5 этап
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@ -320,4 +320,349 @@ class MazeSolver:
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path_length=len(path) if path else 0
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)
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return path, stats
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return path, stats
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# ==================== ЭТАП 5: НАБЛЮДАТЕЛЬ (OBSERVER) ====================
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class Observer:
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"""Интерфейс наблюдателя"""
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def update(self, event, data):
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raise NotImplementedError
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class ConsoleDisplay(Observer):
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"""Консольная визуализация - наблюдатель"""
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def __init__(self):
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self._last_path = None
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self._last_maze = None
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def update(self, event, data):
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if event == "maze_loaded":
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self._draw_maze(data)
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elif event == "path_found":
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self._last_path = data
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self._show_path(data)
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elif event == "player_moved":
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self._draw_maze_with_player(data)
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def _draw_maze(self, maze):
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"""Отрисовка лабиринта"""
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os.system('cls' if os.name == 'nt' else 'clear')
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print("=" * (maze.width * 2 + 4))
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print("ЛАБИРИНТ")
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print("=" * (maze.width * 2 + 4))
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for y in range(maze.height):
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line = ""
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for x in range(maze.width):
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cell = maze.get_cell(x, y)
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if cell == maze.start:
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line += "S "
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elif cell == maze.exit:
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line += "E "
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elif cell.is_wall:
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line += "# "
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else:
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line += ". "
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print(line)
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print("=" * (maze.width * 2 + 4))
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print("S - старт E - выход # - стена . - проход")
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def _draw_maze_with_player(self, game_state):
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"""Отрисовка лабиринта с игроком"""
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maze = game_state['maze']
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player = game_state['player']
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os.system('cls' if os.name == 'nt' else 'clear')
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print("=" * (maze.width * 2 + 4))
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print("ЛАБИРИНТ (P - игрок)")
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print("=" * (maze.width * 2 + 4))
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for y in range(maze.height):
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line = ""
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for x in range(maze.width):
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cell = maze.get_cell(x, y)
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if player and cell == player.get_position():
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line += "P "
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elif cell == maze.start:
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line += "S "
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elif cell == maze.exit:
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line += "E "
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elif cell.is_wall:
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line += "# "
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else:
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line += ". "
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print(line)
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print("=" * (maze.width * 2 + 4))
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if player:
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pos = player.get_position()
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print(f"Игрок: ({pos.x}, {pos.y})")
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print("S - старт E - выход # - стена . - проход P - игрок")
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def _show_path(self, path):
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"""Показ информации о найденном пути"""
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if not path:
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print("\n Путь не найден!")
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return
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print(f"\n Путь найден! Длина: {len(path)} клеток")
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# ==================== ЭТАП 5: КОМАНДА (COMMAND) ====================
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class Command:
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"""Интерфейс команды"""
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def execute(self):
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raise NotImplementedError
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def undo(self):
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raise NotImplementedError
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class MoveCommand(Command):
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"""Команда перемещения игрока"""
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def __init__(self, player, direction, maze):
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self._player = player
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self._dx, self._dy = direction
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self._maze = maze
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self._executed = False
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self._prev_position = None
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def execute(self):
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"""Выполнение перемещения"""
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if self._executed:
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return False
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pos = self._player.get_position()
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new_x = pos.x + self._dx
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new_y = pos.y + self._dy
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target = self._maze.get_cell(new_x, new_y)
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if target and target.is_passable():
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self._prev_position = pos
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self._player.set_position(target)
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self._executed = True
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return True
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return False
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def undo(self):
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"""Отмена перемещения"""
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if not self._executed or self._prev_position is None:
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return False
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self._player.set_position(self._prev_position)
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self._executed = False
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return True
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def get_name(self):
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dir_names = {(-1, 0): "ВЛЕВО", (1, 0): "ВПРАВО", (0, -1): "ВВЕРХ", (0, 1): "ВНИЗ"}
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return f"Перемещение {dir_names.get((self._dx, self._dy), 'НЕИЗВЕСТНО')}"
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class CommandInvoker:
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"""Инвокер команд (история для undo/redo)"""
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def __init__(self):
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self._history = []
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self._redo_stack = []
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def execute(self, command):
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"""Выполнение команды с сохранением в истории"""
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if command.execute():
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self._history.append(command)
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self._redo_stack.clear()
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return True
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return False
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def undo(self):
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"""Отмена последней команды"""
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if not self._history:
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return False
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command = self._history.pop()
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if command.undo():
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self._redo_stack.append(command)
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return True
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return False
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def redo(self):
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"""Повтор отменённой команды"""
