[372] | 1 | #include "SceneGraph.h"
|
---|
| 2 | #include "Exporter.h"
|
---|
| 3 | #include "UnigraphicsParser.h"
|
---|
| 4 | #include "X3dParser.h"
|
---|
| 5 | #include "Preprocessor.h"
|
---|
| 6 | #include "ViewCell.h"
|
---|
| 7 | #include "Environment.h"
|
---|
[439] | 8 | #include "ViewCellsManager.h"
|
---|
[445] | 9 | #include "ViewCellBsp.h"
|
---|
| 10 | #include "VspBspTree.h"
|
---|
[469] | 11 | #include "RenderSimulator.h"
|
---|
[496] | 12 | #include "GlRenderer.h"
|
---|
[749] | 13 | #include "PlyParser.h"
|
---|
[1020] | 14 | #include "SamplingStrategy.h"
|
---|
[1233] | 15 | #include "VspTree.h"
|
---|
| 16 | #include "OspTree.h"
|
---|
[1221] | 17 | #include "ObjParser.h"
|
---|
[1264] | 18 | #include "BvHierarchy.h"
|
---|
[1279] | 19 | #include "HierarchyManager.h"
|
---|
[1287] | 20 | #include "VssRay.h"
|
---|
[1264] | 21 |
|
---|
[1287] | 22 |
|
---|
[1251] | 23 | #ifdef GTP_INTERNAL
|
---|
[1221] | 24 | #include "ArchModeler2MLRT.hxx"
|
---|
[1232] | 25 | #endif
|
---|
[372] | 26 |
|
---|
[1292] | 27 | #define DEBUG_RAYCAST 0
|
---|
| 28 |
|
---|
| 29 |
|
---|
[863] | 30 | namespace GtpVisibilityPreprocessor {
|
---|
[860] | 31 |
|
---|
[1020] | 32 | const static bool ADDITIONAL_GEOMETRY_HACK = false;
|
---|
[860] | 33 |
|
---|
[1145] | 34 | //Preprocessor *preprocessor;
|
---|
[492] | 35 |
|
---|
[750] | 36 |
|
---|
[1001] | 37 | // HACK: Artificially modify scene to watch rendercost changes
|
---|
[750] | 38 | static void AddGeometry(SceneGraph *scene)
|
---|
| 39 | {
|
---|
[1328] | 40 | scene->GetRoot()->UpdateBox();
|
---|
[752] | 41 |
|
---|
[750] | 42 | AxisAlignedBox3 sceneBox = scene->GetBox();
|
---|
| 43 |
|
---|
| 44 | int n = 200;
|
---|
| 45 |
|
---|
[1291] | 46 | if (0)
|
---|
[750] | 47 | {
|
---|
[1291] | 48 | // form grid of boxes
|
---|
| 49 | for (int i = 0; i < n; ++ i)
|
---|
[750] | 50 | {
|
---|
[1291] | 51 | for (int j = 0; j < n; ++ j)
|
---|
| 52 | {
|
---|
| 53 | const Vector3 scale2((float)j * 0.8f / n + 0.1f, 0.05f, (float)i * 0.8f / (float)n + 0.1f);
|
---|
[750] | 54 |
|
---|
[1291] | 55 | const Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
|
---|
| 56 |
|
---|
| 57 | const Vector3 boxSize = sceneBox.Size() * Vector3(0.0025f, 0.01f, 0.0025f);
|
---|
| 58 | AxisAlignedBox3 box(pt2, pt2 + boxSize);
|
---|
| 59 | Mesh *mesh = CreateMeshFromBox(box);
|
---|
| 60 |
|
---|
| 61 | mesh->Preprocess();
|
---|
| 62 |
|
---|
| 63 | MeshInstance *mi = new MeshInstance(mesh);
|
---|
[1328] | 64 | scene->GetRoot()->mGeometry.push_back(mi);
|
---|
[1291] | 65 | }
|
---|
[750] | 66 | }
|
---|
| 67 |
|
---|
[1291] | 68 | for (int i = 0; i < n; ++ i)
|
---|
[750] | 69 | {
|
---|
[1291] | 70 | for (int j = 0; j < n; ++ j)
|
---|
| 71 | {
|
---|
| 72 | const Vector3 scale2(0.15f, (float)j * 0.8f / n + 0.1f, (float)i * 0.8f / (float)n + 0.1f);
|
---|
| 73 |
|
---|
| 74 | Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
|
---|
| 75 |
|
---|
| 76 | Vector3 boxSize = sceneBox.Size() * Vector3(0.0025f, 0.01f, 0.0025f);
|
---|
| 77 | AxisAlignedBox3 box(pt2, pt2 + boxSize);
|
---|
| 78 | Mesh *mesh = CreateMeshFromBox(box);
|
---|
| 79 |
|
---|
| 80 | mesh->Preprocess();
|
---|
| 81 |
|
---|
| 82 | MeshInstance *mi = new MeshInstance(mesh);
|
---|
[1328] | 83 | scene->GetRoot()->mGeometry.push_back(mi);
|
---|
[1291] | 84 | }
|
---|
| 85 | }
|
---|
| 86 |
|
---|
| 87 | for (int i = 0; i < n; ++ i)
|
---|
| 88 | {
|
---|
| 89 | const Vector3 scale2(2, 0.2f, (float)i * 0.8f / (float)n + 0.1f);
|
---|
| 90 |
|
---|
[750] | 91 | Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
|
---|
[1291] | 92 |
|
---|
| 93 | //Vector3 boxSize = sceneBox.Size() * Vector3(0.0025, 0.01, 0.0025);
|
---|
| 94 | Vector3 boxSize = sceneBox.Size() * Vector3(0.005f, 0.02f, 0.005f);
|
---|
| 95 |
|
---|
| 96 | AxisAlignedBox3 box(pt2 + 0.1f, pt2 + boxSize);
|
---|
[991] | 97 | Mesh *mesh = CreateMeshFromBox(box);
|
---|
[750] | 98 |
|
---|
| 99 | mesh->Preprocess();
|
---|
[1291] | 100 |
|
---|
[750] | 101 | MeshInstance *mi = new MeshInstance(mesh);
|
---|
[1328] | 102 | scene->GetRoot()->mGeometry.push_back(mi);
|
---|
[750] | 103 | }
|
---|
[1291] | 104 |
|
---|
[1328] | 105 | scene->GetRoot()->UpdateBox();
|
---|
[750] | 106 | }
|
---|
| 107 |
|
---|
[840] | 108 | if (1)
|
---|
| 109 | {
|
---|
[1221] | 110 | // plane separating view space regions
|
---|
[1135] | 111 | const Vector3 scale(1.0f, 0.0, 0);
|
---|
[750] | 112 |
|
---|
[840] | 113 | Vector3 pt = sceneBox.Min() + scale * (sceneBox.Max() - sceneBox.Min());
|
---|
[750] | 114 |
|
---|
[840] | 115 | Plane3 cuttingPlane(Vector3(1, 0, 0), pt);
|
---|
| 116 | Mesh *planeMesh = new Mesh();
|
---|
[1291] | 117 |
|
---|
[840] | 118 | Polygon3 *poly = sceneBox.CrossSection(cuttingPlane);
|
---|
| 119 | IncludePolyInMesh(*poly, *planeMesh);
|
---|
[1291] | 120 |
|
---|
[840] | 121 | planeMesh->Preprocess();
|
---|
[1291] | 122 |
|
---|
[840] | 123 | MeshInstance *planeMi = new MeshInstance(planeMesh);
|
---|
[1328] | 124 | scene->GetRoot()->mGeometry.push_back(planeMi);
|
---|
[840] | 125 | }
|
---|
[750] | 126 | }
|
---|
| 127 |
|
---|
| 128 |
|
---|
[372] | 129 | Preprocessor::Preprocessor():
|
---|
| 130 | mKdTree(NULL),
|
---|
[409] | 131 | mBspTree(NULL),
|
---|
[445] | 132 | mVspBspTree(NULL),
|
---|
[1264] | 133 | mVspTree(NULL),
|
---|
[1279] | 134 | mHierarchyManager(NULL),
|
---|
[1002] | 135 | mViewCellsManager(NULL),
|
---|
[1251] | 136 | mRenderSimulator(NULL),
|
---|
[1279] | 137 | mPass(0),
|
---|
[1328] | 138 | mRayCastMethod(0),
|
---|
| 139 | mSceneGraph(NULL)
|
---|
[308] | 140 | {
|
---|
[1004] | 141 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlRenderer", mUseGlRenderer);
|
---|
[538] | 142 |
|
---|
[840] | 143 | // renderer will be constructed when the scene graph and viewcell manager will be known
|
---|
| 144 | renderer = NULL;
|
---|
[496] | 145 |
|
---|
[1004] | 146 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlDebugger", mUseGlDebugger);
|
---|
[1379] | 147 | Environment::GetSingleton()->GetBoolValue("Preprocessor.loadMeshes", mLoadMeshes);
|
---|
[1004] | 148 | Environment::GetSingleton()->GetBoolValue("Preprocessor.quitOnFinish", mQuitOnFinish);
|
---|
| 149 | Environment::GetSingleton()->GetBoolValue("Preprocessor.computeVisibility", mComputeVisibility);
|
---|
| 150 | Environment::GetSingleton()->GetBoolValue("Preprocessor.detectEmptyViewSpace", mDetectEmptyViewSpace);
|
---|
| 151 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportVisibility", mExportVisibility );
|
---|
[1221] | 152 | Environment::GetSingleton()->GetIntValue("Preprocessor.rayCastMethod", mRayCastMethod);
|
---|
[1291] | 153 |
|
---|
[871] | 154 | char buffer[256];
|
---|
[1004] | 155 | Environment::GetSingleton()->GetStringValue("Preprocessor.visibilityFile", buffer);
|
---|
[871] | 156 | mVisibilityFileName = buffer;
|
---|
