//Change Meta
    public boolean onBlockActivated(World worldIn, BlockPos pos, IBlockState state, EntityPlayer playerIn, EnumHand hand, @Nullable ItemStack heldItem, EnumFacing side, float hitX, float hitY, float hitZ)
    {
    	 if (IntegratedBlocks.bookcases.getDefaultState().withProperty(BlockBookcaseMulti.TYPE, EnumBookshelf.one1) != null)
         {
         		System.out.println("hi");

                 if(heldItem.getItem() == Items.BOOK)
                 {
                 	System.out.println("changed into 1");
                 	worldIn.setBlockState(pos,  IntegratedBlocks.bookcases.getDefaultState(), 4);
                 	return true;
                 }

         }
         if (((EnumBookshelf)state.getValue(TYPE)).getMetadata() == 4)
         {
        	 if(heldItem.getItem() == Items.BOOK)
             {
             	System.out.println("changed into 2");
             	worldIn.setBlockState(pos,  IntegratedBlocks.bookcases.getDefaultState(), 5);
             	return true;
             }
         }

         if (((EnumBookshelf)state.getValue(TYPE)).getMetadata() == 5)
         {
        	 if(heldItem.getItem() == Items.BOOK)
             {
             	System.out.println("changed into 3");
             	worldIn.setBlockState(pos,  IntegratedBlocks.bookcases.getDefaultState(), 6);
             	return true;
             }
         }

         else
         {
             worldIn.setBlockToAir(pos);
             return true;
         }
         return true;
    }