Unreal Engine Issues
Unreal Engine Issues
Material compiler incorrectly generates error
UE - Graphics Features - Oct 30, 2017Under certain conditions, the material compiler appears to detect errors where there are none. I debugged the particular case of the RGBtoHSV material function with JonathanL, and we believe that th ...
Superfluous Scroll Bar in Unreal Project Browser
Tools - May 26, 2016Resizing the Unreal Project Browser so all projects do not fit in the preview plane results in a second, "inner" scroll bar that does not function as a scroll bar. Instead, attempting to scroll wi ...
Post Process Ambient Cubemap Tilted
UE - Graphics Features - Nov 11, 2014User imported a custom image in the correct format to be used as an Ambient Cubemap within the Post Process Volume. Enabled detailed lighting mode by pressing Al+5 and the image has been tilted/of ...
Exposure Bias in Post Processing is blown out for Samsung Note 5
UE - Platform - Mobile - Apr 6, 2016The post process within the project is causing the light to show up extremely bright on Note 5. This project has been tested on a Nexus 5, Samsung Galaxy S6, and Nexus 5X. Could not repro on: 6713 ...
Static mesh's material slot's cast shadow does not require a build of StaticLight
UE - Graphics Features - Dec 7, 2017If static mesh's material slot's cast shadow is changed, UE4 does not show "LIGHTING NEEDS TO BE REBUILT". I solved it with the following fixes. StaticMeshEditorTools.cpp void FMeshSectionSettin ...
Array references are not recognized in Blueprint
UE - Gameplay - Oct 12, 2020Link to test project: [Link Removed] In BP_MyPlayerController event graph, “T” is bound to a Blueprint function called “BPSetMyArrayElement0To5”. “BPSetMyArrayElement0To5” calls the C++ function ...
ARKit GetCurrentFrame crashes app
UE - Platform - XR - Aug 22, 2018Using "GetCurrentFrame" crashes app. "The crash is due to the default constructor of FAppleARKitFrame being called by the above mentioned blueprint function. That constructor fails to initialize fi ...
Meshes Still Casts Shadows With Unlit Materials Applied (Misleading Tooltip)
UE - Graphics Features - Mar 16, 2017The "CastShadow" option on primitive component has a tooltip that says "This flag is ignored (no shadows will be generated) if all materials on this component have an Unlit shading model." This isn ...
UProceduralMeshComponent::UpdateMeshSection does not call UProceduralMeshComponent::UpdateCollision
UE - Simulation - Physics - Apr 20, 2020Updating a procedural mesh results in an incomplete collision update. Collision bounds appear to get updated properly, but collision data is not updated, despite a navigation rebuild being triggered ...
Mobile Preview dynamic shadows not showing on Mac
UE - Platform - Apple - Dec 19, 2014When Using mobile preview in the 4.7 preview build, or in the changelist provided, Dyanmic lighting is not showing shadows when changed to movable. Following the steps below, you will see no shado ...