Stratadox\PuzzleSolver\Puzzle\Maze\MazeFactory::fromString()

Complexity

Conditions	6
Paths	10

Size

Total Lines	21
Code Lines	14

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php declare(strict_types=1);
    public function fromString(string $maze): Puzzle
    {
        $walls = [];
        $goal = null;
        $hero = null;
        foreach (preg_split("/(\n)|(\r)/", $maze) as $y => $line) {
            foreach (str_split($line) as $x => $char) {
                if ($char === $this->wall) {
                    $walls[] = new Wall($x, $y);
                }
                if ($char === $this->goal) {
                    $goal = new Goal($x, $y);
                }
                if ($char === $this->hero) {
                    $hero = new Hero($x, $y);
                }
            }
        }
        assert(null !== $goal);
        assert(null !== $hero);
        return MazePuzzle::withHeroAndMaze($hero, Maze::withGoalAndWalls($goal, ...$walls));
    }