//Change Meta
	@Override
	public boolean onBlockActivated(World worldIn, BlockPos pos, IBlockState state, EntityPlayer playerIn, EnumHand hand, @Nullable ItemStack heldItem, EnumFacing side, float hitX, float hitY, float hitZ)
	{
		ItemStack stack = playerIn.getHeldItem(hand);
		ItemStack stacktoAdd = new ItemStack(Items.BOOK);

		final IBlockState set0 = IntegratedBlocks.bookcases.getDefaultState().withProperty(BlockBookcaseMulti.TYPE, EnumBookshelf.one1);  // Empty
		final IBlockState set1 = IntegratedBlocks.bookcases.getDefaultState().withProperty(BlockBookcaseMulti.TYPE, EnumBookshelf.two2);  // 1/3 full
		final IBlockState set2 = IntegratedBlocks.bookcases.getDefaultState().withProperty(BlockBookcaseMulti.TYPE, EnumBookshelf.two3);  // 2/3 full
		final IBlockState set3 = IntegratedBlocks.bookcases.getDefaultState().withProperty(BlockBookcaseMulti.TYPE, EnumBookshelf.three1);// full

		if(stack != null && playerIn.getHeldItemMainhand().getItem() == Items.BOOK)
		{
			if (state.getValue(BlockBookcaseMulti.TYPE) == EnumBookshelf.one1)
			{
				System.out.println("changed into +1");
				worldIn.setBlockState(pos, set1);
				--stack.stackSize;
				return true;
			}
			if (state.getValue(BlockBookcaseMulti.TYPE) == EnumBookshelf.two2)
			{
				System.out.println("changed into +2");
				worldIn.setBlockState(pos, set2);
				--stack.stackSize;
				return true;
			}
			if (state.getValue(BlockBookcaseMulti.TYPE) == EnumBookshelf.two3)
			{
				System.out.println("changed into +3");
				worldIn.setBlockState(pos, Blocks.BOOKSHELF.getDefaultState());
				--stack.stackSize;
				return true;
			}
			else
			{
				return false;
			}
		}
		if (stack == null && state.getValue(BlockBookcaseMulti.TYPE) == EnumBookshelf.two3)// 2/3 full
		{
			System.out.println("changed back into -2");
			worldIn.setBlockState(pos, set1);
			playerIn.inventory.addItemStackToInventory(stacktoAdd);
			return true;
		}
		if (stack == null && state.getValue(BlockBookcaseMulti.TYPE) == EnumBookshelf.two2) //back to empty
		{
			System.out.println("changed back into -1");
			worldIn.setBlockState(pos, set0);
			playerIn.inventory.addItemStackToInventory(stacktoAdd);
			return true;
		}
		else
		{
				return false;
		}
	}