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Changeset 3247 for GTP/trunk/App/Demos/Vis/FriendlyCulling/Converter
- Timestamp:
- 01/05/09 16:48:21 (16 years ago)
- Location:
- GTP/trunk/App/Demos/Vis/FriendlyCulling/Converter
- Files:
-
- 3 edited
-
ObjConverter.cpp (modified) (9 diffs)
-
ObjConverter.h (modified) (5 diffs)
-
main.cpp (modified) (2 diffs)
Legend:
- Unmodified
- Added
- Removed
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GTP/trunk/App/Demos/Vis/FriendlyCulling/Converter/ObjConverter.cpp
r3246 r3247 154 154 void ObjConverter::LoadShape(const VertexArray &faceVertices, 155 155 const VertexArray &faceNormals, 156 const vector<Texcoord> &faceTexcoords) 156 const vector<Texcoord> &faceTexcoords, 157 Material *mat) 157 158 { 158 159 int numElements = (int)faceVertices.size(); … … 167 168 geom->mTexcoordCount = (int)faceTexcoords.size(); 168 169 169 cout << "number of vertices=" << numElements << endl; 170 geom->mMaterial = mat; 171 172 cout << "new geometry #vts=" << numElements << endl; 170 173 171 174 for (int i = 0; i < numElements; ++ i) … … 244 247 } 245 248 249 Material *currentMat = NULL; 246 250 VertexArray faceVertices; 247 251 VertexArray faceNormals; … … 279 283 sscanf(str + 1, "%f %f %f", &x, &y, &z); 280 284 //const float scale = 5e-3f; 281 const float scale = 1.0f;285 const float scale = 5.0f; 282 286 vertices.push_back(SimpleVec(x * scale, y * scale, z* scale)); 283 287 //cout <<"v " << x << " " << y << " "<< z << " "; … … 294 298 faceVertices, faceNormals, faceTexcoords); 295 299 296 if (0 && 297 (((line % 1000) == 999) && !faceVertices.empty())) 300 break; 301 } // end face 302 case 'g': // load a new shape 303 { 304 if (!faceVertices.empty()) 298 305 { 299 306 ++ mNumShapes; 300 307 301 LoadShape(faceVertices, faceNormals, faceTexcoords );308 LoadShape(faceVertices, faceNormals, faceTexcoords, currentMat); 302 309 303 310 faceVertices.clear(); 304 311 faceNormals.clear(); 305 312 faceTexcoords.clear(); 313 314 currentMat = NULL; 306 315 } 307 308 break; 309 } // end face 310 case 'g': // load a new shape 311 {/* 312 if (!faceVertices.empty()) 313 { 314 ++ mNumShapes; 315 316 LoadShape(faceVertices, faceNormals, faceTexcoords); 317 318 faceVertices.clear(); 319 faceNormals.clear(); 320 faceTexcoords.clear(); 321 }*/ 322 } 316 } 317 break; 318 case 'u': // usemtl => material 319 { 320 string matName(str + 7); 321 // throw away linebreak character 322 matName.resize(matName.size() - 1); 323 324 currentMat = mMaterialTable[matName]; 325 cout << "matname: " << matName << endl; 326 } 327 323 328 break; 324 329 default: … … 334 339 ++ mNumShapes; 335 340 336 LoadShape(faceVertices, faceNormals, faceTexcoords );341 LoadShape(faceVertices, faceNormals, faceTexcoords, currentMat); 337 342 338 343 faceVertices.clear(); … … 364 369 /////// 365 370 //-- texture 366 371 /* 367 372 #ifdef USE_TEXTURE 368 373 int texId = 0; … … 401 406 str.write(reinterpret_cast<char *>(&emm), sizeof(SimpleVec)); 402 407 } 403 } 404 405 408 */ 409 } 410 411 #if 0 406 412 bool ObjConverter::WriteFile(const string &filename) 407 413 { … … 481 487 return true; 482 488 } 489 #else 490 bool ObjConverter::WriteFile(const string &filename) 491 { 492 ogzstream ofile(filename.c_str()); 493 494 if (!ofile.is_open()) 495 return false; 496 497 498 ///////// 499 //-- write textures 500 501 int