elevators.js

{
    init: function (elevators, floors) {
        function findLeastBusyElevator() {
            var e = elevators[0];
            elevators.forEach(function (el) {
                if (el.destinationQueue.length < e.destinationQueue.length)
                    e = el;
            });
            return e;
        }
        function findClosestLeastBusyElevator(floorNum) { //only needed on a few levels
            var e = elevators[0];
            
            var closest = elevators.slice(0).sort(function (a, b) {
                return Math.abs(a.currentFloor() - floorNum) - Math.abs(b.currentFloor() - floorNum);
            });
            console.log(floorNum, closest[0].currentFloor());
            var closestOne = closest[0].currentFloor();
            closest = closest.filter(function(c){return c.currentFloor == closestOne;});
            
            closest.forEach(function (el) {
                if (el.destinationQueue.length < e.destinationQueue.length)
                    e = el;
            });
            return e;
        }

        for (var i = 0; i < elevators.length; i++) {
            elevators[i].elevatorNum = i;
        }
        elevators.forEach(function (elevator) {

            elevator.on("passing_floor", function (floorNum, direction) {
                if (this.destinationQueue.indexOf(floorNum) >= 0) {
                    this.destinationQueue = this.destinationQueue.filter(function (f) {
                        return f != floorNum;
                    });
                    this.checkDestinationQueue();
                    this.goToFloor(floorNum, true);
                }
            });
            elevator.on("floor_button_pressed", function (floorNum) {
                if (this.destinationQueue.indexOf(floorNum) < 0)
                    this.goToFloor(floorNum);
            });
            elevator.on("idle", function() {
                console.log("Idle.....");
                this.goToFloor(0);
            });
        });
        floors.forEach(function (floor) {
            floor.on("up_button_pressed", function () {
                var already = elevators.filter(function (e) {
                    return e.destinationQueue.indexOf(floor.floorNum()) >= 0
                });
                if (already.length > 0)
                    return;
                var elevator = findLeastBusyElevator(this.floorNum()); //change to closest least busy for some
                if (elevator.destinationQueue.indexOf(this.floorNum()) < 0)
                    elevator.goToFloor(this.floorNum());
            });
            floor.on("down_button_pressed", function () {
                var already = elevators.filter(function (e) {
                    return e.destinationQueue.indexOf(floor.floorNum()) >= 0
                });
                if (already.length > 0)
                    return;
                var elevator = findLeastBusyElevator(this.floorNum()); //change to closest least busy for some
                if (elevator.destinationQueue.indexOf(this.floorNum()) < 0)
                    elevator.goToFloor(this.floorNum());
            });
        });
    },
    update: function (dt, elevators, floors) {
    }
}