annotate gamelib/equipment.py @ 414:9096c237928c

Dear most illustrious brother, I seek your cooperation with the refactoring of egg layerings and the reloading of guns. Please to provide bank details.
author Jeremy Thurgood <firxen@gmail.com>
date Sat, 21 Nov 2009 12:48:12 +0000
parents bdc4757e0497
children 8f012ef1f64f
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1 """Stuff for animals to use."""
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2
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3 import random
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4 import sound
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5 import imagecache
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6 import animations
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7
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8 class Equipment(object):
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9 IS_EQUIPMENT = True
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10 DRAW_LAYER = 0
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11 UNDER_LIMB = False
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12 UNDER_EYE = False
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13
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14 def __init__(self):
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15 self._buy_price = self.BUY_PRICE
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16 self._sell_price = self.SELL_PRICE
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17 self._name = self.NAME
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18
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19 def buy_price(self):
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20 return self._buy_price
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21
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22 def sell_price(self):
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23 return self._sell_price
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24
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25 def name(self):
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26 return self._name
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27
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28 def images(self, eq_image_attr):
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29 eq_image_file = getattr(self, eq_image_attr, None)
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30 if not eq_image_file:
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31 return None
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32 eq_image_left = imagecache.load_image(eq_image_file)
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33 eq_image_right = imagecache.load_image(eq_image_file, ("right_facing",))
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34 if eq_image_attr == "CHICKEN_IMAGE_FILE":
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35 # a bit hacky; eventually the chicken should have a stack of images and layering should take care of everything
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36 if self.UNDER_LIMB:
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37 wing_left = imagecache.load_image("sprites/wing.png")
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38 wing_right = imagecache.load_image("sprites/wing.png", ("right_facing",))
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39 eq_image_left.blit(wing_left, (0,0))
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40 eq_image_right.blit(wing_right, (0,0))
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41 if self.UNDER_EYE:
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42 eye_left = imagecache.load_image("sprites/eye.png")
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43 eye_right = imagecache.load_image("sprites/eye.png", ("right_facing",))
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44 eq_image_left.blit(eye_left, (0,0))
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45 eq_image_right.blit(eye_right, (0,0))
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46 return eq_image_left, eq_image_right, self.DRAW_LAYER
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47
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48 class Weapon(Equipment):
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49 IS_WEAPON = True
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50 DRAW_LAYER = 10
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51 UNDER_LIMB = True
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52
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53 def _get_parameter(self, parameter, wielder):
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54 param = getattr(self, parameter)
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55 if wielder.abode:
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56 mod_attr = 'MODIFY_%s_%s' % (self.TYPE, parameter)
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57 modifier = getattr(wielder.abode.building, mod_attr, lambda r: r)
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58 param = modifier(param)
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59 return param
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60
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61 def in_range(self, gameboard, wielder, target):
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62 """Can the lucky wielder hit the potentially unlucky target with this?"""
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63 return wielder.pos.dist(target.pos) <= self._get_parameter('RANGE', wielder)
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64
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65 def hit(self, gameboard, wielder, target):
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66 """Is the potentially unlucky target actually unlucky?"""
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67 if hasattr(self, 'AMMUNITION'):
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68 if self.ammunition <= 0:
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69 # Out of ammunition, so we don't get to shoot.
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70 return
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71 else:
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72 self.ammunition -= 1
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73 if hasattr(self, 'HIT_SOUND'):
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74 sound.play_sound(self.HIT_SOUND)
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75 if hasattr(self, 'ANIMATION'):
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76 self.ANIMATION(gameboard.tv, wielder)
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77 roll = random.randint(1, 100)
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78 base_hit = self._get_parameter('BASE_HIT', wielder)
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79 range_penalty = self._get_parameter('RANGE_PENALTY', wielder)
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80 return roll > (100-base_hit) + range_penalty*wielder.pos.dist(target.pos)
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81
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82 def place(self, animal):
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83 for eq in animal.equipment:
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84 if is_weapon(eq):
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85 return False
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86 return True
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87
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88 class Rifle(Weapon):
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89 TYPE = "GUN"
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90 NAME = "Rifle"
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91 BUY_PRICE = 100
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92 SELL_PRICE = 75
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93 AMMUNITION = 30
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94
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95 RANGE = 3
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96 BASE_HIT = 55
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97 RANGE_PENALTY = 15
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98 HIT_SOUND = "fire-rifle.ogg"
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99
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100 CHICKEN_IMAGE_FILE = 'sprites/equip_rifle.png'
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101
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102 ANIMATION = animations.MuzzleFlash
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103
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104 class SniperRifle(Weapon):
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105 TYPE = "GUN"
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106 NAME = "Sniper Rifle"
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107 BUY_PRICE = 150
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108 SELL_PRICE = 100
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109 AMMUNITION = 3
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110
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111 RANGE = 5
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112 BASE_HIT = 80
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113 RANGE_PENALTY = 10
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114 HIT_SOUND = "fire-rifle.ogg"
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115
