NavRelevantComponent.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#if UE_ENABLE_INCLUDE_ORDER_DEPRECATED_IN_5_4
#include "CoreMinimal.h"
#endif
#include "UObject/ObjectMacros.h"
#include "Components/ActorComponent.h"
#include "AI/Navigation/NavRelevantInterface.h"
#include "NavRelevantComponent.generated.h"
 
UCLASS(MinimalAPI)
class UNavRelevantComponent : public UActorComponent, public INavRelevantInterface
{
    GENERATED_UCLASS_BODY()
 
    //~ Begin UActorComponent Interface
    NAVIGATIONSYSTEM_API virtual void OnRegister() override;
    NAVIGATIONSYSTEM_API virtual void OnUnregister() override;
    //~ End UActorComponent Interface
 
    //~ Begin INavRelevantInterface Interface
    NAVIGATIONSYSTEM_API virtual FBox GetNavigationBounds() const override;
    NAVIGATIONSYSTEM_API virtual bool IsNavigationRelevant() const override;
    NAVIGATIONSYSTEM_API virtual void UpdateNavigationBounds() override;
    NAVIGATIONSYSTEM_API virtual UObject* GetNavigationParent() const override;
    //~ End INavRelevantInterface Interface
    
    NAVIGATIONSYSTEM_API virtual void CalcAndCacheBounds() const;
 
    UFUNCTION(BlueprintCallable, Category="AI|Navigation")
    NAVIGATIONSYSTEM_API void SetNavigationRelevancy(bool bRelevant);
 
    NAVIGATIONSYSTEM_API void ForceNavigationRelevancy(bool bForce);
 
    NAVIGATIONSYSTEM_API void RefreshNavigationModifiers();
    
protected:
 
    mutable FBox Bounds;
    
    UPROPERTY()
    uint32 bAttachToOwnersRoot : 1;
 
    mutable uint32 bBoundsInitialized : 1;
    uint32 bNavParentCacheInitialized : 1;
 
    UPROPERTY(transient)
    TObjectPtr<UObject> CachedNavParent;
};