def main(argv):
try:
opts, _ = getopt.getopt(argv, "hr")
except getopt.GetoptError:
print("birdML.py [-h | -r]")
sys.exit(2)
record = False
for opt, arg in opts:
if opt == '-h':
print("-h to help")
print("-r record")
elif opt == '-r':
record = True
netb = netBrain()
netb.summary()
game = FlappyBird()
p = PLE(game, fps=30, display_screen=True, force_fps=True)
p.init()
actions = p.getActionSet()
out = 1
epochs = 50
for i in range(epochs):
lstates = []
rewards = []
if record:
fourcc = cv2.VideoWriter_fourcc(*'mp4v')
out = cv2.VideoWriter('Videos/test_' + str(i) + '.mov', fourcc,
30.0, (288, 512))
for d in range(10):
while not p.game_over():
if record:
obs = p.getScreenRGB()
obs = cv2.transpose(obs)
obs = cv2.cvtColor(obs, cv2.COLOR_RGB2BGR)
out.write(obs)
st = game.getGameState()
gstate = list(st.values())
gstate = np.array([np.array(gstate)])
lstates.append(gstate[0])
pred = netb.predict(gstate)[0]
a = pred.argmax()
p.act(actions[a])
if st['next_pipe_bottom_y'] < st['player_y']:
pred[0] = 1.0
pred[1] = 0.0
elif st['next_pipe_top_y'] > st['player_y']:
pred[0] = 0.0
pred[1] = 1.0
rewards.append(pred)
p.reset_game()
netb.fit(np.array(lstates),
np.array(rewards),
batch_size=10,
epochs=10)
if record:
out.release()
def __init__(self):
self.model = Model()
self.game = FlappyBird(pipe_gap=125)
self.env = PLE(self.game, fps=30, display_screen=False)
self.env.init()
self.env.getGameState = self.game.getGameState
self.es = EvolutionStrategy(self.model.get_weights(), self.get_reward, self.POPULATION_SIZE, self.SIGMA, self.LEARNING_RATE)
self.exploration = self.INITIAL_EXPLORATION
def train(FRAME_TRAIN=1000005):
game = FlappyBird()
p = PLE(game, fps=30, display_screen=True)
p.init()
ob = game.getGameState()
state = ob
state = np.reshape(np.asarray(list(state.values())), [1, 8])
total_reward = 0
agent = DDQN_Agent.DeepQAgent()
agent.load('model95000')
batch_size = 32
my_timer = time.time()
prev_frame = 0
data = []
for i in range(FRAME_TRAIN):
if p.game_over():
data.append(total_reward)
p.reset_game()
print(
"Total reward = {}, Frame = {}, epsilon = {}, frame/second = {}"
.format(total_reward, i, agent.epsilon,
(i - prev_frame) / (time.time() - my_timer)))
total_reward = 0
prev_frame = i
my_timer = time.time()
# get action from agent
action = agent.act(state)
# take action
reward = p.act(p.getActionSet()[action])
# making the reward space less sparse
if reward < 0:
reward = -1
total_reward += reward
next_state = np.asarray(list(game.getGameState().values()))
next_state = np.reshape(next_state, [1, 8])
# remember and replay
agent.remember(state, action, reward, next_state, p.game_over())
if len(agent.memory) > batch_size:
agent.replay(batch_size)
state = next_state
# save Model
if i % 5000 == 0:
print("Updating weights")
agent.save('newmodel' + str(i))
agent.target_model.set_weights(agent.model.get_weights())
# Plot socre
if i % 1000 == 0:
plot(data)
def prepare_game():
asset_dir = "../assets"
game = FlappyBird()
for c in game.images["player"]:
image_assets = [
os.path.join(asset_dir, "bird-upflap.png"),
os.path.join(asset_dir, "bird-midflap.png"),
os.path.join(asset_dir, "bird-downflap.png"),
]
game.images["player"][c] = [pygame.image.load(im).convert_alpha() for im in image_assets]
for b in game.images["background"]:
game.images["background"][b] = pygame.image.load(os.path.join(asset_dir, "background.png")).convert()
for c in ["red", "green"]:
path = os.path.join(asset_dir, "pipe.png")
game.images["pipes"][c] = {}
game.images["pipes"][c]["lower"] = pygame.image.load(path).convert_alpha()
game.images["pipes"][c]["upper"] = pygame.transform.rotate(game.images["pipes"][c]["lower"], 180)
game.images["base"] = pygame.image.load(os.path.join(asset_dir, "base.png")).convert()
return game
def run_game(nb_episodes, agent):
""" Runs nb_episodes episodes of the game with agent picking the moves.
