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Rev 102 Rev 136
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27 
using namespace HMesh;
 27 
using namespace HMesh;
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 28 
 
29 
namespace HMeshUtil
 29 
namespace HMeshUtil
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{
 30 
{
31 
 
 31 
 
32 
  namespace
 32 
		namespace
33 
  {
 33 
		{
34 
		vector<int> faces;
 34 
				vector<int> faces;
35 
		vector<int> indices;
 35 
				vector<int> indices;
36 
		vector<Vec3f> vertices;
 36 
				vector<Vec3f> vertices;
37 
 
 37 
 
38 
    void coord_index_to_face_vec(const vector<int>& coord_index,
38 
				void coord_index_to_face_vec(const vector<int>& coord_index,
39 
																 vector<int>& faces,
 39 
																		 vector<int>& faces,
40 
																 vector<int>& indices)
 40 
																		 vector<int>& indices)
41 
    {
 - 
 
42 
      int tri=0;
 - 
 
43 
      Face face;
 - 
 
44 
			int k=0;
 - 
 
45 
      for(int i=0;i<coord_index.size();i++)
- 
 
46 
				{
 41 
				{
47 
					int idx = coord_index[i];
 42 
						Face face;
48 
					if (idx==-1)
43 
						size_t k=0;
- 
 
 44 
						for(size_t i=0;i<coord_index.size();i++)
49 
						{
 45 
						{
- 
 
 46 
								int idx = coord_index[i];
- 
 
 47 
								if (idx==-1)
- 
 
 48 
								{
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							faces.push_back(k);
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										faces.push_back(k);
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							k=0;
 50 
										k=0;
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						}
 51 
								}
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					else
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								else
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						{
 53 
								{
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							indices.push_back(idx);
 54 
										indices.push_back(idx);
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							++k;
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										++k;
- 
 
 56 
								}
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						}
 57 
						}
58 
				}
 58 
				}
59 
    }
 - 
 
60 
 
 59 
 
61 
  }
 60 
		}
62
61
63 
  void startElement(void *userData, const char *name, const char **atts)
62 
		void startElement(void *userData, const char *name, const char **atts)
64 
  {
 63 
		{
65 
    if (strcmp(name,"IndexedFaceSet")==0)
 64 
				if (strcmp(name,"IndexedFaceSet")==0)
66 
      {
 65 
				{
67 
				int j=0;
 66 
						int j=0;
68 
				while (atts[j]!=0) {
 67 
						while (atts[j]!=0) {
69 
					if (strcmp(atts[j],"coordIndex")==0)
68 
								if (strcmp(atts[j],"coordIndex")==0)
70 
						{
69 
								{
71 
							vector<int> coord_index;
 70 
										vector<int> coord_index;
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							parse(atts[++j],coord_index);
 71 
										parse(atts[++j],coord_index);
73 
							coord_index_to_face_vec(coord_index, faces, indices);
 72 
										coord_index_to_face_vec(coord_index, faces, indices);
- 
 
 73 
								}
- 
 
 74 
								j++;
74 
						}
75 
						}
- 
 
 76 
				}
- 
 
 77 
				else if (strcmp(name,"Shape")==0)
- 
 
 78 
				{
- 
 
 79 
						cout << "Found shape" << endl;
- 
 
 80 
				}
- 
 
 81 
				else if (strcmp(name,"Coordinate")==0)
- 
 
 82 
				{
- 
 
 83 
						int j=0;
- 
 
 84 
						while (atts[j]!=0)
- 
 
 85 
						{
- 
 
 86 
								if (strcmp(atts[j],"point")==0) {
- 
 
 87 
										parse(atts[++j],vertices);
- 
 
 88 
								}
75 
					j++;
 89 
								j++;
- 
 
 90 
						}
76 
				}
 91 
				}
77 
      }
92 
		}
- 
 
 93 
 
- 
 
 94 
		void endElement(void *userData, const char *name)
- 
 
 95 
		{
78 
    else if (strcmp(name,"Shape")==0)
96 
				if (strcmp(name,"Shape")==0)
79 
      {
 97 
				{
80 
				cout << "Found shape" << endl;
 98 
						cout << "Shape ends" << endl;
81 
      }
 99 
				}
- 
 
 100 
		}
- 
 
 101 
 
82 
    else if (strcmp(name,"Coordinate")==0)
102 
		int find_last_of(const std::string& F, const std::string& C)
83 
      {
103 
		{
- 
 
 104 
				size_t pos = F.find_last_of(C);
- 
 
 105 
				if (pos == string::npos)
84 
				int j=0;
 106 
						return -1;
85 
				while (atts[j]!=0)
107 
				return pos;
- 
 
 108 
		}
- 
 
 109 
 
- 
 
 110 
		bool x3d_load(const std::string& filename, Manifold& mani)
86 
					{
 111 
		{
- 
 
 112 
				faces.clear();
- 
 
 113 
				indices.clear();
- 
 
 114 
				vertices.clear();
- 
 
 115 
 
- 
 
 116 
				Timer tim;
- 
 
 117 
				tim.start();
- 
 
 118 
 
- 
 
 119 
				std::string baseurl;
- 
 
 120 
				int idx = s_max(find_last_of(filename, "\\"),
87 
						if (strcmp(atts[j],"point")==0) {
121 
												find_last_of(filename, "/"));
- 
 
