Unreal Engine Issues
Unreal Engine Issues
Mass is not calculated if an object's Collision Enabled field is set to No Physics Collision even when Simulating Physics
UE - Foundation - Core - May 22, 2015If an actor has 'Simulate physics' enabled and the Collision Enabled field is set to anything other than Collision Enabled (i.e. OverlapAll sets this to No Physics Collision) then mass is reset to 1 ...
Crash Occurs When Generated Item Type Doesn't Match Return Type
UE - AI - Jan 7, 2016After creating the example generator that is displayed at the bottom of the documentation linked below, a crash will occur if the Generated Item Type is set to EnvQueryItemType_Actor (which is the d ...
Setting location of Child Actor inside of OnConstruct causes the ChildActor to leave behind non-referenced instances
UE - Gameplay - Feb 10, 2016If the ChildActorComponent on a mesh is attached to a component and then has its location set in the OnConstruct function, it'll leave behind non-referenced instances of itself. This is most apparen ...
Timeline tracks can be given the same name as existing execution inputs, and renaming them and compiling will cause a crash
UE - Gameplay - Blueprint - Jan 13, 2015Timeline tracks can be given the same name as existing execution inputs, which causes some unusual behavior when dragging off the pin. Renaming them will rename the execution pin instead, and compil ...
Foliage LODs do not appear to use the base LODs lightmap any longer
UE - World Creation - Worldbuilding Tools - Foliage - Dec 16, 2016LODs used with the Foliage Tool are no longer being shadowed accordingly with their baked lighting from their base LOD. Originally they would stay consistently lit, where as now the lower LOD transi ...
Compile 'Note' on BP Interface events
UE - Gameplay - Feb 23, 2017Compile 'Note' on BP Interface events. It happens in actor BPs and also BP Widgets. A similar issue was fixed back in 4.11 with Custom Events. Could be related? https://jira.it.epicgames.net/brows ...
Using the Replace References Tool on Foliage Types producing Unexpected Results
Tools - Apr 6, 2017A licensee is reporting some unexpected behavior when attempting to replace references on Foliage Types already painted in the world. What happens after the references have been replaced, are the n ...
ACharacter JumpMaxHoldTime quickly prevents jumping on the server
UE - Gameplay - Blueprint - Sep 18, 2017-Character no longer jumps to full height when on client when setting maxholdtime to anything above 0 in character blueprint ...
GenerateProjectFiles.bat fails to compile UnrealBuildTool when VS2019 is the only version of Visual Studio installed
UE - Foundation - Cpp Tools - Apr 1, 2019Attempting to run GenerateProjectFiles.bat on a computer that only has Visual Studio 2019 installed (no other versions of Visual Studio were ever installed previously) will fail to compile UnrealBui ...
When multiple HLODs are set, the transition does not occur correctly
UE - Graphics Features - Aug 30, 2019The [bIsVisible] flag is set to [1] by the following judgment.const bool bIsInDrawRange = DistanceSquared >= Bounds.MinDrawDistanceSq * HLODState.FOVDistanceScaleSq; Judging from this code, I bel ...