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Asset Importer

Runtime Studio Asset Importer Getting Started

This guide shows the fastest way to get the Asset Importer plugin working.

1. Add Runtime Studio to a scene

  1. Add RuntimeStudioEditor to a GameObject in your scene.

  2. Assign a RuntimeStudioSettings asset.

  3. Make sure the Asset Importer plugin is enabled in the Runtime Studio Settings window.

2. Enable the Asset Importer

Open:

Tools > Fullscreen > Runtime Studio > Settings

Then select the Asset Importer plugin.

Make sure the plugin is enabled.

No additional setup is required before importing your first asset.

3. Enter Play Mode

Asset importing happens while the game is running.

Press Play, then open Runtime Studio.

4. Open the Asset Importer

Open:

Scene Settings > Assets

You will see two import options:

  • Import Assets From File

  • Import Assets From URL

5. Import your first asset

Click Import Assets From File, then:

  1. Click Pick Asset / ZIP.

  2. Select a supported file.

  3. Click Load Into Review.

Common supported formats include:

  • .zip

  • .gltf

  • .glb

  • .fbx

  • .obj

  • .png, .jpg, .jpeg, .tga, .hdr

  • .wav, .ogg

  • .rtmat

  • .mtl

6. Review imported assets

Before importing, Runtime Studio opens the Import Review window.

From here you can:

  • preview imported assets

  • search imported results

  • enable or disable individual assets

  • select all assets

  • clear the current selection

  • detect duplicate assets before importing

When you're ready, click:

Import Selected

7. Import from a URL

Click Import Assets From URL, then:

  1. Paste a direct download link.

  2. Click Load Into Review.

  3. Review the imported assets.

  4. Click Import Selected.

The URL must point directly to the downloadable file rather than a webpage.

8. Runtime Bundle Export

For the best import quality, use Runtime Bundle Export inside Unity.

This workflow preserves more Unity-specific data and is recommended for:

  • rigged characters

  • skinned meshes

  • authored prefab hierarchies

  • complex assets

You can export bundles from:

  • Assets > Runtime Bundle Export...

  • GameObject > Runtime Bundle Export...

The exported .zip can then be imported directly into Runtime Studio.

9. Direct runtime importing

Direct importing works best for static content such as:

  • models

  • textures

  • materials

  • audio

  • simple props

For characters and more complex Unity content, use the Runtime Bundle Export workflow instead.

10. Locate imported assets

Imported assets automatically appear in the Runtime Studio Project panel.

Assets are organized into folders such as:

  • Imported

  • Imported/Textures

  • Imported/Materials

  • Imported/Audio

ZIP imports create their own folder based on the archive name.

For example:

11. Use imported assets

Imported assets behave like any other Runtime Studio asset.

You can:

  • place imported GameObjects into the scene

  • assign imported materials

  • use imported textures

  • use imported audio clips

12. Save your work

Imported assets are fully integrated with Runtime Studio.

Imported assets are automatically included when using:

  • Save

  • Load

  • Export

  • Import

  • Undo

  • Redo

No additional setup is required.

Rigged Character Support

Direct runtime importing of rigged characters and Skinned Mesh Renderers is not currently supported.

At this time, characters must be imported using the included Runtime Bundle Export tool for the Unity Editor.

The Runtime Bundle Export workflow preserves Unity-specific data that cannot currently be reconstructed through direct runtime model importing, including:

  • Rigged characters

  • Skinned Mesh Renderers

  • Prefab hierarchies

  • Avatar and Animator data

  • Material assignments

  • Colliders

  • Complex GameObjects

Sharing the Runtime Bundle Export Tool

The Runtime Bundle Export tool is designed to work without Runtime Studio being installed in a Unity project.

This allows you to distribute the tool to your players, enabling them to export their own Unity-created content as Runtime Studio packages that can later be imported directly into your game.

The Runtime Bundle Export tool is located at:

Assets/Plugins/Fullscreen/RuntimeStudio/Runtime/Plugins/AssetImporter/RuntimeBundleExport

Players simply copy this folder into their Unity project, export their GameObjects as a Runtime Studio package, and then import the generated .zip into Runtime Studio.

This makes it easy for creators to build and share characters and models without requiring the full Runtime Studio package.

FBX Compatibility

Runtime Studio supports both ASCII and Binary FBX files and has been tested with a wide variety of FBX models.

Because FBX is a large and evolving format with many exporter implementations, some files may contain features that are not supported during runtime importing.

For the most reliable direct-import workflow, we recommend using glTF (.gltf / .glb) whenever possible. The glTF format provides more consistent results and typically offers better material and texture compatibility.

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