Created
January 14, 2019 12:48
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Solution to level 17 in Untrusted: http://alex.nisnevich.com/untrusted/
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/*************** | |
* pointers.js * | |
*************** | |
* | |
* You! How are you still alive? | |
* | |
* Well, no matter. Good luck getting through this | |
* maze of rooms - you'll never see me or the Algorithm again! | |
*/ | |
function startLevel(map) { | |
function shuffle(o){ //v1.0 [http://bit.ly/1l6LGQT] | |
for(var j, x, i = o.length; i; j = Math.floor(Math.random() * i), | |
x = o[--i], o[i] = o[j], o[j] = x); | |
return o; | |
}; | |
map.createFromGrid( | |
['+++++++++++++++++++++++++++++++++++++++++++++', | |
'++o *++++o *++++o *++++o *++++o *++++o *+++++', | |
'+* @ o++* o++* o++* o++* o++* o++++', | |
'++o *++++o *++++o *++++o *++++o *++++o *+++++', | |
'+++++++++++++++++++++++++++++++++++++++++++++', | |
'+++++* o++++* o++++* o++++* o++++* o++++* o++', | |
'++++o *++o *++o *++o *++o *++o *+', | |
'+++++* o++++* o++++* o++++* o++++* o++++* o++', | |
'+++++++++++++++++++++++++++++++++++++++++++++', | |
'++o *++++o *++++o *++++o *++++o *++++o *+++++', | |
'+* o++* o++* o++* o++* o++* o++++', | |
'++o *++++o *++++o *++++o *++++o *++++o *+++++', | |
'+++++++++++++++++++++++++++++++++++++++++++++', | |
'+++++* o++++* o++++* o++++* o++++* o++++* o++', | |
'++++o *++o *++o *++o *++o *++o *+', | |
'+++++* o++++* o++++* o++++* o++++* o++++* o++', | |
'+++++++++++++++++++++++++++++++++++++++++++++', | |
'++o *++++o *++++o *++++o *++++o *++++o *+++++', | |
'+* o++* o++* o++* o++* o++* E o++++', | |
'++o *++++o *++++o *++++o *++++o *++++o *+++++', | |
'+++++++++++++++++++++++++++++++++++++++++++++'], | |
{ | |
'@': 'player', | |
'E': 'exit', | |
'+': 'block', | |
'o': 'teleporter', | |
'*': 'trap', | |
}, 2, 2); | |
var canvas = map.getCanvasContext(); | |
var teleportersAndTraps = map.getDynamicObjects(); | |
teleportersAndTraps = shuffle(teleportersAndTraps); | |
for (i = 0; i < teleportersAndTraps.length; i+=2) { | |
var t1 = teleportersAndTraps[i]; | |
var t2 = teleportersAndTraps[i+1]; | |
// Point each teleporter to either another teleporter | |
// or a trap | |
if (t1.getType() == 'teleporter') { | |
t1.setTarget(t2); | |
} | |
if (t2.getType() == 'teleporter') { | |
t2.setTarget(t1); | |
} | |
// TODO find a way to remove the API docs | |
// wouldn't want the 'good doctor' to find | |
// out about map.getCanvasCoords()... | |
function linkToNextTeleporter (t,k) { | |
k = k | 0; | |
if (t.getType() != 'teleporter') return k; | |
var coords = map.getCanvasCoords(t); | |
for (var j = k; j < teleportersAndTraps.length; j++) { | |
var nextT = teleportersAndTraps[j]; | |
console.log(nextT); | |
if (nextT.getType() == 'teleporter') { | |
var coordsNext = map.getCanvasCoords(nextT); | |
if (coordsNext.y > coords.y && coordsNext.x > coords.x) { | |
t.setTarget(nextT); | |
return k; | |
} | |
} | |
} | |
} | |
var lastTel = linkToNextTeleporter(t1, lastTel); | |
var lastTel = linkToNextTeleporter(t2, lastTel); | |
} | |
} | |
function validateLevel(map) { | |
map.validateExactlyXManyObjects(1, 'exit'); | |
} | |
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