NavAreaBase.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "UObject/Object.h"
#include "Templates/SubclassOf.h"
#include "NavAreaBase.generated.h"
 
struct FNavAgentProperties;
 
// a stub class. Actual implementation in NavigationSystem module.
UCLASS(DefaultToInstanced, abstract, Config = Engine, MinimalAPI)
class UNavAreaBase : public UObject
{
    GENERATED_BODY()
 
protected:
    uint8 bIsMetaArea : 1;
 
public:
    ENGINE_API UNavAreaBase(const FObjectInitializer& ObjectInitializer = FObjectInitializer::Get());
 
    // leftover from NavigationSystem extraction from the Engine code
    virtual bool IsLowArea() const { return false; }
    virtual bool IsMetaArea() const { return (bIsMetaArea != 0); }
 
    static TSubclassOf<UNavAreaBase> PickAreaClassForAgent(TSubclassOf<UNavAreaBase> AreaClass, const AActor& Actor, const FNavAgentProperties& NavAgent)
    {
        const UNavAreaBase* CDO = AreaClass.Get() ? AreaClass->GetDefaultObject<const UNavAreaBase>() : nullptr;
        return CDO && CDO->IsMetaArea()
            ? CDO->PickAreaClassForAgent(Actor, NavAgent)
            : AreaClass;
    }
    
 
protected:
    ENGINE_API virtual TSubclassOf<UNavAreaBase> PickAreaClassForAgent(const AActor& Actor, const FNavAgentProperties& NavAgent) const;
};