[3261] | 1 | #include "ObjConverter2.h"
|
---|
| 2 | #include "SimpleTri.h"
|
---|
| 3 | #include "SimpleVec.h"
|
---|
| 4 | #include "gzstream.h"
|
---|
| 5 | #include <iostream>
|
---|
| 6 |
|
---|
| 7 |
|
---|
| 8 | using namespace std;
|
---|
| 9 |
|
---|
| 10 |
|
---|
| 11 | static void LoadIndices(char *str,
|
---|
| 12 | const VertexArray &vertices,
|
---|
| 13 | const VertexArray &normals,
|
---|
[3262] | 14 | const vector<Texcoord> &texcoords,
|
---|
[3261] | 15 | VertexArray &faceVertices,
|
---|
| 16 | VertexArray &faceNormals,
|
---|
| 17 | vector<Texcoord> &faceTexcoords
|
---|
| 18 | )
|
---|
| 19 | {
|
---|
| 20 | vector<string> triples;
|
---|
| 21 |
|
---|
| 22 | char *next_token;
|
---|
| 23 |
|
---|
| 24 | // extract the triples of the form v/t/n v/t/n ...
|
---|
| 25 | char *pch = strtok_s(str + 1, " ", &next_token);
|
---|
| 26 |
|
---|
| 27 | while (pch)
|
---|
| 28 | {
|
---|
| 29 | string s(pch);
|
---|
| 30 | triples.push_back(s);
|
---|
| 31 |
|
---|
| 32 | pch = strtok_s(NULL, " ", &next_token);
|
---|
| 33 | }
|
---|
| 34 |
|
---|
[3262] | 35 | // throw away last symbol (\n)
|
---|
| 36 | triples.back().resize(triples.back().size() - 1);
|
---|
| 37 |
|
---|
[3261] | 38 | vector<int> indices;
|
---|
| 39 | vector<int> nIndices;
|
---|
| 40 | vector<int> tIndices;
|
---|
| 41 |
|
---|
[3262] | 42 | char seps[] = " ";
|
---|
| 43 | char seps2[] = "/";
|
---|
[3261] | 44 |
|
---|
| 45 | for (size_t i = 0; i < triples.size(); ++ i)
|
---|
| 46 | {
|
---|
[3262] | 47 | //cout << "triple " << i << " " << triples[i] << endl;
|
---|
[3261] | 48 | size_t found;
|
---|
[3262] | 49 | found = triples[i].find_first_of(seps2);
|
---|
[3261] | 50 | size_t prevfound = 0;
|
---|
[3262] | 51 |
|
---|
| 52 | // extract vertex, normal, texture indices
|
---|
[3261] | 53 | string str = triples[i].substr(prevfound, found);
|
---|
| 54 |
|
---|
| 55 | int index = (int)strtol(str.c_str(), NULL, 10) - 1;
|
---|
| 56 | int tIndex = index;
|
---|
| 57 | int nIndex = index;
|
---|
| 58 |
|
---|
[3262] | 59 | // try to extract texture and normal indices
|
---|
| 60 | prevfound = found + 1;
|
---|
| 61 | found = triples[i].find_first_of(seps2, prevfound);
|
---|
[3261] | 62 |
|
---|
| 63 | if (found != string::npos)
|
---|
| 64 | {
|
---|
| 65 | str = triples[i].substr(prevfound, found);
|
---|
| 66 |
|
---|
| 67 | int idx = (int)strtol(str.c_str(), NULL, 10) - 1;
|
---|
| 68 | if (idx > 0) tIndex = idx;
|
---|
| 69 | }
|
---|
[3262] | 70 |
|
---|
| 71 | if (found != string::npos)
|
---|
[3261] | 72 | {
|
---|
| 73 | str = triples[i].substr(found + 1);
|
---|
| 74 |
|
---|
| 75 | int idx = (int)strtol(str.c_str(), NULL, 10) - 1;
|
---|
| 76 | if (idx > 0) nIndex = idx;
|
---|
| 77 | }
|
---|
| 78 |
|
---|
| 79 | // store indices
|
---|
| 80 | if (index >= 0)
|
---|
| 81 | {
|
---|
| 82 | indices.push_back(index);
|
---|
| 83 | nIndices.push_back(nIndex);
|
---|
| 84 | tIndices.push_back(tIndex);
|
---|
[3262] | 85 |
|
---|
| 86 | //cout << index << " " << tIndex << " " << nIndex << endl;
|
---|
[3261] | 87 | }
|
---|
| 88 |
|
---|
[3262] | 89 | int idx[3];
|
---|
[3261] | 90 | // new triangle found
|
---|
| 91 | if (indices.size() > 2)
|
---|
| 92 | {
|
---|
| 93 | // change orientation of faces?
