Half-life 2 Source code leaked?

[StellaArtois]

Entire halflife 2 source 3D engine source code leaked??

http://www.halflife2.net/forums/showthread.php?s=&threadid=10591

 

[991060]

this is really bad for valve,people can know what they did in the engine.
the code is a mess,including some old part borrowed from HL1 and CS,but there're sth interesting included as well.

 

[Hyp-X]

http://www.beyond3d.com/forum/viewtopic.php?p=174859