[440] | 1 | #include "ViewCellsManager.h"
|
---|
| 2 | #include "RenderSimulator.h"
|
---|
| 3 | #include "Mesh.h"
|
---|
| 4 | #include "Triangle3.h"
|
---|
| 5 | #include "ViewCell.h"
|
---|
| 6 | #include "Environment.h"
|
---|
| 7 | #include "X3dParser.h"
|
---|
| 8 | #include "ViewCellBsp.h"
|
---|
| 9 | #include "KdTree.h"
|
---|
[1233] | 10 | #include "HierarchyManager.h"
|
---|
[440] | 11 | #include "Exporter.h"
|
---|
[442] | 12 | #include "VspBspTree.h"
|
---|
[508] | 13 | #include "ViewCellsParser.h"
|
---|
[532] | 14 | #include "Beam.h"
|
---|
[540] | 15 | #include "VssPreprocessor.h"
|
---|
| 16 | #include "RssPreprocessor.h"
|
---|
[931] | 17 | #include "BoundingBoxConverter.h"
|
---|
[979] | 18 | #include "GlRenderer.h"
|
---|
[1001] | 19 | #include "ResourceManager.h"
|
---|
[1315] | 20 | #include "IntersectableWrapper.h"
|
---|
[1233] | 21 | #include "VspTree.h"
|
---|
| 22 | #include "OspTree.h"
|
---|
[1259] | 23 | #include "BvHierarchy.h"
|
---|
[440] | 24 |
|
---|
[1278] | 25 |
|
---|
[1159] | 26 | // should not count origin object for sampling because it disturbs heuristics
|
---|
[1166] | 27 | #define SAMPLE_ORIGIN_OBJECTS 0
|
---|
[931] | 28 |
|
---|
[863] | 29 | namespace GtpVisibilityPreprocessor {
|
---|
[860] | 30 |
|
---|
| 31 |
|
---|
[712] | 32 | // HACK
|
---|
| 33 | const static bool SAMPLE_AFTER_SUBDIVISION = true;
|
---|
| 34 | const static bool TEST_EMPTY_VIEW_CELLS = false;
|
---|
[517] | 35 |
|
---|
[697] | 36 |
|
---|
| 37 | template <typename T> class myless
|
---|
| 38 | {
|
---|
| 39 | public:
|
---|
| 40 | //bool operator() (HierarchyNode *v1, HierarchyNode *v2) const
|
---|
| 41 | bool operator() (T v1, T v2) const
|
---|
| 42 | {
|
---|
| 43 | return (v1->GetMergeCost() < v2->GetMergeCost());
|
---|
| 44 | }
|
---|
| 45 | };
|
---|
| 46 |
|
---|
| 47 |
|
---|
[1264] | 48 | ViewCellsManager::ViewCellsManager(ViewCellsTree *viewCellsTree):
|
---|
[480] | 49 | mRenderer(NULL),
|
---|
[574] | 50 | mInitialSamples(0),
|
---|
[440] | 51 | mConstructionSamples(0),
|
---|
| 52 | mPostProcessSamples(0),
|
---|
[470] | 53 | mVisualizationSamples(0),
|
---|
| 54 | mTotalAreaValid(false),
|
---|
[517] | 55 | mTotalArea(0.0f),
|
---|
[547] | 56 | mViewCellsFinished(false),
|
---|
[562] | 57 | mMaxPvsSize(9999999),
|
---|
[564] | 58 | mMinPvsSize(0), // one means only empty view cells are invalid
|
---|
[719] | 59 | mMaxPvsRatio(1.0),
|
---|
[1145] | 60 | mViewCellPvsIsUpdated(false),
|
---|
[1264] | 61 | mPreprocessor(NULL),
|
---|
| 62 | mViewCellsTree(viewCellsTree)
|
---|
[440] | 63 | {
|
---|
[542] | 64 | mViewSpaceBox.Initialize();
|
---|
[482] | 65 | ParseEnvironment();
|
---|
[580] | 66 |
|
---|
[1264] | 67 | mViewCellsTree->SetViewCellsManager(this);
|
---|
| 68 | //mViewCellsTree = new ViewCellsTree(this);
|
---|
[440] | 69 | }
|
---|
| 70 |
|
---|
[517] | 71 |
|
---|
[482] | 72 | void ViewCellsManager::ParseEnvironment()
|
---|
| 73 | {
|
---|
[503] | 74 | // visualization stuff
|
---|
[1004] | 75 | Environment::GetSingleton()->GetBoolValue("ViewCells.Visualization.exportRays", mExportRays);
|
---|
| 76 | Environment::GetSingleton()->GetBoolValue("ViewCells.Visualization.exportGeometry", mExportGeometry);
|
---|
| 77 | Environment::GetSingleton()->GetFloatValue("ViewCells.maxPvsRatio", mMaxPvsRatio);
|
---|
[664] | 78 |
|
---|
[1004] | 79 | Environment::GetSingleton()->GetBoolValue("ViewCells.processOnlyValidViewCells", mOnlyValidViewCells);
|
---|
[485] | 80 |
|
---|
[1004] | 81 | Environment::GetSingleton()->GetIntValue("ViewCells.Construction.samples", mConstructionSamples);
|
---|
| 82 | Environment::GetSingleton()->GetIntValue("ViewCells.PostProcess.samples", mPostProcessSamples);
|
---|
| 83 | Environment::GetSingleton()->GetBoolValue("ViewCells.PostProcess.useRaysForMerge", mUseRaysForMerge);
|
---|
[595] | 84 |
|
---|
[1004] | 85 | Environment::GetSingleton()->GetIntValue("ViewCells.Visualization.samples", mVisualizationSamples);
|
---|
[574] | 86 |
|
---|
[1004] | 87 | Environment::GetSingleton()->GetIntValue("ViewCells.Construction.samplesPerPass", mSamplesPerPass);
|
---|
| 88 | Environment::GetSingleton()->GetBoolValue("ViewCells.exportToFile", mExportViewCells);
|
---|
[581] | 89 |
|
---|
[1004] | 90 | Environment::GetSingleton()->GetIntValue("ViewCells.active", mNumActiveViewCells);
|
---|
| 91 | Environment::GetSingleton()->GetBoolValue("ViewCells.PostProcess.compress", mCompressViewCells);
|
---|
| 92 | Environment::GetSingleton()->GetBoolValue("ViewCells.Visualization.useClipPlane", mUseClipPlaneForViz);
|
---|
| 93 | Environment::GetSingleton()->GetBoolValue("ViewCells.PostProcess.merge", mMergeViewCells);
|
---|
| 94 | Environment::GetSingleton()->GetBoolValue("ViewCells.evaluateViewCells", mEvaluateViewCells);
|
---|
| 95 | Environment::GetSingleton()->GetBoolValue("ViewCells.showVisualization", mShowVisualization);
|
---|
| 96 | Environment::GetSingleton()->GetIntValue("ViewCells.Filter.maxSize", mMaxFilterSize);
|
---|
| 97 | Environment::GetSingleton()->GetFloatValue("ViewCells.Filter.width", mFilterWidth);
|
---|
| 98 | Environment::GetSingleton()->GetIntValue("ViewCells.renderCostEvaluationType", mRenderCostEvaluationType);
|
---|
[710] | 99 |
|
---|
[1004] | 100 | Environment::GetSingleton()->GetBoolValue("ViewCells.exportBboxesForPvs", mExportBboxesForPvs);
|
---|
| 101 | Environment::GetSingleton()->GetBoolValue("ViewCells.exportPvs", mExportPvs);
|
---|
[1142] | 102 |
|
---|
[664] | 103 | char buf[100];
|
---|
[1004] | 104 | Environment::GetSingleton()->GetStringValue("ViewCells.samplingType", buf);
|
---|
[664] | 105 |
|
---|
[660] | 106 |
|
---|
[1020] | 107 | // sampling type for view cells construction samples
|
---|
[664] | 108 | if (strcmp(buf, "box") == 0)
|
---|
[722] | 109 | {
|
---|
[660] | 110 | mSamplingType = Preprocessor::SPATIAL_BOX_BASED_DISTRIBUTION;
|
---|
[722] | 111 | }
|
---|
[664] | 112 | else if (strcmp(buf, "directional") == 0)
|
---|
[722] | 113 | {
|
---|
[660] | 114 | mSamplingType = Preprocessor::DIRECTION_BASED_DISTRIBUTION;
|
---|
[722] | 115 | }
|
---|
[1020] | 116 | else if (strcmp(buf, "object_directional") == 0)
|
---|
| 117 | {
|
---|
| 118 | mSamplingType = Preprocessor::OBJECT_DIRECTION_BASED_DISTRIBUTION;
|
---|
| 119 | }
|
---|
[1022] | 120 | /*else if (strcmp(buf, "interior") == 0)
|
---|
| 121 | {
|
---|
| 122 | mSamplingType = Preprocessor::OBJECTS_INTERIOR_DISTRIBUTION;
|
---|
| 123 | }*/
|
---|
[1020] | 124 | else
|
---|
| 125 | {
|
---|
[666] | 126 | Debug << "error! wrong sampling type" << endl;
|
---|
| 127 | exit(0);
|
---|
| 128 | }
|
---|
[660] | 129 |
|
---|
[1020] | 130 | // sampling type for evaluation samples
|
---|
[1004] | 131 | Environment::GetSingleton()->GetStringValue("ViewCells.Evaluation.samplingType", buf);
|
---|
[722] | 132 |
|
---|
| 133 | if (strcmp(buf, "box") == 0)
|
---|
| 134 | {
|
---|
| 135 | mEvaluationSamplingType = Preprocessor::SPATIAL_BOX_BASED_DISTRIBUTION;
|
---|
| 136 | }
|
---|
| 137 | else if (strcmp(buf, "directional") == 0)
|
---|
| 138 | {
|
---|
| 139 | mEvaluationSamplingType = Preprocessor::DIRECTION_BASED_DISTRIBUTION;
|
---|
| 140 | }
|
---|
[1020] | 141 | else if (strcmp(buf, "object_directional") == 0)
|
---|
[722] | 142 | {
|
---|
[1020] | 143 | mEvaluationSamplingType = Preprocessor::OBJECT_DIRECTION_BASED_DISTRIBUTION;
|
---|
| 144 | }
|
---|
[1022] | 145 | /*else if (strcmp(buf, "interior") == 0)
|
---|
[1020] | 146 | {
|
---|
| 147 | mEvaluationSamplingType = Preprocessor::OBJECTS_INTERIOR_DISTRIBUTION;
|
---|
[1022] | 148 | }*/
|
---|
[1020] | 149 | else
|
---|
| 150 | {
|
---|
[722] | 151 | Debug << "error! wrong sampling type" << endl;
|
---|
| 152 | exit(0);
|
---|
| 153 | }
|
---|
[503] | 154 |
|
---|
[1004] | 155 | Environment::GetSingleton()->GetStringValue("ViewCells.renderCostEvaluationType", buf);
|
---|
[728] | 156 |
|
---|
[734] | 157 | if (strcmp(buf, "perobject") == 0)
|
---|
[728] | 158 | {
|
---|
| 159 | mRenderCostEvaluationType = ViewCellsManager::PER_OBJECT;
|
---|
| 160 | }
|
---|
| 161 | else if (strcmp(buf, "directional") == 0)
|
---|
| 162 | {
|
---|
| 163 | mRenderCostEvaluationType = ViewCellsManager::PER_TRIANGLE;
|
---|
| 164 | }
|
---|
| 165 | else
|
---|
| 166 | {
|
---|
| 167 | Debug << "error! wrong sampling type" << endl;
|
---|
| 168 | exit(0);
|
---|
| 169 | }
|
---|
| 170 |
|
---|
[1004] | 171 | Environment::GetSingleton()->GetStringValue("ViewCells.Visualization.colorCode", buf);
|
---|
[722] | 172 |
|
---|
[482] | 173 | if (strcmp(buf, "PVS") == 0)
|
---|
| 174 | mColorCode = 1;
|
---|
| 175 | else if (strcmp(buf, "MergedLeaves") == 0)
|
---|
| 176 | mColorCode = 2;
|
---|
| 177 | else if (strcmp(buf, "MergedTreeDiff") == 0)
|
---|
| 178 | mColorCode = 3;
|
---|
| 179 | else
|
---|
| 180 | mColorCode = 0;
|
---|
| 181 |
|
---|
[664] | 182 |
|
---|
[1418] | 183 | Debug << "************ View Cells Manager options ***************" << endl;
|
---|
[664] | 184 | Debug << "color code: " << mColorCode << endl;
|
---|
| 185 |
|
---|
| 186 | Debug << "export rays: " << mExportRays << endl;
|
---|
| 187 | Debug << "export geometry: " << mExportGeometry << endl;
|
---|
| 188 | Debug << "max pvs ratio: " << mMaxPvsRatio << endl;
|
---|
| 189 |
|
---|
| 190 | Debug << "process only valid view cells: " << mOnlyValidViewCells << endl;
|
---|
| 191 | Debug << "construction samples: " << mConstructionSamples << endl;
|
---|
| 192 | Debug << "post process samples: " << mPostProcessSamples << endl;
|
---|
| 193 | Debug << "post process use rays for merge: " << mUseRaysForMerge << endl;
|
---|
| 194 | Debug << "visualization samples: " << mVisualizationSamples << endl;
|
---|
| 195 | Debug << "construction samples per pass: " << mSamplesPerPass << endl;
|
---|
| 196 | Debug << "export to file: " << mExportViewCells << endl;
|
---|
| 197 |
|
---|
[801] | 198 | Debug << "active view cells: " << mNumActiveViewCells << endl;
|
---|
[664] | 199 | Debug << "post process compress: " << mCompressViewCells << endl;
|
---|
| 200 | Debug << "visualization use clipPlane: " << mUseClipPlaneForViz << endl;
|
---|
| 201 | Debug << "post process merge: " << mMergeViewCells << endl;
|
---|
| 202 | Debug << "evaluate view cells: " << mEvaluateViewCells << endl;
|
---|
| 203 | Debug << "sampling type: " << mSamplingType << endl;
|
---|
[801] | 204 | Debug << "render cost evaluation type: " << mRenderCostEvaluationType << endl;
|
---|
[728] | 205 | Debug << "evaluation sampling type: " << mEvaluationSamplingType << endl;
|
---|
[666] | 206 | Debug << "show visualization: " << mShowVisualization << endl;
|
---|
[697] | 207 | Debug << "filter width: " << mFilterWidth << endl;
|
---|
[710] | 208 | Debug << "sample after subdivision: " << SAMPLE_AFTER_SUBDIVISION << endl;
|
---|
[850] | 209 |
|
---|
| 210 | Debug << "export bounding boxes: " << mExportBboxesForPvs << endl;
|
---|
| 211 | Debug << "export pvs for view cells: " << mExportPvs << endl;
|
---|
[664] | 212 | Debug << endl;
|
---|
[440] | 213 | }
|
---|
| 214 |
|
---|
[485] | 215 |
|
---|
[440] | 216 | ViewCellsManager::~ViewCellsManager()
|
---|
| 217 | {
|
---|
[1020] | 218 | // HACK: if view cells tree does not
|
---|
[1264] | 219 | // handle view cells, we have to do it here
|
---|
[1020] | 220 | // question: rather create view cells resource manager?