[1004] | 157 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilityFilter", mApplyVisibilityFilter );
|
---|
| 158 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilitySpatialFilter",
|
---|
[904] | 159 | mApplyVisibilitySpatialFilter );
|
---|
[1004] | 160 | Environment::GetSingleton()->GetFloatValue("Preprocessor.visibilityFilterWidth", mVisibilityFilterWidth);
|
---|
[878] | 161 |
|
---|
[840] | 162 | Debug << "detect empty view space=" << mDetectEmptyViewSpace << endl;
|
---|
[1379] | 163 | Debug << "load meshes: " << mLoadMeshes << endl;
|
---|
[1344] | 164 |
|
---|
| 165 | if (mRayCastMethod == 0)
|
---|
| 166 | cout << "ray cast method: internal" << endl;
|
---|
| 167 | else
|
---|
| 168 | cout << "ray cast method: intel" << endl;
|
---|
[372] | 169 | }
|
---|
| 170 |
|
---|
| 171 |
|
---|
| 172 | Preprocessor::~Preprocessor()
|
---|
| 173 | {
|
---|
[1291] | 174 | cout << "cleaning up" << endl;
|
---|
[752] | 175 |
|
---|
[1291] | 176 | cout << "Deleting view cells manager ... \n";
|
---|
| 177 | DEL_PTR(mViewCellsManager);
|
---|
| 178 | cout << "done.\n";
|
---|
[752] | 179 |
|
---|
[1291] | 180 | cout << "Deleting bsp tree ... \n";
|
---|
| 181 | DEL_PTR(mBspTree);
|
---|
| 182 | cout << "done.\n";
|
---|
[752] | 183 |
|
---|
[1291] | 184 | cout << "Deleting kd tree...\n";
|
---|
| 185 | DEL_PTR(mKdTree);
|
---|
| 186 | cout << "done.\n";
|
---|
[752] | 187 |
|
---|
[1291] | 188 | cout << "Deleting vsp tree...\n";
|
---|
| 189 | DEL_PTR(mVspTree);
|
---|
| 190 | cout << "done.\n";
|
---|
[1145] | 191 |
|
---|
[1291] | 192 | cout << "Deleting hierarchy manager...\n";
|
---|
| 193 | DEL_PTR(mHierarchyManager);
|
---|
| 194 | cout << "done.\n";
|
---|
[1002] | 195 |
|
---|
[1291] | 196 | cout << "Deleting vspbsp tree...\n";
|
---|
| 197 | DEL_PTR(mVspBspTree);
|
---|
| 198 | cout << "done.\n";
|
---|
[1002] | 199 |
|
---|
[1291] | 200 | cout << "Deleting scene graph...\n";
|
---|
| 201 | DEL_PTR(mSceneGraph);
|
---|
| 202 | cout << "done.\n";
|
---|
| 203 |
|
---|
| 204 | DEL_PTR(mRenderSimulator);
|
---|
| 205 | DEL_PTR(renderer);
|
---|
[372] | 206 | }
|
---|
| 207 |
|
---|
[387] | 208 | int
|
---|
[419] | 209 | SplitFilenames(const string str, vector<string> &filenames)
|
---|
[387] | 210 | {
|
---|
| 211 | int pos = 0;
|
---|
| 212 |
|
---|
| 213 | while(1) {
|
---|
[469] | 214 | int npos = (int)str.find(';', pos);
|
---|
[387] | 215 |
|
---|
| 216 | if (npos < 0 || npos - pos < 1)
|
---|
| 217 | break;
|
---|
| 218 | filenames.push_back(string(str, pos, npos - pos));
|
---|
| 219 | pos = npos + 1;
|
---|
| 220 | }
|
---|
| 221 |
|
---|
| 222 | filenames.push_back(string(str, pos, str.size() - pos));
|
---|
[440] | 223 | return (int)filenames.size();
|
---|
[387] | 224 | }
|
---|
| 225 |
|
---|
[750] | 226 |
|
---|
[372] | 227 | bool
|
---|
| 228 | Preprocessor::LoadScene(const string filename)
|
---|
| 229 | {
|
---|
[925] | 230 | // use leaf nodes of the original spatial hierarchy as occludees
|
---|
[508] | 231 | mSceneGraph = new SceneGraph;
|
---|
[372] | 232 |
|
---|
[508] | 233 | Parser *parser;
|
---|
[387] | 234 | vector<string> filenames;
|
---|
| 235 | int files = SplitFilenames(filename, filenames);
|
---|
[712] | 236 | cout << "number of input files: " << files << endl;
|
---|
[387] | 237 | bool result = false;
|
---|
[1344] | 238 |
|
---|
| 239 | // root for different files
|
---|
| 240 | mSceneGraph->SetRoot(new SceneGraphNode());
|
---|
| 241 |
|
---|
[387] | 242 | if (files == 1) {
|
---|
| 243 |
|
---|
| 244 | if (strstr(filename.c_str(), ".x3d"))
|
---|
[749] | 245 | parser = new X3dParser;
|
---|
[387] | 246 | else
|
---|
[811] | 247 | if (strstr(filename.c_str(), ".ply") || strstr(filename.c_str(), ".plb"))
|
---|
[749] | 248 | parser = new PlyParser;
|
---|
[1221] | 249 | else if (strstr(filename.c_str(), ".obj"))
|
---|
| 250 | parser = new ObjParser;
|
---|
| 251 | else
|
---|
| 252 | parser = new UnigraphicsParser;
|
---|
[372] | 253 |
|
---|
[1328] | 254 | cout << filename << endl;
|
---|
[372] | 255 |
|
---|
[1221] | 256 | if (mRayCastMethod == Preprocessor::INTEL_RAYCASTER)
|
---|
[1344] | 257 | {
|
---|
[1328] | 258 | result = parser->ParseFile(
|
---|
| 259 | filename,
|
---|
[1344] | 260 | mSceneGraph->GetRoot(),
|
---|
[1379] | 261 | mLoadMeshes,
|
---|
[1328] | 262 | &mFaceParents);
|
---|
| 263 | }
|
---|
[1221] | 264 | else
|
---|
[1344] | 265 | {
|
---|
[1379] | 266 | result = parser->ParseFile(filename, mSceneGraph->GetRoot(), mLoadMeshes);
|
---|
[1328] | 267 | }
|
---|
[1344] | 268 |
|
---|
[387] | 269 | delete parser;
|
---|
[372] | 270 |
|
---|
[387] | 271 | } else {
|
---|
[1344] | 272 |
|
---|
[387] | 273 | for (int i= 0; i < filenames.size(); i++) {
|
---|
[1272] | 274 | if (strstr(filenames[i].c_str(), ".x3d"))
|
---|
| 275 | parser = new X3dParser;
|
---|
| 276 | else
|
---|
| 277 | parser = new UnigraphicsParser;
|
---|
| 278 |
|
---|
[1344] | 279 | SceneGraphNode *node = new SceneGraphNode();
|
---|
[1272] | 280 | bool success;
|
---|
| 281 |
|
---|
| 282 | if (mRayCastMethod == Preprocessor::INTEL_RAYCASTER)
|
---|
[1344] | 283 | {
|
---|
[1328] | 284 | success = parser->ParseFile(
|
---|
| 285 | filename,
|
---|
[1344] | 286 | node,
|
---|
[1379] | 287 | mLoadMeshes,
|
---|
[1328] | 288 | &mFaceParents);
|
---|
| 289 | }
|
---|
[1272] | 290 | else
|
---|
[1328] | 291 | {
|
---|
[1379] | 292 | success = parser->ParseFile(filename, node, mLoadMeshes);
|
---|
[1272] | 293 | }
|
---|
[1328] | 294 |
|
---|
| 295 | if (success)
|
---|
[1344] | 296 | {
|
---|
[1328] | 297 | mSceneGraph->GetRoot()->mChildren.push_back(node);
|
---|
[1344] | 298 | result = true; // at least one file parsed
|
---|
[1328] | 299 | }
|
---|
[1272] | 300 |
|
---|
| 301 | delete parser;
|
---|
[387] | 302 | }
|
---|
| 303 | }
|
---|
[1344] | 304 |
|
---|
[752] | 305 | if (result)
|
---|
[1344] | 306 | {
|
---|
[752] | 307 | // HACK
|
---|
[1020] | 308 | if (ADDITIONAL_GEOMETRY_HACK)
|
---|
| 309 | AddGeometry(mSceneGraph);
|
---|
[1328] | 310 |
|
---|
[1020] | 311 | mSceneGraph->AssignObjectIds();
|
---|
[1344] | 312 |
|
---|
[1020] | 313 | int intersectables, faces;
|
---|
| 314 | mSceneGraph->GetStatistics(intersectables, faces);
|
---|
[1344] | 315 |
|
---|
[1020] | 316 | cout<<filename<<" parsed successfully."<<endl;
|
---|
| 317 | cout<<"#NUM_OBJECTS (Total numner of objects)\n"<<intersectables<<endl;
|
---|
| 318 | cout<<"#NUM_FACES (Total numner of faces)\n"<<faces<<endl;
|
---|
| 319 | mSceneGraph->CollectObjects(&mObjects);
|
---|
[1328] | 320 | mSceneGraph->GetRoot()->UpdateBox();
|
---|
[1344] | 321 |
|
---|
[1020] | 322 | if (0)
|
---|
| 323 | {
|
---|
| 324 | Exporter *exporter = Exporter::GetExporter("testload.x3d");
|
---|
| 325 | if (exporter)
|
---|
| 326 | {
|
---|
| 327 | exporter->ExportGeometry(mObjects);
|
---|
| 328 | delete exporter;
|
---|
| 329 | }
|
---|
| 330 | }
|
---|
[387] | 331 | }
|
---|
[1328] | 332 |
|
---|
[492] | 333 | return result;
