Unreal Engine Issues
Unreal Engine Issues
Data loss when FPlane is implicitly converted to FVector4
UE - Foundation - Core - Jan 3, 2018The FSceneView::Deproject function calls FMatrix::TransformVector4 and passes an FPlane value. TransformVector4 takes in an FVector4 parameter, so the value being passed is implicitly converted to F ...
GetActorLocation and GetActorRotation have mixed up Tooltips
UE - Gameplay - Jun 4, 2018Within the declaration of the APlayerCameraManager class, the GetActorLocation and GetActorRotation functions have mixed up Tooltips Result: Tooltip says to use GetCameraRotation for the GetActorLo ...
World Context node returns inaccurately in PIE/Standalone
UE - Gameplay - Blueprint - Sep 11, 2017When a blueprint function library reaches a "World Context" node, the result returned by the node is invalid / null in Standalone mode. Additionally, the node will occasionally report as invalid in ...
Yellow 'reset to default' arrow will disappear if the Details panel scrolls it out of view
Tools - Jul 20, 2017Yellow 'reset to default' arrow will disappear if the Details panel scrolls it out of view. Aside from the Transform, this seems to happen for most values in the Details panel. User description: F ...
Split screen causes rendering issues with lightshafts
UE - Graphics Features - Feb 21, 2018There is an issue occurring where Split screen causes rendering issues with light shafts. This issue does not occur if you use the command " r.lightshaftquality 0" The issue no longer occurs. This i ...
Duplicating a blueprint that implements an interface and then removing that interface will cause compile errors that don't occur if the interface was removed from the original BP
UE - Gameplay - Blueprint Editor - Aug 1, 2020See steps to reproduce. Looks like the fixup when saying Yes to "Would you like to transfer the interface functions to be part of your blueprint" doesn't work correctly on the duplicated BP. Inter ...
Bloated instruction counts in the material editor causing long compiles
UE - Graphics Features - Apr 17, 2019artists are dealing with greatly increased iteration times due to long shader compiles when working in the material editor. This has regressed over time as we add more features to the point were wor ...
Calling DiscardPlayerInput() does not appear to actually discard the player's input
UE - Gameplay - Jun 19, 2018Calling DiscardPlayerInput() does not appear to actually discard the player input. The comment for the function indicates that input will be consumed and discarded without doing anything with it. Ho ...
BP structures added as local variables do not retain default values
UE - Gameplay - Blueprint - Jul 31, 2015Adding a BP structure as a local variable to a function in a UMG widget graph will display the correct default values in the editor, but zero out to per-element defaults at run time. Update: Other ...
Adding OnClicked to SButton in Editor Mode plugin crashes editor when accessing the plugin
UE - Foundation - Cpp Tools - Plugin System - Mar 16, 2016If a new editor plugin has a button added with OnClicked functionality, the editor will crash immediately when accessing the plugin. Removing the OnClicked portion of code allows the plugin to be a ...