def sample(self, explore=False):
self.step += 1
if self._current_observation_n is None:
self._current_observation_n = self.env.reset()
action_n = []
supplied_observation = []
mix_observe_0 = tf.one_hot(self._current_observation_n[0], self.env.num_state)
explore_this_step = False
if np.random.random() < self._epsilon or explore:
# print('explore!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!')
explore_this_step = True
self._epsilon = self._epsilon * self._epsilon_decay
action_0 = np.array([np.random.randint(self.env.action_num)])
else:
action_0 = self.agents[0].act(mix_observe_0, self.agents[1])
supplied_observation.append(mix_observe_0)
action_n.append(action_0)
# print('shape of action 0:----------------------------------')
# print(action_0.shape)
mix_observe_1 = np.hstack((tf.one_hot(self._current_observation_n[1], self.env.num_state),
tf.one_hot(action_0, self.env.action_num)))
if explore_this_step:
self._epsilon = self._epsilon * self._epsilon_decay
action_1 = np.array([np.random.randint(self.env.action_num)])
else:
action_1 = self.agents[1].act(mix_observe_1)
supplied_observation.append(mix_observe_1)
action_n.append(action_1)
action_n = np.asarray(action_n)
next_observation_n, reward_n, done_n, info = self.env.step(action_n)
if self._global_reward:
reward_n = np.array([np.sum(reward_n)] * self.agent_num)
self._path_length += 1
self._path_return += np.array(reward_n, dtype=np.float32)
self._total_samples += 1
for i, agent in enumerate(self.agents):
opponent_action = action_n[[j for j in range(len(action_n)) if j != i]].flatten()
agent.replay_buffer.add_sample(
observation=supplied_observation[i],
action=tf.one_hot(action_n[i], self.env.action_num),
reward=np.float32(reward_n[i]),
terminal=np.float32(done_n[i]),
next_observation=np.float32(next_observation_n[i]),
opponent_action=tf.one_hot(opponent_action, self.env.action_num)
)
self._current_observation_n = next_observation_n
if self.step % (25 * 1000) == 0:
print("steps: {}, episodes: {}, mean episode reward: {}".format(
self.step, len(reward_n), np.mean(reward_n[-1000:])))
if done_n[0] or done_n[1]:
print('done:----------------------------------', done_n)
if np.all(done_n) or self._path_length >= self._max_path_length:
self._current_observation_n = self.env.reset()
self._max_path_return = np.maximum(self._max_path_return, self._path_return)
self._mean_path_return = self._path_return / self._path_length
self._last_path_return = self._path_return
self._path_length = 0
self._path_return = np.zeros(self.agent_num)
self._n_episodes += 1
self.log_diagnostics()
logger.log(tabular)
logger.dump_all()
else:
self._current_observation_n = next_observation_n
return action_n
def sample(self, explore=False):
self.step += 1
# print(self._current_observation_n)
if self._current_observation_n is None:
# print('now updating')
self._current_observation_n = self.env.reset()
# print(self._current_observation_n)
action_n = []
supplied_observation = []
# print(self._current_observation_n)
# print(self._current_observation_n.shape)
if True:
'''if explore:
action_n = self.env.action_spaces.sample()
sample_follower_input = []
sample_follower_output = []
for i in range(num_sample):
tmp = self.env.action_spaces.sample()
sample_follower_input.append(tmp[0])
print((tmp[0]))
print(np.hstack((self._current_observation_n[1], np.array([tmp[0]]))).shape
)
sample_follower_output.append(
self.agents[1].act(np.hstack((self._current_observation_n[1], np.array([tmp[0]])))))
mix_observe_0 = np.hstack(
(self._current_observation_n[0], np.array(sample_follower_input), np.array(sample_follower_output)))
supplied_observation.append(mix_observe_0)
mix_observe_1 = np.hstack((self._current_observation_n[1], np.array([action_n[0]])))
supplied_observation.append(mix_observe_1)
