Function LoadObj

Chapter_39/tiny_obj_loader.h:2095–2129

	}

	bool LoadObj(attrib_t *attrib, std::vector<shape_t> *shapes,
		std::vector<material_t> *materials, std::string *warn,
		std::string *err, const char *filename, const char *mtl_basedir,
		bool trianglulate, bool default_vcols_fallback) {
		attrib->vertices.clear();
		attrib->normals.clear();
		attrib->texcoords.clear();
		attrib->colors.clear();
		shapes->clear();

		std::stringstream errss;

		std::ifstream ifs(filename);
		if (!ifs) {
			errss << "Cannot open file [" << filename << "]" << std::endl;
			if (err) {
				(*err) = errss.str();
			}
			return false;
		}

		std::string baseDir = mtl_basedir ? mtl_basedir : "";
		if (!baseDir.empty()) {
#ifndef _WIN32
			const char dirsep = '/';
#else
			const char dirsep = '\\';
#endif
			if (baseDir[baseDir.length() - 1] != dirsep) baseDir += dirsep;
		}
		MaterialFileReader matFileReader(baseDir);

		return LoadObj(attrib, shapes, materials, warn, err, &ifs, &matFileReader,
			trianglulate, default_vcols_fallback);
	}

	bool LoadObj(attrib_t *attrib, std::vector<shape_t> *shapes,
		std::vector<material_t> *materials, std::string *warn,