Mercurial > rinkhals
annotate gamelib/tiles.py @ 502:b74b3a37cf1d
Process upper floors first
author | Neil Muller <drnlmuller@gmail.com> |
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date | Thu, 26 Nov 2009 22:23:56 +0000 |
parents | e3408c803b12 |
children | 3ed6c011106d |
rev | line source |
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24 | 1 """Extension to pgu's tilevid.""" |
2 | |
3 from pgu import tilevid, vid | |
4 import os | |
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5 import data |
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6 import imagecache |
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7 import serializer |
24 | 8 |
56
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9 class TileMap(object): |
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10 """Helper class for describing all the game tiles.""" |
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11 |
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12 # number -> (name, image file name) |
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13 DEFAULT_TILES = { |
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14 0: ("woodland", "woodland.png"), |
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15 1: ("grassland", "grassland.png"), |
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16 2: ("fence", "fence.png"), |
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17 3: ("henhouse", "grassland.png"), |
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18 4: ("guardtower", "grassland.png"), |
62 | 19 5: ("broken fence", "broken_fence.png"), |
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20 6: ("hendominium", "grassland.png"), |
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21 } |
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22 |
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23 def __init__(self, tiles=None): |
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24 if tiles is None: |
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25 tiles = self.DEFAULT_TILES.copy() |
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26 self._tiles = tiles |
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27 self._reverse_map = dict((v[0], k) for k, v in self._tiles.iteritems()) |
24 | 28 |
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29 def __getitem__(self, n): |
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30 """Get the string name of tile n.""" |
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31 return self._tiles[n][0] |
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32 |
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33 def tile_number(self, name): |
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34 """Return the tile number of the tile with the given name.""" |
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35 return self._reverse_map[name] |
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36 |
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37 def tiles_for_image(self, image_name): |
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38 """Return tile numbers associated with the given image name.""" |
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39 for n, (name, image) in self._tiles.iteritems(): |
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40 if image_name == image: |
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41 yield n |
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42 |
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43 TILE_MAP = TileMap() |
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44 REVERSE_TILE_MAP = TILE_MAP._reverse_map |
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45 |
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46 |
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47 class LayeredSprites(object): |
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48 # This is as small a subset of list behaviour as we can get away with. |
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49 # WARNING: It makes assumptions that may not be justified in the general case. |
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50 # Caveat utilitor and all the rest. |
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51 |
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52 def __init__(self, layers=None, default_layer=None): |
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53 # Layers are ordered from bottom to top. |
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54 if layers is None: |
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55 layers = ['default'] |
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56 self.layers = layers |
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57 if default_layer is None: |
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58 default_layer = layers[0] |
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59 self.default_layer = default_layer |
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60 self._sprites = {} |
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61 for layer in layers: |
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62 self._sprites[layer] = [] |
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63 self.removed = [] |
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64 |
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65 def append(self, sprite, layer=None): |
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66 if layer is None: |
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67 layer = self.default_layer |
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68 self._sprites[layer].append(sprite) |
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69 sprite.updated = 1 |
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70 |
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71 def remove(self, sprite, layer=None): |
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72 if layer is None: |
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73 layer = self.default_layer |
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74 self._sprites[layer].remove(sprite) |
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75 sprite.updated = 1 |
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76 self.removed.append(sprite) |
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77 |
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78 def __getitem__(self, key): |
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79 # vid.py uses sprites[:] to get a mutation-safe list copy, so we need this. |
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80 # No other indexing or slicing operations make sense. |
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81 if not isinstance(key, slice): |
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82 raise IndexError('[:] is the only supported slice/index operation.') |
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83 return iter(self) |
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84 |
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85 def __iter__(self): |
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86 # We iterate over all sprites in layer order. |
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87 for layer in self.layers: |
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88 for sprite in self._sprites[layer]: |
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89 yield sprite |
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90 |
24 | 91 |
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92 class FarmVid(tilevid.Tilevid, serializer.Simplifiable): |
24 | 93 """Extension of pgu's TileVid class to handle the complications |
94 of raising chickens. | |
95 """ | |
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96 |
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97 SIMPLIFY = [ |
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98 'size', |
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99 'layers', |
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100 'tlayer', |
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101 'alayer', |
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102 'blayer', |
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103 'clayer', |
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104 ] |
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105 |
24 | 106 def __init__(self): |
107 tilevid.Tilevid.__init__(self) | |
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108 self.sprites = LayeredSprites(['buildings', 'animals', 'animations', 'cursor'], 'animals') |
24 | 109 |
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110 def make(cls): |
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111 """Override default Simplifiable object creation.""" |
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112 return cls() |
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113 make = classmethod(make) |
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114 |
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115 def unsimplify(cls, *args, **kwargs): |
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116 """Override default Simplifiable unsimplification.""" |
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117 obj = serializer.Simplifiable.unsimplify(*args, **kwargs) |
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118 |
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119 obj.view.x, obj.view.y = 0,0 |
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120 obj._view.x, obj._view.y = 0,0 |
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121 obj.bounds = None |
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122 obj.updates = [] |
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123 |
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124 return obj |
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125 unsimplify = classmethod(unsimplify) |
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126 |
24 | 127 def png_folder_load_tiles(self, path): |
128 """Load tiles from a folder of PNG files.""" | |
303
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129 full_path = data.filepath(path) |
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130 for dirpath, dirnames, filenames in os.walk(full_path): |
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131 relative_path = dirpath[len(full_path):] |
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132 relative_path = "/".join(relative_path.split(os.path.sep)) |
24 | 133 for filename in filenames: |
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134 image_name = "/".join([path, relative_path, filename]) |
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135 for tile_no in TILE_MAP.tiles_for_image(filename): |
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136 tile_name = TILE_MAP[tile_no] |
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137 self.tiles[tile_no] = FarmTile(tile_no, tile_name, image_name) |
24 | 138 |
30 | 139 def sun(self, sun_on): |
140 """Make it night.""" | |
141 for tile in self.tiles: | |
142 if hasattr(tile, "sun"): | |
143 tile.sun(sun_on) | |
144 for sprite in self.sprites: | |
145 if hasattr(sprite, "sun"): | |
146 sprite.sun(sun_on) | |
147 | |
24 | 148 class FarmTile(vid.Tile): |
30 | 149 |
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150 def __init__(self, tile_no, tile_name, image_name): |
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151 self.tile_no = tile_no |
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152 self.tile_name = tile_name |
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153 self.day_image = imagecache.load_image(image_name) |
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154 self.night_image = imagecache.load_image(image_name, ("night",)) |
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155 vid.Tile.__init__(self, self.day_image) |
30 | 156 |
157 def sun(self, sun_on): | |
158 if sun_on: | |
159 self.image = self.day_image | |
160 else: | |
161 self.image = self.night_image |