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annotate mamba/sprites.py @ 168:0fffb97db193

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Add name field to sprites for editor
author Neil Muller <drnlmuller@gmail.com>
date Tue, 13 Sep 2011 23:51:49 +0200
parents a904c1c55f92
children d9ee0e50a78f
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1 from pygame.sprite import Sprite
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2
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3 from mamba.data import load_image
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4 from mamba.constants import TILE_SIZE
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5 from mamba import mutators
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7
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8 def tile_sizify(pos):
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9 ts_x, ts_y = TILE_SIZE
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10 p_x, p_y = pos
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11 return (ts_x * p_x, ts_y * p_y)
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13
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14 class SpriteImageVariants(object):
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15 VARIANTS = {
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16 '....': ('-0', ()),
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17
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18 'X...': ('-1', (mutators.R90,)),
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19 '.X..': ('-1', (mutators.R270,)),
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20 '..X.': ('-1', (mutators.NULL,)),
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21 '...X': ('-1', (mutators.R180,)),
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22
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23 'XX..': ('-2o', (mutators.NULL,)),
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24 '..XX': ('-2o', (mutators.R90,)),
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25
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26 'X.X.': ('-2a', (mutators.R180,)),
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27 'X..X': ('-2a', (mutators.R270,)),
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28 '.XX.': ('-2a', (mutators.R90,)),
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29 '.X.X': ('-2a', (mutators.NULL,)),
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30
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31 '.XXX': ('-3', (mutators.R90,)),
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32 'X.XX': ('-3', (mutators.R270,)),
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33 'XX.X': ('-3', (mutators.NULL,)),
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34 'XXX.': ('-3', (mutators.R180,)),
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35
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36 'XXXX': ('', ()),
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37 }
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38
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39 def __init__(self, base_image_name):
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40 self.base_image_name = base_image_name
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41
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42 def __call__(self, top, bottom, left, right):
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43 variant_str = ''.join('X' if d else '.'
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44 for d in [top, bottom, left, right])
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45 variant_suffix, mutators = self.VARIANTS[variant_str]
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46 return (self.base_image_name + variant_suffix, mutators)
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47
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48
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49 class SolidSpriteImageVariants(SpriteImageVariants):
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50 VARIANTS = {
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51 '....': ('-0', ()),
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52
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53 'X...': ('-1', (mutators.R270,)),
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54 '.X..': ('-1', (mutators.R90,)),
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55 '..X.': ('-1', (mutators.NULL,)),
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56 '...X': ('-1', (mutators.R180,)),
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57
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58 'XX..': ('', ()),
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59 '..XX': ('', ()),
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60
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61 'X.X.': ('-2a', (mutators.R180,)),
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62 'X..X': ('-2a', (mutators.R90,)),
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63 '.XX.': ('-2a', (mutators.R270,)),
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64 '.X.X': ('-2a', (mutators.NULL,)),
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66 '.XXX': ('', ()),
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67 'X.XX': ('', ()),
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68 'XX.X': ('', ()),
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69 'XXX.': ('', ()),
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70
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71 'XXXX': ('', ()),
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72 }
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75 class InvariantSpriteImageVariants(SpriteImageVariants):
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76 def __call__(self, top, bottom, left, right):
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77 return (self.base_image_name, ())
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78
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79
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80 class BaseSprite(Sprite):
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81 tileset = 'common'
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82 variants_class = InvariantSpriteImageVariants
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83 variants = None
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84
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85 def __init__(self, tileset=None, image_name=None, name=None,
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86 mutators=()):
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87 super(BaseSprite, self).__init__()
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88 if name is not None:
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89 self.name = name
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90 if tileset is not None:
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91 self.tileset = tileset
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92 if image_name is not None:
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93 self.image_name = image_name
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94 self.image = self.load_image(image_name, mutators=mutators)
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95
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96 def load_image(self, image_name, mutators=()):
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97 return load_image('tiles/%s/%s.png' % (self.tileset, image_name),
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98 mutators)
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99
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100 def set_tile_pos(self, tile_pos):
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101 self.tile_pos = tile_pos
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102 self.rect = self.image.get_rect().move(tile_sizify(tile_pos))
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103
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104 def get_variant(self, top, bottom, left, right):
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105 if self.variants is None:
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106 self.variants = self.variants_class(self.image_name)
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107 return self.variants(top, bottom, left, right)
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108
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109 def use_variant(self, *args):
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110 self.image = self.load_image(*self.get_variant(*args))
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111
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112
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113 class TileSprite(BaseSprite):
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114 def __init__(self, tile_char, solid=False, **kw):
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115 super(TileSprite, self).__init__(**kw)
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116 self.tile_char = tile_char
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117 self.solid = solid
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118
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119 def get_solid(self, snake_mutations):
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120 return self.solid
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121
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123 class SingleImageTileSprite(TileSprite):
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124 image_name = None # subclasses will override this
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125 name = None
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126
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127 def __init__(self, **kw):
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128 kw.setdefault('image_name', self.image_name)
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129 kw.setdefault('name', self.name)
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130 super(SingleImageTileSprite, self).__init__(**kw)
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131
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132
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133 class DoorSprite(TileSprite):
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134 name = 'door'
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135
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136 def __init__(self, colour, **kw):
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137 self.colour = colour
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138 image_name = 'door_%s' % (colour,)
104
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139 kw.setdefault('image_name', image_name)
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140 super(DoorSprite, self).__init__(**kw)
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141
144
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142 def get_solid(self, snake_mutations):
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143 return self.colour in self.snake_mutations
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144
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145
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146 class EntrySprite(SingleImageTileSprite):
164
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147 image_name = 'arrow-r'
168
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148 name = 'entrance'
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149
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150 def __init__(self, direction, **kw):
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151 self.direction = direction
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152 super(EntrySprite, self).__init__(**kw)
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153
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154
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155 class ExitSprite(SingleImageTileSprite):
164
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156 image_name = 'arrow-r'
168
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157 name = 'exit'
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158
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159
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160 class PuddleSprite(SingleImageTileSprite):
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161 image_name = 'puddle'
168
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162 name = 'puddle'
136
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163 variants_class = SolidSpriteImageVariants
130
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164
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165 def __init__(self, variant=(0, 0, 0, 0), **kw):
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166 super(PuddleSprite, self).__init__(**kw)
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167 self.image = self.load_image(*self.get_variant(*variant))
162
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168
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169
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170 class EdibleTile(SingleImageTileSprite):
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171 def eat(self):
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172 self.image = None
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173 self.solid = False
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174
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175
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176 class BigMouse(EdibleTile):
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177 image_name = "rat-big"
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178
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179 def interact(self, snake):
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180 print "Embiggen!"
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181 self.eat()
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182
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183
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184 class SmallMouse(EdibleTile):
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185 image_name = "rat-small"
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186
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187 def interact(self, snake):
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188 print "Ensmallen!"
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189 self.eat()
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190
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191
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192 class Frog(EdibleTile):
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193 image_name = "frog"
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194
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195 def interact(self, snake):
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196 print "Swimmery!"
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197 self.eat()