Unreal Engine Issues
Unreal Engine Issues
Yaw input is not always applied as expected depending on whether the yaw input function is called in the Player Controller Blueprint vs in the Character Blueprint
UE - Gameplay - Blueprint - Nov 20, 2018In the attached project, the controller Blueprint is set to apply rotation based on a pair of bool values indicating whether the A (Rotate Left) or D (Rotate Right) keys are pressed. The controller ...
Static lighting isn't bouncing when using Layered Materials
UE - Graphics Features - Lumen - Aug 13, 2020Static lighting will not bounce on the ceiling when using a Layered Material. The Material Attributes Layers node is used which doesn't appear in 4.24.3 so this isn't a regression. This was report ...
Area Lights casting Specular regardless of material specular value
UE - Graphics Features - Sep 30, 2021The rectangle lights ignore the specular value of lit materials and will apply a specular highlight to them regardless of the value. you can compare the result against a standard point light and you ...
Parameter Group Names are lost when assigned in Material Functions
Tools - Jan 26, 2015Parameters within a Material Function which have a specific Group assigned lose the group information when an Instance is created. Reproduced in 4.7 Preview 4 and Main Promotable-CL-2412886 ...
Swarm Coordinator is not distributing Lighting Builds
UE - Foundation - Core - Jul 20, 2015Swarm Coordinator in 4.8.1/2 is not distributing light builds across accessible agents. If you have and open a Coordinator included in the 4.7.6 build of the Engine, Coordinator is distributing cor ...
Windowed Fullscreen causes Lighting Variations in Rendered Envrionment
UE - Graphics Features - Jan 18, 2016When a scene is light with a single Stationary Directional Light and a Single Stationary Skylight and packaged to use Windowed Fullscreen, there is a difference in how the scene is rendered compared ...
Alpha channel is not working on drag and drop function
Tools - Nov 5, 2014When using the drag and drop function in UMG on an image with an alpha map the background will show up as black instead of translucent. ...
Light Shafts Flicker in 4.19 compared to 4.18
UE - Graphics Features - May 22, 2018Per Licensee: We have noticed that the volumetric light shafts have become much more "flickery" and unstable compared to 4.18.3. This is visible in just the empty project with an unmodified engine. ...
Hot Reload picks up outdated Blueprint Function Library
UE - Gameplay - Blueprint Compiler - Jun 5, 2017Making changes that can potentially alter the CDO or other aspects of a UBlueprintFunctionLibrary can cause BP compilation issues with cryptic messages. This is caused by the Owning Blueprint (i.e. ...
Build lighting for single stationally light level generates a shadow map in PF_B8G8R8A8 format
UE - Texture - Nov 1, 2024Texture format override to BGRA8 due to changes in CL-30603716. The following code can restore the previous behavior. void FShadowMapPendingTexture::StartEncoding(ULevel* LightingScenario, ITexture ...