Struct FDiscreteSpace

struct FDiscreteSpace : public FSpace

A struct representing a Discrete space (e.g.

Vector of integers) of possible observations or actions.

Public Functions

FDiscreteSpace()

Construct an empty DiscreteSpace.

void Copy(const FDiscreteSpace &Other)

Copy construct a DiscreteSpace.

Parameters:

Other – [in] The DiscreteSpace to copy

void Merge(const FDiscreteSpace &Other)

Merge another DiscreteSpace into this one.

Parameters:

Other – [in] The DiscreteSpace to merge

void Add(int DimSize)

Add a dimension to this DiscreteSpace.

Parameters:

DimSize – [in] The maximum value of the dimension

virtual ~FDiscreteSpace()

void FillProtobuf(DiscreteSpace *Msg) const

fill a protobuf message with the data from this DiscreteSpace

Parameters:

Msg – [in] A ptr to the protobuf message to fill

void FillProtobuf(DiscreteSpace &Msg) const

fill a protobuf message with the data from this DiscreteSpace

Parameters:

Msg – [in] A ref to the protobuf message to fill

int GetMaxValue(const TArray<float> &Vector) const

Get the3 index of the maximum value in an Array of Values.

Parameters:

Vector – [in] The vector to get the maximum values index from

Returns:

The index of the maximum value in the vector

virtual void FillProtobuf(FundamentalSpace *Msg) const override

Fill a protobuf message with the data from this space.

Parameters:

Msg – [in] The protobuf message to fill

virtual int GetNumDimensions() const override

Get the number of dimensions in this space.

Returns:

The number of dimensions in this space

virtual ESpaceValidationResult Validate(TPoint &Observation) const override

Test if an observation is in this space.

Parameters:

Observation – [in] The observation to validate

Returns:

An enum indicating the result of the validation

virtual int GetFlattenedSize() const override

Get the size of the flattened representation of this space.

Returns:

The size of the flattened representation of this space

virtual bool IsEmpty() const override

Check if this space is empty.

Returns:

True if this space is empty, false otherwise

virtual TPoint MakeTPoint() const override

Create a TPoint from this space.

Returns:

A TPoint belonging to this space, with correctly set variant type.

virtual void NormalizeObservation(TPoint &Observation) const

Normalize an observation in this space.

Parameters:

Observation – [inout] The observation to normalize

virtual TPoint UnflattenAction(const TArray<float> &Data, int Offset = 0) const override

Unflatten an action from a buffer.

Parameters:

• Data – [in] The buffer to unflatten from

• Offset – [in] The offset into the buffer to start unflattening from

virtual void FlattenPoint(TArrayView<float> Buffer, const TPoint &Point) const override

Flatten a point into a buffer.

Parameters:

• Buffer – [inout] The buffer to flatten into

• Point – [in] The point to flatten

Public Members

TArray<int> High = TArray<int>()

The maximum value on each dimension of this DiscreteSpace.

The Lower bound is always 0. e.g. High=2 gives actions {0,1}