Unreal Engine Issues
Unreal Engine Issues
Duplicated TextureLoadVirtualPageTable in GetCustomData functions in generated HLSL add to the total instruction count due to TextureLoad having side effects
UE - Rendering Architecture - Materials - Dec 4, 2024When using materials with CustomData inputs, such as the Eye material with Iris Distance and Mask, Virtual Texture samples will increase the instruction count for each unique VTPageResult. Each cus ...
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 ...
Virtual Joystick + Swipe to Look = Choppy camera movement on newer iOS devices
UE - Platform - Mobile - Jan 10, 2020User Submitted Video: [Link Removed] User Description: "Swipe to look (with only the left virtual gamepad joystick) is undoubtedly the established gold standard for 3D First Person mobile games. ...
CapsuleComponent with CCD on will push and pull any simulated physics objects when close but not in contact with the capsule
UE - Gameplay - Jul 21, 2015When using a capsule component for the character with CCD enabled there can be a force that pulls or pushes simulated meshes that are never touched by the capsule. Demonstration video attached. As ...
Custom Node plugged into World Displacement cannot convert from FMaterialTessellationParameter to FMaterialPixelParameter
UE - Graphics Features - Nov 30, 2015Custom Nodes plugged into World Displacement are yielding:Error [SM5] error X3017: 'CustomExpression1': cannot implicitly convert from 'struct FMaterialTessellationParameters' to 'struct FMaterialP ...
Physic Constraint movement is quadratic where previously it was spherical
UE - Simulation - Physics - Apr 6, 2022Physic Constraint movement is quadratic where previously it was spherical. ...
Gameplay Ability Component Montage Replication incorrectly handles cyclic animation sections
UE - Gameplay - Gameplay Ability System - Dec 4, 2023In AbilitySystemComponent_Abilities.cpp, the check for the client being on a different section on line 3059 checks that the RepNextSectionID is not the current section. One would assume this is beca ...
AreaFlags Empty During First PIE Session After Hot Reloading
UE - AI - Dec 12, 2016AreaID always seems to be empty during the first PIE session after hot-reloading. Only able to test in Dev-Framework CL# 3221683 due to the licensee's project being created in 4.15 and not being b ...
GetRefBonePose doesn't return the correct location if the mesh has been switched to another mesh of the same skeleton
OLD - Anim - Sep 10, 2015When using GetRefBonePose() on a USkeletalMesh's RefSkeleton, the given location is incorrect if the SkeletalMesh has been changed from one to another where both meshes share the same skeleton. Als ...
Blueprint Interfaces cannot pass by reference between two blueprints
UE - Gameplay - Blueprint - Feb 25, 2015Pass by reference variables do not work when called from a blueprint interface between two blueprints. Workaround: Use direct communication to pass by reference between two blueprints. ...