192 lines
8.3 KiB
Python
Executable file
192 lines
8.3 KiB
Python
Executable file
#! /bin/python3
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import collections
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import sys
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from enum import Enum
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from log_setup import logger
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from time import sleep
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from hanabi import DeckCard, Action, ActionType, GameState, HanabiInstance
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from compress import link, decompress_deck
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from database.database import conn
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class CardType(Enum):
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Trash = 0
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Playable = 1
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Critical = 2
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Dispensable = 3
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class CardState():
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def __init__(self, card_type: CardType, card: DeckCard, weight=1):
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self.card_type = card_type
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self.card = card
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self.weight = weight
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def __repr__(self):
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match self.card_type:
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case CardType.Trash:
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return "Trash ({})".format(self.card)
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case CardType.Playable:
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return "Playable ({}) with weight {}".format(self.card, self.weight)
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case CardType.Critical:
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return "Critical ({})".format(self.card)
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case CardType.Dispensable:
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return "Dispensable ({}) with weight {}".format(self.card, self.weight)
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# TODO
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def card_type(game_state, card):
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played = game_state.stacks[card.suitIndex]
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if card.rank <= played:
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return CardType.Trash
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elif card.rank == played + 1:
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return CardType.Playable
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elif card.rank == 5 or card in game_state.trash:
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return CardType.Critical
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else:
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return CardType.Dispensable
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class GreedyStrategy():
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def __init__(self, game_state: GameState):
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self.game_state = game_state
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self.earliest_draw_times = []
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for s in range(0, game_state.instance.num_suits):
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self.earliest_draw_times.append([])
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for r in range(1, 6):
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self.earliest_draw_times[s].append(max(
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game_state.deck.index(DeckCard(s, r)) - game_state.hand_size * game_state.num_players + 1,
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0 if r == 1 else self.earliest_draw_times[s][r - 2]
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))
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# Currently, we do not add the time the 5 gets drawn to this, since this is rather a measurument on how
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# bad a suit is in terms of having to hold on to other cards that are not playable *yet*
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self.suit_badness = [sum(self.earliest_draw_times[s][:-1]) for s in range(0, game_state.num_suits)]
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def make_move(self):
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hand_states = [[CardState(card_type(self.game_state, card), card, None) for card in self.game_state.hands[p]]
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for p in range(self.game_state.num_players)]
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# find dupes in players hands, marke one card crit and the other one trash
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p = False
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for states in hand_states:
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counter = collections.Counter(map(lambda state: state.card, states))
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for card in counter:
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if counter[card] >= 2:
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dupes = (cstate for cstate in states if cstate.card == card)
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first = next(dupes)
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if first.card_type == CardType.Dispensable:
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first.card_type = CardType.Critical
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for dupe in dupes:
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dupe.card_type = CardType.Trash
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def hand_badness(states):
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if any(state.card_type == CardType.Playable for state in states):
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return 0
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crits = [state for state in states if state.card_type == CardType.Critical]
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crits_val = sum(map(lambda state: state.card.rank, crits))
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if any(state.card_type == CardType.Playable for state in states):
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return crits_val
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def player_distance(f, t):
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return ((t - f - 1) % self.game_state.num_players) + 1
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for (player, states) in enumerate(hand_states):
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for state in states:
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if state.card_type == CardType.Playable:
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copy_holders = set(self.game_state.holding_players(state.card))
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copy_holders.remove(player)
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connecting_holders = set(
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self.game_state.holding_players(DeckCard(state.card.suitIndex, state.card.rank + 1)))
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if len(copy_holders) == 0:
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# card is unique, imortancy is based lexicographically on whether somebody has the conn. card and the rank
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state.weight = (6 if len(connecting_holders) > 0 else 1) * (6 - state.card.rank)
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else:
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# copy is available somewhere else
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if len(connecting_holders) == 0:
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# card is not urgent
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state.weight = 0.5 * (6 - state.card.rank)
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else:
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# there is a copy and there is a connecting card. check if they are out of order
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turns_to_copy = min(map(lambda holder: player_distance(player, holder), copy_holders))
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turns_to_conn = max(map(lambda holder: player_distance(player, holder), connecting_holders))
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if turns_to_copy < turns_to_conn:
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# our copy is not neccessary for connecting card to be able to play
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state.weight = 0.5 * (6 - state.card.rank)
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else:
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# our copy is important, scale it little less than if it were unique
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state.weight = 4 * (6 - state.card.rank)
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elif state.card_type == CardType.Dispensable:
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try:
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# TODO: consider duplicate in hand
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copy_holders = list(self.game_state.holding_players(state.card))
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copy_holders.remove(player)
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nextCopy = self.game_state.deck[self.game_state.progress:].index(card)
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except:
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nextCopy = 1
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# state.weight = self.suit_badness[state.card.suitIndex] * nextCopy + 2 * (5 - state.card.rank)
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state.weight = nextCopy + 2 * (5 - state.card.rank)
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cur_hand = hand_states[self.game_state.turn]
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plays = [cstate for cstate in cur_hand if cstate.card_type == CardType.Playable]
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trash = next((cstate for cstate in cur_hand if cstate.card_type == CardType.Trash), None)
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# actual decision on what to do
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if len(plays) > 0:
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play = max(plays, key=lambda s: s.weight)
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self.game_state.play(play.card.deck_index)
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elif self.game_state.clues == 8:
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self.game_state.clue()
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elif trash is not None:
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self.game_state.discard(trash.card.deck_index)
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elif self.game_state.clues == 0:
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dispensable = [cstate for cstate in cur_hand if cstate.card_type == CardType.Dispensable]
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if len(dispensable) == 0:
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self.game_state.in_lost_state = True
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# raise ValueError("Lost critical card")
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else:
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discard = min(dispensable, key=lambda s: s.weight)
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self.game_state.discard(discard.card.deck_index)
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else:
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self.game_state.clue()
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def run_deck(instance: HanabiInstance) -> GameState:
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gs = GameState(instance)
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strat = GreedyStrategy(gs)
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while not gs.is_over():
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strat.make_move()
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return gs
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def run_samples(num_players, sample_size):
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logger.info("Running {} test games on {} players using greedy strategy.".format(sample_size, num_players))
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won = 0
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lost = 0
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cur = conn.cursor()
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cur.execute(
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"SELECT seed, num_players, deck, variant_id "
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"FROM seeds WHERE variant_id = 0 AND num_players = (%s)"
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"ORDER BY seed DESC LIMIT (%s)",
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(num_players, sample_size))
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for r in cur:
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seed, num_players, deck_str, var_id = r
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deck = decompress_deck(deck_str)
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instance = HanabiInstance(deck, num_players)
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final_game_state = run_deck(instance)
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if final_game_state.score != instance.max_score:
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logger.verbose(
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"Greedy strategy lost {}-player seed {:10} {}:\n{}"
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.format(num_players, seed, str(deck), link(final_game_state))
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)
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lost += 1
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else:
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won += 1
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print("won: {:4}, lost: {:4}".format(won, lost), end="\r")
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logger.info("Won {} ({}%) and lost {} ({}%) from sample of {} test games using greedy strategy.".format(
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won, round(100 * won / sample_size, 2), lost, round(100 * lost / sample_size, 2), sample_size
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))
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