maze.jsh

///usr/bin/env jbang "$0" "$@" ; exit $?
//JAVA 17+

import static java.lang.System.*;

// clears the screen using ANSI escape codes
static void clear_output() {
    out.print("\033[H\033[2J");
    out.flush();
}

var maze = new char[][] {
    "######################".toCharArray(),
    "#### ###   #   # ### #".toCharArray(),
    "# #   ## # # #     #  ".toCharArray(),
    "# # #    #   ##### # #".toCharArray(),
    "# # # ########   # # #".toCharArray(),
    "# # #      #   # # # #".toCharArray(),
    "#   # ## #   #   #   #".toCharArray(),
    "######################".toCharArray()
};

var x = 2;
var y = 1;

while(true) {
    println("###" + (""+maze[x-1][y]).repeat(3) + "###");
    println("###" + (""+maze[x-1][y]).repeat(3) + "###");
    println((""+maze[x][y-1]).repeat(3) + " o " + (""+maze[x][y+1]).repeat(3));
    println("###" + (""+maze[x+1][y]).repeat(3) + "###");
    println("###" + (""+maze[x+1][y]).repeat(3) + "###");
    
    var move = console().readLine("w: up, s: down, a: left, d:right (h: map) - ");
    clear_output();
    
    switch(move) {
        case "w":  // up
            if (maze[x - 1][y] == '#') {
                println("Illegal move");
            } else {
                x -= 1;
            }
            break;
        case "s":  // down
            if (maze[x + 1][y] == '#') {
                println("Illegal move");
            } else {
                x += 1;
            }
            break;
        case "a":  // left
            if (maze[x][y - 1] == '#') {
                println("Illegal move");
            } else {
                y -= 1;
            }
            break;
        case "d":  // right
            if (maze[x][y + 1] == '#') {
                println("Illegal move");
            } else {
                y += 1;
            }
            break;
        case "h":  // show map
            maze[x][y] = 'o';
            for (var row : maze) {
                println(new String(row));
            }
            maze[x][y] = ' ';
            console().readLine("Press enter to continue");
            clear_output();
            break;
        case "q":  // quit
            break;
        default:
            println("Unknown move");
    }
    
        
    if(y == maze[0].length - 1) {
        println("You finished");
        break;    
    }
}