public void AssignElevator(int RequestedFloor)
{
// Finding the proper column
Column currentColumn = this.columnList[0];
foreach (var item in this.columnList)
{
if (RequestedFloor >= item.floorList[1] && RequestedFloor <= item.floorList.Last())
{
currentColumn = item;
break;
}
}
Console.WriteLine("the column ID for floor {0} is {1}", RequestedFloor, currentColumn.ID);
int DistanceToGo = 1000;
Elevator BestElevator = currentColumn.elevatorList[0];
string UserDirection;
if (RequestedFloor > 1)
{
UserDirection = "UP";
}
else
{
UserDirection = "DOWN";
}
// Finding the best elevator based on comparing DistanceToGo
foreach (Elevator elevator in currentColumn.elevatorList)
{
int currentDestination;
if (elevator.Direction == "IDLE")
{
currentDestination = 0;
}
else
{
currentDestination = elevator.StopList.Last();
}
Console.Write("Elevator ID = {0}, PositonOfElevator = {1}, DirectionOfElevator = {2}, current Destination = {3}", elevator.ID, elevator.Position, elevator.Direction, currentDestination);
int distance = CalculateDistanceToGo(elevator, 1, UserDirection);
Console.WriteLine(". distanceToGo: {0}", distance);
if (distance <= DistanceToGo)
{
DistanceToGo = distance;
BestElevator = elevator;
}
}
Console.WriteLine("*** Take the column {0}, elevator {1} *** ", currentColumn.ID, BestElevator.ID);
if (BestElevator.Position == 1)
{
UpdateList(BestElevator, BestElevator.StopList, RequestedFloor);
}
else
{
UpdateList(BestElevator, BestElevator.BufferList, RequestedFloor);
if (RequestedFloor > 1)
{
BestElevator.BufferDirection = "DOWN";
}
else
{
BestElevator.BufferDirection = "UP";
}
}
move(BestElevator);
}
public void move(Elevator elevator)
{
while (elevator.StopList.Count > 0)
{
if (elevator.StopList[0] > elevator.Position)
{
elevator.Direction = "UP";
while (elevator.Position < elevator.StopList[0])
{
elevator.Position += 1;
if (elevator.Position != 0)
{
Console.WriteLine("Elevator {0} is at floor {1} ", elevator.ID, elevator.Position);
Thread.Sleep(2000);
}
if (elevator.Position == elevator.floorList.Last())
{
elevator.Direction = "IDLE";
}
}
elevator.Door = "OPENED";
for (int s = 5; s > 0; s--)
{
Console.Beep();
}
Console.WriteLine("DOOR IS OPENED");
elevator.StopList.RemoveAt(0);
}
else
{
elevator.Direction = "DOWN";
while (elevator.Position > elevator.StopList.Last())
{
elevator.Position -= 1;
if (elevator.Position != 0)
{
Console.WriteLine("Elevator {0} is at floor {1} ", elevator.ID, elevator.Position);
Thread.Sleep(2000);
}
if (elevator.Position == elevator.floorList.First())
{
elevator.Direction = "IDLE";
}
}
elevator.Door = "OPENED";
Console.WriteLine("DOOR OPENING...");
for (int t = 5; t > 0; t--)
{
Thread.Sleep(1000);
Console.WriteLine(t);
}
for (int s = 5; s > 0; s--)
{
Console.Beep();
}
Console.WriteLine("DOOR IS OPENED");
elevator.StopList.RemoveAt(elevator.StopList.Count - 1);
}
elevator.Door = "CLOSED";
Console.WriteLine("DOOR IS CLOSING IN: ");
for (int t = 5; t > 0; t--)
{
Thread.Sleep(1000);
Console.WriteLine(t);
}
for (int s = 5; s > 0; s--)
{
Console.Beep();
}
Console.WriteLine("DOOR CLOSED");
Thread.Sleep(2000);
elevator.Direction = "IDLE";
}
if (elevator.BufferList.Count > 0)
{
elevator.StopList = elevator.BufferList;
elevator.Direction = elevator.BufferDirection;
move(elevator);
}
else
{
elevator.Direction = "IDLE";
}
}
public void RequestElevator(int FloorNumber)
{
// Finding the proper column
Column currentColumn = this.columnList[0];
foreach (var item in this.columnList)
{
if (FloorNumber >= item.floorList[1] && FloorNumber <= item.floorList.Last())
{
currentColumn = item;
break;
}
}
// determining the USER Direction
string Direction;
if (FloorNumber < 1)
{
Direction = "UP";
}
else
{
Direction = "DOWN";
}
Console.WriteLine("Serving column: columnID {0} from floor {1} to floor {2}", currentColumn.ID, currentColumn.floorList[1], currentColumn.floorList.Last());
// finding the closest elevator Based on on comparing DistanceToGo AND the following Priority:
// 1- the moving elevator which is arriving to the user
// 2- the IDLE elevator
// 3- other elevators
int DistanceToGo = 1000;
int distance;
List <Elevator> FirstPriority = new List <Elevator>();
List <Elevator> SecondPriority = new List <Elevator>();
