case 21:
EntityRobit robit = (EntityRobit)world.getEntityByID(x);
if(robit != null)
{
return new GuiRobitMain(player.inventory, robit);
}
case 22:
return new GuiRobitCrafting(player.inventory, world, x);
case 23:
EntityRobit robit1 = (EntityRobit)world.getEntityByID(x);