Unreal Engine Issues
Unreal Engine Issues
Visibility of World Outliner doesn't affect skylight
UE - Graphics Features - Nov 27, 2018Visibility of World Outliner doesn't affect skylight. But it affects other kinds of lights like Point Light, Directional Light. I found that USkyLightComponent::CreateRenderState_Concurrent() doesn ...
Child Blueprint construction script runs before parent C++ OnConstruction
UE - Gameplay - Jun 25, 2019When the order of construction is backwards it makes it impossible to have native objects set up components in OnConstruction, that a child BP Construction Script then has access to. Sometimes the C ...
Unable to delete levels with Particles in them
UE - Gameplay - Oct 9, 2019The engine is unable to Level that has a Blueprint actor with a child actor component that has a particle system component. The follow message pops up: World /Game/LevelName.LevelName is in use. — ...
Crash in a packaged project when loading into a level after a nativized Anim BP grabs a PoseSnapshot using a FName
OLD - Anim - Oct 25, 2019In packaged projects will crash when an animation blueprint that is nativized loads into a new level. The anim blueprint needs to use the PoseSnapshot node with a FName variable passed before loadin ...
Instances In a Hierarchical Instance Static Mesh Component Don't Retain PerInstanceRandom Values When Rotated
UE - Graphics Features - Dec 9, 2019When an instance in a Hierarchical Instance Static Mesh component is rotated using "Update Instance Transform" it doesn't retain it's material's base color value when the material uses PerInstanceRa ...
Mesh Renders in Main Pass if Both "Render CustomDepth Pass" & "Render in Depth Pass" Are Enabled, While "Render In Main Pass" is Disabled
UE - Graphics Features - Dec 25, 2019Meshes set to not render in the Main Pass still does if both "Render CustomDepth Pass" & "Render in Depth Pass" are enabled, while "Render in Main Pass" is disabled. Attached is an example project. ...
VR Template Project Doesn't Create SteamVRBindings Config Folder
UE - Platform - XR - Jan 8, 2020When creating a basic VR Template project, setting the default map to Motion Controller map and exporting a Win64 build their is no SteamVRBindings config folder. I tested this with a Vive Pro and ...
Param usage bug when using switch params
UE - Rendering Architecture - Materials - Mar 28, 2022From the ticket: In a material instance using the attached master material if A is TRUE and B is FALSE I expect to be able to configure param C in the UI. However param C is shown only when Useswi ...
Wrong normal map compression settings when importing USD file
UE - Editor - Content Pipeline - USD - Apr 22, 2022Customer Comments: this is just a workflow issue where you need to set the compression settings to normal or tick the sRGB checkbox to fix the shading issue Regression testing done in //UE4/Rele ...
BP - Invalid component variable reference 'Access None' spam in a dedicated server build if the component class returns 'false' for NeedsLoadForServer().
UE - Gameplay - Components - May 10, 2016If a component class returns 'false' for NeedsLoadForServer(), then variables will not be included in the class in a cooked/packaged dedicated server build, and thus any variable references in scrip ...