|
---|
[598] | 221 | if (!ViewCellsTreeConstructed())
|
---|
[1141] | 222 | {
|
---|
[598] | 223 | CLEAR_CONTAINER(mViewCells);
|
---|
[1141] | 224 | }
|
---|
[1264] | 225 | //DEL_PTR(mViewCellsTree);
|
---|
[440] | 226 | }
|
---|
| 227 |
|
---|
[1221] | 228 |
|
---|
| 229 | AxisAlignedBox3 ViewCellsManager::GetViewCellBox(ViewCell *vc)
|
---|
[859] | 230 | {
|
---|
| 231 | Mesh *m = vc->GetMesh();
|
---|
| 232 |
|
---|
| 233 | if (m) {
|
---|
| 234 | m->ComputeBoundingBox();
|
---|
| 235 | return m->mBox;
|
---|
| 236 | }
|
---|
[485] | 237 |
|
---|
[859] | 238 | AxisAlignedBox3 box;
|
---|
| 239 |
|
---|
| 240 | box.Initialize();
|
---|
| 241 |
|
---|
| 242 | if (!vc->IsLeaf()) {
|
---|
| 243 | ViewCellInterior *vci = (ViewCellInterior *) vc;
|
---|
| 244 |
|
---|
| 245 | ViewCellContainer::iterator it = vci->mChildren.begin();
|
---|
| 246 | for (; it != vci->mChildren.end(); ++it) {
|
---|
| 247 | box.Include(GetViewCellBox(*it));
|
---|
| 248 | }
|
---|
| 249 | }
|
---|
| 250 |
|
---|
| 251 | return box;
|
---|
| 252 | }
|
---|
| 253 |
|
---|
[693] | 254 |
|
---|
[1021] | 255 | bool ViewCellsManager::EqualToSpatialNode(ViewCell *viewCell) const
|
---|
| 256 | {
|
---|
| 257 | return false;
|
---|
| 258 | }
|
---|
| 259 |
|
---|
| 260 |
|
---|
[574] | 261 | int ViewCellsManager::CastPassSamples(const int samplesPerPass,
|
---|
| 262 | const int sampleType,
|
---|
| 263 | VssRayContainer &passSamples) const
|
---|
[527] | 264 | {
|
---|
[570] | 265 | SimpleRayContainer simpleRays;
|
---|
[1221] | 266 | const long startTime = GetTime();
|
---|
[564] | 267 |
|
---|
[1221] | 268 | mPreprocessor->GenerateRays(samplesPerPass, sampleType, simpleRays);
|
---|
| 269 | Debug << "generated " << mInitialSamples << " samples in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
| 270 |
|
---|
[573] | 271 | // shoot simple ray and add it to importance samples
|
---|
[1145] | 272 | mPreprocessor->CastRays(simpleRays, passSamples);
|
---|
[1221] | 273 | Debug << "cast " << mInitialSamples << " samples in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
[570] | 274 |
|
---|
[574] | 275 | return (int)passSamples.size();
|
---|
| 276 | }
|
---|
[570] | 277 |
|
---|
[574] | 278 |
|
---|
| 279 | /// helper function which destroys rays or copies them into the output ray container
|
---|
[639] | 280 | inline void disposeRays(VssRayContainer &rays, VssRayContainer *outRays)
|
---|
[574] | 281 | {
|
---|
| 282 | cout << "disposing samples ... ";
|
---|
[582] | 283 | long startTime = GetTime();
|
---|
| 284 | int n = (int)rays.size();
|
---|
| 285 |
|
---|
[573] | 286 | if (outRays)
|
---|
[542] | 287 | {
|
---|
[574] | 288 | VssRayContainer::const_iterator it, it_end = rays.end();
|
---|
| 289 |
|
---|
| 290 | for (it = rays.begin(); it != it_end; ++ it)
|
---|
| 291 | {
|
---|
| 292 | outRays->push_back(*it);
|
---|
| 293 | }
|
---|
[573] | 294 | }
|
---|
| 295 | else
|
---|
| 296 | {
|
---|
[639] | 297 | VssRayContainer::const_iterator it, it_end = rays.end();
|
---|
| 298 |
|
---|
| 299 | for (it = rays.begin(); it != it_end; ++ it)
|
---|
| 300 | {
|
---|
| 301 | //(*it)->Unref();
|
---|
| 302 | if (!(*it)->IsActive())
|
---|
| 303 | delete (*it);
|
---|
| 304 | }
|
---|
[573] | 305 | }
|
---|
[639] | 306 |
|
---|
[574] | 307 | cout << "finished" << endl;
|
---|
[582] | 308 | Debug << "disposed " << n << " samples in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
[573] | 309 | }
|
---|
[570] | 310 |
|
---|
| 311 |
|
---|
[573] | 312 | int ViewCellsManager::Construct(Preprocessor *preprocessor, VssRayContainer *outRays)
|
---|
| 313 | {
|
---|
| 314 | int numSamples = 0;
|
---|
[1077] | 315 |
|
---|
[573] | 316 | SimpleRayContainer simpleRays;
|
---|
[574] | 317 | VssRayContainer initialSamples;
|
---|
[540] | 318 |
|
---|
[1381] | 319 | // store pointer to preprocessor for further use during construction
|
---|
| 320 | mPreprocessor = preprocessor;
|
---|
| 321 |
|
---|
| 322 |
|
---|
| 323 | ///////////////////////////////////////////////////////
|
---|
| 324 | //-- Initial sampling for the construction of the view cell hierarchy.
|
---|
| 325 | //-- We use uniform sampling / box based sampling.
|
---|
| 326 |
|
---|
[752] | 327 | long startTime = GetTime();
|
---|
[1381] | 328 | cout << "view cell construction: casting " << mInitialSamples << " initial samples ... ";
|
---|
[1414] | 329 |
|
---|
[1381] | 330 | // cast initial samples
|
---|
| 331 | CastPassSamples(mInitialSamples, mSamplingType, initialSamples);
|
---|
[1278] | 332 |
|
---|
[1221] | 333 | cout << "finished in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
[574] | 334 |
|
---|
[573] | 335 | // construct view cells
|
---|
[752] | 336 | ConstructSubdivision(preprocessor->mObjects, initialSamples);
|
---|
[540] | 337 |
|
---|
[727] | 338 | // initial samples count for overall samples ...
|
---|
[752] | 339 | numSamples += mInitialSamples;
|
---|
[542] | 340 |
|
---|
[574] | 341 | // rays can be passed or deleted
|
---|
[639] | 342 | disposeRays(initialSamples, outRays);
|
---|
[752] | 343 |
|
---|
| 344 | cout << "time needed for initial construction: "
|
---|
| 345 | << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
| 346 |
|
---|
| 347 | Debug << "time needed for initial construction: "
|
---|
| 348 | << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
| 349 |
|
---|
[1444] | 350 | // collect view cells and compute statistics
|
---|
| 351 | ResetViewCells();
|
---|
[752] | 352 |
|
---|
[1444] | 353 |
|
---|
| 354 | ///////////////////
|
---|
| 355 | //-- Initial hierarchy construction finished.
|
---|
[1381] | 356 | //-- We can do some stats and visualization
|
---|
| 357 |
|
---|
[1444] | 358 | if (0)
|
---|
[660] | 359 | {
|
---|
[1444] | 360 | //-- export initial view cell partition
|
---|
| 361 | Debug << "\nView cells after initial sampling:\n"
|
---|
| 362 | << mCurrentViewCellsStats << endl;
|
---|
[1416] | 363 |
|
---|
[1414] | 364 | const string filename("viewcells.wrl");
|
---|
| 365 | Exporter *exporter = Exporter::GetExporter(filename.c_str());
|
---|
[712] | 366 |
|
---|
[660] | 367 | if (exporter)
|
---|
| 368 | {
|
---|
[1414] | 369 | cout << "exporting initial view cells (=leaves) to " << filename.c_str() << " ... ";
|
---|
| 370 |
|
---|
[660] | 371 | if (mExportGeometry)
|
---|
[712] | 372 | {
|
---|
[660] | 373 | exporter->ExportGeometry(preprocessor->mObjects);
|
---|
[712] | 374 | }
|
---|
[660] | 375 |
|
---|
[750] | 376 | exporter->SetWireframe();
|
---|
[1416] | 377 | ExportViewCellsForViz(exporter, NULL, GetClipPlane());
|
---|
[660] | 378 |
|
---|
| 379 | delete exporter;
|
---|
[712] | 380 | cout << "finished" << endl;
|
---|
[660] | 381 | }
|
---|
| 382 | }
|
---|
| 383 |
|
---|
[1381] | 384 |
|
---|
[1419] | 385 | //////////////////////
|
---|
[1381] | 386 | //-- Cast some more sampling after initial construction.
|
---|
| 387 | //-- The additional rays can be used to gain
|
---|
| 388 | //-- some more information before the bottom-up merge
|
---|
| 389 | //-- note: guided rays could be used for this task
|
---|
| 390 |
|
---|
[1414] | 391 | // time spent after construction of the initial partition
|
---|
[1381] | 392 | startTime = GetTime();
|
---|
[574] | 393 | const int n = mConstructionSamples; //+initialSamples;
|
---|
[666] | 394 | // should we use directional samples?
|
---|
[694] | 395 | bool dirSamples = (mSamplingType == Preprocessor::DIRECTION_BASED_DISTRIBUTION);
|
---|
[573] | 396 |
|
---|
| 397 | while (numSamples < n)
|
---|
| 398 | {
|
---|
[596] | 399 | cout << "casting " << mSamplesPerPass << " samples of " << n << " ... ";
|
---|
[727] | 400 | Debug << "casting " << mSamplesPerPass << " samples of " << n << " ... ";
|
---|
| 401 |
|
---|
[574] | 402 | VssRayContainer constructionSamples;
|
---|
| 403 |
|
---|
[694] | 404 | const int samplingType = mSamplingType;
|
---|
[1444] | 405 | //dirSamples ? Preprocessor::DIRECTION_BASED_DISTRIBUTION : Preprocessor::SPATIAL_BOX_BASED_DISTRIBUTION;
|
---|
[667] | 406 |
|
---|
[720] | 407 | if (0) dirSamples = !dirSamples; // toggle sampling method
|
---|
[667] | 408 |
|
---|
[727] | 409 | // cast new samples
|
---|
[574] | 410 | numSamples += CastPassSamples(mSamplesPerPass,
|
---|
[666] | 411 | samplingType,
|
---|
[574] | 412 | constructionSamples);
|
---|
| 413 |
|
---|
| 414 | cout << "finished" << endl;
|
---|
| 415 | cout << "computing sample contribution for " << (int)constructionSamples.size() << " samples ... ";
|
---|
| 416 |
|
---|
[727] | 417 | // computes sample contribution of cast rays TODO: leak?
|
---|
| 418 | if (SAMPLE_AFTER_SUBDIVISION)
|
---|
[605] | 419 | ComputeSampleContributions(constructionSamples, true, false);
|
---|
[712] | 420 |
|
---|
[574] | 421 | cout << "finished" << endl;
|
---|
| 422 |
|
---|
[639] | 423 | disposeRays(constructionSamples, outRays);
|
---|
[574] | 424 | cout << "total samples: " << numSamples << endl;
|
---|
[542] | 425 | }
|
---|
[752] | 426 |
|
---|
[1381] | 427 |
|
---|
[1414] | 428 | #if 0
|
---|
[1416] | 429 | ///////////////
|
---|
| 430 | //-- Get stats after the additional sampling step
|
---|
[1381] | 431 | //-- and before the bottom-up merge step
|
---|
[570] | 432 |
|
---|
[660] | 433 | EvaluateViewCellsStats();
|
---|
[1381] | 434 | Debug << "\noriginal view cell partition before post process:\n"
|
---|
| 435 | << mCurrentViewCellsStats << endl;
|
---|
[660] | 436 |
|
---|
| 437 | mRenderer->RenderScene();
|
---|
| 438 | SimulationStatistics ss;
|
---|
| 439 | dynamic_cast<RenderSimulator *>(mRenderer)->GetStatistics(ss);
|
---|
| 440 |
|
---|
| 441 | Debug << ss << endl;
|
---|
[1414] | 442 | #endif
|
---|
[660] | 443 |
|
---|
| 444 |
|
---|
[1416] | 445 | ////////////////////
|
---|
[1381] | 446 | //-- post processing of the initial construction
|
---|
| 447 | //-- We can bottom-up merge the view cells in this step
|
---|
[1444] | 448 | //-- We can additionally cast some post processing sample rays.
|
---|
| 449 | //-- These rays can be used to store the view cells with the rays
|
---|
[1381] | 450 |
|
---|
| 451 | VssRayContainer postProcessSamples;
|
---|
| 452 | cout << "casting " << mPostProcessSamples << " post processing samples ... ";
|
---|
| 453 |
|
---|
| 454 | CastPassSamples(mPostProcessSamples, mSamplingType, postProcessSamples);
|
---|
| 455 |
|
---|
| 456 | cout << "finished" << endl;
|
---|
[574] | 457 | cout << "starting post processing and visualization" << endl;
|
---|
| 458 |
|
---|
[1444] | 459 | // store view cells with rays for post processing?
|
---|
[574] | 460 | const bool storeViewCells = true;
|
---|
[605] | 461 |
|
---|
| 462 | if (SAMPLE_AFTER_SUBDIVISION)
|
---|
| 463 | ComputeSampleContributions(postProcessSamples, true, storeViewCells);
|
---|
[663] | 464 |
|
---|
[1381] | 465 | PostProcess(preprocessor->mObjects, postProcessSamples);
|
---|
[570] | 466 |
|
---|
[1414] | 467 | const float secs = TimeDiff(startTime, GetTime()) * 1e-3f;
|
---|
| 468 | cout << "post processing (=merge) finished in " << secs << " secs" << endl;
|
---|
[752] | 469 |
|
---|
[1414] | 470 | Debug << "post processing time: " << secs << endl;
|
---|
[1002] | 471 | disposeRays(postProcessSamples, outRays);
|
---|
| 472 |
|
---|
[801] | 473 |
|
---|
[1416] | 474 | ////////////////
|
---|
[1381] | 475 | //-- Evaluation of the resulting view cell partition.
|
---|
| 476 | //-- We cast a number of new samples and measure the render cost
|
---|
| 477 |
|
---|
[801] | 478 | if (mEvaluateViewCells)
|
---|
| 479 | {
|
---|
[1145] | 480 | EvalViewCellPartition();
|
---|
[801] | 481 | }
|
---|
[1381] | 482 |
|
---|
[1416] | 483 | /////////////////
|
---|
[1381] | 484 | //-- Finally, we do some visualization
|
---|
| 485 |
|
---|
[666] | 486 | if (mShowVisualization)
|
---|
| 487 | {
|
---|
| 488 | VssRayContainer visualizationSamples;
|
---|
[574] | 489 |
|
---|
[1381] | 490 | //-- visualization rays, e.g., to show some samples in the scene
|
---|
[666] | 491 | CastPassSamples(mVisualizationSamples,
|
---|
| 492 | Preprocessor::DIRECTION_BASED_DISTRIBUTION,
|
---|
| 493 | visualizationSamples);
|
---|
[574] | 494 |
|
---|
[666] | 495 | if (SAMPLE_AFTER_SUBDIVISION)
|
---|
| 496 | ComputeSampleContributions(visualizationSamples, true, storeViewCells);
|
---|
[574] | 497 |
|
---|
[1444] | 498 | // various visualizations
|
---|
[666] | 499 | Visualize(preprocessor->mObjects, visualizationSamples);
|
---|
[574] | 500 |
|
---|
[666] | 501 | disposeRays(visualizationSamples, outRays);
|
---|
| 502 | }
|
---|
[574] | 503 |
|
---|
[1444] | 504 | // recalculate view cells
|
---|
| 505 | EvaluateViewCellsStats();
|
---|
| 506 |
|
---|
[573] | 507 | return numSamples;
|
---|
[527] | 508 | }
|
---|
| 509 |
|
---|
[547] | 510 |
|
---|
[1418] | 511 | AxisAlignedPlane *ViewCellsManager::GetClipPlane()
|
---|
[1416] | 512 | {
|
---|
| 513 | return mUseClipPlaneForViz ? &mClipPlaneForViz : NULL;
|
---|
| 514 | }
|
---|
| 515 |
|
---|
| 516 |
|
---|
[752] | 517 | void ViewCellsManager::EvalViewCellHistogram(const string filename,
|
---|
| 518 | const int nViewCells)
|
---|
[728] | 519 | {
|
---|
| 520 | std::ofstream outstream;
|
---|
| 521 | outstream.open(filename.c_str());
|
---|
| 522 |
|
---|
| 523 | ViewCellContainer viewCells;
|
---|
[735] | 524 | mViewCellsTree->CollectBestViewCellSet(viewCells, nViewCells);
|
---|
[728] | 525 |
|
---|
| 526 | float maxRenderCost, minRenderCost;
|
---|
[734] | 527 |
|
---|
| 528 | // sort by render cost
|
---|
| 529 | sort(viewCells.begin(), viewCells.end(), ViewCell::SmallerRenderCost);
|
---|
| 530 |
|
---|
| 531 | minRenderCost = viewCells.front()->GetRenderCost();
|
---|
| 532 | maxRenderCost = viewCells.back()->GetRenderCost();
|
---|
| 533 |
|
---|
[991] | 534 | Debug << "histogram min rc: " << minRenderCost << " max rc: " << maxRenderCost << endl;
|
---|
[736] | 535 |
|
---|
[997] | 536 | int histoIntervals;
|
---|
[1004] | 537 | Environment::GetSingleton()->GetIntValue("Preprocessor.histogram.intervals", histoIntervals);
|
---|
[997] | 538 | const int intervals = min(histoIntervals, (int)viewCells.size());
|
---|
[735] | 539 |
|
---|
[997] | 540 | int histoMaxVal;
|
---|
[1004] | 541 | Environment::GetSingleton()->GetIntValue("Preprocessor.histogram.maxValue", histoMaxVal);
|
---|
[1145] | 542 | maxRenderCost = max((float)histoMaxVal, maxRenderCost);
|
---|
[991] | 543 |
|
---|
[997] | 544 |
|
---|
[728] | 545 | const float range = maxRenderCost - minRenderCost;
|
---|
[735] | 546 | const float stepSize = range / (float)intervals;
|
---|
[728] | 547 |
|
---|
[735] | 548 | float currentRenderCost = minRenderCost;//(int)ceil(minRenderCost);
|
---|
| 549 |
|
---|
| 550 | const float totalRenderCost = mViewCellsTree->GetRoot()->GetRenderCost();
|
---|
| 551 | const float totalVol = GetViewSpaceBox().GetVolume();
|
---|
[736] | 552 | //const float totalVol = mViewCellsTree->GetRoot()->GetVolume();
|
---|
[735] | 553 |
|
---|
[736] | 554 | int j = 0;
|
---|
[735] | 555 | int i = 0;
|
---|
| 556 |
|
---|
[734] | 557 | ViewCellContainer::const_iterator it = viewCells.begin(), it_end = viewCells.end();
|
---|
| 558 |
|
---|
[744] | 559 | // count for integral
|
---|
| 560 | float volSum = 0;
|
---|
| 561 | int smallerCostSum = 0;
|
---|
[735] | 562 |
|
---|
[734] | 563 | // note can skip computations for view cells already evaluated and delete them from vector ...