|
---|
[372] | 334 | }
|
---|
| 335 |
|
---|
| 336 | bool
|
---|
| 337 | Preprocessor::ExportPreprocessedData(const string filename)
|
---|
| 338 | {
|
---|
[871] | 339 |
|
---|
[931] | 340 | mViewCellsManager->ExportViewCells(filename, true, mObjects);
|
---|
[871] | 341 |
|
---|
| 342 | return true;
|
---|
[372] | 343 | }
|
---|
| 344 |
|
---|
| 345 | bool
|
---|
[871] | 346 | Preprocessor::PostProcessVisibility()
|
---|
| 347 | {
|
---|
| 348 |
|
---|
[904] | 349 | if (mApplyVisibilityFilter || mApplyVisibilitySpatialFilter) {
|
---|
[997] | 350 | cout<<"Applying visibility filter ...";
|
---|
[1002] | 351 | cout<<"filter width = " << mVisibilityFilterWidth << endl;
|
---|
[904] | 352 |
|
---|
[1002] | 353 | if (!mViewCellsManager)
|
---|
[1199] | 354 | return false;
|
---|
| 355 |
|
---|
[871] | 356 | mViewCellsManager->ApplyFilter(mKdTree,
|
---|
[904] | 357 | mApplyVisibilityFilter ? mVisibilityFilterWidth : -1.0f,
|
---|
| 358 | mApplyVisibilitySpatialFilter ? mVisibilityFilterWidth : -1.0f);
|
---|
[997] | 359 | cout << "done." << endl;
|
---|
[871] | 360 | }
|
---|
| 361 |
|
---|
| 362 | // export the preprocessed information to a file
|
---|
| 363 | if (mExportVisibility)
|
---|
| 364 | ExportPreprocessedData(mVisibilityFileName);
|
---|
| 365 |
|
---|
| 366 | return true;
|
---|
| 367 | }
|
---|
| 368 |
|
---|
| 369 |
|
---|
| 370 | bool
|
---|
[372] | 371 | Preprocessor::BuildKdTree()
|
---|
| 372 | {
|
---|
| 373 | mKdTree = new KdTree;
|
---|
[1344] | 374 |
|
---|
[372] | 375 | // add mesh instances of the scene graph to the root of the tree
|
---|
| 376 | KdLeaf *root = (KdLeaf *)mKdTree->GetRoot();
|
---|
[1344] | 377 |
|
---|
[372] | 378 | mSceneGraph->CollectObjects(&root->mObjects);
|
---|
[1344] | 379 |
|
---|
[1201] | 380 | long startTime = GetTime();
|
---|
| 381 | cout << "building kd tree ... " << endl;
|
---|
[1344] | 382 |
|
---|
[372] | 383 | mKdTree->Construct();
|
---|
[1344] | 384 |
|
---|
[1201] | 385 | cout << "construction finished in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs " << endl;
|
---|
[1344] | 386 |
|
---|
[372] | 387 | return true;
|
---|
| 388 | }
|
---|
| 389 |
|
---|
| 390 | void
|
---|
| 391 | Preprocessor::KdTreeStatistics(ostream &s)
|
---|
| 392 | {
|
---|
| 393 | s<<mKdTree->GetStatistics();
|
---|
| 394 | }
|
---|
| 395 |
|
---|
| 396 | void
|
---|
| 397 | Preprocessor::BspTreeStatistics(ostream &s)
|
---|
| 398 | {
|
---|
| 399 | s << mBspTree->GetStatistics();
|
---|
| 400 | }
|
---|
| 401 |
|
---|
| 402 | bool
|
---|
| 403 | Preprocessor::Export( const string filename,
|
---|
[492] | 404 | const bool scene,
|
---|
| 405 | const bool kdtree,
|
---|
| 406 | const bool bsptree
|
---|
| 407 | )
|
---|
[372] | 408 | {
|
---|
| 409 | Exporter *exporter = Exporter::GetExporter(filename);
|
---|
| 410 |
|
---|
| 411 | if (exporter) {
|
---|
| 412 | if (scene)
|
---|
[1328] | 413 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
[372] | 414 |
|
---|
| 415 | if (kdtree) {
|
---|
| 416 | exporter->SetWireframe();
|
---|
| 417 | exporter->ExportKdTree(*mKdTree);
|
---|
| 418 | }
|
---|
| 419 |
|
---|
| 420 | if (bsptree) {
|
---|
| 421 | //exporter->SetWireframe();
|
---|
| 422 | exporter->ExportBspTree(*mBspTree);
|
---|
| 423 | }
|
---|
| 424 |
|
---|
| 425 | delete exporter;
|
---|
| 426 | return true;
|
---|
| 427 | }
|
---|
| 428 |
|
---|
| 429 | return false;
|
---|
| 430 | }
|
---|
[429] | 431 |
|
---|
[508] | 432 |
|
---|
[463] | 433 | bool Preprocessor::PrepareViewCells()
|
---|
| 434 | {
|
---|
[577] | 435 | //-- parse view cells construction method
|
---|
[1004] | 436 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", mLoadViewCells);
|
---|
[577] | 437 | char buf[100];
|
---|
| 438 |
|
---|
| 439 | if (mLoadViewCells)
|
---|
[997] | 440 | {
|
---|
[1004] | 441 | Environment::GetSingleton()->GetStringValue("ViewCells.filename", buf);
|
---|
[1264] | 442 | cout << "loading view cells from " << buf << endl;
|
---|
[1004] | 443 | mViewCellsManager = ViewCellsManager::LoadViewCells(buf, &mObjects, true);
|
---|
[577] | 444 | }
|
---|
| 445 | else
|
---|
| 446 | {
|
---|
[1288] | 447 | // parse type of view cell container
|
---|
[1004] | 448 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
[1002] | 449 | mViewCellsManager = CreateViewCellsManager(buf);
|
---|
[1112] | 450 |
|
---|
| 451 | // default view space is the extent of the scene
|
---|
| 452 | mViewCellsManager->SetViewSpaceBox(mSceneGraph->GetBox());
|
---|
[577] | 453 | }
|
---|
[1112] | 454 |
|
---|
[997] | 455 | //-- parameters for render heuristics evaluation
|
---|
[473] | 456 | float objRenderCost = 0, vcOverhead = 0, moveSpeed = 0;
|
---|
| 457 |
|
---|
[1004] | 458 | Environment::GetSingleton()->GetFloatValue("Simulation.objRenderCost",objRenderCost);
|
---|
| 459 | Environment::GetSingleton()->GetFloatValue("Simulation.vcOverhead", vcOverhead);
|
---|
| 460 | Environment::GetSingleton()->GetFloatValue("Simulation.moveSpeed", moveSpeed);
|
---|
[694] | 461 |
|
---|
[473] | 462 | mRenderSimulator =
|
---|
| 463 | new RenderSimulator(mViewCellsManager, objRenderCost, vcOverhead, moveSpeed);
|
---|
[440] | 464 |
|
---|
[480] | 465 | mViewCellsManager->SetRenderer(mRenderSimulator);
|
---|
[440] | 466 |
|
---|
[574] | 467 |
|
---|
[538] | 468 | if (mUseGlRenderer || mUseGlDebugger)
|
---|
[540] | 469 | {
|
---|
| 470 | // NOTE: render texture should be power of 2 and square
|
---|
| 471 | // renderer must be initialised
|
---|
[1145] | 472 | // $$matt
|
---|
| 473 | // renderer = new GlRendererBuffer(1024, 768, mSceneGraph, mViewCellsManager, mKdTree);
|
---|
[556] | 474 | // renderer->makeCurrent();
|
---|
[746] | 475 |
|
---|
[540] | 476 | }
|
---|
[496] | 477 |
|
---|
[463] | 478 | return true;
|
---|
[490] | 479 | }
|
---|
| 480 |
|
---|
[1292] | 481 |
|
---|
| 482 | bool
|
---|
| 483 | Preprocessor::ConstructViewCells()
|
---|
| 484 | {
|
---|
| 485 | // if not already loaded, construct view cells from file
|
---|
| 486 | if (!mLoadViewCells) {
|
---|
| 487 | mViewCellsManager->SetViewSpaceBox(mKdTree->GetBox());
|
---|
| 488 |
|
---|
| 489 | // construct view cells using it's own set of samples
|
---|
| 490 | mViewCellsManager->Construct(this);
|
---|
| 491 |
|
---|
| 492 | //-- several visualizations and statistics
|
---|
| 493 | Debug << "view cells construction finished: " << endl;
|
---|
| 494 | mViewCellsManager->PrintStatistics(Debug);
|
---|
| 495 | }
|
---|
| 496 | return true;
|
---|
| 497 | }
|
---|
[490] | 498 |
|
---|
[1294] | 499 |
|
---|
[1288] | 500 | HierarchyManager *Preprocessor::CreateHierarchyManager(const char *name)
|
---|
| 501 | {
|
---|
| 502 | HierarchyManager *hierarchyManager;
|
---|
| 503 |
|
---|
| 504 | if (strcmp(name, "osp") == 0)
|
---|
| 505 | {
|
---|
[1291] | 506 | Debug << "hierarchy manager: osp" << endl;
|
---|
[1288] | 507 | // HACK for testing if per kd evaluation works!!
