83 lines
3.2 KiB
C++
83 lines
3.2 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#if UE_ENABLE_INCLUDE_ORDER_DEPRECATED_IN_5_4
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#include "CoreMinimal.h"
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#endif
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#include "UObject/ObjectMacros.h"
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#include "Templates/SubclassOf.h"
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#include "AI/Navigation/NavRelevantInterface.h"
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#include "AI/Navigation/NavigationTypes.h"
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#include "NavAreas/NavArea.h"
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#include "GameFramework/Volume.h"
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#include "NavModifierVolume.generated.h"
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enum class ENavigationDataResolution : uint8;
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struct FNavigationRelevantData;
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/**
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* Allows applying selected AreaClass to navmesh, using Volume's shape
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*/
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UCLASS(hidecategories=(Navigation), MinimalAPI)
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class ANavModifierVolume : public AVolume, public INavRelevantInterface
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{
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GENERATED_BODY()
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protected:
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/** NavArea to apply inside the defined volume. */
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category=Default)
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TSubclassOf<UNavArea> AreaClass;
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/** When setting this value, the modifier volume behavior changes : it will now replace any surface marked by AreaClassToReplace in the volume and replace it with AreaClass. */
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category=Default)
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TSubclassOf<UNavArea> AreaClassToReplace;
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/** Experimental: if set, the 2D space occupied by the volume box will ignore FillCollisionUnderneathForNavmesh */
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UPROPERTY(EditAnywhere, Category = Default, AdvancedDisplay)
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bool bMaskFillCollisionUnderneathForNavmesh;
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/** Experimental: When not set to None, the navmesh tiles touched by the navigation modifier volume will be built
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* using the highest resolution found. */
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UPROPERTY(EditAnywhere, Category = Default, AdvancedDisplay)
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ENavigationDataResolution NavMeshResolution;
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#if WITH_EDITOR
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FDelegateHandle OnNavAreaRegisteredDelegateHandle;
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FDelegateHandle OnNavAreaUnregisteredDelegateHandle;
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#endif
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public:
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NAVIGATIONSYSTEM_API ANavModifierVolume(const FObjectInitializer& ObjectInitializer);
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UFUNCTION(BlueprintCallable, Category = "AI|Navigation")
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NAVIGATIONSYSTEM_API void SetAreaClass(TSubclassOf<UNavArea> NewAreaClass = nullptr);
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UFUNCTION(BlueprintCallable, Category = "AI|Navigation")
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NAVIGATIONSYSTEM_API void SetAreaClassToReplace(TSubclassOf<UNavArea> NewAreaClassToReplace = nullptr);
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TSubclassOf<UNavArea> GetAreaClass() const { return AreaClass; }
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TSubclassOf<UNavArea> GetAreaClassToReplace() const { return AreaClassToReplace; }
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NAVIGATIONSYSTEM_API virtual void GetNavigationData(FNavigationRelevantData& Data) const override;
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NAVIGATIONSYSTEM_API virtual FBox GetNavigationBounds() const override;
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NAVIGATIONSYSTEM_API virtual void RebuildNavigationData() override;
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#if WITH_EDITOR
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NAVIGATIONSYSTEM_API virtual void PostEditUndo() override;
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NAVIGATIONSYSTEM_API virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
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#endif
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protected:
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NAVIGATIONSYSTEM_API virtual void PostInitProperties() override;
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NAVIGATIONSYSTEM_API virtual void BeginDestroy() override;
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#if WITH_EDITOR
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NAVIGATIONSYSTEM_API virtual void PostRegisterAllComponents() override;
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NAVIGATIONSYSTEM_API virtual void PostUnregisterAllComponents() override;
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NAVIGATIONSYSTEM_API void OnNavAreaRegistered(const UWorld& World, const UClass* NavAreaClass);
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NAVIGATIONSYSTEM_API void OnNavAreaUnregistered(const UWorld& World, const UClass* NavAreaClass);
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#endif
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};
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