public RackConveyorArrivalEventArgs(string locationName, Case_Load caseLoad, Elevator elevator, RackConveyor rackConveyor, Cycle?unloadcycle)
{
_locationName = locationName;
_caseLoad = caseLoad;
_elevator = elevator;
_rackConveyor = rackConveyor;
_UnloadCycle = unloadcycle;
}
internal void MoveShuttle(float position)
{
if (CurrentTask.Source.ConvType() == ConveyorTypes.InfeedRack)
{
RackConveyor sourceConv = ParentMultiShuttle.GetConveyorFromLocName(CurrentTask.Source) as RackConveyor;
if (CurrentTask.Level == Level && sourceConv != null && (shuttleAP.Active || (!shuttleAP.Active && (sourceConv.LocationB.Active && sourceConv.LocationB.ActiveLoad.Identification == CurrentTask.LoadID))))
{
//continue....temp debug code!
}
else
{
Log.Write("Error in CurrentTask removing current task", Color.Red);
CurrentTask = null;
return;
}
}
float currentDistance = trackRail.Destination.Distance;
if (trackRail.Destination.Distance != position)
{
trackRail.Destination.Distance = position;
if (trackRail.Destination.Distance < currentDistance)
{
trackRail.Route.Motor.Backward();
}
else if (trackRail.Destination.Distance > currentDistance)
{
trackRail.Route.Motor.Forward();
}
trackRail.Route.Motor.Start();
trackRail.ShuttleCar.Release();
}
else //no need to move as already at the correct location
{
ShuttleOnArrived();
}
}
private void ElevatorOnArrived(object sender, EventArgs e)
{
if (CurrentTask == null)
{
//Log.Write("Elevator arrived with a null current task");
return;
}
ElevatorConveyor.Route.NextRoute = null;
ElevatorConveyor.Route.LastRoute = null;
if (OnElevatorArrived != null)
{
OnElevatorArrived(this, new EventArgs());
}
if (CurrentTask.Flow == TaskType.Infeed || CurrentTask.Flow == TaskType.HouseKeep)
{
if (ElevatorConveyor.Route.Loads.Count == 0) //Arrived at the pickstation so release whatever is waiting for the elevator to arrive
{
Load loadASpecial = null, loadBSpecial = null;
var A = ParentMultiShuttle.ConveyorLocations.Find(x => x.LocName == CurrentTask.SourceLoadA);
if (A != null)
{
loadASpecial = A.ActiveLoad;
}
var B = ParentMultiShuttle.ConveyorLocations.Find(x => x.LocName == CurrentTask.SourceLoadB);
if (B != null)
{
loadBSpecial = B.ActiveLoad;
}
if (loadASpecial != null)
{
loadASpecial.Release();
}
if (loadBSpecial != null)
{
loadBSpecial.Release();
}
if (B != null && B.Parent.Parent.Parent is PickStationConveyor ps)
{
int pickCount = 1;
if (loadASpecial != null)
{
pickCount = 2;
}
if (ps.TransportSection.Route.Loads.Count > 1 && pickCount == 1)
{
//Pick station has two totes but elevator should only pick 1.
ps.ElevatorPickOneOfTwo = true;
Log.Write($"{ParentMultiShuttle.Name}, {ElevatorName}: Two loads at PS but elevator will just pick 1.");
}
}
}
else if (CurrentTask.UnloadCycle == Cycle.Single)
{
ElevatorConveyor.LocationB.Release();
// Load.Get(CurrentTask.LoadB_ID).Release();
}
else if (CurrentTask.LoadCycle == Cycle.Double)
{
//Arrived at a double dropoff infeed rack conveyor so release both elevator loc
ElevatorConveyor.LocationB.Release();
ElevatorConveyor.LocationA.Release();
ElevatorConveyor.LocationB.Enabled = false;
}
}
else if (CurrentTask.Flow == TaskType.Outfeed)
{
if (ElevatorConveyor.UnLoading) //outfeed and unloading so have arrived at a DS
{
if (CurrentTask.DestinationLoadBConv != null && CurrentTask.DestinationLoadBConv.ThisRouteStatus.Available != RouteStatuses.Available)
{
CurrentTask.DestinationLoadBConv.ThisRouteStatus.OnRouteStatusChanged += ThisRouteStatus_OnRouteStatusChanged;
return;
}
ElevatorConveyor.LocationB.Release();
ElevatorConveyor.LocationA.Release();
if (CurrentTask.UnloadCycle == Cycle.Double || CurrentTask.NumberOfLoadsInTask == 1)
{
ElevatorConveyor.LocationB.Enabled = false; // if only 1 load in task don't care about this but doesn't do any harm
ElevatorConveyor.UnLoading = false;
}
}
else if (!ElevatorConveyor.UnLoading) // still loading the elevator
{
RackConveyor rc = moveToConvLevel as RackConveyor;
if (rc == null)
{
Log.Write("Offloading at DS but elevator thinks it is at a rack conv.", Color.Red);
}
else
{
//MRP Auchan 11-10-2018. Cancel task if front load ID does not match task ID.
//Maybe this is not needed because I also changed how tasks are started. (Only start sequenced task if the load id match - unsequenced already did this).
if (rc.LocationB.Active)
{
//Check if we have the right ID.
if (!CurrentTask.RelevantElevatorTask(rc.LocationB.ActiveLoad))
{
Log.Write(string.Format($"Load at front rack conveyor is not relevant for this task! ({rc.LocationB.ActiveLoad.Identification}) Aisle {ParentMultiShuttle.Name} Elevator {ElevatorName}. Elevator task - {CurrentTask}."));
if (CurrentTask.LoadCycle == Cycle.Single && CurrentTask.UnloadCycle == Cycle.Single &&
CurrentTask.NumberOfLoadsInTask == 1)
{
//it should be ok to just cancel the task
Log.Write($"Task cancelled! (task: {CurrentTask})");
CurrentTask = null;
SetNewElevatorTask();
return;
}
if (CurrentTask.LoadCycle == Cycle.Single && CurrentTask.UnloadCycle == Cycle.Double &&
CurrentTask.NumberOfLoadsInTask == 2)
{
//We have another load on the elevator which needs to be unloaded.
Log.Write($"Task modified! (task: {CurrentTask})");
CurrentTask.UnloadCycle = Cycle.Single;
CurrentTask.CancelLoadA();
MoveElevator(CurrentTask.DestinationLoadBConv);
return;
}
Log.Write($"Could not cancel or modify task. Elevator will probably fail. (task: {CurrentTask})");
}
}
rc.LocationB.Release();
if (CurrentTask.LoadCycle == Cycle.Double) // If its a double also release A as well
{
rc.LocationA.Release();
}
}
}
}
}