SceneHitProxyRendering.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
/*=============================================================================
    SceneHitProxyRendering.h: Scene hit proxy rendering.
=============================================================================*/
 
#pragma once
 
#include "CoreMinimal.h"
#include "RHI.h"
#include "HitProxies.h"
#include "MeshPassProcessor.h"
 
class FPrimitiveSceneProxy;
class FScene;
class FStaticMeshBatch;
 
#if WITH_EDITOR
 
class FHitProxyMeshProcessor : public FSceneRenderingAllocatorObject<FHitProxyMeshProcessor>, public FMeshPassProcessor
{
public:
 
    FHitProxyMeshProcessor(const FScene* Scene, const FSceneView* InViewIfDynamicMeshCommand, bool InbAllowTranslucentPrimitivesInHitProxy, const FMeshPassProcessorRenderState& InRenderState, FMeshPassDrawListContext* InDrawListContext);
 
    virtual void AddMeshBatch(const FMeshBatch& RESTRICT MeshBatch, uint64 BatchElementMask, const FPrimitiveSceneProxy* RESTRICT PrimitiveSceneProxy, int32 StaticMeshId = -1) override final;
 
    FMeshPassProcessorRenderState PassDrawRenderState;
 
 
private:
    bool TryAddMeshBatch(const FMeshBatch& RESTRICT MeshBatch, uint64 BatchElementMask, const FPrimitiveSceneProxy* RESTRICT PrimitiveSceneProxy, int32 StaticMeshId, const FMaterialRenderProxy* MaterialRenderProxy, const FMaterial* Material);
 
    bool Process(
        const FMeshBatch& MeshBatch,
        uint64 BatchElementMask,
        int32 StaticMeshId,
        const FPrimitiveSceneProxy* RESTRICT PrimitiveSceneProxy,
        const FMaterialRenderProxy& RESTRICT MaterialRenderProxy,
        const FMaterial& RESTRICT MaterialResource,
        ERasterizerFillMode MeshFillMode,
        ERasterizerCullMode MeshCullMode);
 
    const bool bAllowTranslucentPrimitivesInHitProxy;
};
 
 
class FEditorSelectionMeshProcessor : public FSceneRenderingAllocatorObject<FEditorSelectionMeshProcessor>, public FMeshPassProcessor
{
public:
 
    FEditorSelectionMeshProcessor(const FScene* Scene, const FSceneView* InViewIfDynamicMeshCommand, FMeshPassDrawListContext* InDrawListContext);
 
    virtual void AddMeshBatch(const FMeshBatch& RESTRICT MeshBatch, uint64 BatchElementMask, const FPrimitiveSceneProxy* RESTRICT PrimitiveSceneProxy, int32 StaticMeshId = -1) override final;
 
    FMeshPassProcessorRenderState PassDrawRenderState;
 
private:
    bool TryAddMeshBatch(const FMeshBatch& RESTRICT MeshBatch, uint64 BatchElementMask, const FPrimitiveSceneProxy* RESTRICT PrimitiveSceneProxy, int32 StaticMeshId, const FMaterialRenderProxy* MaterialRenderProxy, const FMaterial* Material);
 
    bool Process(
        const FMeshBatch& MeshBatch,
        uint64 BatchElementMask,
        int32 StaticMeshId,
        const FPrimitiveSceneProxy* RESTRICT PrimitiveSceneProxy,
        const FMaterialRenderProxy& RESTRICT MaterialRenderProxy,
        const FMaterial& RESTRICT MaterialResource,
        ERasterizerFillMode MeshFillMode,
        ERasterizerCullMode MeshCullMode);
 
    int32 GetStencilValue(const FSceneView* View, const FPrimitiveSceneProxy* PrimitiveSceneProxy);
 
    TMap<const FPrimitiveSceneProxy*, int32> ProxyToStencilIndex;
    TMap<FName, int32> ActorNameToStencilIndex;
};
 
class FEditorLevelInstanceMeshProcessor : public FSceneRenderingAllocatorObject<FEditorLevelInstanceMeshProcessor>, public FMeshPassProcessor
{
public:
    FEditorLevelInstanceMeshProcessor(const FScene* Scene, const FSceneView* InViewIfDynamicMeshCommand, FMeshPassDrawListContext* InDrawListContext);
 
    virtual void AddMeshBatch(const FMeshBatch& RESTRICT MeshBatch, uint64 BatchElementMask, const FPrimitiveSceneProxy* RESTRICT PrimitiveSceneProxy, int32 StaticMeshId = -1) override final;
 
    FMeshPassProcessorRenderState PassDrawRenderState;
 
private:
    bool TryAddMeshBatch(const FMeshBatch& RESTRICT MeshBatch, uint64 BatchElementMask, const FPrimitiveSceneProxy* RESTRICT PrimitiveSceneProxy, int32 StaticMeshId, const FMaterialRenderProxy* MaterialRenderProxy, const FMaterial* Material);
 
    bool Process(
        const FMeshBatch& MeshBatch,
        uint64 BatchElementMask,
        int32 StaticMeshId,
        const FPrimitiveSceneProxy* RESTRICT PrimitiveSceneProxy,
        const FMaterialRenderProxy& RESTRICT MaterialRenderProxy,
        const FMaterial& RESTRICT MaterialResource,
        ERasterizerFillMode MeshFillMode,
        ERasterizerCullMode MeshCullMode);
 
    int32 GetStencilValue(const FSceneView* View, const FPrimitiveSceneProxy* PrimitiveSceneProxy);
};
 
#endif