# print("explore!!")
else:'''
'''
for agent, current_observation in zip(self.agents, self._current_observation_n):
action = agent.act(current_observation.astype(np.float32))
action_n.append(np.array(action))
'''
# sample_follower_input = []
# sample_follower_output = []
# for i in range(num_sample):
# tmp = self.env.action_spaces.sample()
# sample_follower_input.append(np.array([tmp[0]]))
# act_1 = np.zeros([self.env.action_num])
# act_1[tmp[0]] = 1
# print('observation shape:')
# print(self._current_observation_n.shape)
# sample_follower_output.append(np.squeeze(
# self.agents[1].act(np.hstack((self._current_observation_n[1], act_1))), 0))
# print(np.hstack((np.array(sample_follower_input), np.array(sample_follower_output))))
# print(np.array(sample_follower_input))
mix_observe_0 = tf.one_hot(self._current_observation_n[0], self.env.num_state)
# supplied_observation.append(mix_observe_0)
# policy_0 = self.agents[0].policy.get_policy_np(self._current_observation_n[0])
# print(mix_observe_0)
# action_0 = np.squeeze(self.agents[0].act(mix_observe_0), 0)
action_0 = self.agents[0].act(mix_observe_0)
# action_0 = np.array([0])
supplied_observation.append(mix_observe_0)
action_n.append(action_0)
# print(policy_0.shape)
# print(action_0)
mix_observe_1 = np.hstack((tf.one_hot(self._current_observation_n[1], self.env.num_state), tf.one_hot(action_0, self.env.action_num)))
# policy_1 = self.agents[1].get_policy_np(mix_observe_1)
# print(policy_1)
action_1 = self.agents[1].act(mix_observe_1)
# action_1 = np.array([0])
supplied_observation.append(mix_observe_1)
action_n.append(action_1)
# print('action shape:')
# print(action_0.shape, action_1.shape, np.array(action_n).shape)
action_n = np.asarray(action_n)
next_observation_n, reward_n, done_n, info = self.env.step(action_n)
# print('done:')
# print(type(done_n[0]))
if self._global_reward:
reward_n = np.array([np.sum(reward_n)] * self.agent_num)
if action_n[0] == 0:
print('explore up!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!')
print(action_n)
print(reward_n)
self._path_length += 1
self._path_return += np.array(reward_n, dtype=np.float32)
self._total_samples += 1
for i, agent in enumerate(self.agents):
opponent_action = action_n[[j for j in range(len(action_n)) if j != i]].flatten()
# print("supplied observation:")
# print(supplied_observation)
# print('agent action:')
# print(i, action_n[i].shape)
agent.replay_buffer.add_sample(
# observation=self._current_observation_n[i].astype(np.float32),
observation=supplied_observation[i],
# action=action_n[i].astype(np.float32),
action = tf.one_hot(action_n[i], self.env.action_num),
# reward=reward_n[i].astype(np.float32),
reward = np.float32(reward_n[i]),
# terminal=done_n[i].astype(np.float32),
terminal=np.float32(done_n[i]),
# next_observation=next_observation_n[i].astype(np.float32),
next_observation=np.float32(next_observation_n[i]),
# opponent_action=opponent_action.astype(np.float32)
opponent_action=tf.one_hot(opponent_action, self.env.action_num)
)
self._current_observation_n = next_observation_n
# for i, rew in enumerate(reward_n):
# self.episode_rewards[-1] += rew
# self.agent_rewards[i][-1] += rew
#if self.step % (25 * 1000) == 0:
# print("steps: {}, episodes: {}, mean episode reward: {}".format(
# self.step, len(self.episode_rewards), np.mean(self.episode_rewards[-1000:])))
if np.all(done_n) or self._path_length >= self._max_path_length:
self._current_observation_n = self.env.reset()
self._max_path_return = np.maximum(self._max_path_return, self._path_return)
self._mean_path_return = self._path_return / self._path_length
self._last_path_return = self._path_return
self._path_length = 0
self._path_return = np.zeros(self.agent_num)
self._n_episodes += 1
self.log_diagnostics()
logger.log(tabular)
logger.dump_all()
else:
self._current_observation_n = next_observation_n
def sample(self, explore=False):
self.step += 1
