Unreal Engine Issues
Unreal Engine Issues
WPO is incorrectly generated on materials using Material Attributes as input to Landscape Layer Blend node
UE - Rendering Architecture - Materials - Jan 31, 2024This comes from this UDN : [Link Removed] It occurs with this setup : [Image Removed] , where Set Material Attributes expressions act as inputs to the Landscape Layer Blend material expression. ...
Multi Line Trace by Channel includes Actors with Overlap collision in the Out Hits array
UE - Gameplay - Apr 13, 2015Multi Line Trace by Channel includes Actors with Overlap collision in the Out Hits array (but does not indicate a True Return Value). The two returns match with Ignore and Block collision settings. ...
Crash generating grass for landscape with XY offset map
UE - LD & Modeling - Terrain - Landscape - May 8, 2015Landscape grass map generation crashes if the landscape component in question uses an XY offset map. --------- Fatal error: [Link Removed] [Line: 646] Rendering thread exception: Fatal error: [Lin ...
[Audio Capture] - Editor crashes when activating an Audio Capture component when there are no active input or output devices avilable
UE - Audio - Aug 12, 2022If a device has no available input or output devices, activating an Audio Capture component will cause the device to crash. Occurs in Editor and Runtime. Assertion failed: NumTotalFrames > 0 [File:E ...
When a BPActor containing HISMs is multiplied with a scale, LOD display control doesn't work correctly
UE - Rendering Architecture - Nov 29, 2023Workaround 1: 1. Change HierarchicalInstancedStaticMesh.cpp in either of the following ways:void{{ FHierarchicalStaticMeshSceneProxy::GetDynamicMeshElements(const TArray<const FSceneView*>& Views, c ...
r.Lumen.Reflections.DownsampleFactor split screen artifact
UE - Graphics Features - Lumen - Dec 6, 2024In Split-Screen, with "r.Lumen.Reflections.DownsampleFactor" set to 2, it is possible to have vertical colored artifacts on View 1 (the second view). The Licensee reported the artifact occurred on ...
Manually importing LODs are rotated 90 degrees when using Transform Vertex to Absolute
Tools - May 26, 2016When importing a Static Mesh if you use the default settings and then manually import any LODs for that static mesh they will be rotated by 90 degrees. I found that disabling Transform Vertex to A ...
Timeline functions do not work inside of Blueprint functions
UE - Gameplay - Blueprint - Dec 20, 2014I could not repro their issue in main. They supposedly recently upgraded to 4.5. I was wondering if you could divide an conquer, and figure out when we fixed this. **EDIT** Was able to repro in mai ...
The Get node for the float value of Custom Axis Mappings only return 0.0 when called from Blueprints other than the Controller
UE - Gameplay - Input - Dec 3, 2014The Get node for the float value of Custom Axis Mappings only returns 0.0 when called from Blueprints other than the Controller. Input from the player does not affect the value. Note: this works a ...
Attached Project Crashes While Opening After Conversion From 4.10 to 4.11
UE - Foundation - Core - May 3, 2016The attached project is now crashing after being upgraded from 4.10.4 to 4.11.2. This crash also occurs when attempting to open a copy of the project in 4.12 Preview 1. After further investigation ...