HLOD proxy generation invalidates other clusters

Tools - HLOD - Feb 7, 2020

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

Tools - HLOD - Sep 27, 2019

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

Tools - HLOD - Sep 16, 2019

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

Both HLOD and StaticMesh Visible in Play Modes

Tools - HLOD - Sep 12, 2019

 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

Tools - HLOD - Sep 12, 2019

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

Crash When Building HLODs

Tools - HLOD - Aug 21, 2019

Building HLODs causes a crash. This only seems to occur in some levels as shown in the attached project. Found in 4.22 CL# 7053642, 4.23 CL# 7948402, 4.24 CL# 8124506 ...

GenerateProxyMesh causes incorrect transform in ISM using Scale

Tools - HLOD - Aug 20, 2019

MeshVertex has been converted by component transform before being converted by instance transform. It is ( Vertex * ComponentTransform ) * InstanceTransform. I thought it has to be converted by (Ve ...

HLODs appear to be calculated individually instead of as a group

Tools - HLOD - Mar 26, 2019

The way in which Hierarchical Instance Static Mesh LODs' screen size is calculated appears to have changed. ...

Merged Instanced Static Meshes (Merge Actors tool) not visible when duplicated

Tools - HLOD - Sep 19, 2018

Instanced Static Mesh Actors created with (new in 4.20) ISM Merge tool do not immediately appear when duplicated. Confirmed in 4.21 Main @ CL 4374913 ...

Crash When Substance Material Is Applied to a Mesh In HLOD System

Tools - HLOD - Sep 3, 2018

Crash when Substance material is applied to a mesh included in the HLOD system. Working as expected in 4.19 CL# 4033788. Unable to test issue in 4.21 CL# 4339215 due to plugin dependency. Found in ...