def runner(id, num_episodes, fifo, _args):
# make args accessible to MCTSAgent
global args
args = _args
# make sure TF does not allocate all memory
init_tensorflow()
# make sure agents play at all positions
agent_id = id % NUM_AGENTS
agent = MCTSAgent(args.model_file, agent_id=agent_id)
# create environment with three SimpleAgents
agents = [
SimpleAgent(),
SimpleAgent(),
SimpleAgent(),
]
agent_id = id % NUM_AGENTS
agents.insert(agent_id, agent)
env = pommerman.make('PommeFFACompetition-v0', agents)
for i in range(num_episodes):
# do rollout
start_time = time.time()
length, reward, rewards = agent.rollout(env)
elapsed = time.time() - start_time
# add data samples to log
fifo.put((length, reward, rewards, agent_id, elapsed))
def __init__(self, mcts_id=None):
self.agents = [
SimpleAgent(),
SimpleAgent(),
SimpleAgent(),
SimpleAgent()
]
if mcts_id is not None:
self.agents[mcts_id] = None
self.mcts_id = mcts_id
def __init__(self, agent):
# Test pool and Env
self.pool = [
agent,
SimpleAgent(),
SimpleAgent(),
SimpleAgent(),
]
#self.pool = [agent, RandomAgent(), RandomAgent(), RandomAgent(), ]
self.env = pommerman.make('PommeFFACompetition-v0', self.pool)
def __init__(self, agent_id, args):
self.args = args
#Initialize the expert and the pool
self.expert = MCTSAgent(None, agent_id=agent_id)
self.pool = [
SimpleAgent(),
SimpleAgent(),
SimpleAgent(),
]
#self.pool = [RandomAgent(), RandomAgent(), RandomAgent(), ]
self.pool.insert(agent_id, self.expert)
self.env = pommerman.make('PommeFFACompetition-v0', self.pool)
def __init__(
self,
n_actions,
character,
evaluation_model=None,
evaluation_model_path=None,
# Set agent properties to preprocess observations
use_history=True, # Use previous observations for predictions
use_2d=True, # Use 2d convolutions
patient=True, # Wait to make initial observations (you don't need it if you don't use history)
center_view=True, # Use centering
original_view=False, # Use 11x11 board, if false, use 21x21
verbose=False # Comment actions
):
super(EvaluatorAgent, self).__init__(character=character)
# Properties
self.use_history = use_history
self.use_2d = use_2d
self.patient = patient
self.center_view = center_view
self.original_view = original_view
self.verbose = verbose
# Acting history for the evaluation
self.actions_history = []
self.observations_history = []
self.episode_count = 0
self.steps = 0
self.n_actions = n_actions
self.simple_agent = SimpleAgent(character=character)
# Load any custom model
self.evaluation_model = None
if evaluation_model:
self.evaluation_model = evaluation_model
if evaluation_model_path:
try:
self.evaluation_model.load_weights(evaluation_model_path)
except:
print('Weights load failed')
elif evaluation_model_path:
try:
self.evaluation_model = load_model(evaluation_model_path)
except:
print('Model load failed')
else:
print('Use SimpleAgent')
def env_for_players():
config = ffa_v0_fast_env()
env = Pomme(**config["env_kwargs"])
agents = [
DQN(config["agent"](0, config["game_type"])),
SimpleAgent(config["agent"](1, config["game_type"])),
SimpleAgent(config["agent"](2, config["game_type"])),
