Unreal Engine Issues
Unreal Engine Issues
Calling RegisterComponent in the PreInitializeComponents of an Actor will cause child components of its components to not be initialized
UE - Gameplay - Dec 15, 2017Calling RegisterComponent in the PreInitializeComponents of an Actor will cause child components of its components to be ignored because the Actor is still being initialized. My understanding is tha ...
Breakpoint triggered in Visual Studio after running "{,,UE4Editor-Core}::PrintScriptCallstack()" command
UE - Gameplay - Blueprint - Jan 10, 2018Running the command {,,UE4Editor-Core}::PrintScriptCallstack() in the Immediate Window in Visual Studio while debugging is paused in Visual Studio will result in a breakpoint being hit when the ...
Merging negative-scaled actors breaks materials
UE - World Creation - Worldbuilding Tools - HLOD - Mar 27, 2018Materials are broken when merging a mesh with another that has negative scale Licencee states that bisMirrored in FMeshMergeHelpers::TransformRawMeshVertexData seems to be involved. Does not occur ...
Distance Field Shadows Not Working On Large Objects
UE - Graphics Features - May 10, 2018UDN Licensee reported this on 4.16, and I can repro in 4.17- 4.19. Per Licensee: I'm trying to use distance field shadows on very large objects, but it looks like it does not work. Can you sugge ...
AttachToComponent replication snapping to position instead of keeping relative location
UE - Networking - Feb 15, 2019When using AttachToComponent at runtime, the attachment does not replicate properly for some clients. The relative transform/rotation is not maintained. The user who reported this issue mentioned th ...
NumNonClothingSections logic is bad
UE - Editor - Content Pipeline - Datasmith - Jul 26, 2019We use the NumNonClothing section number to iterate in the sections, this is an error if the cloth sections are not at the end of the sections array. See the following picture of a search on NumNonC ...
TranslucentVolumeAmbient is darkened in InjectTranslucencyLightingVolume pass when using VSMs with r.Shadow.Virtual.ForceOnlyVirtualShadowMaps is Off
UE - Graphics Features - Shadows - Nov 18, 2024CSM targets are still created and affect the InjectTranslucencyLightingVolume pass when moving in a project that only uses VSM causing over brightening of fog planes and other translucent meshes. r ...
Niagara Fails to Compile Shader For iOS and Android
UE - Niagara - Aug 2, 2018Niagara fails to compile shader for iOS and Android. Unable to test in 4.19 due to assets provided being created in 4.20. Found in 4.20 CL# 4233996 and 4.21 CL# 4247867 ...
The 'Console Variables' option does not Output an HTML file
Tools - Aug 23, 2016No HTML file is created when using the newly added 'Console Variables' help menu option. This option is the same as entering 'Help' into the console command window. Neither of these options produce ...
Deactivate Then Activate Ribbon Emitter Causes Flicker
UE - Graphics Features - Oct 21, 2016When setting a particle system to be active after deactivating the remaining particles still floating in the air from earlier will flicker. This is harder to reproduce when smooth frame rate is enab ...