Mercurial > mamba
annotate mamba/level.py @ 220:066198428ee9
added yellow things
author | Adrianna Pińska <adrianna.pinska@gmail.com> |
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date | Wed, 14 Sep 2011 22:12:01 +0200 |
parents | 986e72d2cb4d |
children | e4f983b68ef5 |
rev | line source |
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8
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First stab at tile/level stuff.
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1 """ |
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2 Level for our shiny game. |
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3 """ |
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4 |
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5 from pygame.surface import Surface |
50 | 6 from pygame.sprite import RenderUpdates |
8
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7 |
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8 from mamba.constants import UP, DOWN, LEFT, RIGHT |
50 | 9 from mamba.data import load_file |
162
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10 from mamba import sprites |
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11 |
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12 |
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13 class InvalidMapError(Exception): |
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14 pass |
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15 |
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16 |
104 | 17 def mktile(cls, **kw): |
18 return (cls, kw) | |
19 | |
20 | |
37 | 21 TILE_MAP = { |
22 '.': None, | |
169 | 23 'X': mktile(sprites.TileSprite, image_name='wall', name='wall', |
24 solid=True), | |
162
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25 'R': mktile(sprites.DoorSprite, colour='red'), |
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26 'B': mktile(sprites.DoorSprite, colour='blue'), |
220
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27 'Y': mktile(sprites.DoorSprite, colour='yellow'), |
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28 'e': mktile(sprites.EntrySprite), |
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29 'E': mktile(sprites.ExitSprite), |
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30 '~': mktile(sprites.PuddleSprite), |
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Painted Jezebel! (Assuming you name your snake Jezebel.)
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31 'r': mktile(sprites.Painter, colour='red'), |
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Painted Jezebel! (Assuming you name your snake Jezebel.)
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32 'b': mktile(sprites.Painter, colour='blue'), |
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33 'y': mktile(sprites.Painter, colour='yellow'), |
37 | 34 } |
35 | |
36 THING_MAP = { | |
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37 'M': mktile(sprites.BigMouse), |
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38 'm': mktile(sprites.SmallMouse), |
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39 'f': mktile(sprites.Frog), |
37 | 40 } |
41 | |
42 | |
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43 class Tileset(object): |
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44 def __init__(self, tileset_name): |
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45 self.name = tileset_name |
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46 self.load_tiles() |
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47 |
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48 def load_tiles(self): |
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49 self.tiles = {} |
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50 self.floor = sprites.TileSprite('.', tileset=self.name, |
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51 image_name='floor').image |
50 | 52 for name, value in TILE_MAP.items(): |
53 if value is not None: | |
104 | 54 value[1]['tileset'] = self.name |
50 | 55 self.tiles[name] = value |
56 self.tiles.update(THING_MAP) | |
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57 |
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58 def __getitem__(self, key): |
84 | 59 try: |
60 tilespec = self.tiles[key] | |
61 except KeyError: | |
62 raise InvalidMapError("Unknown tile type: '%s'" % key) | |
50 | 63 if not tilespec: |
64 return None | |
105
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65 cls, params = tilespec |
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66 params['tile_char'] = key |
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67 return cls(**params) |
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68 |
50 | 69 def get_tile(self, key, tile_pos, *groups): |
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70 tile = self[key] |
50 | 71 if tile: |
72 tile.add(*groups) | |
73 tile.set_tile_pos(tile_pos) | |
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74 return tile |
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75 |
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76 |
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77 class Level(object): |
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78 def __init__(self, level_name): |
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79 self.level_name = level_name |
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80 self.tiles_ascii = '' |
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81 self.load_level_data() |
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82 |
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83 def load_level_data(self): |
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84 """ |
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85 This file format is potentially yucky. |
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86 """ |
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87 level_data = load_file('levels/%s.txt' % (self.level_name,)) |
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88 self.name = level_data.readline().strip() |
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89 tileset_name = level_data.readline().strip() |
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90 self.tileset = Tileset(tileset_name) |
84 | 91 tiles_ascii = [line.strip() for line in level_data.readlines()] |
123
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92 self.tiles_ascii = tiles_ascii |
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93 self.setup_tiles(tiles_ascii) |
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94 self.make_background() |
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95 |
174 | 96 def save_level(self): |
97 """Save the current state of the level""" | |
98 save_file = load_file('levels/%s.txt' % (self.level_name,), 'wb') | |
99 save_file.write('%s\n' % self.name) | |
100 save_file.write('%s\n' % self.tileset.name) | |
101 for tile_row in self.tiles: | |
102 for tile in tile_row: | |
103 if tile: | |
104 save_file.write(tile.tile_char) | |
105 else: | |
106 save_file.write('.') | |
107 save_file.write('\n') | |
108 | |
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109 def setup_tiles(self, tiles_ascii): |
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110 self.sprites = RenderUpdates() |
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111 self.tiles = [] |
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112 self.entry = None |
84 | 113 self.tile_size = (len(tiles_ascii[0]), len(tiles_ascii)) |
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114 for y, row in enumerate(tiles_ascii): |
84 | 115 if len(row) != self.tile_size[0]: |
116 raise InvalidMapError("Map not rectangular.") | |
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117 tile_row = [] |
84 | 118 for x, tile_char in enumerate(row): |
141 | 119 #tile_orientation = self.get_tile_orientation(y, x, row, |
120 # tile_char) | |
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121 tile = self.tileset.get_tile(tile_char, (x, y), self.sprites) |
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122 tile_row.append(tile) |
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123 if isinstance(tile, sprites.EntrySprite): |
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124 self.rejigger_entry_tile(tile) |
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125 self.tiles.append(tile_row) |