|
---|
| 564 | while (1)
|
---|
| 565 | {
|
---|
[744] | 566 | // count for histogram value
|
---|
| 567 | float volDif = 0;
|
---|
| 568 | int smallerCostDif = 0;
|
---|
[736] | 569 |
|
---|
[734] | 570 | while ((i < (int)viewCells.size()) && (viewCells[i]->GetRenderCost() < currentRenderCost))
|
---|
| 571 | {
|
---|
[744] | 572 | volSum += viewCells[i]->GetVolume();
|
---|
| 573 | volDif += viewCells[i]->GetVolume();
|
---|
| 574 |
|
---|
[734] | 575 | ++ i;
|
---|
[744] | 576 | ++ smallerCostSum;
|
---|
| 577 | ++ smallerCostDif;
|
---|
[734] | 578 | }
|
---|
[736] | 579 |
|
---|
[744] | 580 | if ((i >= (int)viewCells.size()) || (currentRenderCost >= maxRenderCost))
|
---|
[735] | 581 | break;
|
---|
[736] | 582 |
|
---|
[744] | 583 | const float rcRatio = currentRenderCost / maxRenderCost;
|
---|
| 584 | const float volRatioSum = volSum / totalVol;
|
---|
| 585 | const float volRatioDif = volDif / totalVol;
|
---|
[735] | 586 |
|
---|
[991] | 587 | outstream << "#Pass\n" << j ++ << endl;
|
---|
[736] | 588 | outstream << "#RenderCostRatio\n" << rcRatio << endl;
|
---|
| 589 | outstream << "#WeightedCost\n" << currentRenderCost / totalVol << endl;
|
---|
[744] | 590 | outstream << "#ViewCellsDif\n" << smallerCostDif << endl;
|
---|
| 591 | outstream << "#ViewCellsSum\n" << smallerCostSum << endl;
|
---|
| 592 | outstream << "#VolumeDif\n" << volRatioDif << endl << endl;
|
---|
| 593 | outstream << "#VolumeSum\n" << volRatioSum << endl << endl;
|
---|
[735] | 594 |
|
---|
| 595 | // increase current render cost
|
---|
[734] | 596 | currentRenderCost += stepSize;
|
---|
| 597 | }
|
---|
[735] | 598 |
|
---|
[734] | 599 | outstream.close();
|
---|
| 600 | }
|
---|
| 601 |
|
---|
[735] | 602 |
|
---|
[979] | 603 |
|
---|
| 604 | ViewCellsManager *ViewCellsManager::LoadViewCells(const string &filename,
|
---|
| 605 | ObjectContainer *objects,
|
---|
| 606 | const bool finalizeViewCells,
|
---|
| 607 | BoundingBoxConverter *bconverter)
|
---|
| 608 |
|
---|
| 609 | {
|
---|
| 610 | ViewCellsParser parser;
|
---|
| 611 |
|
---|
| 612 | ViewCellsManager *vm = NULL;
|
---|
| 613 |
|
---|
[1221] | 614 | if (parser.ParseViewCellsFile(filename, &vm, objects, bconverter))
|
---|
[979] | 615 | {
|
---|
| 616 | long startTime = GetTime();
|
---|
| 617 |
|
---|
| 618 | vm->ResetViewCells();
|
---|
| 619 |
|
---|
| 620 | vm->mViewCellsFinished = true;
|
---|
| 621 | vm->mMaxPvsSize = (int)objects->size();
|
---|
| 622 |
|
---|
| 623 | if (finalizeViewCells)
|
---|
| 624 | {
|
---|
[1444] | 625 | // create the meshes and compute volumes
|
---|
[979] | 626 | vm->FinalizeViewCells(true);
|
---|
| 627 | vm->mViewCellsTree->AssignRandomColors();
|
---|
| 628 | }
|
---|
| 629 |
|
---|
| 630 | Debug << (int)vm->mViewCells.size() << " view cells loaded in "
|
---|
| 631 | << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
| 632 | }
|
---|
| 633 | else
|
---|
| 634 | {
|
---|
| 635 | Debug << "Error: loading view cells failed!" << endl;
|
---|
| 636 | DEL_PTR(vm);
|
---|
| 637 | }
|
---|
| 638 |
|
---|
| 639 | return vm;
|
---|
| 640 | }
|
---|
| 641 |
|
---|
| 642 |
|
---|
| 643 | bool VspBspViewCellsManager::ExportViewCells(const string filename,
|
---|
| 644 | const bool exportPvs,
|
---|
| 645 | const ObjectContainer &objects)
|
---|
| 646 | {
|
---|
[1002] | 647 | if (!ViewCellsConstructed() || !ViewCellsTreeConstructed())
|
---|
[997] | 648 | return false;
|
---|
| 649 |
|
---|
[979] | 650 | cout << "exporting view cells to xml ... ";
|
---|
[1264] | 651 |
|
---|
[1201] | 652 | OUT_STREAM stream(filename.c_str());
|
---|
[979] | 653 |
|
---|
| 654 | // for output we need unique ids for each view cell
|
---|
| 655 | CreateUniqueViewCellIds();
|
---|
| 656 |
|
---|
| 657 | stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"<<endl;
|
---|
| 658 | stream << "<VisibilitySolution>" << endl;
|
---|
| 659 |
|
---|
[1262] | 660 | if (exportPvs)
|
---|
| 661 | {
|
---|
| 662 | //-- export bounding boxes
|
---|
[1264] | 663 |
|
---|
[1262] | 664 | stream << "<BoundingBoxes>" << endl;
|
---|
[979] | 665 |
|
---|
[1262] | 666 | ObjectContainer::const_iterator oit, oit_end = objects.end();
|
---|
[979] | 667 |
|
---|
[1262] | 668 | for (oit = objects.begin(); oit != oit_end; ++ oit)
|
---|
| 669 | {
|
---|
[979] | 670 | MeshInstance *mi = dynamic_cast<MeshInstance *>(*oit);
|
---|
| 671 | const AxisAlignedBox3 box = mi->GetBox();
|
---|
| 672 |
|
---|
| 673 | //-- the bounding boxes
|
---|
| 674 | stream << "<BoundingBox" << " id=\"" << mi->GetId() << "\""
|
---|
| 675 | << " min=\"" << box.Min().x << " " << box.Min().y << " " << box.Min().z << "\""
|
---|
| 676 | << " max=\"" << box.Max().x << " " << box.Max().y << " " << box.Max().z << "\" />" << endl;
|
---|
[1262] | 677 | }
|
---|
[979] | 678 |
|
---|
[1262] | 679 | stream << "</BoundingBoxes>" << endl;
|
---|
[1112] | 680 | }
|
---|
[979] | 681 |
|
---|
[1264] | 682 |
|
---|
[979] | 683 | //-- export the view cells and the pvs
|
---|
| 684 |
|
---|
| 685 | const int numViewCells = mCurrentViewCellsStats.viewCells;
|
---|
| 686 |
|
---|
| 687 | stream << "<ViewCells number=\"" << numViewCells << "\" >" << endl;
|
---|
| 688 |
|
---|
| 689 | mViewCellsTree->Export(stream, exportPvs);
|
---|
| 690 |
|
---|
| 691 | stream << "</ViewCells>" << endl;
|
---|
| 692 |
|
---|
| 693 |
|
---|
[1262] | 694 | //-- export the view space hierarchy
|
---|
[979] | 695 |
|
---|
[1262] | 696 | stream << "<ViewSpaceHierarchy type=\"bsp\""
|
---|
| 697 | << " min=\"" << mViewSpaceBox.Min().x << " " << mViewSpaceBox.Min().y << " " << mViewSpaceBox.Min().z << "\""
|
---|
[1264] | 698 | << " max=\"" << mViewSpaceBox.Max().x << " " << mViewSpaceBox.Max().y << " " << mViewSpaceBox.Max().z << "\">" << endl;
|
---|
[1262] | 699 |
|
---|
[979] | 700 | mVspBspTree->Export(stream);
|
---|
[1286] | 701 | stream << "</ViewSpaceHierarchy>" << endl;
|
---|
[979] | 702 |
|
---|
| 703 | stream << "</VisibilitySolution>" << endl;
|
---|
| 704 |
|
---|
| 705 | stream.close();
|
---|
| 706 | cout << "finished" << endl;
|
---|
| 707 |
|
---|
| 708 | return true;
|
---|
| 709 | }
|
---|
| 710 |
|
---|
| 711 |
|
---|
[735] | 712 | void ViewCellsManager::EvalViewCellHistogramForPvsSize(const string filename,
|
---|
| 713 | const int nViewCells)
|
---|
[734] | 714 | {
|
---|
| 715 | std::ofstream outstream;
|
---|
| 716 | outstream.open(filename.c_str());
|
---|
| 717 |
|
---|
| 718 | ViewCellContainer viewCells;
|
---|
[735] | 719 | mViewCellsTree->CollectBestViewCellSet(viewCells, nViewCells);
|
---|
[734] | 720 |
|
---|
[997] | 721 | int maxPvs, maxVal, minVal;
|
---|
[734] | 722 |
|
---|
[997] | 723 | // sort by pvs size
|
---|
[735] | 724 | sort(viewCells.begin(), viewCells.end(), ViewCell::SmallerPvs);
|
---|
| 725 |
|
---|
[1142] | 726 | maxPvs = mViewCellsTree->GetPvsSize(viewCells.back());
|
---|
[997] | 727 | minVal = 0;
|
---|
| 728 |
|
---|
[991] | 729 | // hack: normalize pvs size
|
---|
[997] | 730 | int histoMaxVal;
|
---|
[1004] | 731 | Environment::GetSingleton()->GetIntValue("Preprocessor.histogram.maxValue", histoMaxVal);
|
---|
[997] | 732 | maxVal = max(histoMaxVal, maxPvs);
|
---|
| 733 |
|
---|
[1121] | 734 | Debug << "histogram minpvssize: " << minVal << " maxpvssize: " << maxVal
|
---|
| 735 | << " real maxpvs " << maxPvs << endl;
|
---|
[752] | 736 |
|
---|
[997] | 737 | int histoIntervals;
|
---|
[1004] | 738 | Environment::GetSingleton()->GetIntValue("Preprocessor.histogram.intervals", histoIntervals);
|
---|
[997] | 739 | const int intervals = min(histoIntervals, (int)viewCells.size());
|
---|
[735] | 740 |
|
---|
[997] | 741 | const int range = maxVal - minVal;
|
---|
[735] | 742 | int stepSize = range / intervals;
|
---|
| 743 |
|
---|
[997] | 744 | // set step size to avoid endless loop
|
---|
[735] | 745 | if (!stepSize) stepSize = 1;
|
---|
[979] | 746 |
|
---|
| 747 | Debug << "stepsize: " << stepSize << endl;
|
---|
[997] | 748 |
|
---|
[735] | 749 |
|
---|
| 750 | const float totalRenderCost = mViewCellsTree->GetRoot()->GetRenderCost();
|
---|
| 751 | const float totalVol = GetViewSpaceBox().GetVolume();
|
---|
| 752 |
|
---|
[997] | 753 | int currentPvs = minVal;//(int)ceil(minRenderCost);
|
---|
[735] | 754 |
|
---|
[997] | 755 |
|
---|
[735] | 756 | int i = 0;
|
---|
| 757 | int j = 0;
|
---|
[734] | 758 |
|
---|
[744] | 759 | float volSum = 0;
|
---|
| 760 | int smallerSum = 0;
|
---|
| 761 |
|
---|
[735] | 762 | ViewCellContainer::const_iterator it = viewCells.begin(), it_end = viewCells.end();
|
---|
| 763 |
|
---|
[997] | 764 | for (int j = 0; j < intervals; ++ j)
|
---|
[728] | 765 | {
|
---|
[744] | 766 | float volDif = 0;
|
---|
| 767 | int smallerDif = 0;
|
---|
[736] | 768 |
|
---|
[997] | 769 | while ((i < (int)viewCells.size()) &&
|
---|
[1142] | 770 | (mViewCellsTree->GetPvsSize(viewCells[i]) < currentPvs))
|
---|
[735] | 771 | {
|
---|
[744] | 772 | volDif += viewCells[i]->GetVolume();
|
---|
| 773 | volSum += viewCells[i]->GetVolume();
|
---|
[997] | 774 |
|
---|
[735] | 775 | ++ i;
|
---|
[744] | 776 | ++ smallerDif;
|
---|
| 777 | ++ smallerSum;
|
---|
[735] | 778 | }
|
---|
[736] | 779 |
|
---|
[997] | 780 | if (0 && (i < (int)viewCells.size()))
|
---|
[1142] | 781 | Debug << "new pvs size increase: " << mViewCellsTree->GetPvsSize(viewCells[i])
|
---|
[1121] | 782 | << " " << currentPvs << endl;
|
---|
[997] | 783 |
|
---|
[744] | 784 | const float volRatioDif = volDif / totalVol;
|
---|
| 785 | const float volRatioSum = volSum / totalVol;
|
---|
[728] | 786 |
|
---|
[997] | 787 | outstream << "#Pass\n" << j << endl;
|
---|
| 788 | outstream << "#Pvs\n" << currentPvs << endl;
|
---|
[744] | 789 | outstream << "#ViewCellsDif\n" << smallerDif << endl;
|
---|
| 790 | outstream << "#ViewCellsSum\n" << smallerSum << endl;
|
---|
| 791 | outstream << "#VolumeDif\n" << volRatioDif << endl << endl;
|
---|
| 792 | outstream << "#VolumeSum\n" << volRatioSum << endl << endl;
|
---|
[997] | 793 |
|
---|
| 794 | //if ((i >= (int)viewCells.size()) || (currentPvs >= maxPvs)) break;
|
---|
[729] | 795 |
|
---|
[997] | 796 | //-- increase current pvs size to define next interval
|
---|
| 797 | currentPvs += stepSize;
|
---|
[728] | 798 | }
|
---|
[991] | 799 |
|
---|
[735] | 800 | outstream.close();
|
---|
[728] | 801 | }
|
---|
| 802 |
|
---|
[735] | 803 |
|
---|
[1002] | 804 | bool ViewCellsManager::GetExportPvs() const
|
---|
| 805 | {
|
---|
| 806 | return mExportPvs;
|
---|
| 807 | }
|
---|
| 808 |
|
---|
| 809 |
|
---|
[1259] | 810 | bool ViewCellsManager::AddSampleToPvs(Intersectable *obj,
|
---|
| 811 | const Vector3 &hitPoint,
|
---|
| 812 | ViewCell *vc,
|
---|
| 813 | const float pdf,
|
---|
| 814 | float &contribution) const
|
---|
| 815 | {
|
---|
| 816 | if (!obj) return false;
|
---|
| 817 |
|
---|
| 818 | // potentially visible objects
|
---|
| 819 | return vc->AddPvsSample(obj, pdf, contribution);
|
---|
| 820 | }
|
---|
| 821 |
|
---|
| 822 |
|
---|
[1145] | 823 | void ViewCellsManager::EvalViewCellPartition()
|
---|
[660] | 824 | {
|
---|
| 825 | int samplesPerPass;
|
---|
| 826 | int numSamples;
|
---|
| 827 | int castSamples = 0;
|
---|
| 828 |
|
---|
[664] | 829 | char s[64];
|
---|
| 830 |
|
---|
[1004] | 831 | Environment::GetSingleton()->GetIntValue("ViewCells.Evaluation.samplesPerPass", samplesPerPass);
|
---|
| 832 | Environment::GetSingleton()->GetIntValue("ViewCells.Evaluation.samples", numSamples);
|
---|
[660] | 833 |
|
---|
[664] | 834 | char statsPrefix[100];
|
---|
[1004] | 835 | Environment::GetSingleton()->GetStringValue("ViewCells.Evaluation.statsPrefix", statsPrefix);
|
---|
[663] | 836 |
|
---|
[664] | 837 | Debug << "view cell evaluation samples per pass: " << samplesPerPass << endl;
|
---|
| 838 | Debug << "view cell evaluation samples: " << numSamples << endl;
|
---|
| 839 | Debug << "view cell stats prefix: " << statsPrefix << endl;
|
---|
| 840 |
|
---|
[666] | 841 | // should directional sampling be used?
