Broken?

BarrelHandler.java

package com.workshopcraft.simplebarrels.handlers;

import com.workshopcraft.simplebarrels.tiles.TileEntityBarrel;

import net.minecraft.inventory.InventoryHelper;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;
import net.minecraftforge.event.entity.player.PlayerInteractEvent;
import net.minecraftforge.event.entity.player.PlayerInteractEvent.LeftClickBlock;
import net.minecraftforge.event.entity.player.PlayerInteractEvent.RightClickBlock;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;

public class BarrelHandler {

	
	@SubscribeEvent
	public void RightClickBlock(PlayerInteractEvent event)
	{
		
		if (!event.getWorld().isRemote)
		{
		if (event instanceof RightClickBlock)
		{
		
			TileEntity te = (event.getWorld().getTileEntity(event.getPos()));
			if (te instanceof TileEntityBarrel)
			{
				TileEntityBarrel te2 = (TileEntityBarrel) te;
				if (te2.barrelContents[0] == null)
				{
					if (event.getItemStack() != null)
					{
						te2.barrelContents[0] = new ItemStack(event.getItemStack().getItem(),event.getItemStack().stackSize);
						//System.out.print("Added "+event.getItemStack().getDisplayName()+" to barrel");
						te2.count = event.getItemStack().stackSize;
						event.getEntityPlayer().inventory.mainInventory[event.getEntityPlayer().inventory.currentItem].stackSize=0;
						event.getEntityPlayer().inventory.inventoryChanged=true;
						//BarrelSyncClient m = new BarrelSyncClient(te2.barrelContents[0].getItem().getUnlocalizedName(),te2.barrelContents[0].stackSize,te2.getPos().getX(),te2.getPos().getY(),te2.getPos().getZ());
						//SimpleBarrels.BarrelNet.sendTo(m, (EntityPlayerMP) event.getEntityPlayer());
						this.updateBarrel(te2);
						event.setCanceled(true);
					}
				} else if (event.getItemStack()!=null) 
				{
					if (te2.barrelContents[0].getUnlocalizedName().equals(event.getItemStack().getUnlocalizedName()))
					{
						if (te2.barrelContents[0].getMetadata() == (event.getItemStack().getMetadata()))
						{
							
						
					//int r = (event.getItemStack().stackSize+te2.barrelContents[0].stackSize)-255;
						int r = event.getItemStack().stackSize+te2.count-te2.size;
					if (r<0)
					{
						//te2.barrelContents[0].stackSize = (event.getItemStack().stackSize+te2.barrelContents[0].stackSize);
						te2.count = (event.getItemStack().stackSize+te2.count);
						event.getEntityPlayer().inventory.mainInventory[event.getEntityPlayer().inventory.currentItem].stackSize=0;
						event.getEntityPlayer().inventory.inventoryChanged=true;
						this.updateBarrel(te2);
						//SimpleBarrels.BarrelNet.sendTo(new BarrelSyncClient(te2.barrelContents[0].getItem().getUnlocalizedName(),te2.barrelContents[0].stackSize,te2.getPos().getX(),te2.getPos().getY(),te2.getPos().getZ()), (EntityPlayerMP) event.getEntityPlayer());
						
						
					} else if (r<event.getItemStack().stackSize)
					{
						//te2.barrelContents[0].stackSize=255;
						te2.count = te2.maxsize;
						//event.getItemStack().stackSize=r;
						event.getEntityPlayer().inventory.mainInventory[event.getEntityPlayer().inventory.currentItem].stackSize=r;
						event.getEntityPlayer().inventory.inventoryChanged=true;
						//SimpleBarrels.BarrelNet.sendTo(new BarrelSyncClient(te2.barrelContents[0].getItem().getUnlocalizedName(),255,te2.getPos().getX(),te2.getPos().getY(),te2.getPos().getZ()), (EntityPlayerMP) event.getEntityPlayer());
						this.updateBarrel(te2);
					} else 
					{
						//r = unchanged. do nothing.
					}
						}
				}}
			}
		}
		} else
		{
			//handle right click of barrel. cancel event.
		}
	}
	public void updateBarrel(TileEntityBarrel t)
	{
		NBTTagCompound compound = new NBTTagCompound();
		t.writeToNBT(compound );
		t.markDirty();
		t.getWorld().notifyBlockUpdate(t.getPos(), t.getWorld().getBlockState(t.getPos()), t.getWorld().getBlockState(t.getPos()), 3);
		
	}
	@SubscribeEvent
	public void LeftClickBlock(PlayerInteractEvent event)
	{
		//this is for left click.
		if (!event.getWorld().isRemote)
		{
		TileEntity te = (event.getWorld().getTileEntity(event.getPos()));
		
		if (event instanceof LeftClickBlock)
		{
			
			if (te instanceof TileEntityBarrel)
			{
				
				TileEntityBarrel te2 = (TileEntityBarrel) te;
				if (te2.barrelContents[0] == null)
				{
					//do nothing
					
					return;
				
				} else
				//if (te2.barrelContents[0].stackSize<64)
				if (te2.count<64)
				{
					//EntityItem e = new EntityItem(event.getWorld(),event.getPos().getX(),event.getPos().getY(),event.getPos().getZ(),te2.barrelContents[0]);
					
					//event.getWorld().spawnEntityInWorld(e);
					ItemStack istack = new ItemStack(te2.barrelContents[0].getItem(),te2.barrelContents[0].stackSize,te2.barrelContents[0].getItemDamage());
					//istack.setItemDamage(te2.barrelContents[0].getItemDamage());
					InventoryHelper.spawnItemStack(event.getWorld(), event.getPos().getX(), event.getPos().getY()+1.0, event.getPos().getZ(),istack);
					
					//event.getEntityPlayer().inventory.inventoryChanged=true;
					te2.barrelContents[0] = null;
					te2.count = 0;
					//SimpleBarrels.BarrelNet.sendTo(new BarrelSyncClient(Items.APPLE.getUnlocalizedName(),0,te2.getPos().getX(),te2.getPos().getY(),te2.getPos().getZ()), (EntityPlayerMP) event.getEntityPlayer());
					updateBarrel(te2);
					event.setCanceled(true);
					return;
				
				
					//return all
				} else
				{
						InventoryHelper.spawnItemStack(event.getWorld(), event.getPos().getX(), event.getPos().getY()+1.0, event.getPos().getZ(),new ItemStack(te2.barrelContents[0].getItem(),64));
						//te2.barrelContents[0].stackSize-=64;
						te2.count -= 64;
						
						//if (te2.barrelContents[0].stackSize==0)
						if (te2.count == 0)
						{
							te2.barrelContents[0]= null;
							
							//BarrelSyncClient m = new BarrelSyncClient(Items.APPLE.getUnlocalizedName(),0,event.getPos().getX(),event.getPos().getY(),event.getPos().getZ());
							//SimpleBarrels.BarrelNet.sendTo(m, (EntityPlayerMP) event.getEntityPlayer());
							
							
						}
						updateBarrel(te2);
						event.setCanceled(true);
						//return stack
				}
			}
		}
	}}
	
}