void PreparePerMeshData ( [FParticleMeshRenderData](API\Plugins\Niagara\FNiagaraRendererMeshes\FParticleMeshRenderData) & ParticleMeshRenderData, const [FNiagaraMeshVertexFactory](API\Plugins\NiagaraVertexFactories\FNiagaraMeshVertexFactory) & VertexFactory, const [FNiagaraSceneProxy](API\Plugins\Niagara\FNiagaraSceneProxy) & SceneProxy, const [FMeshData](API\Plugins\Niagara\FNiagaraRendererMeshes\FMeshData) & MeshData ) const