|
---|
[722] | 842 | bool dirSamples = (mEvaluationSamplingType == Preprocessor::DIRECTION_BASED_DISTRIBUTION);
|
---|
[664] | 843 |
|
---|
[801] | 844 | cout << "reseting pvs ... ";
|
---|
| 845 |
|
---|
[1145] | 846 | const bool startFromZero = true;
|
---|
[801] | 847 |
|
---|
[666] | 848 | // reset pvs and start over from zero
|
---|
| 849 | if (startFromZero)
|
---|
| 850 | {
|
---|
| 851 | mViewCellsTree->ResetPvs();
|
---|
| 852 | }
|
---|
[1145] | 853 | else // start from current sampless
|
---|
[666] | 854 | {
|
---|
[1145] | 855 | // statistics before casting more samples
|
---|
[666] | 856 | cout << "compute new statistics ... ";
|
---|
| 857 | sprintf(s, "-%09d-eval.log", castSamples);
|
---|
| 858 | string fName = string(statsPrefix) + string(s);
|
---|
| 859 |
|
---|
| 860 | mViewCellsTree->ExportStats(fName);
|
---|
| 861 | cout << "finished" << endl;
|
---|
| 862 | }
|
---|
[744] | 863 | cout << "finished" << endl;
|
---|
| 864 |
|
---|
[1178] | 865 | cout << "Evaluating view cell partition ... " << endl;
|
---|
[744] | 866 |
|
---|
[660] | 867 | while (castSamples < numSamples)
|
---|
| 868 | {
|
---|
[664] | 869 | VssRayContainer evaluationSamples;
|
---|
[663] | 870 |
|
---|
[722] | 871 | const int samplingType = mEvaluationSamplingType;
|
---|
[666] | 872 | /* dirSamples ?
|
---|
[664] | 873 | Preprocessor::DIRECTION_BASED_DISTRIBUTION :
|
---|
| 874 | Preprocessor::SPATIAL_BOX_BASED_DISTRIBUTION;
|
---|
[666] | 875 | */
|
---|
[1004] | 876 | long startTime = GetTime();
|
---|
| 877 |
|
---|
[664] | 878 | //-- construction rays => we use uniform samples for this
|
---|
[1278] | 879 |
|
---|
[1004] | 880 | cout << "casting " << samplesPerPass << " samples ... ";
|
---|
| 881 | Debug << "casting " << samplesPerPass << " samples ... ";
|
---|
| 882 |
|
---|
[664] | 883 | CastPassSamples(samplesPerPass, samplingType, evaluationSamples);
|
---|
| 884 |
|
---|
| 885 | castSamples += samplesPerPass;
|
---|
| 886 |
|
---|
[1004] | 887 | Real timeDiff = TimeDiff(startTime, GetTime());
|
---|
| 888 | Debug << "finished in " << timeDiff * 1e-3 << " secs" << endl;
|
---|
| 889 | cout << "finished in " << timeDiff * 1e-3 << " secs" << endl;
|
---|
[664] | 890 |
|
---|
[1004] | 891 | cout << "computing sample contributions of " << (int)evaluationSamples.size() << " samples ... ";
|
---|
| 892 | Debug << "computing sample contributions of " << (int)evaluationSamples.size() << " samples ... ";
|
---|
| 893 |
|
---|
| 894 | startTime = GetTime();
|
---|
| 895 |
|
---|
[664] | 896 | ComputeSampleContributions(evaluationSamples, true, false);
|
---|
| 897 |
|
---|
[1004] | 898 | timeDiff = TimeDiff(startTime, GetTime());
|
---|
| 899 | cout << "finished in " << timeDiff * 1e-3 << " secs" << endl;
|
---|
| 900 | Debug << "finished in " << timeDiff * 1e-3 << " secs" << endl;
|
---|
[664] | 901 |
|
---|
[1004] | 902 | startTime = GetTime();
|
---|
[801] | 903 |
|
---|
[1444] | 904 | cout << "compute new statistics ... " << endl;
|
---|
| 905 |
|
---|
[801] | 906 | //-- propagate pvs or pvs size information
|
---|
[752] | 907 | ObjectPvs pvs;
|
---|
| 908 | UpdatePvsForEvaluation(mViewCellsTree->GetRoot(), pvs);
|
---|
[664] | 909 |
|
---|
[801] | 910 | //-- output stats
|
---|
[667] | 911 | sprintf(s, "-%09d-eval.log", castSamples);
|
---|
[664] | 912 | string fileName = string(statsPrefix) + string(s);
|
---|
| 913 |
|
---|
| 914 | mViewCellsTree->ExportStats(fileName);
|
---|
| 915 |
|
---|
[1004] | 916 | timeDiff = TimeDiff(startTime, GetTime());
|
---|
| 917 | cout << "finished in " << timeDiff * 1e-3 << " secs" << endl;
|
---|
[1444] | 918 | Debug << "statistis compted in " << timeDiff * 1e-3 << " secs" << endl;
|
---|
[664] | 919 |
|
---|
| 920 | disposeRays(evaluationSamples, NULL);
|
---|
[660] | 921 | }
|
---|
[728] | 922 |
|
---|
[997] | 923 |
|
---|
[1444] | 924 | ////////////7
|
---|
[997] | 925 | //-- histogram
|
---|
| 926 |
|
---|
[735] | 927 | bool useHisto;
|
---|
[997] | 928 | int histoStepSize;
|
---|
[693] | 929 |
|
---|
[1004] | 930 | Environment::GetSingleton()->GetBoolValue("ViewCells.Evaluation.histogram", useHisto);
|
---|
| 931 | Environment::GetSingleton()->GetIntValue("ViewCells.Evaluation.histoStepSize", histoStepSize);
|
---|
[728] | 932 |
|
---|
[744] | 933 | const int numLeaves = mViewCellsTree->GetNumInitialViewCells(mViewCellsTree->GetRoot());
|
---|
[736] | 934 |
|
---|
| 935 |
|
---|
[735] | 936 | if (useHisto)
|
---|
[734] | 937 | {
|
---|
[735] | 938 | // evaluate view cells in a histogram
|
---|
| 939 | char s[64];
|
---|
| 940 |
|
---|
[997] | 941 | for (int pass = histoStepSize; pass <= numLeaves; pass += histoStepSize)
|
---|
[744] | 942 | {
|
---|
[997] | 943 | string filename;
|
---|
[744] | 944 |
|
---|
[997] | 945 | cout << "computing histogram for " << pass << " view cells" << endl;
|
---|
| 946 | #if 0
|
---|
[744] | 947 | //-- evaluate histogram for render cost
|
---|
| 948 | sprintf(s, "-%09d-histo.log", pass);
|
---|
[997] | 949 | filename = string(statsPrefix) + string(s);
|
---|
[744] | 950 |
|
---|
| 951 | EvalViewCellHistogram(filename, pass);
|
---|
| 952 |
|
---|
[997] | 953 | #endif
|
---|
[744] | 954 | //////////////////////////////////////////
|
---|
[752] | 955 | //-- evaluate histogram for pvs size
|
---|
[744] | 956 |
|
---|
| 957 | cout << "computing pvs histogram for " << pass << " view cells" << endl;
|
---|
| 958 |
|
---|
| 959 | sprintf(s, "-%09d-histo-pvs.log", pass);
|
---|
| 960 | filename = string(statsPrefix) + string(s);
|
---|
| 961 |
|
---|
| 962 | EvalViewCellHistogramForPvsSize(filename, pass);
|
---|
| 963 | }
|
---|
[734] | 964 | }
|
---|
[660] | 965 | }
|
---|
| 966 |
|
---|
[704] | 967 |
|
---|
| 968 | inline float EvalMergeCost(ViewCell *root, ViewCell *candidate)
|
---|
[703] | 969 | {
|
---|
[704] | 970 | return root->GetPvs().GetPvsHomogenity(candidate->GetPvs());
|
---|
| 971 | }
|
---|
[660] | 972 |
|
---|
[703] | 973 |
|
---|
[1145] | 974 | /// Returns index of the best view cells of the neighborhood
|
---|
[704] | 975 | int GetBestViewCellIdx(ViewCell *root, const ViewCellContainer &neighborhood)
|
---|
| 976 | {
|
---|
[705] | 977 | int bestViewCellIdx = 0;
|
---|
[703] | 978 |
|
---|
[704] | 979 | float mergeCost = Limits::Infinity;
|
---|
| 980 | int i = 0;
|
---|
[703] | 981 |
|
---|
[734] | 982 | ViewCellContainer::const_iterator vit, vit_end = neighborhood.end();
|
---|
[703] | 983 |
|
---|
[734] | 984 | for (vit = neighborhood.begin(); vit != vit_end; ++ vit, ++ i)
|
---|
[703] | 985 | {
|
---|
[734] | 986 | const float mc = EvalMergeCost(root, *vit);
|
---|
[705] | 987 |
|
---|
| 988 | if (mc < mergeCost)
|
---|
[704] | 989 | {
|
---|
| 990 | mergeCost = mc;
|
---|
| 991 | bestViewCellIdx = i;
|
---|
[703] | 992 | }
|
---|
[704] | 993 | }
|
---|
[703] | 994 |
|
---|
[704] | 995 | return bestViewCellIdx;
|
---|
| 996 | }
|
---|
[703] | 997 |
|
---|
| 998 |
|
---|
[728] | 999 | void ViewCellsManager::SetMaxFilterSize(const int size)
|
---|
| 1000 | {
|
---|
| 1001 | mMaxFilterSize = size;
|
---|
| 1002 | }
|
---|
| 1003 |
|
---|
| 1004 |
|
---|
| 1005 | float ViewCellsManager::EvalRenderCost(Intersectable *obj) const
|
---|
| 1006 | {
|
---|
| 1007 | switch (mRenderCostEvaluationType)
|
---|
| 1008 | {
|
---|
| 1009 | case PER_OBJECT:
|
---|
[752] | 1010 | //cout << "perobject" << endl;
|
---|
| 1011 | return 1.0f;
|
---|
[728] | 1012 |
|
---|
| 1013 | case PER_TRIANGLE:
|
---|
[1145] | 1014 | {//cout << "pertriangle" << endl;
|
---|
[728] | 1015 | // HACK
|
---|
| 1016 | MeshInstance *mi = dynamic_cast<MeshInstance *>(obj);
|
---|
| 1017 |
|
---|
| 1018 | // HACK: assume meshes are triangles
|
---|
| 1019 | if (mi->GetMesh())
|
---|
| 1020 | {
|
---|
[1145] | 1021 | return (float)mi->GetMesh()->mFaces.size();
|
---|
[728] | 1022 | }
|
---|
| 1023 | }
|
---|
| 1024 | default:
|
---|
[752] | 1025 | cout << "default" << endl;
|
---|
| 1026 | return 1.0f;
|
---|
[728] | 1027 | }
|
---|
| 1028 |
|
---|
| 1029 | // should not come here
|
---|
[752] | 1030 | return 0.0f;
|
---|
[728] | 1031 | }
|
---|
| 1032 |
|
---|
| 1033 |
|
---|
[704] | 1034 | ViewCell *ViewCellsManager::ConstructLocalMergeTree(ViewCell *currentViewCell,
|
---|
| 1035 | const ViewCellContainer &viewCells)
|
---|
| 1036 | {
|
---|
| 1037 | ViewCell *root = currentViewCell;
|
---|
| 1038 | ViewCellContainer neighborhood = viewCells;
|
---|
[703] | 1039 |
|
---|
[704] | 1040 | ViewCellContainer::const_iterator it, it_end = neighborhood.end();
|
---|
[703] | 1041 |
|
---|
[704] | 1042 | const int n = min(mMaxFilterSize, (int)neighborhood.size());
|
---|
| 1043 | //-- use priority queue to merge leaf pairs
|
---|
[703] | 1044 |
|
---|
[705] | 1045 | //cout << "neighborhood: " << neighborhood.size() << endl;
|
---|
[704] | 1046 | //const float maxAvgCost = 350;
|
---|
| 1047 | for (int nMergedViewCells = 0; nMergedViewCells < n; ++ nMergedViewCells)
|
---|
[703] | 1048 | {
|
---|
[704] | 1049 | const int bestViewCellIdx = GetBestViewCellIdx(root, neighborhood);
|
---|
[703] | 1050 |
|
---|
[704] | 1051 | ViewCell *bestViewCell = neighborhood[bestViewCellIdx];
|
---|
[706] | 1052 |
|
---|
[704] | 1053 | // remove from vector
|
---|
| 1054 | swap(neighborhood[bestViewCellIdx], neighborhood.back());
|
---|
| 1055 | neighborhood.pop_back();
|
---|
[705] | 1056 |
|
---|
[713] | 1057 | // cout << "vc idx: " << bestViewCellIdx << endl;
|
---|
[704] | 1058 | if (!bestViewCell || !root)
|
---|
| 1059 | cout << "warning!!" << endl;
|
---|
[705] | 1060 |
|
---|
[704] | 1061 | // create new root of the hierarchy
|
---|
| 1062 | root = MergeViewCells(root, bestViewCell);
|
---|
[703] | 1063 | }
|
---|
| 1064 |
|
---|
[704] | 1065 | return root;
|
---|
[703] | 1066 | }
|
---|
| 1067 |
|
---|
[704] | 1068 |
|
---|
[713] | 1069 | struct SortableViewCellEntry {
|
---|
| 1070 |
|
---|
[1174] | 1071 | SortableViewCellEntry() {}
|
---|
| 1072 | SortableViewCellEntry(const float v, ViewCell *cell):mValue(v), mViewCell(cell) {}
|
---|
[713] | 1073 |
|
---|
[1174] | 1074 | float mValue;
|
---|
| 1075 | ViewCell *mViewCell;
|
---|
| 1076 |
|
---|
| 1077 | friend bool operator<(const SortableViewCellEntry &a, const SortableViewCellEntry &b) {
|
---|
| 1078 | return a.mValue < b.mValue;
|
---|
| 1079 | }
|
---|
[713] | 1080 | };
|
---|
| 1081 |
|
---|
[1174] | 1082 |
|
---|
| 1083 | ViewCell * ViewCellsManager::ConstructLocalMergeTree2(ViewCell *currentViewCell,
|
---|
| 1084 | const ViewCellContainer &viewCells)
|
---|
[713] | 1085 | {
|
---|
| 1086 |
|
---|
| 1087 | vector<SortableViewCellEntry> neighborhood(viewCells.size());
|
---|
| 1088 | int i, j;
|
---|
| 1089 | for (i = 0, j = 0; i < viewCells.size(); i++) {
|
---|
| 1090 | if (viewCells[i] != currentViewCell)
|
---|
| 1091 | neighborhood[j++] = SortableViewCellEntry(
|
---|
| 1092 | EvalMergeCost(currentViewCell, viewCells[i]),
|
---|
| 1093 | viewCells[i]);
|
---|
| 1094 | }
|
---|
| 1095 | neighborhood.resize(j);
|
---|
| 1096 |
|
---|
| 1097 | sort(neighborhood.begin(), neighborhood.end());
|
---|
| 1098 |
|
---|
| 1099 | ViewCell *root = currentViewCell;
|
---|
| 1100 |
|
---|
| 1101 | vector<SortableViewCellEntry>::const_iterator it, it_end = neighborhood.end();
|
---|
| 1102 |
|
---|
| 1103 | const int n = min(mMaxFilterSize, (int)neighborhood.size());
|
---|
| 1104 | //-- use priority queue to merge leaf pairs
|
---|
| 1105 |
|
---|
| 1106 | //cout << "neighborhood: " << neighborhood.size() << endl;
|
---|
| 1107 | for (int nMergedViewCells = 0; nMergedViewCells < n; ++ nMergedViewCells)
|
---|
[728] | 1108 | {
|
---|
[713] | 1109 | ViewCell *bestViewCell = neighborhood[nMergedViewCells].mViewCell;
|
---|
| 1110 | //cout <<nMergedViewCells<<":"<<"homogenity=" <<neighborhood[nMergedViewCells].mValue<<endl;
