text: #pragma once
  namespace NSNav
  {
  	class CNSNavEdge
  	{
  	public:
  		unsigned int mPtIndex[2];
  		mutable CNSSegment	mSegment;
  		mutable bool		mSegmentDirty;
  		CNSNavBsp*			mpBspLayer;
  
  	public:
  		CNSNavEdge( CNSNavBsp* pLayer = NULL, unsigned int p1 = -1, unsigned int p2 = -1 );
  		CNSSegment& getSegment( ) const;
  	};
  }