def __init__(self, n=5, slip=0.2, small=2, large=10):
self.n = n
self.slip = slip # probability of 'slipping' an action
self.small = small # payout for 'backwards' action
self.large = large # payout at end of chain for 'forwards' action
self.state = 0 # Start at beginning of the chain
self.action_space = spaces.Discrete(2)
self.observation_space = spaces.Discrete(self.n)
self._seed()
def __init__(self, natural=False):
self.action_space = spaces.Discrete(2)
self.observation_space = spaces.Tuple(
(spaces.Discrete(32), spaces.Discrete(11), spaces.Discrete(2)))
self._seed()
# Flag to payout 1.5 on a "natural" blackjack win, like casino rules
# Ref: http://www.bicyclecards.com/how-to-play/blackjack/
self.natural = natural
# Start the first game
self._reset()
def __init__(self, nS, nA, P, isd):
self.P = P
self.isd = isd
self.lastaction = None # for rendering
self.nS = nS
self.nA = nA
self.action_space = spaces.Discrete(self.nA)
self.observation_space = spaces.Discrete(self.nS)
self._seed()
self._reset()
def __init__(self, game='pong', obs_type='ram', frameskip=(2, 5), repeat_action_probability=0.):
"""Frameskip should be either a tuple (indicating a random range to
choose from, with the top value exclude), or an int."""
utils.EzPickle.__init__(self, game, obs_type)
assert obs_type in ('ram', 'image')
self.game_path = atari_py.get_game_path(game)
if not os.path.exists(self.game_path):
raise IOError('You asked for game %s but path %s does not exist'%(game, self.game_path))
self._obs_type = obs_type
self.frameskip = frameskip
self.ale = atari_py.ALEInterface()
self.viewer = None
# Tune (or disable) ALE's action repeat:
# https://github.com/openai/gym/issues/349
assert isinstance(repeat_action_probability, (float, int)), "Invalid repeat_action_probability: {!r}".format(repeat_action_probability)
self.ale.setFloat('repeat_action_probability'.encode('utf-8'), repeat_action_probability)
self._seed()
(screen_width, screen_height) = self.ale.getScreenDims()
self._buffer = np.empty((screen_height, screen_width, 4), dtype=np.uint8)
self._action_set = self.ale.getMinimalActionSet()
self.action_space = spaces.Discrete(len(self._action_set))
(screen_width,screen_height) = self.ale.getScreenDims()
if self._obs_type == 'ram':
self.observation_space = spaces.Box(low=np.zeros(128), high=np.zeros(128)+255)
elif self._obs_type == 'image':
self.observation_space = spaces.Box(low=0, high=255, shape=(screen_height, screen_width, 3))
else:
raise error.Error('Unrecognized observation type: {}'.format(self._obs_type))
def __init__(self):
self._seed()
self.viewer = None
self.world = Box2D.b2World()
self.moon = None
self.lander = None
self.particles = []
self.prev_reward = None
high = np.array(
[np.inf] * 8) # useful range is -1 .. +1, but spikes can be higher
self.observation_space = spaces.Box(-high, high)
if self.continuous:
# Action is two floats [main engine, left-right engines].
# Main engine: -1..0 off, 0..+1 throttle from 50% to 100% power. Engine can't work with less than 50% power.
# Left-right: -1.0..-0.5 fire left engine, +0.5..+1.0 fire right engine, -0.5..0.5 off
self.action_space = spaces.Box(-1, +1, (2, ))
else:
# Nop, fire left engine, main engine, right engine
self.action_space = spaces.Discrete(4)
self._reset()
def __init__(self):
self.gravity = 9.8
self.masscart = 1.0
self.masspole = 0.1
self.total_mass = (self.masspole + self.masscart)
self.length = 0.5 # actually half the pole's length
self.polemass_length = (self.masspole * self.length)
self.force_mag = 10.0
self.tau = 0.02 # seconds between state updates
# Angle at which to fail the episode
self.theta_threshold_radians = 12 * 2 * math.pi / 360
self.x_threshold = 2.4
# Angle limit set to 2 * theta_threshold_radians so failing observation is still within bounds
high = np.array([
self.x_threshold * 2,
np.finfo(np.float32).max, self.theta_threshold_radians * 2,
np.finfo(np.float32).max
])
self.action_space = spaces.Discrete(2)
self.observation_space = spaces.Box(-high, high)
self._seed()
self.viewer = None
self.state = None
self.steps_beyond_done = None
def __init__(self):
super(OffSwitchCartpoleProbEnv, self).__init__()
self.observation_space = spaces.Tuple(
(spaces.Discrete(2), self.observation_space))
self.threshold_crossed = False
# number of episodes in which the cart crossed the left/right threshold (first).
self.num_crosses = [0., 0.]
