Description

Hitting check(UploadInfo.InstanceCustomDataCount * InstanceCount == UploadInfo.InstanceCustomData.Num()) and also seeing incorrect isntance order after removing instances from HISMs.

 

Additionally crash will occur when removing all instances through HierarchicalInstanceStaticMeshComponent::RemoveInstance().

 

 

Steps to Reproduce

Create an actor, add an HISMC to it

Set the HISMC to have NumCustomDataFloats > 0

Set a mesh on the HISMC

Have the player pawn trace to a location and on click, call HISMC>AddInstance(HitResult.Location)

Set up the right click to call HISMC>RemoveInstance(HitResult.Item)

Place several instances and then delete some.

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Cannot Reproduce
ComponentUE - Rendering Architecture
Affects Versions5.0
Target Fix5.3
Fix Commit27063793
CreatedMar 20, 2023
ResolvedAug 14, 2023
UpdatedAug 23, 2023