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Regression: Blendshape mesh with multiple primitives doesn't import anymore #755

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hybridherbst opened this issue Feb 5, 2025 · 2 comments
Closed

Regression: Blendshape mesh with multiple primitives doesn't import anymore #755

hybridherbst opened this issue Feb 5, 2025 · 2 comments
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@atteneder
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bug Something isn't working
Milestone
6.10.3

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@hybridherbst
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Describe the bug
This seems to be a regression to 5.x, maybe related to #153

Files
Download from KhronosGroup/UnityGLTF#806 (comment)

To Reproduce
Steps to reproduce the behavior:

  1. Drop GLB in Unity
  2. Note exception on import
  3. Test with 5.x --> import works but has multiple meshes instead of one mesh with submeshes, as expected

Expected behavior
A single mesh with submeshes and a skinned mesh renderer with blendshapes is imported for the head mesh.

Screenshots

Image

Desktop (please complete the following information):

  • glTFast version 6.10.1
@hybridherbst hybridherbst added the bug Something isn't working label Feb 5, 2025
@hybridherbst hybridherbst mentioned this issue Feb 5, 2025
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@atteneder atteneder self-assigned this Feb 10, 2025
@atteneder atteneder moved this from To do to In progress in glTFast development Feb 10, 2025
@atteneder atteneder added this to the 6.10.3 milestone Feb 10, 2025
@atteneder
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Hi Felix,

I was able to reproduce it and found a fix that's gonna land in 6.10.3.

Thanks for reporting ❤

Needle-Mirror-Bot pushed a commit to needle-mirror/com.unity.cloud.gltfast that referenced this issue Feb 24, 2025
[email protected]
e9aa1b9 
## [6.10.3] - 2025-02-21

### Added

### Changed

### Fixed
- (Import) Morph targets on multi-primitive meshes (where primitives reference identical vertex buffers; fixes [#755](atteneder/glTFast#755)).

### Removed

### Deprecated

### Security
@atteneder
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Fixed in 6.10.3

@github-project-automation github-project-automation bot moved this from In progress to Done in glTFast development Feb 24, 2025
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@atteneder atteneder

Labels
bug Something isn't working
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glTFast development
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Milestone
6.10.3
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@atteneder @hybridherbst