Mercurial > sypikslang
diff gamelib/missions.py @ 23:f6a3b213857b
Fix up some game state logic, add very basic REPL game interface.
author | Jeremy Thurgood <firxen@gmail.com> |
---|---|
date | Sun, 06 May 2012 19:06:28 +0200 |
parents | gamelib/mission.py@296ce36fa7d9 |
children | 27570aca5d17 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gamelib/missions.py Sun May 06 19:06:28 2012 +0200 @@ -0,0 +1,148 @@ +# -*- coding: utf-8 -*- +# vim:fileencoding=utf-8 ai ts=4 sts=4 et sw=4 + +from products import DoomsdayVirus, MachineGun, LightningGun + +MAJOR_SETBACK, FAILURE, SUCCESS, MAJOR_SUCCESS, GAME_WIN = range(5) + + +class Result(object): + """Results of a mission""" + + def __init__(self, outcome, money, reputation, msg): + self.outcome = outcome + self.money = money + self.reputation = reputation + self.message = msg + self.applied = False + + def apply(self, state): + if not self.applied: + state.money += self.money + state.reputation += self.reputation + self.applied = True + else: + raise RuntimeError('attempted to apply result twice') + + +class Mission(object): + """Base class for the mission objects. + Missions have a name, short description (for list displays) and + long description (which may contain clues about approaches)""" + + NAME = "Generic Mission" + SHORT_DESCRIPTION = None + LONG_DESCRIPTION = None + available = True + + def __init__(self, init_data=None): + pass + + def save_data(self): + """Serialize the mission state for saving, etc.""" + return [] + + def attempt(self, equipment, state): + """Attempt the mission with the given equipment list. + + Returns a result object with the results of the mission.""" + return Result(FAILURE, 0, 0, "You can't succceed at this mission") + + +class PlaygroundBully(Mission): + + NAME = "Rob kids in the playground" + SHORT_DESCRIPTION = "Steal from those significantly weaker than yourself" + LONG_DESCRIPTION = ("It's not menancing, or lucrative, but when the bills" + " are due, no one cares how you earn the money") + + def attempt(sefl, equipment, state): + return Result(SUCCESS, 100, -1, "You devote your resources to" + " robbing kids in a playpark. It's not the finest moment" + " in your reign of terror, but at least you walked away" + " with a surprising amount of small change.") + + +class RansomChina(Mission): + + NAME = "Hold China to ransom" + SHORT_DESCRIPTION = "Surely a path to riches and fame" + LONG_DESCRIPTION = "Holding China to ransom. The rewards for" \ + " successfully threatening the largest country in the world" \ + " are great, but the risks are significant. Without " \ + "some serious firepower, the chances of success are small." + + def __init__(self, init_data=None): + # Track prior approaches to this mission + self._prior_attempts = [] + if init_data: + self._prior_attempts = init_data + + def save_data(self): + return self._prior_attempts + + def attempt(self, equipment, state): + failures = [] + reputation = 0 + for item in equipment: + if isinstance(item, DoomsdayVirus) and \ + item.NAME not in self._prior_attempts: + self._prior_attempts.add(item.NAME) + return Result(SUCCESS, 1000000, 1, "Trembling at the threat of" + " your doomsday virus, the chinese government pays the" + " ransom") + elif isinstance(item, DoomsdayVirus): + reputation = -1 + failures.append("'Hah, we've developed an antidote to your" + " virus, doctor'. You cannot threaten us with that" + " again'") + else: + failures.append("You fail to inspire fear with your %s" + % item.name) + return Result(FAILURE, 0, reputation, "\n".join(failures)) + + +class RobBank(Mission): + + NAME = "Rob the local bank" + SHORT_DESCRIPTION = "A trivial challenge, but easy money" + LONG_DESCRIPTION = "The security guards and local police are of minor" \ + " concern. Walk in, clean out the vault, walk out. Couldn't be" \ + " simpler." + + def attempt(self, equipment, state): + failures = [] + for item in equipment: + if isinstance(item, DoomsdayVirus): + if state.reputation < 10: + failures.append("The clerk doesn't realise the threat of" + " the vial you hold, and, although watching him" + " die in agony would be statisfying, you decide" + " it's not worth wasting this on something so" + " trivial") + else: + return Result(SUCCESS, 1000, 0, "Holding up a bank with" + " only a small vial of clear liquid. Now that" + " is power.") + elif isinstance(item, (MachineGun, LightningGun)): + return Result(SUCCESS, 1000, 0, "The threat of your weapons is" + " enough to inspire an impressive level of cooperation") + else: + failures.append("You fail to inspire fear with your %s" + % item.name) + return Result(FAILURE, 0, 0, "\n".join(failures)) + + +class DestroyMountRushmore(Mission): + + NAME = "Destroy Mount Rushmore" + SHORT_DESCRIPTION = "Monuments to other people? Intolerable" + LONG_DESCRIPTION = "While potentially expensive, destroying" \ + " major monument is a good way to secure your reputation." + + def attempt(self, equipment, state): + if not self.available: + raise RuntimeError('Cannot attempt an unavailable mission') + self.available = False + return Result(SUCCESS, 0, 100, + "Mount Rushmore is remarkably easy to destroy.")