//npc
public void SendNpcInfo(BaseObject obj)
{
if (GetGameSession() == null) return;
NetMsg.MsgNpcInfo info = new NetMsg.MsgNpcInfo();
info.Create(null, session.GetGamePackKeyEx());
int lookface = (obj as NpcObject).mInfo.lookface;
info.Init(obj.GetID(), obj.GetCurrentX(), obj.GetCurrentY(), lookface);
this.SendData(info.GetBuffer());
}