SimpleAgent(config["agent"](3, config["game_type"]))
]
env.set_agents(agents)
env.set_training_agent(
agents[0].agent_id) # training_agent is only dqn agent
env.set_init_game_state(None)
return env
def _thunk():
env = pommerman.make(
'PommeFFACompetition-v0',
[SimpleAgent(),
SimpleAgent(),
SimpleAgent(),
SimpleAgent()])
env._agents[0].is_alive = False
env._agents[2].is_alive = False
env._agents[3].restart = True
env._agents[1].restart = True
env._agents[2].restart = False
env._agents[0].restart = False
return env
def f():
config = ffa_competition_env()
env = Wrapped_Env(**config["env_kwargs"])
env.observation_space = spaces.Box(0,
20,
shape=(11, 11, 18),
dtype=np.float32)
# Add 3 random agents
agents = []
for agent_id in range(3):
# if agent_id == env.winner_id:
# agents.append(TrainingAgent(config["agent"](agent_id, config["game_type"])))
# else:
agents.append(
SimpleAgent(config["agent"](agent_id,
config["game_type"])))
agent_id += 1
agents.append(
TrainingAgent(config["agent"](agent_id, config["game_type"])))
env.set_agents(agents)
env.set_training_agent(agents[-1].agent_id)
env.set_init_game_state(None)
return env
def main():
# Print all possible environments in the Pommerman registry
# Instantiate the environment
DETERMINISTIC = False
VISUALIZE = False
if args.test:
DETERMINISTIC = True
VISUALIZE = True
config = ffa_competition_env()
env = Wrapped_Env(**config["env_kwargs"])
# env.seed(0)
env.observation_space = spaces.Box(0, 20, shape=(11, 11, 18))
env.num_envs = 1
# Add 3 random agents
agents = []
for agent_id in range(3):
agents.append(
SimpleAgent(config["agent"](agent_id, config["game_type"])))
agent_id += 1
# Add TensorforceAgent
agents.append(TrainingAgent(config["agent"](agent_id,
config["game_type"])))
env.set_agents(agents)
env.set_training_agent(agents[-1].agent_id)
env.set_init_game_state(None)
# env = VecFrameStack(make_pommerman_env(env, 8, 0), 2)
# print(env.reset())
policy = CnnPolicy
# Model(policy=policy,
# ob_space=env.observation_space,
# ac_space=env.action_space,
# nbatch_act=1,
# nbatch_train=100,
# nsteps=1000,
# ent_coef=0.01,
# vf_coef=0.5,
# max_grad_norm=0.5)
num_timesteps = 10000
learn(policy=policy,
env=env,
nsteps=800,
nminibatches=4,
lam=0.95,
gamma=0.99,
noptepochs=4,
log_interval=1,
ent_coef=.01,
lr=lambda f: f * 2.5e-4,
cliprange=lambda f: f * 0.1,
total_timesteps=int(num_timesteps * 1.1))
def run_episode(agent, config, env, agent_id=0):
# K.clear_session()
# Add 3 random agents and one trained
agents = [
agent if i == agent_id else SimpleAgent(config["agent"](
i, config["game_type"])) for i in range(4)
]
env.set_agents(agents)
env.set_init_game_state(None)
# Seed and reset the environment
env.seed(0)
obs = env.reset()
# Run the agents until we're done
done = False
lens = [None] * 4
t = 0
while not done:
env.render()
actions = env.act(obs)
obs, reward, done, info = env.step(actions)
for j in range(4):
if lens[j] is None and reward[j] != 0:
lens[j] = t
t += 1
env.render(close=True)
env.close()
return info, reward, lens
def _make_env(self):
"""Initialise gym environment, adding agents to them."""