|
---|
| 94 | #if 1
|
---|
[3262] | 95 | idx[0] = 0;
|
---|
| 96 | idx[1] = (int)indices.size() - 2;
|
---|
| 97 | idx[2] = (int)indices.size() - 1;
|
---|
[3261] | 98 | #else
|
---|
[3262] | 99 | idx[2] = 0;
|
---|
| 100 | idx[1] = (int)indices.size() - 2;
|
---|
| 101 | idx[0] = (int)indices.size() - 1;
|
---|
[3261] | 102 | #endif
|
---|
[3275] | 103 |
|
---|
[3262] | 104 | for (int j = 0; j < 3; ++ j)
|
---|
| 105 | faceVertices.push_back(vertices[indices[idx[j]]]);
|
---|
[3261] | 106 |
|
---|
| 107 |
|
---|
| 108 | if (!normals.empty())
|
---|
| 109 | {
|
---|
[3262] | 110 | for (int j = 0; j < 3; ++ j)
|
---|
[3275] | 111 | faceNormals.push_back(Normalize(normals[nIndices[idx[j]]]));
|
---|
[3261] | 112 | }
|
---|
| 113 | else
|
---|
| 114 | {
|
---|
| 115 | // no face normals? => create normals
|
---|
[3262] | 116 | const SimpleTri tri(vertices[indices[idx[0]]],
|
---|
| 117 | vertices[indices[idx[1]]],
|
---|
| 118 | vertices[indices[idx[2]]]);
|
---|
| 119 |
|
---|
[3261] | 120 | const SimpleVec n = tri.GetNormal();
|
---|
| 121 |
|
---|
| 122 | faceNormals.push_back(n);
|
---|
| 123 | faceNormals.push_back(n);
|
---|
| 124 | faceNormals.push_back(n);
|
---|
| 125 | }
|
---|
| 126 |
|
---|
| 127 | if (!texcoords.empty())
|
---|
| 128 | {
|
---|
[3262] | 129 | for (int j = 0; j < 3; ++ j)
|
---|
| 130 | {
|
---|
[3268] | 131 | //if (tIndices[idx[j]] >= (int)texcoords.size())
|
---|
| 132 | //cerr << "error: texcoord indices exceed array size " << texcoords.size() << " " << tIndices[idx[j]] << endl;
|
---|
[3262] | 133 | const int tidx = min((int)texcoords.size() - 1, tIndices[idx[j]]);
|
---|
| 134 |
|
---|
| 135 | faceTexcoords.push_back(texcoords[tidx]);
|
---|
| 136 | }
|
---|
[3261] | 137 | }
|
---|
| 138 | }
|
---|
| 139 | }
|
---|
| 140 | }
|
---|
| 141 |
|
---|
| 142 |
|
---|
| 143 | ObjConverter2::ObjConverter2()
|
---|
| 144 | {}
|
---|
| 145 |
|
---|
| 146 |
|
---|
| 147 | ObjConverter2::~ObjConverter2()
|
---|
| 148 | {
|
---|
| 149 | for (size_t i = 0; i < mGeometry.size(); ++ i)
|
---|
| 150 | delete mGeometry[i];
|
---|
| 151 |
|
---|
| 152 | mGeometry.clear();
|
---|
| 153 | }
|
---|
| 154 |
|
---|
| 155 |
|
---|
| 156 | void ObjConverter2::LoadShape(const VertexArray &faceVertices,
|
---|
| 157 | const VertexArray &faceNormals,
|
---|
| 158 | const vector<Texcoord> &faceTexcoords,
|
---|
| 159 | Material *mat)
|
---|
| 160 | {
|
---|
| 161 | int numElements = (int)faceVertices.size();
|
---|
| 162 | Geometry *geom = new Geometry();
|
---|
| 163 |
|
---|
| 164 | // convert the triangles to geometry
|
---|
| 165 | geom->mVertices = new SimpleVec[numElements];
|
---|
| 166 | geom->mNormals = new SimpleVec[numElements];
|
---|
| 167 | geom->mTexcoords = new Texcoord[numElements];
