Unreal Engine Issues
Unreal Engine Issues
TBigInt allocates twice as much memory as necessary for FString input
UE - Foundation - Core - Jul 9, 2015TBigInt appears to allocate twice as much memory as necessary for the input. This produces an unexpected output of the input value. ...
Record Animation can start "between keys"
OLD - Anim - Feb 8, 2016A user was trying to make his recorded animation loop, but having trouble getting it to loop properly and having to eyeball it. So I did some digging and experimentation. I think that one of the m ...
FRotator::SetClosestToMe(FRotator) Doesn't Set The Correct Value
UE - Foundation - Core - Dec 10, 2019FRotator::SetClosestToMe(FRotator) doesn't set the correct value. Attached are files with the demonstrative code. Found in 4.23.1 CL#9631420 Reproduced in 4.24 Preview 4 CL#10570792, 4.25 CL#10520 ...
SAnalogSlider moves slowly when step size is large
UE - Editor - UI Systems - Slate - Mar 6, 2024SAnalogSlider calculates FastestStepTime by multiplying the step size value by a constant, resulting in high numbers for larger step sizes. This gets lerped from 1 and used as the repeat time, resul ...
Attaching New Camera Actor to Spring Arm Component does not set the Location Correctly
UE - Gameplay - Blueprint - Apr 2, 2015After adding a new Camera Actor Component within Blueprints to an existing Spring Arm Component, the Camera Component adopts the location settings , but does not set its location within the viewport ...
Crash when enabling r.PSOPrecache.Resources due to check() in FSkeletalMeshObjectGPUSkin::GetUsedVertexFactoryData
UE - Rendering Architecture - Dec 3, 2024The game crashes because of a nullptr SkinnedMeshComponent in FSkeletalMeshObjectGPUSkin::GetUsedVertexFactoryData when r.PSOPrecache.Resources is enabled and a skeletal mesh is loaded due to a new ...
Landscape Grass Type will not build with static lighting leaving 'Lighting needs to be rebuilt warning.'
UE - World Creation - Worldbuilding Tools - Foliage - Sep 3, 2015When using the Landscape Grass Type and using a Static or Stationary light will throw the 'Lighting needs to be rebuilt' warning. ...
Multiple overlapping reflection captures cause graphical artifact on Mac
UE - Graphics Features - Dec 16, 2016There are tiled artifacts that appear on Mac Sierra when reflection captures overlap. Tested with Asset #3595 MacOS Sierra Version: 10.12.1 NVIDIA GeForce GT 750M Driver: 367.15.10.05f01 ...
ForEach 'Enum' node returns incorrect enum values
UE - Gameplay - Blueprint - Aug 21, 2015ForEach 'Enum' node returns incorrect enum values User Description: The For Each loop and Byte To Enum function return weird things. The same outputs happen with the Byte To Enum, depending on wh ...
Can't set Event replication settings when delegate output pin is connected
UE - Gameplay - Blueprint Editor - Feb 19, 2018User Reported Bug Replication Settings no longer editable after event delegate is connected. Doesn't seem to affect functionality, only UI. (replication settings stay as set before plugging delega ...