private static void Elev_NoticeEvent(object sender, NoticeEventArgs e)
{
Elevator elev = (Elevator)sender;
NoticeEvent(sender, e);
switch (e.Status)
{
case StatusStyle.Arrive:
#region 到达：如果有下梯或上梯的则“开门”，判断是否要“调头”，是否“前进”
if (elev.CurrentFloor == Building.AboveFloorCount || elev.CurrentFloor == -Building.UnderFloorCount) //电梯到顶或到底
{
elev.Direction = elev.Direction == DirectionStyle.Up ? DirectionStyle.Down : DirectionStyle.Up; //调头
elev.OpenDoorAsync();
return;
}
if (elev.PersonList.Exists(x => x.ToFloor == elev.CurrentFloor) || elev.ReachList.Exists(x => x.Direction == elev.Direction && x.Floor == elev.CurrentFloor)) //有下梯或同方向上梯的
{
elev.OpenDoorAsync();
return;
}
if (elev.PersonList.Count == 0)
{
if (elev.ReachList.Count == 0) //无内呼 + 无外呼，则“空闲”
{
elev.Status = StatusStyle.Free;
elev.Direction = DirectionStyle.None;
}
else if ((elev.Direction == DirectionStyle.Up && !elev.ReachList.Exists(x => x.Floor > elev.CurrentFloor)) || (elev.Direction == DirectionStyle.Down && !elev.ReachList.Exists(x => x.Floor < elev.CurrentFloor)))
{
elev.Direction = elev.Direction == DirectionStyle.Up ? DirectionStyle.Down : DirectionStyle.Up; //调头
if (elev.ReachList.Exists(x => x.Floor == elev.CurrentFloor && x.Direction == elev.Direction))
{
elev.OpenDoorAsync();
}
else
{
elev.RunAsync();
}
}
else
{
elev.RunAsync(); //前进
}
}
else
{
elev.RunAsync(); //前进
}
#endregion
break;
case StatusStyle.Opened:
#region 开门后：根据内呼和外呼情况进行“下梯、上梯”动作，最后“关门”
Func <Person[], bool> AllIn = (arrIn) => //如果全部进入电梯则返回True，否则False
{
bool result = false;
if (elev.FreeSpace < arrIn.Count())
{
var tmpIn = arrIn.Take(elev.FreeSpace).ToArray();
CallPersons.RemoveEx(tmpIn);
elev.PersonIn(tmpIn);
}
else
{
CallPersons.RemoveEx(arrIn);
elev.PersonIn(arrIn);
result = true;
}
return(result);
};
if (elev.PersonList.Exists(x => x.ToFloor == elev.CurrentFloor)) //有下梯的
{
elev.PersonOut(elev.PersonList.Where(x => x.ToFloor == elev.CurrentFloor).ToArray());
}
if (CallPersons.Exists(x => x.Direction == elev.Direction && x.FromFloor == elev.CurrentFloor)) //有同方向上梯的
{
Person[] pIn = CallPersons.Where(x => x.Direction == elev.Direction && x.FromFloor == elev.CurrentFloor).ToArray();
if (!AllIn(pIn))
{
Call(CallPersons.Where(x => x.Direction == elev.Direction && x.FromFloor == elev.CurrentFloor).ToArray());
}
}
if (elev.PersonList.Count == 0) //梯内无人，同方向无外呼，反方向有叫梯，则转换方向，上梯
{
if (elev.Direction == DirectionStyle.Up && !elev.ReachList.Exists(x => x.Floor > elev.CurrentFloor) && elev.ReachList.Exists(x => x.Floor < elev.CurrentFloor))
{
elev.Direction = DirectionStyle.Down; //调头
if (CallPersons.Exists(x => x.Direction == elev.Direction && x.FromFloor == elev.CurrentFloor)) //有上梯的
{
Person[] pIn = CallPersons.Where(x => x.Direction == elev.Direction && x.FromFloor == elev.CurrentFloor).ToArray();
if (!AllIn(pIn))
{
Call(CallPersons.Where(x => x.Direction == elev.Direction && x.FromFloor == elev.CurrentFloor).ToArray());
}
}
}
else if (elev.Direction == DirectionStyle.Down && !elev.ReachList.Exists(x => x.Floor < elev.CurrentFloor) && elev.ReachList.Exists(x => x.Floor > elev.CurrentFloor))
{
elev.Direction = DirectionStyle.Up; //调头
if (CallPersons.Exists(x => x.Direction == elev.Direction && x.FromFloor == elev.CurrentFloor)) //有上梯的
{
Person[] pIn = CallPersons.Where(x => x.Direction == elev.Direction && x.FromFloor == elev.CurrentFloor).ToArray();
if (!AllIn(pIn))
{
Call(CallPersons.Where(x => x.Direction == elev.Direction && x.FromFloor == elev.CurrentFloor).ToArray());
}
}
}
}
elev.CloseDoorAsync();
#endregion
break;
case StatusStyle.Closed:
#region 关门后: 根据内呼和外呼情况决定电梯“前进、调头、停止（空闲）”
if (elev.PersonList.Count > 0) //有内呼
{
elev.RunAsync();
return;
}
else if (elev.ReachList.Count == 0) //无内呼 + 无外呼
{
elev.Status = StatusStyle.Free;
elev.Direction = DirectionStyle.None;
return;
}
else if (elev.ReachList.Exists(x => x.Direction == elev.Direction)) //无内呼 + 有外呼 + 同向
{
if (elev.Direction == DirectionStyle.Up && !elev.ReachList.Exists(x => x.Floor > elev.CurrentFloor) && elev.ReachList.Exists(x => x.Floor < elev.CurrentFloor)) //电梯向上 + 上面无外呼 + 下面有外呼
{
elev.RunAsync(DirectionStyle.Down); //调头
return;
}
if (elev.Direction == DirectionStyle.Down && !elev.ReachList.Exists(x => x.Floor < elev.CurrentFloor) && elev.ReachList.Exists(x => x.Floor > elev.CurrentFloor)) //电梯向下 + 下面无外呼 + 上面有外呼
{
elev.RunAsync(DirectionStyle.Up); //调头
return;
}
elev.RunAsync();
return;
}
else if (elev.ReachList.Exists(x => x.Direction != elev.Direction)) //无内呼 + 有外呼 + 反向
{
elev.Direction = elev.Direction == DirectionStyle.Up ? DirectionStyle.Down : DirectionStyle.Up;
elev.RunAsync(elev.Direction);
}
#endregion
break;
case StatusStyle.Opening:
elev.RemoveFromReachList();
break;
}
}