66 lines
1.3 KiB
Python
66 lines
1.3 KiB
Python
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from abc import ABC, abstractmethod
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from cell import Cell
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from maze import Maze
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class MazeBuilder(ABC):
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@abstractmethod
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def build_from_file(self, filename):
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pass
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class TextFileMazeBuilder(MazeBuilder):
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def build_from_file(self, filename):
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with open(filename, "r", encoding="utf-8") as file:
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lines = [line.rstrip("\n") for line in file]
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height = len(lines)
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width = len(lines[0])
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cells = []
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start = None
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exit_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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symbol = lines[y][x]
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cell = Cell(x, y)
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if symbol == "#":
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cell.is_wall = True
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elif symbol == "S":
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cell.is_start = True
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start = cell
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elif symbol == "E":
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cell.is_exit = True
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exit_cell = cell
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row.append(cell)
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cells.append(row)
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if start is None:
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raise ValueError("Start cell S not found")
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if exit_cell is None:
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raise ValueError("Exit cell E not found")
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return Maze(
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cells,
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width,
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height,
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start,
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exit_cell
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)
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