Elevator Saga

elevator_saga.js

{
    init: function(elevators, floors) {
        _.each(elevators, function(elevator) {
            elevator.on("idle", function() {
                elevator.goToFloor(0);
            });
        
            elevator.on("floor_button_pressed", function(floorNum) {
                elevator.goToFloor(floorNum);
            })
        
            elevator.on("passing_floor", function(floorNum, direction) {                
                if (elevator.getPressedFloors().includes(floorNum)) {
                    elevator.destinationQueue = elevator.destinationQueue.filter((f) => f !== floorNum);
                    elevator.goToFloor(floorNum, true);
                }
            })
        })
        
        _.each(floors, function(floor) {
            floor.on("up_button_pressed down_button_pressed", function() {
                in_queue = false;
                
                if (elevators.some((e) => e.destinationQueue.includes(floor.floorNum()))) {
                    return;
                }
                
                this_elevator = elevators[0];
                
                function e_weight(e, requested_floor_num, floors_num) {
                    direction_weight = 0;
                    if (e.destinationDirection() == "up") {
                        if (requested_floor_num - e.currentFloor() > 0) {
                            direction_weight = (requested_floor_num - e.currentFloor()) / floors_num;
                        } else {
                            direction_weight = ((floors_num - e.currentFloor()) + (floors_num - requested_floor_num)) / floors_num;
                        }
                    } else {
                        if (e.currentFloor() - requested_floor_num > 0) {
                            direction_weight = (e.currentFloor() - requested_floor_num) / floors_num;
                        } else {
                            direction_weight = (e.currentFloor() + requested_floor_num) / floors_num;
                        }
                    }
                    
                    //e.currentFloor() - requested_floor_num

                    return(e.destinationQueue.length * e.loadFactor() * direction_weight);
                }
                
                _.each(elevators, function(elevator) {

                    
                    if(e_weight(elevator, floor.floorNum(), floors.length) < e_weight(elevator, floor.floorNum(), floors.length)) {
                        this_elevator = elevator;
                    }
                })
                
                this_elevator.goToFloor(floor.floorNum());
            })
        })
    },
    update: function(dt, elevators, floors) {
        // We normally don't need to do anything here
    }
}