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  1. /*
  2.  * robotMaze.js
  3.  *
  4.  * The blue key is inside a labyrinth, and extracting
  5.  * it will not be easy.
  6.  *
  7.  * It's a good thing that you're a AI expert, or
  8.  * we would have to leave empty-handed.
  9.  */
  10.  
  11. function startLevel(map) {
  12.     // Hint: you can press R or 5 to "rest" and not move the
  13.     // player, while the robot moves around.
  14.  
  15.     map.getRandomInt = function(min, max) {
  16.         return Math.floor(Math.random() * (max - min + 1)) + min;
  17.     }
  18.  
  19.     map.placePlayer(map.getWidth()-1, map.getHeight()-1);
  20.     var player = map.getPlayer();
  21.  
  22.     map.defineObject('robot', {
  23.         'type': 'dynamic',
  24.         'symbol': 'R',
  25.         'color': 'gray',
  26.         'onCollision': function (player, me) {
  27.             me.giveItemTo(player, 'blueKey');
  28.         },
  29.         'behavior': function (me) {
  30.             if (player.getX() == map.getWidth() - 1) {
  31.                 if (player.getY() == map.getHeight() - 1) { me.move('down'); }
  32.                 if (player.getY() == map.getHeight() - 2) { me.move('right'); }
  33.             }
  34.             if (player.getX() == map.getWidth() - 2) {
  35.                 if (player.getY() == map.getHeight() - 1) { me.move('left'); }
  36.                 if (player.getY() == map.getHeight() - 2) { me.move('up'); }
  37.             }
  38.  
  39. /*
  40.             // move randomly
  41.             var moves = map.getAdjacentEmptyCells(me.getX(), me.getY());
  42.             // getAdjacentEmptyCells gives array of ((x, y), direction) pairs
  43.             me.move(moves[map.getRandomInt(0, moves.length - 1)][1]);
  44. */
  45.  
  46.         }
  47.     });
  48.  
  49.     map.defineObject('barrier', {
  50.         'symbol': '░',
  51.         'color': 'purple',
  52.         'impassable': true,
  53.         'passableFor': ['robot']
  54.     });
  55.  
  56.     map.placeObject(0, map.getHeight() - 1, 'exit');
  57.     map.placeObject(1, 1, 'robot');
  58.     map.placeObject(map.getWidth() - 2, 8, 'blueKey');
  59.     map.placeObject(map.getWidth() - 2, 9, 'barrier');
  60.  
  61.     var autoGeneratedMaze = new ROT.Map.DividedMaze(map.getWidth(), 10);
  62.     autoGeneratedMaze.create( function (x, y, mapValue) {
  63.         // don't write maze over robot or barrier
  64.         if ((x == 1 && y == 1) || (x == map.getWidth() - 2 && y >= 8)) {
  65.             return 0;
  66.         } else if (mapValue === 1) { //0 is empty space 1 is wall
  67.             map.placeObject(x,y, 'block');
  68.         } else {
  69.             map.placeObject(x,y,'empty');
  70.         }
  71.     });
  72. }
  73.  
  74. function validateLevel(map) {
  75.     map.validateExactlyXManyObjects(1, 'exit');
  76.     map.validateExactlyXManyObjects(1, 'robot');
  77.     map.validateAtMostXObjects(1, 'blueKey');
  78. }
  79.  
  80. function onExit(map) {
  81.     if (!map.getPlayer().hasItem('blueKey')) {
  82.         map.writeStatus("We need to get that key!");
  83.         return false;
  84.     } else {
  85.         return true;
  86.     }
  87. }
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