|
---|
| 168 |
|
---|
| 169 | geom->mVertexCount = numElements;
|
---|
| 170 | geom->mTexcoordCount = (int)faceTexcoords.size();
|
---|
| 171 |
|
---|
| 172 | geom->mMaterial = mat;
|
---|
| 173 |
|
---|
| 174 | cout << "creating new geometry with " << numElements << " vertices" << endl;
|
---|
| 175 |
|
---|
| 176 | for (int i = 0; i < numElements; ++ i)
|
---|
| 177 | {
|
---|
| 178 | #if 1
|
---|
| 179 | // convert to our camera system: change y and z
|
---|
| 180 | geom->mVertices[i].x = faceVertices[i].x;
|
---|
| 181 | geom->mVertices[i].y = -faceVertices[i].z;
|
---|
| 182 | geom->mVertices[i].z = faceVertices[i].y;
|
---|
| 183 |
|
---|
| 184 | geom->mNormals[i].x = faceNormals[i].x;
|
---|
| 185 | geom->mNormals[i].y = -faceNormals[i].z;
|
---|
| 186 | geom->mNormals[i].z = faceNormals[i].y;
|
---|
| 187 |
|
---|
| 188 | #else
|
---|
[3275] | 189 |
|
---|
[3261] | 190 | geom->mVertices[i].x = faceVertices[i].x;
|
---|
| 191 | geom->mVertices[i].y = faceVertices[i].y;
|
---|
| 192 | geom->mVertices[i].z = faceVertices[i].z;
|
---|
| 193 |
|
---|
| 194 | geom->mNormals[i].x = faceNormals[i].x;
|
---|
| 195 | geom->mNormals[i].y = faceNormals[i].y;
|
---|
| 196 | geom->mNormals[i].z = faceNormals[i].z;
|
---|
| 197 |
|
---|
| 198 | #endif
|
---|
| 199 |
|
---|
| 200 | if (i < geom->mTexcoordCount)
|
---|
| 201 | {
|
---|
| 202 | geom->mTexcoords[i].first = faceTexcoords[i].first;
|
---|
| 203 | geom->mTexcoords[i].second = faceTexcoords[i].second;
|
---|
| 204 | }
|
---|
| 205 | }
|
---|
| 206 |
|
---|
| 207 | mGeometry.push_back(geom);
|
---|
| 208 | }
|
---|
| 209 |
|
---|
| 210 |
|
---|
| 211 | bool ObjConverter2::Convert(const string &filename,
|
---|
| 212 | const std::string &outputFilename)
|
---|
| 213 | {
|
---|
| 214 | mNumShapes = 0;
|
---|
| 215 |
|
---|
| 216 | for (size_t i = 0; i < mGeometry.size(); ++ i)
|
---|
| 217 | delete mGeometry[i];
|
---|
| 218 |
|
---|
| 219 | mGeometry.clear();
|
---|
| 220 |
|
---|
| 221 | if (!ReadFile(filename))
|
---|
| 222 | {
|
---|
| 223 | cerr << "could not read file" << endl;
|
---|
| 224 | return false;
|
---|
| 225 | }
|
---|
| 226 |
|
---|
| 227 | if (!WriteFile(outputFilename))
|
---|
| 228 | {
|
---|
| 229 | cerr << "could not write file" << endl;
|
---|
| 230 | return false;
|
---|
| 231 | }
|
---|
| 232 |
|
---|
| 233 | return true;
|
---|
| 234 | }
|
---|
| 235 |
|
---|
| 236 |
|
---|
| 237 | bool ObjConverter2::Convert2(const vector<string> &filenames,
|
---|
| 238 | const std::string &outputFilename)
|
---|
| 239 | {
|
---|
| 240 | mNumShapes = 0;
|
---|
| 241 |
|
---|
| 242 | vector<string>::const_iterator it, it_end = filenames.end();
|
---|
| 243 |
|
---|
[3268] | 244 | ofstream outstr("mydebug.log");
|
---|
| 245 |