# print(self._current_observation_n)
if self._current_observation_n is None:
# print('now updating')
self._current_observation_n = self.env.reset()
# print(self._current_observation_n)
action_n = []
supplied_observation = []
# print(self._current_observation_n)
# print(self._current_observation_n.shape)
if explore:
mix_observe_0 = tf.one_hot(self._current_observation_n[0],
self.env.num_state)
# action_0 = self.agents[0].act(mix_observe_0)
supplied_observation.append(mix_observe_0)
# action_n.append(action_0)
mix_observe_1 = tf.one_hot(self._current_observation_n[0],
self.env.num_state)
# action_1 = self.agents[1].act(mix_observe_1)
supplied_observation.append(mix_observe_1)
action_n = self.env.action_spaces.sample()
action_n = action_n.reshape(-1, 1)
# print(action_n.shape)
# action_n.append(action_1)
else:
mix_observe_0 = tf.one_hot(self._current_observation_n[0],
self.env.num_state)
action_0 = self.agents[0].act(mix_observe_0)
supplied_observation.append(mix_observe_0)
action_n.append(action_0)
mix_observe_1 = tf.one_hot(self._current_observation_n[0],
self.env.num_state)
action_1 = self.agents[1].act(mix_observe_1)
supplied_observation.append(mix_observe_1)
action_n.append(action_1)
# print('action shape:')
# print(action_0.shape, action_1.shape, np.array(action_n).shape)
action_n = np.asarray(action_n)
next_observation_n, reward_n, done_n, info = self.env.step(action_n)
# print('done:')
# print(type(done_n[0]))
if self._global_reward:
reward_n = np.array([np.sum(reward_n)] * self.agent_num)
self._path_length += 1
self._path_return += np.array(reward_n, dtype=np.float32)
self._total_samples += 1
for i, agent in enumerate(self.agents):
opponent_action = action_n[[
j for j in range(len(action_n)) if j != i
]].flatten()
# print("supplied observation:")
# print(supplied_observation)
# print('agent action:')
# print(i, action_n[i].shape)
agent.replay_buffer.add_sample(
observation=supplied_observation[i],
action=tf.one_hot(action_n[i], self.env.action_num),
reward=np.float32(reward_n[i]),
# terminal=done_n[i].astype(np.float32),
terminal=np.float32(done_n[i]),
# next_observation=next_observation_n[i].astype(np.float32),
next_observation=np.float32(next_observation_n[i]),
# opponent_action=opponent_action.astype(np.float32)
opponent_action=tf.one_hot(opponent_action,
self.env.action_num))
self._current_observation_n = next_observation_n
if self.step % (25 * 1000) == 0:
print("steps: {}, episodes: {}, mean episode reward: {}".format(
self.step, len(reward_n), np.mean(reward_n[-1000:])))
if np.all(done_n) or self._path_length >= self._max_path_length:
self._current_observation_n = self.env.reset()
self._max_path_return = np.maximum(self._max_path_return,
self._path_return)
self._mean_path_return = self._path_return / self._path_length
self._last_path_return = self._path_return
self._path_length = 0
self._path_return = np.zeros(self.agent_num)
self._n_episodes += 1
self.log_diagnostics()
logger.log(tabular)
logger.dump_all()
else:
self._current_observation_n = next_observation_n
def sample(self, explore=False):
self.step += 1
if self._current_observation_n is None:
self._current_observation_n = self.env.reset()
action_n = []
supplied_observation = []
# print(self._current_observation_n)
# print(self._current_observation_n.shape)
if explore:
action_n = self.env.action_spaces.sample()
mix_observe_0 = self._current_observation_n[0]
supplied_observation.append(mix_observe_0)
supplied_observation.append(self._current_observation_n[1])
else:
mix_observe_0 = self._current_observation_n[0]
action_0 = self.agents[0].act(mix_observe_0)
supplied_observation.append(mix_observe_0)
action_n.append(action_0)
action_1 = self.agents[1].act(self._current_observation_n[1])
supplied_observation.append(self._current_observation_n[1])
action_n.append(action_1)
action_n = np.asarray(action_n)
next_observation_n, reward_n, done_n, info = self.env.step(action_n)
