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from collections import Counter
from importlib import import_module
import re
from . import action
class Player:
def __init__(self, name):
self.name = name
self.inventory = Counter()
self.position = (0,0)
def has(self, item):
"Does the player have any of item?"
return self.inventory[item] > 0
def give(self, item, n=1):
"Put the item in the player's inventory."
self.inventory.update([item]*n)
def take(self, item, n=1):
"Remove an item from the inventory. Raises KeyError if item isn't there."
if self.inventory[item] >= n:
self.inventory[item] -= n
else:
raise KeyError(item)
class World:
def __init__(self):
self.tiles = {}
from .tiles import centre
self.tiles[(0,0)] = centre.Tile()
def __getitem__(self, key):
try:
return self.tiles[key]
except KeyError:
modname = 'weatbag.tiles.' + coords_to_name(*key)
try:
mod = import_module(modname)
except ImportError:
raise KeyError(key)
tile = mod.Tile()
self.tiles[key] = tile
return tile
def coords_to_name(e, n):
modname = ''
if n > 0:
modname += 'n'+str(n)
elif n < 0:
modname += 's'+str(abs(n))
if e > 0:
modname += 'e'+str(e)
elif e < 0:
modname += 'w'+str(abs(e))
return modname
_tile_name_re = re.compile(r'([ns]\d+)?([ew]\d+)?')
def name_to_coords(tilename):
ns, es = _tile_name_re.match(tilename).groups()
if ns is None:
n = 0
elif ns[0] == 'n':
n = int(ns[1:])
else:
n = -int(ns[1:])
if es is None:
e = 0
elif es[0] == 'e':
e = int(es[1:])
else:
e = -int(es[1:])
return e, n
def main():
name = input("What is your name? ")
player = Player(name)
interact(player)
def interact(player):
world = World()
tile = world[player.position]
tile.describe()
while True:
do = action.get_action()
if action.is_move(do):
direction = do[1][0].lower()
# check if we can leave tile
if not getattr(tile, 'leave', lambda p,d: True)(player, direction):
continue
# move
e,n = player.position
de, dn = action.move_coords[direction]
new_posn = e+de, n+dn
try:
tile = world[new_posn]
except KeyError:
print("The undergrowth in that direction is impassable. "
"You turn back.")
else:
player.position = new_posn
tile.describe()
else:
action.handle_action(tile, player, do)
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