 122 
 
- 
 
 123 
 
- 
 
 124 
				if(idx != -1)
- 
 
 125 
						baseurl = std::string(filename.substr(0, idx+1));
- 
 
 126 
 
- 
 
 127 
 
88 
							parse(atts[++j],vertices);
 128 
				XML_Parser parser = XML_ParserCreate(NULL);
- 
 
 129 
				int done=0;
- 
 
 130 
				XML_SetElementHandler(parser, startElement, endElement);
- 
 
 131 
 
89 
						}
132 
				int in;
- 
 
 133 
				if ((in=open(filename.data(),O_RDONLY)) == -1) {
- 
 
 134 
						cout << "Error. "<<  filename << " not found" << endl;
90 
					j++;
 135 
						assert(0);
- 
 
 136 
						return false;
91 
				}
 137 
				}
92 
			}
 - 
 
93 
	}
 - 
 
94 
 
 138 
 
95 
  void endElement(void *userData, const char *name)
- 
 
96 
  {
 - 
 
97 
    if (strcmp(name,"Shape")==0)
- 
 
98 
      {
 - 
 
99 
				cout << "Shape ends" << endl;
- 
 
100 
      }
- 
 
101 
  }
 - 
 
102 
 
 - 
 
103 
  bool x3d_load(const std::string& filename, Manifold& mani)
- 
 
104 
  {
 - 
 
105 
		faces.clear();
 - 
 
106 
		indices.clear();
 - 
 
107 
		vertices.clear();
 - 
 
108 
 
 - 
 
109 
    Timer tim;
 - 
 
110 
    tim.start();
 - 
 
111 
 
 - 
 
112 
    std::string baseurl;
 - 
 
113 
#define FIND_LAST_OF(F,C) (int)(F.find_last_of(C) == string::npos ? -1 : F.find_last_of(C))
- 
 
114 
    int idx = max(FIND_LAST_OF(filename, "\\"), FIND_LAST_OF(filename, "/"));
 - 
 
115 
#undef FIND_LAST_OF
 - 
 
116 
 
 - 
 
117 
    if(idx != -1)
 - 
 
118 
      baseurl = std::string(filename.substr(0, idx+1));
 - 
 
119 
 
 - 
 
120 
 
 - 
 
121 
    XML_Parser parser = XML_ParserCreate(NULL);
 - 
 
122 
    int done=0;
 - 
 
123 
    XML_SetElementHandler(parser, startElement, endElement);
 - 
 
124 
 
 - 
 
125 
    int in;
 - 
 
126 
    if ((in=open(filename.data(),O_RDONLY)) == -1) {
 - 
 
127 
      cout << "Error. "<<  filename << " not found" << endl;
 - 
 
128 
      assert(0);
 - 
 
129 
      return false;
 - 
 
130 
    }
 - 
 
131 
 
 - 
 
132 
    struct stat stat_buf;
 139 
				struct stat stat_buf;
133 
    fstat(in, &stat_buf);
 140 
				fstat(in, &stat_buf);
134 
 
 141 
 
135 
    const int BUF_SIZE = s_min(5000000, static_cast<int>(stat_buf.st_size));
 142 
				const size_t BUF_SIZE = s_min(5000000, static_cast<int>(stat_buf.st_size));
136 
    char* buf2 = new char[BUF_SIZE];
 143 
				char* buf2 = new char[BUF_SIZE];
137 
    size_t len;
 144 
				size_t len;
138 
    do {
 145 
				do {
139 
      len = read(in, buf2, BUF_SIZE);
 146 
						len = read(in, buf2, BUF_SIZE);
140 
      if (len!=BUF_SIZE)
 147 
						if (len!=BUF_SIZE)
141 
				done=1;
 148 
								done=1;
142 
      if (!XML_Parse(parser, buf2, len, done)) {
 149 
						if (!XML_Parse(parser, buf2, len, done)) {
143 
				cerr << "%s at line %d\n"
150 
								cerr << "%s at line %d\n"
144 
						 << XML_ErrorString(XML_GetErrorCode(parser))
 151 
										 << XML_ErrorString(XML_GetErrorCode(parser))
145 
						 << XML_GetCurrentLineNumber(parser);
 152 
										 << XML_GetCurrentLineNumber(parser);
146 
				assert(0);
 153 
								assert(0);
147 
				return false;
 154 
								return false;
148 
      }
 155 
						}
149 
    } while (!done);
 156 
				} while (!done);
150 
    close(in);
 157 
				close(in);
151 
    XML_ParserFree(parser);
 158 
				XML_ParserFree(parser);
152 
    delete buf2;
 159 
				delete buf2;
153
160
154 
		build_manifold(mani, vertices.size(), &vertices[0], faces.size(),
 161 
				build_manifold(mani, vertices.size(), &vertices[0], faces.size(),
155 
									 &faces[0], &indices[0]);
 162 
											 &faces[0], &indices[0]);
156 
 
 163 
 
157 
    cout << " Loading took " << tim.get_secs() << endl;
 164 
				cout << " Loading took " << tim.get_secs() << endl;
158 
    return false;
 165 
				return false;
159 
  }
 166 
		}
160 
}
 167 
}