if self._global_reward:
reward_n = np.array([np.sum(reward_n)] * self.agent_num)
self._path_length += 1
self._path_return += np.array(reward_n, dtype=np.float32)
self._total_samples += 1
for i, agent in enumerate(self.agents):
opponent_action = action_n[[
j for j in range(len(action_n)) if j != i
]].flatten()
agent.replay_buffer.add_sample(
observation=supplied_observation[i],
action=action_n[i].astype(np.float32),
reward=reward_n[i].astype(np.float32),
terminal=done_n[i].astype(np.float32),
next_observation=next_observation_n[i].astype(np.float32),
opponent_action=opponent_action.astype(np.float32))
self._current_observation_n = next_observation_n
if np.all(done_n) or self._path_length >= self._max_path_length:
self._current_observation_n = self.env.reset()
self._max_path_return = np.maximum(self._max_path_return,
self._path_return)
self._mean_path_return = self._path_return / self._path_length
self._last_path_return = self._path_return
self._path_length = 0
self._path_return = np.zeros(self.agent_num)
self._n_episodes += 1
self.log_diagnostics()
logger.log(tabular)
logger.dump_all()
else:
self._current_observation_n = next_observation_n
def sample(self, explore=False):
self.step += 1
if self._current_observation_n is None:
self._current_observation_n = self.env.reset()
action_n = []
supplied_observation = []
# print(self._current_observation_n)
# print(self._current_observation_n.shape)
if explore:
action_n = self.env.action_spaces.sample()
mix_observe_0 = self._current_observation_n[0]
# action_0 = self.agents[0].act(mix_observe_0)
supplied_observation.append(mix_observe_0)
# action_n.append(action_0)
mix_observe_1 = np.hstack(
(self._current_observation_n[1], action_n[0]))
# action_1 = self.agents[1].act(mix_observe_1)
supplied_observation.append(self._current_observation_n[1])
# action_n = self.env.action_spaces.sample()
# action_n = action_n.reshape(-1, 1)
else:
mix_observe_0 = self._current_observation_n[0]
action_0 = self.agents[0].act(mix_observe_0)
supplied_observation.append(mix_observe_0)
action_n.append(action_0)
mix_observe_1 = (self._current_observation_n[1], action_0)
action_1 = self.agents[1].act(mix_observe_1)
# print(self._current_observation_n[1])
supplied_observation.append(self._current_observation_n[1])
action_n.append(action_1)
action_n = np.asarray(action_n)
# print("supplied-observations:")
# print(supplied_observation)
# print("supplied-observations end!!!!!!!!!!!!!!!!!!!!!!!1:")
print('action:-----------------')
print(action_n)
next_observation_n, reward_n, done_n, info = self.env.step(action_n)
if self._global_reward:
reward_n = np.array([np.sum(reward_n)] * self.agent_num)
self._path_length += 1
self._path_return += np.array(reward_n, dtype=np.float32)
self._total_samples += 1
for i, agent in enumerate(self.agents):
opponent_action = action_n[[
j for j in range(len(action_n)) if j != i
]].flatten()
agent.replay_buffer.add_sample(
observation=supplied_observation[i],
action=action_n[i].astype(np.float32),
reward=reward_n[i].astype(np.float32),
terminal=done_n[i].astype(np.float32),
next_observation=next_observation_n[i].astype(np.float32),
opponent_action=opponent_action.astype(np.float32))
self._current_observation_n = next_observation_n
# for i, rew in enumerate(reward_n):
# self.episode_rewards[-1] += rew
# self.agent_rewards[i][-1] += rew
# if self.step % (25 * 1000) == 0:
# print("steps: {}, episodes: {}, mean episode reward: {}".format(
# self.step, len(self.episode_rewards), np.mean(self.episode_rewards[-1000:])))
if np.all(done_n) or self._path_length >= self._max_path_length:
self._current_observation_n = self.env.reset()
self._max_path_return = np.maximum(self._max_path_return,
self._path_return)
self._mean_path_return = self._path_return / self._path_length
self._last_path_return = self._path_return
self._path_length = 0
self._path_return = np.zeros(self.agent_num)
self._n_episodes += 1