agents = [
self if agent_id == self.agent_id else SimpleAgent()
for agent_id in range(NUM_AGENTS)
]
return (pommerman.make("PommeFFACompetition-v0", agents))
def make_env(self):
agents = []
for agent_id in range(NUM_AGENTS):
if agent_id == self.agent_id:
agents.append(self)
else:
agents.append(SimpleAgent())
return pommerman.make('PommeFFACompetition-v0', agents)
def init(self, config):
self.env.seed(0)
# Add 3 random agents
agents = []
for agent_id in range(4):
agents.append(
SimpleAgent(config["agent"](agent_id, config["game_type"])))
self.env.set_agents(agents)
self.env.set_init_game_state(None)
def get_env():
config = ffa_v0_fast_env()
env = Pomme(**config["env_kwargs"])
agent_id = 0
agents = [
DQN(config["agent"](0, config["game_type"])),
SimpleAgent(config["agent"](1, config["game_type"])),
SimpleAgent(config["agent"](2, config["game_type"])),
SimpleAgent(config["agent"](3, config["game_type"])),
]
env.set_agents(agents)
env.set_training_agent(agents[agent_id].agent_id)
env.set_init_game_state(None)
return env
def testSimpleAgent():
game_type = constants.GameType(4)
board = [[0, 0, 2, 1, 1, 1], [0, 0, 0, 0, 0, 0], [2, 8, 0, 1, 0, 1],
[1, 0, 1, 0, 10, 1], [1, 0, 3, 0, 0, 1], [1, 11, 1, 1, 1, 0]]
bomb_info = [(0, 1, 2, None)]
game_state = my_utility.get_gamestate(board, bomb_info)
game_data = my_utility.get_gamedata(game_state, game_type)
fm = forward_model.ForwardModel()
obs = fm.get_observations(game_data.board, game_data.agents,
game_data.bombs, game_data.flames, False, None,
game_data.game_type, None)
simpel_agent = SimpleAgent()
print(simpel_agent.act(obs[1], spaces.Discrete(6)))
def make_env(self):
agents = []
for agent_id in range(4):
if agent_id == self.agent_id:
agents.append(self)
else:
agents.append(SimpleAgent())
env = pommerman.make('PommeFFACompetition-v0', agents)
env.set_training_agent(self.agent_id)
return env
def makeTrainingObservation():
env = Pomme(**config["env_kwargs"])
agents = {}
for agent_id in range(num_players):
agent = TrainingAgent(config["agent"](agent_id, config["game_type"]))
agents[agent_id] = agent
simple_Agent_id = num_players
agents[simple_Agent_id] = SimpleAgent(config["agent"](simple_Agent_id,
config["game_type"]))
env.set_agents(list(agents.values()))
env.set_init_game_state(None)
return env
def run(best_net,
num_episodes,
result_list=None,
process_id=None,
render=False):
best_net = Net(trained_model='best.model')
agent_list = [
ZeroAgent(net=best_net,
num_simulations=100,
is_self_play=False,
num_exploration_steps=0),
SimpleAgent()
]
env = pommerman.make('OneVsOne-v0', agent_list)
for i_episode in range(num_episodes):
state = env.reset()
done = False
initial_agents = state[0]['alive']
survivors = initial_agents
dead_agents = []
while not done:
if render:
env.render()
actions = env.act(state)
actions[0] = actions[0].value
state, reward, done, info = env.step(actions)
survivors = state[0]['alive']
for agent in initial_agents:
if agent not in survivors and agent not in dead_agents:
dead_agents.append(agent)
if process_id is not None:
print(
'[Process %d, Episode %d] Dead order: ' %
(process_id, i_episode), str(dead_agents), 'Survivors:',
survivors)
else:
print('[Episode %d] Dead order: ' % i_episode, str(dead_agents),
'Survivors:', survivors)
if result_list is None:
result_list = []
result_list.append((dead_agents, survivors))
env.close()
return result_list
def make_env(self, config):
# Instantiate the environment
env = Pomme(**config["env_kwargs"])
# Add agents
agents = []
for agent_id in range(NUM_AGENTS):
if agent_id == self.agent_id:
agents.append(self)
else:
agents.append(
SimpleAgent(config["agent"](agent_id,
config["game_type"])))
env.set_agents(agents)
env.set_init_game_state(None)
return env
def make_agent_env(n_ppo, n_simple, render):
# Create environment/agents
config = "PommeFFACompetition-v0"
agents = [TensorForceAgent(algorithm="ppo") for _ in range(n_ppo)]
agents += [SimpleAgent() for _ in range(n_simple)]
n_random = 4 - n_ppo - n_simple
agents += [RandomAgent() for _ in range(n_random)]
env = make(config, agents, None)
training_agent = agents[0]
env.set_training_agent(training_agent.agent_id)
# Map to Tensorforce environment/agents
wrapped_env = WrappedEnv(env, visualize=render)
agent = training_agent.initialize(env)
return agent, wrapped_env
def main(max_steps=200, train_for=100, render=False):
'''CLI interface to bootstrap taining'''
parser = argparse.ArgumentParser(description="Playground Flags.")
