Tianshou/test/base/env.py
2020-06-11 08:57:37 +08:00

45 lines
1.4 KiB
Python

import time
import gym
from gym.spaces.discrete import Discrete
class MyTestEnv(gym.Env):
def __init__(self, size, sleep=0, dict_state=False):
self.size = size
self.sleep = sleep
self.dict_state = dict_state
self.action_space = Discrete(2)
self.reset()
def reset(self, state=0):
self.done = False
self.index = state
return {'index': self.index} if self.dict_state else self.index
def step(self, action):
if self.done:
raise ValueError('step after done !!!')
if self.sleep > 0:
time.sleep(self.sleep)
if self.index == self.size:
self.done = True
if self.dict_state:
return {'index': self.index}, 0, True, {}
else:
return self.index, 0, True, {}
if action == 0:
self.index = max(self.index - 1, 0)
if self.dict_state:
return {'index': self.index}, 0, False, {'key': 1, 'env': self}
else:
return self.index, 0, False, {}
elif action == 1:
self.index += 1
self.done = self.index == self.size
if self.dict_state:
return {'index': self.index}, int(self.done), self.done, \
{'key': 1, 'env': self}
else:
return self.index, int(self.done), self.done, \
{'key': 1, 'env': self}