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- /*
- * robotNav.js
- *
- * The green key is located in a slightly more
- * complicated room. You'll need to get the robot
- * past these obstacles.
- */
- function startLevel(map) {
- // Hint: you can press R or 5 to "rest" and not move the
- // player, while the robot moves around.
- map.placePlayer(0, map.getHeight() - 1);
- var player = map.getPlayer();
- map.defineObject('robot', {
- 'type': 'dynamic',
- 'symbol': 'R',
- 'color': 'gray',
- 'onCollision': function (player, me) {
- me.giveItemTo(player, 'greenKey');
- },
- 'behavior': function (me) {
- var moves = map.getAdjacentEmptyCells(me.getX(), me.getY());
- var x_goal = map.getWidth() - 2; var y_goal = 7;
- if (me.getX() == x_goal) {
- me.move('down');
- } else {
- var queue = [];
- for (var i=0; i<moves.length; i++) { queue.push([moves[i]]); }
- var visited = {};
- visited[[me.getX(), me.getY()]] = true;
- while (queue.length > 0) {
- var path = queue.shift();
- var move = path[path.length - 1]
- var x = move[0][0]; var y = move[0][1];
- if (x == x_goal && y == y_goal) {
- me.move(path[0][1]); break;
- }
- if (!visited[[x, y]]) {
- visited[[x, y]] = true;
- new_moves = map.getAdjacentEmptyCells(x, y)
- for (var i=0; i<new_moves.length; i++) {
- queue.push(path.concat([new_moves[i]]));
- }
- }
- }
- }
- }
- });
- map.defineObject('barrier', {
- 'symbol': '░',
- 'color': 'purple',
- 'impassable': true,
- 'passableFor': ['robot']
- });
- map.placeObject(map.getWidth() - 1, map.getHeight() - 1, 'exit');
- map.placeObject(1, 1, 'robot');
- map.placeObject(map.getWidth() - 2, 8, 'greenKey');
- map.placeObject(map.getWidth() - 2, 9, 'barrier');
- for (var x = 0; x < map.getWidth(); x++) {
- map.placeObject(x, 0, 'block');
- if (x != map.getWidth() - 2) {
- map.placeObject(x, 9, 'block');
- }
- }
- for (var y = 1; y < 9; y++) {
- map.placeObject(0, y, 'block');
- map.placeObject(map.getWidth() - 1, y, 'block');
- }
- for (var i = 0; i < 4; i++) {
- map.placeObject(20 - i, i + 1, 'block');
- map.placeObject(35 - i, 8 - i, 'block');
- }
- }
- function validateLevel(map) {
- map.validateExactlyXManyObjects(1, 'exit');
- map.validateExactlyXManyObjects(1, 'robot');
- map.validateAtMostXObjects(1, 'greenKey');
- }
- function onExit(map) {
- if (!map.getPlayer().hasItem('greenKey')) {
- map.writeStatus("We need to get that key!");
- return false;
- } else {
- return true;
- }
- }
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