parser.add_argument("--config",
default="PommeFFACompetition-v0",
help="Configuration to execute. See env_ids in "
"configs.py for options.")
parser.add_argument("--render",
default=False,
action='store_true',
help="Whether to render or not. Defaults to False.")
args = parser.parse_args()
config = args.config
our_selection = DQN_TensorForce_Agent()
# our_selection.restore_agent('PPO_Model.file')
agents = [our_selection, SimpleAgent(), RandomAgent(), RandomAgent()]
env = make(config, agents)
training_agent = None
training_agent = our_selection
env.set_training_agent(our_selection.agent_id)
# Create a Proximal Policy Optimization agent
agent = training_agent.initialize(env)
atexit.register(functools.partial(clean_up_agents, agents))
wrapped_env = WrappedEnv(env, visualize=(args.render or render))
runner = Runner(agent=agent, environment=wrapped_env)
runner.run(episodes=train_for, max_episode_timesteps=max_steps)
won = len([x for x in runner.episode_rewards if x == 1])
tie = len([x for x in runner.episode_timesteps if x == max_steps])
lost = train_for - won - tie
# print("Stats: ", runner.episode_rewards, runner.episode_timesteps,
# runner.episode_times)
print(won, tie, lost)
# our_selection.save_model(file='PPO_Model.file')
try:
runner.close()
except AttributeError as e:
pass
def set_pommerman_env(agent_id=0):
# Instantiate the environment
config = ffa_v0_fast_env()
env = Pomme(**config["env_kwargs"])
np.random.seed(0)
env.seed(0)
# Add 3 Simple Agents and 1 DQN agent
agents = [
DQN(config["agent"](agent_id, config["game_type"])) if i == agent_id
else SimpleAgent(config["agent"](i, config["game_type"]))
for i in range(4)
]
env.set_agents(agents)
env.set_training_agent(
agents[agent_id].agent_id) # training_agent is only dqn agent
env.set_init_game_state(None)
return env
def runner(id, num_episodes, fifo, _args):
# make sure agents play at all positions
agent_id = id % NUM_AGENTS
for j in range(num_episodes):
dirname = "./agent"+str(id)+"_episode_"+str(j)
if not os.path.exists(dirname):
os.makedirs(dirname)
print("made dir")
agent_list = []
agent = MCTSAgent()
for i in range(NUM_AGENTS):
if i == agent_id:
agent.set_agent_id(agent_id)
agent_list.append(agent)
else:
agent_list.append(SimpleAgent())
print(agent_list)
env = pommerman.make('PommeFFACompetition-v0', agent_list)
env.set_training_agent(agent_id)
step = 0
# Run the episodes just like OpenAI Gym
sum_rewards = 0
obs = env.reset()
state = env.get_json_info()
done = False
start_time = time.time()
while not done:
# env.render()
actions = env.act(obs)
action = agent.search(state)
actions.insert(agent_id, action)
print(actions)
obs, step_reward, done, info = env.step(actions)
state = env.get_json_info()
sum_rewards += step_reward[agent_id]
step += 1
env.save_json(dirname)
elapsed = time.time() - start_time
env.close()
def main():
# Print all possible environments in the Pommerman registry
print(pommerman.registry)
config = ffa_v1_env()
env = Pomme(**config["env_kwargs"])
# Add 3 agents
agents = {}
for agent_id in range(4):
agents[agent_id] = SimpleAgent(config["agent"](agent_id,
config["game_type"]))
# agents[3] = PlayerAgent(config["agent"](agent_id, config["game_type"]), "arrows")
env.set_agents(list(agents.values()))
env.set_init_game_state(None)
demo = []
# Run the episodes just like OpenAI Gym
for i_episode in range(1):
state = env.reset()
done = False
demo.append(env.get_json_info())
while not done:
env.render()
actions = env.act(state)
state, reward, done, info = env.step(actions)
demo.append(env.get_json_info())
