssetBundle manifestAssetBundle = AssetBundle.LoadFromFile(GetAssetBundlePath("StreamingAssets"));
    AssetBundleManifest assetBundleManifest = manifestAssetBundle.LoadAsset<AssetBundleManifest>("assetbundlemanifest");

    AssetBundle assetBundle = AssetBundle.LoadFromFile(GetAssetBundlePath("character"));
    Hash128 hash = assetBundleManifest.GetAssetBundleHash(assetBundle.name);
}

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