|
---|
[3261] | 246 | for (it = filenames.begin(); it != it_end; ++ it)
|
---|
| 247 | {
|
---|
[3262] | 248 | const string filename = *it;
|
---|
[3261] | 249 |
|
---|
[3262] | 250 | cout << "\n==================\n loading file " << filename << endl;
|
---|
| 251 |
|
---|
[3268] | 252 | outstr << "loading file: " << filename << endl;
|
---|
| 253 | outstr << flush;
|
---|
| 254 |
|
---|
[3262] | 255 | if (!ReadFile(filename))
|
---|
[3261] | 256 | {
|
---|
[3262] | 257 | cerr << "could not read file ... skipping " << filename << endl;
|
---|
| 258 | //return false;
|
---|
[3261] | 259 | }
|
---|
| 260 | }
|
---|
| 261 |
|
---|
[3268] | 262 | cout << "\n*******************\nwriting file " << outputFilename << endl;
|
---|
[3262] | 263 |
|
---|
[3261] | 264 | if (!WriteFile(outputFilename))
|
---|
| 265 | {
|
---|
| 266 | cerr << "could not write file" << endl;
|
---|
| 267 | return false;
|
---|
| 268 | }
|
---|
| 269 |
|
---|
| 270 | return true;
|
---|
| 271 | }
|
---|
| 272 |
|
---|
| 273 |
|
---|
| 274 |
|
---|
| 275 | bool ObjConverter2::ReadFile(const string &filename)
|
---|
| 276 | {
|
---|
| 277 | FILE *file;
|
---|
| 278 |
|
---|
| 279 | if ((file = fopen(filename.c_str(), "r")) == NULL)
|
---|
| 280 | {
|
---|
| 281 | return false;
|
---|
| 282 | }
|
---|
| 283 |
|
---|
| 284 | Material *currentMat = NULL;
|
---|
| 285 | VertexArray faceVertices;
|
---|
| 286 | VertexArray faceNormals;
|
---|
| 287 | vector<Texcoord> faceTexcoords;
|
---|
| 288 |
|
---|
| 289 | VertexArray vertices;
|
---|
| 290 | VertexArray normals;
|
---|
| 291 | vector<Texcoord> texcoords;
|
---|
| 292 |
|
---|
| 293 | vector<int> indices;
|
---|
| 294 |
|
---|
| 295 | int line = 0;
|
---|
| 296 | const int len = 10000;
|
---|
| 297 | char str[len];
|
---|
| 298 |
|
---|
| 299 | while (fgets(str, len, file) != NULL)
|
---|
| 300 | {
|
---|
[3262] | 301 | //cout << "line: " << line << endl;
|
---|
| 302 |
|
---|
[3261] | 303 | switch (str[0])
|
---|
| 304 | {
|
---|
| 305 | case 'v': // vertex or normal
|
---|
| 306 | {
|
---|
| 307 | // still an object to load
|
---|
| 308 | if (!faceVertices.empty())
|
---|
| 309 | {
|
---|
| 310 | ++ mNumShapes;
|
---|
| 311 |
|
---|
| 312 | //if (!currentMat){ cerr << "no mat!!" << endl; std::cin.get(); }
|
---|
| 313 | LoadShape(faceVertices, faceNormals, faceTexcoords, currentMat);
|
---|
| 314 |
|
---|
| 315 | faceVertices.clear();
|
---|
| 316 | faceNormals.clear();
|
---|
| 317 | faceTexcoords.clear();
|
---|
| 318 |
|
---|
| 319 | currentMat = NULL;
|
---|
| 320 | }
|
---|
| 321 |
|
---|
| 322 | float x, y, z;
|
---|
| 323 |
|
---|
| 324 | switch (str[1])
|
---|
| 325 | {
|
---|
| 326 | case 'n' :
|
---|
| 327 | sscanf(str + 2, "%f %f %f", &x, &y, &z);
|
---|
