Unreal Engine Issues
Unreal Engine Issues
Skeletal mesh reduction - Material settings are lost when regenerating the LOD in a mesh with a reduced material section
UE - World Creation - Worldbuilding Tools - HLOD - Nov 25, 2020Following code fixes this issue in FQuadricSkeletalMeshReduction::ReduceSkeletalMesh Section.ChunkedParentSectionIndex = bIsChunkedSection ? CurrentParentSectionIndex : INDEX_NONE; // ...
Final Gather Quality Post Process setting causes severe rendering issues in the Stack-O-Bot project
UE - Graphics Features - Lumen - Feb 24, 2022When opening the Stack-O-Bot project in 5.0 Preview 1, the project has a rendering issue where bright shimmering lights appear all around the screen. I discovered that this is due to the PostProcess ...
Particle emitter Depth Fade node isn't accurate on iOS
UE - Platform - Mobile - May 18, 2017Particle emitter Depth Fade node isn't accurate on iOS. When set to a normal value (around 100) it will fade out at about 65,000 units away from the particle. Licensee Description: we use a partic ...
Foliage experiences odd culling when world origin is changed
UE - Graphics Features - Sep 13, 2017There is an odd issue occurring when the world origin is changed, changing the world origin causes the foliage to cull in unexpectred ways. The issue can be solved by using the console command "r.Al ...
Skewed Rotation values from camera actors in print string
UE - Gameplay - Sep 25, 2017When using the camera actor and modifying the rotation values, the values made in the print string do not seem to match the actual values of the camera's rotation. The values appear to be close, but ...
ApplyLimits AnimGraph Node has incorrect functionality
UE - CAPT - Control Rig - Nov 8, 2018In AnimNode_ApplyLimits.cpp the inputs for the ConstrainAngularRange function are going to the wrong rotator values. The XYZ of the node's input vec3 is being stored in YPR of the clamped rotator, w ...
SetPhysMaterialOverride does not work properly when using Weld Simulated Bodies enabled AttachToComponent func
UE - Simulation - Physics - May 7, 2019When using Weld Simulated Bodies enabled AttachToComponent func, the child Primitive Component's BodyIstance ActorHandle is released. As a result, in BodyInstance.cpp, the judgment of FPhysicsComman ...
Complex collision mesh might lose its collision in the editor
UE - LD & Modeling - Modeling Tools - Mesh Editing - Feb 18, 2020This is affected by loading order. In the case, display mesh was loaded firstly and try to build collision mesh form complex collision mesh asset. But the collision mesh didn't finished to make Ren ...
Actor variable type has distractingly large tooltip comment
UE - Gameplay - Blueprint Editor - May 4, 2021Actor.h has a large comment that describes the entire lifecycle of Actors, which was written for the API website (https://docs.unrealengine.com/en-US/API/Runtime/Engine/GameFramework/AActor/index.ht ...
LLM PlatformProcessMemory calculation ignores VRAM, and its calculation of how much memory is used by the process is too low
UE - Core - Systems - Sep 29, 2023FLowLevelMemTracker::TickInternal() the ELLMTag::Total (and therefore ELLMTag::Untracked) memory amounts are calculated based only on the result of FPlatformMemory::GetStats(), which on the Windows ...