1 """Loader a level, using the pygame-zero ResourceLoader infrastructure"""
5 from pgzero.loaders import ResourceLoader
7 from ..gamelib.tiles import Wall, Floor, Tunnel, Underground, Grate
8 from ..gamelib.level import Level
9 from ..gamelib.door import Door
10 from ..gamelib.keypad import Keypad
15 "cwall": Wall, # rename this everywhere
18 "underground": Underground,
21 class LevelLoader(ResourceLoader):
27 def _load(self, level_path):
28 f = open(level_path, 'r')
29 level_data = json.load(f)
32 self._level.height = len(level_data['tiles'])
33 self._level.width = len(level_data['tiles'][0])
34 self._level.tiles = level_data['tiles']
35 self._level.tileset = level_data['tileset']
36 self._level.start_pos = level_data["starting pos"]
37 # Consistency check, so we can assume things are correct
38 # in the level renderer
39 for row, row_data in enumerate(self._level.tiles):
40 if len(row_data) != self._level.width:
41 raise RuntimeError("Incorrect len for row %d" % row)
42 for tile in TILES.values():
43 tile.TILESET = self._level.tileset
44 self._load_tile_images()
45 for door_info in level_data['door_info']:
46 # Create the doors first
48 for door in door_info['doors']:
50 # is this the right check
51 if self._level.can_walk(x + 1, y, 'floor') and self._level.can_walk(x - 1, y, 'floor'):
56 new_door = Door(x, y, angle)
57 self._level.doors.append(new_door)
59 for keypad in door_info['keypads']:
60 new_keypad = Keypad(keypad[0], keypad[1], doors)
61 self._level.keypads.append(new_keypad)
64 def _load_tile_images(self):
65 """Load all the tile images"""
66 for y, row_data in enumerate(self._level.tiles):
67 for x, tile in enumerate(row_data):
68 neighborhood = self._level.get_neighbors(x, y)
69 for layer in ['floor', 'tunnels']:
70 neighbors = [x[layer] if x else None for x in neighborhood]
71 tile['%s image' % layer] = \
72 TILES[tile[layer]['base']].image(neighbors)
74 if layer == 'floor' and 'crawl' in tile[layer]['behaviour']:
76 tile['floor image'] = Grate.image(neighbors)
79 levels = LevelLoader('levels')