Accessing positions and indices of UGeometryCacheComponent

Development Programming & Scripting C++
1

Hi all,

I have found an article on accessing data for Static Meshes (Accessing Vertex Positions of static mesh - C++ Gameplay Programming - Unreal Engine Forums), but I am struggling with UGeometryCacheComponent.

Does anyone know how to access the vertex positions and triangle indices of a UGeometryCacheComponent at the current frame via c++?

Any help would be much appreciated.

Thanks so much,
Sebastian

2

So, looks like FGeometryCacheMeshData contains what I need, but I am struggling to access it.
I found this api:


UGeometryCache cache = /*get cache from component*/;
UGeometryCacheTrack* const track = cache.Tracks 0 ];
UGeometryCacheTrackStreamable* streamableTrack = Cast< UGeometryCacheTrackStreamable >( cache.Tracks 0 ] );
FGeometryCacheTrackStreamableRenderResource* res = streamableTrack->GetRenderResource();
FGeometryCacheMeshData meshData;
const bool result = res->DecodeMeshData( 0, meshData );

But I am getting


error LNK2019: unresolved external symbol "public: bool __cdecl FGeometryCacheTrackStreamableRenderResource::DecodeMeshData(int,struct FGeometryCacheMeshData &)" (?DecodeMeshData@FGeometryCacheTrackStreamableRenderResource@@QEAA_NHAEAUFGeometryCacheMeshData@@@Z) referenced in function ...

I have already added “GeometryCache” to my PublicDependencyModuleNames but am still getting the linker error.

Any ideas?

Any help would be much appreciated.

Cheers,
Sebastian