Skin weights are bugged since 4.2 update

Votes
0

Product:
Character Creator 4

Version:
4.21

Status:
Not a Bug

Issue 9387

Skin weights are bugged since 4.2 update

Since I updated to 4.2 the clothing skin weights seem to be bugged.
The default shape of the clothing is always in A-Pose (not the ones that are available to use as poses but that weird one that has the legs close to each other, which is used with GO-Z).
So when I try to paint weight, the clothing vertices move to try to return to this strange A-Pose.
This is specifically problematic when I try to put 100% weights to clothing objects that need to remain rigid such as pouches, scabbards, hard surface clothing details and other stuff, which move and changing position when I apply 1 weight to them for their corresponding bones.
I spoke with Rampa in support and made a few videos to demonstrate this issue which I'm attaching links to below:
https://www.dropbox.com/s/jmsp8uy36sscz96/2023-03-14%2010-03-34.mkv?dl=0
https://www.dropbox.com/s/ni7kpb7v93m6aut/2023-03-16%2010-15-56.mkv?dl=0
This is me demonstrating the issue with default CC assets:
https://www.dropbox.com/s/x2bsw3zbb9n917f/2023-03-20%2010-51-04.mkv?dl=0

And this is an older character made and skinned before the update that behaves as it used to and as it should:
https://www.dropbox.com/s/zikijeg7ov6vltw/2023-03-16%2011-16-39.mkv?dl=0

Any solutions that were offered by support did not solve my issue so that is why I'm submitting the feedback here.
Hope this gets fixed soon as it completely destroys my workflow for creating customs clothing.
Many thanks.

OS: Windows 11

8
1884

Bug Pipeline (Export/Import)Morph

Submitted bymeletis3d 2023/03/20 12:53:19

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COMMENTS (8)

Feedback Tracker Admin 2023/08/30 09:58:55

Hi Meletis3D,

Thank you for your reply. 
After reviewing your project, did you use the 'Export FBX' feature in that corrupted project? 
We will be making some modifications to the character to ensure that it looks fine in pipeline software such as Maya; therefore, the data might undergo some changes. 
If you need the bind pose, you can use the 'Transfer Skin Weight' function, which will utilize the current pose in the viewport to re-skin the mesh.

Calvin
Reallusion

meletis3d 2023/08/25 14:38:19

Hey a.vvrobel, are you sure? It doesn't seem to be fixed on my end. If you put a shirt from the default clothing on and you select all vertices and weight them to the pelvis do they not move to A-Pose? Cause they do on my end... :(

a.vvrobel 2023/08/25 09:08:08

It appears to be fixed in the latest update!

meletis3d 2023/07/13 13:40:38

Private Comment

Pixel4Fiction 2023/05/05 16:23:03

Hi Meletis 3d.
I confirm from my side too... Even if my problem is totally different. 
As soon as I updated to 4.2, I noticed that I could hardly use the tool anymore. 
I had to go through CC3... save my garment, and go back to CC4 to import the CC3 skinweight file and apply it to the garment still in accessory mode...
Very very laborious...
I don't understand what happened, before the 4.2 update, it was more than perfect...

I have already noticed that the "Smooth" tool is not functional as it should be : ... yet, once the CC3/CC4 re-import is done, it is back up and running and doing what is expected. I know, it's a little bit laborious as a bug, but that's exactly what I felt after the update... (which I regret... even if the other improvements are interesting).

in fact, I think that smooth tool can't even balance the vertices for example, on a jacket, when I go from my initial position - "Relax" - to the extreme "cross" position: the smooth tool is no longer functional or it manages it in a very chaotic way. The same thing for the crotch of a pair of pants...
This is a real problem...

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