BTService_DefaultFocus.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "UObject/UObjectGlobals.h"
#include "InputCoreTypes.h"
#include "BehaviorTree/Services/BTService_BlackboardBase.h"
#include "BTService_DefaultFocus.generated.h"
 
class AActor;
class UBlackboardComponent;
 
struct FBTFocusMemory
{
    AActor* FocusActorSet;
    FVector FocusLocationSet;
    bool bActorSet;
 
    void Reset()
    {
        FocusActorSet = nullptr;
        FocusLocationSet = FAISystem::InvalidLocation;
        bActorSet = false;
    }
};
 
UCLASS(hidecategories=(Service), MinimalAPI)
class UBTService_DefaultFocus : public UBTService_BlackboardBase
{
    GENERATED_BODY()
 
protected:
    // not exposed to users on purpose. Here to make reusing focus-setting mechanics by derived classes possible
    UPROPERTY()
    uint8 FocusPriority;
 
    AIMODULE_API UBTService_DefaultFocus(const FObjectInitializer& ObjectInitializer = FObjectInitializer::Get());
 
    virtual uint16 GetInstanceMemorySize() const override { return sizeof(FBTFocusMemory); }
    AIMODULE_API virtual void InitializeMemory(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory, EBTMemoryInit::Type InitType) const override;
    AIMODULE_API virtual void CleanupMemory(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory, EBTMemoryClear::Type CleanupType) const override;
    AIMODULE_API virtual void OnBecomeRelevant(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory) override;
    AIMODULE_API virtual void OnCeaseRelevant(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory) override;
 
    AIMODULE_API virtual FString GetStaticDescription() const override;
 
    AIMODULE_API EBlackboardNotificationResult OnBlackboardKeyValueChange(const UBlackboardComponent& Blackboard, FBlackboard::FKey ChangedKeyID);
 
#if WITH_EDITOR
    AIMODULE_API virtual FName GetNodeIconName() const override;
#endif // WITH_EDITOR
};