private void LoadUnloadSkiers(SimulatedChairlift lift, long currentTime)
{
for (int i = 0; i < lift.ChairLift.PassengerCount && lift.SkiersWaiting.Count > 0; i++)
{
Skier skier = lift.SkiersWaiting.Dequeue();
skier.StartTimeForCurrentStage = currentTime;
skier.Location = lift.ChairLift.Top; // TODO: interpolate location between bottom and top
Debug.Assert(!lift.SkiersRiding.Contains(skier));
lift.SkiersRiding.Enqueue(skier);
}
for (int i = 0; i < lift.ChairLift.PassengerCount && lift.SkiersRiding.Count > 0; i++)
{
Skier skier = lift.SkiersRiding.Peek();
if (currentTime - skier.StartTimeForCurrentStage >= lift.ChairLift.TimeToTop)
{
skier = lift.SkiersRiding.Dequeue();
skier.StartTimeForCurrentStage = currentTime;
skier.Location = lift.ChairLift.Top;
// TODO: randomize new chairlift target
Debug.Assert(!lift.SkiersSkiingToThisLift.Contains(skier));
lift.SkiersSkiingToThisLift.Add(skier);
}
Debug.Assert(lift.SkiersRiding.Contains(skier) ^ lift.SkiersSkiingToThisLift.Contains(skier));
}
lift.LastLoadTime = currentTime;
}
private static void MoveSkiersToWaiting(long currentTime, SimulatedChairlift lift, Func <Skier, bool> doneWithRunPredicate)
{
List <Skier> remove = new List <Skier>();
foreach (Skier skier in lift.SkiersSkiingToThisLift.Where(doneWithRunPredicate))
{
remove.Add(skier);
skier.StartTimeForCurrentStage = currentTime;
skier.Location = lift.ChairLift.Bottom;
Debug.Assert(!lift.SkiersWaiting.Contains(skier));
lift.SkiersWaiting.Enqueue(skier);
}
foreach (Skier skier in remove)
{
lift.SkiersSkiingToThisLift.Remove(skier);
}
}