Unreal Engine Issues
Unreal Engine Issues
Fix delegate problems with Blueprints
UE - Foundation - Core - Feb 18, 2015https://udn.unrealengine.com/questions/236428/bug-blueprints-executing-zombie-code.html Blueprint MyCharacter is based on native class CodeFirstPersonCharacter. CodeFirstPersonCharacter has compone ...
Cannot compile a nativized Blueprint with a function that takes an interface as an input parameter and uses it inside the function (e.g. dynamic cast to object).
UE - Gameplay - Blueprint - May 27, 2020Issue occurs because there is a legacy code path that forces all interface parameters to be declared as 'const' in function declarations, even if CPF_ConstParm is not set in exported C++ code. This ...
Exponential Editor Slate Performance Cost When Editing An Asset With Nested Instanced Structs
UE - Editor - Workflow Systems - Feb 20, 2024UDN Issue: [Link Removed] ...
The constructor for the FWheelSetup struct in WheeledVehicleMovementComponent is in the .cpp file instead of the .h which can prevent projects from building if they contain a custom class deriving from WheeledVehicleMovementComponent.
UE - Simulation - Physics - Nov 19, 2014When a code class deriving from WheeledVehicleMovementComponent is created in a Vehicle Advanced template project, the user is required to include a constructor for the FWheelSetup struct in Wheeled ...
AddLocalTransform node does not match scale behavior described in the node's documentation
UE - Gameplay - Blueprint - Jun 29, 2018The comment for the AddLocalTransform node states "Change in transform of the component in its local reference frame. Scale is unchanged." However, when the node is used, the existing scale of the o ...
Instanced EditInlineNew Objects not correctly propagating to children and placed level instances
UE - Gameplay - Mar 3, 2020Instanced EditInlineNew objects are kind of broken right now and hard to make full use of. In addition to the notes above, there are some cases where you can't even assign new values into the base c ...
Blueprint Node "Get Actors" for Layers in Level Blueprint causes crash in Packaged .exe
UE - Virtual Production - Nov 21, 2019Blueprint Node "Get Actors" for Layers in Level Blueprint causes crash in Packaged .exe The Blueprint node "Get Actors" for Layers in the Level Blueprint causes an instant crash in a built developm ...
Crash with for loop and TArray in constructor to generate multiple StaticMeshComponents
UE - Foundation - Core - Apr 20, 2015Using a TArray to store multiple components being setup inside a for loop of a constructor will crash on project open. Crash Reporter: [Link Removed] ...
[CrashReport] UE4Editor_BlueprintCompilerCppBackend!FEmitDefaultValueHelper::HandleInstancedSubobject() [blueprintcompilercppbackendvaluehelper.cpp:2148]
UE - Gameplay - Blueprint Compiler - Mar 20, 2018No user comments in crash group 2143 // We should always be the one creating an instance in this case. 2144 check(bCreateInstance); 2145 2146 // Dummy object tha ...
Crash on PIE exit after dynamically enabling and disabling tick functions through the Level Script blueprint.
UE - Gameplay - Mar 23, 2018User reports hitting an assertion due to invalid FTickTaskManager state when game is attempting to unregister a tick function that was previously disabled dynamically. Failed assertion is in FTickT ...