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#review-23929520 #jira none #preflight 63da32f49b664e430f1fac89 [CL 23945515 by Stephen Holmes in ue5-main branch]
70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
// Copyright 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 "Templates/SubclassOf.h"
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#include "NavAreas/NavArea.h"
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#include "NavRelevantComponent.h"
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#include "NavModifierComponent.generated.h"
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struct FNavigationRelevantData;
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UCLASS(ClassGroup = (Navigation), meta = (BlueprintSpawnableComponent), hidecategories = (Activation), config = Engine, defaultconfig)
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class NAVIGATIONSYSTEM_API UNavModifierComponent : public UNavRelevantComponent
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{
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GENERATED_UCLASS_BODY()
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = Navigation)
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TSubclassOf<UNavArea> AreaClass;
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/** box extent used ONLY when owning actor doesn't have collision component */
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UPROPERTY(EditAnywhere, Category = Navigation)
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FVector FailsafeExtent;
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/** Setting to 'true' will result in expanding lower bounding box of the nav
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* modifier by agent's height, before applying to navmesh */
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UPROPERTY(config, EditAnywhere, Category = Navigation)
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uint8 bIncludeAgentHeight : 1;
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virtual void CalcAndCacheBounds() const override;
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virtual void GetNavigationData(FNavigationRelevantData& Data) const override;
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UFUNCTION(BlueprintCallable, Category = "AI|Navigation")
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void SetAreaClass(TSubclassOf<UNavArea> NewAreaClass);
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protected:
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void OnTransformUpdated(USceneComponent* RootComponent, EUpdateTransformFlags UpdateTransformFlags, ETeleportType Teleport);
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#if WITH_EDITOR
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void OnNavAreaRegistered(const UWorld& World, const UClass* NavAreaClass);
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void OnNavAreaUnregistered(const UWorld& World, const UClass* NavAreaClass);
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#endif // WITH_EDITOR
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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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struct FRotatedBox
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{
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FBox Box;
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FQuat Quat;
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FRotatedBox() {}
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FRotatedBox(const FBox& InBox, const FQuat& InQuat) : Box(InBox), Quat(InQuat) {}
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};
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mutable TArray<FRotatedBox> ComponentBounds;
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mutable FDelegateHandle TransformUpdateHandle;
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/** cached in CalcAndCacheBounds and tested in GetNavigationData to see if
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* cached data is still valid */
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mutable FTransform CachedTransform;
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#if WITH_EDITOR
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FDelegateHandle OnNavAreaRegisteredDelegateHandle;
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FDelegateHandle OnNavAreaUnregisteredDelegateHandle;
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#endif // WITH_EDITOR
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};
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