Files
amazing/src/amaz_lib/MazeGenerator.py
T
2026-03-19 14:59:18 +01:00

103 lines
3.1 KiB
Python

from abc import ABC, abstractmethod
from typing import Generator
import numpy as np
from .classes.Cell import Cell
import math
class MazeGenerator(ABC):
@abstractmethod
@classmethod
def generator(
cls, height: int, width: int
) -> Generator[np.ndarray, None, np.ndarray]: ...
class Kruskal(MazeGenerator):
@staticmethod
def walls_to_maze(
walls: list[tuple[int, int]], height: int, width: int
) -> np.ndarray:
maze: np.ndarray = np.array(
[[Cell(value=0) for _ in range(width)] for _ in range(height)]
)
for wall in walls:
x, y = wall
match y - x:
case 1:
maze[math.trunc((x / width))][x % width].set_est(True)
maze[math.trunc((y / width))][y % width].set_west(True)
case width:
maze[math.trunc((x / width))][x % width].set_south(True)
maze[math.trunc((y / width))][y % width].set_north(True)
for x in range(height):
for y in range(width):
if x == 0:
maze[x][y].set_north(True)
if x == height - 1:
maze[x][y].set_south(True)
if y == 0:
maze[x][y].set_est(True)
if y == width - 1:
maze[x][y].set_west(True)
return maze
@staticmethod
def is_in_same_set(sets: list[list[int]], wall: tuple[int, int]) -> bool:
a, b = wall
for set in sets:
if a in set and b in set:
return True
if a in set or b in set:
return False
return False
@staticmethod
def merge_sets(sets: list[list[int]], wall: tuple[int, int]) -> None:
a, b = wall
base_set = None
for set in sets:
if base_set is None and (a in set or b in set):
base_set = set
elif base_set and (a in set or b in set):
base_set += set
sets.remove(set)
@classmethod
def generator(
cls, height: int, width: int
) -> Generator[np.ndarray, None, np.ndarray]:
sets = [[i] for i in range(height * width)]
walls = []
for h in range(height):
for w in range(width - 1):
walls += [(w + (width * h), w + (width * h) + 1)]
for w in range(width):
for h in range(height - 1):
walls += [(w + (width * h), w + (width * h) + width)]
np.random.shuffle(walls)
yield cls.walls_to_maze(walls, height, width)
for wall in walls:
if not cls.is_in_same_set(sets, wall):
cls.merge_sets(sets, wall)
walls.remove(wall)
yield cls.walls_to_maze(walls, height, width)
return cls.walls_to_maze(walls, height, width)
def main():
try:
for alg in MazeGenerator.Kruskal.kruskal(10, 10):
maze = alg
# print(maze)
# print()
print(maze)
except GeneratorExit as maze:
print(maze)
if __name__ == "__main__":
main()