Unreal Engine Issues
Unreal Engine Issues
Static lighting crash on 5.4 when using landscape with WPO
UE - Graphics Tools - Terrain - Landscape - May 22, 2024When static lighting is built for a landscape with "Use Material Position Offset in Static Lighting" enabled it causes an editor crash. Licensee mentioned it was likely caused by a commit for 5.4, C ...
Clearcoat shader disappears if any asset using the Material leaves lighting
UE - Graphics Features - Aug 19, 2015Clearcoat Shader will stop receiving lighting information if any mesh assigned the material using the shader leaves lighting. Also Reproduced in Launcher 4.9 Preview 4, Main-CL-2660934 [Image Remo ...
Using nativized functions on buttons to spawn meshes causes assertion failure
UE - Gameplay - Blueprint - Oct 25, 2016An assertion failure is thrown when using nativized functions on an Android device. ...
OnPaint function causes artifacts to show up in a New Editor window
UE - Editor - UI Systems - Jun 17, 2015If the the onpaint function is used it can cause the top and left sides of the screen to retain artifacts. Attached image for reference. ...
[SM5] Material.usf Error when Previewing Material Function Output
UE - Graphics Features - Jul 21, 2016A user on the AnswerHub found an SM5 material error within his material function after following the tutorial below. [Link Removed] I followed the tutorial until I reached the point in which the e ...
Changing "Coordinate Light Map Index" When "Generate Lightmap UVs" Is Enabled In A Static Mesh Crashes Engine
Tools - Dec 31, 2019When altering "Coordinate Light Map Index" in a static mesh when "Generate Lightmap UVs" is enabled in LOD 0 the engine will crash or "Coordinate Light Map Index" will be set to 0. A demonstration ...
Functions within timers are not being fired off in widgets when set of the default cursor (Standalone mode)
UE - Editor - UI Systems - Mar 2, 2015If a user has a custom cursor that uses timers that call a function in 4.7, the functions will not run when that widget is applied as the default mouse via the Edit > Project Settings > User Interfa ...
called custom functions do not update parameter names upon compile, must be replaced
UE - Gameplay - Blueprint - Apr 21, 2015Parameter names do not update on custom functions that are already called in event graph after compiling blueprint. ...
UCanvasPanelSlot::PostEditChangeChainProperty does not call Super function
UE - Editor - UI Systems - Nov 13, 2018UCanvasPanelSlot::PostEditChangeChainProperty not only does not call its Super function unless the anchor node has been set, but it calls Super:: PostEditChangeProperty instead PostEditChainProperty ...
Reroute Node Breaks Link in Material Editor When Used with Material Function
UE - Rendering Architecture - Materials - Nov 30, 2017Adding a reroute node in the material editor between a texture object and a material function breaks the link and the texture object is no longer applied. Adding a reroute node into a spline that d ...