Unreal Engine Issues
Unreal Engine Issues
Lightmass: Blocky lightmap artifacts appears on the Mesh Actor which is shadowing by a single face mesh
UE - Graphics Features - Lumen - Jun 9, 2020Begin Map Begin Level Begin Actor Class=/Script/Engine.StaticMeshActor Name=Plane_2 Archetype=/Script/Engine.StaticMeshActor'/Script/Engine.Default__StaticMeshActor' Begin Object Class=/Script/En ...
Hot Reload not updating variables that have their values set in the constructor
UE - Foundation - Cpp Tools - Hot Reload - Feb 1, 2016If a variable's value is being set in the construction script of a class and then that value is edited (the line itself is edited, not another setting of the variable), hot reload will not update th ...
Blueprint Profiler's "Filter to Graph" option does not filter to the current graph
UE - Gameplay - Blueprint - Aug 11, 2016The Blueprint Profiler's "Filter to Graph" option does not filter the nodes for additional graphs or function/macro graphs. The only time the option appears to filter properly is when looking at the ...
Opening / Compiling class with ChildActorComponent causes the ChildActor package to be marked dirty.
UE - Gameplay - Components - Mar 24, 2017Looks like this is a problem where the Actor is Duplicated due to constructions scripts running. Later, when the duplicate is destroyed all of its components will call RemoveOwnedComponent as they'r ...
RegisterComponentWithWorld does not check to see if Children of registered component have bAutoRegister set to false
UE - Gameplay - Components - Nov 30, 2017UActorComponent::RegisterComponentWithWorld() does not have a check for bAutoRegister near the end of the function, where it registers the component's children if it was created by the Construction ...
Collapsed categories in the My Blueprint tab are automatically expanded when any main tab is clicked
Tools - Jan 30, 2015Collapsed categories in the My Blueprint tab are automatically expanded when any main tab, such as the Event Graph or Construction Script tab, is clicked. Moving to the Defaults or Components Modes ...
Crash with a migrated BP actor using InstancedStaticMeshComponent
UE - Gameplay - Blueprint - Nov 28, 2016A licensee reported one of their map crashes on open when they tried to migrate from 4.12 to 4.14. There was no crash in 4.13. This seems to be caused by a certain BP actor that adds InstancedStat ...
Merge an actor that contains Instanced Static Mesh components will reset to 0,0,0
UE - World Creation - Worldbuilding Tools - HLOD - Jan 31, 2017Merge an actor that contains Instanced Static Mesh components will reset to 0,0,0. The Instanced Static Mesh components must be set using the Add Instance node through the Construction Script for th ...
Instanced Static Meshes do not Cast Shadows correctly when Baked
UE - Graphics Features - Aug 31, 2016When an instanced mesh that is added in the construction script is far enough away from the root component and has it's lighting baked the shadow will not render or will render incorrectly. This w ...
Setting Constrained Components on Begin Play Returning Warning Message
UE - Gameplay - Sep 16, 2016Adding a Physics Constraint component in the construction script and then attempting to set constrained components on begin play causes a warning to appear in the log after exiting PIE. Error Messa ...