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  3. UBrainComponent

UBrainComponent

Unreal Engine C++ API Reference > Runtime > AIModule

Inheritance Hierarchy

References

   
Module AIModule
Header /Engine/Source/Runtime/AIModule/Classes/BrainComponent.h
Include #include "BrainComponent.h"

Syntax

class UBrainComponent :  
    public UActorComponent,  
    public IAIResourceInterface

Variables

  Type Name Description
Protected variable TObjectPtr< AAIController > AIOwner  
Protected variable TObjectPtr< UBlackboardComponent > BlackboardComp Blackboard component
Protected variable TArray< FAIMessageObserver * > MessageObservers Active message observers
Protected variable TArray< FAIMessage > MessagesToProcess This is a temp contraption to implement delayed messages delivering until proper AI messaging is implemented
Protected variable FAIResourceLock ResourceLock Used to keep track of which subsystem requested this AI resource be locked

Constructors

  Type Name Description
Public function  

UBrainComponent ( const FObjectInitializer& ObjectInitializer
)

  

Functions

  Type Name Description
Public function void END UActorComponent overrides caches BlackboardComponent's pointer to be used with this brain component
Public function Virtual void

Cleanup ()

 AI logic won't be needed anymore, stop all activity and run cleanup
Public function Virtual Const void  
Public function Const AAIController *  
Public function UBlackboardComponent *  
Public function Const const UBlackboardComponent *  
Public function Virtual Const FString  
Public function Virtual void

HandleMessage ( const FAIMessage& Message
)

  
Public function Virtual Const bool  
Public function Virtual Const bool  
Public function Virtual void

PauseLogic ( const FString& Reason
)

 Pause logic and blackboard updates.
Public function void To be called in case we want to restart AI logic while it's still being locked.
Public function Virtual void Restarts currently running or previously ran brain logic.
Public function Virtual EAILogicResuming::Type

ResumeLogic ( const FString& Reason
)

 Resumes paused brain logic. MUST be called by child implementations!
Public function Virtual void Starts brain logic. If brain is already running, will not do anything.
Public function Virtual void

StopLogic ( const FString& Reason
)

 Stops currently running brain logic.

Overridden from UActorComponent

  Type Name Description
Public function Virtual void BEGIN UActorComponent overrides
Public function Virtual void Called when a component is registered, after Scene is set, but before CreateRenderState_Concurrent or OnCreatePhysicsState are called.
Public function Virtual void

TickComponent ( float DeltaTime,
enum ELevelTick TickType,
FActorComponentTickFunction* ThisTickFunction
)

 Function called every frame on this ActorComponent.

Overridden from IAIResourceInterface

  Type Name Description
Public function Virtual void Clear resource lock of the given origin
Public function Virtual void Force-clears all locks on resource
Public function Virtual Const bool Check whether resource is currently locked
Public function Virtual void If resource is lockable lock it with indicated priority

Constants

Name Description
AIMessage_MoveFinished Static names to be used with SendMessage.
AIMessage_QueryFinished  
AIMessage_RepathFailed  

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