self.log_diagnostics()
logger.log(tabular)
logger.dump_all()
else:
self._current_observation_n = next_observation_n
def sample(self, explore=False):
self.step += 1
# print(self._current_observation_n)
if self._current_observation_n is None:
# print('now updating')
self._current_observation_n = self.env.reset()
action_n = []
supplied_observation = []
observations = np.zeros((2, self.env.num_state))
next_observations = np.zeros((2, self.env.num_state))
if self.env.sim_step >= self.env.num_state - 3:
print('wrong')
observations[0][self.env.sim_step] = 1
observations[1][self.env.sim_step] = 1
next_observations[0][self.env.sim_step + 1] = 1
next_observations[1][self.env.sim_step + 1] = 1
relative_info = np.zeros((2, 2))
speed_max = 40
velocity_range = 2 * 40
x_position_range = speed_max
delta_dx = self.env.road.vehicles[1].position[
0] - self.env.road.vehicles[0].position[0]
delta_vx = self.env.road.vehicles[1].velocity - self.env.road.vehicles[
0].velocity
relative_info[0][0] = utils.remap(
delta_dx, [-x_position_range, x_position_range], [-1, 1])
relative_info[0][1] = utils.remap(delta_vx,
[-velocity_range, velocity_range],
[-1, 1])
relative_info[1][0] = -relative_info[0][0]
relative_info[1][1] = -relative_info[0][1]
observations[:, -2:] = relative_info
if explore:
for i in range(self.agent_num):
action_n.append([np.random.randint(0, self.env.action_num)])
for i in range(self.leader_num):
supplied_observation.append(observations[i])
for i in range(self.leader_num, self.env.agent_num):
mix_obs = np.hstack(
(observations[i],
tf.one_hot(action_n[0][0],
self.env.action_num))).reshape(1, -1)
supplied_observation.append(mix_obs)
else:
for i in range(self.leader_num):
supplied_observation.append(observations[i])
action_n.append(self.train_agents[0].act(
observations[i].reshape(1, -1)))
for i in range(self.leader_num, self.env.agent_num):
mix_obs = np.hstack(
(observations[i],
tf.one_hot(action_n[0][0],
self.env.action_num))).reshape(1, -1)
supplied_observation.append(mix_obs)
follower_action = self.train_agents[1].act(
mix_obs.reshape(1, -1))
action_n.append(follower_action)
action_n = np.asarray(action_n)
pres_valid_conditions_n = []
next_valid_conditions_n = []
#self.env.render()
'''
for i in range(5):
for j in range(5):
print("q value for upper agent ", i, j, self.train_agents[0]._qf.get_values(np.hstack((observations[0], tf.one_hot(i, self.env.action_num), tf.one_hot(j, self.env.action_num))).reshape(1, -1)))
print()
for i in range(5):
for j in range(5):
print("q value for lower agent ", i, j, self.train_agents[1]._qf.get_values(np.hstack((observations[1], tf.one_hot(i, self.env.action_num), tf.one_hot(j, self.env.action_num))).reshape(1, -1)))
print('a0 = ', action_n[0])
print('a1 = ', action_n[1])
print(self.env.road.vehicles[0].position[0], self.env.road.vehicles[1].position[0])
'''
next_observation_n, reward_n, done_n, info = self.env.step(action_n)
delta_dx = self.env.road.vehicles[1].position[
0] - self.env.road.vehicles[0].position[0]
delta_vx = self.env.road.vehicles[1].velocity - self.env.road.vehicles[
0].velocity
relative_info[0][0] = utils.remap(
delta_dx, [-x_position_range, x_position_range], [-1, 1])
relative_info[0][1] = utils.remap(delta_vx,
[-velocity_range, velocity_range],
[-1, 1])
relative_info[1][0] = -relative_info[0][0]
relative_info[1][1] = -relative_info[0][1]
next_observations[:, -2:] = relative_info
if self._global_reward:
reward_n = np.array([np.sum(reward_n)] * self.agent_num)
self._path_length += 1
self._path_return += np.array(reward_n, dtype=np.float32)
self._total_samples += 1
opponent_action = np.array(action_n[[j for j in range(len(action_n))
]].flatten())
for i, agent in enumerate(self.agents):
agent.replay_buffer.add_sample(
# observation=self._current_observation_n[i].astype(np.float32),
observation=supplied_observation[i],
# action=action_n[i].astype(np.float32),
action=tf.one_hot(action_n[i], self.env.action_num),