An episode of FlappyBird ends with the bird crashing into a pipe or going off screen.
"""
reward_values = {
"positive": 1.0,
"negative": 0.0,
"tick": 0.0,
"loss": 0.0,
"win": 0.0
}
# TODO: when training use the following instead:
# reward_values = agent.reward_values
env = PLE(FlappyBird(),
fps=30,
display_screen=True,
force_fps=True,
rng=None,
reward_values=reward_values)
# TODO: to speed up training change parameters of PLE as follows:
# display_screen=False, force_fps=True
env.init()
score = 0
tot_nb_episodes = nb_episodes
average = 0
highscore = 0
over_50_count = 0
while nb_episodes > 0:
# pick an action
# TODO: for training using agent.training_policy instead
state, ignore = agent.state_binner(env.game.getGameState())
action = agent.policy(state)
# step the environment
reward = env.act(env.getActionSet()[action])
#print("reward=%d" % reward)
# TODO: for training let the agent observe the current state transition
score += reward
# reset the environment if the game is over
if env.game_over() or score >= 60:
average += score
if score > highscore:
highscore = score
if score >= 50:
over_50_count += 1
print("score for this episode: %d" % score)
env.reset_game()
nb_episodes -= 1
score = 0
print("Average for {} runs {:.2f}".format(tot_nb_episodes,
average / tot_nb_episodes))
over_50_p = (over_50_count / tot_nb_episodes) * 100
print("The percentage of scores over 50 is: %d" % (over_50_p))
return over_50_p
def __init__(self, screen=False, forcefps=True):
self.game = FlappyBird(pipe_gap=125)
self.env = PLE(self.game, fps=30, display_screen=screen, force_fps=forcefps)
self.env.init()
self.env.getGameState = self.game.getGameState
def conv_layer(x, conv, stride = 1):
return tf.nn.conv2d(x, conv, [1, stride, stride, 1], padding = 'SAME')
def pooling(x, k = 2, stride = 2):
return tf.nn.max_pool(x, ksize = [1, k, k, 1], strides = [1, stride, stride, 1], padding = 'SAME')
self.X = tf.placeholder(tf.float32, [None, 80, 80, 4])
self.Y = tf.placeholder(tf.float32, [None, self.OUTPUT_SIZE])
w_conv1 = tf.Variable(tf.truncated_normal([8, 8, 4, 32], stddev = 0.1))
conv1 = tf.nn.relu(conv_layer(self.X, w_conv1, stride = 4))
pooling1 = pooling(conv1)
w_conv2 = tf.Variable(tf.truncated_normal([4, 4, 32, 64], stddev = 0.1))
conv2 = tf.nn.relu(conv_layer(pooling1, w_conv2, stride = 2))
w_conv3 = tf.Variable(tf.truncated_normal([3, 3, 64, 64], stddev = 0.1))
conv3 = tf.nn.relu(conv_layer(conv2, w_conv3))
pulling_size = int(conv3.shape[1]) * int(conv3.shape[2]) * int(conv3.shape[3])
conv3 = tf.reshape(conv3, [-1, pulling_size])
tensor_action, tensor_validation = tf.split(conv3,2,1)
w_action = tf.Variable(tf.truncated_normal([pulling_size // 2, self.OUTPUT_SIZE], stddev = 0.1))
w_validation = tf.Variable(tf.truncated_normal([pulling_size // 2, 1], stddev = 0.1))
fc_action = tf.matmul(tensor_action, w_action)
fc_validation = tf.matmul(tensor_validation, w_validation))
self.logits = fc_validation + tf.subtract(fc_action,tf.reduce_mean(fc_action,axis=1,keep_dims=True))
self.cost = tf.reduce_sum(tf.square(self.Y - self.logits))
self.optimizer = tf.train.AdamOptimizer(learning_rate = self.LEARNING_RATE).minimize(self.cost)
self.sess = tf.InteractiveSession()
self.sess.run(tf.global_variables_initializer())
self.saver = tf.train.Saver(tf.global_variables())
self.rewards = []
def __init__(self,
env_name,
args,
atari_wrapper=False,
test=False,
seed=595):
game = FlappyBird(width=144, height=256, pipe_gap=80)
