Unreal Engine Issues
Unreal Engine Issues
Merged actors cannnot cast shadows when source actors Cast Shadows is disabled
UE - World Creation - Worldbuilding Tools - Merge Actor - Aug 19, 2020Merging actors with cast shadows disabled causes the merged actor to be unable to cast shadows at all. Toggling the Cast Shadows option does not resolve the issue. This is seen in //UE4/Release-4.2 ...
User defined struct variables with spaces do not import properly in cooked builds
UE - Gameplay - Blueprint - Aug 11, 2020DataTables exported to JSON in editor (UDataTable::WriteTableAsJSON, accessible by right clicking a data table and picking export to json) that contain variables with spaces or other outlawed charac ...
When always loading last project, project logs are saved to the engine folder
UE - Editor - Aug 6, 2020Checked on the Binary version //UE4/Release-4.25 stream CL 13942748 Version 4.25.3, logs are also saved into Engine folder: \AppData\Local\UnrealEngine\4.25\Saved\Logs instead of a Project folderIf a ...
Modifying Override Parameters on NiagaraActor blueprints created from a System Actor does not work
UE - Niagara - Cinematics - Aug 5, 2020Modifying Override Parameters on NiagaraActor blueprints created from a System Actor does not work The System component appears to only use the default value set in the System. This issue does no ...
Fix primitive uniform buffer validation.
UE - Rendering Architecture - RHI - Jul 31, 2020GPUScene primitive validation is currently busted and asserts. It looks like there are two problems: 1) NaN's in the entries can cause comparison issues, so a MemCmp would be better. 2) There's a ...
Changing blueprint default values inside arrays only updates loaded child blueprints
UE - CoreTech - Jul 30, 2020The rules for delta serialization in UE4 are complicated, and the editor tries to hide them from you, which works 90% of the time but can lead to confusion and data loss in other situations. In the ...
Output warning log message for loading source texture of paper2D in Editor.
UE - Gameplay - Paper2D - Jul 30, 2020Outputs a warning log for loading source texture when Papaer2D is loaded in Editor. This may be due to a conflict post load of Paper2D and load source texture. The warning log is output only in ...
"Complex Collision Mesh" is not rendered in "Visibility Collision" view mode
UE - Simulation - Physics - Jul 29, 2020Consider this function in StaticMeshRender.cpp. FStaticMeshSceneProxy::GetDynamicMeshElements Now look for this line in the function: if(bDrawComplexWireframeCollision || (bInCollisionView && bDr ...
Blueprint classes are listed in Object pickers, but will not work as expected
UE - Gameplay - Blueprint - Jul 28, 2020Because of the way blueprints are implemented, the "Blueprint Class" asset actually points to the editor-only UBlueprint object. Because of this, all blueprint classes will show up as options for ge ...