Unreal Engine Issues
Unreal Engine Issues
Using /*/ to create multiline comments in header files can prevent Visual Studio from successfully building a project.
UE - Foundation - Core - Aug 7, 2015If a multi-line comment is made in a header file using the format /*/ at the beginning and ending of the comment, UHT will fail to compile the project and will display the following errors: 1> C:/ ...
While using Rootmotion with blendout, the velocity will always fallback to 0.
UE - Anim - Gameplay - Apr 19, 2019We skip CalcVelocity for CharacterMovement while HasAnimRootMotion, and we do ExtractedRootMotion.MakeUpToFullWeight() anyway. This caused problem that when we blend out a rootmotion anim, it will ...
Particle Systems Feed Broken Values to Dynamic Parameters in Materials with Instanced Stereo Enabled
UE - Niagara - Jul 11, 2019Particle Systems Feed Boroken Values to Dynamic Parameters in Materials with Instanced Stereo Enabled Working as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 Preview 1 CL# 7236301, ...
Newly Created Landscape using Material with Displacement and Tessellation Flickers
UE - LD & Modeling - Terrain - Landscape - Apr 8, 2016Upon creating a new landscape that uses a material with displacement and tessellation, the landscape and its respective components will flicker. The flickering can be removed when you begin sculptin ...
Pawns using Floating Pawn Movement will teleport to the location specified in Move To Location
UE - AI - Jul 14, 2015Pawns using Floating Pawn Movement will teleport to the location specified in Move To Location. From fix CL 2619989: "Fixed FloatingPawnMovement component's issue when controlling AI pawn. Basicall ...
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 ...
Character animations do not replicate when the character is attached to another actor
UE - Networking - Feb 10, 2015Character animations do not replicate when the character is attached to another actor. Setting the other actor to Replicate and Replicates Movement does not seem to make any difference. Reproduced ...
Spawn Emitter At Location is not available in an Object Blueprint
UE - Gameplay - Blueprint - Feb 4, 2015Spawn Emitter At Location is no longer an available node in an Object Blueprint. It was available in 4.6.1 but is not in 4.7 or 4.8. Spawn Emitter Attached is still available in an Object BP. Teste ...
Renaming a struct variable with special characters shows no warning
UE - Gameplay - Blueprint - Sep 23, 2015When you go to rename a struct variable, there are no warnings that indicate that you cannot use special characters, but they are immediately deleted if you try to use them in the variable name. F ...