def stepBack(name, stack):
while len(stack) != 0:
# go backward
nextDirection = getNextDirection_Backward(stack.pop())
# step backward
print updatewumpusNowWithRocks.take_action(name, nextDirection)
print updatewumpusNowWithRocks.take_action(name, "Step")
def go_back_home(world, home, percepts, order_to_visit):
location = percepts[5]
adjacents = updatewumpusNowWithRocks.look_ahead(world)
for cell in order_to_visit[order_to_visit.index(home):]:
if cell in adjacents:
updatewumpusNowWithRocks.take_action(world,
face_to(cell, percepts))
percepts = updatewumpusNowWithRocks.take_action(world, 'Step')
return percepts
def tryToKillWumpus(name, smellFlag, adjacentCell, solidList, notSolidList,
currentCell):
if smellFlag == 'nasty':
for cell in adjacentCell:
if cell not in solidList and cell not in notSolidList:
shootDirection = getNextDirection(currentCell, cell)
print updatewumpusNowWithRocks.take_action(
name, shootDirection)
print updatewumpusNowWithRocks.take_action(name, 'Shoot')
return cell
def killWumpusProcess(name, maybeWumpusList, solidList, notSolidList, stack):
# find Wumpus pos
wumpus_pos = Counter(maybeWumpusList).most_common()
if len(wumpus_pos) == 0:
return 'TBD'
print wumpus_pos
wumpus_pos = wumpus_pos[0][0]
# initialize lists
maybePitList = []
maybeWumpusList = []
visited = []
res = '';
# find wumpus pos
while True:
adjacentCell = updatewumpusNowWithRocks.look_ahead(name)
[smellFlag, airFlag, goldFlag, currentCell, livingFlag] = libWumpusWorld.getCurrentState(name)
# add currentCell to visited List
visited.append(currentCell)
if currentCell not in solidList:
solidList.append(currentCell)
# check stop sign
if wumpus_pos in adjacentCell:
# find wumpus, kill it
shootDirection = libWumpusWorld.getNextDirection(currentCell, wumpus_pos)
print updatewumpusNowWithRocks.take_action(name, shootDirection)
print updatewumpusNowWithRocks.take_action(name, 'Shoot')
shootedState = updatewumpusNowWithRocks.take_action(name, "Left")
if shootedState[8] == 100 or shootedState[8] == 1100:
res = wumpus_pos
break
else:
res = 'NotSucceeded'
break
# add facts to current list
libWumpusWorld.addFactsProcess(adjacentCell, smellFlag, airFlag, maybeWumpusList, maybePitList, solidList,
notSolidList)
# next step
flag = libWumpusWorld.nextStep(name, adjacentCell, visited, solidList, notSolidList, currentCell, stack)
if flag:
res = 'NotFound'
# after kill step back
libWumpusWorld.stepBack(name, stack)
return res
def pitFindProcess(name, PitList, solidList, notSolidList, stack):
# initialize lists
maybePitList = []
maybeWumpusList = []
visited = []
# return value
resSolidList = []
resNotSolidList = []
# find pit pos
while True:
adjacentCell = updatewumpusNowWithRocks.look_ahead(name)
[smellFlag, airFlag, goldFlag, currentCell, livingFlag] = libWumpusWorld.getCurrentState(name)
# add currentCell to visited List
visited.append(currentCell)
if currentCell not in solidList:
solidList.append(currentCell)
# add facts to current list
libWumpusWorld.addFactsProcess(adjacentCell, smellFlag, airFlag, maybeWumpusList, maybePitList, solidList,
notSolidList)
# add value to res Lists
for cell in adjacentCell:
if cell in PitList:
tossDirection = libWumpusWorld.getNextDirection(currentCell, cell)
print updatewumpusNowWithRocks.take_action(name, tossDirection)
sign = updatewumpusNowWithRocks.take_action(name, 'Toss')
if sign == 'Quiet':
resNotSolidList.append(cell)
elif sign == 'Clink':
resSolidList.append(cell)
else:
break
PitList = filter(lambda a: a != cell, PitList)
# check stop sign
if len(PitList) == 0:
break
# next step
flag = libWumpusWorld.nextStep(name, adjacentCell, visited, solidList, notSolidList, currentCell, stack)
if flag:
break
# after toss step back
libWumpusWorld.stepBack(name, stack)
return [resSolidList, resNotSolidList]
def getCurrentState(name):
currentState = updatewumpusNowWithRocks.take_action(name, "Left")
smellFlag = currentState[0]
airFlag = currentState[1]
goldFlag = currentState[2]
currentCell = currentState[5]
livingFlag = currentState[7]
return [smellFlag, airFlag, goldFlag, currentCell, livingFlag]
def pickUpGold(name, stack):
currentState = updatewumpusNowWithRocks.take_action(name, "Left")
goldFlag = currentState[2]
if goldFlag == "glitter":
# gold finded and back to start pos
print updatewumpusNowWithRocks.take_action(name, 'PickUp')
while len(stack) != 0:
# go backward
nextDirection = getNextDirection_Backward(stack.pop())
# step backward
print updatewumpusNowWithRocks.take_action(name, nextDirection)
print updatewumpusNowWithRocks.take_action(name, "Step")
def tryToDie(name):
visited = []
stack = []
# find gold pos
while True:
adjacentCell = updatewumpusNowWithRocks.look_ahead(name)
currentState = updatewumpusNowWithRocks.take_action(name, "Left")
if currentState == None:
break
currentCell = currentState[5]
# add currentCell to visited List
visited.append(currentCell)
# next step
flag = libWumpusWorld.nextStep(name, adjacentCell, visited, adjacentCell, [], currentCell, stack)
if flag:
break
# after toss step back
libWumpusWorld.stepBack(name, stack)
