GuiHandler

public class SporksGuiHandler implements IGuiHandler{
    public static final int FEEDER_GUI_ID = 0;

    @Override
    public Object getServerGuiElement(int ID, EntityPlayer player, World world, int x, int y, int z) {
        player.addChatComponentMessage(new ChatComponentText("ServerElement called"));
        if (ID == FEEDER_GUI_ID)
            return new ContainerFeeder(player.inventory, (TileEntityFeeder) world.getTileEntity(x, y, z));

        return null;
    }

    @Override
    public Object getClientGuiElement(int ID, EntityPlayer player, World world, int x, int y, int z) {
        //if (ID == FEEDER_GUI_ID)
            player.addChatComponentMessage(new ChatComponentText("getClientGuiElement called, and "+world.getTileEntity(x, y, z)));
            return new ContainerFeeder(player.inventory, (TileEntityFeeder) world.getTileEntity(x,y,z));
    }
}