Youssef Assem
78 lines
3.0 KiB
C++
78 lines
3.0 KiB
C++
#include "ColladaModel.h"
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ColladaModel::ColladaModel(const char* filename) : faces_(), vertices_(), normals_()
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{
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tinyxml2::XMLDocument doc;
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doc.LoadFile(filename);
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///////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////faces//////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////////////////////////////
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face_count = 0;
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tinyxml2::XMLElement* xml_face = doc.FirstChildElement("COLLADA")->FirstChildElement("library_geometries")->FirstChildElement("geometry")->FirstChildElement("mesh")->FirstChildElement("triangles");
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xml_face->QueryIntAttribute("count", &face_count); //get count
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std::stringstream str_triangle(xml_face->FirstChildElement("p")->GetText()); //get values as a string
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for (int i = 0; i < face_count; i++)
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{
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faces_.push_back(std::vector<Vec3i>());
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for (int j = 0; j < 3; j++)
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{
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Vec3i temp;
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str_triangle >> temp.x;
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str_triangle >> temp.y;
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str_triangle >> temp.z;
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faces_[i].push_back(temp);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////vertex/////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////////////////////////////
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vertex_count = 0;
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tinyxml2::XMLElement* xml_vertex = doc.FirstChildElement("COLLADA")->FirstChildElement("library_geometries")->FirstChildElement("geometry")->FirstChildElement("mesh")->FirstChildElement("source")->FirstChildElement("float_array");
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xml_vertex->QueryIntAttribute("count", &vertex_count);
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std::stringstream str_vertex(xml_vertex->GetText());
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for (int i = 0; i < vertex_count / 3; i++)
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{
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Vec3f temp;
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str_vertex >> temp.x;
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str_vertex >> temp.y;
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str_vertex >> temp.z;
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vertices_.push_back(temp);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////normal////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////////////////////////////
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normal_count = 0;
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tinyxml2::XMLElement* xml_normal = doc.FirstChildElement("COLLADA")->FirstChildElement("library_geometries")->FirstChildElement("geometry")->FirstChildElement("mesh")->FirstChildElement("source")->NextSiblingElement()->FirstChildElement("float_array");
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xml_normal->QueryIntAttribute("count", &normal_count);
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std::stringstream str_normal(xml_normal->GetText());
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for (int i = 0; i < normal_count / 3; i++)
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{
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Vec3f temp;
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str_normal >> temp.x;
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str_normal >> temp.y;
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str_normal >> temp.z;
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normals_.push_back(temp);
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}
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}
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ColladaModel::~ColladaModel() {
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}
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std::vector<Vec3i> ColladaModel::face(int idx) {
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return faces_[idx];
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}
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Vec3f ColladaModel::vertex(int i) {
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return vertices_[i];
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}
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int ColladaModel::nvertices() {
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return vertex_count;
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}
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int ColladaModel::nfaces() {
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return face_count;
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} |