Elevator saga WIP http://play.elevatorsaga.com/

elevator-saga.js

{
    // init will be called when the challenge starts
    // Normally you will put most of your code in the init function,
    // to set up event listeners and logic.
    
    // TODO: If we're just picking up, only stop if we're going in the right direction
    // TODO: Deal with multiple elevators
    // TODO: Don't stop if the current car is full, until we've let off some passengers
    
    init: function(elevators, floors) {
        elevators.forEach(function(elevator) {

            elevator.on("floor_button_pressed", function(floorNum) {
                // if we're not already going to this floor,
                // add it to the destination queue
                if (elevator.destinationQueue.indexOf(floorNum) == -1) {
                    elevator.goToFloor(floorNum);
                }
            });
            
            elevator.on("passing_floor", function(floorNum, direction) {
                // we're about to pass the floor. Should we stop here?
                // if floor exists in queue:
                if (elevator.destinationQueue.indexOf(floorNum) != -1) {
                    // Splice the current floor out of the destination array
                    // (so we don't go to it twice)
                    elevator.destinationQueue.splice(elevator.destinationQueue.indexOf(floorNum), 1);
                    elevator.checkDestinationQueue();
                    // Stop at this floor NOW (true) instead of later
                    elevator.goToFloor(floorNum, true);
                }
            });

            // Whenever the elevator is idle (has no more queued destinations) ...
            elevator.on("idle", function() {
                // let's go to the bottom floor
                // Since most people will come in there
                elevator.goToFloor(0);
            });
            
        });  //end of elevators
        
        floors.forEach(function(floor) {
        
            // TODO: assign elevators round-robin to accept new floors?
            
            floor.on("up_button_pressed", function() {
                if (elevators[0].destinationQueue.indexOf(floor.floorNum()) != -1) {
                    ; // already going there
                } else {
                    elevators[0].goToFloor(floor.floorNum());
                }
            });
            
            floor.on("down_button_pressed", function() {
                if (elevators[0].destinationQueue.indexOf(floor.floorNum()) != -1) {
                    ; // already going there
                } else {
                    elevators[0].goToFloor(floor.floorNum());
                }
            });
            
        });  // end of floors
    },  // end of init
    update: function(dt, elevators, floors) {
        // update will be called repeatedly during the challenge.
        // Do more stuff with the elevators and floors
        // dt is the number of game seconds that passed since the last time update was called
        // probably don't need to do anything here unless it's *~.FANCY.~*
        
        // IDEAS:
        // - set going up indicator
        // - go up to first floor on up button pressed
        // - check if I should continue going up, even if "down" is next in queue
        
    }  // end of update
}