case MailboxGUI:
return new GuiMailbox(player.inventory, (MachineMailbox) getTileForestry(world, x, y, z));
case PhilatelistGUI:
return new GuiPhilatelist(player.inventory, (MachinePhilatelist) getTileForestry(world, x, y, z));
case TraderGUI:
return new GuiTrader(player.inventory, (MachineTrader) getTileForestry(world, x, y, z));
case TraderNameGUI:
return new GuiTradeName(player.inventory, (MachineTrader) getTileForestry(world, x, y, z));
default:
return null;