Unreal Engine Issues
Unreal Engine Issues
Material Instance Parameters "reset to default" button always shows, even if value is default
UE - Rendering - Architecture - Materials - Sep 9, 2015No matter if the value of a parameter you override in a Material Instance is the same as it's parent or not, it always shows the "reset to default" button. See static bool param in the images below: ...
Migrating a Material Instance pulls along its preview mesh and all associated materials and textures
UE - Rendering - Architecture - Materials - Sep 14, 2015A licensee has complained that if you assign a preview mesh to a Material Instance, it becomes a referenced asset, so migrating that MatInst will also migrate that mesh and whatever material is assi ...
Refraction not working with MakeMaterialAttributes
UE - Graphics Features - Sep 14, 2015When setting a material to Use Material Attributes and then feeding in a Refraction value with MakeMaterialAttributes, the refraction doesn't work properly Reported in 4.8, but I tested in Main as ...
Level Blueprint's Parent Class can be set to another Level Blueprint's generated class
UE - Gameplay - Blueprint - Sep 16, 2015You can assign the Parent Class of Level Blueprint to be the generated class of another Level Blueprint, which gives you the following "Graph is linked to object(s) in external map" error if you try ...
Packaging a plugin from Plugins Editor UI wipes the target folder before packaging
UE - Foundation - Cpp Tools - Plugin System - Sep 23, 2016"Package Plugin" from Plugin Editor UI will wipe the target folder’s contents first then populate it with plugin files. User was expecting “Package Project” like behavior: Create a new folder in th ...
Html5 packaging fails on Windows if the user has HOME env var
UE - Platform - Mobile - Oct 3, 2016If user has HOME env var, Html5 packaging creates .emscripten folder within the location specified by HOME, not the expected intermediate location(like C:\Program Files\Epic Games\4.13\Engine\Interm ...
Root Motion (RMFE) - Blend with cached pose causes inaccurate root motion
UE - Anim - Gameplay - May 28, 2015With Root Motion From Everything enabled, a Blend node gives different results when feeding it Animation Sequences directly or when first using a Cached Pose. *Simple test project attached Two sce ...
Overriding a static parameter in a material instance but not changing the value unnecessarily duplicates shader code
UE - Graphics Features - Sep 9, 2015When you have a Material with a static parameter and an Instance of that Material that has the "override" checkbox checked for that static parameter, but has the value set to the same value as the p ...
ShaderComplexity doesn't work correctly with ScreenPercentage
UE - Graphics Features - Apr 20, 2016ShaderComplexity doesn't work correctly with ScreenPercentage Original(ScreenPercentage: 83.33)[Image Removed] ShaderComplexity[Image Removed] ...
Crash: Using Sequencer to attach an actor with multiple skeletal mesh components crashes the editor
UE - Anim - Sequencer - Nov 30, 2016When using an Attach track in sequencer to attach an actor that contains more than one skeletal mesh component, the UI to choose which mesh component to attach to pops up, but then the editor hangs ...