Unreal Engine Issues
Unreal Engine Issues
Undo and ConstructionScript break the AttachChildren array
UE - Gameplay - Components - Nov 14, 2019Undo fills AttachChildren array with null by the undo serializer. After that, a construction script tries to remove child components from parent component's AttachChildren but it can't find its poi ...
Hide Bone in constructor does not update world instances
UE - Anim - Runtime - Nov 4, 2019Hiding bones during construction is not properly displayed by level instances placed at editor time. Note that setting 'Update animation in editor' on the mesh and re-running the constructor script ...
Expose light depth and position to Light Functions
UE - Graphics Features - Oct 14, 2019Users have requested that light depth and light position are made available to Light Function Materials.Light Depth We seem to be calculating the per-pixel distance from the light to the surface in ...
Directional light triggers 'too many overlapping lights' error in forward shading
UE - Graphics Features - Sep 24, 2019The underlying reason seems to be that the stationary lights require SM channels for casting shadows from movable objects and they are assigned channels 0,1,2 by lightmass (or somewhere along the w ...
HLSL translator yields duplicated texture sampling code
UE - Graphics Features - Aug 27, 2019Result: Material will generate following HLSL code inside CalcPixelMaterialInputs(), which results in two PS texture lookups. MaterialFloat4 Local0 = ProcessMaterialLinearColorTextureLookup(Textur ...
Unnecessary reference remains in material instance when using StaticSwitch in material
UE - Graphics Features - Aug 7, 20191.Create a material that switches textures using StaticSwitch. 2.Create a material instance and toggle the switch to overwrite the texture. 3.Then return the static switch settings to their defaul ...
NumNonClothingSections logic is bad
UE - Editor - Content Pipeline - Datasmith - Jul 26, 2019We use the NumNonClothing section number to iterate in the sections, this is an error if the cloth sections are not at the end of the sections array. See the following picture of a search on NumNonC ...
Blueprints: Dragging variables into Categories with camel case naming adds spaces to the Category name; creating a second category in details view
UE - Gameplay - Blueprint Editor - Jul 18, 2019In a blueprint: When dragging a variable onto a Category, and the Category name uses CamelCase, the resulting Category name of the variable will have spaces where the original did not. "TestCategor ...
Texture Object Parameter Being Read Even If It Is Not Used In a Material
UE - Graphics Features - Jul 17, 2019Texture Object Parameter Being Read Even If It Is Not Used In a Material. Working as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 Preview 2 CL# 7321677, 4.24 CL# 7329126 This is ...
Project fails to package when given the name "Test" and Encrypt Pak ini Files is enabled
UE - CoreTech - May 22, 2019Project fails to package when given the name "Test" and Encrypt Pak ini Files is enabled Error: UATHelper: Packaging (Windows (64-bit)): ERROR: No target name was specified on the command-line. ...