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53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "UObject/ObjectMacros.h"
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#include "Components/ActorComponent.h"
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#include "AI/Navigation/NavRelevantInterface.h"
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#include "NavRelevantComponent.generated.h"
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UCLASS()
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class NAVIGATIONSYSTEM_API UNavRelevantComponent : public UActorComponent, public INavRelevantInterface
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{
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GENERATED_UCLASS_BODY()
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//~ Begin UActorComponent Interface
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virtual void OnRegister() override;
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virtual void OnUnregister() override;
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//~ End UActorComponent Interface
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//~ Begin INavRelevantInterface Interface
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virtual FBox GetNavigationBounds() const override;
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virtual bool IsNavigationRelevant() const override;
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virtual void UpdateNavigationBounds() override;
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virtual UObject* GetNavigationParent() const override;
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//~ End INavRelevantInterface Interface
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virtual void CalcAndCacheBounds() const;
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UFUNCTION(BlueprintCallable, Category="AI|Navigation")
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void SetNavigationRelevancy(bool bRelevant);
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/** force relevancy and skip attaching navigation data to owner's root entry */
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void ForceNavigationRelevancy(bool bForce);
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/** force refresh in navigation octree */
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void RefreshNavigationModifiers();
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protected:
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/** bounds for navigation octree */
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mutable FBox Bounds;
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/** attach navigation data to entry for owner's root component (depends on its relevancy) */
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UPROPERTY()
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uint32 bAttachToOwnersRoot : 1;
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mutable uint32 bBoundsInitialized : 1;
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UPROPERTY(transient)
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UObject* CachedNavParent;
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};
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