class cacheing_pddl_agent:
def __init__(self):
self.moves=[] # list of moves to carry out moves.pop() is next move
self.state = StateWorld()
self.moves = []
self.locs=[] # list of where chip will be after each move
self.tick = 0
global verbose
verbose = cfg.opts.pddl_agent_verbose
def get_move(self):
"""return a move"""
if verbose:
print "agent (move requested)"
print "agent (printing game status prior to move)"
print_game_status()
self.tick += 1
self.state.update()
if verbose and len( self.locs) > 2 :
print self.locs[-1]
print self.locs[-2]
if len( self.moves ) and ( len( self.locs ) and self.locs.pop() == tw.chips_pos() or
len( self.locs ) and self.locs.pop() == tw.chips_pos()):
move = self.moves.pop()
if verbose: print "agent (cached move: %s)" % translate_tw_move(move)
return move
if verbose: print "agent (no cached moves or plan no longer valid)"
pddl_file_name = self.create_pddl_file(lambda(file):self.state.write_pddl(file))
found_plan=False #can we get to the exit
try:
# get moves and translate them
if verbose: print "agent (running planner)"
string_moves= downward.run( pddl_file_name )
found_plan = True
print string_moves
except Exception, e:
found_plan = False
if verbose:
print e
print "Caught exception"
if not found_plan:
assert (not cfg.opts.agent_memoryless)
if verbose: print "agent (no plan to reach goal, generating plan to reach any chips)"
pddl_file_name = self.create_pddl_file(lambda(file):self.state.write_chips_pddl(file))
if verbose: print "agent (running planner again)"
try:
string_moves= downward.run( pddl_file_name )
found_plan = True
except Exception, e:
if verbose:
print e
print "Chips plan faild"
def __init__(self):
self.moves=[] # list of moves to carry out moves.pop() is next move
self.state = StateWorld()
self.moves = []
self.locs=[] # list of where chip will be after each move
self.tick = 0
global verbose
verbose = cfg.opts.pddl_agent_verbose