def town(grid, fill_room=True, add_entrances=False):
"""Adds buildings to a grid"""
town_dim = (min(grid.cols, grid.rows) - 2) // 7
room_dim = (grid.cols - 2) // town_dim, (grid.rows - 2) // town_dim
for x in xrange(town_dim):
for y in xrange(town_dim):
pos = types.Coordinate(x * room_dim[0] + 1, y * room_dim[1] + 1)
room = _create_room(pos, room_dim, .75)
if room[1][0] - room[0][0] <= 1:
continue
if fill_room:
_fill_room(grid, room, False)
else:
_outline_room(grid, room, False)
if add_entrances:
if dice.coinflip():
doorx = room[0][0] if dice.coinflip() else room[1][0] - 1
doory = dice.randrange(room[0][1] + 1, room[1][1] - 1)
else:
doorx = dice.randrange(room[0][0] + 1, room[1][0] - 1)
doory = room[0][1] if dice.coinflip() else room[1][1] - 1
grid[doorx, doory] = True
def _abstract_half_braid(cols, rows):
maze = _abstract_perfect(cols, rows)
deadends = _find_deadends(maze)
deadends = [end for end in deadends if dice.coinflip()]
_remove_deadends(maze, deadends)
return maze
