def test_serialization(dim=(8, 8),
num_boxes=1,
mode='rgb_array',
seed=None,
curriculum=300):
from ctypes import c_uint
if not seed:
_, seed = seeding.np_random(None)
env = SokobanEnv(dim_room=dim,
max_steps=100,
num_boxes=num_boxes,
mode=mode,
curriculum=curriculum)
env.seed(seed)
env.reset()
state = env.clone_full_state()
obs = env.render(mode='rgb_array')
value = np.float32(5.0)
shapes = (state.shape, obs.shape, (1, ))
type = (state.dtype, obs.dtype, np.float32)
buf_size = env.max_steps * np.array([np.prod(x) for x in shapes])
game = [(state, obs, value), (state, obs, value)]
serial = serialize_game(game, type, buf_size)
zz = np.frombuffer(serial, dtype=np.uint8)
dgame = deserialize_game(serial, buf_size, shapes, type)
return [[(i == j).all() for i, j in zip(a, b)]
for a, b in zip(game, dgame)]
def create_env(seed, dim_room=(13, 13), num_boxes=5):
env = SokobanEnv(dim_room=dim_room,
max_steps=100,
num_boxes=num_boxes,
mode='rgb_array',
max_distinct_rooms=10)
env.seed(seed)
return env
def test_recover(dim=(13, 13), num_boxes=5, mode='rgb_array', seed=None):
if not seed:
_, seed = seeding.np_random(None)
env = SokobanEnv(dim_room=dim,
max_steps=100,
num_boxes=num_boxes,
mode=mode,
max_distinct_rooms=10)
env.seed(seed)
env.reset()
obs = env.render()
state = env.clone_full_state()
print(state == env.recover_state(obs))
def generate_next_frame_and_done_data(env_kwargs,
seed,
n_trajectories=100,
trajectory_len=40,
clone_done=100):
num_boxes_range = next_frame_and_done_data_params()["num_boxes_range"]
if num_boxes_range is None:
print("num_boxes_range", num_boxes_range)
num_boxes_range = [env_kwargs["num_boxes"]]
env_kwargs = deepcopy(env_kwargs)
np.random.seed(seed)
env_kwargs["num_boxes"] = num_boxes_range[np.random.randint(
len(num_boxes_range))]
render_env = SokobanEnv(**env_kwargs)
render_env.seed(seed)
trajectories = list() # [(observations, actions, done), ...]
for i in range(n_trajectories):
render_env.reset()
state = render_env.clone_full_state()
# generate random path
trajectories.append(
random_trajectory(state, render_env, trajectory_len))
# parse trajectories into arrays
data_x = list()
data_y_next_frame = list()
data_y_if_done = list()
for obs, actions, done in trajectories:
data_x.extend([
image_with_embedded_action(ob, action, render_env.action_space.n)
for ob, action in zip(obs[:-1], actions)
])
data_y_next_frame.extend([ob for ob in obs[1:]])
data_y_if_done.extend([False] * (len(actions) - 1) + [done])
if done and (clone_done > 1):
data_x.extend([data_x[-1].copy() for _ in range(clone_done)])
data_y_next_frame.extend(
[data_y_next_frame[-1].copy() for _ in range(clone_done)])
data_y_if_done.extend(
[data_y_if_done[-1] for _ in range(clone_done)])
data_x = np.array(data_x)
data_y = {
Target.NEXT_FRAME.value: np.array(data_y_next_frame),
"if_done": np.array(data_y_if_done).reshape((-1, 1)).astype(int),
}
return data_x, data_y, {}
def test_seed(dim=(13, 13), num_boxes=5, mode='rgb_array', seed=None):
from ctypes import c_uint
if not seed:
_, seed = seeding.np_random(None)
env = SokobanEnv(dim_room=dim,
max_steps=100,
num_boxes=num_boxes,
mode='rgb_array')
env.seed(seed)
print("Seed: {}".format(np.uint32(c_uint(seed))))
from PIL import Image
env.reset()
img = env.render()
Image.fromarray(img, "RGB").resize((200, 200)).show()