def nextStep(name, adjacentCell, visited, solidList, notSolidList, currentCell,
stack):
forwardFlag = False
for cell in adjacentCell:
if (cell in visited) or (cell not in solidList) or (cell
in notSolidList):
continue
forwardFlag = True
nextDirection = getNextDirection(currentCell, cell)
# add nextDirection to stack
stack.append(nextDirection)
# step forward
print updatewumpusNowWithRocks.take_action(name, nextDirection)
print updatewumpusNowWithRocks.take_action(name, "Step")
break
if len(stack) == 0:
return True
if not forwardFlag:
# if there is no solid cell near, go backward and the current pos is not the start pos
nextDirection = getNextDirection_Backward(stack.pop())
# step backward
print updatewumpusNowWithRocks.take_action(name, nextDirection)
print updatewumpusNowWithRocks.take_action(name, "Step")
def find_gold(world, percepts, facts, rules, order_to_visit, trace):
location = percepts[5]
if location in order_to_visit:
order_to_visit.remove(location)
order_to_visit.append(location)
trace.append(location)
# add facts and run inferences
add_percepts(world, percepts, facts)
inference_engine(rules, facts)
adjacents = updatewumpusNowWithRocks.look_ahead(world)
if ['try_rock', location] in facts:
print "trying rock"
for cell in adjacents:
if ['pit', cell] not in facts and ['safe', cell] not in facts:
print "found a guess"
updatewumpusNowWithRocks.take_action(world,
face_to(cell, percepts))
sound = updatewumpusNowWithRocks.take_action(world, 'Toss')
if sound == 'Quiet':
insert_fact(['pit', cell], facts)
if sound == 'Clink':
insert_fact(['solid', cell], facts)
facts.remove(['try_rock', location])
for cell in adjacents:
if ['wumpus', cell] in facts:
updatewumpusNowWithRocks.take_action(world,
face_to(cell, percepts))
percepts = updatewumpusNowWithRocks.take_action(world, 'Shoot')
for fact in facts:
if fact[0] == 'wumpus' or fact[0] == 'nasty':
facts.remove(fact)
print "removing fact" + str(fact)
return percepts
# this block moves to an adjacent cell if any are safe & unvisited
for cell in adjacents:
if cell not in order_to_visit:
if ['safe', cell] in facts:
print "\n*********************************\nTrying unvisited cell: " + str(
cell)
updatewumpusNowWithRocks.take_action(world,
face_to(cell, percepts))
percepts = updatewumpusNowWithRocks.take_action(world, 'Step')
return percepts
# this block ranks cells to move to, choosing the one that was visited the longest ago, then moves
# that cell to the end of the order
rankings = []
for cell in adjacents:
if ['safe', cell] in facts:
rankings.append(order_to_visit.index(cell))
else:
rankings.append(999)
index = rankings.index(min(rankings))
if min(rankings) < 999:
# get the min scored cell
move_to = adjacents[index]
# move to end of list
order_to_visit.remove(move_to)
order_to_visit.append(move_to)
# move to that cell
print "\n*********************************\nTrying to revisit " + str(
move_to)
updatewumpusNowWithRocks.take_action(world, face_to(move_to, percepts))
percepts = updatewumpusNowWithRocks.take_action(world, 'Step')
return percepts
move_to = trace[-2]
print "\n*********************************\nTrying to step back to " + str(
move_to)
updatewumpusNowWithRocks.take_action(world, face_to(move_to, percepts))
percepts = updatewumpusNowWithRocks.take_action(world, 'Step')
return percepts
def go_back_home(world, home, percepts, order_to_visit):
location = percepts[5]
adjacents = updatewumpusNowWithRocks.look_ahead(world)
for cell in order_to_visit[order_to_visit.index(home):]:
if cell in adjacents:
updatewumpusNowWithRocks.take_action(world,
face_to(cell, percepts))
percepts = updatewumpusNowWithRocks.take_action(world, 'Step')
return percepts
#start the actual solutione
order_to_visit = []
trace = []
percepts = updatewumpusNowWithRocks.take_action(world, "Up")
home = percepts[5]
while percepts[2] != 'glitter' and percepts[
7] != 'dead': #until we find the gold
percepts = find_gold(world, percepts, facts, rules, order_to_visit, trace)
print order_to_visit
add_percepts(world, percepts, facts)
inference_engine(rules, facts)
updatewumpusNowWithRocks.take_action(world, "PickUp")
while percepts[5] != home:
percepts = go_back_home(world, home, percepts, order_to_visit)
maybeWumpusList] = impWumpusWorld.findGoldProcess(name, solidList,
notSolidList, stack)
print stack
# try to kill wumpus
killRes = impWumpusWorld.killWumpusProcess(name, maybeWumpusList,
solidList, notSolidList, stack)
if killRes in maybeWumpusList:
print killRes + ' : Kill Succeeded'
solidList.append(killRes)
maybePitList = filter(lambda a: a != killRes, maybePitList)
else:
print killRes
# game ending flag check
currentState = updatewumpusNowWithRocks.take_action(name, "Left")
score = currentState[8]
if score == 1100:
updatewumpusNowWithRocks.take_action(name, "Exit")
break
else:
[resSolidList, resNotSolidList
] = impWumpusWorld.pitFindProcess(name, maybePitList, solidList,
notSolidList, stack)
for e in resNotSolidList:
if e not in notSolidList:
notSolidList.append(e)
for e in resSolidList:
if e not in solidList:
solidList.append(e)