| 328 | normals.push_back(SimpleVec(x, y, z));
|
---|
| 329 | break;
|
---|
| 330 | case 't':
|
---|
| 331 | sscanf(str + 2, "%f %f", &x, &y);
|
---|
| 332 | texcoords.push_back(pair<float, float>(x, y));
|
---|
| 333 | break;
|
---|
| 334 | default:
|
---|
| 335 | sscanf(str + 1, "%f %f %f", &x, &y, &z);
|
---|
| 336 | //const float scale = 5e-3f;
|
---|
| 337 | const float scale = 5.0f;
|
---|
| 338 | vertices.push_back(SimpleVec(x * scale, y * scale, z* scale));
|
---|
| 339 | }
|
---|
| 340 | break;
|
---|
| 341 | }
|
---|
| 342 | case 'f':
|
---|
| 343 | {
|
---|
| 344 | //////////
|
---|
| 345 | //-- indices in the current line
|
---|
| 346 |
|
---|
[3262] | 347 | //cout << "f: " << vertices.size() << " n: " << normals.size() << " " << texcoords.size() << endl;
|
---|
| 348 |
|
---|
[3261] | 349 | LoadIndices(str,
|
---|
| 350 | vertices, normals, texcoords,
|
---|
| 351 | faceVertices, faceNormals, faceTexcoords);
|
---|
| 352 |
|
---|
| 353 | break;
|
---|
| 354 | } // end face
|
---|
| 355 | /*case 'g': // load a new shape
|
---|
| 356 | {
|
---|
| 357 | if (!faceVertices.empty())
|
---|
| 358 | {
|
---|
| 359 | ++ mNumShapes;
|
---|
| 360 |
|
---|
| 361 | LoadShape(faceVertices, faceNormals, faceTexcoords, currentMat);
|
---|
| 362 |
|
---|
| 363 | faceVertices.clear();
|
---|
| 364 | faceNormals.clear();
|
---|
| 365 | faceTexcoords.clear();
|
---|
| 366 |
|
---|
| 367 | currentMat = NULL;
|
---|
| 368 | }
|
---|
| 369 | }
|
---|
| 370 | break;*/
|
---|
| 371 | case 'u': // usemtl => material
|
---|
| 372 | {
|
---|
| 373 | string matName(str + 7);
|
---|
| 374 | // throw away linebreak character
|
---|
| 375 | matName.resize(matName.size() - 1);
|
---|
| 376 |
|
---|
| 377 | currentMat = mMaterialTable[matName];
|
---|
| 378 | //cout << "matname: " << matName << endl;
|
---|
| 379 | //cout << "currentMat: " << currentMat << endl;
|
---|
| 380 | }
|
---|
| 381 | break;
|
---|
| 382 | case 'm': // material library
|
---|
| 383 | {
|
---|
| 384 | string matLibName(model_path + string(str + 7));
|
---|
| 385 | // throw away linebreak character
|
---|
| 386 | matLibName.resize(matLibName.size() - 1);
|
---|
| 387 |
|
---|
| 388 | cout << "loading mat library " << matLibName << endl;
|
---|
| 389 |
|
---|
| 390 | // load the materials
|
---|
| 391 | if (!LoadMaterials(matLibName))
|
---|
| 392 | {
|
---|
| 393 | cerr << "loading material library failed" << endl;
|
---|
[3268] | 394 | return false;
|
---|
[3261] | 395 | }
|
---|
| 396 | }
|
---|
| 397 |
|
---|
| 398 | default:
|
---|
| 399 | // throw away line
|
---|
| 400 | break;
|
---|
| 401 | }
|
---|
| 402 |
|
---|
| 403 | ++ line;
|
---|
| 404 | }
|
---|
| 405 |
|
---|
| 406 | // convert the rest of the vertives
|
---|
| 407 | if (!faceVertices.empty())