# reward=reward_n[i].astype(np.float32),
reward=np.float32(reward_n[i]),
# terminal=done_n[i].astype(np.float32),
terminal=np.float32(done_n[i]),
# next_observation=next_observation_n[i].astype(np.float32),
next_observation=np.float32(next_observations[i]),
# opponent_action=opponent_action.astype(np.float32)
opponent_action=np.int32(opponent_action),
)
self._current_observation_n = next_observation_n
if self.step % (25 * 1000) == 0:
print("steps: {}, episodes: {}, mean episode reward: {}".format(
self.step, len(reward_n), np.mean(reward_n[-1000:])))
if np.all(done_n) or self._path_length >= self._max_path_length:
self._current_observation_n = self.env.reset()
self._max_path_return = np.maximum(self._max_path_return,
self._path_return)
self._mean_path_return = self._path_return / self._path_length
self._last_path_return = self._path_return
self._path_length = 0
self._path_return = np.zeros(self.agent_num)
self._n_episodes += 1
self.log_diagnostics()
logger.log(tabular)
logger.dump_all()
else:
self._current_observation_n = next_observation_n
def sample(self, explore=False):
self.step += 1
# print(self._current_observation_n)
if self._current_observation_n is None:
# print('now updating')
self._current_observation_n = self.env.reset()
# print(self._current_observation_n)
action_n = []
supplied_observation = []
#print(self._current_observation_n.shape)
# print(self._current_observation_n)
# print(self._current_observation_n.shape)
#mix_observe_0 = tf.one_hot(self._current_observation_n[0], self.env.num_state)
if explore:
for i in range(self.agent_num):
if self.env.is_vehicles_valid[i]:
action_n.append([np.random.randint(0, self.env.action_num)])
else:
action_n.append([self.idle_action]) # idle action
for i in range(self.leader_num):
supplied_observation.append(self._current_observation_n[i])
for i in range(self.leader_num, self.env.agent_num):
v = self.env.road.vehicles[i]
#print(v)
closest_leaders = self.env.road.closest_leader_vehicles_to(v, 1)
# ordered leader idx according to distance to leader vehicle
#print(closest_leaders)
leader_actions_concat = []
for leader in closest_leaders:
leader_actions_concat = np.append(leader_actions_concat, tf.one_hot(action_n[leader.index], self.env.action_num))
#print(leader_actions_concat)
#print(leader_actions_concat)
#print(leader_actions_concat.reshape(1, -1))
#print(len(self._current_observation_n[0]))
#print(self._current_observation_n[i])
mix_obs = np.hstack((self._current_observation_n[i], leader_actions_concat)).reshape(1, -1)
##print(mix_obs.shape)
#print(mix_obs.shape[1])
supplied_observation.append(mix_obs)
else:
for i in range(self.leader_num):
supplied_observation.append(self._current_observation_n[i])
if self.env.is_vehicles_valid[i]:
action_n.append(self.train_agents[self.leader_idx].act(self._current_observation_n[i].reshape(1, -1)))
else:
action_n.append([self.idle_action]) #idle action
for i in range(self.leader_num, self.env.agent_num):
v = self.env.road.vehicles[i]
close_leaders = self.env.road.closest_leader_vehicles_to(v, 1)
# ordered leader idx according to distance to leader vehicle
leader_actions_concat = []
for leader in close_leaders:
leader_actions_concat = np.append(leader_actions_concat, tf.one_hot(action_n[leader.index], self.env.action_num))
mix_obs = np.hstack((self._current_observation_n[i], leader_actions_concat)).reshape(1, -1)
supplied_observation.append(mix_obs)
if self.env.is_vehicles_valid[i]:
follower_action = self.train_agents[self.follower_idx].act(mix_obs.reshape(1, -1))
action_n.append(follower_action)
else:
action_n.append([self.idle_action]) # idle action
# print('action shape:')
# print(action_0.shape, action_1.shape, np.array(action_n).shape)
#supplied_observation.append(mix_observe_0)
#supplied_observation.append(mix_observe_1)
action_n = np.asarray(action_n)
pres_valid_conditions_n = []
next_valid_conditions_n = []
