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annotate gamelib/schematics.py @ 54:168cfac9a445

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Power and reliability.
author Jeremy Thurgood <firxen@gmail.com>
date Mon, 07 May 2012 22:43:54 +0200
parents 373c57ab4140
children 52913ba12988
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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 # Kinds of schematic.
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8 HAND_WEAPON = 'hand weapon'
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9 VEHICLE = 'vehicle'
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10 DOOMSDAY_DEVICE = 'doomsday device'
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11 PATHOGEN = 'pathogen'
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14 class Schematic(Science):
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15 # For all Schematics
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16 SCIENCE_TYPE = 'schematic'
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17
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18 # Acquisition
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19 STARTING_PRODUCT = False
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826b44731323 Start of basic lab implementation.
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20 ACQUISITION_CHANCE = 0.8
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21 CATEGORIES = ()
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23 # Costs
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24 UPGRADE_REQUIREMENT = 1
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25 COST = None
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27 # Power and reliability
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28 PROTOTYPE_RELIABILITY = 0.4
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29 PRODUCTION_RELIABILITY = 0.8
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30 BASE_POWER = None
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31 POWER_INCREMENT = None
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33 def can_spend(self, lab):
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34 extra = self.UPGRADE_REQUIREMENT * self.points + 1
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35 return lab.meet_requirements(self, extra)
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20ed2843adec More categories.
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37 def is_a(self, category):
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38 return category in self.CATEGORIES
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40 def reliability(self):
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41 if self.points:
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42 exp = 1 + 0.5 * (self.points - 1)
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43 return 1.0 - ((1.0 - self.PRODUCTION_RELIABILITY) ** exp)
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44 return self.PROTOTYPE_RELIABILITY
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45
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46 def power(self):
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47 power = self.BASE_POWER
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48 if None not in (power, self.POWER_INCREMENT):
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49 power += self.POWER_INCREMENT * self.points
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50 return power
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53 class MachineGun(Schematic):
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54 NAME = "Machine gun"
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8865ba0c9c38 Add cost to products
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55 COST = 100
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56 CATEGORIES = (HAND_WEAPON,)
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57 STARTING_PRODUCT = True
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59 def __init__(self, points=0):
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60 self.points = 1
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61
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62 def spend_point(self):
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63 raise NotImplementedError()
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64
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65 def can_spend(self, lab):
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66 return False
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69 class LightningGun(Schematic):
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70 NAME = "Lightning gun"
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71 COST = 300
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72 CATEGORIES = (HAND_WEAPON,)
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73 PREREQUISITES = (
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74 (research.Tesla, 1),
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75 )
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78 class TeslaTank(Schematic):
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79 NAME = "Tesla tank"
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80 COST = 1000
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81 CATEGORIES = (VEHICLE,)
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82 PREREQUISITES = (
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83 (research.Tesla, 3),
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84 )
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87 class DoomsdayVirus(Schematic):
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88 NAME = "Doomsday virus"
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89 COST = 100000
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90 CATEGORIES = (DOOMSDAY_DEVICE, PATHOGEN)
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91 PREREQUISITES = (
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9d61abb3cfaf Better subclass handling.
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92 (research.Biogenetics, 5),
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93 )