self.test = test
#define reward
reward_func = rewards = {
"positive": 1,
"negative": -1.0,
"tick": 1,
"loss": -5.0,
"win": 1.0
}
self.p = PLE(game,
fps=30,
display_screen=False,
force_fps=True,
reward_values=reward_func,
rng=seed)
self.observation = np.zeros((144, 256, 4, 3))
# if atari_wrapper:
# clip_rewards = not test
# self.env = make_wrap_atari(env_name, clip_rewards)
# else:
# self.env = gym.make(env_name)
self.action_space = self.p.getActionSet()
def __init__(self, model, screen=False, forcefps=True):
self.model = model
self.game = FlappyBird(pipe_gap=125)
self.env = PLE(self.game, fps=30, display_screen=screen, force_fps=forcefps)
self.env.init()
self.env.getGameState = self.game.getGameState
self.es = Deep_Evolution_Strategy(self.model.get_weights(), self.get_reward, self.POPULATION_SIZE, self.SIGMA, self.LEARNING_RATE)
def main():
env = FlappyBird()
penv = PLE(env, fps=30, display_screen=True, force_fps=True)
#penv.init()
np.random.seed(0)
obs_shape = len(penv.getGameState())
IMG_shape = penv.getScreenGrayscale().shape
action_dim = len(penv.getActionSet())
print(obs_shape, action_dim)
rpm = ReplayMemory(MEMORY_SIZE)
model = Model(act_dim=action_dim)
algorithm = parl.algorithms.DQN(model,
act_dim=action_dim,
gamma=GAMMA,
lr=LEARNING_RATE)
agent = Agent(
algorithm,
obs_dim=obs_shape,
act_dim=action_dim,
e_greed=0.15, # explore 0.1
e_greed_decrement=1e-6 #1e-6
) # probability of exploring is decreasing during training
# 加载模型
if os.path.exists('./dqn_model.ckpt'):
save_path = './dqn_model.ckpt'
agent.restore(save_path)
print("模型加载成功")
eval_reward = evaluate(agent, penv)
def train(nb_episodes, agent):
reward_values = agent.reward_values()
env = PLE(FlappyBird(),
fps=30,
display_screen=False,
force_fps=True,
rng=None,
reward_values=reward_values)
env.init()
score = 0
biggest_score = -50000
avg_score = 0
episodes = 0
to_break = False
while nb_episodes > 0:
# pick an action
state = env.game.getGameState()
state = agent.state_binner(state)
action = agent.training_policy(state)
# step the environment
reward = env.act(env.getActionSet()[action])
#print("reward=%d" % reward)
# let the agent observe the current state transition
newState = env.game.getGameState()
newState = agent.state_binner(newState)
agent.observe(state, action, reward, newState, env.game_over())
agent.frames += 1
score += reward
if ((agent.frames % 10000) == 0):
to_break = True
# reset the environment if the game is over
if env.game_over():
avg_score += score
if score > biggest_score:
biggest_score = score
if biggest_score > 450:
break
print(biggest_score)
print(nb_episodes)
if nb_episodes % 100 == 0:
print(avg_score / 100)
if avg_score / 100 >= 5:
break
avg_score = 0
if to_break:
break
#print("score for this episode: %d" % score)
env.reset_game()
nb_episodes -= 1
score = 0
return biggest_score
def __init__(self, game="pixelcopter", fps=30):
os.environ['SDL_VIDEODRIVER'] = 'dummy'
self.game_name = game
if game == "flappy":
engine = FlappyBird()
elif game == "pixelcopter":
engine = Pixelcopter()
else:
assert False, "This game is not available"
engine.rewards["loss"] = -5 # reward at terminal state
self.reward_terminal = -5
self.game = PLE(engine, fps=fps, display_screen=False)
self.game.init()
self.game.act(0) # Start the game by providing arbitrary key as input
self.key_input = self.game.getActionSet()
self.reward = 0
def __init__(self, display=False):
"""
Initializes a new environment for FlappyBird game.
