302 lines
10 KiB
Python
302 lines
10 KiB
Python
from util import Bernoulli
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# Models work like this; feel free to inherit from BaseModel to get the
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# necessary helpful things.
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#
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# Instance variables of models represent unknowns or random data. The important
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# calls are
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# * player_sees_player_and_claims
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# * votes
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# * mission
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# And that's it! Delegate to other functions as necessary (see the example
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# role-based map below) These functions should return one of the following,
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# depending on the circumstance:
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# * True -- This set of statements could totally happen (or randomness chose
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# that it did)
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#
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# * False -- This set of statements could happen, but is unlikely (or
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# randomness chose that it didn't)
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#
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# * None -- This set of statements could NEVER happen, please remove them from
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# consideration.
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class BaseModel(object):
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def __init__(self, game):
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self.game = game
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self.deal = []
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# These are helper functions -- do not override
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def set_deal(self, deal):
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self.deal = deal
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def is_good(self, player, round):
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return self.game.player_is_good(self.deal, player, round)
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def is_role(self, player, role):
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return self.game.player_role(self.deal, player) == role
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def player_role(self, player):
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return self.game.player_role(self.deal, player)
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def get_id_for_role(self, role):
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roles = [x[0] for x in self.deal]
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try:
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return roles.index(role)
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except Exception:
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return -1
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# Override these!
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def player_sees_player_and_claims(self, p1, p2, claim, rnd):
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return True
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def mission(self, team, fails, must_fail, rnd):
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return True
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def votes(self, team, votes, fail_req, rnd):
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return True
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class DefaultModel(BaseModel):
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def __init__(self, game):
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super(DefaultModel, self).__init__(game)
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self.lady_will_duck = Bernoulli(0.7)
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self.mission_ducks_on_round = [None] * 5
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self.mission_ducks_on_round[0] = Bernoulli(0.5)
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self.mission_ducks_on_round[1] = Bernoulli(0.5)
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self.mission_ducks_on_round[2] = Bernoulli(0.5)
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self.early_spy_duck = Bernoulli(0.3)
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self.multiple_spy_one_duck = Bernoulli(0.15)
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self.ignorance_on_round = [None] * 5
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self.ignorance_on_round[0] = Bernoulli(0.9)
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self.ignorance_on_round[1] = Bernoulli(0.7)
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self.ignorance_on_round[2] = Bernoulli(0.5)
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self.ignorance_on_round[3] = Bernoulli(0.3)
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self.ignorance_on_round[4] = Bernoulli(0.3)
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self.spy_vote_duck_on_round = [None] * 5
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self.spy_vote_duck_on_round[0] = Bernoulli(0.9)
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self.spy_vote_duck_on_round[1] = Bernoulli(0.7)
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self.spy_vote_duck_on_round[2] = Bernoulli(0.5)
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self.spy_vote_duck_on_round[3] = Bernoulli(0.3)
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self.spy_vote_duck_on_round[4] = Bernoulli(0.3)
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self.multiple_spy_vote_duck = Bernoulli(0.75)
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self.merlin_ignorance = Bernoulli(0.2)
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def player_sees_player_and_claims(self, p1, p2, claim, rnd):
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if self.is_good(p1, rnd) or self.is_role(p1, "Mordred"):
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if self.is_good(p2, rnd) == claim:
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return True
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else:
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return None
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else:
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if claim is True:
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return self.lady_will_duck.rand()
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if claim is False:
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return not self.lady_will_duck.rand()
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def mission(self, team, fails, must_fail, rnd):
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n_actually_good_people = sum(
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[int(self.is_good(x, rnd)) for x in team])
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n_spies = len(team) - n_actually_good_people
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spy_names = [self.player_role(x) for x in team if self.is_good(x, rnd)]
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if fails > n_spies:
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return None
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if n_spies == 0:
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if fails != 0:
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return None
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else:
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return True
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else:
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# There's at least one spy.
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if fails == 0:
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# They obviously did duck.
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if must_fail:
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return None
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if n_spies > 1:
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return not self.multiple_spy_one_duck.rand()
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if rnd >= 0 and rnd < 3:
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return self.mission_ducks_on_round[rnd].rand()
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elif rnd == 3:
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# They always duck on 4
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return True
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elif rnd == 4:
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# They never duck on 5
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return None
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elif fails == 1 and n_spies == 1:
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# One fail, one spy.
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spy = spy_names[0]
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if rnd >= 0 and rnd < 3:
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return self.mission_ducks_on_round[rnd].rand()
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elif rnd == 3:
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if spy == "Oberon":
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return True
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if spy == "GLance":
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return True
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return False
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elif rnd == 4:
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return True
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elif fails < n_spies:
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return self.multiple_spy_one_duck.rand()
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elif fails > 1:
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# collision!