|
---|
[1293] | 508 | const bool ishack = false;
|
---|
[1288] | 509 | if (ishack)
|
---|
| 510 | hierarchyManager = new HierarchyManager(mVspTree, mKdTree);
|
---|
| 511 | else
|
---|
| 512 | hierarchyManager = new HierarchyManager(mVspTree, HierarchyManager::KD_BASED_OBJ_SUBDIV);
|
---|
| 513 | }
|
---|
| 514 | else if (strcmp(name, "bvh") == 0)
|
---|
| 515 | {
|
---|
[1291] | 516 | Debug << "hierarchy manager: bvh" << endl;
|
---|
[1288] | 517 | hierarchyManager = new HierarchyManager(mVspTree, HierarchyManager::BV_BASED_OBJ_SUBDIV);
|
---|
| 518 | }
|
---|
[1291] | 519 | else // only view space partition
|
---|
| 520 | {
|
---|
| 521 | Debug << "hierarchy manager: obj" << endl;
|
---|
| 522 | hierarchyManager = new HierarchyManager(mVspTree, HierarchyManager::NO_OBJ_SUBDIV);
|
---|
| 523 | }
|
---|
[1288] | 524 |
|
---|
| 525 | return hierarchyManager;
|
---|
| 526 | }
|
---|
| 527 |
|
---|
| 528 |
|
---|
[575] | 529 | ViewCellsManager *Preprocessor::CreateViewCellsManager(const char *name)
|
---|
| 530 | {
|
---|
[1264] | 531 | ViewCellsTree *vcTree = new ViewCellsTree;
|
---|
| 532 |
|
---|
[575] | 533 | if (strcmp(name, "kdTree") == 0)
|
---|
| 534 | {
|
---|
[1264] | 535 | mViewCellsManager = new KdViewCellsManager(vcTree, mKdTree);
|
---|
[575] | 536 | }
|
---|
| 537 | else if (strcmp(name, "bspTree") == 0)
|
---|
| 538 | {
|
---|
| 539 | Debug << "view cell type: Bsp" << endl;
|
---|
| 540 |
|
---|
[577] | 541 | mBspTree = new BspTree();
|
---|
[1264] | 542 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
[575] | 543 | }
|
---|
| 544 | else if (strcmp(name, "vspBspTree") == 0)
|
---|
| 545 | {
|
---|
| 546 | Debug << "view cell type: VspBsp" << endl;
|
---|
| 547 |
|
---|
[1004] | 548 | mVspBspTree = new VspBspTree();
|
---|
[1264] | 549 | mViewCellsManager = new VspBspViewCellsManager(vcTree, mVspBspTree);
|
---|
[575] | 550 | }
|
---|
[1006] | 551 | else if (strcmp(name, "vspOspTree") == 0)
|
---|
[575] | 552 | {
|
---|
[1022] | 553 | mVspTree = new VspTree();
|
---|
[1288] | 554 | char buf[100];
|
---|
| 555 | Environment::GetSingleton()->GetStringValue("Hierarchy.type", buf);
|
---|
[1022] | 556 |
|
---|
[1288] | 557 | HierarchyManager *mHierarchyManager = CreateHierarchyManager(buf);
|
---|
[1279] | 558 | mViewCellsManager = new VspOspViewCellsManager(vcTree, mHierarchyManager);
|
---|
[575] | 559 | }
|
---|
| 560 | else if (strcmp(name, "sceneDependent") == 0)
|
---|
| 561 | {
|
---|
[1143] | 562 | Debug << "view cell type: Bsp" << endl;
|
---|
| 563 |
|
---|
[575] | 564 | //TODO
|
---|
| 565 | mBspTree = new BspTree();
|
---|
[1264] | 566 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
[575] | 567 | }
|
---|
| 568 | else
|
---|
| 569 | {
|
---|
[664] | 570 | cerr << "Wrong view cells type " << name << "!!!" << endl;
|
---|
[575] | 571 | exit(1);
|
---|
| 572 | }
|
---|
| 573 |
|
---|
| 574 | return mViewCellsManager;
|
---|
| 575 | }
|
---|
| 576 |
|
---|
| 577 |
|
---|
[491] | 578 | // use ascii format to store rays
|
---|
| 579 | #define USE_ASCII 0
|
---|
| 580 |
|
---|
| 581 |
|
---|
[1145] | 582 | static inline bool ilt(Intersectable *obj1, Intersectable *obj2)
|
---|
[490] | 583 | {
|
---|
| 584 | return obj1->mId < obj2->mId;
|
---|
| 585 | }
|
---|
| 586 |
|
---|
| 587 |
|
---|
[1197] | 588 | bool Preprocessor::LoadKdTree()
|
---|
| 589 | {
|
---|
| 590 | return true;
|
---|
| 591 | }
|
---|
| 592 |
|
---|
| 593 | bool Preprocessor::ExportKdTree()
|
---|
| 594 | {
|
---|
| 595 | return true;
|
---|
| 596 | }
|
---|
| 597 |
|
---|
| 598 |
|
---|
[490] | 599 | bool Preprocessor::LoadSamples(VssRayContainer &samples,
|
---|
| 600 | ObjectContainer &objects) const
|
---|
| 601 | {
|
---|
| 602 | std::stable_sort(objects.begin(), objects.end(), ilt);
|
---|
| 603 | char fileName[100];
|
---|
[1004] | 604 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
[490] | 605 |
|
---|
[491] | 606 | Vector3 origin, termination;
|
---|
| 607 | // HACK: needed only for lower_bound algorithm to find the
|
---|
| 608 | // intersected objects
|
---|
| 609 | MeshInstance sObj(NULL);
|
---|
| 610 | MeshInstance tObj(NULL);
|
---|
[490] | 611 |
|
---|
[491] | 612 | #if USE_ASCII
|
---|
[656] | 613 | ifstream samplesIn(fileName);
|
---|
[490] | 614 | if (!samplesIn.is_open())
|
---|
| 615 | return false;
|
---|
| 616 |
|
---|
| 617 | string buf;
|
---|
| 618 | while (!(getline(samplesIn, buf)).eof())
|
---|
| 619 | {
|
---|
[491] | 620 | sscanf(buf.c_str(), "%f %f %f %f %f %f %d %d",
|
---|
[490] | 621 | &origin.x, &origin.y, &origin.z,
|
---|
[491] | 622 | &termination.x, &termination.y, &termination.z,
|
---|
| 623 | &(sObj.mId), &(tObj.mId));
|
---|
[490] | 624 |
|
---|
[491] | 625 | Intersectable *sourceObj = NULL;
|
---|
| 626 | Intersectable *termObj = NULL;
|
---|
| 627 |
|
---|
| 628 | if (sObj.mId >= 0)
|
---|
[490] | 629 | {
|
---|
| 630 | ObjectContainer::iterator oit =
|
---|
[491] | 631 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 632 | sourceObj = *oit;
|
---|
| 633 | }
|
---|
| 634 |
|
---|
| 635 | if (tObj.mId >= 0)
|
---|
| 636 | {
|
---|
| 637 | ObjectContainer::iterator oit =
|
---|
| 638 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 639 | termObj = *oit;
|
---|
| 640 | }
|
---|
[490] | 641 |
|
---|
[491] | 642 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
| 643 | }
|
---|
| 644 | #else
|
---|
| 645 | ifstream samplesIn(fileName, ios::binary);
|
---|
| 646 | if (!samplesIn.is_open())
|
---|
| 647 | return false;
|
---|
| 648 |
|
---|
| 649 | while (1)
|
---|
| 650 | {
|
---|
| 651 | samplesIn.read(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 652 | samplesIn.read(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 653 | samplesIn.read(reinterpret_cast<char *>(&(sObj.mId)), sizeof(int));
|
---|
| 654 | samplesIn.read(reinterpret_cast<char *>(&(tObj.mId)), sizeof(int));
|
---|
| 655 |
|
---|
| 656 | if (samplesIn.eof())
|
---|
| 657 | break;
|
---|
| 658 |
|
---|
| 659 | Intersectable *sourceObj = NULL;
|
---|
| 660 | Intersectable *termObj = NULL;
|
---|
| 661 |
|
---|
| 662 | if (sObj.mId >= 0)
|
---|
| 663 | {
|
---|
| 664 | ObjectContainer::iterator oit =
|
---|
| 665 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 666 | sourceObj = *oit;
|
---|
[490] | 667 | }
|
---|
[491] | 668 |
|
---|
| 669 | if (tObj.mId >= 0)
|
---|
[490] | 670 | {
|
---|
[491] | 671 | ObjectContainer::iterator oit =
|
---|
| 672 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 673 | termObj = *oit;
|
---|
[490] | 674 | }
|
---|
[491] | 675 |
|
---|
| 676 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
[490] | 677 | }
|
---|
[491] | 678 |
|
---|
| 679 | #endif
|
---|
[490] | 680 | samplesIn.close();
|
---|
| 681 |
|
---|
| 682 | return true;
|
---|
| 683 | }
|
---|
| 684 |
|
---|
[508] | 685 |
|
---|
