Struct FDictSpace

struct FDictSpace

A struct representing a dictionary of possible observations or actions.

Public Functions

FDictSpace()

Construct an empty DictSpace.

int Num()

Get the number of spaces in this dictionary.

Returns:

The number of spaces in this dictionary

int GetFlattenedSize() const

Get the number of dimensions, of all spaces in this dictionary after flattening.

Returns:

The number of dimensions

ESpaceValidationResult Validate(FDictPoint &PointMap) const

Validate a point in this space, by checking if all of it’s dimensions pass validation.

Parameters:

PointMap – [in] The point to validate

Returns:

An enum indicating the result of the validation

void NormalizeObservation(FDictPoint &Observations) const

Normalize an observation in this space, by normalizing each of it’s dimensions.

Parameters:

Observations – [inout] The observation to normalize

void Reset()

TSpace &Add(const FString &Key)

Create a new empty space in place in this dictionary.

Parameters:

Key – [in] The label of the space

Returns:

A reference to the newly added space

void Add(const FString &Key, TSpace &Value)

Add a preallocated space from a reference to this dictionary.

Parameters:

• Key – [in] The label of the space

• Value – [in] The BoxSpace to add

void Add(const FString &Key, FBoxSpace &Value)

Add a BoxSpace to this dictionary from a reference.

Parameters:

• Key – [in] The label of the space

• Value – [in] The BoxSpace to add

void Add(const FString &Key, FDiscreteSpace &Value)

Add a DiscreteSpace to this dictionary from a reference.

Parameters:

• Key – [in] The label of the space

• Value – [in] The DiscreteSpace to add

void Add(const FString &Key, FBinarySpace &Value)

Add a BinarySpace to this dictionary from a reference.

Parameters:

• Key – [in] The label of the space

• Value – [in] The BinarySpace to add

void Append(const FDictSpace &Other)

Append another DictSpace to this one.

Parameters:

Other – [in] The DictSpace to append

DictSpace *ToProtobuf() const

Convert this DictSpace to a protobuf message.

Returns:

A protobuf message representing this DictSpace

void FillProtobuf(DictSpace *Msg) const

Fill a protobuf message with the data from this DictSpace.

Parameters:

Msg – [in] The protobuf message to fill

void InitializeEmptyDictPoint(FDictPoint &EmptyPoint)

Configure an empty DictPoint with the correct entries corresponding to this space.

Parameters:

EmptyPoint – [inout] The point to initialize

FDictPoint UnflattenPoint(TArray<float> &FlattenedPoint)

Create an empty DictPoint from a flattened point.

Parameters:

FlattenedPoint – [in] The flattened point buffer to unflatten

Returns:

The unflattened point

FGenericTensorBinding CreateTensorBinding(TArray<float> &Buffer) const

Create an empty Tensor Binding with correct size to hold a point from this DictSpace.

Parameters:

Buffer – [in] The buffer that will contain the memory in the tensor binding

Returns:

The empty tensor binding

FGenericTensorBinding CreateTensorBinding(TArray<float> &Buffer, const FDictPoint &Point) const

Create a Tensor Binding containing a point from this DictSpace.

Parameters:

• Buffer – [inout] The buffer that will contain the memory in the tensor binding

• Point – [in] The point to create a tensor from

Returns:

The tensor binding

inline TSpace &operator[](int Index)

Get a subspace from this DictSpace, from an Index.

Parameters:

Index – [in] The index of the subspace

Returns:

The subspace

inline TSpace &operator[](const FString &Label)

Get a subspace from this DictSpace, from a Label.

Parameters:

Label – [in] The label of the subspace

Returns:

The subspace

Public Members

TArray<FString> Labels

The labels of the spaces in this dictionary, used as keys for lookups.

TArray<TSpace> Spaces

The spaces in this dictionary.