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return True
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else:
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return True
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return True
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def votes(self, team, votes, fail_req, rnd):
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for player, vote in enumerate(votes):
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role = self.player_role(player)
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if role in special_votes:
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if special_votes[role](self, player, team,
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votes, fail_req, rnd):
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continue
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else:
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return False
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else:
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if default_vote(self, player, team, votes,
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fail_req, rnd):
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continue
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else:
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return False
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return True
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def default_vote(game, player, team, votes, fail_req, rnd):
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n_actually_good_people = sum(
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[int(game.is_good(x, rnd)) for x in team])
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n_spies = len(team) - n_actually_good_people
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if player in team:
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return True
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if game.is_good(player, rnd):
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if n_spies > fail_req - 1:
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# Bad Team!
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if votes[player] == 1:
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return game.ignorance_on_round[rnd].rand()
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else:
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return True
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else:
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# Good Team!
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if votes[player] == 0:
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return game.ignorance_on_round[rnd].rand()
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else:
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return True
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else:
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if n_spies < fail_req:
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if votes[player] == 1:
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return not game.spy_vote_duck_on_round[rnd].rand()
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else:
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return game.spy_vote_duck_on_round[rnd].rand()
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elif n_spies == fail_req:
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return True
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elif n_spies > fail_req:
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return game.multiple_spy_vote_duck.rand()
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return True
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def merlin_vote(model, player_id, team, votes, fail_req, r):
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n_actually_good_people = sum(
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[int(model.is_good(x, r)) for x in team])
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n_spies = len(team) - n_actually_good_people
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roles = [model.player_role(x) for x in team]
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if "Mordred" in roles:
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n_spies = n_spies - 1
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if player_id in team:
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return True
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# At this point, this is the number of spies Merlin counts
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if n_spies == 0:
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if votes[player_id] == 0:
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# Voted down an apparently good team. Ignore this.
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return True
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if votes[player_id] == 1:
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if model.merlin_ignorance.rand():
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return False
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return True
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elif n_spies == 1:
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# He'll either duck or vote it down. Either is fine
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return True
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elif n_spies > 1 and fail_req == 1:
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# Merlin wants spies to be butting heads.
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if votes[player_id] == 1:
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# Voted down an apparently good team. Ignore this.
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return True
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if votes[player_id] == 0:
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if model.merlin_ignorance.rand():
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return True
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return False
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elif n_spies > 1 and fail_req > 1:
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# Ignore the vote here
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return True
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return True
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def mordred_vote(game, player_id, team, votes, fail_req, r):
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n_actually_good_people = sum(
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[int(game.is_good(x, r)) for x in team])
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n_spies = len(team) - n_actually_good_people
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roles = [game.player_role(x) for x in team]
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if "Oberon" in roles:
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n_spies = n_spies - 1
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if player_id in team:
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return True
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# At this point, this is the number of spies Mordred knows.
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if n_spies == 0:
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# The chance that merlin doesn't know Mordred is 1 - Merlin's ignorance
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# Read this as "if Merlin is not ignorant of my role"
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if not game.merlin_ignorance.rand():
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if votes[player_id] == 1:
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return False
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else:
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return True
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# Merlin is ignorant...
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else:
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# Vote it up or down, doesn't matter, both could happen
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return True
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elif n_spies == 1:
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# He'll either duck or vote it down. Either is fine
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return True
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elif n_spies > 1:
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# Never vote up a team of more than one spy, unless fail_req is high
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if fail_req > 1:
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return True
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else:
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return False
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return True
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def guen_vote(game, player_id, team, votes, fail_req, rnd):
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glance = game.get_id_for_role("GLance")
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elance = game.get_id_for_role("ELance")
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if elance == -1 or glance == -1:
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return default_vote(game, player_id, team, votes, fail_req, rnd)
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if glance in team and elance in team:
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if votes[player_id] == 1:
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return False
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else:
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return True
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else:
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return default_vote(game, player_id, team, votes, fail_req, rnd)
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def percy_vote(game, player_id, team, votes, fail_req, rnd):
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morgana = game.get_id_for_role("Morgana")
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merlin = game.get_id_for_role("Merlin")
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if merlin == -1 or morgana == -1:
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return default_vote(game, player_id, team, votes, fail_req, rnd)
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if merlin in team and morgana in team:
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if votes[player_id] == 1:
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return False
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else:
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return True
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else:
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return default_vote(game, player_id, team, votes, fail_req, rnd)
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special_votes = {
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"Merlin": merlin_vote,
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"Mordred": mordred_vote,
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"Guen": guen_vote,
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"Percy": percy_vote
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}
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