Unreal Engine Issues
Unreal Engine Issues
Vertex Painting on Blueprint Static Mesh components lost on copy
UE - Gameplay - Components - Sep 1, 2015After vertex painting on a Static Mesh component of a Blueprint, the Vertex paint data is lost when the Blueprint is copied. Oddly, pasting into a text editor shows VertexColorData, but it seems to ...
Lightmass GI doesn't work with Material-based color changes
UE - Graphics Features - Sep 4, 2015A licensee is having trouble getting the visual results they want because Lightmass doesn't seem to handle color changes from materials. They are seeing this in 2 cases: (See attached images and tes ...
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 ...
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 ...
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: Changing Material Property Overrides of Material Instance
UE - Graphics Features - Dec 14, 2016When a material has a static bool parameter AND this is overridden in a material instance, Trying to change Blend Mode or Shading Model under the Material Property Overrides crashes the editor. Thi ...