You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
85 lines
3.0 KiB
85 lines
3.0 KiB
3 years ago
|
# keyboardAgents.py
|
||
|
|
# -----------------
|
||
|
|
# Licensing Information: You are free to use or extend these projects for
|
||
|
|
# educational purposes provided that (1) you do not distribute or publish
|
||
|
|
# solutions, (2) you retain this notice, and (3) you provide clear
|
||
|
|
# attribution to UC Berkeley, including a link to http://ai.berkeley.edu.
|
||
|
|
#
|
||
|
|
# Attribution Information: The Pacman AI projects were developed at UC Berkeley.
|
||
|
|
# The core projects and autograders were primarily created by John DeNero
|
||
|
|
# (denero@cs.berkeley.edu) and Dan Klein (klein@cs.berkeley.edu).
|
||
|
|
# Student side autograding was added by Brad Miller, Nick Hay, and
|
||
|
|
# Pieter Abbeel (pabbeel@cs.berkeley.edu).
|
||
|
|
|
||
|
|
|
||
|
|
from game import Agent
|
||
|
|
from game import Directions
|
||
|
|
import random
|
||
|
|
|
||
|
|
class KeyboardAgent(Agent):
|
||
|
|
"""
|
||
|
|
An agent controlled by the keyboard.
|
||
|
|
"""
|
||
|
|
# NOTE: Arrow keys also work.
|
||
|
|
WEST_KEY = 'a'
|
||
|
|
EAST_KEY = 'd'
|
||
|
|
NORTH_KEY = 'w'
|
||
|
|
SOUTH_KEY = 's'
|
||
|
|
STOP_KEY = 'q'
|
||
|
|
|
||
|
|
def __init__( self, index = 0 ):
|
||
|
|
|
||
|
|
self.lastMove = Directions.STOP
|
||
|
|
self.index = index
|
||
|
|
self.keys = []
|
||
|
|
|
||
|
|
def getAction( self, state):
|
||
|
|
from graphicsUtils import keys_waiting
|
||
|
|
from graphicsUtils import keys_pressed
|
||
|
|
keys = keys_waiting() + keys_pressed()
|
||
|
|
if keys != []:
|
||
|
|
self.keys = keys
|
||
|
|
|
||
|
|
legal = state.getLegalActions(self.index)
|
||
|
|
move = self.getMove(legal)
|
||
|
|
|
||
|
|
if move == Directions.STOP:
|
||
|
|
# Try to move in the same direction as before
|
||
|
|
if self.lastMove in legal:
|
||
|
|
move = self.lastMove
|
||
|
|
|
||
|
|
if (self.STOP_KEY in self.keys) and Directions.STOP in legal: move = Directions.STOP
|
||
|
|
|
||
|
|
if move not in legal:
|
||
|
|
move = random.choice(legal)
|
||
|
|
|
||
|
|
self.lastMove = move
|
||
|
|
return move
|
||
|
|
|
||
|
|
def getMove(self, legal):
|
||
|
|
move = Directions.STOP
|
||
|
|
if (self.WEST_KEY in self.keys or 'Left' in self.keys) and Directions.WEST in legal: move = Directions.WEST
|
||
|
|
if (self.EAST_KEY in self.keys or 'Right' in self.keys) and Directions.EAST in legal: move = Directions.EAST
|
||
|
|
if (self.NORTH_KEY in self.keys or 'Up' in self.keys) and Directions.NORTH in legal: move = Directions.NORTH
|
||
|
|
if (self.SOUTH_KEY in self.keys or 'Down' in self.keys) and Directions.SOUTH in legal: move = Directions.SOUTH
|
||
|
|
return move
|
||
|
|
|
||
|
|
class KeyboardAgent2(KeyboardAgent):
|
||
|
|
"""
|
||
|
|
A second agent controlled by the keyboard.
|
||
|
|
"""
|
||
|
|
# NOTE: Arrow keys also work.
|
||
|
|
WEST_KEY = 'j'
|
||
|
|
EAST_KEY = "l"
|
||
|
|
NORTH_KEY = 'i'
|
||
|
|
SOUTH_KEY = 'k'
|
||
|
|
STOP_KEY = 'u'
|
||
|
|
|
||
|
|
def getMove(self, legal):
|
||
|
|
move = Directions.STOP
|
||
|
|
if (self.WEST_KEY in self.keys) and Directions.WEST in legal: move = Directions.WEST
|
||
|
|
if (self.EAST_KEY in self.keys) and Directions.EAST in legal: move = Directions.EAST
|
||
|
|
if (self.NORTH_KEY in self.keys) and Directions.NORTH in legal: move = Directions.NORTH
|
||
|
|
if (self.SOUTH_KEY in self.keys) and Directions.SOUTH in legal: move = Directions.SOUTH
|
||
|
|
return move
|