"""
game = game = FlappyBird()
self._game = PLE(game, fps=30, display_screen=display)
# _display_game flag controls whether or not to render the state that is being provided by the
# environment.
self._display_game = display
if self._display_game:
self._display = self.show_img() # display sets up a cv2 window where the current state is displayed.
self._display.__next__() # iterate over the display generator.
self.NUM_ACTIONS = len(self._game.getActionSet()) # defines the number of action agent can take in the environment.
self._ACTION_MAP = {}
for i, action in enumerate(self._game.getActionSet()):
self._ACTION_MAP[i] = action
# Number contiguous images the environment provides as state. Basically at any time, the
# environment provides a stack of last 4 (including the current) images as the state to the agent.
self._IMAGE_STACK_SIZE = 4
# Dimension of the (greyscale) image provided as state.
self._PROCESSED_IMAGE_SIZE = 84
# Determines the number of times the provided action is executed before returning the next
# state.
self._SKIP_FRAMES = 4
# Used by the RL agent to set up it's CNN model.
self.STATE_SPACE = (self._PROCESSED_IMAGE_SIZE, self._PROCESSED_IMAGE_SIZE, self._IMAGE_STACK_SIZE)
self._init_states()
def play(self, n=1, file_path=None):
# use "Fancy" for full background, random bird color and random pipe color,
# use "Fixed" (default) for black background and constant bird and pipe colors.
game = FlappyBird(graphics="fixed")
# Note: if you want to see you agent act in real time, set force_fps to False.
# But don't use this setting for learning, just for display purposes.
env = PLE(game,
fps=30,
frame_skip=1,
num_steps=1,
force_fps=False,
display_screen=True)
# Init the environment (settings, display...)
env.init()
# Load the model
model = load_model(file_path)
# Let's play n games, and see if the model is correctly trained
for _ in range(n):
env.reset_game()
while not env.game_over():
S = self.get_game_data(game)
Q = model.predict(S, batch_size=1)
A = np.argmax(Q[0])
env.act(self.ACTIONS[A])
def __init__(self, playback_mode, mod=None):
self._playback_mode = playback_mode
env = FlappyBird(pipe_gap=200)
self._ple = PLE(env, fps=30, display_screen=DISPLAY)
self._ple.init()
self._sess = tf.Session()
self._agent = DDQNAgent(self._sess, DIM_STATE, DIM_ACTION, LR, TAU, net_name='cnn_bird')
self._sess.run(tf.global_variables_initializer())
self._agent.update_target_paras()
self._saver = tf.train.Saver()
self._replay_buffer = ReplayBuffer(BUFFER_SIZE)
self._explorer = Explorer(EPS_BEGIN, EPS_END, EPS_STEPS, playback_mode)
self.summary = Summary(self._sess, DIR_SUM)
self.summary.add_variable(tf.Variable(0.), 'reward')
self.summary.add_variable(tf.Variable(0.), 'loss')
self.summary.add_variable(tf.Variable(0.), 'maxq')
self.summary.build()
self.summary.write_variables(FLAGS)
self._steps = 0
if mod and os.path.exists(FLAGS.dir_mod.format(mod)):
checkpoint = tf.train.get_checkpoint_state(FLAGS.dir_mod.format(mod))
self._saver.restore(self._sess, save_path=checkpoint.model_checkpoint_path)
print("Loaded checkpoints {0}".format(checkpoint.model_checkpoint_path))
def _test_ple():
from ple.games.pong import Pong
from ple.games.flappybird import FlappyBird
from ple import PLE
# os.environ['SDL_VIDEODsRIVER'] = 'dummy'
game = Pong()
game = FlappyBird()
ple_game = PLE(game, fps=30, display_screen=True)
ple_game.init()
ALLOWED_ACTIONS = ple_game.getActionSet()
print(ALLOWED_ACTIONS)
action = 0
start = time()
t = 0
while True:
ep_reward = 0
ple_game.reset_game()
while not ple_game.game_over():
sleep(0.1)
t += 1
if t % 15 == 5:
action = 0
else:
action = 1
reward = ple_game.act(ALLOWED_ACTIONS[action])
# print(reward)
ep_reward += reward