|
---|
| 1111 | // create new root of the hierarchy
|
---|
| 1112 | root = MergeViewCells(root, bestViewCell);
|
---|
| 1113 | // set negative cost so that this view cell gets deleted
|
---|
| 1114 | root->SetMergeCost(-1.0f);
|
---|
[728] | 1115 | }
|
---|
[713] | 1116 |
|
---|
| 1117 | return root;
|
---|
| 1118 | }
|
---|
| 1119 |
|
---|
| 1120 | void
|
---|
| 1121 | ViewCellsManager::DeleteLocalMergeTree(ViewCell *vc
|
---|
| 1122 | ) const
|
---|
| 1123 | {
|
---|
| 1124 | if (!vc->IsLeaf() && vc->GetMergeCost() < 0.0f) {
|
---|
| 1125 | ViewCellInterior *vci = (ViewCellInterior *) vc;
|
---|
| 1126 | ViewCellContainer::const_iterator it, it_end = vci->mChildren.end();
|
---|
| 1127 |
|
---|
| 1128 | for (it = vci->mChildren.begin(); it != it_end; ++ it)
|
---|
| 1129 | DeleteLocalMergeTree(*it);
|
---|
| 1130 | vci->mChildren.clear();
|
---|
| 1131 | delete vci;
|
---|
| 1132 | }
|
---|
| 1133 | }
|
---|
| 1134 |
|
---|
[1021] | 1135 |
|
---|
[564] | 1136 | bool ViewCellsManager::CheckValidity(ViewCell *vc,
|
---|
| 1137 | int minPvsSize,
|
---|
[562] | 1138 | int maxPvsSize) const
|
---|
[547] | 1139 | {
|
---|
[569] | 1140 |
|
---|
[1168] | 1141 | if ((vc->GetPvs().CountObjectsInPvs() > maxPvsSize) ||
|
---|
| 1142 | (vc->GetPvs().CountObjectsInPvs() < minPvsSize))
|
---|
[564] | 1143 | {
|
---|
[710] | 1144 | return false;
|
---|
[561] | 1145 | }
|
---|
[570] | 1146 |
|
---|
[710] | 1147 | return true;
|
---|
[547] | 1148 | }
|
---|
| 1149 |
|
---|
| 1150 |
|
---|
[710] | 1151 | int ViewCellsManager::ComputeBoxIntersections(const AxisAlignedBox3 &box,
|
---|
| 1152 | ViewCellContainer &viewCells) const
|
---|
| 1153 | {
|
---|
| 1154 | return 0;
|
---|
| 1155 | };
|
---|
| 1156 |
|
---|
[1021] | 1157 |
|
---|
[697] | 1158 | AxisAlignedBox3 ViewCellsManager::GetFilterBBox(const Vector3 &viewPoint,
|
---|
| 1159 | const float width) const
|
---|
| 1160 | {
|
---|
[746] | 1161 | float w = Magnitude(mViewSpaceBox.Size())*width;
|
---|
| 1162 | Vector3 min = viewPoint - w * 0.5f;
|
---|
| 1163 | Vector3 max = viewPoint + w * 0.5f;
|
---|
| 1164 |
|
---|
| 1165 | return AxisAlignedBox3(min, max);
|
---|
[697] | 1166 | }
|
---|
| 1167 |
|
---|
| 1168 |
|
---|
[904] | 1169 | void ViewCellsManager::GetPrVS(const Vector3 &viewPoint,
|
---|
| 1170 | PrVs &prvs,
|
---|
| 1171 | const float filterWidth)
|
---|
[697] | 1172 | {
|
---|
[1112] | 1173 |
|
---|
[746] | 1174 |
|
---|
[1112] | 1175 |
|
---|
| 1176 |
|
---|
[746] | 1177 | ViewCell *currentViewCell = GetViewCell(viewPoint);
|
---|
[697] | 1178 |
|
---|
[1112] | 1179 | if (mMaxFilterSize < 1) {
|
---|
| 1180 | prvs.mViewCell = currentViewCell;
|
---|
| 1181 | return;
|
---|
| 1182 | }
|
---|
| 1183 |
|
---|
| 1184 | const AxisAlignedBox3 box = GetFilterBBox(viewPoint, filterWidth);
|
---|
| 1185 |
|
---|
[746] | 1186 | if (currentViewCell) {
|
---|
[697] | 1187 | ViewCellContainer viewCells;
|
---|
| 1188 | ComputeBoxIntersections(box, viewCells);
|
---|
[1112] | 1189 |
|
---|
| 1190 |
|
---|
[713] | 1191 | ViewCell *root = ConstructLocalMergeTree2(currentViewCell, viewCells);
|
---|
[704] | 1192 | prvs.mViewCell = root;
|
---|
[1112] | 1193 |
|
---|
[746] | 1194 | } else
|
---|
| 1195 | prvs.mViewCell = NULL;
|
---|
| 1196 | //prvs.mPvs = root->GetPvs();
|
---|
[697] | 1197 | }
|
---|
| 1198 |
|
---|
| 1199 |
|
---|
[581] | 1200 | bool ViewCellsManager::ViewCellsTreeConstructed() const
|
---|
| 1201 | {
|
---|
[1002] | 1202 | return (mViewCellsTree && mViewCellsTree->GetRoot());
|
---|
[581] | 1203 | }
|
---|
| 1204 |
|
---|
| 1205 |
|
---|
[564] | 1206 | void ViewCellsManager::SetValidity(ViewCell *vc,
|
---|
| 1207 | int minPvs,
|
---|
[562] | 1208 | int maxPvs) const
|
---|
| 1209 | {
|
---|
| 1210 | vc->SetValid(CheckValidity(vc, minPvs, maxPvs));
|
---|
| 1211 | }
|
---|
| 1212 |
|
---|
[577] | 1213 |
|
---|
[569] | 1214 | void
|
---|
| 1215 | ViewCellsManager::SetValidity(
|
---|
[570] | 1216 | int minPvsSize,
|
---|
[569] | 1217 | int maxPvsSize) const
|
---|
| 1218 | {
|
---|
[991] | 1219 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
[570] | 1220 |
|
---|
[991] | 1221 |
|
---|
| 1222 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 1223 | {
|
---|
| 1224 | SetValidity(*it, minPvsSize, maxPvsSize);
|
---|
| 1225 | }
|
---|
[569] | 1226 | }
|
---|
[562] | 1227 |
|
---|
[569] | 1228 | void
|
---|
| 1229 | ViewCellsManager::SetValidityPercentage(
|
---|
| 1230 | const float minValid,
|
---|
| 1231 | const float maxValid
|
---|
| 1232 | )
|
---|
| 1233 | {
|
---|
[997] | 1234 | sort(mViewCells.begin(), mViewCells.end(), ViewCell::SmallerPvs);
|
---|
[570] | 1235 |
|
---|
[1151] | 1236 | int start = (int)(mViewCells.size() * minValid);
|
---|
| 1237 | int end = (int)(mViewCells.size() * maxValid);
|
---|
[570] | 1238 |
|
---|
[1151] | 1239 | for (int i = 0; i < (int)mViewCells.size(); ++ i)
|
---|
[997] | 1240 | {
|
---|
| 1241 | mViewCells[i]->SetValid(i >= start && i <= end);
|
---|
| 1242 | }
|
---|
[569] | 1243 | }
|
---|
| 1244 |
|
---|
[1148] | 1245 |
|
---|
[991] | 1246 | int ViewCellsManager::CountValidViewcells() const
|
---|
[569] | 1247 | {
|
---|
[991] | 1248 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 1249 | int valid = 0;
|
---|
| 1250 |
|
---|
| 1251 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 1252 | {
|
---|
| 1253 | if ((*it)->GetValid())
|
---|
| 1254 | ++ valid;
|
---|
| 1255 | }
|
---|
| 1256 |
|
---|
| 1257 | return valid;
|
---|
[569] | 1258 | }
|
---|
| 1259 |
|
---|
[577] | 1260 |
|
---|
| 1261 | bool ViewCellsManager::LoadViewCellsGeometry(const string filename)
|
---|
[440] | 1262 | {
|
---|
| 1263 | X3dParser parser;
|
---|
[503] | 1264 |
|
---|
[1004] | 1265 | Environment::GetSingleton()->GetFloatValue("ViewCells.height", parser.mViewCellHeight);
|
---|
[503] | 1266 |
|
---|
[440] | 1267 | bool success = parser.ParseFile(filename, *this);
|
---|
| 1268 | Debug << (int)mViewCells.size() << " view cells loaded" << endl;
|
---|
| 1269 |
|
---|
| 1270 | return success;
|
---|
| 1271 | }
|
---|
| 1272 |
|
---|
[485] | 1273 |
|
---|
[487] | 1274 | bool ViewCellsManager::GetViewPoint(Vector3 &viewPoint) const
|
---|
| 1275 | {
|
---|
[542] | 1276 | viewPoint = mViewSpaceBox.GetRandomPoint();
|
---|
[487] | 1277 | return true;
|
---|
| 1278 | }
|
---|
| 1279 |
|
---|
| 1280 |
|
---|
[557] | 1281 | float ViewCellsManager::GetViewSpaceVolume()
|
---|
| 1282 | {
|
---|
[610] | 1283 | return mViewSpaceBox.GetVolume() * (2.0f * sqr((float)M_PI));
|
---|
[557] | 1284 | }
|
---|
| 1285 |
|
---|
| 1286 |
|
---|
[490] | 1287 | bool ViewCellsManager::ViewPointValid(const Vector3 &viewPoint) const
|
---|
| 1288 | {
|
---|
[1444] | 1289 | if (!ViewCellsConstructed())
|
---|
| 1290 | {
|
---|
| 1291 | return mViewSpaceBox.IsInside(viewPoint);
|
---|
| 1292 | }
|
---|
| 1293 | else
|
---|
| 1294 | {
|
---|
| 1295 | if (!mViewSpaceBox.IsInside(viewPoint))
|
---|
| 1296 | return false;
|
---|
[837] | 1297 |
|
---|
[1444] | 1298 | ViewCell *viewcell = GetViewCell(viewPoint);
|
---|
| 1299 |
|
---|
| 1300 | if (!viewcell || !viewcell->GetValid())
|
---|
| 1301 | return false;
|
---|
| 1302 | }
|
---|
| 1303 |
|
---|
| 1304 | return true;
|
---|
[490] | 1305 | }
|
---|
| 1306 |
|
---|
[501] | 1307 |
|
---|
[1444] | 1308 | float ViewCellsManager::ComputeSampleContributions(const VssRayContainer &rays,
|
---|
| 1309 | const bool addRays,
|
---|
| 1310 | const bool storeViewCells)
|
---|
[440] | 1311 | {
|
---|
[1444] | 1312 | // view cells not yet constructed
|
---|
| 1313 | if (!ViewCellsConstructed())
|
---|
| 1314 | return 0.0f;
|
---|
| 1315 |
|
---|
| 1316 | float sum = 0.0f;
|
---|
[564] | 1317 |
|
---|
[1444] | 1318 | VssRayContainer::const_iterator it, it_end = rays.end();
|
---|
| 1319 |
|
---|
| 1320 | for (it = rays.begin(); it != it_end; ++ it)
|
---|
| 1321 | {
|
---|
| 1322 | sum += ComputeSampleContribution(*(*it), addRays, storeViewCells);
|
---|
| 1323 | }
|
---|
[503] | 1324 |
|
---|
[1444] | 1325 | return sum;
|
---|
[440] | 1326 | }
|
---|
| 1327 |
|
---|
[485] | 1328 |
|
---|
[479] | 1329 | void ViewCellsManager::EvaluateViewCellsStats()
|
---|
| 1330 | {
|
---|
[660] | 1331 | mCurrentViewCellsStats.Reset();
|
---|
[479] | 1332 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 1333 |
|
---|
| 1334 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
[487] | 1335 | {
|
---|
[660] | 1336 | mViewCellsTree->UpdateViewCellsStats(*it, mCurrentViewCellsStats);
|
---|
[487] | 1337 | }
|
---|
[479] | 1338 | }
|
---|
| 1339 |
|
---|
[485] | 1340 |
|
---|
[580] | 1341 | void ViewCellsManager::EvaluateRenderStatistics(float &totalRenderCost,
|
---|
[579] | 1342 | float &expectedRenderCost,
|
---|
[580] | 1343 | float &deviation,
|
---|
| 1344 | float &variance,
|
---|
| 1345 | int &totalPvs,
|
---|
| 1346 | float &avgRenderCost)
|
---|
[579] | 1347 | {
|
---|
[1444] | 1348 | ////////////
|
---|
| 1349 | //-- compute expected value
|
---|
[579] | 1350 |
|
---|
| 1351 | totalRenderCost = 0;
|
---|
[580] | 1352 | totalPvs = 0;
|
---|
[579] | 1353 |
|
---|
[1444] | 1354 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 1355 |
|
---|
[579] | 1356 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 1357 | {
|
---|
| 1358 | ViewCell *vc = *it;
|
---|
[1168] | 1359 | totalRenderCost += vc->GetPvs().CountObjectsInPvs() * vc->GetVolume();
|
---|
| 1360 | totalPvs += (int)vc->GetPvs().CountObjectsInPvs();
|
---|
[579] | 1361 | }
|
---|
| 1362 |
|
---|
[580] | 1363 | // normalize with view space box
|
---|
| 1364 | totalRenderCost /= mViewSpaceBox.GetVolume();
|
---|
[579] | 1365 | expectedRenderCost = totalRenderCost / (float)mViewCells.size();
|
---|
[580] | 1366 | avgRenderCost = totalPvs / (float)mViewCells.size();
|
---|
[579] | 1367 |
|
---|
| 1368 |
|
---|
[1444] | 1369 | ///////////
|
---|
[580] | 1370 | //-- compute standard defiation
|
---|
[1444] | 1371 |
|
---|
[579] | 1372 | variance = 0;
|
---|
[580] | 1373 | deviation = 0;
|
---|
[579] | 1374 |
|
---|
| 1375 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 1376 | {
|
---|
| 1377 | ViewCell *vc = *it;
|
---|
| 1378 |
|
---|
[1168] | 1379 | float renderCost = vc->GetPvs().CountObjectsInPvs() * vc->GetVolume();
|
---|
[580] | 1380 | float dev;
|
---|
[579] | 1381 |
|
---|
[580] | 1382 | if (1)
|
---|
[1168] | 1383 | dev = fabs(avgRenderCost - (float)vc->GetPvs().CountObjectsInPvs());
|
---|
[580] | 1384 | else
|
---|
| 1385 | dev = fabs(expectedRenderCost - renderCost);
|
---|
[579] | 1386 |
|
---|
[580] | 1387 | deviation += dev;
|
---|
| 1388 | variance += dev * dev;
|
---|
[579] | 1389 | }
|
---|
[580] | 1390 |
|
---|
[579] | 1391 | variance /= (float)mViewCells.size();
|
---|
[580] | 1392 | deviation /= (float)mViewCells.size();
|
---|
[579] | 1393 | }
|
---|
| 1394 |
|
---|
| 1395 |
|
---|
| 1396 |
|
---|
[440] | 1397 | void ViewCellsManager::AddViewCell(ViewCell *viewCell)
|
---|
| 1398 | {
|
---|
| 1399 | mViewCells.push_back(viewCell);
|
---|
| 1400 | }
|
---|
| 1401 |
|
---|
[485] | 1402 |
|
---|
[478] | 1403 | float ViewCellsManager::GetArea(ViewCell *viewCell) const
|
---|
| 1404 | {
|
---|
| 1405 | return viewCell->GetArea();
|
---|
| 1406 | }
|
---|
| 1407 |
|
---|
| 1408 |
|
---|
| 1409 | float ViewCellsManager::GetVolume(ViewCell *viewCell) const
|
---|
| 1410 | {
|
---|
| 1411 | return viewCell->GetVolume();
|
---|
| 1412 | }
|
---|
| 1413 |
|
---|
[485] | 1414 |
|
---|
[1002] | 1415 | void ViewCellsManager::DeriveViewCellsFromObjects(const ObjectContainer &objects,
|
---|
| 1416 | ViewCellContainer &viewCells,
|
---|
| 1417 | const int maxViewCells) const
|
---|
[440] | 1418 | {
|
---|
| 1419 | // maximal max viewcells
|
---|
[503] | 1420 | int limit = maxViewCells > 0 ?
