RectLightSceneProxy.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
/*=============================================================================
    RectLightSceneProxy.h: FRectLightSceneProxy definition.
=============================================================================*/
 
#pragma once
 
#include "CoreMinimal.h"
#include "Components/RectLightComponent.h"
#include "LocalLightSceneProxy.h"
#include "SceneManagement.h"
 
 
class FRectLightSceneProxy : public FLocalLightSceneProxy
{
public:
    float       SourceWidth;
    float       SourceHeight;
    float       BarnDoorAngle;
    float       BarnDoorLength;
    UTexture*   SourceTexture;
    uint32      RectAtlasId;
    float       LightFunctionConeAngleTangent;  // Use Ortho projection if 0
    FVector4f   SourceTextureScaleOffset;
 
    FRectLightSceneProxy(const URectLightComponent* Component);
    virtual ~FRectLightSceneProxy();
 
    virtual bool IsRectLight() const override;
 
    virtual bool HasSourceTexture() const override;
 
    virtual void GetLightShaderParameters(FLightRenderParameters& OutLightParameters, uint32 Flags=0) const override;
 
    virtual bool GetWholeSceneProjectedShadowInitializer(const FSceneViewFamily& ViewFamily, TArray<FWholeSceneProjectedShadowInitializer, TInlineAllocator<6> >& OutInitializers) const;
};