#ifndef _AmEdge
#define _AmEdge
//
// Class:    AmEdge
//
// Description:
//              The object of this class represents an edge 
//              with one field pointing to another edge.
//
//              AmEdge:
//                          ---------------
//                          | fEdgeId     |
//                          ---------------
//                          | fStartIndex |
//                          ---------------
//                          | fEndIndex   |
//                          ---------------
//                          | fNextEdge   |
//                          ---------------
//                               |
//
//
/*
//-
// ==========================================================================
// Copyright (C) 1995 - 2006 Autodesk, Inc. and/or its licensors.  All 
// rights reserved.
//
// The coded instructions, statements, computer programs, and/or related 
// material (collectively the "Data") in these files contain unpublished 
// information proprietary to Autodesk, Inc. ("Autodesk") and/or its 
// licensors, which is protected by U.S. and Canadian federal copyright 
// law and by international treaties.
//
// The Data is provided for use exclusively by You. You have the right 
// to use, modify, and incorporate this Data into other products for 
// purposes authorized by the Autodesk software license agreement, 
// without fee.
//
// The copyright notices in the Software and this entire statement, 
// including the above license grant, this restriction and the 
// following disclaimer, must be included in all copies of the 
// Software, in whole or in part, and all derivative works of 
// the Software, unless such copies or derivative works are solely 
// in the form of machine-executable object code generated by a 
// source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND. 
// AUTODESK DOES NOT MAKE AND HEREBY DISCLAIMS ANY EXPRESS OR IMPLIED 
// WARRANTIES INCLUDING, BUT NOT LIMITED TO, THE WARRANTIES OF 
// NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR 
// PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE, OR 
// TRADE PRACTICE. IN NO EVENT WILL AUTODESK AND/OR ITS LICENSORS 
// BE LIABLE FOR ANY LOST REVENUES, DATA, OR PROFITS, OR SPECIAL, 
// DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES, EVEN IF AUTODESK 
// AND/OR ITS LICENSORS HAS BEEN ADVISED OF THE POSSIBILITY 
// OR PROBABILITY OF SUCH DAMAGES.
//
// ==========================================================================
//+
*/

class AmEdge {

public:

	AmEdge               ( );
	~AmEdge              ( );
	
	void setEdge         ( int edgeId, int startIndex, int endIndex,
						   double *startNormal, double *endNormal );

	int edgeId           ( );
	int startIndex       ( );
	int endIndex         ( );
	double *startNormal  ( );
	double *endNormal	 ( );
	
	int hardEdge     ( );
	void hardenEdge      ( );
	
	void setNextEdge     ( AmEdge * );
	AmEdge *nextEdge     ( );

	void printEdge       ( int counter );
private:

	int      fEdgeId;      // index to the edge
	int      fStartIndex;  // index of the start vertex
	int      fEndIndex;    // index of the end vertex
	double	 fStartNormal[3];
	double   fEndNormal[3];
	bool	 fHardEdge;
	AmEdge   *fNextEdge;   // next edge in the edge list
};

#endif /* _AmEdge */