print(ep_reward, t, t / (time() - start))
def __init__(self, screen=False, forcefps=True):
self.game = FlappyBird(pipe_gap=125)
self.env = PLE(self.game,
fps=30,
display_screen=screen,
force_fps=forcefps)
self.env.init()
self.env.getGameState = self.game.getGameState
self.X = tf.placeholder(tf.float32, (None, self.INPUT_SIZE))
self.REWARDS = tf.placeholder(tf.float32, (None))
self.ACTIONS = tf.placeholder(tf.int32, (None))
input_layer = tf.Variable(
tf.random_normal([self.INPUT_SIZE, self.LAYER_SIZE]))
bias = tf.Variable(tf.random_normal([self.LAYER_SIZE]))
output_layer = tf.Variable(
tf.random_normal([self.LAYER_SIZE, self.OUTPUT_SIZE]))
feed_forward = tf.nn.relu(tf.matmul(self.X, input_layer) + bias)
self.logits = tf.nn.softmax(tf.matmul(feed_forward, output_layer))
indexes = tf.range(0,
tf.shape(self.logits)[0]) * tf.shape(
self.logits)[1] + self.ACTIONS
responsible_outputs = tf.gather(tf.reshape(self.logits, [-1]), indexes)
self.cost = -tf.reduce_mean(tf.log(responsible_outputs) * self.REWARDS)
self.optimizer = tf.train.AdamOptimizer(
learning_rate=self.LEARNING_RATE).minimize(self.cost)
self.sess = tf.InteractiveSession()
self.sess.run(tf.global_variables_initializer())
self.saver = tf.train.Saver(tf.global_variables())
self.rewards = []
def train(nb_frames, agent):
reward_values = agent.reward_values()
env = PLE(FlappyBird(),
fps=30,
display_screen=False,
force_fps=True,
rng=None,
reward_values=reward_values)
env.init()
score = 0
biggest_score = -5
avg_score = 0
avrage = []
count = []
nb_episodes = 0
number_of_frames = 0
while number_of_frames < nb_frames:
# pick an action
state = env.game.getGameState()
state = agent.state_binner(state)
action = agent.training_policy(state)
# step the environment
reward = env.act(env.getActionSet()[action])
#print("reward=%d" % reward)
# let the agent observe the current state transition
newState = env.game.getGameState()
newState = agent.state_binner(newState)
agent.observe(state, action, reward, newState, env.game_over())
score += reward
number_of_frames += 1
# reset the environment if the game is over
if env.game_over():
nb_episodes += 1
avg_score += score
if score > biggest_score:
biggest_score = score
print(biggest_score)
print(nb_episodes)
print(number_of_frames)
if nb_episodes % 100 == 0:
print(avg_score / 100)
avrage.append(avg_score / 100)
count.append(number_of_frames)
avg_score = 0
#print("score for this episode: %d" % score)
agent.calculate()
env.reset_game()
score = 0
print(biggest_score)
data = {"Count": count, "Avrage": avrage}
df = pd.DataFrame(data)
sns.relplot(x="Count", y="Avrage", ci=None, kind="line", data=df)
def __init__(self, screen=False, forcefps=True):
self.game = FlappyBird(pipe_gap=125)
self.env = PLE(self.game,
fps=30,
display_screen=screen,
force_fps=forcefps)
self.env.init()
self.env.getGameState = self.game.getGameState
self.X = tf.placeholder(tf.float32, (None, None, self.INPUT_SIZE))
self.Y = tf.placeholder(tf.float32, (None, self.OUTPUT_SIZE))
cell = tf.nn.rnn_cell.LSTMCell(512, state_is_tuple=False)
self.hidden_layer = tf.placeholder(tf.float32, (None, 2 * 512))
self.rnn, self.last_state = tf.nn.dynamic_rnn(
inputs=self.X,
cell=cell,
dtype=tf.float32,
initial_state=self.hidden_layer)
action_layer = tf.Variable(
tf.random_normal([layer_size // 2, output_size]))
validation_layer = tf.Variable(tf.random_normal([layer_size // 2, 1]))
tensor_action, tensor_validation = tf.split(self.rnn[:, -1, :], 2, 1)
feed_action = tf.matmul(tensor_action, action_layer)
feed_validation = tf.matmul(tensor_validation, validation_layer)
self.logits = feed_validation + tf.subtract(
feed_action, tf.reduce_mean(feed_action, axis=1, keep_dims=True))
