elevator-saga.js

{
    init: function(elevators, floors) {
        
        var availables = [];
        var callingFloorsUp = [];
        var callingFloorsDown = [];

        elevators.forEach(function(elevator) {
            elevator.goingUpIndicator(false);
            elevator.goingDownIndicator(false);
        });
        
        function goToFloor(e, n) {
            console.log("Elevador " + elevators.indexOf(e) + " vai para o andar " + n);
            e.goToFloor(n);
        }

        function controlIndicatorForDestinationFloor(floorNum, elevator) {
            elevator.goingUpIndicator(floorNum > elevator.currentFloor());    
            elevator.goingDownIndicator(floorNum < elevator.currentFloor());
        }

        elevators.forEach(function(elevator) {
            
            elevator.on("idle", function() {
                if(availables.indexOf(this) <= -1) 
                    availables.push(this);
            });
            
            elevator.on("floor_button_pressed", function(floorNum) {

                if(availables.indexOf(this) > -1) 
                    availables.splice(availables.indexOf(this), 1);

                console.log("Pressionado " + floorNum + " elevator " + elevators.indexOf(this) + " vai?");

                if(this.destinationQueue.length == 0) {
                    // controlIndicatorForDestinationFloor(floorNum, this);
                    this.goingUpIndicator(floorNum > this.currentFloor());    
                    this.goingDownIndicator(floorNum < this.currentFloor());
                }
                
                console.log("Passou aqui");
                
                this.destinationQueue.push(floorNum);
                this.destinationQueue.sort(function(a, b) {
                    return this.goingUpIndicator() ? a-b : b-a;
                });
                this.checkDestinationQueue();
            });

            elevator.on("passing_floor", function(floorNum, direction) {
                // console.log("Elevator " + elevators.indexOf(this) + " vai passar no floor " + floorNum + " em " + direction);
            });

            elevator.on("stopped_at_floor", function(floorNum) {
                
                // console.log("Elevator " + elevators.indexOf(this) + " chega no floor " + floorNum);
                
                if(callingFloorsUp.indexOf(floorNum) >= 0)
                    callingFloorsUp.splice(callingFloorsUp.indexOf(floorNum), 1);
                
                if(callingFloorsDown.indexOf(floorNum) >= 0)
                    callingFloorsDown.splice(callingFloorsDown.indexOf(floorNum), 1);
            })
        });

        floors.forEach(function(floor) {
            floor.on("up_button_pressed", function() {

                console.log("Floor " + this.floorNum() + " chama para subir");

                if(callingFloorsUp.indexOf(this.floorNum()) <= -1) {
                    callingFloorsUp.push(this.floorNum());
                    callingFloorsUp.sort();
                }

                var elevator = availables.shift();
                if(elevator) {

                    if(elevator.currentFloor() == this.floorNum()) {
                        elevator.goingUpIndicator(true);
                        elevator.goingDownIndicator(false);
                    } else controlIndicatorForDestinationFloor(this.floorNum, elevator);

                    goToFloor(elevator, this.floorNum());
                }
            });
            
            floor.on("down_button_pressed", function() {
                
                console.log("Floor " + this.floorNum() + " chama para descer");

                if(callingFloorsDown.indexOf(this.floorNum()) <= -1) {
                    callingFloorsDown.push(this.floorNum());
                    callingFloorsDown.sort();
                }

                var elevator = availables.shift();
                if(elevator) {
                    
                    if(elevator.currentFloor() == this.floorNum()) {
                        elevator.goingUpIndicator(false);
                        elevator.goingDownIndicator(true);
                    } else controlIndicatorForDestinationFloor(this.floorNum, elevator);

                    goToFloor(elevator, this.floorNum());
                }
            });            
        });
        
    },
    update: function(dt, elevators, floors) {
        // We normally don't need to do anything here
    }
}