|
---|
[440] | 1421 | Min((int)objects.size(), maxViewCells) : (int)objects.size();
|
---|
| 1422 |
|
---|
| 1423 | for (int i = 0; i < limit; ++ i)
|
---|
| 1424 | {
|
---|
| 1425 | Intersectable *object = objects[i];
|
---|
[503] | 1426 |
|
---|
[440] | 1427 | // extract the mesh instances
|
---|
| 1428 | if (object->Type() == Intersectable::MESH_INSTANCE)
|
---|
| 1429 | {
|
---|
| 1430 | MeshInstance *inst = dynamic_cast<MeshInstance *>(object);
|
---|
| 1431 |
|
---|
| 1432 | ViewCell *viewCell = GenerateViewCell(inst->GetMesh());
|
---|
| 1433 | viewCells.push_back(viewCell);
|
---|
| 1434 | }
|
---|
[1001] | 1435 | else if (object->Type() == Intersectable::TRANSFORMED_MESH_INSTANCE)
|
---|
| 1436 | {
|
---|
| 1437 | TransformedMeshInstance *mi = dynamic_cast<TransformedMeshInstance *>(object);
|
---|
| 1438 |
|
---|
| 1439 | Mesh *mesh = MeshManager::GetSingleton()->CreateResource();
|
---|
[1002] | 1440 |
|
---|
[1001] | 1441 | // transform mesh
|
---|
[1002] | 1442 | mi->GetTransformedMesh(*mesh);
|
---|
[1001] | 1443 |
|
---|
| 1444 | // create bb + kd tree
|
---|
| 1445 | mesh->Preprocess();
|
---|
| 1446 |
|
---|
| 1447 | ViewCell *viewCell = GenerateViewCell(mi->GetMesh());
|
---|
| 1448 | viewCells.push_back(viewCell);
|
---|
| 1449 |
|
---|
| 1450 | break;
|
---|
| 1451 | }
|
---|
[440] | 1452 | }
|
---|
| 1453 | }
|
---|
| 1454 |
|
---|
[485] | 1455 |
|
---|
[503] | 1456 | ViewCell *ViewCellsManager::ExtrudeViewCell(const Triangle3 &baseTri,
|
---|
[440] | 1457 | const float height) const
|
---|
| 1458 | {
|
---|
| 1459 | // one mesh per view cell
|
---|
[1001] | 1460 | Mesh *mesh = MeshManager::GetSingleton()->CreateResource();
|
---|
[503] | 1461 |
|
---|
[440] | 1462 | //-- construct prism
|
---|
| 1463 |
|
---|
[503] | 1464 | // bottom
|
---|
[440] | 1465 | mesh->mFaces.push_back(new Face(2,1,0));
|
---|
| 1466 | // top
|
---|
| 1467 | mesh->mFaces.push_back(new Face(3,4,5));
|
---|
| 1468 | // sides
|
---|
| 1469 | mesh->mFaces.push_back(new Face(1, 4, 3, 0));
|
---|
| 1470 | mesh->mFaces.push_back(new Face(2, 5, 4, 1));
|
---|
| 1471 | mesh->mFaces.push_back(new Face(3, 5, 2, 0));
|
---|
| 1472 |
|
---|
| 1473 | //--- extrude new vertices for top of prism
|
---|
| 1474 | Vector3 triNorm = baseTri.GetNormal();
|
---|
| 1475 |
|
---|
[503] | 1476 | Triangle3 topTri;
|
---|
[440] | 1477 |
|
---|
| 1478 | // add base vertices and calculate top vertices
|
---|
| 1479 | for (int i = 0; i < 3; ++ i)
|
---|
| 1480 | mesh->mVertices.push_back(baseTri.mVertices[i]);
|
---|
[503] | 1481 |
|
---|
| 1482 | // add top vertices
|
---|
[440] | 1483 | for (int i = 0; i < 3; ++ i)
|
---|
| 1484 | mesh->mVertices.push_back(baseTri.mVertices[i] + height * triNorm);
|
---|
[503] | 1485 |
|
---|
[440] | 1486 | mesh->Preprocess();
|
---|
| 1487 |
|
---|
| 1488 | return GenerateViewCell(mesh);
|
---|
| 1489 | }
|
---|
| 1490 |
|
---|
[485] | 1491 |
|
---|
[551] | 1492 | void ViewCellsManager::FinalizeViewCells(const bool createMesh)
|
---|
| 1493 | {
|
---|
| 1494 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
[693] | 1495 |
|
---|
| 1496 | // volume and area of the view cells are recomputed and a view cell mesh is created
|
---|
[551] | 1497 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 1498 | {
|
---|
| 1499 | Finalize(*it, createMesh);
|
---|
| 1500 | }
|
---|
[555] | 1501 |
|
---|
| 1502 | mTotalAreaValid = false;
|
---|
[551] | 1503 | }
|
---|
| 1504 |
|
---|
| 1505 |
|
---|
| 1506 | void ViewCellsManager::Finalize(ViewCell *viewCell, const bool createMesh)
|
---|
| 1507 | {
|
---|
| 1508 | // implemented in subclasses
|
---|
| 1509 | }
|
---|
| 1510 |
|
---|
[1001] | 1511 |
|
---|
[1168] | 1512 | /** fast way of merging 2 view cells.
|
---|
| 1513 | */
|
---|
[582] | 1514 | ViewCellInterior *ViewCellsManager::MergeViewCells(ViewCell *left, ViewCell *right) const
|
---|
[440] | 1515 | {
|
---|
[580] | 1516 | // generate parent view cell
|
---|
[752] | 1517 | ViewCellInterior *vc = new ViewCellInterior();
|
---|
[710] | 1518 |
|
---|
[752] | 1519 | vc->GetPvs().Clear();
|
---|
[610] | 1520 | vc->GetPvs() = left->GetPvs();
|
---|
[752] | 1521 |
|
---|
| 1522 | // merge pvs of right cell
|
---|
[610] | 1523 | vc->GetPvs().Merge(right->GetPvs());
|
---|
[440] | 1524 |
|
---|
[710] | 1525 | // set only links to child (not from child to parent, maybe not wished!!)
|
---|
| 1526 | vc->mChildren.push_back(left);
|
---|
| 1527 | vc->mChildren.push_back(right);
|
---|
| 1528 |
|
---|
[752] | 1529 | // update pvs size
|
---|
[1168] | 1530 | UpdateScalarPvsSize(vc, vc->GetPvs().CountObjectsInPvs(), vc->GetPvs().GetSize());
|
---|
[752] | 1531 |
|
---|
[440] | 1532 | return vc;
|
---|
| 1533 | }
|
---|
| 1534 |
|
---|
[485] | 1535 |
|
---|
[582] | 1536 | ViewCellInterior *ViewCellsManager::MergeViewCells(ViewCellContainer &children) const
|
---|
| 1537 | {
|
---|
[752] | 1538 | ViewCellInterior *vc = new ViewCellInterior();
|
---|
[582] | 1539 |
|
---|
| 1540 | ViewCellContainer::const_iterator it, it_end = children.end();
|
---|
| 1541 |
|
---|
| 1542 | for (it = children.begin(); it != it_end; ++ it)
|
---|
| 1543 | {
|
---|
| 1544 | // merge pvs
|
---|
[610] | 1545 | vc->GetPvs().Merge((*it)->GetPvs());
|
---|
[710] | 1546 | vc->mChildren.push_back(*it);
|
---|
[582] | 1547 | }
|
---|
| 1548 |
|
---|
| 1549 | return vc;
|
---|
| 1550 | }
|
---|
| 1551 |
|
---|
| 1552 |
|
---|
[480] | 1553 | void ViewCellsManager::SetRenderer(Renderer *renderer)
|
---|
| 1554 | {
|
---|
| 1555 | mRenderer = renderer;
|
---|
| 1556 | }
|
---|
[441] | 1557 |
|
---|
[485] | 1558 |
|
---|
[580] | 1559 | ViewCellsTree *ViewCellsManager::GetViewCellsTree()
|
---|
[440] | 1560 | {
|
---|
[580] | 1561 | return mViewCellsTree;
|
---|
[440] | 1562 | }
|
---|
| 1563 |
|
---|
| 1564 |
|
---|
| 1565 | void ViewCellsManager::SetVisualizationSamples(const int visSamples)
|
---|
| 1566 | {
|
---|
[444] | 1567 | mVisualizationSamples = visSamples;
|
---|
[440] | 1568 | }
|
---|
| 1569 |
|
---|
[485] | 1570 |
|
---|
[440] | 1571 | void ViewCellsManager::SetConstructionSamples(const int constructionSamples)
|
---|
| 1572 | {
|
---|
| 1573 | mConstructionSamples = constructionSamples;
|
---|
| 1574 | }
|
---|
| 1575 |
|
---|
[485] | 1576 |
|
---|
[574] | 1577 | void ViewCellsManager::SetInitialSamples(const int initialSamples)
|
---|
| 1578 | {
|
---|
| 1579 | mInitialSamples = initialSamples;
|
---|
| 1580 | }
|
---|
| 1581 |
|
---|
| 1582 |
|
---|
[440] | 1583 | void ViewCellsManager::SetPostProcessSamples(const int postProcessSamples)
|
---|
| 1584 | {
|
---|
| 1585 | mPostProcessSamples = postProcessSamples;
|
---|
| 1586 | }
|
---|
| 1587 |
|
---|
[485] | 1588 |
|
---|
[440] | 1589 | int ViewCellsManager::GetVisualizationSamples() const
|
---|
| 1590 | {
|
---|
| 1591 | return mVisualizationSamples;
|
---|
| 1592 | }
|
---|
| 1593 |
|
---|
[485] | 1594 |
|
---|
[440] | 1595 | int ViewCellsManager::GetConstructionSamples() const
|
---|
| 1596 | {
|
---|
| 1597 | return mConstructionSamples;
|
---|
| 1598 | }
|
---|
| 1599 |
|
---|
[485] | 1600 |
|
---|
[440] | 1601 | int ViewCellsManager::GetPostProcessSamples() const
|
---|
| 1602 | {
|
---|
| 1603 | return mPostProcessSamples;
|
---|
| 1604 | }
|
---|
| 1605 |
|
---|
[485] | 1606 |
|
---|
[719] | 1607 | void ViewCellsManager::UpdatePvs()
|
---|
| 1608 | {
|
---|
[720] | 1609 | if (mViewCellPvsIsUpdated || !ViewCellsTreeConstructed())
|
---|
[719] | 1610 | return;
|
---|
| 1611 |
|
---|
| 1612 | mViewCellPvsIsUpdated = true;
|
---|
| 1613 |
|
---|
| 1614 | ViewCellContainer leaves;
|
---|
| 1615 | mViewCellsTree->CollectLeaves(mViewCellsTree->GetRoot(), leaves);
|
---|
| 1616 |
|
---|
| 1617 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 1618 |
|
---|
| 1619 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 1620 | {
|
---|
| 1621 | mViewCellsTree->PropagatePvs(*it);
|
---|
| 1622 | }
|
---|
| 1623 | }
|
---|
| 1624 |
|
---|
| 1625 |
|
---|
[485] | 1626 | void ViewCellsManager::GetPvsStatistics(PvsStatistics &stat)
|
---|
[467] | 1627 | {
|
---|
[1199] | 1628 | // update pvs of view cells tree if necessary
|
---|
| 1629 | UpdatePvs();
|
---|
| 1630 |
|
---|
| 1631 | ViewCellContainer::const_iterator it = mViewCells.begin();
|
---|
| 1632 |
|
---|
| 1633 | stat.viewcells = 0;
|
---|
| 1634 | stat.minPvs = 100000000;
|
---|
| 1635 | stat.maxPvs = 0;
|
---|
| 1636 | stat.avgPvs = 0.0f;
|
---|
| 1637 |
|
---|
| 1638 | for (; it != mViewCells.end(); ++ it)
|
---|
[719] | 1639 | {
|
---|
[1199] | 1640 | ViewCell *viewcell = *it;
|
---|
[1121] | 1641 |
|
---|
[1199] | 1642 | // bool mCountKdPvs = false;
|
---|
| 1643 | const int pvsSize = mViewCellsTree->GetPvsSize(viewcell);
|
---|
[1121] | 1644 |
|
---|
| 1645 |
|
---|
[1199] | 1646 | if (pvsSize < stat.minPvs)
|
---|
| 1647 | stat.minPvs = pvsSize;
|
---|
| 1648 | if (pvsSize > stat.maxPvs)
|
---|
| 1649 | stat.maxPvs = pvsSize;
|
---|
| 1650 |
|
---|
| 1651 | stat.avgPvs += pvsSize;
|
---|
| 1652 |
|
---|
| 1653 | ++ stat.viewcells;
|
---|
[719] | 1654 | }
|
---|
[1199] | 1655 |
|
---|
| 1656 | if (stat.viewcells)
|
---|
| 1657 | stat.avgPvs/=stat.viewcells;
|
---|
[467] | 1658 | }
|
---|
| 1659 |
|
---|
[485] | 1660 |
|
---|
[480] | 1661 | void ViewCellsManager::PrintPvsStatistics(ostream &s)
|
---|
[467] | 1662 | {
|
---|
| 1663 | s<<"############# Viewcell PVS STAT ##################\n";
|
---|
| 1664 | PvsStatistics pvsStat;
|
---|
| 1665 | GetPvsStatistics(pvsStat);
|
---|
| 1666 | s<<"#AVG_PVS\n"<<pvsStat.avgPvs<<endl;
|
---|
| 1667 | s<<"#MAX_PVS\n"<<pvsStat.maxPvs<<endl;
|
---|
| 1668 | s<<"#MIN_PVS\n"<<pvsStat.minPvs<<endl;
|
---|
| 1669 | }
|
---|
| 1670 |
|
---|
[485] | 1671 |
|
---|
[532] | 1672 | int ViewCellsManager::CastBeam(Beam &beam)
|
---|
| 1673 | {
|
---|
| 1674 | return 0;
|
---|
| 1675 | }
|
---|
| 1676 |
|
---|
[547] | 1677 |
|
---|
[468] | 1678 | ViewCellContainer &ViewCellsManager::GetViewCells()
|
---|
| 1679 | {
|
---|
| 1680 | return mViewCells;
|
---|
| 1681 | }
|
---|
| 1682 |
|
---|
[485] | 1683 |
|
---|
[487] | 1684 | void ViewCellsManager::SetViewSpaceBox(const AxisAlignedBox3 &box)
|
---|
| 1685 | {
|
---|
[542] | 1686 | mViewSpaceBox = box;
|
---|
[1074] | 1687 |
|
---|
[1027] | 1688 | // hack: create clip plane relative to new view space box
|
---|
[660] | 1689 | CreateClipPlane();
|
---|
[1027] | 1690 | // the total area of the view space has changed
|
---|
[577] | 1691 | mTotalAreaValid = false;
|
---|
[487] | 1692 | }
|
---|
| 1693 |
|
---|
| 1694 |
|
---|
[660] | 1695 | void ViewCellsManager::CreateClipPlane()
|
---|
[591] | 1696 | {
|
---|
| 1697 | int axis = 0;
|
---|
[667] | 1698 | float pos;
|
---|
[1418] | 1699 | bool orientation;
|
---|
| 1700 | Vector3 absPos;
|
---|
[591] | 1701 |
|
---|
[1004] | 1702 | Environment::GetSingleton()->GetFloatValue("ViewCells.Visualization.clipPlanePos", pos);
|
---|
[1416] | 1703 | Environment::GetSingleton()->GetIntValue("ViewCells.Visualization.clipPlaneAxis", axis);