textureCount = (int)mTextures.size(); 502 503 ofile.write(reinterpret_cast<char *>(&textureCount), sizeof(int)); 504 505 TextureArray::const_iterator tit, tit_end = mTextures.end(); 506 507 for (tit = mTextures.begin(); tit != tit_end; ++ tit) 508 { 509 const string texName = (*tit); 510 511 int texnameSize = (int)texName.length() + 1; 512 ofile.write(reinterpret_cast<char *>(&texnameSize), sizeof(int)); 513 514 ofile.write(texName.c_str(), sizeof(char) * texnameSize); 515 516 int boundS = 1, boundT = 1; 517 518 ofile.write(reinterpret_cast<char *>(&boundS), sizeof(int)); 519 ofile.write(reinterpret_cast<char *>(&boundT), sizeof(int)); 520 } 521 522 523 /////////// 524 //-- write shapes 525 526 ofile.write(reinterpret_cast<char *>(&mNumShapes), sizeof(int)); 527 528 vector<Geometry *>::const_iterator it, it_end = mGeometry.end(); 529 530 for (it = mGeometry.begin(); it != it_end; ++ it) 531 { 532 WriteGeometry(ofile, *it); 533 534 535 ///////// 536 //-- material 537 538 Material *mat = (*it)->mMaterial; 539 540 ofile.write(reinterpret_cast<char *>(&mat->texture), sizeof(int)); 541 542 bool alphaTestEnabled = false; 543 //bool cullFaceEnabled = false; 544 bool cullFaceEnabled = true; 545 546 ofile.write(reinterpret_cast<char *>(&alphaTestEnabled), sizeof(bool)); 547 ofile.write(reinterpret_cast<char *>(&cullFaceEnabled), sizeof(bool)); 548 549 // material 550 bool hasMaterial = true; 551 ofile.write(reinterpret_cast<char *>(&hasMaterial), sizeof(bool)); 552 553 SimpleVec ambient, diffuse, spec, emm; 554 555 ambient.x = ambient.y = ambient.z = 0.2f; 556 //diffuse.x = diffuse.y = diffuse.z = 1.0f; 557 diffuse.x = mat->rgb[0]; diffuse.y =mat->rgb[1]; diffuse.z = mat->rgb[2]; 558 spec.x = spec.y = spec.z = .0f; 559 emm = spec; 560 561 // only write rgb part of the material 562 ofile.write(reinterpret_cast<char *>(&ambient), sizeof(SimpleVec)); 563 ofile.write(reinterpret_cast<char *>(&diffuse), sizeof(SimpleVec)); 564 ofile.write(reinterpret_cast<char *>(&spec), sizeof(SimpleVec)); 565 ofile.write(reinterpret_cast<char *>(&emm), sizeof(SimpleVec)); 566 } 567 568 569 int entityCount = 1; 570 ofile.write(reinterpret_cast<char *>(&entityCount), sizeof(int)); 571 572 573 ////////// 574 //-- write single scene entity 575 576 // no transformation 577 bool hasTrafo = false; 578 ofile.write(reinterpret_cast<char *>(&hasTrafo), sizeof(bool)); 579 580 // a dummy lod 581 int numLODs = 1; 582 ofile.write(reinterpret_cast<char *>(&numLODs), sizeof(int)); 583 584 float dist = 0; 585 ofile.write(reinterpret_cast<char *>(&dist), sizeof(float)); 586 587 ofile.write(reinterpret_cast<char *>(&mNumShapes), sizeof(int)); 588 589 // all shapes belong to this scene entity 590 for (int i = 0; i < mNumShapes; ++ i) 591 { 592 int shapeId = i; 593 ofile.write(reinterpret_cast<char *>(&shapeId), sizeof(int)); 594 } 595 596 return true; 597 } 598 #endif 599 600 601 bool ObjConverter::LoadMaterials(const std::string &matFileName) 602 { 603 FILE *file; 604 605 if ((file = fopen(matFileName.c_str(), "r")) == NULL) 606 { 607 return false; 608 } 609 610 int line = 0; 611 const int len = 10000; 612 char str[len]; 613 614 Material *currentMat = NULL; 615 616 617 while (fgets(str, len, file) != NULL) 618 { 619 //sscanf(str + 1, "%f %f %f", &x, &y, &z); 620 vector<string> strings; 621 622 char *next_token; 623 624 // extract the triples of the form v/t/n v/t/n ... 