elevator-saga.js

{
    init: function(elevators, floors) {

        floors.forEach(function(floor) {
            floor.on('up_button_pressed', floorButtonPressed);
            floor.on('down_button_pressed', floorButtonPressed); 
        });
        
        // Starts a list of waiting on floors
        var waitingOn = [];
        function floorButtonPressed() {
            var floor = this;
            waitingOn.push(floor.floorNum());
        }

        elevators.forEach(function(elevator) {
            elevator.on("idle", elevatorOnIdle)
            elevator.on("floor_button_pressed", elevatorOnFloorButtonPressed);
            elevator.on("passing_floor", elevatorOnPassingFloor);
        });
        
        function elevatorOnPassingFloor (floorNum, direction) {
            var elevator = this;
            // var destDirection = elevator.destinationDirection();
            if(elevator.getPressedFloors().indexOf(floorNum) > 1) {
                elevator.stop();
            }
        }

        function elevatorOnFloorButtonPressed(floorNum) {
            console.log('button pressend to', floorNum);
            var elevator = this;
            elevator.goToFloor(floorNum);
        }

        function elevatorOnIdle() {
            var elevator = this;

            if(pressed.length > 0) {
                pressed.forEach(function(floor) {
                    elevator.goToFloor(floor.floorNum());
                });
            } else if (waitingOn.length) {
                console.log('Go on to the list of wait', waitingOn);
                var n = waitingOn.shift();
                elevator.goToFloor(n);
            } else {
                elevator.goToFloor(0);
            }
        }
    },
    update: function(dt, elevators, floors) {
        // We normally don't need to do anything here
    }
}