Linker error when trying to access vertex data

Development Programming & Scripting C++
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1

error LNK2001: unresolved external symbol “public: virtual void __cdecl FPositionVertexBuffer::InitRHI(void)”
I get this error when trying to access the PositionVertexBuffer in the following way:

auto vertexBuffer = mColorSpreadComponent->StaticMesh->RenderData->LODResources[0].PositionVertexBuffer;
for (uint32 i = 0; i < vertexBuffer.GetNumVertices(); ++i)
{
	FWVertexData v;
	v.mIndex = i;
	v.mPosition = vertexBuffer.VertexPosition(i);
	mVertecies.Add(v);
}

Which modules do I need apart from RenderCore, ShaderCore and RHI?

2

Anyone? I’ve been searching non-stop for two hours now, and I still have no idea what I’m missing. I’ve been all over the forums and there are people using VertexPosition from the VertexBuffer, but they don’t mention any module includes.

3

Okay, so I found the problem. You must point to the data (obviously), which I forgot to do. Aka

auto vertexBuffer = &mColorSpreadComponent->StaticMesh->RenderData->LODResources[0].

instead of

auto vertexBuffer = mColorSpreadComponent->StaticMesh->RenderData->LODResources[0].