TF2 NavFile Reader
How to use:
1.) Include CNavFile.h
2.) Instantiate CNavFile, map name argument in constructor is intended to work with level name from engine->GetLevelName() or with "mapname" string from "server_spawn" GameEvent
3.) Check if m_isOK -> no errors while reading
4.) Done!
License: http://www.wtfpl.net/txt/copying/
Credits: Source Engine SDK by Valve -> cool and good header files