| 686 | bool Preprocessor::ExportSamples(const VssRayContainer &samples) const
|
---|
[490] | 687 | {
|
---|
[491] | 688 | char fileName[100];
|
---|
[1004] | 689 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
[491] | 690 |
|
---|
[490] | 691 |
|
---|
| 692 | VssRayContainer::const_iterator it, it_end = samples.end();
|
---|
| 693 |
|
---|
[491] | 694 | #if USE_ASCII
|
---|
| 695 | ofstream samplesOut(fileName);
|
---|
[490] | 696 | if (!samplesOut.is_open())
|
---|
| 697 | return false;
|
---|
| 698 |
|
---|
| 699 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 700 | {
|
---|
| 701 | VssRay *ray = *it;
|
---|
[491] | 702 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 703 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 704 |
|
---|
[490] | 705 | samplesOut << ray->GetOrigin().x << " " << ray->GetOrigin().y << " " << ray->GetOrigin().z << " "
|
---|
| 706 | << ray->GetTermination().x << " " << ray->GetTermination().y << " " << ray->GetTermination().z << " "
|
---|
[491] | 707 | << sourceid << " " << termid << "\n";
|
---|
[490] | 708 | }
|
---|
[491] | 709 | #else
|
---|
| 710 | ofstream samplesOut(fileName, ios::binary);
|
---|
| 711 | if (!samplesOut.is_open())
|
---|
| 712 | return false;
|
---|
| 713 |
|
---|
| 714 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 715 | {
|
---|
| 716 | VssRay *ray = *it;
|
---|
| 717 | Vector3 origin(ray->GetOrigin());
|
---|
| 718 | Vector3 termination(ray->GetTermination());
|
---|
| 719 |
|
---|
| 720 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 721 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 722 |
|
---|
| 723 | samplesOut.write(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 724 | samplesOut.write(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 725 | samplesOut.write(reinterpret_cast<char *>(&sourceid), sizeof(int));
|
---|
| 726 | samplesOut.write(reinterpret_cast<char *>(&termid), sizeof(int));
|
---|
| 727 | }
|
---|
| 728 | #endif
|
---|
[490] | 729 | samplesOut.close();
|
---|
[1194] | 730 |
|
---|
[490] | 731 | return true;
|
---|
| 732 | }
|
---|
[563] | 733 |
|
---|
[1020] | 734 | bool Preprocessor::GenerateRays(const int number,
|
---|
| 735 | const int sampleType,
|
---|
| 736 | SimpleRayContainer &rays)
|
---|
| 737 | {
|
---|
| 738 | const int startSize = (int)rays.size();
|
---|
| 739 | SamplingStrategy *strategy = GenerateSamplingStrategy(sampleType);
|
---|
[860] | 740 |
|
---|
[1020] | 741 | if (!strategy)
|
---|
[1381] | 742 | {
|
---|
[1020] | 743 | return false;
|
---|
[1381] | 744 | }
|
---|
[1020] | 745 |
|
---|
| 746 | for (int i=0; (int)rays.size() - startSize < number; ++ i)
|
---|
| 747 | {
|
---|
| 748 | SimpleRay newRay;
|
---|
| 749 |
|
---|
[1381] | 750 | if (strategy->GenerateSample(newRay))
|
---|
| 751 | {
|
---|
| 752 | #if 1
|
---|
[1020] | 753 | rays.AddRay(newRay);
|
---|
[1381] | 754 | #else
|
---|
| 755 | GenerateRayBundle(rays, newRay, 16, 0);
|
---|
| 756 | #endif
|
---|
| 757 | }
|
---|
[1020] | 758 | }
|
---|
| 759 |
|
---|
| 760 | delete strategy;
|
---|
| 761 | return true;
|
---|
[878] | 762 | }
|
---|
[1020] | 763 |
|
---|
| 764 |
|
---|
| 765 | SamplingStrategy *Preprocessor::GenerateSamplingStrategy(const int strategyId) const
|
---|
| 766 | {
|
---|
| 767 | switch (strategyId)
|
---|
| 768 | {
|
---|
| 769 | case OBJECT_BASED_DISTRIBUTION:
|
---|
| 770 | return new ObjectBasedDistribution(*this);
|
---|
| 771 | case OBJECT_DIRECTION_BASED_DISTRIBUTION:
|
---|
| 772 | return new ObjectDirectionBasedDistribution(*this);
|
---|
| 773 | case DIRECTION_BASED_DISTRIBUTION:
|
---|
| 774 | return new DirectionBasedDistribution(*this);
|
---|
| 775 | case DIRECTION_BOX_BASED_DISTRIBUTION:
|
---|
| 776 | return new DirectionBoxBasedDistribution(*this);
|
---|
| 777 | case SPATIAL_BOX_BASED_DISTRIBUTION:
|
---|
| 778 | return new SpatialBoxBasedDistribution(*this);
|
---|
[1021] | 779 | //case OBJECTS_INTERIOR_DISTRIBUTION:
|
---|
| 780 | // return new ObjectsInteriorDistribution(*this);
|
---|
[1020] | 781 | default: // no valid strategy
|
---|
[1279] | 782 | Debug << "warning: no valid sampling strategy" << endl;
|
---|
[1020] | 783 | return NULL;
|
---|
| 784 | }
|
---|
[1221] | 785 |
|
---|
[1020] | 786 | // should never come here
|
---|
| 787 | return NULL;
|
---|
| 788 | }
|
---|
| 789 |
|
---|
| 790 |
|
---|
[1221] | 791 | bool Preprocessor::InitRayCast(const string externKdTree)
|
---|
| 792 | {
|
---|
| 793 | switch (mRayCastMethod) // use intel ray tracing
|
---|
| 794 | {
|
---|
| 795 | case INTEL_RAYCASTER:
|
---|
[1251] | 796 | #ifdef GTP_INTERNAL
|
---|
[1344] | 797 | cout<<"Ray Cast file: " << externKdTree << endl;
|
---|
[1272] | 798 | return mlrtaLoadAS(externKdTree.c_str());
|
---|
[1232] | 799 | #endif
|
---|
[1221] | 800 | case INTERNAL_RAYCASTER:
|
---|
| 801 | default:
|
---|
| 802 | break;
|
---|
| 803 | }
|
---|
| 804 |
|
---|
| 805 | return true;
|
---|
[1020] | 806 | }
|
---|
[1221] | 807 |
|
---|
[1251] | 808 |
|
---|
| 809 | int Preprocessor::CastIntelDoubleRay(
|
---|
| 810 | const Vector3 &viewPoint,
|
---|
| 811 | const Vector3 &direction,
|
---|
| 812 | const float probability,
|
---|
| 813 | VssRayContainer &vssRays,
|
---|
| 814 | const AxisAlignedBox3 &box
|
---|
| 815 | )
|
---|
| 816 | {
|
---|
[1294] | 817 | #ifdef GTP_INTERNAL
|
---|
[1344] | 818 | //cout << "intel ray" << endl;
|
---|
[1251] | 819 | VssRay *vssRay = NULL;
|
---|
| 820 | int hits = 0;
|
---|
[1293] | 821 | int hittriangle;
|
---|
[1251] | 822 | Vector3 pointA, pointB;
|
---|
[1292] | 823 | Vector3 normalA, normalB;
|
---|
| 824 | Intersectable *objectA = NULL, *objectB = NULL;
|
---|
| 825 | float dist;
|
---|
| 826 | double normal[3];
|
---|
[1294] | 827 |
|
---|
[1292] | 828 | hittriangle = mlrtaIntersectAS(&viewPoint.x,
|
---|
[1344] | 829 | &direction.x,
|
---|
| 830 | normal,
|
---|
| 831 | dist);
|
---|
[1294] | 832 |
|
---|
[1344] | 833 | if (hittriangle != -1 ) {
|
---|
| 834 | if (hittriangle >= mFaceParents.size())
|
---|
| 835 | cerr<<"Warning: triangle index out of range! "<<hittriangle<<endl;
|
---|
| 836 | else {
|
---|
| 837 | objectA = mFaceParents[hittriangle].mObject;
|
---|
| 838 | normalA = Vector3(normal[0], normal[1], normal[2]);
|
---|
| 839 | // Get the normal of that face
|
---|
| 840 | // Mesh *mesh = ((MeshInstance *)objectA)->GetMesh();
|
---|
| 841 | // normalA = mesh->GetFacePlane(mFaceParents[forward_hit_triangles[i]].mFaceIndex).mNormal;
|
---|
| 842 | //-rays[index+i].mDirection; // $$ temporary
|
---|
| 843 | pointA = viewPoint + direction*dist;
|
---|
| 844 | }
|
---|
[1292] | 845 | }
|
---|
[1251] | 846 |
|
---|
[1344] | 847 |
|
---|
[1292] | 848 | Vector3 dir = -direction;
|
---|
| 849 | hittriangle = mlrtaIntersectAS(&viewPoint.x,
|
---|
[1344] | 850 | &dir.x,
|
---|
| 851 | normal,
|
---|
| 852 | dist);