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if not self._redo_stack:
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return False
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command = self._redo_stack.pop()
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if command.execute():
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self._history.append(command)
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return True
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return False
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def get_history_size(self):
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return len(self._history)
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# ==================== ЭТАП 5: ИГРОК ====================
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class Player:
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"""Игрок, перемещающийся по лабиринту"""
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def __init__(self, start_cell):
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self._position = start_cell
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self._start = start_cell
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def get_position(self):
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return self._position
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def set_position(self, cell):
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self._position = cell
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def reset(self):
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self._position = self._start
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def is_at_exit(self, maze):
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return self._position == maze.exit
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def get_steps_count(self, invoker):
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return invoker.get_history_size()
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class GameController:
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"""контроллер, объединяющий все компоненты"""
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def __init__(self, maze):
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self.maze = maze
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self.player = Player(maze.start)
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self.solver = MazeSolver(maze)
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self.invoker = CommandInvoker()
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self.view = ConsoleDisplay()
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def run(self):
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"""запуск интерактивного режима"""
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self.view.update("maze_loaded", self.maze)
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print("УПРАВЛЕНИЕ:")
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print(" H/J/K/L или ←/↓/↑/→ - движение")
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print(" U - отменить ход")
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print(" R - повторить ход")
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print(" B - BFS поиск пути")
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print(" D - DFS поиск пути")
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print(" A - A* поиск пути")
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print(" P - показать путь")
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print(" Q - выход")
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path = None
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last_strategy_name = ""
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while True:
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cmd = input("\nКоманда > ").lower()
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if cmd == 'q':
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print("До свидания!")
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break
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elif cmd in ['h', 'j', 'k', 'l']:
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dir_map = {'h': (-1, 0), 'l': (1, 0), 'k': (0, -1), 'j': (0, 1)}
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command = MoveCommand(self.player, dir_map[cmd], self.maze)
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if self.invoker.execute(command):
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self.view.update("player_moved", {
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'maze': self.maze,
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'player': self.player
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})
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if self.player.is_at_exit(self.maze):
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print(f"\n *** ПОБЕДА! ВЫХОД ДОСТИГНУТ за {self.player.get_steps_count(self.invoker)} шагов! ***")
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break
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else:
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print(" Стена! Нельзя пройти.")
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elif cmd == 'u':
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if self.invoker.undo():
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self.view.update("player_moved", {
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'maze': self.maze,
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'player': self.player
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})
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print(" Отменено")
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else:
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print(" Нечего отменять")
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elif cmd == 'r':
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if self.invoker.redo():
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self.view.update("player_moved", {
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'maze': self.maze,
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'player': self.player
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})
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print(" Повторено")
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else:
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print(" Нечего повторять")
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elif cmd == 'b':
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self.solver.setStrategy(BFSStrategy())
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start_time = time.perf_counter()
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path, stats = self.solver.solve()
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self.view.update("path_found", path)
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print(f" BFS: {stats}")
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last_strategy_name = "BFS"
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elif cmd == 'd':
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self.solver.setStrategy(DFSStrategy())
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path, stats = self.solver.solve()
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self.view.update("path_found", path)
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print(f" DFS: {stats}")
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last_strategy_name = "DFS"
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elif cmd == 'a':
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self.solver.setStrategy(AStarStrategy())
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path, stats = self.solver.solve()
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self.view.update("path_found", path)
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print(f" A*: {stats}")
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last_strategy_name = "A*"
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elif cmd == 'p':
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if path:
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self._show_path_on_maze(path)
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else:
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print(" Сначала найдите путь (B, D или A)")
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else:
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print(" Неизвестная команда")
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def _show_path_on_maze(self, path):
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"""показать путь на лабиринте"""
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os.system('cls' if os.name == 'nt' else 'clear')
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print("=" * (self.maze.width * 2 + 4))
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print("ЛАБИРИНТ С ПУТЁМ (* - путь)")
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print("=" * (self.maze.width * 2 + 4))
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path_set = set(path)
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for y in range(self.maze.height):
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line = ""
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for x in range(self.maze.width):
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cell = self.maze.get_cell(x, y)
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if cell == self.player.get_position():
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line += "P "
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elif cell == self.maze.start:
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line += "S "
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elif cell == self.maze.exit:
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line += "E "
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elif cell in path_set and cell.is_passable():
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line += "* "
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elif cell.is_wall:
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line += "# "
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else:
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line += ". "
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print(line)
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print("=" * (self.maze.width * 2 + 4))
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print("S - старт E - выход # - стена . - проход * - путь P - игрок")
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input("\nНажмите Enter для продолжения...")
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self.view.update("player_moved", {
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'maze': self.maze,
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'player': self.player
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})
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