Childed Props Disappearing In game

General Issues and Bug Reporting
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1

Summary

After the 32.0.0 ecosystem it was identified that assets that were attached to other assets were disappearing when a session was launched from UEFN to test. It was later discovered that the objects that were attached to the parent asset seemed to not retain the position, rotation, and scale relative to the asset they were attached to causing them to be move, scaled, and rotated relative to their absolute values to the world moving them to far off coordinates from where they should have been.

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

World Building

Steps to Reproduce

  1. Attach a prop to another prop
  2. Launch Session and load into the game

Expected Result

Props that are attached to other props should retain their position relative to the prop they’re attached to.

Observed Result

Props that were attached to a parent prop did not retain their proper position and were moved, scaled and rotated as if their values were set to absolute or in some cases moved in to a coordinate that seemed random

Platform(s)

PC

Island Code

3946-4663-2923

Additional Notes

To resolve this for the time being, if a prop is detached from it’s parent it will not be moved when a session is launched.

Any level sequences that were build with a parent/child relationship where a parent object was moving or manipulating other props attached to it, the level sequences would need to be rebuilt and each asset cannot be be attached or have assets attached to it.

2

I have a version of this happening where if I have a FortStaticMeshActor parented to a CreativeProp, only those actors are improperly offset. I converted all of them to Props and that seemed to have fixed it. But when I published, I noticed a few props missing and when I reopened the map, those missing props were unparented in the outliner and they were at the maps origin. So I reparented them and realigned and scaled them. And now it seems everything is working as expected.

3

The status of FORT-816673 incident has been moved from ‘Needs Triage’ to ‘Closed’. Resolution Reason: ‘Cannot Reproduce’

4

Getting someone to take a lot, thank you for the report!

2 Likes
5

i was just about to report this so ty

My experience that I’ve just noticed is…

I created a stats board and attach numerous things to one main mesh. When i moved the mesh everything attached moved so everything seemed fine.

What i did was change the name of a child actor and the asset actually moved back to the default location ???

Makes no sense at all and this is a major issue in my opinion

That’s a brief video of the issue

@Flak

Just a heads up that another strange and potentially game breaking bug has happened since last update

Just extra info

The assets move back to the original position where i attached everything to the board ect initially so the return location isnt random