private void StackLoads()
{
loadStacks++;
stackedLoad = GetStackedLoad();
currentLoad = (EuroPallet)TransportSection.Route.Loads.First();
if (stackedLoad != null)
{
loadStacks = stackedLoad.Grouped.Items.Count + 2;
}
// Check whether the load entering is already a stack or loaded
// If so allow it to pass through
if (currentLoad.Status == PalletStatus.Stacked || currentLoad.Status == PalletStatus.Loaded)
{
loadStacks = stackerInfo.StackLimit;
}
if (loadStacks < stackerInfo.StackLimit)
{
// Add short delay before switching the load from the current conveyor into the stack conveyor
stackLoadsDelayTimer.OnElapsed += MoveLoadToStack_OnElapsed;
stackLoadsDelayTimer.Start();
}
else
{
MoveLoadBackToConveyor();
}
}
private void DestackLoads()
{
// Check whether the load entering is loaded and if so allow it to pass through
currentLoad = GetCurrentLoad();
currentLoad.UserDeletable = true;
if (currentLoad.Status != PalletStatus.Loaded)
{
var currentStackedLoads = currentLoad.Grouped.Items;
currentLoad.DetachStackedPallets();
currentLoad.Status = PalletStatus.Empty;
stackedLoad = GetStackedLoad();
if (stackedLoad == null)
{
// Take first from stack and add to stacker conveyor
if (currentStackedLoads.Count > 0)
{
currentStackedLoads[0].Switch(stackConveyor.TransportSection.Route, currentLoad.Distance, true);
stackedLoad = GetStackedLoad();
// Then group the rest with the load just added
for (int i = 1; i < currentStackedLoads.Count; i++)
{
currentStackedLoads[i].Switch(stackConveyor.TransportSection.Route, currentLoad.Distance, true);
var stackY = (PalletHeight + 0.005f) * i;
stackedLoad.Group(currentStackedLoads[i], new Vector3(0, stackY, 0));
}
}
}
}
//// Add short delay before releasing first load from the stack
releaseLoadTimer.OnElapsed += ReleaseLoad_OnElapsed;
releaseLoadTimer.Start();
}
public override void LineReleasePhotocell_OnPhotocellStatusChanged(object sender, PhotocellStatusChangedEventArgs e)
{
if (e._PhotocellStatus == PhotocellState.Blocked)
{
e._Load.UserDeletable = false;
ThisRouteStatus.Available = RouteStatuses.Blocked;
DestackLoads();
SetLoadWaiting(true, false, e._Load);
}
else if (e._PhotocellStatus == PhotocellState.Clear)
{
if (e._Load != null)
{
e._Load.UserDeletable = true;
}
stackedLoad = GetStackedLoad();
if (stackedLoad != null)
{
// Add short delay before making next available load available
ThisRouteStatus.Available = RouteStatuses.Blocked;
repositionLoadsTimer.OnElapsed += RepositionLoads_OnElapsed;
repositionLoadsTimer.Start();
}
else
{
SetLoadWaiting(false, false, e._Load);
ThisRouteStatus.Available = RouteStatuses.Available;
}
}
}
private void PreviousLoadWaitingStatusStraight_OnLoadWaitingChanged(object sender, LoadWaitingChangedEventArgs e)
{
//If a load arrives and an unexpected type then allow it to pass through
if (e._loadWaiting)
{
EuroPallet previousLoad = (EuroPallet)e._waitingLoad;
if (previousLoad.Status == PalletStatus.Stacked || previousLoad.Status == PalletStatus.Loaded)
{
// Release the currently stacked load and allow previous load to pass through
MoveLoadBackToConveyor();
}
if (ThisRouteStatus != null && ThisRouteStatus.Available == RouteStatuses.Request && !loadActive)
{
ThisRouteStatus.Available = RouteStatuses.Available;
}
}
if (!e._loadWaiting)
{
//Once the load has stopped waiting, then the load will become active in the transfer
