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UBTDecorator_Blackboard

Blackboard decorator node. A decorator node that bases its condition on a Blackboard key.

Windows

MacOS

Linux

Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UBTNode

UBTAuxiliaryNode

UBTDecorator

UBTDecorator_BlackboardBase

UBTDecorator_Blackboard

	UBTDecorator_ConditionalLoop
	UTestBTDecorator_Blackboard

References

Module	AIModule
Header	/Engine/Source/Runtime/AIModule/Classes/BehaviorTree/Decorators/BTDecorator_Blackboard.h
Include	#include "BehaviorTree/Decorators/BTDecorator_Blackboard.h"

Syntax

class UBTDecorator_Blackboard : public UBTDecorator_BlackboardBase

Remarks

Blackboard decorator node. A decorator node that bases its condition on a Blackboard key.

Variables

	Name	Description
TEnumAsByte< EA...	ArithmeticOperation
TEnumAsByte< EB...	BasicOperation
FString	CachedDescription	Cached description
friend	FBlackboardDecoratorDetails
float	FloatValue	Value for arithmetic operations
int32	IntValue	Value for arithmetic operations
TEnumAsByte< EB...	NotifyObserver	When observer can try to request abort?
uint8	OperationType	Operation type
FString	StringValue	Value for string operations
TEnumAsByte< ET...	TextOperation

Constructors

	Name	Description
	UBTDecorator_Blackboard ( const FObjectInitializer& ObjectIn... )

Functions

		Name	Description
	void	BuildDescription()	Describe decorator and cache it
	bool	EvaluateOnBlackboard ( const UBlackboardComponent& Blackb... )	Take blackboard value and evaluate decorator's condition

Overridden from UBTDecorator_BlackboardBase

		Name	Description
	EBlackboardN...	OnBlackboardKeyValueChange ( const UBlackboardComponent& Blackb..., FBlackboard::FKey ChangedKeyID )	Notify about change in blackboard keys

Overridden from UBTDecorator

		Name	Description
	bool	CalculateRawConditionValue ( UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory )	Calculates raw, core value of decorator's condition. Should not include calling IsInversed

Overridden from UBTNode

	Name	Description
void	DescribeRuntimeValues ( const UBehaviorTreeComponent& Owne..., uint8* NodeMemory, EBTDescriptionVerbosity::Type Verbo..., TArray< FString >& Values )	Gathers description of all runtime parameters
FString	GetStaticDescription()
void	InitializeFromAsset ( UBehaviorTree& Asset )	Initialize any asset related data

Overridden from UObject

		Name	Description
	void	PostEditChangeProperty ( FPropertyChangedEvent& PropertyCha... )	Called when a property on this object has been modified externally

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