public class ClientProxy extends CommonProxy {
@Override
public void registerHandlers() {
super.registerHandlers();
FMLCommonHandler.instance().bus().register(new KeyInputHandler());
if(ConfigurationBackpack.RENDER_BACKPACK_MODEL) {
EventHandlerClientOnly eventHandlerClient = new EventHandlerClientOnly();
MinecraftForge.EVENT_BUS.register(eventHandlerClient);
FMLCommonHandler.instance().bus().register(eventHandlerClient);