elevator saga WIP

sagaaaa

{
    elevators: [],
    floorsWaitingUp: [],
    floorsWaitingDown: [],
        
    registerElevator: function(elevator) {
        elevator.i = this.elevators.length;
        
        elevator.log = function(msg) {
            if (this.i !== 0) { return; }
            console.log("e#" + this.i + "(" + (this.goingUpIndicator() ? "up" : "") + "/" + (this.goingDownIndicator() ? "down" : "") + "/" + this.destinationQueue.join(" -> ") + ") " + msg);
        };
        elevator.beginTripUp = function(context) {
            var firstFloor = context.floorsWaitingUp.indexOf(true);
            this.goingUpIndicator(true);
            this.goingDownIndicator(false);
            this.goToFloor(firstFloor);
        };
        elevator.beginTripDown = function(context) {
            var lastFloor = context.floorsWaitingDown.lastIndexOf(true);
            context.floorsWaitingDown[lastFloor] = false;
            this.goingUpIndicator(false);
            this.goingDownIndicator(true);
            this.goToFloor(lastFloor);
        };
        elevator.goingUpIndicator(false);
        elevator.goingDownIndicator(false);
        
        if (elevator.i % 2 === 1) {
            elevator.goToFloor(this.topFloor);
            elevator.goToFloor(0);
        }
        
        elevator.on("idle", (function(context) {
            return function() {
                elevator.log("idle");

                if (this.goingUpIndicator() && this.currentFloor() !== context.topFloor) {
                    this.goToFloor(context.topFloor);
                } else if (this.goingDownIndicator() && this.currentFloor() !== 0) {
                    this.goToFloor(0);
                } else if (this.currentFloor() === 0) {
                    this.beginTripUp(context);
                } else if (this.currentFloor() === context.topFloor) {
                    this.beginTripDown(context);
                }
            }
        })(this));
        
        elevator.on("floor_button_pressed", function(floorNum) {
            this.destinationQueue.push(floorNum);
            this.destinationQueue.sort();
            this.destinationQueue = this.destinationQueue.filter(function(i, pos, self) { return self.indexOf(i) == pos });
            if (this.goingDownIndicator()) {
                this.destinationQueue.reverse();
            }
            this.log("updated queue");
            this.checkDestinationQueue();
        });
        
        elevator.on("passing_floor", (function(context) {
            return function(floorNum, direction) {
                if (this.loadFactor() > 0.75) {
                    this.log("skipping floor due fullness");
                    return;
                }
                var isSomeoneThere = direction === "up" ? context.floorsWaitingUp[floorNum] : context.floorsWaitingDown[floorNum];
                if (!isSomeoneThere) {
                    // this.log("skipping floor " + floorNum + " because nobody's there");
                    return;
                }
                if (Math.random() > 0.4) {
                    this.log("skipping floor randomly");
                    return;
                }
                this.log("stopping at floor " + floorNum);
                this.goToFloor(floorNum, true);
            };
        })(this));
        
        elevator.on("stopped_at_floor", (function(context) {
            return function(floorNum) {
                if (this.goingUpIndicator()) {
                    context.floorsWaitingUp[floorNum] = false;
                } else if (this.goingDownIndicator()) {
                    context.floorsWaitingDown[floorNum] = false;
                }
            }
        })(this));

        this.elevators.push(elevator);
    },

    init: function(elevators, floors) {
        this.totalFloors = floors.length;
        this.topFloor = this.totalFloors - 1;
        for (var i in elevators) {
            this.registerElevator(elevators[i]);
        }
        
        for (var i in floors) {
            floors[i].on("up_button_pressed", (function (context) {
                var mainObject = context;
                return function() {
                    var floorNum = this.floorNum();
                    mainObject.floorsWaitingUp[floorNum] = true;
                }
            })(this));
            floors[i].on("down_button_pressed", (function (context) {
                var mainObject = context;
                return function() {
                    var floorNum = this.floorNum();
                    mainObject.floorsWaitingDown[floorNum] = true;
                }
            })(this));
        }
    },
    update: function(dt, elevators, floors) {
        // We normally don't need to do anything here
    }
}