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sat: support ClueStarved instances

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This commit is contained in:
Maximilian Keßler 2023-05-10 19:23:23 +02:00
parent 3a1aee1502
commit a715bda02c
Signed by: max
GPG Key ID: BCC5A619923C0BA5
1 changed files with 25 additions and 2 deletions
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27
sat.py
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@ -31,6 +31,15 @@ class Literals():
}
}
# half_clue[m] == "after move we have (an additional) half a clue [relevant for ClueStarved variants]"
self.half_clue = {
-1: Bool(False)
, **{
m: Symbol('m{}halfclue'.format(m))
for m in range(instance.max_winning_moves)
}
}
# strikes[m][i] == "after move m we have at least i strikes"
self.strikes = {
-1: {i: Bool(i == 0) for i in range(0, instance.num_strikes + 1)} # no strikes when we start
@ -195,7 +204,18 @@ def solve_sat(starting_state: GameState | HanabiInstance) -> Tuple[bool, Optiona
Iff(ls.incr_clues[m], And(ls.discard_any[m], Not(ls.clues[m-1][8]), Implies(ls.play[m], ls.play5[m]))),
# change of ls.clues
*[Iff(ls.clues[m][i], Or(ls.clues[m-1][i+1], And(ls.clues[m-1][i], Or(ls.discard_any[m], ls.dummyturn[m])), And(ls.clues[m-1][i-1], ls.incr_clues[m]))) for i in range(1, 9)],
*[
Iff(ls.clues[m][i], Or(
ls.clues[m-1][i+1],
And(ls.clues[m-1][i], Or(ls.discard_any[m], ls.dummyturn[m])),
And(ls.clues[m-1][i-1], ls.incr_clues[m], ls.half_clue[m-1] if instance.clue_starved else Bool(True))
)
)
for i in range(1, 9)
],
Iff(ls.half_clue[m], Or(And(ls.half_clue[m-1], Not(ls.incr_clues[m])), And(Not(ls.half_clue[m-1])), ls.incr_clues[m]))
if instance.clue_starved else Bool(True),
## more than 8 clues not allowed, ls.discarding produces a strike
# Note that this means that we will never strike while not at 8 clues.
@ -299,7 +319,10 @@ def solve_sat(starting_state: GameState | HanabiInstance) -> Tuple[bool, Optiona
def print_model(model, cur_game_state, ls: Literals):
deck = cur_game_state.deck
for m in range(cur_game_state.instance.max_winning_moves):
first_turn = len(cur_game_state.actions)
if first_turn > 0:
print('[print_model] Note: Omitting first {} turns, since they were fixed already.'.format(first_turn))
for m in range(first_turn, cur_game_state.instance.max_winning_moves):
print('=== move {} ==='.format(m))
print('clues: ' + ''.join(str(i) for i in range(1, 9) if model.get_py_value(ls.clues[m][i])))
print('strikes: ' + ''.join(str(i) for i in range(1, 3) if model.get_py_value(ls.strikes[m][i])))