Fbx exporter: Shape keys animation export broken #66272
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opened 2019-06-30 12:51:57 +02:00 by lucas veber
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Reference: blender/blender-addons#66272
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System Information
Operating system: Windows-10-10.0.17134 64 Bits
Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 430.86
Blender Version
Broken: version: 2.80 (sub 74), branch: master, commit date: 2019-06-29 20:58, hash:
blender/blender@be060c3990
Worked: 2.79b
Short description of error
Exporting animated shape keys with the Fbx exporter is broken.
After investigation, it seems this line is the cause in the export_fbx_bin.py file:
ob_to_convert.data.shape keys is not None, but tmp_me.shape_keys is None.
So shape keys are lost here, and are not registered in the data_meshes dict.
Exact steps for others to reproduce the error
cube.blend
Added subscriber: @LucasVeber
Added subscribers: @mont29, @lichtwerk
Not sure this is is actually the reason...
All Actions
andNLA Strips
under the FBX export Animation Settings@mont29: I am a bit confused why the shapekey animation seems nowhere to be found after reimporting if
All Actions
andNLA Strips
are enabledon export? (shouldnt these at least be selectable from the Dopesheet ShapeKey Editor Action dropdown?)I can't say i'm 100% sure of course, but i'm pretty sure the data_meshes dict should be filled with the shape keys data, while it's no more the case in the latest version.
To expose it better, a few lines below:
me.shape_keys being None, shape keys are skipped.
But this is a different case, in the given example the Cube object is "use_org_data". Sorry for the confusion.
Not working here (tested with the same blend file).
Sorry, I inverted "All Actions" and "Baked Animations" buttons!
When disabling these two options, shape keys animation exports here as well, yes.
OK, not exactly sure what to do then:
All Actions
andNLA Strips
are enabled@mont29: will assign to you [even though this might really not be a bug] for making a decission...
Added subscriber: @BleuRaven
Added subscriber: @Zoni
This still seems to be an issue, I exported a cloth simulation to Unity with the newest official version and it only appeared when all actions and nla-tracks were disabled.
Added subscriber: @Marksssss
The work-around works with the provided blend file, but I have one here that still doesn't work.animationString2.blend
If you try to export this as a fbx, even if you disable NLA strips and All Actions, the animation won't be exported.
Added subscriber: @fynn.braren