#pragma once

#include "CoreMinimal.h"
#include "PrimitiveSceneProxy.h"
#include "Materials/MaterialRenderProxy.h"

namespace ${NAME}Mesh
{
	/** Buffers filled by GPU culling. */
	struct FDrawInstanceBuffers
	{
		/* Culled instance buffer. */
		FBufferRHIRef InstanceBuffer;
		FUnorderedAccessViewRHIRef InstanceBufferUAV;
		FShaderResourceViewRHIRef InstanceBufferSRV;

		/* IndirectArgs buffer for final DrawInstancedIndirect. */
		FBufferRHIRef IndirectArgsBuffer;
		FUnorderedAccessViewRHIRef IndirectArgsBufferUAV;
	};
}

class ${NAME} final : public FPrimitiveSceneProxy
{
public:
	${NAME}(class ${instance.component.name}* InComponent);

protected:
	//~ Begin FPrimitiveSceneProxy Interface
	virtual SIZE_T GetTypeHash() const override;
	virtual uint32 GetMemoryFootprint() const override;
	virtual void CreateRenderThreadResources() override;
	virtual void DestroyRenderThreadResources() override;
	virtual void OnTransformChanged() override;
	virtual bool HasSubprimitiveOcclusionQueries() const override;
	virtual const TArray<FBoxSphereBounds> *GetOcclusionQueries(const FSceneView *View) const override;
	virtual void AcceptOcclusionResults(const FSceneView *View, TArray<bool> *Results, int32 ResultsStart, int32 NumResults) override;
	virtual FPrimitiveViewRelevance GetViewRelevance(const FSceneView *View) const override;
	virtual void GetDynamicMeshElements(const TArray<const FSceneView *> &Views, const FSceneViewFamily &ViewFamily, uint32 VisibilityMap, FMeshElementCollector &Collector) const override;
	//~ End FPrimitiveSceneProxy Interface

private:
	void BuildOcclusionVolumes(TArrayView<FVector2D> const &InMinMaxData, FIntPoint const &InMinMaxSize, TArrayView<int32> const &InMinMaxMips, int32 InNumLods);

public:
	bool bHiddenInEditor;

	class FMaterialRenderProxy *Material;
	FMaterialRelevance MaterialRelevance;

	bool bCallbackRegistered;

	class ${instance.factory.name} *VertexFactory;
};