Quote Originally Posted by IzNoGoD View Post
Cant it be that the bulletpenetration is a property of the weaponfile, so you can edit the weaponfile to set something like "wallpenetration" to 0? (never did cod4, but this seems logical...)
bulletpen can be influenced by a file its sth like hitloc table and i guess itrs in the mp folder
there you can set different penetration depths for the surfaces

or you check if the if( iDFlags & level.iDFlags_Bulletpen ) and change it there in CodeCallback_PlayerDamage

just a guess