vcglib/wrap/io_trimesh/import_smf.h

/****************************************************************************
* VCGLib                                                            o o     *
* Visual and Computer Graphics Library                            o     o   *
*                                                                _   O  _   *
* Copyright(C) 2004                                                \/)\/    *
* Visual Computing Lab                                            /\/|      *
* ISTI - Italian National Research Council                           |      *
*                                                                    \      *
* All rights reserved.                                                      *
*                                                                           *
* This program is free software; you can redistribute it and/or modify      *   
* it under the terms of the GNU General Public License as published by      *
* the Free Software Foundation; either version 2 of the License, or         *
* (at your option) any later version.                                       *
*                                                                           *
* This program is distributed in the hope that it will be useful,           *
* but WITHOUT ANY WARRANTY; without even the implied warranty of            *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt)          *
* for more details.                                                         *
*                                                                           *
****************************************************************************/
/****************************************************************************
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****************************************************************************/
#ifndef __VCGLIB_IMPORTERSMF
#define __VCGLIB_IMPORTERSMF

#include <map>

namespace vcg {
namespace tri {
namespace io {

template <class MESHTYPE>
int Load_Smf( MESHTYPE & m, const char * filename )
	{
		typedef typename MESHTYPE::VertexPointer VertexPointer;
		typedef typename MESHTYPE::VertexType VertexType;
		typedef typename MESHTYPE::FaceType FaceType;
		typedef typename MESHTYPE::VertexIterator VertexIterator;
		typedef typename MESHTYPE::FaceIterator FaceIterator;
		char buf[1024];
		FILE *fp;
		float x,y,z;
		bool one = true;
		std::map<int,VertexPointer> mv;
		fp = fopen(filename,"r");
		if(!fp) return -1;
		VertexType v;
		v.Supervisor_Flags() = 0;
		FaceType f;
		f.Supervisor_Flags() = 0;
		while( fgets(buf,1024,fp) )
		{
		char *vf, *comm_pt;
		if((comm_pt = strstr(buf,"#")) != NULL)
			*comm_pt = '\0';
		if( (vf = strstr(buf,"v")) != NULL )
			{
				sscanf(vf+1,"%f %f %f", &x, &y, &z);
				v.P()[0] = x;
				v.P()[1] = y;
				v.P()[2] = z;
				m.vert.push_back(v);
			}
		else if( (vf = strstr(buf,"f")) != NULL)
			{
				if(one)
				{
					VertexIterator vi;
					int ind;
					for(ind=1,vi=m.vert.begin(); vi!=m.vert.end(); ++vi,++ind)
					mv[ind]=&*vi;
					one = false;
				}
				int v1,v2,v3;
				sscanf(vf+1,"%d %d %d", &v1, &v2, &v3);
				f.V(0) = mv[v1];
				f.V(1) = mv[v2];
				f.V(2) = mv[v3];
				m.face.push_back(f);
			}
		}
		m.vn = m.vert.size();
		m.fn = m.face.size();
		return 0;
}

		};// end of io
	};// end of tri
};// end of vcg

#endif