[1.7.2] Get that door is upper or lower from metadata

[Sokaya]

Like in topic.

Thanks for help.

[Sokaya]

Not helpfull, these things looks different in code:(

[Draco18s]

Not helpfull, these things looks different in code:(

 

The two bits above are flags:

 

    0x8: If this bit is set, this is the top half of a door (else the lower half).

    0x4: If this bit is set, the door has swung counterclockwise around its hinge.

 

Do you not know how to use bit fields?

http://en.wikipedia.org/wiki/Bit_field

 

Edit: Sorry, that quoted section is from an old version, but the idea of bit fields is still accurate, just which field does what with which half of the door has changed.  The newer sections are longer and less succinct.

[Sokaya]

I know how, but why in code (metadata & for bottom return 8, no 1(like minecraft gamepedia says)?