private static void ExchangeItem(ItemInventory fromIn, ItemInventory toIn, IInventoryUI fromUI, IInventoryUI toUI, ItemPosition ip, ItemPosition old, ISkillArgs args)
{
if (fromIn.CanExchange(old, ip) && fromIn.IsCanDrop(old, args))
{
fromIn.ExchangeItemPosition(old, ip);
HandleMoveAction(fromIn, toIn, fromUI, toUI, ip, args, true);
HandleMoveAction(toIn, fromIn, toUI, fromUI, old, args, true);
HandleMoveAction(fromIn, toIn, fromUI, toUI, ip, args, false);
HandleMoveAction(toIn, fromIn, toUI, fromUI, old, args, false);
if (fromIn == toIn)
{
fromUI.UpdateItem(args, fromIn, old);
fromUI.UpdateItem(args, fromIn, ip);
}
else
{
fromUI.AddItem(args, fromIn, old);
toUI.AddItem(args, toIn, ip);
}
}
else
{
fromIn.ChangePosition(ip, fromIn, ip.GetX(), ip.GetY());
if (fromUI.CanNotMoveAction != null)
{
fromUI.CanNotMoveAction.Act(args);
}
fromUI.UpdateItem(args, fromIn, ip);
}
}