625 char *pch = strtok_s(str, " \n", &next_token); 626 627 while (pch) 628 { 629 string s(pch); 630 //s += "\n", 631 strings.push_back(s); 632 633 pch = strtok_s(NULL, " \n", &next_token); 634 } 635 636 cout << endl; 637 638 639 if ((strings.size() == 2) && (strcmp(strings[0].c_str(),"newmtl") == 0)) 640 { 641 currentMat = new Material(); 642 mMaterialTable[strings[1].c_str()] = currentMat; 643 } 644 645 if ((strings.size() == 2) && (strcmp(strings[0].c_str(),"map_Kd") == 0)) 646 { 647 TextureTable::const_iterator it = mTextureTable.find(strings[1]); 648 649 int id; 650 651 if (it == mTextureTable.end()) // parameter not found 652 { 653 mTextures.push_back(strings[1]); 654 id = (int)mTextures.size(); 655 mTextureTable[strings[1]] = id; 656 } 657 else 658 { 659 id = (*it).second; 660 } 661 662 currentMat->texture = id; 663 } 664 665 if ((strings.size() == 4) && (strcmp(strings[0].c_str(),"Kd") == 0)) 666 { 667 currentMat->rgb[0] = (float)atof(strings[1].c_str()); 668 currentMat->rgb[1] = (float)atof(strings[2].c_str()); 669 currentMat->rgb[2] = (float)atof(strings[3].c_str()); 670 } 671 672 ++ line; 673 } 674 675 return true; 676 } -
GTP/trunk/App/Demos/Vis/FriendlyCulling/Converter/ObjConverter.h
r3012 r3247 5 5 #include <string> 6 6 #include <vector> 7 #include <map> 7 8 8 /*struct SimpleVec 9 10 struct Material 9 11 { 10 SimpleVec() {} 11 SimpleVec(float _x, float _y, float _z): x(_x), y(_y), z(_z) {} 12 float rgb[3]; 13 int texture; 14 }; 12 15 13 float x, y, z; 14 };*/ 16 class Geometry; 15 17 16 18 typedef std::vector<SimpleVec> VertexArray; 17 19 typedef std::pair<float, float> Texcoord; 20 typedef std::map<std::string, Material *> MaterialTable; 21 typedef std::map<std::string, int> TextureTable; 22 23 typedef std::vector<std::string> TextureArray; 18 24 19 25 class ogzstream; … … 29 35 bool Convert(const std::string &inputFilename, 30 36 const std::string &outputFilename); 31 // const std::string textureFilename) const; 37 // const std::string textureFilename) const; 38 39 bool LoadMaterials(const std::string &matFileName); 32 40 33 41 ~ObjConverter(); … … 40 48 SimpleVec *mNormals; 41 49 Texcoord *mTexcoords; 50 Material *mMaterial; 42 51 43 52 int mVertexCount; … … 45 54 }; 46 55 56 typedef std::vector<Geometry *> GeometryArray; 57 47 58 void LoadShape(const VertexArray &faceVertices, 48 59 const VertexArray &faceNormals, 49 const std::vector<Texcoord> &faceTexcoords); 60 const std::vector<Texcoord> &faceTexcoords, 61 Material *mat); 50 62 51 63 void WriteGeometry(ogzstream &str, Geometry *geom); … … 55 67 56 68 57 std::vector<Geometry *> mGeometry; 69 MaterialTable mMaterialTable; 70 TextureTable mTextureTable; 71 72 TextureArray mTextures; 73 GeometryArray mGeometry; 58 74 59 75 int mNumShapes; -
GTP/trunk/App/Demos/Vis/FriendlyCulling/Converter/main.cpp
r3146 r3247 14 14 15 15 cout << "converting obj to dem format" << endl; 16 17 if (!converter.LoadMaterials(model_path + argv[3])) 18 { 19 cerr << "loading materials failed" << endl; 20 21 std::cin.get(); 22 exit(0); 23 } 16 24 17 25 if (!converter.Convert(model_path + argv[1], model_path + argv[2])) … … 22 30 exit(0); 23 31 } 24 //std::cin.get(); 32 25 33 cout << "conversion successful" << endl; 34 cout << "press any key" << std::cin.get(); 26 35 27 36 return 0;
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