Unreal Engine Issues
Unreal Engine Issues
Altering interface outputs/inputs causes compile errors on blueprints calling interface
UE - Gameplay - Blueprint - Sep 4, 2015If an interface is called in a blueprint and then altered, the blueprint will receive a compile error until the interface is removed and re-implemented. ...
UMG Textblock with no font drops FPS by ~30
UE - Editor - UI Systems - Feb 21, 2015FPS drops in PIE when a widget is called that has text with no font selected. ...
Undo Delete Subcomponent/Child Actor of Blueprint while Playing Causes Crash
UE - Gameplay - Blueprint - Mar 12, 2015The title pretty much explains it all. When creating a blueprint and using a subcomponent or child within that blueprint, deleting the child actor, and then undoing while in play, causes crash. ...
Pawn Sensing Component is not registering sound data within hearing radius
UE - AI - Oct 30, 2014While using a pawn sensing component in an actor, the actor will not respond to sound data that is within the radius of its hearing threshhold/LOS hearing threshold. Additional notes: This was a ...
OnComponentEndOverlap and GetOverlappingActors are not in sync
UE - Gameplay - Dec 23, 2014GetOverlappingActors will return a value when used immediately after OnComponentEndOverlap. Putting a delay after the OnComponentEndOverlap call will result in GetOverlappingActors to return null, s ...
Setting a value Material Parameter Collection to Material will cause crash
UE - Graphics Features - May 2, 2016Adding a Material Parameter collection to a material, setting its value, then saving the material will cause a crash. This was only able to be reproduced on Mac and did not affect the Windows versio ...
Use mouse for touch enables gesture action on button which makes the button to lost focus to that the button fires onreleased event
UE - Editor - UI Systems - Slate - Mar 20, 2019When Use mouse for touch is enabled, the button fires onreleased event. Here is what I investigated. Use mouse for touch enables gesture action in the button that leads to LongPress gesture fires ...
Live: Copy & Pasting ForEachLoops will cause them to retain information from the original
UE - Gameplay - Blueprint - Nov 3, 2014If the user copies and then pastes a For Each Loop the loop will retain previous data such as the array type and will cause compiling errors. ...
Get Blackboard Value with null input causes crash
UE - Gameplay - Blueprint - Jan 6, 2015Getting a blackboard value as actor and setting an actor to that on tick causes crash. The real issue here is that you can use a function in BP (in this case `UBTFunctionLibrary::GetBlackboardValue ...
Sequence Recorder doesn't record First Person Template character correctly
UE - Anim - Sequencer - Jul 7, 2016Sequence Recorder doesn't record First Person Template character correctly. I wasn't able to track down exactly what it is about the First Person Character Blueprint that causes this though. ...