[1.10.2] How to get the side of a block relative to how it is placed?

[RealTheUnderTaker11]

I want to make a tile entity that can only input/output on certain sides, but any time I use the EnumFacing's it does the facing in relation to the world. I'm not sure how to get say the "right  side" of a block I place, and the capability that goes with it. A lot of this probably comes from the fact I don't fully understand how the code that makes the block place facing the player works in the first place. If anyone could explain these things or link me somewhere that does it would be greatly appreciated.

 

This is the code I have that makes it place facing the player. If you guys could hint how I make this only do horizontal that would also be helpful. I haven't worked with vectors or anything like that so I'm not sure how any of that works.

public class StorageBlockBase extends BlockBase{

public static final PropertyDirection FACING = PropertyDirection.create("facing");

public StorageBlockBase(String name, Material material, float hardness, float resistance) 
{
	super(name, material, hardness, resistance);
	this.isBlockContainer=true;
	setDefaultState(blockState.getBaseState().withProperty(FACING, EnumFacing.NORTH));
}
public StorageBlockBase(String name)
{
	this(name, Material.IRON, 0.5f, 0.5f);
}

@Override
public boolean hasTileEntity(IBlockState state)
    {
        return true;
    }
//This should  be overridden in every actual block code.
@Override
public TileEntity createTileEntity(World world, IBlockState state)
    {
	return null;
    }

/////////BEGIN CODE TO MAKE IT FACE TOWARDS THE PLAYER WHEN PLACED/////////
@Override
    public void onBlockPlacedBy(World world, BlockPos pos, IBlockState state, EntityLivingBase placer, ItemStack stack) {
        world.setBlockState(pos, state.withProperty(FACING, getFacingFromEntity(pos, placer)), 2);
    }

public static EnumFacing getFacingFromEntity(BlockPos clickedBlock, EntityLivingBase entity) {
        return EnumFacing.getFacingFromVector(
             (float) (entity.posX - clickedBlock.getX()),
             0,//(float) (entity.posY - clickedBlock.getY()),
             (float) (entity.posZ - clickedBlock.getZ()));
    }

@Override
    public IBlockState getStateFromMeta(int meta) {
        return getDefaultState().withProperty(FACING, EnumFacing.getFront(meta & 7));
    }

    @Override
    public int getMetaFromState(IBlockState state) {
        return state.getValue(FACING).getIndex();
    }

    @Override
    protected BlockStateContainer createBlockState() {
        return new BlockStateContainer(this, FACING);
    }
    /////////END CODE TO MAKE IT FACE TOWARDS THE PLAYER WHEN PLACED/////////
}

[Draco18s]

EnumFacing rightSide = world.getBlockState(pos).getValue(FACING).rotate(Axis.UP);

 

There you go.