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whboard.py
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whboard.py
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from whblock import Block
from whpoint import Point
from whhunter import Hunter
import random
##############################################
# The Board
# Contains the actual map("cave") data
# and the wumpus status
##############################################
class Board():
def __init__(self, n, surr):
self.surr = surr
# Last
self.restart(n)
def restart(self, n):
self.size = n
self.wp = 0.06
self.pp = 0.06
numsq = n.x*n.y
self.numpit = int(numsq * self.pp)
self.numwalls = int(numsq * self.wp)
self.createMap()
self.goldTaken = False
self.running = True
# Create map objects
def createMap(self):
self.map = []
for i in range (0, self.size.x):
new = []
for j in range (0, self.size.y):
new.append(Block("empty", i, j))
self.map.append(new)
self.initWalls()
self.initPitfalls()
self.hdir = Point(0,1)
self.hpos = self.getRandomAvailable(True)
self.home = self.hpos.clone()
self.clearHome()
self.placeOnce("wumpus")
self.placeOnce("gold")
# Create the wumpus hunter based on
# which tiles are free
def createHunter(self):
return Hunter(self.hpos.clone(), self.hdir.clone(), self.size, self.surr)
def clearHome(self):
t = self.home
self.map[t.x+1][t.y].t = "empty"
self.map[t.x-1][t.y].t = "empty"
self.map[t.x+1][t.y+1].t = "empty"
self.map[t.x+1][t.y-1].t = "empty"
self.map[t.x-1][t.y+1].t = "empty"
self.map[t.x-1][t.y-1].t = "empty"
self.map[t.x][t.y+1].t = "empty"
self.map[t.x][t.y-1].t = "empty"
self.map[t.x][t.y].t = "empty"
def drawHunter(self):
self.drawTile(self.hpos.x, self.hpos.y, (200, 0, 0))
def drawHome(self):
self.drawTile(self.home.x, self.home.y, (200, 0, 200))
# Draw a tile
# x, y = position
# c = color
def drawTile(self, x, y, c):
pygame.draw.rect(window, c, (x*block, y*block, block, block))
# Create walls
# Insert randomly placed walls
def initWalls(self):
for i in range(self.size.x):
self.map[0][i] = Block("wall", 0, i)
self.map[self.size.x-1][i] = Block("wall", self.size.x-1, i)
for i in range(self.size.y):
self.map[i][0] = Block("wall", i, 0)
self.map[i][self.size.y-1] = Block("wall", i, self.size.y-1)
for i in range(self.numwalls):
self.setTile(random.randrange(0, self.size.x), random.randrange(0, self.size.y), "wall")
# Randomly place pitfalls on the map
def initPitfalls(self):
for i in range(self.numpit):
self.setTile(random.randrange(0, self.size.x), random.randrange(0, self.size.y), "pit")
# Set the type of a tile
# x, y = position
# t = type
# override = override tile if not empty
def setTile(self, x, y, t, override = False):
if override:
self.map[x][y].t = t
return True
elif self.map[x][y].t =="empty":
self.map[x][y].t = t
return True
return False
# Place a tile on first available spot
def placeOnce(self, t):
while True:
if self.setTile(random.randrange(1, self.size.x), random.randrange(1,self.size.y), t):
break
# Return a list of perceptions available to the hunter
# If the hunter bumps, it shouldn't get perception from the wall's tile
def percept(self):
tile = self.map[self.hpos.x][self.hpos.y]
percepts=[]
if tile.t == "wall":
percepts.append("bump")
return percepts
if tile.t == "gold":
percepts.append("gold")
self.goldTaken = True
for x in self.surr:
tile = self.map[self.hpos.x + x.x][self.hpos.y + x.y]
if tile.t == "emtpy" or tile.t == "gold" or tile.t == "wall":
continue
if tile.t == "wumpus":
if "smell" in percepts:
continue
percepts.append("smell")
elif tile.t == "pit":
if "pit" in percepts:
continue
percepts.append("breeze")
return percepts
# Get perception from a tile
def getPercept(self, x, y):
tile = self.map[x][y]
if tile.t != "empty" and tile.t != "gold" and tile.t != "wall":
return tile.t
return None
def getRandomAvailable(self, safety=False):
while True:
x = random.randrange(1, self.size.x)
y = random.randrange(1, self.size.y)
tile = self.map[x][y]
if tile.t == "empty":
if safety:
safe = True
for i in self.surr:
tr = self.getPercept(tile.p.x+i.x, tile.p.y+i.y)
if tr != None:
safe = False
if safe:
return Point(x, y)
else:
return Point(x, y)
def updateHunter(self, action):
cmd = action.split(" ")
if cmd[0] == "turn":
if cmd[1] == "left":
self.hdir.turnLeft()
elif cmd[1] == "right":
self.hdir.turnRight()
elif cmd[0] == "forward":
self.hpos.move(self.hdir)
elif cmd[0] == "back":
self.hpos.back(self.hdir)
elif cmd[0] == "grab":
if self.map[self.hpos.x][self.hpos.y].t == "gold":
self.goldTaken = True
self.map[self.hpos.x][self.hpos.y].t = "empty"
elif cmd[0] == "climb":
if self.hpos.x == self.home.x and self.hpos.y == self.hpos.y:
self.running = False
self.updateState()
def updateState(self):
tile = self.map[self.hpos.x][self.hpos.y]
if tile.t == "wumpus":
self.gameOver()
elif tile.t == "pit":
self.gameOver()
def gameOver(self):
self.running = False