|
---|
| 408 | {
|
---|
| 409 | ++ mNumShapes;
|
---|
| 410 |
|
---|
| 411 | LoadShape(faceVertices, faceNormals, faceTexcoords, currentMat);
|
---|
| 412 |
|
---|
| 413 | faceVertices.clear();
|
---|
| 414 | faceNormals.clear();
|
---|
| 415 | faceTexcoords.clear();
|
---|
| 416 | }
|
---|
| 417 |
|
---|
| 418 | fclose(file);
|
---|
| 419 |
|
---|
| 420 | return true;
|
---|
| 421 | }
|
---|
| 422 |
|
---|
| 423 |
|
---|
| 424 | void ObjConverter2::WriteGeometry(ogzstream &str, Geometry *geom)
|
---|
| 425 | {
|
---|
| 426 | int vertexCount = geom->mVertexCount;
|
---|
| 427 | str.write(reinterpret_cast<char *>(&vertexCount), sizeof(int));
|
---|
| 428 |
|
---|
| 429 | str.write(reinterpret_cast<char *>(geom->mVertices), sizeof(SimpleVec) * vertexCount);
|
---|
| 430 | str.write(reinterpret_cast<char *>(geom->mNormals), sizeof(SimpleVec) * vertexCount);
|
---|
| 431 |
|
---|
| 432 | int texCoordCount = geom->mTexcoordCount;
|
---|
| 433 | str.write(reinterpret_cast<char *>(&texCoordCount), sizeof(int));
|
---|
| 434 |
|
---|
| 435 | if (texCoordCount)
|
---|
| 436 | str.write(reinterpret_cast<char *>(geom->mTexcoords), sizeof(float) * texCoordCount * 2);
|
---|
| 437 | }
|
---|
| 438 |
|
---|
| 439 |
|
---|
| 440 | bool ObjConverter2::WriteFile(const string &filename)
|
---|
| 441 | {
|
---|
| 442 | ogzstream ofile(filename.c_str());
|
---|
| 443 | if (!ofile.is_open()) return false;
|
---|
| 444 |
|
---|
| 445 |
|
---|
| 446 | /////////
|
---|
| 447 | //-- write textures
|
---|
| 448 |
|
---|
| 449 | int textureCount = (int)mTextures.size();
|
---|
| 450 |
|
---|
| 451 | ofile.write(reinterpret_cast<char *>(&textureCount), sizeof(int));
|
---|
| 452 |
|
---|
| 453 | TextureArray::const_iterator tit, tit_end = mTextures.end();
|
---|
| 454 |
|
---|
| 455 | for (tit = mTextures.begin(); tit != tit_end; ++ tit)
|
---|
| 456 | {
|
---|
| 457 | const string texName = (*tit);
|
---|
| 458 |
|
---|
| 459 | int texnameSize = (int)texName.length() + 1;
|
---|
| 460 | ofile.write(reinterpret_cast<char *>(&texnameSize), sizeof(int));
|
---|
| 461 |
|
---|
| 462 | ofile.write(texName.c_str(), sizeof(char) * texnameSize);
|
---|
| 463 |
|
---|
| 464 | int boundS = 1, boundT = 1;
|
---|
| 465 |
|
---|
| 466 | ofile.write(reinterpret_cast<char *>(&boundS), sizeof(int));
|
---|
| 467 | ofile.write(reinterpret_cast<char *>(&boundT), sizeof(int));
|
---|
| 468 | }
|
---|
| 469 |
|
---|
| 470 |
|
---|
| 471 | ///////////
|
---|
| 472 | //-- write shapes
|
---|
| 473 |
|
---|
| 474 | ofile.write(reinterpret_cast<char *>(&mNumShapes), sizeof(int));
|
---|
| 475 |
|
---|
| 476 | vector<Geometry *>::const_iterator it, it_end = mGeometry.end();
|
---|
| 477 |
|
---|
| 478 | for (it = mGeometry.begin(); it != it_end; ++ it)
