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Morph Targets not working on slave meshes in 4.9

This worked just fine in previous versions, but since 4.9 it simply does not work.

Our setup applies morph to master mesh (as set via SetMasterPoseComponent) and morphs (if they exist) automatically get propagated to all children.

We use this for body shaping, and for cloth overlap adjustments (eg hat and hair, or boots and pants).

  1. release notes don't mention that this was intended.

Could you please fix it? :-)

Product Version: UE 4.9
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asked Sep 01 '15 at 02:28 PM in Bug Reports

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xulture
251 5 12 21

avatar image Nightasy Sep 01 '15 at 02:47 PM

I also have this issue, I posted about this yesterday.

https://answers.unrealengine.com/questions/294290/49-set-morph-target-not-being-sent-to-children-1.html

Here is a video proving the bug exists. It's a real game killer.

https://youtu.be/exCBG7hd8tg

avatar image xulture Sep 01 '15 at 03:04 PM

Ohh thanks for that! Would you mind posting your link as 'answer' so I can accept it and we can close my copy of the question?

I think I have a fix for it, will post on your question

avatar image Nightasy Sep 01 '15 at 03:15 PM

Better we keep both topics open until the bug is acknowledged. As for now I live on these bug reports until it's fixed. I can't move forward until this bug is fixed.

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4 answers: sort voted first

Hi guys, with 4.11.0 out, I can confirm this is still not fixed; but the fix is quite simple. Link to pull request: https://github.com/EpicGames/UnrealEngine/pull/2222

File: Engine/Source/Runtime/Engine/Private/Components/SkinnedMeshComponent.cpp, change line 1019 to read:

 FAnimationRuntime::AppendActiveVertexAnims(SkeletalMesh, MasterSMC->MorphTargetCurves, ActiveVertexAnims);
 

First parameter should be mesh we're adding animations to, not master mesh.

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answered Apr 01 '16 at 05:53 AM

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xulture
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avatar image Matt.Williams Apr 04 '16 at 02:44 PM

To reiterate the update in the other thread, I've entered two bugs from the info provided there: UE-28991 and UE-29003

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This is actually not fixed. I and several team members have confirmed that it's not only not fixed but actually worse then it was before. The main thread for this bug can be located here:

https://answers.unrealengine.com/questions/294290/49-set-morph-target-not-being-sent-to-children-1.html

(There's a video link near the bottom showing the current bug in 411p8.)

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answered Mar 28 '16 at 05:35 PM

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Nightasy
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avatar image Matt.Williams Mar 30 '16 at 10:25 PM

Hey Nightasy,

I'm now helping with the investigation on the other thread. We'll have some updates there soon. Some of our test content previously didn't cover all use cases, but I spent some time making new test content today. Thanks for your patience on this.

-Matt W.

avatar image Nightasy Mar 30 '16 at 10:27 PM

Just glad to hear it's getting worked on. This issue creates some major limitations towards developing customizable character content.

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answered Sep 01 '15 at 03:40 PM

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xulture
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This bug is fixed in UE 4.11 preview 8 :) .

Regards, Cap :)

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answered Mar 28 '16 at 04:53 PM

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Arthur Khusnutdinov
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