#include <cliff_world_env.h>

Inheritance diagram for bitrl::envs::gymnasium::CliffWorld:

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Collaboration diagram for bitrl::envs::gymnasium::CliffWorld:

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Public Types
typedef std::vector< std::tuple< real_t, uint_t, real_t, bool > >	dynamics_type
	dynamics_t

typedef ToyTextEnvBase< TimeStep< uint_t >, 37, 4 >::base_type	base_type
	The base type.

typedef base_type::time_step_type	time_step_type
	The time step type we return every time a step in the environment is performed.

typedef base_type::state_space_type	state_space_type
	The type describing the state space for the environment.

typedef base_type::action_space_type	action_space_type
	The type of the action space for the environment.

typedef base_type::action_type	action_type
	The type of the action to be undertaken in the environment.

typedef base_type::state_type	state_type
	The type of the action to be undertaken in the environment.

Public Types inherited from bitrl::envs::gymnasium::ToyTextEnvBase< TimeStep< uint_t >, 37, 4 >
typedef GymnasiumEnvBase< TimeStep< uint_t >, ScalarDiscreteEnv< state_end, action_end, 0, 0 > >::base_type	base_type
	The base_type.

typedef base_type::time_step_type	time_step_type
	The time step type we return every time a step in the environment is performed.

typedef base_type::state_space_type	state_space_type
	The type describing the state space for the environment.

typedef base_type::action_space_type	action_space_type
	The type of the action space for the environment.

typedef base_type::action_type	action_type
	The type of the action to be undertaken in the environment.

typedef base_type::state_type	state_type
	The type of the state.

typedef std::vector< std::tuple< real_t, uint_t, real_t, bool > >	dynamics_t
	dynamics_t

Public Types inherited from bitrl::envs::gymnasium::GymnasiumEnvBase< TimeStepType, SpaceType >
typedef EnvBase< TimeStepType, SpaceType >	base_type
	Base environment type alias.

typedef base_type::time_step_type	time_step_type
	Time step returned at each environment step.

typedef base_type::state_space_type	state_space_type
	Type describing the observation/state space of the environment.

typedef base_type::action_space_type	action_space_type
	Type describing the action space of the environment.

typedef base_type::action_type	action_type
	Type representing a valid action to execute.

typedef base_type::state_type	state_type
	Type representing a state/observation returned by the environment.

Public Types inherited from bitrl::envs::EnvBase< TimeStepType, SpaceType >
typedef TimeStepType	time_step_type
	Alias for the type returned when stepping the environment.

typedef SpaceType::state_space	state_space_type
	Type describing the environment state space.

typedef SpaceType::state_type	state_type
	Type describing an individual state.

typedef SpaceType::action_space	action_space_type
	Type describing the environment action space.

typedef SpaceType::action_type	action_type
	Type representing an individual action.

Public Member Functions
	CliffWorld (network::RESTRLEnvClient &api_server)
	CliffWorld.

	CliffWorld (const CliffWorld &other)
	copy constructor

	~CliffWorld ()=default
	~CliffWorld. Destructor

virtual void	make (const std::string &version, const std::unordered_map< std::string, std::any > &options, const std::unordered_map< std::string, std::any > &reset_options) override final
	make. Builds the environment. Optionally we can choose if the environment will be slippery

virtual time_step_type	step (const action_type &action) override final
	step

Public Member Functions inherited from bitrl::envs::gymnasium::ToyTextEnvBase< TimeStep< uint_t >, 37, 4 >
virtual	~ToyTextEnvBase ()=default
	~FrozenLake. Destructor.

dynamics_t	p (uint_t sidx, uint_t aidx) const
	P.

uint_t	n_actions () const noexcept
	n_actions. Returns the number of actions

uint_t	n_states () const noexcept
	Number of states.

Public Member Functions inherited from bitrl::envs::gymnasium::GymnasiumEnvBase< TimeStepType, SpaceType >
virtual	~GymnasiumEnvBase ()
	Virtual destructor.

virtual bool	is_alive () const
	Check whether the environment is still alive/connected.

virtual void	close () override
	Close the environment on the server and release any resources.

virtual time_step_type	reset () override
	Reset the environment to an initial state using the reset options specified during make.

uint_t	n_copies () const

network::RESTRLEnvClient &	get_api_server () const
	Retrieve the REST API wrapper instance used for communication.

std::string	get_url () const
	Get the full URL for this environment endpoint on the server.

virtual time_step_type	reset ()=0
	Import the reset() overloads from the base class.

Public Member Functions inherited from bitrl::envs::EnvBase< TimeStepType, SpaceType >
virtual	~EnvBase ()=default
	Virtual destructor.

virtual time_step_type	step (const action_type &action)=0
	Perform one step in the environment using an action.

const std::unordered_map< std::string, std::any > &	make_options () const noexcept
	Access the configuration options provided to make().

const std::unordered_map< std::string, std::any > &	reset_options () const noexcept
	Access the configuration options provided to make().

template<typename T >
T	read_option (const std::string &op_name) const
	Read a specific make() option and cast it to the requested type.

std::string	idx () const noexcept
	Get the id identifying this environment within a simulation batch. The id is valid only if make has been called.

bool	is_created () const noexcept
	Check if make() has successfully initialized the environment.

std::string	env_name () const noexcept
	Get the name of this environment instance.

std::string	version () const noexcept
	Get the environment version set during make().

Static Public Attributes
static const std::string	name = "CliffWalking"
	name

static const std::string	URI = "/gymnasium/cliff-walking-env"
	The URI for accessing the environment.