self.cost = tf.reduce_sum(tf.square(self.Y - self.logits))
self.optimizer = tf.train.AdamOptimizer(
learning_rate=self.LEARNING_RATE).minimize(self.cost)
self.sess = tf.InteractiveSession()
self.sess.run(tf.global_variables_initializer())
self.saver = tf.train.Saver(tf.global_variables())
self.rewards = []
def __init__(self, screen=False, forcefps=True):
self.game = FlappyBird(pipe_gap=125)
self.env = PLE(self.game,
fps=30,
display_screen=screen,
force_fps=forcefps)
self.env.init()
self.env.getGameState = self.game.getGameState
self.X = tf.placeholder(tf.float32, (None, None, input_size))
self.Y = tf.placeholder(tf.float32, (None, output_size))
cell = tf.nn.rnn_cell.LSTMCell(512, state_is_tuple=False)
self.hidden_layer = tf.placeholder(tf.float32, (None, 2 * 512))
self.rnn, self.last_state = tf.nn.dynamic_rnn(
inputs=self.X,
cell=cell,
dtype=tf.float32,
initial_state=self.hidden_layer)
w = tf.Variable(tf.random_normal([512, output_size]))
self.logits = tf.matmul(self.rnn[:, -1], w)
self.cost = tf.reduce_sum(tf.square(self.Y - self.logits))
self.optimizer = tf.train.AdamOptimizer(
learning_rate=self.LEARNING_RATE).minimize(self.cost)
self.sess = tf.InteractiveSession()
self.sess.run(tf.global_variables_initializer())
self.saver = tf.train.Saver(tf.global_variables())
self.rewards = []
def test_agent(policy, file_writer=None, test_games=10, step=0):
game = FlappyBird()
env = PLE(game, fps=30, display_screen=False)
env.init()
test_rewards = []
for _ in range(test_games):
env.reset_game()
no_op(env)
game_rew = 0
while not env.game_over():
state = flappy_game_state(env)
action = 119 if policy(state) == 1 else None
for _ in range(2):
game_rew += env.act(action)
test_rewards.append(game_rew)
if file_writer is not None:
summary = tf.Summary()
summary.value.add(tag='test_performance', simple_value=game_rew)
file_writer.add_summary(summary, step)
file_writer.flush()
return test_rewards
def __init__(self, screen=False, forcefps=True):
self.game = FlappyBird(pipe_gap=125)
self.env = PLE(self.game,
fps=30,
display_screen=screen,
force_fps=forcefps)
self.env.init()
self.env.getGameState = self.game.getGameState
self.X = tf.placeholder(tf.float32, (None, self.INPUT_SIZE))
self.Y = tf.placeholder(tf.float32, (None, self.OUTPUT_SIZE))
input_layer = tf.Variable(
tf.random_normal([self.INPUT_SIZE, self.LAYER_SIZE]))
bias = tf.Variable(tf.random_normal([self.LAYER_SIZE]))
action_layer = tf.Variable(
tf.random_normal([self.LAYER_SIZE // 2, self.OUTPUT_SIZE]))
validation_layer = tf.Variable(
tf.random_normal([self.LAYER_SIZE // 2, 1]))
feed_forward = tf.nn.relu(tf.matmul(self.X, input_layer) + bias)
self.tensor_action, self.tensor_validation = tf.split(
feed_forward, 2, 1)
self.feed_action = tf.matmul(self.tensor_action, action_layer)
self.feed_validation = tf.matmul(self.tensor_validation,
validation_layer)
self.logits = self.feed_validation + tf.subtract(
self.feed_action,
tf.reduce_mean(self.feed_action, axis=1, keep_dims=True))
self.cost = tf.reduce_sum(tf.square(self.Y - self.logits))
self.optimizer = tf.train.AdamOptimizer(
learning_rate=self.LEARNING_RATE).minimize(self.cost)
self.sess = tf.InteractiveSession()
self.sess.run(tf.global_variables_initializer())
self.saver = tf.train.Saver(tf.global_variables())
self.rewards = []
def main_test():
final_score = 0
previous_action = 1
model = build_neural_network_model()
game = FlappyBird(width=288, height=512, pipe_gap=100)
env = PLE(game, fps=30, display_screen=True, state_preprocessor=process_state)
model = load_model("model.h5")
env.init()
passed = 0
old_y = 0
for i in range(game_steps):
if i == game_steps - 1:
print("Score: {}".format(final_score))
if env.game_over():
