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Aug 25th, 2019
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  1. /*
  2. * robotNav.js
  3. *
  4. * The green key is located in a slightly more
  5. * complicated room. You'll need to get the robot
  6. * past these obstacles.
  7. */
  8.  
  9. function startLevel(map) {
  10. // Hint: you can press R or 5 to "rest" and not move the
  11. // player, while the robot moves around.
  12.  
  13. map.placePlayer(0, map.getHeight() - 1);
  14. var player = map.getPlayer();
  15.  
  16. map.defineObject('robot', {
  17. 'type': 'dynamic',
  18. 'symbol': 'R',
  19. 'color': 'gray',
  20. 'onCollision': function (player, me) {
  21. me.giveItemTo(player, 'greenKey');
  22. },
  23. 'behavior': function (me) {
  24. const loc = { "X": me.getX(), "Y": me.getY() }
  25. let deadEnd = (
  26. ( (map.getObjectTypeAt(loc['X'] + 1, loc['Y']) != 'empty')
  27. && (map.getObjectTypeAt(loc['X'], loc['Y'] - 1) != 'empty') ) ||
  28. ( (map.getObjectTypeAt(loc['X'] + 1, loc['Y']) != 'empty')
  29. && (map.getObjectTypeAt(loc['X'], loc['Y'] + 1) != 'empty') )
  30. )
  31. let nearDeadEndUp = (
  32. ( (map.getObjectTypeAt(loc['X'] + 2, loc['Y']) != 'empty')
  33. && (map.getObjectTypeAt(loc['X'] + 1, loc['Y'] + 1) != 'empty') ) ||
  34. ( (! me.canMove('right')) && (map.getObjectTypeAt(loc['X']
  35. + 2, loc['Y'] - 1) != 'empty') )
  36. )
  37. let nearDeadEndDown = (
  38. ( (map.getObjectTypeAt(loc['X'] + 2, loc['Y']) != 'empty')
  39. && (map.getObjectTypeAt(loc['X'] + 1, loc['Y'] - 1) != 'empty') ) ||
  40. ( (! me.canMove('right')) && (map.getObjectTypeAt(loc['X']
  41. + 2, loc['Y'] + 1) != 'empty') )
  42. )
  43.  
  44. let setDirection = function() {
  45. if ( nearDeadEndUp && me.canMove('down') ) {
  46. return 'down'
  47. } else if ( nearDeadEndDown && me.canMove('up') ) {
  48. return 'up'
  49. } else if ( deadEnd ) {
  50. return 'left'
  51. } else {
  52. return 'right'
  53. }
  54. }
  55.  
  56. me.move(setDirection())
  57.  
  58. }
  59. });
  60.  
  61. map.defineObject('barrier', {
  62. 'symbol': '░',
  63. 'color': 'purple',
  64. 'impassable': true,
  65. 'passableFor': ['robot']
  66. });
  67.  
  68. map.placeObject(map.getWidth() - 1, map.getHeight() - 1, 'exit');
  69. map.placeObject(1, 1, 'robot');
  70. map.placeObject(map.getWidth() - 2, 8, 'greenKey');
  71. map.placeObject(map.getWidth() - 2, 9, 'barrier');
  72.  
  73. for (var x = 0; x < map.getWidth(); x++) {
  74. map.placeObject(x, 0, 'block');
  75. if (x != map.getWidth() - 2) {
  76. map.placeObject(x, 9, 'block');
  77. }
  78. }
  79.  
  80. for (var y = 1; y < 9; y++) {
  81. map.placeObject(0, y, 'block');
  82. map.placeObject(map.getWidth() - 1, y, 'block');
  83. }
  84.  
  85. for (var i = 0; i < 4; i++) {
  86. map.placeObject(20 - i, i + 1, 'block');
  87. map.placeObject(35 - i, 8 - i, 'block');
  88. }
  89. }
  90.  
  91. function validateLevel(map) {
  92. map.validateExactlyXManyObjects(1, 'exit');
  93. map.validateExactlyXManyObjects(1, 'robot');
  94. map.validateAtMostXObjects(1, 'greenKey');
  95. }
  96.  
  97. function onExit(map) {
  98. if (!map.getPlayer().hasItem('greenKey')) {
  99. map.writeStatus("We need to get that key!");
  100. return false;
  101. } else {
  102. return true;
  103. }
  104. }
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