Static Public Attributes inherited from bitrl::envs::EnvBase< TimeStepType, SpaceType >
static const uint_t	DEFAULT_ENV_SEED = 42
	Default seed used in reset() if none provided.

Protected Member Functions
virtual time_step_type	create_time_step_from_response_ (const nlohmann::json &response) const override final
	Handle the reset response from the environment server.

Protected Member Functions inherited from bitrl::envs::gymnasium::ToyTextEnvBase< TimeStep< uint_t >, 37, 4 >
	ToyTextEnvBase (network::RESTRLEnvClient &api_server, const std::string &name)
	Constructor.

	ToyTextEnvBase (const ToyTextEnvBase &other)
	Copy constructor.

virtual dynamics_t	build_dynamics_from_response_ (const nlohmann::json &response) const
	build the dynamics from response

Protected Member Functions inherited from bitrl::envs::gymnasium::GymnasiumEnvBase< TimeStepType, SpaceType >
	GymnasiumEnvBase (network::RESTRLEnvClient &api_server, const std::string &name)
	Constructor.

	GymnasiumEnvBase (const GymnasiumEnvBase &)
	Copy constructor.

Protected Member Functions inherited from bitrl::envs::EnvBase< TimeStepType, SpaceType >
	EnvBase (const std::string &idx=bitrl::consts::INVALID_STR, const std::string &name=bitrl::consts::INVALID_STR)
	Constructor (protected — for subclassing only).

	EnvBase (const EnvBase &)
	Copy constructor.

void	set_version_ (const std::string &version) noexcept
	Set internal version string.

void	set_idx_ (const std::string &idx) noexcept
	Set the id of the environment.

void	set_make_options_ (const std::unordered_map< std::string, std::any > &options) noexcept
	Store options for future access.

void	set_reset_options_ (const std::unordered_map< std::string, std::any > &options) noexcept
	Store reset options for future access.

void	invalidate_is_created_flag_ () noexcept
	Mark environment as not created.

void	make_created_ () noexcept
	Mark environment creation as successful.

time_step_type &	get_current_time_step_ () noexcept
	Mutable access to the current time step.

const time_step_type &	get_current_time_step_ () const noexcept
	Read-only access to the current time step.

Protected Attributes
uint_t	max_episode_steps_
	Maximum episodes per step.

Protected Attributes inherited from bitrl::envs::gymnasium::GymnasiumEnvBase< TimeStepType, SpaceType >
network::RESTRLEnvClient *	api_server_
	Server wrapper handling communication with remote Gymnasium environment.

Detailed Description

The CliffWorld class.

Member Typedef Documentation

◆ action_space_type

typedef base_type::action_space_type bitrl::envs::gymnasium::CliffWorld::action_space_type

The type of the action space for the environment.

◆ action_type

typedef base_type::action_type bitrl::envs::gymnasium::CliffWorld::action_type

The type of the action to be undertaken in the environment.

◆ base_type

typedef ToyTextEnvBase<TimeStep<uint_t>,37,4>::base_type bitrl::envs::gymnasium::CliffWorld::base_type

The base type.

◆ dynamics_type

typedef std::vector<std::tuple<real_t, uint_t, real_t, bool> > bitrl::envs::gymnasium::CliffWorld::dynamics_type

dynamics_t

◆ state_space_type

typedef base_type::state_space_type bitrl::envs::gymnasium::CliffWorld::state_space_type

The type describing the state space for the environment.

◆ state_type

typedef base_type::state_type bitrl::envs::gymnasium::CliffWorld::state_type

The type of the action to be undertaken in the environment.

◆ time_step_type

typedef base_type::time_step_type bitrl::envs::gymnasium::CliffWorld::time_step_type

The time step type we return every time a step in the environment is performed.

Constructor & Destructor Documentation

◆ CliffWorld() [1/2]

bitrl::envs::gymnasium::CliffWorld::CliffWorld ( network::RESTRLEnvClient & api_server )

CliffWorld.

◆ CliffWorld() [2/2]

bitrl::envs::gymnasium::CliffWorld::CliffWorld ( const CliffWorld & other )

copy constructor

◆ ~CliffWorld()

bitrl::envs::gymnasium::CliffWorld::~CliffWorld ( )

default

~CliffWorld. Destructor

Member Function Documentation

◆ create_time_step_from_response_()

CliffWorld::time_step_type bitrl::envs::gymnasium::CliffWorld::create_time_step_from_response_ ( const nlohmann::json & response ) const

finaloverrideprotectedvirtual

Handle the reset response from the environment server.

Implements bitrl::envs::gymnasium::GymnasiumEnvBase< TimeStepType, SpaceType >.

◆ make()

void bitrl::envs::gymnasium::CliffWorld::make	(	const std::string &	version,
		const std::unordered_map< std::string, std::any > &	options,
		const std::unordered_map< std::string, std::any > &	reset_options
	)

finaloverridevirtual

make. Builds the environment. Optionally we can choose if the environment will be slippery

Implements bitrl::envs::EnvBase< TimeStepType, SpaceType >.

◆ step()

CliffWorld::time_step_type bitrl::envs::gymnasium::CliffWorld::step ( const action_type & action )

finaloverridevirtual

step

Parameters

action

Returns

Member Data Documentation

◆ max_episode_steps_

uint_t bitrl::envs::gymnasium::CliffWorld::max_episode_steps_

protected

Maximum episodes per step.

◆ name

const std::string bitrl::envs::gymnasium::CliffWorld::name = "CliffWalking"

static

name

◆ URI

const std::string bitrl::envs::gymnasium::CliffWorld::URI = "/gymnasium/cliff-walking-env"