Description

Reimporting a static mesh will cause some Static Mesh Editor values to be reset back to defaults.

This was reported as JIRA UE-22205 back in 4.10 and was marked fix in 4.12. However, I wasn't able to verify it was fixed because reimporting crashes the editor in 4.12.

Licensee Description:

Static Mesh property 'Allow CPUAccess' un-ticks itself when you re-import the mesh.

It's never a problem in-editor if its un-ticked, but in cooked builds this really messes up our stuff.

Steps to Reproduce
  1. Open a new blank BP project
  2. Import the provided .FBX file > Default settings
  3. In the Content Browser, double-click the static mesh to open it in the Static Mesh Editor
  4. In the Details panel, Enable "Allow CPUAccess" and "Generate Mesh Distance Fields"
  5. Save but leave the window open so you can see the values
  6. Back in the editor > Content Browser > Right-click the static mesh > Reimport

Results: The 2 values enabled will be reset back to default values when the static mesh is reimported

Expected: For all values to be maintained on reimport

Have Comments or More Details?

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-46829 in the post.

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Fixed
ComponentTools
Affects Versions4.13.24.14.34.15.34.16.24.17
Target Fix4.18
Fix Commit3537796
Main Commit3567077
Release Commit3643070
CreatedJul 5, 2017
ResolvedJul 14, 2017
UpdatedApr 27, 2018
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