Unreal Engine Issues
Unreal Engine Issues
Calling SetupAttachment/AttachToComponent with 'this' as the parent inside a USceneComponent subtype's C++ ctor for nested component subobjects will result in all instances of the nested default subobject trying to attach to the CDO at registration time.
UE - Gameplay - Nov 16, 2016This occurs because the 'AttachParent' property is a UPROPERTY, and as a result when we create a new instance of a USceneComponent subtype, any USceneComponent subtypes it owns are treated as instan ...
Destructible Meshes that are fractured while using moving will rest and then move the whole components fractures as a whole
UE - Simulation - Physics - Destruction - Nov 26, 2014DESCRIPTION: When a destruction mesh has been setup to move to a location or use a lerp if it is destroyed the components will fall, come to a rest, and then the entire destruction destruction mesh ...
Incorrect restitution behavior for physical material set to 1 whereby momentum is gained during the simulation
UE - Simulation - Physics - Mar 24, 2015Setting a restitution of 1 for a ground material and a restitution of 1 for a ball that bounces on the ground should keep the ball bouncing at the same height consecutively. Over the course of time ...
Action event in the blueprint graph leads to state dirty.
UE - Gameplay - Blueprint - Aug 9, 2017BP state get dirty if the BP graph have action input event. Regression: Yes, it is not reproduced in 4.16.3 This issue is not related to Blueprint Compilation Manager. ...
Construct object fails to assign a value when using the level blueprint - ConstructObject node issue
UE - Gameplay - Blueprint Compiler - Feb 28, 2018https://udn.unrealengine.com/questions/419239/uk2node-genericcreateobject-compile-issue.html ...
Search in Blueprint can encounter a deadlock condition when the window is closed before the search finishes and an FText lookup is pending
UE - Gameplay - Blueprint Editor - Jun 19, 2024When a running search in all blueprints is closed, it may prevent an AsyncTask used to return the look up FText's from StringTables from running on the game thread, leading to a deadlock. When the ...
Pasting custom data floats from a text editor into a instanced static mesh component crashes the editor
UE - Framework - Components - Aug 5, 2024When an instanced static mesh component with a material using a PerInstanceCustomData node has its data floats pasted in, the editor crashes with an "Array index out of bounds" error. The licensee w ...
Enemy projectiles are traveling further then expected once project is packaged.
When playing the user's project in editor vs Packaged, there has been different results for the enemy projectiles and how they are shown on the screen. When In editor, any enemy projectile will dama ...
Using both an Atmospheric and Exponential Height Fog will cause an issue rendering Translucency-based Materials
UE - Graphics Features - Jul 10, 2014Using both an Atmospheric and Exponential Height Fog will cause an issue rendering Translucency-based Materials. (See Screenshots below) IMPACT: Cannot use both Atmospheric Fog ...
Collision Channel on Particle Systems not saving
UE - Graphics Features - Oct 21, 2014Setting the Collision Channel to anything other than World Static will reset on closing and restarting the editor. ...