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/* ----------------------------------------------------------------------- *
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 * This file is part of GEL, http://www.imm.dtu.dk/GEL
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#include <fstream>
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 * Copyright (C) the authors and DTU Informatics
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#include <string>
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 * For license and list of authors, see ../../doc/intro.pdf
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 * ----------------------------------------------------------------------- */
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#include "x3d_save.h"
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#include "x3d_save.h"
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#include <fstream>
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#include <vector>
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#include <CGLA/Vec3f.h>
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#include "Manifold.h"
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#include "HMesh/FaceCirculator.h"
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#include "AttributeVector.h"
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namespace HMesh
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namespace HMesh
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{
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{
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	using namespace std;
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    using namespace std;
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	using namespace CGLA;
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    using namespace CGLA;
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	using namespace HMesh;
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	namespace
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    namespace
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	{
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    {
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		const string X3D_BEGIN =
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        const string X3D_BEGIN =
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		"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
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            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
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		"<!DOCTYPE X3D PUBLIC \"http://www.web3D.org/TaskGroups/x3d/translation/x3d-compact.dtd\"\n"
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            "<!DOCTYPE X3D PUBLIC \"http://www.web3D.org/TaskGroups/x3d/translation/x3d-compact.dtd\"\n"
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		"\"/www.web3d.org/TaskGroups/x3d/translation/x3d-compact.dtd\">\n"
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            "\"/www.web3d.org/TaskGroups/x3d/translation/x3d-compact.dtd\">\n"
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		"<X3D>\n"
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            "<X3D>\n"
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		"  <head>\n"
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            "  <head>\n"
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		"  </head>\n"
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            "  </head>\n"
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		"  <Scene>\n"
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            "  <Scene>\n"
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		"		<Viewpoint description=\"Pyramid\" orientation=\"0 1 0 .2\" position=\"4 0 25\"/>\n"
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            "		<Viewpoint description=\"Pyramid\" orientation=\"0 1 0 .2\" position=\"4 0 25\"/>\n"
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		"    <NavigationInfo type=\"EXAMINE ANY\"/>\n";
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            "    <NavigationInfo type=\"EXAMINE ANY\"/>\n";
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		const string X3D_END =
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        const string X3D_END =
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		"  </Scene>\n"
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            "  </Scene>\n"
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		"</X3D>\n";
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            "</X3D>\n";
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	}
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    }
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	bool x3d_save(const std::string& filename, Manifold& m)
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    bool x3d_save(const std::string& filename, Manifold& m)
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	{
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    {
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		ofstream os(filename.data());
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        ofstream os(filename.data());
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        if(os.bad()){
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		if(os.bad()) return false;
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            return false;
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        }
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		os << X3D_BEGIN << endl;
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        os << X3D_BEGIN << "\n";
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		os << "<Shape>\n"
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        os << "<Shape>\n"
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			 << "<Appearance>\n"
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            << "<Appearance>\n"
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			 << "<Material diffuseColor=\"0.8 0.8 0.2\" specularColor=\"0 0 0.5\"/>\n"
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            << "<Material diffuseColor=\"0.8 0.8 0.2\" specularColor=\"0 0 0.5\"/>\n"
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			 << "</Appearance>\n";
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            << "</Appearance>\n";
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		os <<  "<Coordinate point=\"" << endl;
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        os <<  "<Coordinate point=\"" << "\n";
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		vector<int> touch(m.no_vertices());
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        VertexAttributeVector<int> vmap(m.allocated_vertices());
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		int max_vertex_idx=0;
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        int k = 0;
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		for(VertexIter vi = m.vertices_begin(); vi != m.vertices_end();
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        for(VertexIDIterator v = m.vertices_begin(); v != m.vertices_end(); ++v){
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				++vi,++max_vertex_idx)
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			{
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				touch[max_vertex_idx] = vi->touched;
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				vi->touched = max_vertex_idx;
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				Vec3f p = vi->pos;
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            Vec3d p = m.pos(*v);
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				os << p[0] << " " << p[1] << " " << p[2] << "\n";
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            os << p[0] << " " << p[1] << " " << p[2] << "\n";
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            vmap[*v] = k++;
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			}
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        }
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		os << "\"/>" << endl;
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        os << "\"/>" << "\n";
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		os << "<IndexedFaceSet coordIndex=\"" << endl;
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        os << "<IndexedFaceSet coordIndex=\"" << endl;
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		for(FaceIter fi = m.faces_begin();fi != m.faces_end(); ++fi)
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        for(FaceIDIterator f =  m.faces_begin(); f != m.faces_end(); ++f){
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			{
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				std::vector<int> verts;
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            vector<int> verts;
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				for(FaceCirculator fc(fi);!fc.end();++fc)
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            for(Walker w = m.walker(*f); !w.full_circle(); w = w.circulate_face_ccw()){
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					{
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						int vertex_idx = fc.get_vertex()->touched;
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						if(vertex_idx >= max_vertex_idx)
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                int idx = vmap[w.vertex()];
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							{
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								cout << vertex_idx  << " " << max_vertex_idx << 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 < max_vertex_idx);
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                assert(static_cast<size_t>(idx) < m.no_vertices());
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								verts.push_back(vertex_idx);
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                verts.push_back(idx);
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							}
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            }
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					}
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				//assert(verts.size()==3);
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            //assert(verts.size()==3);
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				for(size_t i=0;i<verts.size();++i)
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            for(size_t i = 0; i < verts.size(); ++i){
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					os << verts[i] << " ";
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                os << verts[i] << " ";
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            }
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				os << " -1\n";
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            os << " -1\n";
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			}
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        }
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		os << "\">" << endl;
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        os << "\">" << "\n";
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		os << "</IndexedFaceSet>\n"
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        os << "</IndexedFaceSet>\n"
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			 << "</Shape>\n";
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            << "</Shape>\n";
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		os << X3D_END << endl;
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        os << X3D_END << "\n";
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		max_vertex_idx=0;
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		for(VertexIter vi = m.vertices_begin(); vi != m.vertices_end(); ++vi,
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					++max_vertex_idx)
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			vi->touched = touch[max_vertex_idx];
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		return false;
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        return true;
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	}
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    }
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}
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}