|
---|
[1293] | 853 |
|
---|
[1344] | 854 | if (hittriangle != -1 ) {
|
---|
| 855 | if (hittriangle >= mFaceParents.size())
|
---|
| 856 | cerr<<"Warning: triangle index out of range! "<<hittriangle<<endl;
|
---|
| 857 | else {
|
---|
| 858 | objectB = mFaceParents[hittriangle].mObject;
|
---|
| 859 | normalB = Vector3(normal[0], normal[1], normal[2]);
|
---|
| 860 | // Get the normal of that face
|
---|
| 861 | // Mesh *mesh = ((MeshInstance *)objectB)->GetMesh();
|
---|
| 862 | // normalA = mesh->GetFacePlane(mFaceParents[forward_hit_triangles[i]].mFaceIndex).mNormal;
|
---|
| 863 | //-rays[index+i].mDirection; // $$ temporary
|
---|
| 864 | pointB = viewPoint + dir * dist;
|
---|
| 865 | }
|
---|
[1251] | 866 | }
|
---|
[1279] | 867 |
|
---|
[1292] | 868 | return ProcessRay(viewPoint,
|
---|
[1344] | 869 | direction,
|
---|
| 870 | objectA, pointA, normalA,
|
---|
| 871 | objectB, pointB, normalB,
|
---|
| 872 | probability,
|
---|
| 873 | vssRays,
|
---|
| 874 | box
|
---|
| 875 | );
|
---|
[1294] | 876 | #else
|
---|
| 877 | return -1;
|
---|
| 878 | #endif
|
---|
[1221] | 879 | }
|
---|
[1251] | 880 |
|
---|
| 881 |
|
---|
| 882 | Intersectable *Preprocessor::CastIntelSingleRay(const Vector3 &viewPoint,
|
---|
| 883 | const Vector3 &direction,
|
---|
| 884 | //const float probability,
|
---|
| 885 | Vector3 &tPoint,
|
---|
| 886 | const AxisAlignedBox3 &box
|
---|
| 887 | )
|
---|
| 888 | {
|
---|
| 889 | AxisAlignedBox3 sbox = box;
|
---|
| 890 | sbox.Enlarge(Vector3(-Limits::Small));
|
---|
| 891 |
|
---|
| 892 | if (!sbox.IsInside(viewPoint))
|
---|
| 893 | return 0;
|
---|
| 894 |
|
---|
[1294] | 895 | #ifdef GTP_INTERNAL
|
---|
[1251] | 896 | float pforg[3];
|
---|
| 897 | float pfdir[3];
|
---|
[1272] | 898 | double pfnorm[3];
|
---|
[1251] | 899 |
|
---|
| 900 | pforg[0] = viewPoint[0]; pforg[1] = viewPoint[1]; pforg[2] = viewPoint[2];
|
---|
| 901 | pfdir[0] = direction[0]; pfdir[1] = direction[1]; pfdir[2] = direction[2];
|
---|
| 902 |
|
---|
[1294] | 903 | float dist;
|
---|
[1251] | 904 | const int hittriangle = mlrtaIntersectAS(pforg, pfdir, pfnorm, dist);
|
---|
| 905 |
|
---|
| 906 | if (hittriangle == -1)
|
---|
[1292] | 907 | {
|
---|
[1251] | 908 | static Ray ray;
|
---|
| 909 | SetupRay(ray, viewPoint, direction);
|
---|
[1292] | 910 |
|
---|
[1251] | 911 | float tmin = 0, tmax;
|
---|
| 912 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
[1292] | 913 | {
|
---|
[1251] | 914 | tPoint = ray.Extrap(tmax);
|
---|
[1292] | 915 | }
|
---|
| 916 |
|
---|
[1251] | 917 | return NULL;
|
---|
[1292] | 918 | }
|
---|
| 919 | else {
|
---|
| 920 | if (hittriangle >= mFaceParents.size()) {
|
---|
[1344] | 921 | cerr<<"Warning: triangle index out of range! "<<hittriangle<<endl;
|
---|
[1292] | 922 | return NULL;
|
---|
| 923 | }
|
---|
| 924 | else {
|
---|
| 925 |
|
---|
[1251] | 926 | tPoint[0] = pforg[0] + pfdir[0] * dist;
|
---|
| 927 | tPoint[1] = pforg[1] + pfdir[1] * dist;
|
---|
| 928 | tPoint[2] = pforg[2] + pfdir[2] * dist;
|
---|
[1292] | 929 |
|
---|
[1281] | 930 | return mFaceParents[hittriangle].mObject;
|
---|
[1292] | 931 | }
|
---|
[1251] | 932 | }
|
---|
[1294] | 933 |
|
---|
| 934 | #else
|
---|
| 935 | const int hittriangle = -1;
|
---|
| 936 | return NULL;
|
---|
| 937 | #endif
|
---|
| 938 |
|
---|
[1251] | 939 | }
|
---|
| 940 |
|
---|
| 941 |
|
---|
| 942 | int Preprocessor::CastInternalRay(
|
---|
| 943 | const Vector3 &viewPoint,
|
---|
| 944 | const Vector3 &direction,
|
---|
| 945 | const float probability,
|
---|
| 946 | VssRayContainer &vssRays,
|
---|
| 947 | const AxisAlignedBox3 &box
|
---|
| 948 | )
|
---|
| 949 | {
|
---|
[1359] | 950 | //cout << "internal ray" << endl;
|
---|
[1272] | 951 | int hits = 0;
|
---|
| 952 | static Ray ray;
|
---|
| 953 | Intersectable *objectA, *objectB;
|
---|
| 954 | Vector3 pointA, pointB;
|
---|
[1251] | 955 |
|
---|
[1272] | 956 | // AxisAlignedBox3 box = Union(mKdTree->GetBox(), mViewCellsManager->GetViewSpaceBox());
|
---|
| 957 | AxisAlignedBox3 sbox = box;
|
---|
| 958 | sbox.Enlarge(Vector3(-Limits::Small));
|
---|
| 959 | if (!sbox.IsInside(viewPoint))
|
---|
| 960 | return 0;
|
---|
[1251] | 961 |
|
---|
[1272] | 962 | SetupRay(ray, viewPoint, direction);
|
---|
| 963 | ray.mFlags &= ~Ray::CULL_BACKFACES;
|
---|
[1251] | 964 |
|
---|
[1272] | 965 | // cast ray to KD tree to find intersection with other objects
|
---|
| 966 | float bsize = Magnitude(box.Size());
|
---|
| 967 |
|
---|
| 968 |
|
---|
| 969 | if (mKdTree->CastRay(ray)) {
|
---|
| 970 | objectA = ray.intersections[0].mObject;
|
---|
| 971 | pointA = ray.Extrap(ray.intersections[0].mT);
|
---|
| 972 | if (mDetectEmptyViewSpace)
|
---|
| 973 | if (DotProd(ray.intersections[0].mNormal, direction) >= 0) {
|
---|
| 974 | // discard the sample
|
---|
| 975 | return 0;
|
---|
| 976 | }
|
---|
| 977 |
|
---|
| 978 | } else {
|
---|
| 979 | objectA = NULL;
|
---|
| 980 | // compute intersection with the scene bounding box
|
---|
| 981 | float tmin, tmax;
|
---|
| 982 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
| 983 | pointA = ray.Extrap(tmax);
|
---|
[1251] | 984 | else
|
---|
[1272] | 985 | return 0;
|
---|
| 986 | }
|
---|
[1251] | 987 |
|
---|
[1272] | 988 | SetupRay(ray, viewPoint, -direction);
|
---|
| 989 | ray.mFlags &= ~Ray::CULL_BACKFACES;
|
---|
| 990 |
|
---|
| 991 | if (mKdTree->CastRay(ray)) {
|
---|
| 992 | objectB = ray.intersections[0].mObject;
|
---|
| 993 | pointB = ray.Extrap(ray.intersections[0].mT);
|
---|
| 994 | if (mDetectEmptyViewSpace)
|
---|
| 995 | if (DotProd(ray.intersections[0].mNormal, direction) <= 0) {
|
---|
| 996 | // discard the sample
|
---|
| 997 | return 0;
|
---|
| 998 | }
|
---|
| 999 | } else {
|
---|
| 1000 | objectB = NULL;
|
---|
| 1001 | float tmin, tmax;
|
---|
| 1002 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
| 1003 | pointB = ray.Extrap(tmax);
|
---|
[1251] | 1004 | else
|
---|
[1272] | 1005 | return 0;
|
---|
| 1006 | }
|
---|
[1251] | 1007 |
|
---|
| 1008 |
|
---|
[1272] | 1009 | VssRay *vssRay = NULL;
|
---|
| 1010 | bool validSample = (objectA != objectB);
|
---|
| 1011 | if (validSample) {
|
---|
| 1012 | if (objectA) {
|
---|
| 1013 | vssRay = new VssRay(pointB,
|
---|
| 1014 | pointA,
|
---|
| 1015 | objectB,
|
---|
| 1016 | objectA,
|
---|
| 1017 | mPass,
|
---|
| 1018 | probability
|
---|
| 1019 | );
|
---|
| 1020 | vssRays.push_back(vssRay);
|
---|
[1344] | 1021 | //cout << "ray: " << *vssRay << endl;
|
---|
[1272] | 1022 | hits ++;
|
---|
[1251] | 1023 | }
|
---|
| 1024 |
|
---|
[1272] | 1025 | if (objectB) {
|
---|
| 1026 | vssRay = new VssRay(pointA,
|
---|
| 1027 | pointB,
|
---|
| 1028 | objectA,
|
---|
| 1029 | objectB,
|
---|
| 1030 | mPass,
|
---|
| 1031 | probability
|
---|
| 1032 | );
|
---|
| 1033 | vssRays.push_back(vssRay);
|
---|