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126 if self.entry is None: |
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127 raise InvalidMapError("Not enough entry points.") |
144
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128 self.set_tile_orientations() |
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129 |
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130 def rejigger_entry_tile(self, tile): |
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131 if self.entry is not None: |
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132 raise InvalidMapError("Too many entry points.") |
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133 self.entry = tile |
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134 direction = [] |
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135 x, y = tile.tile_pos |
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136 if x == 0: |
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137 direction.append(RIGHT) |
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138 elif x == self.tile_size[0] - 1: |
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139 direction.append(LEFT) |
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140 if y == 0: |
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141 direction.append(DOWN) |
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142 elif y == self.tile_size[1] - 1: |
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143 direction.append(UP) |
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144 if len(direction) < 1: |
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145 raise InvalidMapError("Entry point must be along an edge.") |
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146 if len(direction) > 1: |
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147 raise InvalidMapError("Entry point must not be on a corner.") |
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148 tile.set_direction(direction[0]) |
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149 |
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150 def set_tile_orientations(self): |
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151 tiles = [tile # This is a scary listcomp. It makes me happy. |
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152 for row in self.tiles |
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153 for tile in row |
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154 if tile is not None] |
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155 for tile in tiles: |
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156 orientation = self.get_tile_orientation(tile) |
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157 tile.use_variant(*orientation) |
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158 |
123
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159 def is_same_tile(self, tile, x, y): |
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160 """Is there a tile of the same type?""" |
144
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161 if tile.tile_char is None: |
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162 # This isn't really a tile, so bail |
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163 return False |
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164 try: |
144
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165 other_tile = self.tiles[y][x] |
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166 except IndexError: |
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167 # We're over the edge of the map |
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168 return False |
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169 if other_tile is None: |
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170 # Emptiness. |
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171 return False |
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172 return tile.tile_char == other_tile.tile_char |
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173 |
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174 def get_tile_orientation(self, tile): |
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175 if tile is None: |
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176 return (False, False, False, False) |
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177 map_x, map_y = tile.tile_pos |
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178 return ( |
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179 self.is_same_tile(tile, map_x, map_y - 1), # above |
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180 self.is_same_tile(tile, map_x, map_y + 1), # below |
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181 self.is_same_tile(tile, map_x - 1, map_y), # left |
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182 self.is_same_tile(tile, map_x + 1, map_y), # right |
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183 ) |
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184 |
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185 def get_tile_size(self): |
84 | 186 return self.tile_size |
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187 |
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188 def get_size(self): |
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189 x, y = self.get_tile_size() |
162
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190 return sprites.tile_sizify((x, y)) |
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191 |
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192 def make_background(self): |
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193 sx, sy = self.get_tile_size() |
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194 self.background = Surface(self.get_size()) |
162
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195 [self.background.blit(self.tileset.floor, sprites.tile_sizify((x, y))) |
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196 for x in range(sx) for y in range(sy)] |
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197 |
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198 def get_entry(self): |
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199 return (self.entry.tile_pos, self.entry.direction) |
110 | 200 |
201 def draw(self, surface): | |
112
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202 surface.blit(self.background, (0, 0)) |
110 | 203 self.sprites.draw(surface) |
173
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204 |
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205 def get_tile(self, tile_pos): |
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206 x, y = tile_pos |
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207 if 0 <= x < self.tile_size[0] and 0 <= y < self.tile_size[1]: |
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208 return self.tiles[y][x] |
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209 return None |
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210 |
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211 def replace_tile(self, tile_pos, new_tile_char): |
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212 x, y = tile_pos |
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213 old_tile = self.tiles[y][x] |
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214 if old_tile is not None: |
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215 old_tile.remove(self.sprites) |
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216 new_tile = self.tileset.get_tile(new_tile_char, tile_pos, self.sprites) |
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217 self.tiles[y][x] = new_tile |
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218 # Fix orientations |
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219 tiles = [self.get_tile((x + dx, y + dy)) for dx in (-1, 0, 1) |
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220 for dy in (-1, 0, 1)] |
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221 for tile in tiles: |
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222 if tile: |
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223 orientation = self.get_tile_orientation(tile) |
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224 tile.use_variant(*orientation) |
186 | 225 |
226 def restart(self): | |
227 """Reset the level state""" | |
228 self.setup_tiles(self.tiles_ascii) | |
229 self.make_background() |