List <Elevator> ThirdPriority = new List <Elevator>();
Elevator BestElevator = currentColumn.elevatorList[0];
foreach (Elevator elev in currentColumn.elevatorList)
{
int currentDestination;
if (elev.Direction == "IDLE")
{
currentDestination = 0;
}
else
{
currentDestination = elev.StopList.Last();
}
Console.Write("Elevator ID = {0}, PositonOfElevator = {1}, DirectionOfElevator = {2}, current Destination = {3}", elev.ID, elev.Position, elev.Direction, currentDestination);
distance = CalculateDistanceToGo(elev, FloorNumber, Direction);
Console.WriteLine(". distanceToGo: {0}", distance);
if (elev.Direction == Direction)
{
if ((Direction == "UP" && elev.Position <= FloorNumber) | (Direction == "DOWN" && elev.Position >= FloorNumber))
{
FirstPriority.Add(elev);
}
}
else if (elev.Direction == "IDLE")
{
SecondPriority.Add(elev);
}
else
{
ThirdPriority.Add(elev);
}
}
if (FirstPriority.Count > 0)
{
foreach (Elevator elev in FirstPriority)
{
distance = CalculateDistanceToGo(elev, FloorNumber, Direction);
if (distance <= DistanceToGo)
{
DistanceToGo = distance;
BestElevator = elev;
}
}
}
else if (SecondPriority.Count > 0)
{
foreach (Elevator elev in SecondPriority)
{
distance = CalculateDistanceToGo(elev, FloorNumber, Direction);
if (distance <= DistanceToGo)
{
DistanceToGo = distance;
BestElevator = elev;
}
}
}
else
{
foreach (Elevator elev in ThirdPriority)
{
distance = CalculateDistanceToGo(elev, FloorNumber, Direction);
if (distance <= DistanceToGo)
{
DistanceToGo = distance;
BestElevator = elev;
}
}
}
// Updating the STOPLIST of the selected elevator
if (BestElevator.Direction == Direction | BestElevator.Direction == "IDLE")
{
if (BestElevator.Direction == "DOWN" && BestElevator.Position >= FloorNumber)
{
Console.Write(" Take column {0} ElevatorID: {1} which is currently at floor {2}. ", currentColumn.ID, BestElevator.ID, BestElevator.Position);
Thread.Sleep(2000);
UpdateList(BestElevator, BestElevator.StopList, FloorNumber);
UpdateList(BestElevator, BestElevator.StopList, 1);
Console.WriteLine(" StopList: [ " + string.Join(" | ", BestElevator.StopList) + " ]");
move(BestElevator);
}
else if (BestElevator.Direction == "UP" && BestElevator.Position <= FloorNumber)
{
Console.Write(" Take column {0} ElevatorID: {1} which is currently at floor {2}. ", currentColumn.ID, BestElevator.ID, BestElevator.Position);
Thread.Sleep(2000);
UpdateList(BestElevator, BestElevator.StopList, FloorNumber);
UpdateList(BestElevator, BestElevator.StopList, 1);
Console.WriteLine(" StopList: [ " + string.Join(" | ", BestElevator.StopList) + " ]");
move(BestElevator);
}
else if (BestElevator.Direction == "IDLE")
{
Console.Write(" Take ElevatorID: {0} which is currently at floor {1}. ", BestElevator.ID, BestElevator.Position);
Thread.Sleep(2000);
UpdateList(BestElevator, BestElevator.StopList, FloorNumber);
UpdateList(BestElevator, BestElevator.StopList, 1);
Console.WriteLine(" StopList: [ " + string.Join(" | ", BestElevator.StopList) + " ]");
move(BestElevator);
}
else
{
Console.Write(" Take ElevatorID: {0} which is currently at floor {1}. ", BestElevator.ID, BestElevator.Position);
Thread.Sleep(2000);
UpdateList(BestElevator, BestElevator.BufferList, FloorNumber);
UpdateList(BestElevator, BestElevator.BufferList, 1);
Console.Write(" StopList: [ " + string.Join(" | ", BestElevator.StopList) + " ]");
Console.WriteLine(" BufferLsit: [ " + string.Join(" | ", BestElevator.BufferList) + " ]");
if (FloorNumber > 1)
{
BestElevator.BufferDirection = "DOWN";
move(BestElevator);
}
else
{
BestElevator.BufferDirection = "UP";
move(BestElevator);
}
}
}
else
{
Console.Write(" Take ElevatorID: {0} which is currently at floor {1}. ", BestElevator.ID, BestElevator.Position);
Thread.Sleep(2000);
UpdateList(BestElevator, BestElevator.BufferList, FloorNumber);
UpdateList(BestElevator, BestElevator.StopList, 1);
Console.Write(" StopList: [ " + string.Join(" | ", BestElevator.StopList) + " ]");
Console.WriteLine(" BufferLsit: [ " + string.Join(" | ", BestElevator.BufferList) + " ]");
// For Basements
if (FloorNumber > 1)
{
BestElevator.BufferDirection = "DOWN";
move(BestElevator);
}
// For other floors
else
{
BestElevator.BufferDirection = "UP";
move(BestElevator);
}
}
}