if 1 in reward:
winner = reward.index(1)
else:
winner = None
print('Episode {} finished'.format(i_episode))
env.close()
# If game not tied, save demonstration
if winner is not None:
demonstration = {'demo': demo, 'winner': winner}
pickle.dump(demonstration, open("demonstration.p", "wb"))
def _thunk():
game_type = config['game_type']
agent_type = config['agent']
env = config['env'](**config["env_kwargs"])
env.seed(args.seed + rank)
if args.how_train == 'simple':
agents = [
SimpleAgent(agent_type(game_type=game_type)) for _ in range(3)
]
training_agent_id = rank % 4
agents.insert(training_agent_id, training_agents[0])
for agent_id, agent in enumerate(agents):
agent.set_agent_id(agent_id)
env.set_agents(agents)
env.set_training_agents([training_agent_id])
env.set_init_game_state(args.game_state_file)
elif args.how_train == 'homogenous':
# NOTE: We can't use just one agent character here because it needs to track its own state.
# We do that by instantiating three more copies. There is probably a better way.
if rank > -1:
copies = [
training_agents[0].copy(
agent_type(agent_id=agent_id, game_type=game_type))
for agent_id in range(4)
]
else:
copies = training_agents * 4
env.set_agents(copies)
env.set_training_agents(list(range(4)))
env.set_init_game_state(args.game_state_file)
else:
raise
env = WrapPomme(env, args.how_train)
# TODO: Add the FrameStack in.
env = MultiAgentFrameStack(env, args.num_stack)
return env
def reset(self):
"""
Resets the state of the environment and returns an initial observation.
# Returns
observation (object): The initial observation of the space. Initial reward is assumed to be 0.
"""
# Add 3 random agents
train_agent_pos = np.random.randint(0, 4)
agents = []
for agent_id in range(4):
if agent_id == train_agent_pos:
agents.append(
TensorforceAgent(config["agent"](agent_id,
config["game_type"])))
else:
agents.append(
SimpleAgent(config["agent"](agent_id,
config["game_type"])))
self.gym.set_agents(agents)
self.gym.set_training_agent(agents[train_agent_pos].agent_id)
obs = self.gym.reset()
agent_obs = self.featurize(obs[self.gym.training_agent])
return agent_obs
def __init__(self,
mcts_iters,
discount=1.0,
c=1.5,
temp=1.0,
tempsteps=None,
agent_id=0,
opponent=SimpleAgent(),
model_save_file=None,
*args,
**kwargs):
super(MCTSAgent, self).__init__(*args, **kwargs)
self.agent_id = agent_id
self.env = self.make_env(opponent)
self.reset_tree()
self.mcts_iters = mcts_iters
self.mcts_c_puct = c
self.discount = discount
self.init_temp = temp
self.tempsteps = tempsteps
self.model_save_file = model_save_file
self.train_count = 0
# Add 3 random agents
agents = []
for agent_id in range(4):
if agent_id == agent_pos:
# agents.append(Cnn12833Dense1281(env.action_space.n, BOARD_SIZE, character=config["agent"](agent_id, config["game_type"]),
# save_path=model_path))
# agents.append(Dense82(env.action_space.n, BOARD_SIZE, character=config["agent"](agent_id, config["game_type"]),
# save_path=model_path2))
# agents.append(Dense128(env.action_space.n, BOARD_SIZE, character=config["agent"](agent_id, config["game_type"]),
# save_path=model_path3))
# agents.append(Dense128(env.action_space.n, BOARD_SIZE, character=config["agent"](agent_id, config["game_type"]),
# save_path='./dqn/model/ddgp_dense_128_1_rs/model.h4'))
agents.append(Cnn12832Dense1281(env.action_space.n, BOARD_SIZE, character=config["agent"](agent_id, config["game_type"]),
save_path='./dqn/model/ddgp_cnn128_3_2_dense_128_1_rs/model.h4'))
else:
agents.append(SimpleAgent(config["agent"](agent_id, config["game_type"])))
