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#include <fstream>
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#include <string>
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#include "obj_save.h"
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#include "HMesh/FaceCirculator.h"
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namespace HMeshUtil
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{
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	using namespace std;
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	using namespace CGLA;
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	using namespace HMesh;
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	bool obj_save(const std::string& filename, Manifold& m)
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	{
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		ofstream os(filename.data());
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		if(os.bad()) return false;
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		int k=1;
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		for(VertexIter vi = m.vertices_begin(); vi != m.vertices_end(); ++vi,++k)
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			{
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				vi->touched = k;
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				Vec3f p = vi->pos;
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				os << "v "<< p[0] << " " << p[1] << " " << p[2] << "\n";
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			}
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		for(FaceIter fi = m.faces_begin();fi != m.faces_end(); ++fi)
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			{
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				std::vector<int> verts;
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				for(FaceCirculator fc(fi);!fc.end();++fc)
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					{
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						int vertex_idx = fc.get_vertex()->touched;
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						if(vertex_idx >= k)
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							{
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								cout << vertex_idx  << " " << k << endl;
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								verts.push_back(0);
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							}
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						else
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							{
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								assert(vertex_idx < k);
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								verts.push_back(vertex_idx);
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							}
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					}
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				assert(verts.size()==3);
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				for(int i=1;i<(verts.size()-1);++i)
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					{
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						os << "f ";
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						os << verts[0] << " " << verts[i] << " " << verts[i+1] << "\n";
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					}
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			}
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	}
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}