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Made solver work

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This commit is contained in:
Lukas Wölfer
2019-04-20 01:28:09 +02:00
parent af2565548e
commit 5c49417ca7
5 changed files with 140 additions and 76 deletions
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104
shenzhen_solitaire/board_actions.py
View File

@@ -6,21 +6,39 @@ from . import board
class Action:
_before_state: int = 0
_after_state: int = 0
def _apply(self, action_board: board.Board) -> None:
pass
def _undo(self, action_board: board.Board) -> None:
pass
def apply(self, action_board: board.Board) -> None:
pass
#print(f"Applying {str(self)}")
assert self._before_state == 0
assert self._after_state == 0
self._before_state = action_board.state_identifier
self._apply(action_board)
self._after_state = action_board.state_identifier
def undo(self, action_board: board.Board) -> None:
pass
#print(f"Undoing {str(self)}")
assert action_board.state_identifier == self._after_state
self._undo(action_board)
assert action_board.state_identifier == self._before_state
@dataclass
class GoalAction:
class GoalAction(Action):
"""Move card from field to goal"""
card: board.NumberCard
source_id: int
source_position: board.Position
def apply(self, action_board: board.Board) -> None:
def _apply(self, action_board: board.Board) -> None:
"""Do action"""
if self.source_position == board.Position.Field:
assert action_board.field[self.source_id][-1] == self.card
@@ -35,7 +53,7 @@ class GoalAction:
else:
raise RuntimeError("Unknown position")
def undo(self, action_board: board.Board) -> None:
def _undo(self, action_board: board.Board) -> None:
"""Undo action"""
assert action_board.goal[self.card.suit] == self.card.number
if self.source_position == board.Position.Field:
@@ -49,15 +67,13 @@ class GoalAction:
@dataclass
class BunkerizeAction:
class BunkerizeAction(Action):
"""Move card from bunker to field"""
card: board.Card
bunker_id: int
field_id: int
to_bunker: bool
_before_state: int = 0
_after_state: int = 0
def _move_from_bunker(self, action_board: board.Board) -> None:
assert action_board.bunker[self.bunker_id] == self.card
@@ -70,14 +86,14 @@ class BunkerizeAction:
action_board.bunker[self.bunker_id] = self.card
action_board.field[self.field_id].pop()
def apply(self, action_board: board.Board) -> None:
def _apply(self, action_board: board.Board) -> None:
"""Do action"""
if self.to_bunker:
self._move_to_bunker(action_board)
else:
self._move_from_bunker(action_board)
def undo(self, action_board: board.Board) -> None:
def _undo(self, action_board: board.Board) -> None:
"""Undo action"""
if self.to_bunker:
self._move_from_bunker(action_board)
@@ -86,14 +102,12 @@ class BunkerizeAction:
@dataclass
class MoveAction:
class MoveAction(Action):
"""Moving a card from one field stack to another"""
cards: List[board.Card]
source_id: int
destination_id: int
_before_state: int = 0
_after_state: int = 0
def _shift(
self,
@@ -102,21 +116,18 @@ class MoveAction:
dest: int) -> None:
"""Shift a card from the field id 'source' to field id 'dest'"""
print(f"Incoming shift from {source} to {dest}")
print(
*
list(itertools.zip_longest(
action_board.field[source][::-1],
self.cards[::-1]))[::-1],
sep="\n")
print("--- GO ---")
for stack_offset, card in enumerate(
self.cards, start=-len(self.cards)):
assert action_board.field[source][stack_offset] == card
if action_board.field[dest]:
dest_card = action_board.field[dest][-1]
action_board.field[source] = action_board.field[
source][:-len(self.cards)]
action_board.field[dest].extend(self.cards)
def _apply(self, action_board: board.Board) -> None:
"""Do action"""
if action_board.field[self.destination_id]:
dest_card = action_board.field[self.destination_id][-1]
if not all(isinstance(x, board.NumberCard) for x in self.cards):
raise AssertionError()
if not isinstance(dest_card, board.NumberCard):
@@ -127,49 +138,22 @@ class MoveAction:
raise AssertionError()
if dest_card.number != self.cards[0].number + 1:
raise AssertionError()
print(
*
itertools.zip_longest(
action_board.field[source],
action_board.field[dest]),
sep="\n")
action_board.field[source] = action_board.field[
source][:-len(self.cards)]
action_board.field[dest].extend(self.cards)
print()
print(
*
itertools.zip_longest(
action_board.field[source],
action_board.field[dest]),
sep="\n")
print()
print()
def apply(self, action_board: board.Board) -> None:
"""Do action"""
self._before_state = action_board.state_identifier
self._shift(action_board, self.source_id, self.destination_id)
self._after_state = action_board.state_identifier
def undo(self, action_board: board.Board) -> None:
def _undo(self, action_board: board.Board) -> None:
"""Undo action"""
print("Undo shift")
assert action_board.state_identifier == self._after_state
self._shift(action_board, self.destination_id, self.source_id)
assert action_board.state_identifier == self._before_state
@dataclass
class DragonKillAction:
class DragonKillAction(Action):
"""Removing four dragons from the top of the stacks to a bunker"""
dragon: board.SpecialCard
source_stacks: List[Tuple[board.Position, int]]
destination_bunker_id: int
def apply(self, action_board: board.Board) -> None:
def _apply(self, action_board: board.Board) -> None:
"""Do action"""
assert (
action_board.bunker[self.destination_bunker_id] is None
@@ -188,7 +172,7 @@ class DragonKillAction:
raise RuntimeError("Can only kill dragons in field and bunker")
action_board.bunker[self.destination_bunker_id] = (self.dragon, 4)
def undo(self, action_board: board.Board) -> None:
def _undo(self, action_board: board.Board) -> None:
"""Undo action"""
assert action_board.bunker[self.destination_bunker_id] == (
self.dragon, 4)
@@ -204,12 +188,12 @@ class DragonKillAction:
@dataclass
class HuaKillAction:
class HuaKillAction(Action):
"""Remove the flower card"""
source_field_id: int
def apply(self, action_board: board.Board) -> None:
def _apply(self, action_board: board.Board) -> None:
"""Do action"""
assert not action_board.flower_gone
assert (action_board.field[self.source_field_id][-1]
@@ -217,12 +201,8 @@ class HuaKillAction:
action_board.field[self.source_field_id].pop()
action_board.flower_gone = True
def undo(self, action_board: board.Board) -> None:
def _undo(self, action_board: board.Board) -> None:
"""Undo action"""
assert action_board.flower_gone
action_board.field[self.source_field_id].append(board.SpecialCard.Hua)
action_board.flower_gone = False
Action = Union[MoveAction, DragonKillAction,
HuaKillAction, BunkerizeAction, GoalAction]

