# Copyright 2021 DeepMind Technologies Limited. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""One-shot StreetLearn environment."""

import dm_env
import matplotlib.pyplot as plt
import networkx as nx
import numpy as np


def deg_to_rad(x):
  """Convert degrees to radians."""
  return x / 180. * np.pi


def rad_to_deg(x):
  """Convert radians to degrees."""
  return x * 180. / np.pi


class OneShotStreetLearn(dm_env.Environment):
  """One-shot Streetlearn environment."""

  ACTION_NAMES = [
      'Forward',
      'Left',
      'Right',