[1344] | 1034 | //cout << "ray: " << *vssRay << endl;
|
---|
[1272] | 1035 | hits ++;
|
---|
[1251] | 1036 | }
|
---|
[1272] | 1037 | }
|
---|
| 1038 |
|
---|
| 1039 | return hits;
|
---|
[1251] | 1040 | }
|
---|
| 1041 |
|
---|
| 1042 |
|
---|
[1281] | 1043 | int
|
---|
| 1044 | Preprocessor::ProcessRay(
|
---|
[1283] | 1045 | const Vector3 &viewPoint,
|
---|
| 1046 | const Vector3 &direction,
|
---|
[1281] | 1047 | Intersectable *objectA,
|
---|
| 1048 | Vector3 &pointA,
|
---|
[1283] | 1049 | const Vector3 &normalA,
|
---|
[1281] | 1050 | Intersectable *objectB,
|
---|
| 1051 | Vector3 &pointB,
|
---|
[1283] | 1052 | const Vector3 &normalB,
|
---|
[1281] | 1053 | const float probability,
|
---|
| 1054 | VssRayContainer &vssRays,
|
---|
| 1055 | const AxisAlignedBox3 &box
|
---|
| 1056 | )
|
---|
| 1057 | {
|
---|
| 1058 | int hits=0;
|
---|
[1292] | 1059 | #if DEBUG_RAYCAST
|
---|
| 1060 | Debug<<"PR ";
|
---|
| 1061 | #endif
|
---|
[1281] | 1062 | if (objectA == NULL && objectB == NULL)
|
---|
| 1063 | return 0;
|
---|
[1292] | 1064 |
|
---|
[1281] | 1065 | AxisAlignedBox3 sbox = box;
|
---|
| 1066 | sbox.Enlarge(Vector3(-Limits::Small));
|
---|
| 1067 |
|
---|
| 1068 | if (!sbox.IsInside(viewPoint))
|
---|
| 1069 | return 0;
|
---|
| 1070 |
|
---|
| 1071 | if (objectA == NULL) {
|
---|
| 1072 | // compute intersection with the scene bounding box
|
---|
| 1073 | static Ray ray;
|
---|
| 1074 | SetupRay(ray, viewPoint, direction);
|
---|
| 1075 |
|
---|
| 1076 | float tmin, tmax;
|
---|
| 1077 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
| 1078 | pointA = ray.Extrap(tmax);
|
---|
| 1079 | else
|
---|
| 1080 | return 0;
|
---|
| 1081 | } else {
|
---|
| 1082 | if (mDetectEmptyViewSpace)
|
---|
| 1083 | if (DotProd(normalA, direction) >= 0) {
|
---|
| 1084 | // discard the sample
|
---|
| 1085 | return 0;
|
---|
| 1086 | }
|
---|
| 1087 | }
|
---|
| 1088 |
|
---|
| 1089 | if (objectB == NULL) {
|
---|
| 1090 | // compute intersection with the scene bounding box
|
---|
| 1091 | static Ray ray;
|
---|
| 1092 | SetupRay(ray, viewPoint, -direction);
|
---|
| 1093 |
|
---|
| 1094 | float tmin, tmax;
|
---|
| 1095 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
| 1096 | pointB = ray.Extrap(tmax);
|
---|
| 1097 | else
|
---|
| 1098 | return 0;
|
---|
| 1099 | } else {
|
---|
| 1100 | if (mDetectEmptyViewSpace)
|
---|
| 1101 | if (DotProd(normalB, direction) <= 0) {
|
---|
| 1102 | // discard the sample
|
---|
| 1103 | return 0;
|
---|
| 1104 | }
|
---|
| 1105 | }
|
---|
| 1106 |
|
---|
| 1107 | VssRay *vssRay = NULL;
|
---|
| 1108 | bool validSample = (objectA != objectB);
|
---|
| 1109 | if (validSample) {
|
---|
| 1110 | if (objectA) {
|
---|
| 1111 | vssRay = new VssRay(pointB,
|
---|
| 1112 | pointA,
|
---|
| 1113 | objectB,
|
---|
| 1114 | objectA,
|
---|
| 1115 | mPass,
|
---|
| 1116 | probability
|
---|
| 1117 | );
|
---|
| 1118 | vssRays.push_back(vssRay);
|
---|
[1344] | 1119 | //cout << "ray: " << *vssRay << endl;
|
---|
[1281] | 1120 | hits ++;
|
---|
| 1121 | }
|
---|
| 1122 |
|
---|
| 1123 | if (objectB) {
|
---|
| 1124 | vssRay = new VssRay(pointA,
|
---|
| 1125 | pointB,
|
---|
| 1126 | objectA,
|
---|
| 1127 | objectB,
|
---|
| 1128 | mPass,
|
---|
| 1129 | probability
|
---|
| 1130 | );
|
---|
| 1131 | vssRays.push_back(vssRay);
|
---|
[1344] | 1132 | //cout << "ray: " << *vssRay << endl;
|
---|
[1281] | 1133 | hits ++;
|
---|
| 1134 | }
|
---|
| 1135 | }
|
---|
[1292] | 1136 |
|
---|
| 1137 |
|
---|
[1281] | 1138 | return hits;
|
---|
| 1139 | }
|
---|
| 1140 |
|
---|
| 1141 | void
|
---|
| 1142 | Preprocessor::CastRays16(const int index,
|
---|
| 1143 | SimpleRayContainer &rays,
|
---|
| 1144 | VssRayContainer &vssRays,
|
---|
| 1145 | const AxisAlignedBox3 &sbox)
|
---|
| 1146 | {
|
---|
| 1147 | int i;
|
---|
[1344] | 1148 | const int num = 16;
|
---|
[1292] | 1149 |
|
---|
| 1150 | #if DEBUG_RAYCAST
|
---|
| 1151 | Debug<<"C16 "<<flush;
|
---|
| 1152 | #endif
|
---|
[1281] | 1153 | if (mRayCastMethod == INTEL_RAYCASTER) {
|
---|
| 1154 | #ifdef GTP_INTERNAL
|
---|
| 1155 |
|
---|
| 1156 | int forward_hit_triangles[16];
|
---|
| 1157 | float forward_dist[16];
|
---|
| 1158 |
|
---|
| 1159 | int backward_hit_triangles[16];
|
---|
| 1160 | float backward_dist[16];
|
---|
[1292] | 1161 |
|
---|
| 1162 |
|
---|
[1281] | 1163 | Vector3 min = sbox.Min();
|
---|
| 1164 | Vector3 max = sbox.Max();
|
---|
[1344] | 1165 |
|
---|
[1281] | 1166 | for (i=0; i < num; i++) {
|
---|
| 1167 | mlrtaStoreRayAS16(&rays[index + i].mOrigin.x,
|
---|
| 1168 | &rays[index + i].mDirection.x,
|
---|
| 1169 | i);
|
---|
| 1170 | }
|
---|
| 1171 |
|
---|
| 1172 | mlrtaTraverseGroupAS16(&min.x,
|
---|
| 1173 | &max.x,
|
---|
| 1174 | forward_hit_triangles,
|
---|
| 1175 | forward_dist);
|
---|
| 1176 |
|
---|
| 1177 | for (i=0; i < num; i++) {
|
---|
[1292] | 1178 | Vector3 dir = -rays[index + i].mDirection;
|
---|
[1281] | 1179 | mlrtaStoreRayAS16(&rays[index+i].mOrigin.x,
|
---|
| 1180 | &dir.x,
|
---|
| 1181 | i);
|
---|
| 1182 | }
|
---|
| 1183 |
|
---|
| 1184 | mlrtaTraverseGroupAS16(&min.x,
|
---|
| 1185 | &max.x,
|
---|
| 1186 | backward_hit_triangles,
|
---|
| 1187 | backward_dist);
|
---|
| 1188 |
|
---|
| 1189 |
|
---|
| 1190 | for (i=0; i < num; i++) {
|
---|
| 1191 | Intersectable *objectA = NULL, *objectB = NULL;
|
---|
| 1192 | Vector3 pointA, pointB;
|
---|
| 1193 | Vector3 normalA, normalB;
|
---|
[1292] | 1194 |
|
---|
[1344] | 1195 | if (forward_hit_triangles[i] != -1 ) {
|
---|
[1292] | 1196 | if (forward_hit_triangles[i] >= mFaceParents.size())
|
---|
[1344] | 1197 | cerr<<"Warning: triangle index out of range! "<<forward_hit_triangles[i]<<endl;
|
---|
| 1198 | else {
|
---|
[1292] | 1199 | objectA = mFaceParents[forward_hit_triangles[i]].mObject;
|
---|
| 1200 | // Get the normal of that face
|
---|
[1344] | 1201 | normalA = objectA->GetNormal(mFaceParents[forward_hit_triangles[i]].mFaceIndex);
|
---|
[1292] | 1202 | //-rays[index+i].mDirection; // $$ temporary
|
---|
| 1203 | pointA = rays[index+i].Extrap(forward_dist[i]);
|
---|
| 1204 | }
|
---|
[1281] | 1205 | }
|
---|
[1344] | 1206 |
|
---|
[1281] | 1207 | if (backward_hit_triangles[i]!=-1) {
|
---|
[1292] | 1208 | if (backward_hit_triangles[i] >= mFaceParents.size())
|
---|
[1344] | 1209 | cerr<<"Warning: triangle index out of range! "<<backward_hit_triangles[i]<<endl;
|
---|
| 1210 | else {
|
---|
[1292] | 1211 | objectB = mFaceParents[backward_hit_triangles[i]].mObject;
|
---|
[1344] | 1212 | normalB = objectB->GetNormal(mFaceParents[forward_hit_triangles[i]].mFaceIndex);
|
---|
[1292] | 1213 |
|
---|
[1344] | 1214 | // normalB = rays[index+i].mDirection; // $$ temporary
|
---|
[1292] | 1215 | pointB = rays[index+i].Extrap(-backward_dist[i]);
|
---|
| 1216 | }
|
---|
| 1217 | }
|
---|
[1344] | 1218 |
