Mercurial > sypikslang
annotate gamelib/mission.py @ 13:c0966997e0c5
Use a results object instead of tuple (will hopefully make changign stuff easier later)
| author | Neil Muller <drnlmuller@gmail.com> |
|---|---|
| date | Sun, 06 May 2012 15:56:22 +0200 |
| parents | 9f8def7d70d0 |
| children | 0849ab5304cf |
| rev | line source |
|---|---|
| 5 | 1 # -*- coding: utf-8 -*- |
| 2 # vim:fileencoding=utf-8 ai ts=4 sts=4 et sw=4 | |
| 3 | |
| 4 from product import DoomsdayVirus, MachineGun, TeslaGun | |
| 5 | |
| 6 | |
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7 class Result(object): |
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8 """Results of a mission""" |
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9 |
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10 def __init__(self, outcome, money, reputation, msg): |
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11 self.outcome = outcome |
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12 self.money = money |
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13 self.reputation = reputation |
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14 self.message = msg |
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15 self.applied = False |
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16 |
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17 def apply(self, state): |
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18 if not self.applied: |
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19 state.money += self.money |
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20 state.reputation += self.reputation |
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21 self.applied = True |
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22 else: |
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23 raise RuntimeError('attempted to apply result twice') |
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24 |
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25 |
| 5 | 26 class Mission(object): |
| 27 """Base class for the mission objects. | |
| 28 Missions have a name, short description (for list displays) and | |
| 29 long description (which may contain clues about approaches)""" | |
| 30 | |
| 31 NAME = "Generic Mission" | |
| 32 SHORT_DESCRIPTION = None | |
| 33 LONG_DESCRIPTION = None | |
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34 available = True |
| 5 | 35 |
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36 def attempt(self, equipment, state): |
| 5 | 37 """Attempt the mission with the given equipment list. |
| 38 | |
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39 Returns a result object with the results of the mission.""" |
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40 return Result(False, 0, 0, "You can't succceed at this mission") |
| 5 | 41 |
| 42 | |
| 43 class RansomChina(Mission): | |
| 44 | |
| 45 NAME = "Hold China to ransom" | |
| 46 SHORT_DESCRIPTION = "Surely a path to riches and fame" | |
| 47 LONG_DESCRIPTION = "Holding China to ransom. The rewards for" \ | |
| 48 " successfully threatening the largest country in the world" \ | |
| 49 " are great, but the risks are significant. Without " \ | |
| 50 "some serious firepower, the chances of success are small." | |
| 51 | |
| 52 def __init__(self): | |
| 53 # Track prior approaches to this mission | |
| 54 self._prior_attempts = [] | |
| 55 | |
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56 def attempt(self, equipment, state): |
| 5 | 57 failures = [] |
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58 reputation = 0 |
| 5 | 59 for item in equipment: |
| 60 if isinstance(item, DoomsdayVirus) and \ | |
| 61 item not in self._prior_attempts: | |
| 62 self._prior_attempts.add(item) | |
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63 return Result(True, 1000000, 1, "Trembling at the threat of" |
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64 " your doomsday virus, the chinese government pays the" |
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65 " ransom") |
| 5 | 66 elif isinstance(item, DoomsdayVirus): |
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67 reputation = -1 |
| 5 | 68 failures.append("'Hah, we've developed an antidote to your" |
| 69 " virus, doctor'. You cannot threaten us with that" | |
| 70 " again'") | |
| 71 else: | |
| 72 failures.append("You fail to inspire fear with your %s" | |
| 73 % item.name) | |
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74 return Result(False, 0, reputation, "\n".join(failures)) |
| 5 | 75 |
| 76 | |
| 77 class RobBank(Mission): | |
| 78 | |
| 79 NAME = "Rob the local bank" | |
| 80 SHORT_DESCRIPTION = "A trivial challenge, but easy money" | |
| 81 LONG_DESCRIPTION = "The security guards and local police are of minor" \ | |
| 82 " concern. Walk in, clean out the vault, walk out. Couldn't be" \ | |
| 83 " simpler." | |
| 84 | |
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85 def attempt(self, equipment, state): |
| 5 | 86 failures = [] |
| 87 for item in equipment: | |
| 88 if isinstance(item, DoomsdayVirus): | |
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89 if state.reputation < 10: |
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90 failures.append("The clerk doesn't realise the threat of" |
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91 " the vial you hold, and, although watching him" |
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92 " die in agony would be statisfying, you decide" |
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93 " it's not worth wasting this on something so" |
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94 " trivial") |
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95 else: |
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96 return Result(True, 1000, 0, "Holding up a bank with only" |
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97 " a small vial of clear liquid. Now that is power.") |
| 5 | 98 elif isinstance(item, MachineGun) or isinstance(item, TeslaGun): |
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99 return Result(True, 1000, 0, "The threat of your weapons is" |
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100 " enough to inspire an impressive level of cooperation") |
| 5 | 101 else: |
| 102 failures.append("You fail to inspire fear with your %s" | |
| 103 % item.name) | |
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104 return Result(False, 0, 0, "\n".join(failures)) |
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105 |
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106 |
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107 class DestroyMountRushmore(Mission): |
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108 |
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109 NAME = "Destroy Mount Rushmore" |
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110 SHORT_DESCRIPTION = "Monuments to other people? Intolerable" |
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111 LONG_DESCRIPTION = "While potentially expensive, destroying" \ |
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112 " major monument is a good way to secure your reputation." |
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113 |
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114 def attempt(self, equipment, state): |
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115 if not self.available: |
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116 raise RuntimeError('Cannot attempt an unavailable mission') |
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117 self.available = False |
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118 return Result(True, 0, 100, |
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119 "Mount Rushmore is remarkably easy to destroy.") |