-
Notifications
You must be signed in to change notification settings - Fork 0
/
keyboardAgents.py
84 lines (70 loc) · 3.07 KB
/
keyboardAgents.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
# 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
# ([email protected]) and Dan Klein ([email protected]).
# Student side autograding was added by Brad Miller, Nick Hay, and
# Pieter Abbeel ([email protected]).
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 = list(keys_waiting()) + list(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