Unreal Engine Issues
Unreal Engine Issues
Directional light triggers 'too many overlapping lights' error in forward shading
UE - Graphics Features - Sep 24, 2019The underlying reason seems to be that the stationary lights require SM channels for casting shadows from movable objects and they are assigned channels 0,1,2 by lightmass (or somewhere along the w ...
Rect lights cause visual noise on the light rendered when using raytracing
UE - Graphics Features - Lumen - Nov 12, 2019Rect lights cause visual noise on the light rendered when using raytracing. It is easier to see when you get rid of all other light sources in the scene. I have attached an example project. This se ...
When move selected foliage to level, Foliage can not move to level.
UE - World Creation - Worldbuilding Tools - Foliage - Jul 18, 2017With 4.15, I can move Foliage to "Sublevel B", but I can not move it with 4.16. It seems to be affected by the update in 4.16 (New: When moving a foliage asset to a new level, you will now be prompt ...
Collision is not generated for Planes
UE - Gameplay - Jan 30, 2017Single Planes do not generate collision on import or with the Convex Decomposition window. Workaround: box Collision can be added via the Collision > Add Box Simplified Collision. I checked as fa ...
On mobile devices, Audio that is trigger with a TriggerBox are playing from the beginning of the Audio Clip and not from the selected time
UE - Platform - Mobile - Jan 13, 2015If you have a trigger box trigger an ambient audio clip when you enter the box, the audio clip will always play from the beginning even if you have the Start time starting later in the audio clip. ...
The option to add a component to an Actor Blueprint from inside a child Actor Component BP isn't available
UE - Gameplay - Dec 16, 2015The option to add a component to an Actor Blueprint from inside a child Actor Component BP isn't available. Using Get Owner inside the Actor Component's Event Graph and then casting to the owning Ac ...
After upgrading to 4.7 from 4.6, one of the Blueprints in this user's project will not save its Replicates setting
UE - Gameplay - Blueprint - Mar 4, 2015One of the Child Blueprints in this user's project will not save its Replicates setting. The Blueprint (apa_room01) is a child of MasterRoom, which has Replicates enabled. When apa_room01 is first o ...
Enum with "MAX" element at other than the last element removes user defined last element
UE - Foundation - Core - Oct 18, 2019FNativeClassHeaderGenerator::ExportEnum produces this behavior. If an enum has “MAX” somewhere in the array, it removes last element. I tested my code to fix the issue.// code placeholder bool UE ...
The Nativize Blueprint Assets option causes C++ collision components to ignore their extents set in a blueprint
UE - Gameplay - Blueprint Runtime - Jan 11, 2017Using the Nativize Blueprint Assets option can cause the extents of a collision component defined in code and inherited by blueprints to use its default values in a packaged build instead of the ext ...
Selecting multiple platforms to package in UFE may result in not all of the selected platforms being packaged
UE - Platform - Console - UnrealFrontend - May 9, 2016A user stated that when trying to use UFE to package for WindowsNoEditor, WindowsServer, LinuxNoEditor, and LinuxServer, not all of the platforms were actually being packaged. LinuxNoEditor was bein ...