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This change allow new NavigationSystem created after initial map load (e.g. ANavSystemConfigOverride) to properly recreate its custom nav link mappings and octree. #rb Aris.Theophanidis, mikko.mononen, robert.seiver [CL 32486904 by yoan stamant in 5.4 branch]
92 lines
3.5 KiB
C++
92 lines
3.5 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Subsystems/WorldSubsystem.h"
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#include "UObject/WeakInterfacePtr.h"
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#include "NavigationObjectRepository.generated.h"
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class INavLinkCustomInterface;
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class INavRelevantInterface;
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DECLARE_DELEGATE_OneParam(FOnNavRelevantObjectRegistrationEvent, INavRelevantInterface&);
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DECLARE_DELEGATE_OneParam(FOnCustomNavLinkObjectRegistrationEvent, INavLinkCustomInterface&);
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/**
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* World subsystem dedicated to store different types of navigation related objects that the
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* NavigationSystem needs to access.
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*/
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UCLASS()
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class UNavigationObjectRepository : public UWorldSubsystem
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{
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GENERATED_BODY()
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public:
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/**
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* Adds the provided object implementing INavRelevantInterface to the list of registered navigation relevant objects.
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* @param NavRelevantObject INavRelevantInterface of the object to register.
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* @note Method will also assert if same interface pointers is registered twice.
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*/
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void RegisterNavRelevantObject(INavRelevantInterface& NavRelevantObject);
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/**
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* Removes the provided interface from the list of registered navigation relevant objects.
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* @param NavRelevantObject INavRelevantInterface of the object to unregister.
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* @note Method will also assert if interface can't be removed (i.e. not registered or already unregistered).
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*/
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void UnregisterNavRelevantObject(INavRelevantInterface& NavRelevantObject);
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/**
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* Returns the list of registered navigation relevant objects.
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* @return Const view on the list of all registered navigation relevant objects.
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*/
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TConstArrayView<TWeakInterfacePtr<INavRelevantInterface>> GetNavRelevantObjects() const
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{
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return NavRelevantObjects;
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}
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/**
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* Adds the provided interface to the list of registered custom navigation links.
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* @param CustomNavLinkObject INavLinkCustomInterface of the object to register.
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* @note Method will also assert if same interface pointers is registered twice.
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*/
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void RegisterCustomNavLinkObject(INavLinkCustomInterface& CustomNavLinkObject);
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/**
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* Removes the provided interface from the list of registered custom navigation links.
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* @param CustomNavLinkObject INavLinkCustomInterface of the object to unregister.
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* @note Method will also assert if interface can't be removed (i.e. not registered or already unregistered).
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*/
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void UnregisterCustomNavLinkObject(INavLinkCustomInterface& CustomNavLinkObject);
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/**
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* Returns the list of registered custom navigation links.
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* @return Const view on the list of all registered custom navigation links.
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*/
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TConstArrayView<TWeakInterfacePtr<INavLinkCustomInterface>> GetCustomLinks() const
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{
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return CustomLinkObjects;
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}
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/** Delegate executed when a navigation relevant object is registered to the repository. */
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FOnNavRelevantObjectRegistrationEvent OnNavRelevantObjectRegistered;
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/** Delegate executed when a navigation relevant object is unregistered from the repository. */
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FOnNavRelevantObjectRegistrationEvent OnNavRelevantObjectUnregistered;
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/** Delegate executed when a custom navigation link is registered to the repository. */
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FOnCustomNavLinkObjectRegistrationEvent OnCustomNavLinkObjectRegistered;
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/** Delegate executed when a custom navigation link is unregistered from the repository. */
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FOnCustomNavLinkObjectRegistrationEvent OnCustomNavLinkObjectUnregistered;
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private:
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/** List of registered navigation relevant objects. */
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TArray<TWeakInterfacePtr<INavRelevantInterface>> NavRelevantObjects;
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/** List of registered custom navigation link objects. */
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TArray<TWeakInterfacePtr<INavLinkCustomInterface>> CustomLinkObjects;
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};
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