annotate gamelib/schematics.py @ 116:a8a46c14d467

Marine beasts!
author Jeremy Thurgood <firxen@gmail.com>
date Wed, 09 May 2012 23:20:04 +0200
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children 8e64bbd561bd
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1 # -*- test-case-name: gamelib.tests.test_schematics -*-
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3 from gamelib import research
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4 from gamelib.game_base import Science
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7 class SchematicCategorySet(object):
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8 def __init__(self, *categories):
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9 for cat in categories:
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10 setattr(self, cat, cat.lower().replace('_', ' '))
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11
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12 cat = SchematicCategorySet(
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13 'HAND_WEAPON',
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14 'VEHICLE',
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15 'DOOMSDAY_DEVICE',
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16 'PATHOGEN',
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17 'MIND_CONTROL',
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18 'BEAST',
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19 'AQUATIC',
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20 )
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23 class Schematic(Science):
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24 # For all Schematics
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25 SCIENCE_TYPE = 'schematic'
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26
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27 # Acquisition
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28 STARTING_PRODUCT = False
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29 ACQUISITION_CHANCE = 0.8
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30 CATEGORIES = ()
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31
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32 # Costs
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33 UPGRADE_REQUIREMENT = 1
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34 COST = None
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35
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36 # Power and reliability
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37 PROTOTYPE_RELIABILITY = 0.4
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38 PRODUCTION_RELIABILITY = 0.8
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39 BASE_POWER = None
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40 POWER_INCREMENT = None
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42 def can_spend(self, lab, spend):
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43 extra = self.UPGRADE_REQUIREMENT * self.points + spend
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44 return lab.meet_requirements(self, extra)
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20ed2843adec More categories.
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46 def is_a(self, category):
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47 return category in self.CATEGORIES
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49 def reliability(self):
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50 if self.points:
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51 exp = 1 + 0.5 * (self.points - 1)
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52 return 1.0 - ((1.0 - self.PRODUCTION_RELIABILITY) ** exp)
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53 return self.PROTOTYPE_RELIABILITY
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55 def power(self):
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56 power = self.BASE_POWER
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57 if None not in (power, self.POWER_INCREMENT):
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58 power += self.POWER_INCREMENT * self.points
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59 return power
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60
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61 @classmethod
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62 def sanity_check(cls):
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63 for science, points in cls.PREREQUISITES:
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64 assert issubclass(science, Science)
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65 assert isinstance(points, int)
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66 assert isinstance(cls.CATEGORIES, tuple)
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69 class MachineGun(Schematic):
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70 NAME = "machine gun"
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71 COST = 100
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72 CATEGORIES = (cat.HAND_WEAPON,)
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73 STARTING_PRODUCT = True
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74
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75 def __init__(self, points=0):
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76 self.points = 1
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77
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78 def spend_point(self):
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79 raise NotImplementedError()
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81 def can_spend(self, lab, spend):
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82 return False
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85 class LightningGun(Schematic):
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86 NAME = "lightning gun"
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87 COST = 300
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88 CATEGORIES = (cat.HAND_WEAPON,)
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89 PREREQUISITES = (
115
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90 (research.Electrickery, 1),
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91 )
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94 class TeslaTank(Schematic):
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95 NAME = "tesla tank"
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96 COST = 1000
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97 CATEGORIES = (cat.VEHICLE,)
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98 PREREQUISITES = (
115
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99 (research.Electrickery, 3),
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100 )
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101
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102
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103 class DoomsdayVirus(Schematic):
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104 NAME = "doomsday virus"
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105 COST = 100000
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106 CATEGORIES = (cat.DOOMSDAY_DEVICE, cat.PATHOGEN)
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107 PREREQUISITES = (
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108 (research.Biogenetics, 5),
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109 )
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110
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111
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112 class PropagandaMachine(Schematic):
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113 NAME = "propaganda machine"
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114 COST = 1000
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115 CATEGORIES = (cat.MIND_CONTROL,)
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116 PREREQUISITES = (
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117 (research.Psychology, 2),
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118 )
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119
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120
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121 class GiantSquid(Schematic):
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122 NAME = "giant squid"
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123 COST = 50000
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124 CATEGORIES = (cat.BEAST, cat.AQUATIC)
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125 PREREQUISITES = (
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126 (research.MarineBiology, 20),
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127 (research.Biogenetics, 15),
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128 )
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129
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130
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131 class SharksWithFrickinLasers(Schematic):
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132 NAME = "sharks with frickin' lasers"
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133 COST = 20000
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134 CATEGORIES = (cat.BEAST, cat.AQUATIC)
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135 PREREQUISITES = (
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136 (research.MarineBiology, 10),
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137 (research.Lasers, 7),
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138 )