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elevatorsaga two queues
{
init: function(elevators, floors) {
_.each(elevators, function(elevator) {
elevator.goToFloor(0);
});
var upQueue = [];
var downQueue = [];
var globalWaitingQueue = [];
function moveClosestElevator(elevators, level) {
var availableElevators = _.filter(elevators, function(el) {
return el.loadFactor() < 0.7;
});
availableElevators = _.shuffle(availableElevators);
var byDistance = _.sortBy(availableElevators, function(elevator) {
return elevator.level - level;
});
var found;
if(availableElevators.length <= 2){
found = _.find(byDistance, function(elevator) {
return Math.abs(elevator.level - level) <= 3;
});
} else {
found = byDistance[0];
}
if (found) {
found.goToFloor(level);
globalWaitingQueue = _.reject(globalWaitingQueue, function (lvl) {return lvl == level});
return true;
}
return false;
}
function runQueues() {
upQueue = _.uniq(upQueue);
downQueue = _.uniq(downQueue);
if (upQueue.length == 0 && downQueue.length == 0) {
return;
}
}
function workQueue() {
globalWaitingQueue = _.uniq(globalWaitingQueue);
console.log(globalWaitingQueue);
if (globalWaitingQueue.length > 0) {
var level = globalWaitingQueue[0];
var emptyElevators = _.filter(elevators, function (elevator) {return elevator.loadFactor() == 0});
if (emptyElevators.length > 0) {
// TODO get closest
return moveClosestElevator(emptyElevators, level);
} else {
//nothing to to here. queue
return false;
}
}
}
_.each(elevators, function(elevator) {
elevator.on("idle", function() {
if (Math.random() > 0.8) {
elevator.goToFloor(floors.length - 1);
} else {
elevator.goToFloor(0);
}
});
elevator.on("floor_button_pressed", function(floorNum) {
elevator.goToFloor(floorNum);
_.uniq(elevator.destinationQueue);
elevator.destinationQueue.sort();
elevator.checkDestinationQueue();
});
elevator.on("stopped_at_floor", function(floorNum) {
if (floorNum == 0) {
elevator.goingUpIndicator(true);
elevator.goingDownIndicator(true);
}
});
elevator.on("passing_floor", function(floorNum, direction) {
if (direction == "up") {
var above = _.filter(upQueue, function(level){
return elevator.currentFloor() < level;
});
var target = above[0];
if (target){
elevator.goToFloor(target, true);
upQueue = _.reject(upQueue, function(lvl){return lvl == target});
}
}
});
});
_.each(floors, function(floor){
floor.on('up_button_pressed', function(){
upQueue.push(floor.level);
runQueues();
});
floor.on('down_button_pressed', function(){
downQueue.push(floor.level);
runQueues();
});
});
},
update: function(dt, elevators, floors) {
// We normally don't need to do anything here
}
}
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