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Attachment missing in Unity

Nick

While the weapon in this is visible and export checked in editor, it is not visible after loaded in Unity.

In Editor:

In Unity:

Harald

Sorry for the late reply. Unfortunately we could not reproduce the issue, everything is displayed correctly on our end:

Which version of the spine-unity runtime (name of the unitypackage) are you using? I assume you are exporting using Spine 3.8.99, as the project file is of this version, is that correct?

How exactly did you export the assets? We used the following command without any issues:

"$SPINE_EXE" -u 3.8.99 

---

clean-examples -i ./Sample.spine -o ./export -e toBinary.export.json

Nick

I re-uploaded with a sample unity project for reproducing the problem.

The export is done with "-u 4.0.76-beta", runtime is also updated to the latest. While the unity version of the sample project is 2019, it also happens to newer version of unity. I tested it on my other 2021 project too.

forgot to paste the export command.

Spine -i "Kingdom_Solider_Axe.spine" -e "toBinary.export.json" -u 4.0.76-beta

note that the file name is different because I renamed it to "Sample" here but the command is in this format.

Btw, the things that's special about this weapon is that it doesn't extend rotation (check box off) and has two constraints on the bone. The issue may be caused by this combination.

Harald

Thanks for the additional information and the reproduction project! We could successfuly reproduce the problem already upon export from Spine 4.0.76-beta.

The mesh of the axe is correctly shown in Unity, but only a transparent texture region is mapped to it. It seems as if there is a bug in atlas packing with setting Packing: Polygons, here the axe image is not included in the resulting atlas (neither in the .atlas.txt file, nor in the .png file). This issue seems to not occur when packing the atlas with setting Packing: Rectangles.

We have created an issue ticket here:
https://github.com/EsotericSoftware/spine-editor/issues/594
Thanks for reporting!

Nate

Fixed in 4.0.77-beta! Combining meshes for the same image was failing because there was a tiny sliver between the axe head and handle, creating a hole and confusing the polygon magicke. That sort of thing should now be fixed for all cases (holes are identified and discarded).