def _gen_grid(self, width, height):
"""Grid is initially empty, because adversary will create it."""
# Create an empty grid
self.grid = multigrid.Grid(width, height)
# Generate the surrounding walls
self.grid.wall_rect(0, 0, width, height)
def _gen_grid(self, width, height):
self.height = height
# Create an empty grid
self.grid = multigrid.Grid(width, height)
# Generate the surrounding walls
self.grid.wall_rect(0, 0, width, height)
# Place a goal in the bottom-right corner
self.put_obj(minigrid.Goal(), width - 2, height - 2)
# Create a vertical splitting wall
if width <= 5:
start_idx = 2
else:
start_idx = 3
self.split_idx = self._rand_int(start_idx, width - 2)
self.grid.vert_wall(self.split_idx, 0)
# Place the agent at a random position and orientation
# on the left side of the splitting wall
self.place_agent(size=(self.split_idx, height))
# Place a door in the wall
door_idx = self._rand_int(1, width - 2)
self.put_obj(multigrid.Door('yellow', is_locked=True), self.split_idx,
door_idx)
# Place a yellow key on the left side
self.place_obj(obj=minigrid.Key('yellow'),
top=(0, 0),
size=(self.split_idx, height))
self.mission = 'Use the key to open the door and then get to the goal'
def _gen_grid(self, width, height):
self.height = height
# Create an empty grid
self.grid = multigrid.Grid(width, height)
# Generate the surrounding walls
self.grid.wall_rect(0, 0, width, height)
# Place a goal in the bottom-right corner
self.place_obj(minigrid.Goal(), max_tries=100)
self.place_agent()
for i in range(self.n_agents):
self.doors[i] = multigrid.Door('grey', is_locked=True)
self.place_obj(self.doors[i], max_tries=100)
self.keys[i] = minigrid.Key('grey')
self.place_obj(self.keys[i], max_tries=100)
self.balls[i] = minigrid.Ball('purple')
self.place_obj(self.balls[i], max_tries=100)
self.boxes[i] = minigrid.Box('green')
self.place_obj(self.boxes[i], max_tries=100)
self.task_idx = [0] * self.n_agents
self.mission = 'Do some random tasks'
def _gen_grid(self, width, height):
# Create the grid
self.grid = multigrid.Grid(width, height)
# Generate the surrounding walls
self.grid.horz_wall(0, 0)
self.grid.horz_wall(0, height - 1)
self.grid.vert_wall(0, 0)
self.grid.vert_wall(width - 1, 0)
room_w = width // 2
room_h = height // 2
# For each row of rooms
for j in range(0, 2):
# For each column
for i in range(0, 2):
x_left = i * room_w
y_top = j * room_h
x_right = x_left + room_w
y_bottom = y_top + room_h
# Vertical wall and door
if i + 1 < 2:
self.grid.vert_wall(x_right, y_top, room_h)
if not (j == 1 and self.two_rooms and height < 7):
pos = (x_right, self._rand_int(y_top + 1, y_bottom))
if not (pos[0] <= 1 or pos[0] >= width - 1
or pos[1] <= 0 or pos[1] >= height - 1):
self.grid.set(*pos, None)
# Horizontal wall and door
if not self.two_rooms:
if j + 1 < 2:
self.grid.horz_wall(x_left, y_bottom, room_w)
pos = (self._rand_int(x_left + 1, x_right), y_bottom)
if not (pos[0] <= 1 or pos[0] >= width - 1
or pos[1] <= 0 or pos[1] >= height - 1):
self.grid.set(*pos, None)
# Randomize the player start position and orientation
if self._agent_default_pos is not None:
self.agent_pos = self._agent_default_pos
self.grid.set(*self._agent_default_pos, None)
self.agent_dir = self._rand_int(0, 4) # random start direction
else:
self.place_agent()
if self._goal_default_pos is not None:
goal = minigrid.Goal()
self.put_obj(goal, *self._goal_default_pos)
goal.init_pos, goal.cur_pos = self._goal_default_pos
