[Bf-gamedev] FBX Exporter to UE4 and Root Motion

[Alan Robinson]

Hey there folks,

I'm developing a game called "Atajrubah" , using Unreal Engine 4 and 
Blender for modelling,rigging and animation. Part of the technical setup 
is implementing root motion in our characters. I've been working with 
Jeremy (he worked on Sintel and Tears of Steel previously) and he's 
really on the ball with his rig and a great animator.

We've got everything parented to a root bone but the fbx exporter keeps 
adding the rig object as an additional static bone, killing the motion 
of the root bone we've set up. UE4 doesn't have the option of selecting 
which bone that you want to inherit root motion from, so it defaults to 
the first bone in the hierarchy.

I've been wrestling with the FBX exporter for a while now and have tried 
redbeard's solution , trying to stop the exporter from exporting the rig 
object as an additional parent bone. However the script fails to export 
with the modifications that I've made (granted that my experience is 
with c++ and the UE4 code base , so no surprise there I guess ).

*[Redbeard's exporter work around]*
(http://krisredbeard.wordpress.com/2012/06/07/blender-baking-fbxexport/ 
<http://krisredbeard.wordpress.com/2012/06/07/blender-baking-fbxexport/>)

ideasman42 from the IRC channel recommended I get in touch with mont29 
for further support. Any help with this would be greatly appreciated :)

You can find more information about the game at the links below, please 
do let me know your thoughts on this.

- MrNexy

*[Atajrubah IndieDB page]*
http://www.indiedb.com/games/atajrubah/ 
<http://www.indiedb.com/games/atajrubah/>

*[Atajrubah Facebook page]*
https://www.facebook.com/Atajrubah <https://www.facebook.com/Atajrubah>
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