2026-05-25 09:05:27 +00:00
|
|
|
import sys
|
|
|
|
|
import time
|
|
|
|
|
import csv
|
|
|
|
|
from collections import deque
|
|
|
|
|
from heapq import heappush, heappop
|
|
|
|
|
from abc import ABC, abstractmethod
|
|
|
|
|
from typing import List, Optional, Tuple, Dict, Any
|
|
|
|
|
import os
|
|
|
|
|
|
|
|
|
|
class Cell:
|
2026-05-25 09:07:34 +00:00
|
|
|
def __init__(self, x: int, y: int, is_wall: bool = False):
|
|
|
|
|
self.x = x
|
|
|
|
|
self.y = y
|
|
|
|
|
self.is_wall = is_wall
|
|
|
|
|
self.is_start = False
|
|
|
|
|
self.is_exit = False
|
|
|
|
|
|
|
|
|
|
def is_passable(self) -> bool:
|
|
|
|
|
return not self.is_wall
|
|
|
|
|
|
|
|
|
|
def __repr__(self):
|
|
|
|
|
return f"Cell({self.x},{self.y})"
|
2026-05-25 09:05:27 +00:00
|
|
|
|
|
|
|
|
class Maze:
|
2026-05-25 09:07:34 +00:00
|
|
|
def __init__(self, width: int, height: int):
|
|
|
|
|
self.width = width
|
|
|
|
|
self.height = height
|
|
|
|
|
self.cells: List[List[Cell]] = []
|
|
|
|
|
self.start: Optional[Cell] = None
|
|
|
|
|
self.exit: Optional[Cell] = None
|
|
|
|
|
|
|
|
|
|
def set_cell(self, x: int, y: int, cell: Cell):
|
|
|
|
|
if not self.cells:
|
|
|
|
|
self.cells = [[None] * self.width for _ in range(self.height)]
|
|
|
|
|
self.cells[y][x] = cell
|
|
|
|
|
|
|
|
|
|
def get_cell(self, x: int, y: int) -> Optional[Cell]:
|
|
|
|
|
if 0 <= x < self.width and 0 <= y < self.height:
|
|
|
|
|
return self.cells[y][x]
|
|
|
|
|
return None
|
|
|
|
|
|
|
|
|
|
def get_neighbors(self, cell: Cell) -> List[Cell]:
|
|
|
|
|
neighbors = []
|
|
|
|
|
for dx, dy in [(0, 1), (0, -1), (1, 0), (-1, 0)]:
|
|
|
|
|
nx, ny = cell.x + dx, cell.y + dy
|
|
|
|
|
neighbor = self.get_cell(nx, ny)
|
|
|
|
|
if neighbor and neighbor.is_passable():
|
|
|
|
|
neighbors.append(neighbor)
|
|
|
|
|
return neighbors
|
2026-05-25 09:05:27 +00:00
|
|
|
|
|
|
|
|
class MazeBuilder(ABC):
|
2026-05-25 09:13:49 +00:00
|
|
|
@abstractmethod
|
|
|
|
|
def build_from_file(self, filename: str) -> Maze:
|
|
|
|
|
pass
|
2026-05-25 09:05:27 +00:00
|
|
|
|
|
|
|
|
class TextFileMazeBuilder(MazeBuilder):
|
2026-05-25 09:13:49 +00:00
|
|
|
def build_from_file(self, filename: str) -> Maze:
|
|
|
|
|
with open(filename, 'r', encoding='utf-8') as f:
|
|
|
|
|
lines = [line.rstrip('\n') for line in f.readlines()]
|
|
|
|
|
|
|
|
|
|
if not lines:
|
|
|
|
|
raise ValueError("Файл пуст")
|
|
|
|
|
|
|
|
|
|
height = len(lines)
|
|
|
|
|
width = max(len(line) for line in lines)
|
|
|
|
|
maze = Maze(width, height)
|
|
|
|
|
|
|
|
|
|
start_cell = None
|
|
|
|
|
exit_cell = None
|
|
|
|
|
|
|
|
|
|
for y, line in enumerate(lines):
|
|
|
|
|
for x, ch in enumerate(line):
|
|
|
|
|
is_wall = (ch == '#')
|
|
|
|
|
cell = Cell(x, y, is_wall)
|
|
|
|
|
if ch == 'S':
|
|
|
|
|
cell.is_start = True
|
|
|
|
|
start_cell = cell
|
|
|
|
|
elif ch == 'E':
|
|
|
|
|
cell.is_exit = True
|
|
|
|
|
exit_cell = cell
|
|
|
|
|
maze.set_cell(x, y, cell)
|
|
|
|
|
|
|
|
|
|
if start_cell is None or exit_cell is None:
|
|
|
|
|
for y in range(height):
|
|
|
|
|
for x in range(width):
|
|
|
|
|
cell = maze.get_cell(x, y)
|
|
|
|
|
if cell and cell.is_start:
|
|
|
|
|
start_cell = cell
|
|
|
|
|
if cell and cell.is_exit:
|
|
|
|
|
exit_cell = cell
|
|
|
|
|
|
|
|
|
|
if start_cell is None:
|
|
|
|
|
raise ValueError("Нет стартовой клетки (S)")
|
|
|
|
|
if exit_cell is None:
|
|
|
|
|
raise ValueError("Нет выходной клетки (E)")
|
|
|
|
|
|
|
|
|
|
maze.start = start_cell
|
|
|
|
|
maze.exit = exit_cell
|
|
|
|
|
return maze
|
2026-05-25 09:05:27 +00:00
|
|
|
|
|
|
|
|
class PathFindingStrategy(ABC):
|
|
|
|
|
|
|
|
|
|
class BFSStrategy(PathFindingStrategy):
|
|
|
|
|
|
|
|
|
|
class DFSStrategy(PathFindingStrategy):
|
|
|
|
|
|
|
|
|
|
class AStarStrategy(PathFindingStrategy):
|
|
|
|
|
|
|
|
|
|
class SearchStats:
|
|
|
|
|
|
|
|
|
|
class MazeSolver:
|
|
|
|
|
|
|
|
|
|
class Observer(ABC):
|
|
|
|
|
|
|
|
|
|
class ConsoleView(Observer):
|
|
|
|
|
|
|
|
|
|
class MoveCommand(ABC):
|
|
|
|
|
|
|
|
|
|
class Player:
|
|
|
|
|
|
|
|
|
|
class MoveCommandImpl(MoveCommand):
|