12
shenzhen_solitaire/board_possibilities.py
View File

@@ -142,7 +142,6 @@ def _can_stack(bottom: board.Card, top: board.Card) -> bool:
return False
if bottom.number != top.number + 1:
return False
print(f"{bottom.number} and {top.number} can stack")
return True
@@ -160,8 +159,6 @@ def _get_cardstacks(search_board: board.Board) -> List[List[board.Card]]:
if not isinstance(card, board.NumberCard):
break
result[-1].insert(0, card)
print(f"Cardstack {search_board.state_identifier}:")
print(*result, sep='\n')
return result
@@ -170,20 +167,25 @@ def possible_field_move_actions(
) -> Iterator[board_actions.MoveAction]:
"""Enumerate all possible move actions
from one field stack to another field stack"""
first_empty_field_id = -1
my_id = search_board.state_identifier
for index, stack in enumerate(_get_cardstacks(search_board)):
if not stack:
continue
print(f"{index}: {stack}")
# TODO: sort all substacks by length
for substack in (stack[i:] for i in range(len(stack))):
for other_index, other_stack in enumerate(search_board.field):
print(f"{index} - {other_index}: \n\t{substack} \n\t{other_stack}")
if index == other_index:
continue
if other_stack:
if not _can_stack(other_stack[-1], substack[0]):
continue
elif first_empty_field_id == -1:
first_empty_field_id = other_index
elif other_index != first_empty_field_id:
continue
elif len(substack) == len(search_board.field[index]):
continue
assert search_board.state_identifier == my_id
yield board_actions.MoveAction(
cards=substack, source_id=index, destination_id=other_index

24
shenzhen_solitaire/solver.py
View File

@@ -9,16 +9,19 @@ class ActionStack:
iterator_stack: List[Iterator[board_actions.Action]]
action_stack: List[Optional[board_actions.Action]]
index_stack: List[int]
state_stack: List[int]
def __init__(self) -> None:
self.iterator_stack = []
self.index_stack = []
self.action_stack = []
self.state_stack = []
def push(self, board: Board) -> None:
self.iterator_stack.append(possible_actions(board))
self.action_stack.append(None)
self.index_stack.append(0)
self.state_stack.append(board.state_identifier)
def get(self) -> Optional[board_actions.Action]:
try:
@@ -32,6 +35,7 @@ class ActionStack:
self.action_stack.pop()
self.iterator_stack.pop()
self.index_stack.pop()
self.state_stack.pop()
def __len__(self) -> int:
return len(self.index_stack)
@@ -51,27 +55,29 @@ class SolitaireSolver:
self.stack.push(self.search_board)
def solve(self) -> List[board_actions.Action]:
applied = True
max_goal = 0
action = None
while self.stack:
last_action = action
assert (self.search_board.state_identifier ==
self.stack.state_stack[-1])
action = self.stack.get()
if not action:
if last_action and applied:
last_action.undo(self.search_board)
assert (self.search_board.state_identifier
in self.state_set)
self.stack.pop()
self.stack.action_stack[-1].undo(self.search_board)
assert (self.search_board.state_identifier
in self.state_set)
continue
action.apply(self.search_board)
print(f"Applying {str(action)}")
applied = True
if self.search_board.solved():
return self.stack.action_stack
if self.search_board.state_identifier in self.state_set:
action.undo(self.search_board)
applied = False
assert self.search_board.state_identifier in self.state_set
continue
self.state_set.add(self.search_board.state_identifier)
self.stack.push(self.search_board)
if sum(self.search_board.goal.values()) > max_goal:
max_goal = sum(self.search_board.goal.values())
print(self.search_board.goal)
return self.stack.action_stack