DirectionalLight.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "Engine/Light.h"
#include "DirectionalLight.generated.h"
 
class UArrowComponent;
class UDirectionalLightComponent;
 
UCLASS(ClassGroup=(Lights, DirectionalLights), MinimalAPI, meta=(ChildCanTick))
class ADirectionalLight
    : public ALight
{
    GENERATED_UCLASS_BODY()
 
#if WITH_EDITORONLY_DATA
    // Reference to editor visualization arrow
private:
    UPROPERTY()
    TObjectPtr<UArrowComponent> ArrowComponent;
 
    /* EditorOnly reference to the light component to allow it to be displayed in the details panel correctly */
    UPROPERTY(VisibleAnywhere, Category="Light")
    TObjectPtr<UDirectionalLightComponent> DirectionalLightComponent;
#endif
 
public:
 
    // UObject Interface
    virtual void PostLoad() override;
#if WITH_EDITOR
    virtual void LoadedFromAnotherClass(const FName& OldClassName) override;
    virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
    virtual bool CanChangeIsSpatiallyLoadedFlag() const override { return false; }
    virtual void GetStreamingBounds(FBox& OutRuntimeBounds, FBox& OutEditorBounds) const override { OutRuntimeBounds.Init(); OutEditorBounds.Init(); }
#endif
 
public:
 
#if WITH_EDITORONLY_DATA
    UArrowComponent* GetArrowComponent() const { return ArrowComponent; }
 
    UDirectionalLightComponent* GetComponent() const { return DirectionalLightComponent; }
#endif
};