NavigationDataChunkActor.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "ActorPartition/PartitionActor.h"
#include "Containers/Array.h"
#include "NavigationDataChunkActor.generated.h"
 
class UNavigationDataChunk;
class UNavigationSystemBase;
 
UCLASS(NotPlaceable, MinimalAPI)
class ANavigationDataChunkActor : public APartitionActor
{
    GENERATED_UCLASS_BODY()
 
public:
#if WITH_EDITOR
    //~ Begin UObject Interface
    ENGINE_API virtual void PostLoad() override;
    ENGINE_API virtual void BeginDestroy() override;
    //~ End UObject Interface
 
    //~ Begin APartitionActor Interface
    ENGINE_API virtual uint32 GetDefaultGridSize(UWorld* InWorld) const override;
    //~ End APartitionActor Interface
    
    ENGINE_API void AddNavigationDataChunkInEditor(const UNavigationSystemBase& NavSys);
#endif // WITH_EDITOR
 
    const TArray<UNavigationDataChunk*>& GetNavDataChunk() const { return NavDataChunks; }
    TArray<TObjectPtr<UNavigationDataChunk>>& GetMutableNavDataChunk() { return NavDataChunks; }
 
    ENGINE_API void CollectNavData(const FBox& QueryBounds, FBox& OutTilesBounds);
 
#if WITH_EDITOR
    ENGINE_API void SetDataChunkActorBounds(const FBox& InBounds);
 
    //~ Begin AActor Interface.
    virtual bool CanChangeIsSpatiallyLoadedFlag() const override { return false; }
    ENGINE_API virtual void GetStreamingBounds(FBox& OutRuntimeBounds, FBox& OutEditorBounds) const override;
    //~ End AActor Interface.
#endif // WITH_EDITOR
 
    virtual FBox GetBounds() const { return DataChunkActorBounds; }
    
protected:
    //~ Begin AActor Interface.
    ENGINE_API virtual void BeginPlay() override;
    ENGINE_API virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override;
    ENGINE_API virtual void GetActorBounds(bool bOnlyCollidingComponents, FVector& OutOrigin, FVector& OutBoxExtent, bool bIncludeFromChildActors) const override;
    //~ End AActor Interface.
 
    ENGINE_API void AddNavigationDataChunkToWorld();
    ENGINE_API void RemoveNavigationDataChunkFromWorld();
    ENGINE_API void Log(const TCHAR* FunctionName) const;
 
    UPROPERTY()
    TArray<TObjectPtr<UNavigationDataChunk>> NavDataChunks;
 
    UPROPERTY()
    FBox DataChunkActorBounds;
};