// Complete the elevator requests
public void DoRequests()
{
if (RequestsQueue.Count > 0)
{
// Make sure queue is sorted before any request is completed
SortRequestsQueue();
Request requestToComplete = RequestsQueue[0];
// Go to requested floor
if (Door.Status != "closed")
{
Door.CloseDoor();
}
NextFloor = requestToComplete.Floor;
GoToNextFloor();
// Remove request after it is complete
Door.OpenDoor();
RequestsQueue.Remove(requestToComplete);
// Automatically close door
Door.CloseDoor();
}
// Automatically go idle temporarily if 0 requests or at the end of request
Movement = "idle";
}
// Sort requests, for added efficiency
private void SortRequestsQueue()
{
// Remove any requests which are useless i.e. requests that are already on their desired floor
foreach (var req in RequestsQueue.ToArray())
{
if (req.Floor == CurrentFloor)
{
RequestsQueue.Remove(req);
}
}
// Decide if elevator is going up, down or is staying idle
SetMovement();
// Sort
if (RequestsQueue.Count > 1)
{
if (Movement == "up")
{
// Sort the queue in ascending order
RequestsQueue.Sort((x, y) => x.Floor.CompareTo(y.Floor));
// Push any request to the end of the queue that would require a direction change
foreach (var req in RequestsQueue.ToArray())
{
if (req.Direction != Movement || req.Floor < CurrentFloor)
{
RequestsQueue.Remove(req);
RequestsQueue.Add(req);
}
}
}
else
{
// Reverse the sorted queue (will now be in descending order)
RequestsQueue.Sort((x, y) => y.Floor.CompareTo(x.Floor));
// Push any request to the end of the queue that would require a direction change
foreach (var req in RequestsQueue.ToArray())
{
if (req.Direction != Movement || req.Floor > CurrentFloor)
{
RequestsQueue.Remove(req);
RequestsQueue.Add(req);
}
}
}
}
}