| 30 | */ |
| 31 | |
| 32 | static void loadObj(const std::string &filename, std::vector<Vec3f> *x, std::vector<MeshFaceIndices> *faces, std::vector<Vec3f> *normals, std::vector<Vec2f> *texcoords, const Vec3f &scale) |
| 33 | { |
| 34 | LOG_INFO << "Loading " << filename; |
| 35 | |
| 36 | std::ifstream filestream; |
| 37 | filestream.open(filename.c_str()); |
| 38 | if (filestream.fail()) |
| 39 | { |
| 40 | LOG_ERR << "Failed to open file: " << filename; |
| 41 | return; |
| 42 | } |
| 43 | |
| 44 | std::string line_stream; |
| 45 | bool vt = false; |
| 46 | bool vn = false; |
| 47 | |
| 48 | std::vector<std::string> pos_buffer; |
| 49 | std::vector<std::string> f_buffer; |
| 50 | |
| 51 | while (getline(filestream, line_stream)) |
| 52 | { |
| 53 | std::stringstream str_stream(line_stream); |
| 54 | std::string type_str; |
| 55 | str_stream >> type_str; |
| 56 | |
| 57 | if (type_str == "v") |
| 58 | { |
| 59 | Vec3f pos; |
| 60 | pos_buffer.clear(); |
| 61 | std::string parse_str = line_stream.substr(line_stream.find("v") + 1); |
| 62 | StringTools::tokenize(parse_str, pos_buffer); |
| 63 | for (unsigned int i = 0; i < 3; i++) |
| 64 | pos[i] = stof(pos_buffer[i]) * scale[i]; |
| 65 | |
| 66 | x->push_back(pos); |
| 67 | } |
| 68 | else if (type_str == "vt") |
| 69 | { |
| 70 | if (texcoords != nullptr) |
| 71 | { |
| 72 | Vec2f tex; |
| 73 | pos_buffer.clear(); |
| 74 | std::string parse_str = line_stream.substr(line_stream.find("vt") + 2); |
| 75 | StringTools::tokenize(parse_str, pos_buffer); |
| 76 | for (unsigned int i = 0; i < 2; i++) |
| 77 | tex[i] = stof(pos_buffer[i]); |
| 78 | |
| 79 | texcoords->push_back(tex); |
| 80 | vt = true; |
| 81 | } |
| 82 | } |
| 83 | else if (type_str == "vn") |
| 84 | { |
| 85 | if (normals != nullptr) |
| 86 | { |
| 87 | Vec3f nor; |
| 88 | pos_buffer.clear(); |
| 89 | std::string parse_str = line_stream.substr(line_stream.find("vn") + 2); |