public void onUpdatePackSelectedItem(int oldSelect)
{
Debug.Log("select " + pack.SelectedItemIndex + " replace " + oldSelect);
ItemOperationInfo info;
info.invoker = gameObject;
info.operationPosition = Vector3.zero;
info.entity = entity;
info.item = pack.SelectedItem;
ItemObject io1 = ItemObjectFactory.Instance.GetItemObject(pack[oldSelect].id);
io1.DeselectItem(info);
ItemObject io2 = ItemObjectFactory.Instance.GetItemObject(pack.SelectedItem.id);
io2.SelectItem(info);
}
