public override void Execute(State state, FastPriorityQueue <Event> eventQueue)
{
// Clear switch (no lane cleared if coming from depot)
SwitchLane lane = fromDepot ? SwitchLane.None : Switch.ArrivalLaneFor(platform);
eventQueue.Enqueue(new ClearSwitchLane(station, lane), state.time + Config.c.switchClearanceTime);
// Log
System.Diagnostics.Debug.WriteLine($"ArrivalEndstation: tram {tram.id}, station: {station.name}, {platform}, {lane}, time: {state.time}");
// Check if tram can do another round trip if it is at endstation with depot
if (!station.TramToDepot(state.time))
{
// Board and unboard
(int pOut, int pIn, List <int> e) = station.UnboardAndBoard(tram, tram.passengerCount);
entrances = e;
// Calculate when to schedule departure
// If boarding/unboarding takes shorter than the turnaround, take the turnaround time
int passengerTransferTime = state.time + Math.Max(Sampling.passengerExchangeTime(pOut, pIn), Config.c.turnAroundTimeFor(station));
int nextDepartureTime = station.NextDeparture();
int nextEventTime = Math.Max(passengerTransferTime, nextDepartureTime);
// Queue event
eventQueue.Enqueue(new ExpectedDepartureStartstation(tram, station, platform, nextDepartureTime), nextEventTime);
}
// Transfer tram to depot
else
{
station.Free(platform);
}
}
public override void Execute(State state, FastPriorityQueue <Event> eventQueue)
{
System.Diagnostics.Debug.WriteLine($"ClearSwitchLane: {station.name}, {lane}, time: {state.time}");
/* Kind of a critical point here:
* - We have a possible departing tram
* - We have a possible incoming tram
* - The incoming tram can never go to the departing tram platform (not free yet)
* This means that if the departing tram is on platform B, the arriving tram cannot enter because the cross will be used.
* If the departing tram is on platform A, they can drive past each other, so it's okay to queue the arrival. */
// Clear the switch
station._switch.FreeSwitch(lane);
// Check if tram is in queue at switch, give priority to departing trams
var(departingTram, departingPlatform) = station.GetFirstDepartingTram();
if (departingTram != null)
{
// Queue the departure
SwitchLane departureLane = Switch.ExitLaneFor(departingPlatform);
station._switch.UseSwitchLane(departureLane);
Event e = new DepartureStartstation(departingTram, station, departingPlatform);
eventQueue.Enqueue(e, state.time);
}
// Get the best free platform
Platform arrivalPlatform = station.BestFreePlatform();
if (arrivalPlatform != Platform.None)
{
// Check if there are trams arriving from the depot, if so prefer those.
if (station.depotQueue.Count > 0)
{
Tram arrivingTram = station.OccupyFromDepotQueue(arrivalPlatform);
Event e = new ArrivalEndstation(arrivingTram, station, arrivalPlatform, true);
eventQueue.Enqueue(e, state.time);
}
// Check if we can enqueue an arrival as well
else if (station.HasQueue() && station._switch.SwitchLaneFree(Switch.ArrivalLaneFor(arrivalPlatform)))
{
// Get best available platform && queue
Tram arrivingTram = station.OccupyFromQueue(arrivalPlatform);
SwitchLane lane = Switch.ArrivalLaneFor(arrivalPlatform);
station._switch.UseSwitchLane(lane);
// Queue the arrival
Event e = new ArrivalEndstation(arrivingTram, station, arrivalPlatform);
eventQueue.Enqueue(e, state.time);
}
}
}
public override void Execute(State state, FastPriorityQueue <Event> eventQueue)
{
System.Diagnostics.Debug.WriteLine($"ExpectedArrivalEndstation: tram {tram.id}, station: {station.name}, time: {state.time}");
// Check if there is a free platform available and if switch lane is free
Platform bestPlatform = station.BestFreePlatform();
if (station.depotQueue.Count == 0 && bestPlatform != Platform.None)
{
station.Occupy(tram, bestPlatform);
station._switch.UseSwitchLane(Switch.ArrivalLaneFor(bestPlatform));
eventQueue.Enqueue(new ArrivalEndstation(tram, station, bestPlatform), state.time);
}
else
{
station.Enqueue(tram);
}
}