print("Final Score: {}".format(final_score))
time.sleep(1)
final_score = 0
env.reset_game()
observation = env.getGameState()
vector = model.predict(np.matrix(list(observation[0].values())))
a_star = np.argmax(vector[0])
print(vector[0][0], vector[0][1], a_star)
time.sleep(0.05)
env_reward = env.act(env.getActionSet()[a_star])
if env_reward == 1:
final_score += 1
def score(self, training=True, nb_episodes=10):
reward_values = {
'positive': 1.0,
'negative': 0.0,
'tick': 0.0,
'loss': 0.0,
'win': 0.0
}
env = PLE(FlappyBird(),
fps=30,
display_screen=False,
force_fps=True,
rng=None,
reward_values=reward_values)
env.init()
total_episodes = nb_episodes
score = 0
scores = []
while nb_episodes > 0:
# pick an action
state = env.game.getGameState()
action = self.policy(state)
# step the environment
reward = env.act(env.getActionSet()[action])
score += reward
# reset the environment if the game is over
if env.game_over() or score >= 100:
scores.append(score)
env.reset_game()
nb_episodes -= 1
score = 0
avg_score = sum(scores) / float(len(scores))
print('Games played: {}'.format(total_episodes))
print('Average score: {}'.format(avg_score))
if training:
score_file = '{}/scores.csv'.format(self.name)
# If file doesn't exist, add the header
if not os.path.isfile(score_file):
with open(score_file, 'a') as f:
f.write('avg_score,episode_count,num_of_frames,min,max\n')
# Append scores to the file
with open(score_file, 'a') as f:
f.write('{},{},{},{},{}\n'.format(avg_score,
self.num_of_episodes,
self.num_of_frames,
min(scores), max(scores)))
else:
with open('scores.txt', 'a') as f:
for score in scores:
f.write('{},{}\n'.format(self.name, score))
def main():
env = FlappyBird()
penv = PLE(env, fps=30, display_screen=True,force_fps=True)
#penv.init()
np.random.seed(0)
obs_shape = len(penv.getGameState())
IMG_shape = penv.getScreenGrayscale().shape
action_dim = len(penv.getActionSet())
print(obs_shape,action_dim)
rpm = ReplayMemory(MEMORY_SIZE)
model = Model(act_dim=action_dim)
algorithm = parl.algorithms.DQN(
model, act_dim=action_dim, gamma=GAMMA, lr=LEARNING_RATE)
agent = Agent(
algorithm,
obs_dim=obs_shape,
act_dim=action_dim,
e_greed=0.15, # explore 0.1
e_greed_decrement=1e-6 #1e-6
) # probability of exploring is decreasing during training
# 加载模型
if os.path.exists('./dqn_model.ckpt'):
save_path = './dqn_model.ckpt'
agent.restore(save_path)
print("模型加载成功")
while len(rpm) < MEMORY_WARMUP_SIZE: # warm up replay memory
run_episode(agent, penv, rpm)
max_episode = 1000
# start train
episode = 0
while episode < max_episode:
# train part
for i in range(0, 50):
total_reward = run_episode(agent, penv, rpm)
episode += 1
eval_reward = evaluate(agent, penv)
logger.info('episode:{} test_reward:{}'.format(
episode, eval_reward))
# 训练结束，保存模型
save_path = './model/dqn_model_{}_{}.ckpt'.format(episode, eval_reward)
agent.save(save_path)
# 训练结束，保存模型
save_path = './dqn_model.ckpt'
agent.save(save_path)
def train(nb_frames, agent, a, g, results):
print("alpha %f" % a)
print("gamma %f" % g)
reward_values = agent.reward_values()
env = PLE(FlappyBird(),
fps=30,
display_screen=False,
force_fps=True,
rng=None,
reward_values=reward_values)
env.init()
score = 0
biggest_score = -5
avg_score = 0
number_of_frames = 0
nb_episodes = 0
while number_of_frames < nb_frames:
# pick an action
state = env.game.getGameState()
state = agent.state_binner(state)
action = agent.training_policy(state)
# step the environment
reward = env.act(env.getActionSet()[action])
#print("reward=%d" % reward)
# let the agent observe the current state transition
newState = env.game.getGameState()
newState = agent.state_binner(newState)
agent.observe(state, action, reward, newState, env.game_over())
