NavModifierVolume.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 "Templates/SubclassOf.h"
#include "AI/Navigation/NavRelevantInterface.h"
#include "AI/Navigation/NavigationTypes.h"
#include "NavAreas/NavArea.h"
#include "GameFramework/Volume.h"
#include "NavModifierVolume.generated.h"
 
enum class ENavigationDataResolution : uint8;
 
struct FNavigationRelevantData;
 
UCLASS(hidecategories=(Navigation), MinimalAPI)
class ANavModifierVolume : public AVolume, public INavRelevantInterface
{
    GENERATED_BODY()
 
protected:
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category=Default)
    TSubclassOf<UNavArea> AreaClass;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category=Default)
    TSubclassOf<UNavArea> AreaClassToReplace;
 
    UPROPERTY(EditAnywhere, Category = Default, AdvancedDisplay)
    bool bMaskFillCollisionUnderneathForNavmesh;
 
    UPROPERTY(EditAnywhere, Category = Default, AdvancedDisplay)
    ENavigationDataResolution NavMeshResolution;
 
#if WITH_EDITOR
    FDelegateHandle OnNavAreaRegisteredDelegateHandle;
    FDelegateHandle OnNavAreaUnregisteredDelegateHandle;
#endif
 
public:
    NAVIGATIONSYSTEM_API ANavModifierVolume(const FObjectInitializer& ObjectInitializer);
 
    UFUNCTION(BlueprintCallable, Category = "AI|Navigation")
    NAVIGATIONSYSTEM_API void SetAreaClass(TSubclassOf<UNavArea> NewAreaClass = {});
    UFUNCTION(BlueprintCallable, Category = "AI|Navigation")
    NAVIGATIONSYSTEM_API void SetAreaClassToReplace(TSubclassOf<UNavArea> NewAreaClassToReplace = {});
 
    TSubclassOf<UNavArea> GetAreaClass() const { return AreaClass; }
    TSubclassOf<UNavArea> GetAreaClassToReplace() const { return AreaClassToReplace; }
 
    NAVIGATIONSYSTEM_API virtual void GetNavigationData(FNavigationRelevantData& Data) const override;
    NAVIGATIONSYSTEM_API virtual FBox GetNavigationBounds() const override;
    NAVIGATIONSYSTEM_API virtual void RebuildNavigationData() override;
 
#if WITH_EDITOR
    NAVIGATIONSYSTEM_API virtual void PostEditUndo() override;
    NAVIGATIONSYSTEM_API virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
#endif
 
protected:
    NAVIGATIONSYSTEM_API virtual void PostInitProperties() override;
    NAVIGATIONSYSTEM_API virtual void BeginDestroy() override;
 
#if WITH_EDITOR
    NAVIGATIONSYSTEM_API virtual void PostRegisterAllComponents() override;
    NAVIGATIONSYSTEM_API virtual void PostUnregisterAllComponents() override;
 
    NAVIGATIONSYSTEM_API void OnNavAreaRegistered(const UWorld& World, const UClass* NavAreaClass);
    NAVIGATIONSYSTEM_API void OnNavAreaUnregistered(const UWorld& World, const UClass* NavAreaClass);
#endif
};