|
---|
| 479 | {
|
---|
| 480 | WriteGeometry(ofile, *it);
|
---|
| 481 |
|
---|
| 482 |
|
---|
| 483 | /////////
|
---|
| 484 | //-- material
|
---|
| 485 |
|
---|
| 486 | Material *mat = (*it)->mMaterial;
|
---|
| 487 |
|
---|
| 488 | if (!mat) cerr << "error: no material specified!!" << endl;
|
---|
| 489 |
|
---|
| 490 | ofile.write(reinterpret_cast<char *>(&mat->texture), sizeof(int));
|
---|
| 491 |
|
---|
| 492 | bool alphaTestEnabled = false;
|
---|
| 493 | bool cullFaceEnabled = true;
|
---|
| 494 | //bool cullFaceEnabled = false;
|
---|
| 495 |
|
---|
| 496 | ofile.write(reinterpret_cast<char *>(&alphaTestEnabled), sizeof(bool));
|
---|
| 497 | ofile.write(reinterpret_cast<char *>(&cullFaceEnabled), sizeof(bool));
|
---|
| 498 |
|
---|
| 499 | // material
|
---|
| 500 | bool hasMaterial = true;
|
---|
| 501 | ofile.write(reinterpret_cast<char *>(&hasMaterial), sizeof(bool));
|
---|
| 502 |
|
---|
| 503 | SimpleVec ambient, diffuse, spec, emm;
|
---|
| 504 |
|
---|
| 505 | ambient.x = ambient.y = ambient.z = 0.2f;
|
---|
| 506 | //diffuse.x = diffuse.y = diffuse.z = 1.0f;
|
---|
| 507 | diffuse.x = mat->rgb[0]; diffuse.y =mat->rgb[1]; diffuse.z = mat->rgb[2];
|
---|
| 508 | spec.x = spec.y = spec.z = .0f;
|
---|
| 509 | emm = spec;
|
---|
| 510 |
|
---|
| 511 | // only write rgb part of the material
|
---|
| 512 | ofile.write(reinterpret_cast<char *>(&ambient), sizeof(SimpleVec));
|
---|
| 513 | ofile.write(reinterpret_cast<char *>(&diffuse), sizeof(SimpleVec));
|
---|
| 514 | ofile.write(reinterpret_cast<char *>(&spec), sizeof(SimpleVec));
|
---|
| 515 | ofile.write(reinterpret_cast<char *>(&emm), sizeof(SimpleVec));
|
---|
| 516 | }
|
---|
| 517 |
|
---|
| 518 |
|
---|
[3265] | 519 | int entityCount = mNumShapes;
|
---|
[3261] | 520 | ofile.write(reinterpret_cast<char *>(&entityCount), sizeof(int));
|
---|
| 521 |
|
---|
| 522 |
|
---|
| 523 | //////////
|
---|
[3265] | 524 | //-- write scene entities
|
---|
[3261] | 525 |
|
---|
[3265] | 526 | // all shapes belong to this scene entity
|
---|
| 527 | for (int i = 0; i < mNumShapes; ++ i)
|
---|
| 528 | {
|
---|
| 529 | // no transformation
|
---|
| 530 | bool hasTrafo = false;
|
---|
| 531 | ofile.write(reinterpret_cast<char *>(&hasTrafo), sizeof(bool));
|
---|
[3261] | 532 |
|
---|
[3265] | 533 | // a dummy lod
|
---|
| 534 | int numLODs = 1;
|
---|
| 535 | ofile.write(reinterpret_cast<char *>(&numLODs), sizeof(int));
|
---|
[3261] | 536 |
|
---|
[3265] | 537 | float dist = 0;
|
---|
| 538 | ofile.write(reinterpret_cast<char *>(&dist), sizeof(float));
|
---|
[3261] | 539 |
|
---|
[3265] | 540 | int numShapes = 1;
|
---|
| 541 | ofile.write(reinterpret_cast<char *>(&numShapes), sizeof(int));
|
---|
[3261] | 542 |
