Unreal Engine Issues
Unreal Engine Issues
Duplicating a Function Containing Add Child Actor Component Causes Changes Made to the Duplicate to be Saved to the Original
UE - Gameplay - Blueprint - Nov 9, 2015When you create a function containing an Add Child Actor Component node, duplicate that function, and then change the Child Actor Class option in the duplicate, the changes are also saved to the ori ...
Functions are called multiple times when given more than one reference
UE - Gameplay - Blueprint - May 2, 2017Functions are called multiple times when given more than one reference. The function is called a number of times equal to the number of references that it is given. ...
Renaming blueprint function input is not respected until the user compiles
UE - Gameplay - Blueprint Editor - Oct 14, 2016If the user renames a function input, and then adds the function into a graph, the function node will not use the new input name. The user will need to recompile and then add the function back into ...
Stationary Directional Lights not Rendering Dynamic Shadows on Mobile
UE - Platform - Mobile - Jan 21, 2016As the title suggests, dynamic shadows on mobile when using a stationary directional light are not appearing at all when deployed to the device or when viewed in the mobile previewer. The odd part ...
Regression of CanJump Function not being accessible in blueprints in 4.8
UE - Gameplay - Jun 26, 2015When trying to override the CanJump function of a character blueprint, the function does not show up in the MyBlueprint panel's function section. Hovering over the Function bar shows the "Override" ...
Instanced meshes do not accurately use volume light samples when lit in a statically lit scene
UE - Graphics Features - Aug 14, 2015When using instanced meshes in a Blueprint or in foliage tool the indirect lighting cache will not correctly light these meshes. I've include a sample project with map to demonstrate what the lice ...
Crash Building Lighting with Tile Map in Level
UE - Gameplay - Paper2D - Jul 2, 2015Built Lighting with Tilemap in ViewportSaved Paper2D Project after editing blueprint graph Building lighting with a non-empty Tilemap causes crash. The editor builds fine with an empty Tilemap howeve ...
Multigates only fire the first output when inside a function
UE - Gameplay - Blueprint - Apr 2, 2015Multigates only fire the first output when inside a function. The same setup in the Event Graph will function as intended. Reproduced in 4.7.4 binary and Main (//depot/UE4/Promotable-CL-2498147) ...
Lighting channels on static mesh doesn't change correctly at runtime
UE - Graphics Features - Aug 28, 2020If call SetLightingChannels in blueprint to set a static mesh's lighting channels at runtime, the mesh in the viewport seems can't update to the new lighting channel setting. A weird thing is, if ...
LIVE: Advanced Lighting Map (new default map in Release) has a Skybox the generates Error on Lighting Build
Docs - Samples - Oct 23, 2014Opening the Advanced_Lighting Map, the new default map with 4.5.0 and 4.5.1, the Skybox has 4 UV Channels but all of them have overlapping UVs. WORKAROUND - You can Auto Generate UVs for the Skyb ...