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comparison gamelib/tiles.py @ 56:205789321a46

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Replace TILE_MAP with richer (but backwards compatible) structure. Record tile number and tile name on tile object.
author Simon Cross <hodgestar@gmail.com>
date Mon, 31 Aug 2009 18:33:33 +0000
parents 32fb395cf71c
children 98ce098f8cbb
comparison
equal deleted inserted replaced
55:3a409e058608 56:205789321a46
2 2
3 from pgu import tilevid, vid 3 from pgu import tilevid, vid
4 import os 4 import os
5 import imagecache 5 import imagecache
6 6
7 TILE_MAP = { 7 class TileMap(object):
8 0: "woodland", 8 """Helper class for describing all the game tiles."""
9 1: "grassland",
10 2: "fence",
11 3: "henhouse",
12 4: "chicken",
13 }
14 9
15 REVERSE_TILE_MAP = dict((v, k) for k, v in TILE_MAP.iteritems()) 10 # number -> (name, image file name)
11 DEFAULT_TILES = {
12 0: ("woodland", "woodland.png"),
13 1: ("grassland", "grassland.png"),
14 2: ("fence", "fence.png"),
15 3: ("henhouse", "grassland.png"),
16 4: ("guardtower", "guardtower.png"),
17 }
18
19 def __init__(self, tiles=None):
20 if tiles is None:
21 tiles = self.DEFAULT_TILES.copy()
22 self._tiles = tiles
23 self._reverse_map = dict((v[0], k) for k, v in self._tiles.iteritems())
24
25 def __getitem__(self, n):
26 """Get the string name of tile n."""
27 return self._tiles[n][0]
28
29 def tile_number(self, name):
30 """Return the tile number of the tile with the given name."""
31 return self._reverse_map[name]
32
33 def tiles_for_image(self, image_name):
34 """Return tile numbers associated with the given image name."""
35 for n, (name, image) in self._tiles.iteritems():
36 if image_name == image:
37 yield n
38
39 TILE_MAP = TileMap()
40 REVERSE_TILE_MAP = TILE_MAP._reverse_map
41
16 42
17 class FarmVid(tilevid.Tilevid): 43 class FarmVid(tilevid.Tilevid):
18 """Extension of pgu's TileVid class to handle the complications 44 """Extension of pgu's TileVid class to handle the complications
19 of raising chickens. 45 of raising chickens.
20 """ 46 """
24 def png_folder_load_tiles(self, path): 50 def png_folder_load_tiles(self, path):
25 """Load tiles from a folder of PNG files.""" 51 """Load tiles from a folder of PNG files."""
26 for dirpath, dirnames, filenames in os.walk(path): 52 for dirpath, dirnames, filenames in os.walk(path):
27 abstract_dirpath = "/".join(dirpath.split(os.path.sep)) 53 abstract_dirpath = "/".join(dirpath.split(os.path.sep))
28 for filename in filenames: 54 for filename in filenames:
29 basename, ext = os.path.splitext(filename) 55 image_name = abstract_dirpath + "/" + filename
30 if ext != ".png": 56 for tile_no in TILE_MAP.tiles_for_image(filename):
31 continue 57 tile_name = TILE_MAP[tile_no]
32 if basename in REVERSE_TILE_MAP: 58 self.tiles[tile_no] = FarmTile(tile_no, tile_name, image_name)
33 n = REVERSE_TILE_MAP[basename]
34 self.tiles[n] = FarmTile(abstract_dirpath + "/" + filename)
35 59
36 def sun(self, sun_on): 60 def sun(self, sun_on):
37 """Make it night.""" 61 """Make it night."""
38 for tile in self.tiles: 62 for tile in self.tiles:
39 if hasattr(tile, "sun"): 63 if hasattr(tile, "sun"):
42 if hasattr(sprite, "sun"): 66 if hasattr(sprite, "sun"):
43 sprite.sun(sun_on) 67 sprite.sun(sun_on)
44 68
45 class FarmTile(vid.Tile): 69 class FarmTile(vid.Tile):
46 70
47 def __init__(self, image_name): 71 def __init__(self, tile_no, tile_name, image_name):
72 self.tile_no = tile_no
73 self.tile_name = tile_name
48 self.day_image = imagecache.load_image(image_name) 74 self.day_image = imagecache.load_image(image_name)
49 self.night_image = imagecache.load_image(image_name, ("night",)) 75 self.night_image = imagecache.load_image(image_name, ("night",))
50 vid.Tile.__init__(self, self.day_image) 76 vid.Tile.__init__(self, self.day_image)
51 77
52 def sun(self, sun_on): 78 def sun(self, sun_on):