score += reward
number_of_frames += 1
# reset the environment if the game is over
if env.game_over():
nb_episodes += 1
avg_score += score
if score > biggest_score:
biggest_score = score
print(biggest_score)
print(nb_episodes)
print(number_of_frames)
if nb_episodes % 100 == 0:
print(avg_score / 100)
results[0].append(avg_score / 100)
results[1].append(number_of_frames)
results[2].append(a)
results[3].append(g)
avg_score = 0
#print("score for this episode: %d" % score)
env.reset_game()
score = 0
print(biggest_score)
return results
def __init__(self):
self.game = FlappyBird()
self.p = PLE(self.game, fps=30, display_screen=True)
# self.actions = self.p.getActionSet()
# self._action_space = list(range(self.actions[0]))
# self._action_space.append(self.actions[-1])
self.action_space = self.p.getActionSet()
def __init__(self, render=False, seed=0, pipe_gap=100):
self.seed = seed
print('SEED: {}'.format(self.seed))
game = FlappyBird(pipe_gap=pipe_gap)
self.env = PLE(game, fps=30, display_screen=render, rng=seed)
self.env.init()
self.full_state = np.zeros((1, 4, 80, 80), dtype=np.uint8)
self.frame_sleep = 0.02
def train(FRAME_TRAIN=1000005):
game = FlappyBird()
p = PLE(game, fps=30, display_screen=True)
p.init()
ob = game.getGameState()
state = ob
state = np.reshape(np.asarray(list(state.values())), [1, 8])
total_reward = 0
agent = DDQN_Agent.DeepQAgent()
agent.load("model95000")
batch_size = 32
my_timer = time.time()
prev_frame = 0
data = []
for i in range(FRAME_TRAIN):
if p.game_over():
data.append(total_reward)
p.reset_game()
print(
"Total reward = {}, Frame = {}, epsilon = {}, frame/second = {}"
.format(total_reward, i, agent.epsilon,
(i - prev_frame) / (time.time() - my_timer)))
total_reward = 0
prev_frame = i
my_timer = time.time()
# get action from agent
action = agent.act(state)
# take action
reward = p.act(p.getActionSet()[action])
# making the reward space less sparse
if reward < 0:
reward = -1
total_reward += reward
next_state = np.asarray(list(game.getGameState().values()))
next_state = np.reshape(next_state, [1, 8])
state = next_state
# time.sleep(0.3)
# Plot socre
if i % 1000 == 0:
plot(data)
def __init__(self, display_screen):
self.width = IMAGE_WIDTH
self.height = IMAGE_HEIGHT
self.count = 0
self.p = PLE(FlappyBird(), fps=30, display_screen=display_screen)
self.p.init()
self._update_state()
self.score = 0
def __init__(self):
self.game = FlappyBird(pipe_gap=110)
self.env = PLE(self.game, fps=30, display_screen=False)
self.env.init()
self.env.getGameState = self.game.getGameState # maybe not necessary
# by convention we want to use (0,1)
# but the game uses (None, 119)
self.action_map = self.env.getActionSet() # [None, 119]
# You're not allowed to change this file
from ple.games.flappybird import FlappyBird
from ple import PLE
import numpy as np
from FlappyAgent import FlappyPolicy
game = FlappyBird(graphics="fixed") # use "fancy" for full background, random bird color and random pipe color, use "fixed" (default) for black background and constant bird and pipe colors.
p = PLE(game, fps=30, frame_skip=1, num_steps=1, force_fps=False, display_screen=True)
# Note: if you want to see you agent act in real time, set force_fps to False. But don't use this setting for learning, just for display purposes.
p.init()
reward = 0.0
nb_games = 100
cumulated = np.zeros((nb_games))
for i in range(nb_games):
p.reset_game()
while(not p.game_over()):
state = game.getGameState()
screen = p.getScreenRGB()
action=FlappyPolicy(state, screen) ### Your job is to define this function.
reward = p.act(action)
cumulated[i] = cumulated[i] + reward
average_score = np.mean(cumulated)
max_score = np.max(cumulated)