if (ThisRouteStatus.Available == RouteStatuses.Available)
{
ThisRouteStatus.Available = RouteStatuses.Request;
if (!e._loadDeleted)
{
loadActive = true;
}
else
{
loadActive = false;
}
}
}
}
private void MoveLoadBackToConveyor()
{
currentLoad = GetCurrentLoad();
stackedLoad = GetStackedLoad();
if (stackedLoad != null)
{
var stackedLoads = stackedLoad.Grouped.Items;
var stackedLoadsCount = stackedLoads.Count;
stackedLoad.UnGroup();
// First move the stacked load itself
stackedLoad.Switch(TransportSection.Route, stackedLoad.Distance - 0.001f, true);
if (currentLoad != null)
{
currentLoad.Group(stackedLoad, new Vector3(0, PalletHeight + 0.005f, 0));
}
// Second move all the loads that were previously grouped to it
for (int i = 0; i < stackedLoadsCount; i++)
{
stackedLoads[i].Switch(TransportSection.Route, true);
if (currentLoad != null)
{
currentLoad.Group(stackedLoads[i], new Vector3(0, (PalletHeight + 0.005f) * (i + 2), 0));
}
else
{
stackedLoad.Group(stackedLoads[i], new Vector3(0, (PalletHeight + 0.005f) * (i + 1), 0));
}
}
}
// Add short delay before releasing the load
releaseLoadDelayTimer.OnElapsed += ReleaseLoad_OnElapsed;
releaseLoadDelayTimer.Start();
}
private EuroPallet GetStackedLoad()
{
EuroPallet pallet = null;
if (stackConveyor.TransportSection.Route.Loads.Count > 0)
{
pallet = (EuroPallet)stackConveyor.TransportSection.Route.Loads.First();
}
return(pallet);
}
private EuroPallet GetCurrentLoad()
{
EuroPallet pallet = null;
if (TransportSection.Route.Loads.Count > 0)
{
pallet = (EuroPallet)TransportSection.Route.Loads.First();
}
return(pallet);
}
public override void Reset()
{
base.Reset();
releaseLoadTimer.Reset();
repositionLoadsTimer.Reset();
ResetConveyorLoads(stackConveyor, true);
ResetConveyorLoads(this, true);
loadActive = false;
ThisRouteStatus.Available = RouteStatuses.Request;
previousLoadWaitingStatus = null;
currentLoad = null;
stackedLoad = null;
}
public override void Reset()
{
base.Reset();
releaseLoadDelayTimer.Reset();
stackLoadsDelayTimer.Reset();
ResetConveyorLoads(stackConveyor, true);
ResetConveyorLoads(this, true);
loadStacks = 0;
loadActive = false;
ThisRouteStatus.Available = RouteStatuses.Request;
currentLoad = null;
stackedLoad = null;
}
private void DeleteTuTelegramReceived(string[] telegramFields)
{
Case_Load caseLoad = Case_Load.GetCaseFromIdentification(telegramFields.GetFieldValue(TelegramFields.tuIdent));
if (caseLoad == null)
{
EuroPallet pallet = EuroPallet.GetPalletFromIdentification(telegramFields.GetFieldValue(TelegramFields.tuIdent));
if (pallet != null)
{
if (pallet.Grouped.Items.Count > 0)
{
pallet.ResetEuroPallet(true);
}
pallet.Dispose();
}
}
else
{
caseLoad.Dispose();
}
}
public EuroPallet GetEuroPallet(Route route, float position, PalletStatus status)
{
EuroPallet palletLoad = CreateEuroPallet(PalletLoadHeight, PalletLoadWidth, PalletLoadLength, PalletLoadWeight, DefaultLoadColor.ToString(), status);
if (route != null)
{
((ATCEuroPallet)palletLoad).SetYaw(((Pallet.Assemblies.PalletStraight)route.Parent.Parent).ConveyorType);
((ATCEuroPallet)palletLoad).PresetStateCode = "OK";
if (position == 0)
{
if (palletLoad.Yaw == 0)
{
position = position + (palletLoad.Length / 2);
}
else
{
position = position + (palletLoad.Width / 2);
}
}
route.Add(palletLoad, position);
}
return(palletLoad);
}
