PointLightComponent.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "Engine/EngineTypes.h"
#include "Components/LocalLightComponent.h"
#include "PointLightComponent.generated.h"
 
class FLightSceneProxy;
 
UCLASS(Blueprintable, ClassGroup=(Lights,Common), hidecategories=(Object, LightShafts), editinlinenew, meta=(BlueprintSpawnableComponent), MinimalAPI)
class UPointLightComponent : public ULocalLightComponent
{
    GENERATED_UCLASS_BODY()
 
    
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category=Light, AdvancedDisplay)
    uint32 bUseInverseSquaredFalloff:1;
 
    UPROPERTY(interp, BlueprintReadOnly, Category=Light, AdvancedDisplay, meta=(UIMin = "2.0", UIMax = "16.0"))
    float LightFalloffExponent;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, interp, Category=Light, meta=(UIMin = "0.0", UIMax = "1000.0", ClampMax = "10000", ShouldShowInViewport = true))
    float SourceRadius;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, interp, Category = Light, meta=(UIMin = "0.0", UIMax = "1000.0", ClampMax = "10000"))
    float SoftSourceRadius;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, interp, Category=Light, meta=(UIMin = "0.0", UIMax = "1000.0", ClampMax = "10000"))
    float SourceLength;
 
    UFUNCTION(BlueprintCallable, Category = "Rendering|Lighting")
    ENGINE_API void SetUseInverseSquaredFalloff(bool bNewValue);
 
    UFUNCTION(BlueprintCallable, Category="Rendering|Lighting")
    ENGINE_API void SetLightFalloffExponent(float NewLightFalloffExponent);
 
    UFUNCTION(BlueprintCallable, Category = "Rendering|Lighting")
    ENGINE_API void SetInverseExposureBlend(float NewInverseExposureBlend);
 
    UFUNCTION(BlueprintCallable, Category="Rendering|Lighting")
    ENGINE_API void SetSourceRadius(float bNewValue);
 
    UFUNCTION(BlueprintCallable, Category = "Rendering|Lighting")
    ENGINE_API void SetSoftSourceRadius(float bNewValue);
 
    UFUNCTION(BlueprintCallable, Category="Rendering|Lighting")
    ENGINE_API void SetSourceLength(float NewValue);
 
public:
 
    ENGINE_API virtual float ComputeLightBrightness() const override;
#if WITH_EDITOR
    ENGINE_API virtual void SetLightBrightness(float InBrightness) override;
#endif
 
    //~ Begin ULightComponent Interface.
    ENGINE_API virtual ELightComponentType GetLightType() const override;
    ENGINE_API virtual float GetUniformPenumbraSize() const override;
    ENGINE_API virtual FLightSceneProxy* CreateSceneProxy() const override;
 
    //~ Begin UObject Interface
    ENGINE_API virtual void Serialize(FArchive& Ar) override;
#if WITH_EDITOR
    ENGINE_API virtual bool CanEditChange(const FProperty* InProperty) const override;
    ENGINE_API virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
#endif // WITH_EDITOR
    //~ End UObject Interface
};