env.set_agents(agents)
env.set_init_game_state(None)
# Seed and reset the environment
env.seed(0)
obs = env.reset()
# Run the agents until we're done
done = False
while not done:
env.render()
actions = env.act(obs)
obs, reward, done, info = env.step(actions)
env.render(close=True)
def setup(self):
agents = []
if self.phase == 0:
self.agents_index = [1, 3]
self.enemies_agents_index = [0, 2]
config = team_v0_fast_env()
config["env_kwargs"]["num_wood"] = 2
config["env_kwargs"]["num_items"] = 2
config["env_kwargs"]["num_rigid"] = 20
agents.insert(
0, SuicidalAgent(config["agent"](0, config["game_type"])))
agents.insert(2, NoDoAgent(config["agent"](2,
config["game_type"])))
print(config["env_kwargs"])
self.env = Pomme(**config["env_kwargs"])
self.env.seed()
if self.phase == 1:
self.agents_index = [1, 3]
self.enemies_agents_index = [0, 2]
config = team_v0_fast_env()
config["env_kwargs"]["num_wood"] = 2
config["env_kwargs"]["num_items"] = 2
config["env_kwargs"]["num_rigid"] = 36
agents.insert(
0, SuicidalAgent(config["agent"](0, config["game_type"])))
agents.insert(2, NoDoAgent(config["agent"](2,
config["game_type"])))
print(config["env_kwargs"])
self.env = Pomme(**config["env_kwargs"])
self.env.seed()
if self.phase == 2:
self.agents_index = [1, 3]
self.enemies_agents_index = [0, 2]
config = team_v0_fast_env()
config["env_kwargs"]["num_wood"] = 2
config["env_kwargs"]["num_items"] = 2
config["env_kwargs"]["num_rigid"] = 36
agents.insert(0, NoDoAgent(config["agent"](0,
config["game_type"])))
agents.insert(2, NoDoAgent(config["agent"](2,
config["game_type"])))
print(config["env_kwargs"])
self.env = Pomme(**config["env_kwargs"])
self.env.seed()
if self.phase == 3:
self.agents_index = [1, 3]
self.enemies_agents_index = [0, 2]
config = team_v0_fast_env()
config["env_kwargs"]["num_wood"] = 2
config["env_kwargs"]["num_items"] = 2
config["env_kwargs"]["num_rigid"] = 36
agents.insert(0, NoDoAgent(config["agent"](0,
config["game_type"])))
agents.insert(2, NoDoAgent(config["agent"](2,
config["game_type"])))
print(config["env_kwargs"])
self.env = Pomme(**config["env_kwargs"])
self.env.seed()
if self.phase == 4:
self.agents_index = [1, 3]
self.enemies_agents_index = [0, 2]
config = team_v0_fast_env()
config["env_kwargs"]["num_wood"] = 0
config["env_kwargs"]["num_items"] = 10
config["env_kwargs"]["num_rigid"] = 36
agents.insert(
0, SuicidalAgent(config["agent"](0, config["game_type"])))
agents.insert(2,
SimpleAgent(config["agent"](2, config["game_type"])))
print(config["env_kwargs"])
self.env = Pomme(**config["env_kwargs"])
self.env.seed()
for agent_id in self.agents_index:
agents.insert(
agent_id,
BaseLineAgent(config["agent"](agent_id, config["game_type"])))
self.env.set_agents(agents)
self.env.set_init_game_state(None)
self.observation_space = spaces.Dict({
"boards":
spaces.Box(low=-1, high=20, shape=(3, 11, 11)),
"states":
spaces.Box(low=-1, high=20, shape=(9, )),
})
spaces.Box(low=-1.0, high=20.0, shape=(372, ), dtype=np.float32)
self.action_space = self.env.action_space
class EvaluatorAgent(BaseAgent):
def __init__(
self,
n_actions,
character,
evaluation_model=None,
evaluation_model_path=None,
# Set agent properties to preprocess observations
use_history=True, # Use previous observations for predictions
use_2d=True, # Use 2d convolutions
patient=True, # Wait to make initial observations (you don't need it if you don't use history)
center_view=True, # Use centering
original_view=False, # Use 11x11 board, if false, use 21x21
verbose=False # Comment actions
):