|
---|
[591] | 1704 |
|
---|
[1418] | 1705 | if (axis < 0)
|
---|
| 1706 | {
|
---|
| 1707 | axis = -axis;
|
---|
| 1708 | orientation = false;
|
---|
| 1709 | absPos = mViewSpaceBox.Max() - mViewSpaceBox.Size() * pos;
|
---|
| 1710 | }
|
---|
| 1711 | else
|
---|
| 1712 | {
|
---|
| 1713 | orientation = true;
|
---|
| 1714 | absPos = mViewSpaceBox.Min() + mViewSpaceBox.Size() * pos;
|
---|
| 1715 | }
|
---|
| 1716 |
|
---|
[1416] | 1717 | mClipPlaneForViz = AxisAlignedPlane(axis, absPos[axis]);
|
---|
[1418] | 1718 | mClipPlaneForViz.mOrientation = orientation;
|
---|
[591] | 1719 | }
|
---|
| 1720 |
|
---|
| 1721 |
|
---|
[519] | 1722 | AxisAlignedBox3 ViewCellsManager::GetViewSpaceBox() const
|
---|
| 1723 | {
|
---|
[542] | 1724 | return mViewSpaceBox;
|
---|
[519] | 1725 | }
|
---|
| 1726 |
|
---|
| 1727 |
|
---|
[480] | 1728 | void ViewCellsManager::ResetViewCells()
|
---|
| 1729 | {
|
---|
[720] | 1730 | // recollect view cells
|
---|
[480] | 1731 | mViewCells.clear();
|
---|
| 1732 | CollectViewCells();
|
---|
[590] | 1733 |
|
---|
[720] | 1734 | // stats are computed once more
|
---|
[480] | 1735 | EvaluateViewCellsStats();
|
---|
[590] | 1736 |
|
---|
[520] | 1737 | // has to be recomputed
|
---|
[480] | 1738 | mTotalAreaValid = false;
|
---|
| 1739 | }
|
---|
| 1740 |
|
---|
[485] | 1741 |
|
---|
[547] | 1742 | int ViewCellsManager::GetMaxPvsSize() const
|
---|
| 1743 | {
|
---|
| 1744 | return mMaxPvsSize;
|
---|
| 1745 | }
|
---|
| 1746 |
|
---|
[590] | 1747 |
|
---|
[563] | 1748 | void
|
---|
| 1749 | ViewCellsManager::AddSampleContributions(const VssRayContainer &rays)
|
---|
| 1750 | {
|
---|
| 1751 | if (!ViewCellsConstructed())
|
---|
| 1752 | return;
|
---|
[564] | 1753 |
|
---|
[563] | 1754 | VssRayContainer::const_iterator it, it_end = rays.end();
|
---|
[564] | 1755 |
|
---|
[563] | 1756 | for (it = rays.begin(); it != it_end; ++ it) {
|
---|
| 1757 | AddSampleContributions(*(*it));
|
---|
| 1758 | }
|
---|
| 1759 | }
|
---|
[547] | 1760 |
|
---|
[581] | 1761 |
|
---|
[562] | 1762 | int ViewCellsManager::GetMinPvsSize() const
|
---|
| 1763 | {
|
---|
| 1764 | return mMinPvsSize;
|
---|
| 1765 | }
|
---|
| 1766 |
|
---|
| 1767 |
|
---|
| 1768 |
|
---|
[561] | 1769 | float ViewCellsManager::GetMaxPvsRatio() const
|
---|
| 1770 | {
|
---|
| 1771 | return mMaxPvsRatio;
|
---|
| 1772 | }
|
---|
| 1773 |
|
---|
| 1774 |
|
---|
[563] | 1775 | void
|
---|
| 1776 | ViewCellsManager::AddSampleContributions(VssRay &ray)
|
---|
[468] | 1777 | {
|
---|
[563] | 1778 | // assumes viewcells have been stored...
|
---|
| 1779 | ViewCellContainer *viewcells = &ray.mViewCells;
|
---|
| 1780 | ViewCellContainer::const_iterator it;
|
---|
| 1781 | for (it = viewcells->begin(); it != viewcells->end(); ++it) {
|
---|
| 1782 | ViewCell *viewcell = *it;
|
---|
[569] | 1783 | if (viewcell->GetValid()) {
|
---|
| 1784 | // if ray not outside of view space
|
---|
| 1785 | viewcell->GetPvs().AddSample(ray.mTerminationObject, ray.mPdf);
|
---|
| 1786 | }
|
---|
[563] | 1787 | }
|
---|
| 1788 | }
|
---|
[503] | 1789 |
|
---|
[574] | 1790 |
|
---|
[1159] | 1791 | float ViewCellsManager::ComputeSampleContribution(VssRay &ray,
|
---|
| 1792 | const bool addRays,
|
---|
| 1793 | const bool storeViewCells)
|
---|
[563] | 1794 | {
|
---|
[570] | 1795 | ViewCellContainer viewcells;
|
---|
[564] | 1796 |
|
---|
[570] | 1797 | ray.mPvsContribution = 0;
|
---|
| 1798 | ray.mRelativePvsContribution = 0.0f;
|
---|
[485] | 1799 |
|
---|
[570] | 1800 | static Ray hray;
|
---|
[564] | 1801 | hray.Init(ray);
|
---|
| 1802 | //hray.mFlags |= Ray::CULL_BACKFACES;
|
---|
| 1803 | //Ray hray(ray);
|
---|
| 1804 |
|
---|
| 1805 | float tmin = 0, tmax = 1.0;
|
---|
| 1806 |
|
---|
| 1807 | if (!GetViewSpaceBox().GetRaySegment(hray, tmin, tmax) || (tmin > tmax))
|
---|
[565] | 1808 | return 0;
|
---|
[564] | 1809 |
|
---|
| 1810 | Vector3 origin = hray.Extrap(tmin);
|
---|
| 1811 | Vector3 termination = hray.Extrap(tmax);
|
---|
| 1812 |
|
---|
[1291] | 1813 | ViewCell::NewMail();
|
---|
| 1814 |
|
---|
[1006] | 1815 | // traverse the view space subdivision
|
---|
[564] | 1816 | CastLineSegment(origin, termination, viewcells);
|
---|
[664] | 1817 |
|
---|
[574] | 1818 | if (storeViewCells)
|
---|
[1155] | 1819 | { // copy viewcells memory efficiently
|
---|
[570] | 1820 | ray.mViewCells.reserve(viewcells.size());
|
---|
| 1821 | ray.mViewCells = viewcells;
|
---|
| 1822 | }
|
---|
[564] | 1823 |
|
---|
[570] | 1824 | ViewCellContainer::const_iterator it = viewcells.begin();
|
---|
[564] | 1825 |
|
---|
[664] | 1826 | for (; it != viewcells.end(); ++ it)
|
---|
| 1827 | {
|
---|
| 1828 | ViewCell *viewcell = *it;
|
---|
[694] | 1829 |
|
---|
[708] | 1830 | if (viewcell->GetValid())
|
---|
[664] | 1831 | {
|
---|
| 1832 | // if ray not outside of view space
|
---|
| 1833 | float contribution;
|
---|
[1291] | 1834 |
|
---|
| 1835 | if (ray.mTerminationObject)
|
---|
| 1836 | {
|
---|
[1454] | 1837 | // cout << "f";
|
---|
[1291] | 1838 | if (viewcell->GetPvs().GetSampleContribution(ray.mTerminationObject,
|
---|
| 1839 | ray.mPdf,
|
---|
| 1840 | contribution))
|
---|
| 1841 | {
|
---|
| 1842 | ++ ray.mPvsContribution;
|
---|
| 1843 | ray.mRelativePvsContribution += contribution;
|
---|
| 1844 | }
|
---|
[664] | 1845 | }
|
---|
[1291] | 1846 |
|
---|
| 1847 | #if SAMPLE_ORIGIN_OBJECTS
|
---|
| 1848 |
|
---|
[840] | 1849 | // for directional sampling it is important to count only contributions
|
---|
[718] | 1850 | // made in one direction!!!
|
---|
| 1851 | // the other contributions of this sample will be counted for the oposite ray!
|
---|
[1291] | 1852 |
|
---|
[666] | 1853 | if (ray.mOriginObject &&
|
---|
| 1854 | viewcell->GetPvs().GetSampleContribution(ray.mOriginObject,
|
---|
| 1855 | ray.mPdf,
|
---|
| 1856 | contribution))
|
---|
| 1857 | {
|
---|
| 1858 | ++ ray.mPvsContribution;
|
---|
| 1859 | ray.mRelativePvsContribution += contribution;
|
---|
| 1860 | }
|
---|
[718] | 1861 | #endif
|
---|
[664] | 1862 | }
|
---|
[569] | 1863 | }
|
---|
[564] | 1864 |
|
---|
[1155] | 1865 | // if addrays is true, sampled entities are stored in the pvs
|
---|
[664] | 1866 | if (addRays)
|
---|
| 1867 | {
|
---|
| 1868 | for (it = viewcells.begin(); it != viewcells.end(); ++ it)
|
---|
| 1869 | {
|
---|
| 1870 | ViewCell *viewcell = *it;
|
---|
| 1871 |
|
---|
[706] | 1872 | if (viewcell->GetValid())
|
---|
[664] | 1873 | {
|
---|
| 1874 | // if ray not outside of view space
|
---|
[718] | 1875 |
|
---|
[1159] | 1876 | // add new object to the pvs
|
---|
[1155] | 1877 | if (ray.mTerminationObject)
|
---|
| 1878 | {
|
---|
[1159] | 1879 | viewcell->GetPvs().AddSample(ray.mTerminationObject, ray.mPdf);
|
---|
| 1880 | }
|
---|
[1166] | 1881 | #if SAMPLE_ORIGIN_OBJECTS
|
---|
[666] | 1882 | if (ray.mOriginObject)
|
---|
[1159] | 1883 | {
|
---|
[666] | 1884 | viewcell->GetPvs().AddSample(ray.mOriginObject, ray.mPdf);
|
---|
[1159] | 1885 | }
|
---|
[718] | 1886 | #endif
|
---|
[664] | 1887 | }
|
---|
| 1888 | }
|
---|
[563] | 1889 | }
|
---|
[570] | 1890 |
|
---|
| 1891 | return ray.mRelativePvsContribution;
|
---|
[468] | 1892 | }
|
---|
| 1893 |
|
---|
| 1894 |
|
---|
[469] | 1895 | void ViewCellsManager::GetRaySets(const VssRayContainer &sourceRays,
|
---|
[485] | 1896 | const int maxSize,
|
---|
[503] | 1897 | VssRayContainer &usedRays,
|
---|
[485] | 1898 | VssRayContainer *savedRays) const
|
---|
[469] | 1899 | {
|
---|
[485] | 1900 | const int limit = min(maxSize, (int)sourceRays.size());
|
---|
[473] | 1901 | const float prop = (float)limit / ((float)sourceRays.size() + Limits::Small);
|
---|
[469] | 1902 |
|
---|
[485] | 1903 | VssRayContainer::const_iterator it, it_end = sourceRays.end();
|
---|
[469] | 1904 | for (it = sourceRays.begin(); it != it_end; ++ it)
|
---|
| 1905 | {
|
---|
[473] | 1906 | if (Random(1.0f) < prop)
|
---|
[485] | 1907 | usedRays.push_back(*it);
|
---|
| 1908 | else if (savedRays)
|
---|
| 1909 | savedRays->push_back(*it);
|
---|
[469] | 1910 | }
|
---|
| 1911 | }
|
---|
| 1912 |
|
---|
[477] | 1913 |
|
---|
[728] | 1914 | float ViewCellsManager::GetRendercost(ViewCell *viewCell) const
|
---|
[605] | 1915 | {
|
---|
[1145] | 1916 | return (float)mViewCellsTree->GetPvsSize(viewCell);
|
---|
[605] | 1917 | }
|
---|
| 1918 |
|
---|
| 1919 |
|
---|
[477] | 1920 | float ViewCellsManager::GetAccVcArea()
|
---|
[470] | 1921 | {
|
---|
| 1922 | // if already computed
|
---|
| 1923 | if (mTotalAreaValid)
|
---|
[728] | 1924 | {
|
---|
[470] | 1925 | return mTotalArea;
|
---|
[728] | 1926 | }
|
---|
[470] | 1927 |
|
---|
| 1928 | mTotalArea = 0;
|
---|
| 1929 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 1930 |
|
---|
| 1931 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
[480] | 1932 | {
|
---|
| 1933 | //Debug << "area: " << GetArea(*it);
|
---|
[470] | 1934 | mTotalArea += GetArea(*it);
|
---|
[480] | 1935 | }
|
---|
| 1936 |
|
---|
[470] | 1937 | mTotalAreaValid = true;
|
---|
| 1938 |
|
---|
| 1939 | return mTotalArea;
|
---|
| 1940 | }
|
---|
| 1941 |
|
---|
[482] | 1942 |
|
---|
[475] | 1943 | void ViewCellsManager::PrintStatistics(ostream &s) const
|
---|
| 1944 | {
|
---|
[660] | 1945 | s << mCurrentViewCellsStats << endl;
|
---|
[475] | 1946 | }
|
---|
| 1947 |
|
---|
[477] | 1948 |
|
---|
[508] | 1949 | void ViewCellsManager::CreateUniqueViewCellIds()
|
---|
[482] | 1950 | {
|
---|
[651] | 1951 | if (ViewCellsTreeConstructed())
|
---|
[1284] | 1952 | {
|
---|
[651] | 1953 | mViewCellsTree->CreateUniqueViewCellsIds();
|
---|
[1284] | 1954 | }
|
---|
| 1955 | else // no view cells tree, handle view cells "myself"
|
---|
| 1956 | {
|
---|
[651] | 1957 | for (int i = 0; i < (int)mViewCells.size(); ++ i)
|
---|
[1284] | 1958 | {
|
---|
[651] | 1959 | mViewCells[i]->SetId(i);
|
---|
[1284] | 1960 | }
|
---|
| 1961 | }
|
---|
[508] | 1962 | }
|
---|
| 1963 |
|
---|
[1416] | 1964 |
|
---|
| 1965 | void ViewCellsManager::ExportViewCellsForViz(Exporter *exporter,
|
---|
| 1966 | const AxisAlignedBox3 *sceneBox,
|
---|
| 1967 | const AxisAlignedPlane *clipPlane
|
---|
| 1968 | ) const
|
---|
[508] | 1969 | {
|
---|
[482] | 1970 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 1971 |
|
---|
| 1972 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 1973 | {
|
---|
[574] | 1974 | if (!mOnlyValidViewCells || (*it)->GetValid())
|
---|
| 1975 | {
|
---|
[801] | 1976 | ExportColor(exporter, *it);
|
---|
[1416] | 1977 | ExportViewCellGeometry(exporter, *it, sceneBox, clipPlane);
|
---|
[574] | 1978 | }
|
---|
[482] | 1979 | }
|
---|
| 1980 | }
|
---|
| 1981 |
|
---|
| 1982 |
|
---|
[517] | 1983 | void ViewCellsManager::CreateViewCellMeshes()
|
---|
[503] | 1984 | {
|
---|
| 1985 | // convert to meshes
|
---|
| 1986 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 1987 |
|
---|
| 1988 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 1989 | {
|
---|
[517] | 1990 | if (!(*it)->GetMesh())
|
