Mercurial > rinkhals

annotate gamelib/equipment.py @ 419:d110d55c8449

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Move hatching logic into chickens.
author Jeremy Thurgood <firxen@gmail.com>
date Sat, 21 Nov 2009 15:22:41 +0000
parents 8f012ef1f64f
children ab4fc3fe0f96
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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 import serializer
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8
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9
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10 class Equipment(serializer.Simplifiable):
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11 IS_EQUIPMENT = True
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12 DRAW_LAYER = 0
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13 UNDER_LIMB = False
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14 UNDER_EYE = False
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15
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16 SIMPLIFY = [
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17 '_buy_price',
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18 '_sell_price',
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19 '_name',
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20 ]
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21
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22 def __init__(self):
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23 self._buy_price = self.BUY_PRICE
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24 self._sell_price = self.SELL_PRICE
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25 self._name = self.NAME
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26
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27 def buy_price(self):
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28 return self._buy_price
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29
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30 def sell_price(self):
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31 return self._sell_price
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32
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33 def name(self):
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34 return self._name
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35
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36 def images(self, eq_image_attr):
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37 eq_image_file = getattr(self, eq_image_attr, None)
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38 if not eq_image_file:
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39 return None
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40 eq_image_left = imagecache.load_image(eq_image_file)
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41 eq_image_right = imagecache.load_image(eq_image_file, ("right_facing",))
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42 if eq_image_attr == "CHICKEN_IMAGE_FILE":
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43 # a bit hacky; eventually the chicken should have a stack of images and layering should take care of everything
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44 if self.UNDER_LIMB:
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45 wing_left = imagecache.load_image("sprites/wing.png")
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46 wing_right = imagecache.load_image("sprites/wing.png", ("right_facing",))
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47 eq_image_left.blit(wing_left, (0,0))
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48 eq_image_right.blit(wing_right, (0,0))
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49 if self.UNDER_EYE:
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50 eye_left = imagecache.load_image("sprites/eye.png")
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51 eye_right = imagecache.load_image("sprites/eye.png", ("right_facing",))
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52 eq_image_left.blit(eye_left, (0,0))
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53 eq_image_right.blit(eye_right, (0,0))
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54 return eq_image_left, eq_image_right, self.DRAW_LAYER
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55
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56 class Weapon(Equipment):
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57 IS_WEAPON = True
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58 DRAW_LAYER = 10
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59 UNDER_LIMB = True
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60
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61 def _get_parameter(self, parameter, wielder):
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62 param = getattr(self, parameter)
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63 if wielder.abode:
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64 mod_attr = 'MODIFY_%s_%s' % (self.TYPE, parameter)
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65 modifier = getattr(wielder.abode.building, mod_attr, lambda r: r)
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66 param = modifier(param)
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67 return param
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68
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69 def in_range(self, gameboard, wielder, target):
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70 """Can the lucky wielder hit the potentially unlucky target with this?"""
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71 return wielder.pos.dist(target.pos) <= self._get_parameter('RANGE', wielder)
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72
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73 def hit(self, gameboard, wielder, target):
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74 """Is the potentially unlucky target actually unlucky?"""
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75 if hasattr(self, 'AMMUNITION'):
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76 if self.ammunition <= 0:
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77 # Out of ammunition, so we don't get to shoot.
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78 return
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79 else:
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80 self.ammunition -= 1
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81 if hasattr(self, 'HIT_SOUND'):
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82 sound.play_sound(self.HIT_SOUND)
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83 if hasattr(self, 'ANIMATION'):
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84 self.ANIMATION(gameboard.tv, wielder)
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85 roll = random.randint(1, 100)
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86 base_hit = self._get_parameter('BASE_HIT', wielder)
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87 range_penalty = self._get_parameter('RANGE_PENALTY', wielder)
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88 return roll > (100-base_hit) + range_penalty*wielder.pos.dist(target.pos)
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89
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90 def place(self, animal):
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91 for eq in animal.equipment:
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92 if is_weapon(eq):
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93 return False
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94 return True
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95
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96 class Rifle(Weapon):
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97 TYPE = "GUN"
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98 NAME = "Rifle"
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99 BUY_PRICE = 100
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100 SELL_PRICE = 75
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101 AMMUNITION = 30
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102
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103 RANGE = 3
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104 BASE_HIT = 55
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105 RANGE_PENALTY = 15
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106 HIT_SOUND = "fire-rifle.ogg"
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107
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108 CHICKEN_IMAGE_FILE = 'sprites/equip_rifle.png'
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109
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110 ANIMATION = animations.MuzzleFlash
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111
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112 class SniperRifle(Weapon):
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113 TYPE = "GUN"
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114 NAME = "Sniper Rifle"
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115 BUY_PRICE = 150
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116 SELL_PRICE = 100
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117 AMMUNITION = 3
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118
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119 RANGE = 5
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120 BASE_HIT = 80
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121 RANGE_PENALTY = 10
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122 HIT_SOUND = "fire-rifle.ogg"
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123
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124 CHICKEN_IMAGE_FILE = 'sprites/equip_rifle.png'
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125
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126 ANIMATION = animations.MuzzleFlash
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127
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128 class Knife(Weapon):
