103 lines
3.0 KiB
Python
103 lines
3.0 KiB
Python
from typing import List, Optional
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class Cell:
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def __init__(self, x: int, y: int):
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self.x = x
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self.y = y
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self.is_wall = False
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self.is_start = False
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self.is_exit = False
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def is_passable(self) -> bool:
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return not self.is_wall
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def __repr__(self) -> str:
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if self.is_start:
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return "S"
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elif self.is_exit:
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return "E"
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elif self.is_wall:
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return "#"
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else:
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return "."
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def __eq__(self, other) -> bool:
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if not isinstance(other, Cell):
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return False
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return self.x == other.x and self.y == other.y
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def __hash__(self) -> int:
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return hash((self.x, self.y))
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def __lt__(self, other):
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return (self.x, self.y) < (other.x, other.y)
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class Maze:
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def __init__(self, width: int, height: int):
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self.width = width
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self.height = height
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self._cells: List[List[Cell]] = []
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self.start_cell: Optional[Cell] = None
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self.exit_cell: Optional[Cell] = None
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for y in range(height):
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row = []
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for x in range(width):
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row.append(Cell(x, y))
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self._cells.append(row)
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def get_cell(self, x: int, y: int) -> Optional[Cell]:
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if 0 <= x < self.width and 0 <= y < self.height:
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return self._cells[y][x]
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return None
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def get_neighbors(self, cell: Cell) -> List[Cell]:
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neighbors = []
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directions = [(0, -1), (0, 1), (-1, 0), (1, 0)]
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for dx, dy in directions:
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nx, ny = cell.x + dx, cell.y + dy
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neighbor = self.get_cell(nx, ny)
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if neighbor and neighbor.is_passable():
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neighbors.append(neighbor)
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return neighbors
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def set_wall(self, x: int, y: int, is_wall: bool = True) -> None:
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cell = self.get_cell(x, y)
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if cell:
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cell.is_wall = is_wall
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def set_start(self, x: int, y: int) -> None:
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cell = self.get_cell(x, y)
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if cell:
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if self.start_cell:
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self.start_cell.is_start = False
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cell.is_start = True
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self.start_cell = cell
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def set_exit(self, x: int, y: int) -> None:
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cell = self.get_cell(x, y)
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if cell:
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if self.exit_cell:
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self.exit_cell.is_exit = False
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cell.is_exit = True
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self.exit_cell = cell
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def display(self) -> None:
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print("+" + "-" * self.width + "+")
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for y in range(self.height):
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row_str = "|"
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for x in range(self.width):
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cell = self._cells[y][x]
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if cell.is_start:
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row_str += "S"
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elif cell.is_exit:
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row_str += "E"
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elif cell.is_wall:
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row_str += "#"
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else:
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row_str += " "
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row_str += "|"
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print(row_str)
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print("+" + "-" * self.width + "+") |