#obs_v_idxes_n = []
#next_obs_v_idxes_n = []
for i, agent in enumerate(self.agents):
'''
v = self.env.road.vehicles[i]
obs_v_idxes = []
close_leaders = self.env.road.closest_leader_vehicles_to(v, self.level_agent_num)
for i in range(len(close_leaders)):
obs_v_idxes.append(close_leaders[i].index)
close_followers = self.env.road.closest_follower_vehicles_to(v, self.level_agent_num)
for i in range(len(close_followers)):
obs_v_idxes.append(close_followers[i].index)
'''
if not self.env.is_vehicles_valid[i]:
pres_valid_conditions_n.append(0)
else:
pres_valid_conditions_n.append(1)
#obs_v_idxes_n.append(obs_v_idxes)
#print(pres_valid_conditions_n)
next_observation_n, reward_n, done_n, info = self.env.step(action_n)
#self.rewards_record.append(reward_n)
self.env.render()
for i, agent in enumerate(self.agents):
'''
v = self.env.road.vehicles[i]
next_obs_v_idxes = []
close_leaders = self.env.road.closest_leader_vehicles_to(v, self.level_agent_num)
for i in range(len(close_leaders)):
next_obs_v_idxes.append(close_leaders[i].index)
close_followers = self.env.road.closest_follower_vehicles_to(v, self.level_agent_num)
for i in range(len(close_followers)):
next_obs_v_idxes.append(close_followers[i].index)
'''
if not self.env.is_vehicles_valid[i]:
next_valid_conditions_n.append(0)
else:
next_valid_conditions_n.append(1)
#next_obs_v_idxes_n.append(next_obs_v_idxes)
#obs_v_idxes_n = np.array(obs_v_idxes_n)
#next_obs_v_idxes_n = np.array(next_obs_v_idxes_n)
if self._global_reward:
reward_n = np.array([np.sum(reward_n)] * self.agent_num)
self._path_length += 1
self._path_return += np.array(reward_n, dtype=np.float32)
self._total_samples += 1
opponent_action = np.array(action_n[[j for j in range(len(action_n))]].flatten())
for i, agent in enumerate(self.agents):
#opponent_action = action_n[[j for j in range(len(action_n))]].flatten()
#q_actions_concat = np.array(tf.one_hot(q_actions_n[i], self.env.action_num)).reshape(1, -1)
#print(q_actions_concat.shape)
#opponent_action_concat = np.array(tf.one_hot(opponent_action, self.env.action_num)).reshape(1, -1)
#print(obs_v_idxes_n[i])
#print(tf.one_hot(action_n[i], self.env.action_num))
agent.replay_buffer.add_sample(
# observation=self._current_observation_n[i].astype(np.float32),
observation=supplied_observation[i],
# action=action_n[i].astype(np.float32),
action = tf.one_hot(action_n[i], self.env.action_num),
# reward=reward_n[i].astype(np.float32),
reward = np.float32(reward_n[i]),
# terminal=done_n[i].astype(np.float32),
terminal=np.float32(done_n[i]),
# next_observation=next_observation_n[i].astype(np.float32),
next_observation=np.float32(next_observation_n[i]),
# opponent_action=opponent_action.astype(np.float32)
opponent_action=np.int32(opponent_action),
#Q_actions=q_actions_concat,
#obs_v_idxes=np.int16(obs_v_idxes_n[i]),
#next_obs_v_idxes=np.int16(next_obs_v_idxes_n[i]),
pres_valid_conditions=np.int16(pres_valid_conditions_n[i]),
next_valid_conditions=np.int16(next_valid_conditions_n[i]),
)
self._current_observation_n = next_observation_n
# for i, rew in enumerate(reward_n):
# self.episode_rewards[-1] += rew
# self.agent_rewards[i][-1] += rew
#print("Correct merge count percentage: ", self.env.correct_merge_count / self.env.merge_count)
if self.step % (25 * 1000) == 0:
print("steps: {}, episodes: {}, mean episode reward: {}".format(
self.step, len(reward_n), np.mean(reward_n[-1000:])))
if np.all(done_n) or self._path_length >= self._max_path_length:
self._current_observation_n = self.env.reset()
#self.env.merge_count += 1
self._max_path_return = np.maximum(self._max_path_return, self._path_return)
self._mean_path_return = self._path_return / self._path_length
self._last_path_return = self._path_return
self._path_length = 0
self._path_return = np.zeros(self.agent_num)
self._n_episodes += 1
self.log_diagnostics()
logger.log(tabular)
logger.dump_all()
else:
self._current_observation_n = next_observation_n
