Unreal Engine Issues
Unreal Engine Issues
Spline Component Array Logic resulting in "Editor soft lock"
UE - Gameplay - May 6, 2019ReRunConstrictionScripts() on Tick() is causing an Editor "Soft- Lock" slow-down, When dragging a Spline Actor created from Blueprint; which utilizes custom construction script logic detailed in the ...
Compiling a blueprint with SetCollisionResponseToChannel Causes Crash
UE - Gameplay - Dec 5, 2016When using a blueprint with a destructible component, you can call the SetCollisionResponseToChannel node of that component in the construction script. As a result the engine will crash when attempt ...
Material Parameter Collection parameters only return default values when drawn to a Render Target
UE - Graphics Features - Mar 27, 2019Material Parameter Collection parameters only return default values when drawn to a Render Target This does NOT happen when drawing a material using a non-MPC parameter. To test this:Open Actor_BP ...
Variable is not Replicated if the Value is Set to the Original Default Value
UE - Networking - May 19, 2017Variables are not being replicated when they are set on the server to be the same value as the default value of the property. For example, if a float is created and defaulted to 20, and then set to ...
Multi-Material Assets lose ability to assign individual actor Material Elements if one element has a Dynamic Material Assigned
UE - Gameplay - Blueprint - Jan 25, 2016When you have a multi-material mesh assigned to a blueprint in which one of the material elements is set to a Dynamic Material via the Construction Script, you lose the ability to set teh other elem ...
Timelines are displayed as [Unamed TimelineComponent] in the Details view
UE - Gameplay - Blueprint - Mar 24, 2015Timelines are displayed as [Unamed TimelineComponent] in the Details view. Renaming the Timeline in the Blueprint has no effect. Reproduced in 4.7.3 binary and Main (//depot/UE4/Promotable-CL-24874 ...
Access None with Event Hit to get Physical Material type
UE - Gameplay - Feb 13, 2015When trying to get a hit result from physical material using a event hit node there will be a access none error caused in the log. This is the exact error presented: Error Accessed None 'CallFunc_B ...
Ensure and Assertion thrown while attempting to change Float value on a Sky Light using the Set Editor Property node
UE - Editor - Verse Class Editor - Apr 25, 2022This is a regression. Assertion thrown while attempting to change a Float value on a Sky Light component using the Set Editor Property node. Different property values can trigger this assertion bes ...
Setting a component to replicate in an Actor that is already set to replicate alters the location of the mesh on the Client after enabling physics
UE - Networking - Jan 27, 2016Setting a component to replicate in an Actor that is already set to replicate alters the location on the Client after enabling physics. Note this only appears to occur with components added in Const ...
Line trace fails to detect Destructible Mesh
UE - Simulation - Physics - Destruction - Jun 15, 2015When using a line trace in the construction script so that objects can return a value destructible meshes will not return a hit. This does not affect use in game with PIE or Standalone game, but if ...