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
13 "cwall": Wall, # rename this everywhere
16 "underground": Underground,
19 class LevelLoader(ResourceLoader):
25 def _load(self, level_path):
26 f = open(level_path, 'r')
27 level_data = json.load(f)
30 self._level.height = len(level_data['tiles'])
31 self._level.width = len(level_data['tiles'][0])
32 self._level.tiles = level_data['tiles']
33 self._level.tileset = level_data['tileset']
34 self._level.start_pos = level_data["starting pos"]
35 # Consistency check, so we can assume things are correct
36 # in the level renderer
37 for row, row_data in enumerate(self._level.tiles):
38 if len(row_data) != self._level.width:
39 raise RuntimeError("Incorrect len for row %d" % row)
40 for tile in TILES.values():
41 tile.TILESET = self._level.tileset
42 self._load_tile_images()
45 def _load_tile_images(self):
46 """Load all the tile images"""
47 for y, row_data in enumerate(self._level.tiles):
48 for x, tile in enumerate(row_data):
49 neighborhood = self._level.get_neighbors(x, y)
50 for layer in ['floor', 'tunnels']:
51 neighbors = [x[layer] if x else None for x in neighborhood]
52 tile['%s image' % layer] = \
53 TILES[tile[layer]['base']].image(neighbors)
55 if layer == 'floor' and 'crawl' in tile[layer]['behaviour']:
57 tile['floor image'] = Grate.image(neighbors)
60 levels = LevelLoader('levels')