} else {
slot.setDirty(true); // We need to tell the client that the operation was denied.
}
}
} else if (stackOnCursor.getTypeId() != stackInSlot.getTypeId() || stackOnCursor.getDurability() != stackInSlot.getDurability()) { // Exchange slot stack and cursor stack
SlotEvent s = new SlotExchangeEvent(p, slot, stackInSlot, stackOnCursor.clone(), !slot.onItemExchange(stackInSlot, stackOnCursor.clone()));
Bukkit.getPluginManager().callEvent(s);
if (!s.isCancelled()) {
slot.setItem(stackOnCursor.clone());
stackOnCursor = stackInSlot;
} else {