private IEnumerable <Event> WorldUpdates()
{
var updateInterval = 1000L; // must be > 1
while (true)
{
// uncomment if you prefer world updates only for changes
//if (_worldChanged) {
if (World.PolicyTime > 0)
{
// Simulate that the policy took a certain time to calculate
World.PolicyTime = Math.Max(World.PolicyTime - updateInterval, 0L); // milliseconds
}
World.Now = Now;
World.KPIs.CraneUtilizationMean = CraneUtilization.Mean;
World.KPIs.HandoverUtilizationMean = HandoverUtilization.Mean;
World.KPIs.UpstreamUtilizationMean = UpstreamUtilization.Mean;
World.KPIs.BlockedArrivalTime = (1 - UpstreamUtilization.Mean) * (sim.Now - sim.StartDate).TotalSeconds;
if (World.PolicyTime == 0)
{
var sw = Stopwatch.StartNew();
var schedule = policy?.GetSchedule(World);
sw.Stop();
World.PolicyTime = SimulateAsync ? sw.ElapsedMilliseconds : 1L;
if (schedule != null)
{
sim.Process(Crane(schedule, World.PolicyTime));
}
}
WorldChanged?.Invoke(this, EventArgs.Empty);
World.InvalidMoves.Clear();
_worldChanged = false;
//}
yield return(sim.Timeout(TimeSpan.FromMilliseconds(updateInterval)));
}
}