private ICraneAgent CraneAssignmentHeuristic(ICraneMoveEvent order)
{
if (order.RequiredCraneId.HasValue)
{
// there is a required crane assigned to complete this order
return(_world.CraneAgents.Single(x => x.Id == order.RequiredCraneId.Value));
}
foreach (var agent in _world.CraneAgents.Where(x => IsExecutable(order, x))
.OrderBy(x => Math.Abs(x.GetGirderPosition() - order.PickupGirderPosition) + Math.Abs(x.GetGirderPosition() - order.DropoffGirderPosition)))
{
return(agent);
}
return(null);
}
private IEnumerable <Event> RemoveFromSchedule(ICraneMoveEvent move)
{
yield return(move.Finished);
Schedule.Remove(move.Id);
Environment.MoveFinished(move.Id, move.Finished.IsOk);
foreach (var m in Environment.CraneMoves)
{
m.RemoveFromPredecessors(move.Id);
}
TriggerWhenChange();
if (Schedule.Tasks == 0)
{
TriggerWhenEmpty();
}
Environment.Environment.ActiveProcess.HandleFault();
}
private bool IsExecutable(ICraneMoveEvent move, ICraneAgent agent)
{
if (move.Predecessors > 0 || move.ReleaseTime > _world.Now)
{
return(false);
}
if (!agent.CanReach(move.PickupGirderPosition) || !agent.CanReach(move.DropoffGirderPosition))
{
return(false);
}
if (_world.CraneAgents.Any(other => other != agent &&
other.State != CraneAgentState.Waiting &&
((other.GetGirderPosition() < agent.GetGirderPosition() && (Math.Max(other.GoalPosition1, other.GoalPosition2) + other.Width / 2 > Math.Min(move.PickupGirderPosition, move.DropoffGirderPosition) - agent.Width / 2)) ||
(other.GetGirderPosition() > agent.GetGirderPosition() && (Math.Min(other.GoalPosition1, other.GoalPosition2) - other.Width / 2 < Math.Max(move.PickupGirderPosition, move.DropoffGirderPosition) + agent.Width / 2)))))
{
return(false);
}
return(true);
}
public virtual bool IsAssigned(ICraneMoveEvent move)
{
return(Schedule.ContainsMove(move.Id));
}