super(EvaluatorAgent, self).__init__(character=character)
# Properties
self.use_history = use_history
self.use_2d = use_2d
self.patient = patient
self.center_view = center_view
self.original_view = original_view
self.verbose = verbose
# Acting history for the evaluation
self.actions_history = []
self.observations_history = []
self.episode_count = 0
self.steps = 0
self.n_actions = n_actions
self.simple_agent = SimpleAgent(character=character)
# Load any custom model
self.evaluation_model = None
if evaluation_model:
self.evaluation_model = evaluation_model
if evaluation_model_path:
try:
self.evaluation_model.load_weights(evaluation_model_path)
except:
print('Weights load failed')
elif evaluation_model_path:
try:
self.evaluation_model = load_model(evaluation_model_path)
except:
print('Model load failed')
else:
print('Use SimpleAgent')
# Featurization
def featurize(self, obs):
return featurize(obs, center=self.center_view, crop=self.original_view)
# Acting
def act(self, obs, action_space=None):
# Initialize new episode
if self.steps == 0:
self.actions_history.append([])
# Create observation, merge with the predecessors
obs_f = self.featurize(obs)
# If our agent is patient, wait for the first 3 steps to make observations
if self.patient and len(
self.observations_history) < history_length - 1:
self.observations_history.append(obs_f)
self.actions_history[self.episode_count].append(0)
return 0
if self.use_history:
obs_history = self.make_observation(obs_f, self.steps, self.use_2d)
else:
obs_history = obs_f
self.observations_history.append(
obs_f) # Append current observation after the merge
# Predict action
if self.evaluation_model is not None:
res = self.evaluation_model.predict(
obs_history.reshape((1, ) + obs_history.shape))[0]
res = np.argmax(res)
else:
res = self.simple_agent.act(obs, action_space)
if self.verbose:
print(res, end='; ')
# # In the dueling DQN the first output relates to the advantage
# if len(res) > self.n_actions:
# res = res[1:]
self.actions_history[self.episode_count].append(res)
if self.verbose:
print(ACTIONS[res])
self.steps += 1
return res
def make_observation(self, obs, i, use_2d=True):
if i == 0: # If it is a first observation
res = np.array([obs for _ in range(history_length)])
elif i < history_length - 1: # If there are less than 3 observations in a history
n_first = history_length - 1 - i
res = np.concatenate(
[
np.array([
self.observations_history[0] for _ in range(n_first)
]), # Repeat the first observation
np.array(self.observations_history[:i]).reshape(
i, view_size, view_size,
n_channels), # Add next observations
obs.reshape(1, view_size, view_size, n_channels)
], # Current observation
axis=0)
else:
res = np.concatenate(
[
np.array(
self.observations_history[i - history_length + 1:i]).
reshape(history_length - 1, view_size, view_size,
n_channels), # Add next observations
obs.reshape(1, view_size, view_size, n_channels)
], # Current observation
axis=0)
if use_2d:
res = np.concatenate(res, axis=-1)
return res
# Evaluation
def end_episode(self):
self.steps = 0
self.episode_count += 1
self.observations_history = []
def reset_run(self):
self.actions_history = []
self.episode_count = 0
self.steps = 0
def close(self):
pass
def run_episode(self, config, env):
return run_episode(self, config, env, self.agent_id)
def plot_statistics(self, info, selected_labels):
return plot_statistics(self, info, selected_labels)
def evaluate_agent(self, selected_labels, iterations=100, plot=True):
return evaluate_agent(self, selected_labels, self.agent_id, iterations,
plot)
