AssetsTools
This is an AssetBundle manipulation library for C# inspired by Unity Asset Bundle Extractor.
Features
- Supports Loading/Saving AssetBundle file with or without LZ4 compression
- Supports Loading/Storing AssetsFile from AssetBundle
- Supports Loading Object from AssetsFile as a DynamicObject
- Supports Storing Object to AssetsFile with the content of DynamicObject
- Supports .NET 4.6.1/.NET Standard 2.0
Installation
Use NuGet package. (AssetsTools by grainrigi)
Examples
Rewriting m_IsReadable flag of Texture2D
using AssetsTools;
using AssetsTools.Dynamic;
public static class Program {
public static void Main() {
// Load AssetBundle
AssetBundleFile bundle = AssetBundleFile.LoadFromFile("texture.unity3d");
// Load AssetsFile
AssetsFile assets = bundle.Files[0].ToAssetsFile();
// Rewrite Texture2D Objects
foreach(var obj in assets.ObjectsWithClass(ClassIDType.Texture2D)) {
DynamicAsset tex = obj.ToDynamicAsset();
tex.AsDynamic().m_IsReadable = true;
obj.LoadDynamicAsset(tex);
}
// Store the modified AssetsFile
bundle.Files[0].LoadAssetsFile(assets);
// Save the AssetBundle
bundle.SaveToFile("texture.mod.unity3d");
}
}How to build
Prerequisits
- Visual Studio 2017 or dotnet
- .NET Framework 4.6.1 (for net461 build)
- .NET Core 2.0 (for netstandard2.0 build)
With VS2017
Just load the AssetsTools.sln and build the whole solution.
With dotnet
Just execute dotnet build in the root directory.
License
MIT