BTDecorator_KeepInCone.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "BehaviorTree/BehaviorTreeTypes.h"
#include "BehaviorTree/BTDecorator.h"
#include "BehaviorTree/ValueOrBBKey.h"
#include "BTDecorator_KeepInCone.generated.h"
 
class UBehaviorTree;
 
struct FBTKeepInConeDecoratorMemory
{
    FVector InitialDirection;
};
 
UCLASS(HideCategories=(Condition), MinimalAPI)
class UBTDecorator_KeepInCone : public UBTDecorator
{
    GENERATED_UCLASS_BODY()
 
    typedef FBTKeepInConeDecoratorMemory TNodeInstanceMemory;
 
    UPROPERTY(Category=Decorator, EditAnywhere)
    FValueOrBBKey_Float ConeHalfAngle;
    
    UPROPERTY(EditAnywhere, Category=Blackboard)
    FBlackboardKeySelector ConeOrigin;
 
    UPROPERTY(EditAnywhere, Category=Blackboard)
    FBlackboardKeySelector Observed;
 
    // deprecated, set value of ConeOrigin on initialization
    UPROPERTY()
    uint32 bUseSelfAsOrigin:1;
 
    // deprecated, set value of Observed on initialization
    UPROPERTY()
    uint32 bUseSelfAsObserved:1;
 
    float GetConeHalfAngleDot(const UBehaviorTreeComponent& OwnerComp) const;
 
    AIMODULE_API virtual void InitializeFromAsset(UBehaviorTree& Asset) override;
    AIMODULE_API virtual uint16 GetInstanceMemorySize() const override;
    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 DescribeRuntimeValues(const UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory, EBTDescriptionVerbosity::Type Verbosity, TArray<FString>& Values) const override;
    AIMODULE_API virtual FString GetStaticDescription() const override;
 
#if WITH_EDITOR
    AIMODULE_API virtual FName GetNodeIconName() const override;
    AIMODULE_API virtual FString GetErrorMessage() const override;
#endif // WITH_EDITOR
 
protected:
 
    AIMODULE_API virtual void OnBecomeRelevant(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory) override;
    AIMODULE_API virtual void TickNode(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory, float DeltaSeconds) override;
 
    AIMODULE_API bool CalculateCurrentDirection(const UBehaviorTreeComponent& OwnerComp, FVector& Direction) const;
};