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Why the virtual bones are missing when importing skeletal meshes applying the same skeleton?

Hello everyone, I am a beginner on Animation. I am using the default UE mannequin skeleton for all humanoid characters. I have added 2 virtual bones on the default skeleton.
Now there's a strange problem: When skeletal meshes are imported applying the exactly same skeleton, they all lose the virtual bones. Even if I export the default mannequin and reimport into the engine, it still does not have the virtual bones.

alt text

alt text

Virtual bones are as below:

alt text

Can anyone kindly help me about this subject?

Thank you so much in advance!

Product Version: UE 4.16
novirtualbones.png (634.1 kB)
vb.png (33.8 kB)
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asked Mar 01 '18 at 11:17 AM in Using UE4

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avatar image AmphDev Mar 01 '18 at 11:34 AM

Hey There!

Thats because Unreal Engine is able to store skeleton data for each mesh is using that skeleton.. Thats not 100% i mean im not sure about engine share virtual bones or not.. im pretty sure ue store skeleton informations / mesh (like if you have extra bones in your mesh that will be not used)

Try to add virtual bones when you open the other mesh , then skeleton and save that.. if "different" virtual bones apper we are sure ue save virtual bones / mesh too..

Source for mesh / skeleton save: https://www.youtube.com/watch?v=JkcJ5bjGPsg&t=1264s

avatar image Fogbell Mar 01 '18 at 03:36 PM

Thank you very much for your reply. I was trying your method and I have a update for anyone who encounters the same problem:

The engine crashed while I tried to rename the Virtual Bones which are existing but not fuctionning. When I restart the project the Virtual Bones are right in their place, perfectly fuctionning......I wish the engine crash can save us always like that.

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