elevator.js

{
    init: function(elevators, floors) {
        var floorRequests = {
            up: [],
            down: []
        };
        
        elevators.map(function(elevator, i){
            var destinations = [];
            function nextDestination() {                
                destinations.sort();
                nextDest = destinations.shift();
                log('next destination', nextDest);
                return nextDest;
            }
            function nextRequest() {                
                if (floorRequests.down.length > floorRequests.up.length) {
                    //more people want to go down, so go to the max of the downs. 
                } else {
                    //more people want to go up
                }
            }
            function log(message) {
                console.log(arguments);
            }
            elevator.on("idle", function() {
                log("elevator is idle");
                if (destinations.length > 0) {
                    elevator.goToFloor(nextDestination());
                    return;
                }
                elevator.goToFloor(0);
            });
            elevator.on("floor_button_pressed", function(floorNum) {
                log("floor button pressed", floorNum);
                destinations.unshift(floorNum);
            });
            elevator.on("passing_floor", function(floorNum, direction) {
                log("passing floor", floorNum, direction);
                // if we have a dropoff or someone that needs picked up going our way, stop
                if (destinations[floorNum] || floorRequests[direction][floorNum]) {
                    elevator.goToFloor(floorNum, true);
                }
            });
            elevator.on("stopped_at_floor", function(floorNum) {
                log("stopped at floor", floorNum);                
            });
        });
        floors.map(function(floor, i) {
            floor.on("up_button_pressed", function() {
                floorRequests.up[i] = true;
            });
            floor.on("down_button_pressed", function() {
                floorRequests.down[i] = true;
            });
        });
    },
    update: function(dt, elevators, floors) {
        // We normally don't need to do anything here
    }
}