AO Decals not working when using Lumen

UE - Graphics Features - Oct 14, 2022

When lumen enabled, and with static lighting disabled, we expect the Material AO to contribute to diffuse lighting occlusion. However AO from decals does not have any effect. ...

NormalizePackageNames() should interpret 'exclude developer folders' to also exclude packages in ExternalActors and ExternalObjects

UE - CoreTech - Oct 14, 2022

In NormalizePackageNames() (PackageUtilities.cpp), there is a PackageFilter parameter, which can be set to exclude developer packages (NORMALIZE_ExcludeDeveloperPackages). The code only checks the b ...

Linked Anim Graph in Post Process Anim BP does NOT work after remove ControlRig Track

UE - Anim - Rigging - Control Rig - Oct 11, 2022

After remove control rig track from the skeletal mesh, Linked Anim Graph in Post Process Anim BP of the SK Mesh does NOT work. This issue can be fixed by the following code.// add #include "Anima ...

r.SetFramePace cannot be set in device profile

UE - Platform - Mobile - Oct 7, 2022

Suggest creating an r.InitialFramePace cvar that is applied immediately at startup. ...

Decal actor's decal size is rendered with double length

UE - Graphics Features - Oct 4, 2022

Licensees have reported that they want to specify the Size in the same unit as cube on level. Looking at the engine, it seems that the Decal Size is currently set as the half size of the Box. [Imag ...

Artifacts when using virtual textures for multiple attributes in material layers

UE - Rendering Architecture - Materials - Sep 29, 2022

When using the Material Layer system and virtual textures, the number of physical texture samples in the shader increases with the number of material attributes that a virtual texture writes to. The ...

CookAdditionalFiles - WriteSharedFile function that allows multiple packages to generate the same file

UE - Foundation - Data Pipeline - Cooker - Sep 23, 2022

Dependency on [Link Removed], which specifies that CookAdditionalFiles should take a context object. Keep the existing WriteAdditionalFile function that is an argument to CookAdditionalFilesOverrid ...

CookAdditionalFilesOverride Context struct

UE - Foundation - Data Pipeline - Cooker - Sep 23, 2022

virtual void UObject::CookAdditionalFilesOverride allows non-package files to be copied or created during the cook whenever a UObject of your class is in a package that is cooked. This is useful for ...

Create ini setting for DirectoriesToAlwaysStageAsUFSChunkRules to specify the chunks for UFS files.

UE - Foundation - Data Pipeline - Cooker - Sep 23, 2022

Some plugins and projects are staging large amounts of AdditionalUFS files, and the only way to specify their chunk for streaming and optional install is using PakFileRules.ini. Add a setting in Ga ...

Fix iterative cooks to keep track of CookAdditionalFiles and delete them when the package file that created them is invalidated

UE - Foundation - Data Pipeline - Cooker - Sep 23, 2022

A licensee reports they are using the CookAdditionalFilesOverride function in UObject to add files to the project. This file is properly copied into the Staging area during Packaging, and is appropr ...