public boolean switchHeldItems(int newSlot) {
if (inventory.getCurrentHeldSlot() == newSlot) return true;
if (newSlot > 8) {
int hotbarSpace = 9;
for (int hotbarIndex = 0; hotbarIndex < 9; hotbarIndex++) {
ItemStack item = inventory.getItemAt(hotbarIndex);
if (item == null) {
hotbarSpace = hotbarIndex;
break;
} else if (ToolType.getById(item.getId()) == null && hotbarIndex < hotbarSpace)
hotbarSpace = hotbarIndex;
}
if (hotbarSpace == 9) hotbarSpace = 0;
inventory.selectItemAt(newSlot);
inventory.selectItemAt(hotbarSpace);
if (inventory.getSelectedItem() != null) inventory.selectItemAt(newSlot);
inventory.close();
newSlot = hotbarSpace;
}
inventory.setCurrentHeldSlot(newSlot);
return true;
}