|
---|
| 543 | int shapeId = i;
|
---|
| 544 | ofile.write(reinterpret_cast<char *>(&shapeId), sizeof(int));
|
---|
| 545 | }
|
---|
| 546 |
|
---|
[3268] | 547 | ofile.close();
|
---|
| 548 |
|
---|
[3261] | 549 | return true;
|
---|
| 550 | }
|
---|
| 551 |
|
---|
| 552 |
|
---|
| 553 | bool ObjConverter2::LoadMaterials(const std::string &matFileName)
|
---|
| 554 | {
|
---|
| 555 | FILE *file;
|
---|
| 556 | if ((file = fopen(matFileName.c_str(), "r")) == NULL) return false;
|
---|
| 557 |
|
---|
| 558 | int line = 0;
|
---|
| 559 | const int len = 10000;
|
---|
| 560 | char str[len];
|
---|
| 561 |
|
---|
| 562 | Material *currentMat = NULL;
|
---|
| 563 |
|
---|
| 564 |
|
---|
| 565 | while (fgets(str, len, file) != NULL)
|
---|
| 566 | {
|
---|
| 567 | //sscanf(str + 1, "%f %f %f", &x, &y, &z);
|
---|
| 568 | vector<string> strings;
|
---|
| 569 |
|
---|
| 570 | char *next_token;
|
---|
| 571 |
|
---|
| 572 | // extract the triples of the form v/t/n v/t/n ...
|
---|
| 573 | char *pch = strtok_s(str, " \n", &next_token);
|
---|
| 574 |
|
---|
| 575 | while (pch)
|
---|
| 576 | {
|
---|
| 577 | string s(pch);
|
---|
| 578 | strings.push_back(s);
|
---|
| 579 |
|
---|
| 580 | pch = strtok_s(NULL, " \n", &next_token);
|
---|
| 581 | }
|
---|
| 582 |
|
---|
| 583 | if ((strings.size() == 2) && (strcmp(strings[0].c_str(),"newmtl") == 0))
|
---|
| 584 | {
|
---|
| 585 | currentMat = new Material();
|
---|
| 586 | mMaterialTable[strings[1].c_str()] = currentMat;
|
---|
| 587 | }
|
---|
| 588 |
|
---|
| 589 | if ((strings.size() == 2) &&
|
---|
| 590 | ((strcmp(strings[0].c_str(),"map_Kd") == 0) || (strcmp(strings[0].c_str(),"map_Ka") == 0)))
|
---|
| 591 | {
|
---|
| 592 | TextureTable::const_iterator it = mTextureTable.find(strings[1]);
|
---|
| 593 |
|
---|
| 594 | int id;
|
---|
| 595 |
|
---|
| 596 | if (it == mTextureTable.end()) // parameter not found
|
---|
| 597 | {
|
---|
| 598 | mTextures.push_back(strings[1]);
|
---|
| 599 | id = (int)mTextures.size();
|
---|
| 600 | mTextureTable[strings[1]] = id;
|
---|
| 601 | }
|
---|
| 602 | else
|
---|
| 603 | {
|
---|
| 604 | id = (*it).second;
|
---|
| 605 | }
|
---|
| 606 |
|
---|
| 607 | currentMat->texture = id;
|
---|
| 608 | }
|
---|
| 609 |
|
---|
| 610 | if ((strings.size() == 4) && (strcmp(strings[0].c_str(),"Kd") == 0))
|
---|
| 611 | {
|
---|
| 612 | currentMat->rgb[0] = (float)atof(strings[1].c_str());
|
---|
| 613 | currentMat->rgb[1] = (float)atof(strings[2].c_str());
|
---|
| 614 | currentMat->rgb[2] = (float)atof(strings[3].c_str());
|
---|
| 615 | }
|
---|
| 616 |
|
---|
| 617 | ++ line;
|
---|
| 618 | }
|
---|
| 619 |
|
---|
[3268] | 620 | fclose(file);
|
---|
| 621 |
|
---|
[3261] | 622 | return true;
|
---|
| 623 | }
|
---|