def find_path(start, goal):
maze_ops = make_maze_ops()
gps2.use(maze_ops)
start_state = ('at '+str(start),)
goal_state = ('at '+str(goal),)
path = gps2.gps2(start_state, goal_state, maze_ops)
print_path(path, start)
('at-middle-room', 'on-floor')),
gps2.operator('push-chair-from-door-to-middle-room',
('chair-at-door', 'at-door'),
('chair-at-middle-room', 'at-middle-room'),
('chair-at-door', 'at-door')),
gps2.operator('walk-from-door-to-middle-room',
('at-door', 'on-floor'),
('at-middle-room',),
('at-door',)),
gps2.operator('grasp-bananas',
('at-bananas', 'empty-handed'),
('has-bananas',),
('empty-handed',)),
gps2.operator('drop-ball',
('has-ball',),
('empty-handed',),
('has-ball',)),
gps2.operator('eat-bananas',
('has-bananas',),
('empty-handed', 'not-hungry'),
('has-bananas', 'hungry'))
]
gps2.use(banana_ops)
print gps2.gps2( ('at-door', 'on-floor', 'has-ball', 'hungry', 'chair-at-door'),
('not-hungry',),
banana_ops)
for item in l:
r.append(on(item, 'table'))
return r
def all_top_is_space(l):
r = []
for item in l:
r.append(on('space', item))
return r
# The simplest possible problem
print "----- 1 -----"
blocks = ['a','b']
ops = make_block_ops(blocks)
gps2.use(ops)
start1 = tuple(all_object_on_table(blocks) + all_top_is_space(blocks) + [on('space', 'table'),])
print start1
goal1 = [on('a', 'b'), on('b', 'table')]
print gps2.gps2(start1, goal1, ops)
print ""
# 3 blocks
print "----- 2 -----"
blocks = ['a','b','c']
ops = make_block_ops(blocks)
gps2.use(ops)
start2 = tuple([on('a', 'b'), on('b', 'c'), on('c', 'table'), on('space', 'a'), on('space', 'table')])
print start2
goal2 = [on('a', 'table'), on('b', 'a')]
