Unreal Engine Issues

Editor crash when delete static mesh actor include in HLOD

Skeletal mesh reduction - Material settings are lost when regenerating the LOD in a mesh with a reduced material section

Following code fixes this issue in FQuadricSkeletalMeshReduction::ReduceSkeletalMesh Section.ChunkedParentSectionIndex = bIsChunkedSection ? CurrentParentSectionIndex : INDEX_NONE; // ...

ProxyLOD plugin generates uninitialized vertices at end of a vertex buffer

ProxyLOD::FQuadricMeshSimplifier::OutputMesh may remove duped verts. The input vertex buffer was resized by numVerts from FQuadricMeshSimplifier before calling OutputMesh. So these behaviors genera ...

Staticmesh "Reimport+LODs" do not recover the material ID for custom LOD

HLOD generation does not respect Custom Primitive Data

HLOD material baking doesn't take into account any custom primitive data set on primitives that contribute to the bake. This was raised in: https://udn.unrealengine.com/questions/574875/proxy-lod- ...

HLOD proxy generation invalidates other clusters

When rebuilding a single HLOD proxy mesh in a world composition level that has many, the other proxy meshes will be marked as unbuilt and removed from the HLOD asset package. ...

Empty Mesh Sections with MergeActors Tool

Map Check will output the following error, which makes no sense: SM_FourCubes_1 - 1 element(s) with zero triangles in static mesh 'SM_FourCubes' ...

HLOD CalculateOverlap crashes when spheres barely overlap

The engine will crash when cluster bounds barely overlap. ...

Both HLOD and StaticMesh Visible in Play Modes

 Both HLOD and StaticMesh Visible in Play Modes. Found in  4.23 CL# 8386587 and 4.25 CL# 8569829 ...

HLOD is Offset when "Use Max LOD As Imposter" Is Enabled

HLOD is Offset when "Use Max LOD As Imposter" Is Enabled Found in 4.23 CL# 8386587, 4.24 CL# 8569829 ...