koperkapel/gamelib/level.py

   1 """ Class holding the level info """
   2
   3 import random
   4
   5
   6 class Level(object):
   7
   8     def __init__(self):
   9         self.width = self.height = 0
  10         self.tiles = []
  11         self.keypads = []
  12         self.doors = []
  13         self.grates = []
  14         self.tileset = None
  15         self.start_pos = (0, 0)
  16         self.exit = None
  17         self.enemies = []
  18         self.enemy_generators = []
  19         self.friends = []
  20
  21     def get_neighbors(self, x, y):
  22         # 4 -connected neighbors
  23         return [self.tiles[y][x-1] if x > 0 else None,
  24                 self.tiles[y][x+1] if x < self.width - 1 else None,
  25                 self.tiles[y-1][x] if y > 0 else None,
  26                 self.tiles[y+1][x] if y < self.height - 1 else None]
  27
  28     def can_walk(self, x, y, layer):
  29         if 'walk' in self.tiles[y][x][layer]['behaviour']:
  30             # check doors
  31             for door in self.doors:
  32                 if (x, y) == door.game_pos and door.is_closed():
  33                     return False
  34             return True
  35         return False
  36
  37     def can_fly(self, x, y, layer):
  38         if 'fly' in self.tiles[y][x][layer]['behaviour']:
  39             for door in self.doors:
  40                 if (x, y) == door.game_pos and door.is_closed():
  41                     return False
  42             return True
  43
  44         return False
  45
  46     def can_crawl(self, x, y, layer):
  47         return 'crawl' in self.tiles[y][x][layer]['behaviour']
  48
  49     def can_bullet(self, x, y, layer):
  50         if self.tiles[y][x][layer]['behaviour']:
  51             for door in self.doors:
  52                 if (x, y) == door.game_pos and door.is_closed():
  53                     return False
  54             return True
  55         return False
  56
  57     def is_keypad(self, x, y):
  58         for keypad in self.keypads:
  59             if (x, y) == keypad.game_pos:
  60                 return True
  61         return False
  62
  63     def is_grate(self, x, y):
  64         if (x, y) in self.grates:
  65             return True
  66         return False
  67
  68     def press_keypad(self, x, y, roaches):
  69         for keypad in self.keypads:
  70             if (x, y) == keypad.game_pos:
  71                 keypad.activate(roaches)
  72
  73     def get_friends(self):
  74         return self._friends[:]
  75
  76     def friend_at(self, x, y):
  77         for f in self.friends:
  78             if f.game_pos == (x, y):
  79                 return f
  80
  81     def remove_friend(self, friend):
  82         self.friends.remove(friend)
  83
  84     def item_at(self, x, y):
  85         for i in self.items:
  86             if i.game_pos == (x, y):
  87                 return i
  88
  89     def remove_item(self, item):
  90         self.items.remove(item)
  91
  92     def is_exit(self, x, y):
  93         return self.exit and (x, y) == tuple(self.exit["pos"])
  94
  95     def get_exit_level(self):
  96         return self.exit["next level"]
  97
  98     def enemy_at(self, x, y):
  99         for enemy in self.enemies:
 100             if (x, y) == enemy.game_pos:
 101                 return True
 102         return False
 103
 104     def get_enemy(self, x, y):
 105         for enemy in self.enemies:
 106             if (x, y) == enemy.game_pos:
 107                 return enemy
 108         return None
 109
 110     def remove_enemy(self, enemy):
 111         self.enemies.remove(enemy)
 112         for generator in self.enemy_generators:
 113             generator.killed(enemy)
 114
 115     def add_enemy(self, enemy, x, y):
 116         """Add an enemy to an empty floor space near x, y"""
 117         added = False
 118         while not added:
 119             if self.can_walk(x, y, 'floor'):
 120                 if not self.friend_at(x, y):
 121                     if not self.enemy_at(x, y):
 122                         added = True
 123                         enemy.game_pos = (x, y)
 124                         self.enemies.append(enemy)
 125                         added = True
 126             x += random.randint(-1, 1)
 127             y += random.randint(-1, 1)