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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.             // move randomly
  31.             var moves = map.getAdjacentEmptyCells(me.getX(), me.getY());
  32.             // getAdjacentEmptyCells gives array of ((x, y), direction) pairs
  33.                    
  34.             if(me.canMove('down'))return me.move('down')    
  35.             if(me.canMove('right'))return me.move('right')            
  36.             me.move('up')
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  73.         }
  74.     });
  75.  
  76.     map.defineObject('barrier', {
  77.         'symbol': '░',
  78.         'color': 'purple',
  79.         'impassable': true,
  80.         'passableFor': ['robot']
  81.     });
  82.  
  83.     map.placeObject(0, map.getHeight() - 1, 'exit');
  84.     map.placeObject(1, 1, 'robot');
  85.     map.placeObject(map.getWidth() - 2, 8, 'blueKey');
  86.     map.placeObject(map.getWidth() - 2, 9, 'barrier');
  87.  
  88.     var autoGeneratedMaze = new ROT.Map.DividedMaze(map.getWidth(), 10);
  89.     autoGeneratedMaze.create( function (x, y, mapValue) {
  90.         // don't write maze over robot or barrier
  91.         if ((x == 1 && y == 1) || (x == map.getWidth() - 2 && y >= 8)) {
  92.             return 0;
  93.         } else if (mapValue === 1) { //0 is empty space 1 is wall
  94.             map.placeObject(x,y, 'block');
  95.         } else {
  96.             map.placeObject(x,y,'empty');
  97.         }
  98.     });
  99. }
  100.  
  101. function validateLevel(map) {
  102.     map.validateExactlyXManyObjects(1, 'exit');
  103.     map.validateExactlyXManyObjects(1, 'robot');
  104.     map.validateAtMostXObjects(1, 'blueKey');
  105. }
  106.  
  107. function onExit(map) {
  108.     if (!map.getPlayer().hasItem('blueKey')) {
  109.         map.writeStatus("We need to get that key!");
  110.         return false;
  111.     } else {
  112.         return true;
  113.     }
  114. }
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