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{
init: function(elevators, floors) {
function Controller (elevator) {
var currentController = this;
this.elevator = elevator;
elevator.on('floor_button_pressed', function (floorNum) {
currentController.goToFloor(floorNum);
});
}
/**
* Get floor priority of the request to this elevator at the moment.
* @param {[type]} floorRequest [description]
* @return {[type]} [description]
*/
Controller.prototype.getRequestPriority = function (floorRequest) {
var priority = 1 - this.elevator.loadFactor();
if (floorRequest.floorNum > this.elevator.currentFloor() && this.elevator.destinationDirection() === 'up') priority += 10 / Math.pow(Math.abs(floorRequest.floorNum - this.elevator.currentFloor()), 2);
if (floorRequest.floorNum < this.elevator.currentFloor() && this.elevator.destinationDirection() === 'down') priority -= 10 / Math.pow(Math.abs(floorRequest.floorNum - this.elevator.currentFloor()), 2);
return priority;
};
Controller.prototype.appendFloorRequest = function (floorRequest) {
this.goToFloor(floorRequest.floorNum);
};
Controller.prototype.goToFloor = function (floorNum) {
var currentController = this;
this.elevator.goToFloor(floorNum);
setTimeout(function () {
currentController.rearrangeDestination();
}, 0);
};
Controller.prototype.rearrangeDestination = function () {
var currentController = this;
var destinationsToSameDirection, destinationToOpposite;
if (currentController.elevator.destinationDirection() === 'up') {
destinationsToSameDirection = currentController.elevator.destinationQueue.filter(function (destination) {
return destination >= currentController.elevator.currentFloor();
}).sort(function (lhs, rhs) {
return lhs > rhs;
});
destinationToOpposite = currentController.elevator.destinationQueue.filter(function (destination) {
return destination < currentController.elevator.currentFloor();
});
}
else if (currentController.elevator.destinationDirection() === 'down') {
destinationsToSameDirection = currentController.elevator.destinationQueue.filter(function (destination) {
return destination <= currentController.elevator.currentFloor();
}).sort(function (lhs, rhs) {
return lhs < rhs;
});
destinationToOpposite = currentController.elevator.destinationQueue.filter(function (destination) {
return destination > currentController.elevator.currentFloor();
});
}
else {
return;
}
currentController.elevator.destinationQueue = destinationsToSameDirection.concat(destinationToOpposite);
currentController.elevator.checkDestinationQueue();
}
var controllers = elevators.map(function (elevator) {
return new Controller(elevator);
});
function makeFloorRequest (direction, floorNum) {
return {
direction: direction,
floorNum: floorNum
};
}
function dispatchFloorRequest (floorRequest) {
var sortedControllers = controllers.map(function (controller) {
return {
controller: controller,
priority: controller.getRequestPriority(floorRequest)
};
}).sort(function (lhs, rhs) {
return lhs.priority < rhs.priority;
}).map(function (_) {
return _.controller;
});
sortedControllers[0].appendFloorRequest(floorRequest);
}
floors.forEach(function (floor) {
floor.on('up_button_pressed', function () {
dispatchFloorRequest(makeFloorRequest('up', floor.floorNum()));
});
floor.on('down_button_pressed', function () {
dispatchFloorRequest(makeFloorRequest('down', floor.floorNum()));
});
});
},
update: function(dt, elevators, floors) {
// We normally don't need to do anything here
}
}
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