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  3. ULearningAgentsCritic

ULearningAgentsCritic

A critic used by some algorithms for training the managed agents.

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&40;BlueprintType, Blueprintable&41;  
class ULearningAgentsCritic : public ULearningAgentsManagerComponent

Remarks

A critic used by some algorithms for training the managed agents.

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 Evaluation
Public function UE::Learning::FNeuralNetwork & Get a reference to this critic's neural network.
Public function UE::Learning::FNeuralNetworkCriticFunction & Get a reference to this critic's critic function object.
Public function Const UFunction BlueprintPure, Category float

GetEstimatedDiscountedReturn ( const int32 AgentId
)

 Gets an estimate of the average discounted return expected by an agent according to the critic.
Public function ULearningAgentsNeuralNetwork * Non-blueprint public interface
Public function UFunction BlueprintCallable, Category void Load a ULearningAgentsNeuralNetwork asset's weights into this critic.
Public function UFunction BlueprintCallable, Category, Meta void Load / Save
Public function UFunction BlueprintCallable, Category, Meta void Save this critic's weights to a ULearningAgentsNeuralNetwork asset.
Public function Const UFunction BlueprintCallable, BlueprintPure, Category, Meta void Save this critic's weights into a snapshot.
Public function UFunction BlueprintCallable, Category void

SetupCritic ( ULearningAgentsInteractor* InInteractor,
const FLearningAgentsCriticSettings& CriticSettings,
ULearningAgentsNeuralNetwork* NeuralNetworkAsset
)

 Initializes this object to be used with the given agent interactor and critic settings.
Public function UFunction BlueprintCallable, Category void Use a ULearningAgentsNeuralNetwork asset directly for this critic rather than making a copy.

Overridden from ULearningAgentsManagerComponent

  Type Name Description
Public function Virtual void

OnAgentsAdded ( const TArray< int32 >& AgentIds
)

 Called whenever agents are added to the parent ALearningAgentsManager object.
Public function Virtual void

OnAgentsRemoved ( const TArray< int32 >& AgentIds
)

 Called whenever agents are removed from the parent ALearningAgentsManager object.
Public function Virtual void

OnAgentsReset ( const TArray< int32 >& AgentIds
)

 Called whenever agents are reset on the parent ALearningAgentsManager object.

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