else:
self.place_obj(minigrid.Goal())
self.mission = 'Reach the goal'
def _gen_grid(self, width, height):
self.grid = multigrid.Grid(width, height)
self.grid.wall_rect(0, 0, width, height)
for _ in range(self.n_clutter):
self.place_obj(minigrid.Wall(), max_tries=100)
self.place_agent()
self.mission = 'Play tag'
def _gen_grid(self, width, height):
self.grid = multigrid.Grid(width, height)
self.grid.wall_rect(0, 0, width, height)
for i in range(self.n_goals):
self.place_obj(self.objects[i], max_tries=100)
for _ in range(self.n_clutter):
self.place_obj(minigrid.Wall(), max_tries=100)
self.place_agent()
self.mission = 'pick up coins corresponding to your color'
def _gen_grid(self, width, height):
self.grid = multigrid.Grid(width, height)
self.grid.wall_rect(0, 0, width, height)
for stag in self.stags:
self.place_obj(stag, max_tries=100)
for plant in self.plants:
self.place_obj(plant, max_tries=100)
for _ in range(self.n_clutter):
self.place_obj(minigrid.Wall(), max_tries=100)
self.place_agent()
self.mission = 'Toggle the stag at the same time'
def _gen_grid(self, width, height):
self.grid = multigrid.Grid(width, height)
self.grid.wall_rect(0, 0, width, height)
for i in range(self.n_goals):
pos = self.place_obj(multigrid.Door(color='red', is_locked=True),
max_tries=100)
self.goal_pos[i] = pos
for _ in range(self.n_clutter):
self.place_obj(minigrid.Wall(), max_tries=100)
self.place_agent()
self.mission = 'meet up'
def _gen_grid(self, width, height):
self.grid = multigrid.Grid(width, height)
self.grid.wall_rect(0, 0, width, height)
if self.randomize_goal:
self.place_obj(minigrid.Goal(), max_tries=100)
else:
self.put_obj(minigrid.Goal(), width - 2, height - 2)
for _ in range(self.n_clutter):
self.place_obj(LavaWall(), max_tries=100)
self.place_agent()
self.mission = 'get to the green square'
def _gen_grid(self, width, height):
# Create an empty grid
self.grid = multigrid.Grid(width, height)
# Generate the surrounding walls
self.grid.wall_rect(0, 0, width, height)
if self.randomize_goal:
self.place_obj(minigrid.Goal(), max_tries=100)
else:
# Place a goal square in the bottom-right corner
self.put_obj(minigrid.Goal(), width - 2, height - 2)
# Place the agents
self.place_agent()
self.mission = 'get to the green goal square'
def _gen_grid(self, width, height):
# Create an empty grid
self.grid = multigrid.Grid(width, height)
# Generate the surrounding walls
self.grid.wall_rect(0, 0, width, height)
# Goal
self.put_obj(minigrid.Goal(), self.goal_pos[0], self.goal_pos[1])
# Agent
self.place_agent_at_pos(0, self.start_pos)
# Walls
for x in range(self.bit_map.shape[0]):
for y in range(self.bit_map.shape[1]):
if self.bit_map[y, x]:
# Add an offset of 1 for the outer walls
self.put_obj(minigrid.Wall(), x + 1, y + 1)
def _gen_grid(self, width, height):
self.grid = multigrid.Grid(width, height)
self.grid.wall_rect(0, 0, width, height)
self.objects = []
self.colors = (np.random.choice(len(minigrid.IDX_TO_COLOR) - 1,
size=self.n_colors,
replace=False) + 1).tolist()
for i in range(self.n_goals):
if self.random_colors:
color = minigrid.IDX_TO_COLOR[np.random.choice(self.colors)]
else:
color = minigrid.IDX_TO_COLOR[self.colors[i % self.n_colors]]
self.objects.append(minigrid.Ball(color=color))
self.place_obj(self.objects[i], max_tries=100)
for _ in range(self.n_clutter):
self.place_obj(minigrid.Wall(), max_tries=100)
self.place_agent()
self.mission = 'pick up objects'
