Loading instanced static mesh causes memory leak in packaged game

Tools - Foliage - Mar 3, 2021

The leaking variable is UInstancedStaticMeshComponent::InstanceDataBuffers. The memory block is passed to InitPerInstanceRenderData() via InstanceDataBuffers.Release(). But the function doesn't mana ...

The HISM will have double drawcalls when player opens r.Mobile.AllowDitheredLODTransition

Tools - Foliage - Nov 2, 2020

Please check the Function GetDynamicMeshElements in HierarchicalInstancedStaticMesh.cpp. The  Function Traverse in GetDynamicMeshElements will always return two Lod levels, even the transition is f ...

"ShowFlag.InstancedFoliage 0" hides HISMC

Tools - Foliage - Jul 29, 2020

Hierarchical Instanced Static Mesh components that contain no foliage are disappearing when ShowFlag.InstancedFoliage 0 is used. This was reported and tested in 4.24.3 (CL-11590370) and reproduced ...

Support Collision View for HISM

Tools - Foliage - Jun 9, 2020

Landscape Grass does not spawn initially outside Foliage Mode

Tools - Foliage - Mar 26, 2020

Foliage spawned from Landscape Materials is not initially created. The user must enter Foliage Mode before the refresh is pushed and foliage is created. I can reproduce this issue with or without E ...

Landscape Grass renders offset from Landscapes

Tools - Foliage - Mar 24, 2020

Foliage spawned from Landscape Materials is rendering offset from the Landscape the material is applied to. I can reproduce this issue with or without Edit Layers enabled. I'm unable to reproduce ...

Landscape Grass scale not applied when min and max are same value

Tools - Foliage - Feb 13, 2020

If min and max scale are the same in a LandscapeGrassType asset, scale will not be applied. Confirmed in 4.25 MAIN @ CL 11318998 ...

Instanced Foliage Actor painted on an Actor who is attached to a Parent Actor, does not update transform when Parent is moved.

Tools - Foliage - Dec 2, 2019

Instanced Foilage Actor painted on an Actor who is attached to a Parent Actor, does not update transform when Parent is moved. Note:  The foliage will move if the base actor is moved directly, inde ...

Foliage Actors Orphaned on Blueprint Compile

Tools - Foliage - Oct 18, 2019

Recompiling a foliage painted actor bp will orphan already painted actors. ...

Unexpected foliage instances are duplicated

Tools - Foliage - Oct 16, 2019