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129 TYPE = "KNIFE"
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130 NAME = "Knife"
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131 BUY_PRICE = 25
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132 SELL_PRICE = 15
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133
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134 RANGE = 1
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135 BASE_HIT = 70
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136 RANGE_PENALTY = 0
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137
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138 CHICKEN_IMAGE_FILE = 'sprites/equip_knife.png'
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139
158
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140 class Armour(Equipment):
174
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141 IS_ARMOUR = True
161
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142 DRAW_LAYER = 5
158
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143
174
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144 def __init__(self):
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145 super(Armour, self).__init__()
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146 self.hitpoints = self.STARTING_HITPOINTS
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147
158
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148 def place(self, animal):
167
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149 for eq in animal.equipment:
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150 if eq.NAME == self.NAME:
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151 return False
158
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152 return True
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153
174
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154 def survive_damage(self):
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155 self.hitpoints -= 1
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156 if self.hitpoints > 0:
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157 self._sell_price = int(self._sell_price*self.hitpoints/float(self.hitpoints+1))
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158 return True
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159 return False
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160
158
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161 class Helmet(Armour):
305
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162 NAME = "Helmet"
158
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163 BUY_PRICE = 25
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164 SELL_PRICE = 15
250
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165 DRAW_LAYER = 6
158
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166
174
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167 STARTING_HITPOINTS = 1
158
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168
244
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169 CHICKEN_IMAGE_FILE = 'sprites/equip_helmet.png'
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170 UNDER_EYE = True
158
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171
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172 class Kevlar(Armour):
305
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173 NAME = "Kevlar"
158
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174 BUY_PRICE = 100
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175 SELL_PRICE = 75
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176
174
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177 STARTING_HITPOINTS = 2
158
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178
244
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179 CHICKEN_IMAGE_FILE = 'sprites/equip_kevlar.png'
158
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180
195
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181 class Accoutrement(Equipment):
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182 """Things which are not equipment, but are displayed in the same way"""
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183 IS_EQUIPMENT = False
200
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184 IS_ACCOUTREMENT = True
195
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185 BUY_PRICE = 0
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186 SELL_PRICE = 0
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parents: 189
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187
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188 def place(self, animal):
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189 for eq in animal.accoutrements:
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190 if eq.NAME == self.NAME:
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191 return False
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192 return True
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193
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194 class Spotlight(Accoutrement):
305
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195 NAME = "Spotlight"
195
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196 CHICKEN_IMAGE_FILE = 'sprites/select_chkn.png'
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197 DRAW_LAYER = -5
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198
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199 class Nest(Accoutrement):
305
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200 NAME = "Nest"
195
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201 CHICKEN_IMAGE_FILE = 'sprites/nest.png'
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202 DRAW_LAYER = 15
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203
210
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204 class NestEgg(Accoutrement):
305
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205 NAME = "Nestegg"
210
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206 CHICKEN_IMAGE_FILE = 'sprites/equip_egg.png'
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207 DRAW_LAYER = 14
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parents: 202
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208
109
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209 def is_equipment(obj):
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210 """Return true if obj is a build class."""
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211 return getattr(obj, "IS_EQUIPMENT", False) and hasattr(obj, "NAME")
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212
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213 def is_weapon(obj):
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214 return is_equipment(obj) and getattr(obj, 'IS_WEAPON', False)
84
5494af02a0e8 Chickens with rifles!
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parents:
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215
174
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216 def is_armour(obj):
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217 return is_equipment(obj) and getattr(obj, 'IS_ARMOUR', False)
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218
200
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219 def is_accoutrement(obj):
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220 return not getattr(obj, "IS_EQUIPMENT", False) and hasattr(obj, "NAME") and getattr(obj, 'IS_ACCOUTREMENT', False)
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221
109
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222 EQUIPMENT = []
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223 for name in dir():
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224 obj = eval(name)
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225 try:
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226 if is_equipment(obj):
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227 EQUIPMENT.append(obj)
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228 except TypeError:
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229 pass
408
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parents: 380
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230
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231
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232 EQUIP_MAP = { # Map chicken level codes to equipment
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233 1 : [],
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234 2 : [Helmet],
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235 3 : [Kevlar],
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parents: 380
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236 4 : [Knife],
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parents: 380
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237 5 : [Rifle],
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parents: 380
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238 6 : [Kevlar, Helmet],
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parents: 380
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239 7 : [Helmet, Knife],
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parents: 380
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240 8 : [Kevlar, Knife],
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parents: 380
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241 9 : [Kevlar, Helmet, Knife],
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Neil Muller <drnlmuller@gmail.com>
parents: 380
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242 10 : [Helmet, Rifle],
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Neil Muller <drnlmuller@gmail.com>
parents: 380
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243 11 : [Kevlar, Rifle],
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Neil Muller <drnlmuller@gmail.com>
parents: 380
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244 12 : [Kevlar, Helmet, Rifle],
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parents: 380
diff changeset
245 }