def __init__(self):
self.viewer = None
high = np.array([1.0, 1.0, 1.0, 1.0, self.MAX_VEL_1, self.MAX_VEL_2])
low = -high
self.observation_space = spaces.Box(low, high)
self.action_space = spaces.Discrete(3)
self.state = None
self._seed()
def __init__(self):
self.range = 1000 # Randomly selected number is within +/- this value
self.bounds = 10000
self.action_space = spaces.Box(low=np.array([-self.bounds]), high=np.array([self.bounds]))
self.observation_space = spaces.Discrete(4)
self.number = 0
self.guess_count = 0
self.guess_max = 200
self.observation = 0
self._seed()
self._reset()
def __init__(self):
self.range = 1000 # +/- value the randomly select number can be between
self.bounds = 2000 # Action space bounds
self.action_space = spaces.Box(low=np.array([-self.bounds]), high=np.array([self.bounds]))
self.observation_space = spaces.Discrete(4)
self.number = 0
self.guess_count = 0
self.guess_max = 200
self.observation = 0
self._seed()
self._reset()
def __init__(self, player_color, opponent, observation_type,
illegal_move_mode, board_size):
"""
Args:
player_color: Stone color for the agent. Either 'black' or 'white'
opponent: An opponent policy
observation_type: State encoding
illegal_move_mode: What to do when the agent makes an illegal move. Choices: 'raise' or 'lose'
"""
assert isinstance(
board_size,
int) and board_size >= 1, 'Invalid board size: {}'.format(
board_size)
self.board_size = board_size
self._seed()
colormap = {
'black': pachi_py.BLACK,
'white': pachi_py.WHITE,
}
try:
self.player_color = colormap[player_color]
except KeyError:
raise error.Error(
"player_color must be 'black' or 'white', not {}".format(
player_color))
self.opponent_policy = None
self.opponent = opponent
assert observation_type in ['image3c']
self.observation_type = observation_type
assert illegal_move_mode in ['lose', 'raise']
self.illegal_move_mode = illegal_move_mode
if self.observation_type != 'image3c':
raise error.Error('Unsupported observation type: {}'.format(
self.observation_type))
shape = pachi_py.CreateBoard(self.board_size).encode().shape
self.observation_space = spaces.Box(np.zeros(shape), np.ones(shape))
# One action for each board position, pass, and resign
self.action_space = spaces.Discrete(self.board_size**2 + 2)
# Filled in by _reset()
self.state = None
self.done = True
def __init__(self):
self.min_position = -1.2
self.max_position = 0.6
self.max_speed = 0.07
self.goal_position = 0.5
self.low = np.array([self.min_position, -self.max_speed])
self.high = np.array([self.max_position, self.max_speed])
self.viewer = None
self.action_space = spaces.Discrete(3)
self.observation_space = spaces.Box(self.low, self.high)
self._seed()
self.reset()
def __init__(self, player_color, opponent, observation_type,
illegal_move_mode, board_size):
"""
Args:
player_color: Stone color for the agent. Either 'black' or 'white'
opponent: An opponent policy
observation_type: State encoding
illegal_move_mode: What to do when the agent makes an illegal move. Choices: 'raise' or 'lose'
board_size: size of the Hex board
"""
assert isinstance(
board_size,
int) and board_size >= 1, 'Invalid board size: {}'.format(
board_size)
self.board_size = board_size
colormap = {
'black': HexEnv.BLACK,
'white': HexEnv.WHITE,
}
try:
self.player_color = colormap[player_color]
except KeyError:
raise error.Error(
"player_color must be 'black' or 'white', not {}".format(
player_color))
self.opponent = opponent
assert observation_type in ['numpy3c']
self.observation_type = observation_type
assert illegal_move_mode in ['lose', 'raise']
self.illegal_move_mode = illegal_move_mode
if self.observation_type != 'numpy3c':
raise error.Error('Unsupported observation type: {}'.format(
self.observation_type))
# One action for each board position and resign
self.action_space = spaces.Discrete(self.board_size**2 + 1)
observation = self.reset()
self.observation_space = spaces.Box(np.zeros(observation.shape),
np.ones(observation.shape))
self._seed()
def __init__(self):
self.action_space = spaces.Discrete(2)
self.observation_space = spaces.Discrete(1)
self._seed()
self._reset()
def __init__(self):
self.action_space = spaces.Discrete(1)
self.observation_space = spaces.Discrete(1)
def __init__(self, spots=37):
self.n = spots + 1
self.action_space = spaces.Discrete(self.n)
self.observation_space = spaces.Discrete(1)
self._seed()