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116 CHICKEN_IMAGE_FILE = 'sprites/equip_rifle.png'
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117
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118 ANIMATION = animations.MuzzleFlash
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119
120
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120 class Knife(Weapon):
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121 TYPE = "KNIFE"
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122 NAME = "Knife"
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123 BUY_PRICE = 25
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124 SELL_PRICE = 15
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125
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126 RANGE = 1
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127 BASE_HIT = 70
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128 RANGE_PENALTY = 0
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129
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130 CHICKEN_IMAGE_FILE = 'sprites/equip_knife.png'
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131
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132 class Armour(Equipment):
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133 IS_ARMOUR = True
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134 DRAW_LAYER = 5
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135
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136 def __init__(self):
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137 super(Armour, self).__init__()
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138 self.hitpoints = self.STARTING_HITPOINTS
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139
158
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140 def place(self, animal):
167
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141 for eq in animal.equipment:
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142 if eq.NAME == self.NAME:
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143 return False
158
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144 return True
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145
174
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146 def survive_damage(self):
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147 self.hitpoints -= 1
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148 if self.hitpoints > 0:
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149 self._sell_price = int(self._sell_price*self.hitpoints/float(self.hitpoints+1))
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150 return True
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151 return False
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152
158
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153 class Helmet(Armour):
305
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154 NAME = "Helmet"
158
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155 BUY_PRICE = 25
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156 SELL_PRICE = 15
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157 DRAW_LAYER = 6
158
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158
174
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159 STARTING_HITPOINTS = 1
158
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160
244
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161 CHICKEN_IMAGE_FILE = 'sprites/equip_helmet.png'
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162 UNDER_EYE = True
158
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163
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164 class Kevlar(Armour):
305
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165 NAME = "Kevlar"
158
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166 BUY_PRICE = 100
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167 SELL_PRICE = 75
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168
174
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169 STARTING_HITPOINTS = 2
158
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170
244
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171 CHICKEN_IMAGE_FILE = 'sprites/equip_kevlar.png'
158
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172
195
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173 class Accoutrement(Equipment):
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174 """Things which are not equipment, but are displayed in the same way"""
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175 IS_EQUIPMENT = False
200
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176 IS_ACCOUTREMENT = True
195
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177 BUY_PRICE = 0
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178 SELL_PRICE = 0
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179
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180 def place(self, animal):
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181 for eq in animal.accoutrements:
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182 if eq.NAME == self.NAME:
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183 return False
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184 return True
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185
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186 class Spotlight(Accoutrement):
305
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187 NAME = "Spotlight"
195
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188 CHICKEN_IMAGE_FILE = 'sprites/select_chkn.png'
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189 DRAW_LAYER = -5
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190
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191 class Nest(Accoutrement):
305
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192 NAME = "Nest"
195
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193 CHICKEN_IMAGE_FILE = 'sprites/nest.png'
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194 DRAW_LAYER = 15
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195
210
00d609883252 egg equipment
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196 class NestEgg(Accoutrement):
305
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197 NAME = "Nestegg"
210
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198 CHICKEN_IMAGE_FILE = 'sprites/equip_egg.png'
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199 DRAW_LAYER = 14
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200
109
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201 def is_equipment(obj):
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202 """Return true if obj is a build class."""
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203 return getattr(obj, "IS_EQUIPMENT", False) and hasattr(obj, "NAME")
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204
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205 def is_weapon(obj):
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206 return is_equipment(obj) and getattr(obj, 'IS_WEAPON', False)
84
5494af02a0e8 Chickens with rifles!
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207
174
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208 def is_armour(obj):
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209 return is_equipment(obj) and getattr(obj, 'IS_ARMOUR', False)
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210
200
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211 def is_accoutrement(obj):
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212 return not getattr(obj, "IS_EQUIPMENT", False) and hasattr(obj, "NAME") and getattr(obj, 'IS_ACCOUTREMENT', False)
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213
109
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214 EQUIPMENT = []
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215 for name in dir():
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216 obj = eval(name)
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217 try:
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218 if is_equipment(obj):
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219 EQUIPMENT.append(obj)
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220 except TypeError:
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221 pass
408
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222
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223
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224 EQUIP_MAP = { # Map chicken level codes to equipment
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225 1 : [],
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226 2 : [Helmet],
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227 3 : [Kevlar],
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228 4 : [Knife],
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229 5 : [Rifle],
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parents: 380
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230 6 : [Kevlar, Helmet],
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parents: 380
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231 7 : [Helmet, Knife],
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parents: 380
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232 8 : [Kevlar, Knife],
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233 9 : [Kevlar, Helmet, Knife],
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234 10 : [Helmet, Rifle],
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235 11 : [Kevlar, Rifle],
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236 12 : [Kevlar, Helmet, Rifle],
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diff changeset
237 }