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  3. ULearningAgentsCritic

ULearningAgentsCritic

A critic used for training the policy.

API > API/Plugins > API/Plugins/LearningAgents

Inheritance Hierarchy

References

   
Module LearningAgents
Header /Engine/Plugins/Experimental/LearningAgents/Source/LearningAgents/Public/LearningAgentsCritic.h
Include #include "LearningAgentsCritic.h"

Syntax

UCLASS (BlueprintType, Blueprintable, Meta=(BlueprintSpawnableComponent))  
class ULearningAgentsCritic : public ULearningAgentsManagerListener

Remarks

A critic used for training the policy. Can be used at inference time to estimate the discounted returns.

Constructors

  Type Name Description
Public function   These constructors/destructors are needed to make forward declarations happy.
Public function    

Destructors

  Type Name Description
Public function Virtual    

Functions

  Type Name Description
Public function UFunction BlueprintCallable, Category void -- Blueprint public interface --
Public function UFunction BlueprintPure, Category ULearningAgentsNeuralNetwork * Gets the current Network Asset being used
Public function UE::Learning::FNeuralNetworkCritic & -- Non-blueprint public interface --
Public function Const UFunction BlueprintPure, Category, Meta float Gets an estimate of the average discounted return expected by an agent according to the critic.
Public function Static UFunction BlueprintCallable, Category, Meta ULearningAgentsCritic *

MakeCritic ( ULearningAgentsManager*& InManager,
ULearningAgentsInteractor*& InInteractor,
ULearningAgentsPolicy*& InPolicy,
TSubclassOf< ULearningAgentsCritic > Class,
const FName Name,
ULearningAgentsNeuralNetwork* CriticNeuralNetworkAsset,
const bool bReinitializeCriticNetwork,
const FLearningAgentsCriticSettings& CriticSettings,
const int32 Seed
)

 Constructs a Critic to be used with the given agent interactor and critic settings.
Public function Virtual void

OnAgentsAdded_Implementation ( const TArray< int32 >& AgentIds
)

  
Public function Virtual void  
Public function Virtual void

OnAgentsReset_Implementation ( const TArray< int32 >& AgentIds
)

  
Public function UFunction BlueprintCallable, Category, Meta void

SetupCritic ( ULearningAgentsManager*& InManager,
ULearningAgentsInteractor*& InInteractor,
ULearningAgentsPolicy*& InPolicy,
ULearningAgentsNeuralNetwork* CriticNeuralNetworkAsset,
const bool bReinitializeCriticNetwork,
const FLearningAgentsCriticSettings& CriticSettings,
const int32 Seed
)

 Initializes a critic to be used with the given agent interactor and critic settings.

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