|
---|
[1281] | 1219 | ProcessRay(rays[index+i].mOrigin,
|
---|
| 1220 | rays[index+i].mDirection,
|
---|
| 1221 | objectA, pointA, normalA,
|
---|
| 1222 | objectB, pointB, normalB,
|
---|
| 1223 | rays[index+i].mPdf,
|
---|
| 1224 | vssRays,
|
---|
| 1225 | sbox
|
---|
| 1226 | );
|
---|
| 1227 | }
|
---|
[1344] | 1228 |
|
---|
[1281] | 1229 | #endif
|
---|
[1292] | 1230 |
|
---|
[1281] | 1231 | } else {
|
---|
| 1232 |
|
---|
| 1233 | for (i=index; i < index + num; i++) {
|
---|
| 1234 | CastRay(rays[i].mOrigin,
|
---|
| 1235 | rays[i].mDirection,
|
---|
| 1236 | rays[i].mPdf,
|
---|
| 1237 | vssRays,
|
---|
| 1238 | sbox);
|
---|
| 1239 | }
|
---|
| 1240 | }
|
---|
[1292] | 1241 | #if DEBUG_RAYCAST
|
---|
| 1242 | Debug<<"C16F\n"<<flush;
|
---|
| 1243 | #endif
|
---|
[1281] | 1244 | }
|
---|
| 1245 |
|
---|
| 1246 | void
|
---|
| 1247 | Preprocessor::CastRays(
|
---|
| 1248 | SimpleRayContainer &rays,
|
---|
| 1249 | VssRayContainer &vssRays
|
---|
| 1250 | )
|
---|
| 1251 | {
|
---|
| 1252 | long t1 = GetTime();
|
---|
[1344] | 1253 |
|
---|
| 1254 | for (int i = 0; i < (int)rays.size(); ) {
|
---|
| 1255 | // method only available for intel raycaster yet
|
---|
| 1256 | if (i + 16 < (int)rays.size()) {
|
---|
| 1257 |
|
---|
[1281] | 1258 | CastRays16(
|
---|
| 1259 | i,
|
---|
| 1260 | rays,
|
---|
| 1261 | vssRays,
|
---|
| 1262 | mViewCellsManager->GetViewSpaceBox());
|
---|
| 1263 | i += 16;
|
---|
| 1264 | } else {
|
---|
| 1265 | CastRay(rays[i].mOrigin,
|
---|
| 1266 | rays[i].mDirection,
|
---|
| 1267 | rays[i].mPdf,
|
---|
| 1268 | vssRays,
|
---|
| 1269 | mViewCellsManager->GetViewSpaceBox());
|
---|
| 1270 | i++;
|
---|
| 1271 | }
|
---|
| 1272 | if (i % 10000 == 0)
|
---|
| 1273 | cout<<".";
|
---|
| 1274 | }
|
---|
| 1275 |
|
---|
| 1276 | long t2 = GetTime();
|
---|
| 1277 | cout<<2*rays.size()/(1e3*TimeDiff(t1, t2))<<"M rays/s"<<endl;
|
---|
| 1278 | }
|
---|
| 1279 |
|
---|
[1292] | 1280 | Intersectable *
|
---|
| 1281 | Preprocessor::CastSimpleRay(
|
---|
| 1282 | const Vector3 &viewPoint,
|
---|
| 1283 | const Vector3 &direction,
|
---|
| 1284 | const AxisAlignedBox3 &box,
|
---|
| 1285 | Vector3 &point,
|
---|
| 1286 | Vector3 &normal
|
---|
| 1287 | )
|
---|
| 1288 | {
|
---|
| 1289 | Intersectable *result = NULL;
|
---|
| 1290 | switch (mRayCastMethod)
|
---|
| 1291 | {
|
---|
| 1292 | case INTEL_RAYCASTER: {
|
---|
[1294] | 1293 |
|
---|
[1292] | 1294 | int hittriangle;
|
---|
[1294] | 1295 |
|
---|
| 1296 | #ifdef GTP_INTERNAL
|
---|
| 1297 | float dist;
|
---|
[1292] | 1298 | double n[3];
|
---|
[1293] | 1299 |
|
---|
[1292] | 1300 | hittriangle = mlrtaIntersectAS(&viewPoint.x,
|
---|
| 1301 | &direction.x,
|
---|
| 1302 | n,
|
---|
| 1303 | dist);
|
---|
[1293] | 1304 |
|
---|
[1294] | 1305 | if (hittriangle !=-1 ) {
|
---|
[1292] | 1306 | if (hittriangle >= mFaceParents.size())
|
---|
[1344] | 1307 | cerr<<"Warning: triangle index out of range! "<<hittriangle<<endl;
|
---|
[1292] | 1308 | else {
|
---|
| 1309 | result = mFaceParents[hittriangle].mObject;
|
---|
| 1310 | normal = Vector3(n[0], n[1], n[2]);
|
---|
| 1311 | point = viewPoint + direction*dist;
|
---|
| 1312 | }
|
---|
| 1313 | }
|
---|
[1294] | 1314 | #else
|
---|
[1344] | 1315 | hittriangle = -1;
|
---|
[1294] | 1316 | #endif
|
---|
| 1317 |
|
---|
[1292] | 1318 | break;
|
---|
| 1319 | }
|
---|
| 1320 | case INTERNAL_RAYCASTER:
|
---|
| 1321 | default: {
|
---|
| 1322 | static Ray ray;
|
---|
| 1323 |
|
---|
| 1324 | ray.intersections.clear();
|
---|
| 1325 | // do not store anything else then intersections at the ray
|
---|
| 1326 | ray.Init(viewPoint, direction, Ray::LOCAL_RAY);
|
---|
| 1327 |
|
---|
| 1328 | ray.mFlags &= ~Ray::CULL_BACKFACES;
|
---|
| 1329 |
|
---|
| 1330 | if (mKdTree->CastRay(ray)) {
|
---|
| 1331 | result = ray.intersections[0].mObject;
|
---|
| 1332 | point = ray.Extrap(ray.intersections[0].mT);
|
---|
| 1333 | normal = ray.intersections[0].mNormal;
|
---|
| 1334 | }
|
---|
| 1335 | break;
|
---|
| 1336 | }
|
---|
| 1337 | }
|
---|
| 1338 | return result;
|
---|
| 1339 | }
|
---|
[1286] | 1340 |
|
---|
[1292] | 1341 | int
|
---|
| 1342 | Preprocessor::CastRay(
|
---|
| 1343 | const Vector3 &viewPoint,
|
---|
| 1344 | const Vector3 &direction,
|
---|
| 1345 | const float probability,
|
---|
| 1346 | VssRayContainer &vssRays,
|
---|
| 1347 | const AxisAlignedBox3 &box
|
---|
| 1348 | )
|
---|
[1251] | 1349 | {
|
---|
[1292] | 1350 | #if DEBUG_RAYCAST
|
---|
| 1351 | Debug<<"CR "<<flush;
|
---|
| 1352 | #endif
|
---|
| 1353 | switch (mRayCastMethod)
|
---|
[1251] | 1354 | {
|
---|
| 1355 | case INTEL_RAYCASTER:
|
---|
| 1356 | return CastIntelDoubleRay(viewPoint, direction, probability, vssRays, box);
|
---|
| 1357 | case INTERNAL_RAYCASTER:
|
---|
| 1358 | default:
|
---|
| 1359 | return CastInternalRay(viewPoint, direction, probability, vssRays, box);
|
---|
| 1360 | }
|
---|
[1381] | 1361 | #if DEBUG_RAYCAST
|
---|
[1292] | 1362 | Debug<<"CRF "<<flush;
|
---|
| 1363 | #endif
|
---|
[1251] | 1364 | }
|
---|
| 1365 |
|
---|
| 1366 |
|
---|
[1381] | 1367 | bool Preprocessor::GenerateRayBundle(SimpleRayContainer &rayBundle,
|
---|
| 1368 | const SimpleRay &mainRay,
|
---|
| 1369 | const int number,
|
---|
| 1370 | const int pertubType) const
|
---|
| 1371 | {
|
---|
| 1372 | rayBundle.push_back(mainRay);
|
---|
| 1373 |
|
---|
| 1374 | const float pertubOrigin = 10.0f;
|
---|
| 1375 | const float pertubDir = 0.0f;
|
---|
| 1376 |
|
---|
| 1377 | for (int i = 0; i < number - 1; ++ i)
|
---|
| 1378 | {
|
---|
| 1379 | Vector3 pertub;
|
---|
| 1380 |
|
---|
| 1381 | pertub.x = RandomValue(0.0f, pertubDir);
|
---|
| 1382 | pertub.y = RandomValue(0.0f, pertubDir);
|
---|
| 1383 | pertub.z = RandomValue(0.0f, pertubDir);
|
---|
| 1384 | const Vector3 newDir = mainRay.mDirection + pertub;
|
---|
| 1385 | //const Vector3 newDir = mainRay.mDirection;
|
---|
| 1386 |
|
---|
| 1387 | pertub.x = RandomValue(0.0f, pertubOrigin);
|
---|
| 1388 | pertub.y = RandomValue(0.0f, pertubOrigin);
|
---|
| 1389 | pertub.z = RandomValue(0.0f, pertubOrigin);
|
---|
| 1390 | const Vector3 newOrigin = mainRay.mOrigin + pertub;
|
---|
| 1391 | //const Vector3 newOrigin = mainRay.mOrigin;
|
---|
| 1392 |
|
---|
| 1393 | rayBundle.push_back(SimpleRay(newOrigin, newDir, 0));
|
---|
| 1394 | }
|
---|
| 1395 |
|
---|
| 1396 | return true;
|
---|
| 1397 | }
|
---|
| 1398 |
|
---|
| 1399 |
|
---|
[1251] | 1400 | void Preprocessor::SetupRay(Ray &ray,
|
---|
| 1401 | const Vector3 &point,
|
---|
| 1402 | const Vector3 &direction
|
---|
| 1403 | )
|
---|
| 1404 | {
|
---|
| 1405 | ray.Clear();
|
---|
| 1406 | // do not store anything else then intersections at the ray
|
---|
| 1407 | ray.Init(point, direction, Ray::LOCAL_RAY);
|
---|
| 1408 | }
|
---|
| 1409 |
|
---|
| 1410 | }
|
---|