1. Inside your UE4 project, from the Menu Bar under Edit, select Plugins.
2. Under the Animation section, click Enabled for Live Link and Yes on the confirmation window, then restart the Editor.
This will enable the Live Link Plugin which can be used to connect to external Digital Content Creation (DCC) tools. In order for your DCC tool to connect to UE4, you will need to enable the corresponding plugin. In this how-to we are establishing a connection with Motionbuilder, however, you could connect to Maya or your own tool (provided that tool has an exposed source to Live Link).
3. In the Content Browser under the Content > Mannequin > Animations folder, open the ThirdPersonWalk animation.
4. From the Toolbar, click Export Asset, then select Preview Mesh.
Also click Yes on the confirmation window.
at the FBX Export Options window.
5. Download the Motionbuilder Plugin from the GitHub Repository and extract the zip files to your computer.
After extracting the zip file, you will find folders for different versions of Motionbuilder as well as the plugin files needed to set up the plugin inside Mobu.
6. Inside Motionbuilder, under Settings select Preferences...
7. Under SDK click the Add button and point to the extracted folder path and your version of Motionbuilder.
Once you see the path in the window, click Ok.
8. On the confirmation window, click Ok
, then restart Motionbuilder for the changes to take effect.
In the Asset Browser
under Devices, you will now see the UE - LiveLink asset.
When you drag this asset into the Viewport, it enables you to define what from your scene you want to stream.
9. Open the ThirdPersonWalk_PreviewMesh exported from UE4, then click Open on the Open Options menu.
This will import the character mesh and animation into Motionbuilder.
10. In the Asset Browser
under Elements, drag a Camera into the viewport.
Move the camera to any position desired as this will be an alternate camera we can switch to and preview inside UE4.
In the next step we will set up the UE - LiveLink asset to define what elements we want to stream over to UE4.