Unreal Engine Issues
Unreal Engine Issues
Foliage instances don't move with a static mesh when it is shared between two foliage actors
UE - World Creation - Worldbuilding Tools - Foliage - Apr 26, 2023From Licensee: The bug comes from the call of the function `FoliagePartitioningUtils::Update` in the method `AInstancedFoliageActor::MoveInstancesForMovedComponent`. When the function `FoliageParti ...
Re-parenting blueprint actors do not lose interfaces associated with their previous parent blueprint
UE - Gameplay - Blueprint - Jul 23, 2015Re-parenting blueprint actors do not lose interfaces associated with their previous parent blueprint. Interfaces and interface functions can no longer be deleted from the re-parented actor. ...
r.SupportPointLightWholeSceneShadows Set to False Causes Crash When Trying to Place a PointLight
UE - Graphics Features - Jul 25, 2018If you disable Support PointLightWholeSceneShadows and try to place a point light in a level the editor will crash. Current work around is put shadows to low from engine scalability settings. Wor ...
Uncompressed Lightmaps rendering incorrectly in HTML5
UE - Platform - Mobile - Mar 25, 2015When using uncompressed Lightmaps in HTML5, the lighting is rendered incorrectly. Using (the default) compressed lightmaps, generates no error. Also reproduced in Main Promotable-CL-2487422 (Enscr ...
Blueprint compile failure with empty FTimerHandle return value
UE - Gameplay - Blueprint - Jul 13, 2017Blueprint compile failure when returning a Timer Handle from a function call when the Timer Handle node is not connected. Compile failure message: "ICE: The type of property %s doesn't match a term ...
WorldCoordinate3Way produces Incorrect Axis Lerps
UE - Graphics Features - May 18, 2016The Material Function WorldCoordinate3Way seems to incorrectly perform the Lerps from the axis contributions of the normals. An example is show here, with the left objects using the version that com ...
FBX Import into Level node rotation
UE - Editor - Content Pipeline - Import and Export - Aug 9, 2016User has pointed out that generating FBX files through C++ causes the level nodes and a light node. I'm not fully versed with this, so the notes from the user may be more helpful for their descript ...
Self-Shadowing changes when click on and off an actor
UE - Graphics Features - Jun 19, 2015Given a Movable Light with a Movable Mesh with enabled Self Shadow Only, the mesh will not cast inset shadows (despite this option begin forced to true according to Tooltip) unless the mesh is selec ...
Generated definition of BlueprintNativeEvent UFUNCTION in an interface does not include const keyword for return type
UE - Foundation - Core - Aug 15, 2018UHT does not correctly create generated code for BlueprintNativeEvent UFUNCTIONs in an interface that return const values. In the corresponding .gen.cpp file, the generated code does not include the ...
BP - Exclusive nativization will fail at cook time if a BP class includes a ChildActorComponent with a Data-Only BP set as the ChildActor class.
UE - Gameplay - Blueprint - Apr 20, 2017Note: This does not occur when the nativization mode is set to "Inclusive" in the Project settings. Current workaround: Ensure that the ChildActor class is NOT a data-only Blueprint, by adding scri ...