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fixed grabbing behaviour in agent by omar-3 · Pull Request #1148 · aimacode/aima-python · GitHub

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fixed grabbing behaviour in agent #1148

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Merged
antmarakis merged 5 commits into from
Mar 18, 2020
Conversation 24 Commits 5 Checks 0 Files changed
Merged

fixed grabbing behaviour in agent #1148

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e2a2bf6
fixed grabbing behaviour in agent
Jan 7, 2020
f660166
fixed the grabbing issues and itegrated into wumpus environment
Jan 7, 2020
6da942d
cleaned the code a bit
Feb 18, 2020
679ab34
fixing the code space formatting
Feb 20, 2020
2018895
fixing format
Mar 6, 2020
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45 changes: 13 additions & 32 deletions agents.py
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Original file line number Diff line number Diff line change
Expand Up @@ -27,11 +27,6 @@
"""

# TODO
# Implement grabbing correctly.
# When an object is grabbed, does it still have a location?
# What if it is released?
# What if the grabbed or the grabber is deleted?
# What if the grabber moves?
# Speed control in GUI does not have any effect -- fix it.

from utils import distance_squared, turn_heading
Expand Down Expand Up @@ -510,14 +505,17 @@ def execute_action(self, agent, action):
agent.direction += Direction.L
elif action == 'Forward':
agent.bump = self.move_to(agent, agent.direction.move_forward(agent.location))
# elif action == 'Grab':
# things = [thing for thing in self.list_things_at(agent.location)
# if agent.can_grab(thing)]
# if things:
# agent.holding.append(things[0])
elif action == 'Grab':
things = [thing for thing in self.list_things_at(agent.location) if agent.can_grab(thing)]
if things:
agent.holding.append(things[0])
print("Grabbing ", things[0].__class__.__name__)
self.delete_thing(things[0])
elif action == 'Release':
if agent.holding:
agent.holding.pop()
dropped = agent.holding.pop()
print("Dropping ", dropped.__class__.__name__)
self.add_thing(dropped, location=agent.location)

def default_location(self, thing):
location = self.random_location_inbounds()
Expand Down Expand Up @@ -569,10 +567,7 @@ def random_location_inbounds(self, exclude=None):
def delete_thing(self, thing):
"""Deletes thing, and everything it is holding (if thing is an agent)"""
if isinstance(thing, Agent):
for obj in thing.holding:
super().delete_thing(obj)
for obs in self.observers:
obs.thing_deleted(obj)
del thing.holding

super().delete_thing(thing)
for obs in self.observers:
Expand Down Expand Up @@ -964,24 +959,10 @@ def execute_action(self, agent, action):

if isinstance(agent, Explorer) and self.in_danger(agent):
return

agent.bump = False
if action == 'TurnRight':
agent.direction += Direction.R
agent.performance -= 1
elif action == 'TurnLeft':
agent.direction += Direction.L
agent.performance -= 1
elif action == 'Forward':
agent.bump = self.move_to(agent, agent.direction.move_forward(agent.location))
agent.performance -= 1
elif action == 'Grab':
things = [thing for thing in self.list_things_at(agent.location)
if agent.can_grab(thing)]
if len(things):
print("Grabbing", things[0].__class__.__name__)
if len(things):
agent.holding.append(things[0])
if action in ['TurnRight', 'TurnLeft', 'Forward', 'Grab']:
super().execute_action(agent, action)
agent.performance -= 1
elif action == 'Climb':
if agent.location == (1, 1): # Agent can only climb out of (1,1)
Expand Down
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