---|
[1001] | 1991 | {
|
---|
[517] | 1992 | CreateMesh(*it);
|
---|
[1001] | 1993 | }
|
---|
[503] | 1994 | }
|
---|
| 1995 | }
|
---|
| 1996 |
|
---|
[508] | 1997 |
|
---|
[944] | 1998 | bool ViewCellsManager::ExportViewCells(const string filename,
|
---|
| 1999 | const bool exportPvs,
|
---|
| 2000 | const ObjectContainer &objects)
|
---|
[564] | 2001 | {
|
---|
[508] | 2002 | return false;
|
---|
| 2003 | }
|
---|
| 2004 |
|
---|
| 2005 |
|
---|
[610] | 2006 | void ViewCellsManager::CollectViewCells(const int n)
|
---|
[508] | 2007 | {
|
---|
[610] | 2008 | mNumActiveViewCells = n;
|
---|
| 2009 | mViewCells.clear();
|
---|
| 2010 | CollectViewCells();
|
---|
| 2011 | }
|
---|
[508] | 2012 |
|
---|
| 2013 |
|
---|
[660] | 2014 | void ViewCellsManager::SetViewCellsActive()
|
---|
| 2015 | {
|
---|
[882] | 2016 | // collect leaf view cells and set the pointers to the currently
|
---|
| 2017 | // active view cells
|
---|
[660] | 2018 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
[944] | 2019 |
|
---|
[660] | 2020 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 2021 | {
|
---|
[881] | 2022 | ViewCellContainer leaves;
|
---|
| 2023 | mViewCellsTree->CollectLeaves(*it, leaves);
|
---|
| 2024 |
|
---|
| 2025 | ViewCellContainer::const_iterator lit, lit_end = leaves.end();
|
---|
| 2026 | for (lit = mViewCells.begin(); lit != lit_end; ++ lit)
|
---|
| 2027 | {
|
---|
| 2028 | dynamic_cast<ViewCellLeaf *>(*lit)->SetActiveViewCell(*it);
|
---|
| 2029 | }
|
---|
[660] | 2030 | }
|
---|
| 2031 | }
|
---|
[508] | 2032 |
|
---|
[840] | 2033 |
|
---|
| 2034 | int ViewCellsManager::GetMaxFilterSize() const
|
---|
| 2035 | {
|
---|
| 2036 | return mMaxFilterSize;
|
---|
| 2037 | }
|
---|
| 2038 |
|
---|
[1001] | 2039 |
|
---|
[840] | 2040 | static const bool USE_ASCII = true;
|
---|
| 2041 |
|
---|
[1001] | 2042 |
|
---|
[840] | 2043 | bool ViewCellsManager::ExportBoundingBoxes(const string filename,
|
---|
| 2044 | const ObjectContainer &objects) const
|
---|
| 2045 | {
|
---|
| 2046 | ObjectContainer::const_iterator it, it_end = objects.end();
|
---|
| 2047 |
|
---|
| 2048 | if (USE_ASCII)
|
---|
| 2049 | {
|
---|
| 2050 | ofstream boxesOut(filename.c_str());
|
---|
| 2051 | if (!boxesOut.is_open())
|
---|
| 2052 | return false;
|
---|
| 2053 |
|
---|
| 2054 | for (it = objects.begin(); it != it_end; ++ it)
|
---|
| 2055 | {
|
---|
| 2056 | MeshInstance *mi = dynamic_cast<MeshInstance *>(*it);
|
---|
| 2057 | const AxisAlignedBox3 box = mi->GetBox();
|
---|
| 2058 |
|
---|
| 2059 | boxesOut << mi->GetId() << " "
|
---|
| 2060 | << box.Min().x << " "
|
---|
| 2061 | << box.Min().y << " "
|
---|
| 2062 | << box.Min().z << " "
|
---|
| 2063 | << box.Max().x << " "
|
---|
| 2064 | << box.Max().y << " "
|
---|
| 2065 | << box.Max().z << endl;
|
---|
| 2066 | }
|
---|
| 2067 |
|
---|
| 2068 | boxesOut.close();
|
---|
| 2069 | }
|
---|
| 2070 | else
|
---|
| 2071 | {
|
---|
| 2072 | ofstream boxesOut(filename.c_str(), ios::binary);
|
---|
| 2073 |
|
---|
| 2074 | if (!boxesOut.is_open())
|
---|
| 2075 | return false;
|
---|
| 2076 |
|
---|
| 2077 | for (it = objects.begin(); it != it_end; ++ it)
|
---|
| 2078 | {
|
---|
| 2079 | MeshInstance *mi = dynamic_cast<MeshInstance *>(*it);
|
---|
| 2080 | const AxisAlignedBox3 box = mi->GetBox();
|
---|
| 2081 | Vector3 bmin = box.Min();
|
---|
| 2082 | Vector3 bmax = box.Max();
|
---|
[850] | 2083 | int id = mi->GetId();
|
---|
[840] | 2084 |
|
---|
[850] | 2085 | boxesOut.write(reinterpret_cast<char *>(&id), sizeof(int));
|
---|
[840] | 2086 | boxesOut.write(reinterpret_cast<char *>(&bmin), sizeof(Vector3));
|
---|
| 2087 | boxesOut.write(reinterpret_cast<char *>(&bmax), sizeof(Vector3));
|
---|
| 2088 | }
|
---|
| 2089 |
|
---|
| 2090 | boxesOut.close();
|
---|
| 2091 | }
|
---|
| 2092 |
|
---|
| 2093 | return true;
|
---|
| 2094 | }
|
---|
| 2095 |
|
---|
| 2096 |
|
---|
[850] | 2097 | bool ViewCellsManager::LoadBoundingBoxes(const string filename,
|
---|
| 2098 | IndexedBoundingBoxContainer &boxes) const
|
---|
[840] | 2099 | {
|
---|
[850] | 2100 | Vector3 bmin, bmax;
|
---|
| 2101 | int id;
|
---|
[840] | 2102 |
|
---|
[850] | 2103 | if (USE_ASCII)
|
---|
[840] | 2104 | {
|
---|
[850] | 2105 | ifstream boxesIn(filename.c_str());
|
---|
[840] | 2106 |
|
---|
[850] | 2107 | if (!boxesIn.is_open())
|
---|
[840] | 2108 | {
|
---|
[850] | 2109 | cout << "failed to open file " << filename << endl;
|
---|
| 2110 | return false;
|
---|
[840] | 2111 | }
|
---|
[850] | 2112 |
|
---|
| 2113 | string buf;
|
---|
| 2114 | while (!(getline(boxesIn, buf)).eof())
|
---|
[840] | 2115 | {
|
---|
[850] | 2116 | sscanf(buf.c_str(), "%d %f %f %f %f %f %f",
|
---|
| 2117 | &id, &bmin.x, &bmin.y, &bmin.z,
|
---|
| 2118 | &bmax.x, &bmax.y, &bmax.z);
|
---|
| 2119 |
|
---|
| 2120 | AxisAlignedBox3 box(bmin, bmax);
|
---|
| 2121 | // MeshInstance *mi = new MeshInstance();
|
---|
| 2122 | // HACK: set bounding box to new box
|
---|
| 2123 | //mi->mBox = box;
|
---|
| 2124 |
|
---|
| 2125 | boxes.push_back(IndexedBoundingBox(id, box));
|
---|
[840] | 2126 | }
|
---|
| 2127 |
|
---|
[850] | 2128 | boxesIn.close();
|
---|
[840] | 2129 | }
|
---|
[850] | 2130 | else
|
---|
[840] | 2131 | {
|
---|
[850] | 2132 | ifstream boxesIn(filename.c_str(), ios::binary);
|
---|
[840] | 2133 |
|
---|
[850] | 2134 | if (!boxesIn.is_open())
|
---|
| 2135 | return false;
|
---|
| 2136 |
|
---|
| 2137 | while (1)
|
---|
[840] | 2138 | {
|
---|
[850] | 2139 | boxesIn.read(reinterpret_cast<char *>(&id), sizeof(Vector3));
|
---|
| 2140 | boxesIn.read(reinterpret_cast<char *>(&bmin), sizeof(Vector3));
|
---|
| 2141 | boxesIn.read(reinterpret_cast<char *>(&bmax), sizeof(Vector3));
|
---|
| 2142 |
|
---|
| 2143 | if (boxesIn.eof())
|
---|
| 2144 | break;
|
---|
| 2145 |
|
---|
| 2146 |
|
---|
| 2147 | AxisAlignedBox3 box(bmin, bmax);
|
---|
| 2148 | MeshInstance *mi = new MeshInstance(NULL);
|
---|
| 2149 |
|
---|
| 2150 | // HACK: set bounding box to new box
|
---|
| 2151 | //mi->mBox = box;
|
---|
| 2152 | //boxes.push_back(mi);
|
---|
| 2153 | boxes.push_back(IndexedBoundingBox(id, box));
|
---|
[840] | 2154 | }
|
---|
| 2155 |
|
---|
[850] | 2156 | boxesIn.close();
|
---|
[840] | 2157 | }
|
---|
| 2158 |
|
---|
| 2159 | return true;
|
---|
[850] | 2160 | }
|
---|
[840] | 2161 |
|
---|
[931] | 2162 |
|
---|
| 2163 | float ViewCellsManager::GetFilterWidth()
|
---|
| 2164 | {
|
---|
| 2165 | return mFilterWidth;
|
---|
| 2166 | }
|
---|
| 2167 |
|
---|
| 2168 |
|
---|
| 2169 | float ViewCellsManager::GetAbsFilterWidth()
|
---|
| 2170 | {
|
---|
| 2171 | return Magnitude(mViewSpaceBox.Size()) * mFilterWidth;
|
---|
| 2172 | }
|
---|
| 2173 |
|
---|
| 2174 |
|
---|
[1168] | 2175 | void ViewCellsManager::UpdateScalarPvsSize(ViewCell *vc,
|
---|
| 2176 | const int pvsSize,
|
---|
| 2177 | const int entriesInPvs) const
|
---|
[1002] | 2178 | {
|
---|
| 2179 | vc->mPvsSize = pvsSize;
|
---|
[1160] | 2180 | vc->mEntriesInPvs = entriesInPvs;
|
---|
| 2181 |
|
---|
[1002] | 2182 | vc->mPvsSizeValid = true;
|
---|
| 2183 | }
|
---|
| 2184 |
|
---|
| 2185 |
|
---|
[1021] | 2186 | void
|
---|
| 2187 | ViewCellsManager::ApplyFilter(ViewCell *viewCell,
|
---|
| 2188 | KdTree *kdTree,
|
---|
| 2189 | const float viewSpaceFilterSize,
|
---|
| 2190 | const float spatialFilterSize,
|
---|
| 2191 | ObjectPvs &pvs
|
---|
| 2192 | )
|
---|
| 2193 | {
|
---|
| 2194 | // extend the pvs of the viewcell by pvs of its neighbors
|
---|
| 2195 | // and apply spatial filter by including all neighbors of the objects
|
---|
| 2196 | // in the pvs
|
---|
| 2197 |
|
---|
| 2198 | // get all viewcells intersecting the viewSpaceFilterBox
|
---|
| 2199 | // and compute the pvs union
|
---|
| 2200 |
|
---|
| 2201 | //Vector3 center = viewCell->GetBox().Center();
|
---|
| 2202 | // Vector3 center = m->mBox.Center();
|
---|
| 2203 |
|
---|
| 2204 | // AxisAlignedBox3 box(center - Vector3(viewSpaceFilterSize/2),
|
---|
| 2205 | // center + Vector3(viewSpaceFilterSize/2));
|
---|
| 2206 | if (!ViewCellsConstructed())
|
---|
| 2207 | return;
|
---|
| 2208 |
|
---|
| 2209 | if (viewSpaceFilterSize >= 0.0f) {
|
---|
| 2210 |
|
---|
| 2211 | bool usePrVS = false;
|
---|
| 2212 |
|
---|
| 2213 | if (!usePrVS) {
|
---|
| 2214 | AxisAlignedBox3 box = GetViewCellBox(viewCell);
|
---|
| 2215 | box.Enlarge(Vector3(viewSpaceFilterSize/2));
|
---|
| 2216 |
|
---|
| 2217 | ViewCellContainer viewCells;
|
---|
| 2218 | ComputeBoxIntersections(box, viewCells);
|
---|
| 2219 |
|
---|
| 2220 | // cout<<"box="<<box<<endl;
|
---|
| 2221 | ViewCellContainer::const_iterator it = viewCells.begin(), it_end = viewCells.end();
|
---|
| 2222 |
|
---|
| 2223 | int i;
|
---|
| 2224 | for (i=0; it != it_end; ++ it, ++ i) {
|
---|
| 2225 | //cout<<"v"<<i<<" pvs="<<(*it)->GetPvs().mEntries.size()<<endl;
|
---|
| 2226 | pvs.Merge((*it)->GetPvs());
|
---|
| 2227 | }
|
---|
| 2228 | } else {
|
---|
| 2229 | PrVs prvs;
|
---|
| 2230 | AxisAlignedBox3 box = GetViewCellBox(viewCell);
|
---|
| 2231 |
|
---|
| 2232 | // mViewCellsManager->SetMaxFilterSize(1);
|
---|
| 2233 | GetPrVS(box.Center(), prvs, viewSpaceFilterSize);
|
---|
| 2234 | pvs = prvs.mViewCell->GetPvs();
|
---|
| 2235 | DeleteLocalMergeTree(prvs.mViewCell);
|
---|
| 2236 | }
|
---|
| 2237 | } else
|
---|
| 2238 | pvs = viewCell->GetPvs();
|
---|
| 2239 |
|
---|
| 2240 | if (spatialFilterSize >=0.0f)
|
---|
| 2241 | ApplySpatialFilter(kdTree, spatialFilterSize, pvs);
|
---|
| 2242 |
|
---|
| 2243 | }
|
---|
| 2244 |
|
---|
| 2245 |
|
---|
| 2246 |
|
---|
| 2247 | void
|
---|
| 2248 | ViewCellsManager::ApplyFilter(KdTree *kdTree,
|
---|
| 2249 | const float relViewSpaceFilterSize,
|
---|
| 2250 | const float relSpatialFilterSize
|
---|
| 2251 | )
|
---|
| 2252 | {
|
---|
| 2253 |
|
---|
| 2254 | if (!ViewCellsConstructed())
|
---|
| 2255 | return;
|
---|
| 2256 |
|
---|
| 2257 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 2258 |
|
---|
| 2259 | ObjectPvs *newPvs;
|
---|
| 2260 | newPvs = new ObjectPvs[mViewCells.size()];
|
---|
| 2261 |
|
---|
| 2262 | float viewSpaceFilterSize = Magnitude(mViewSpaceBox.Size())*relViewSpaceFilterSize;
|
---|
| 2263 | float spatialFilterSize = Magnitude(kdTree->GetBox().Size())*relSpatialFilterSize;
|
---|
| 2264 |
|
---|
| 2265 | int i;
|
---|
| 2266 | for (i=0, it = mViewCells.begin(); it != it_end; ++ it, ++ i) {
|
---|
| 2267 | ApplyFilter(*it,
|
---|
| 2268 | kdTree,
|
---|
| 2269 | viewSpaceFilterSize,
|
---|
| 2270 | spatialFilterSize,
|
---|
| 2271 | newPvs[i]
|
---|
| 2272 | );
|
---|
| 2273 | }
|
---|
| 2274 |
|
---|
| 2275 | // now replace all pvss
|
---|
| 2276 | for (i = 0, it = mViewCells.begin(); it != it_end; ++ it, ++ i) {
|
---|
| 2277 |
|
---|
| 2278 | ObjectPvs &pvs = (*it)->GetPvs();
|
---|
| 2279 | pvs.Clear();
|
---|
| 2280 | pvs = newPvs[i];
|
---|
| 2281 | newPvs[i].Clear();
|
---|
| 2282 | }
|
---|
| 2283 |
|
---|
| 2284 | delete [] newPvs;
|
---|
| 2285 | }
|
---|
| 2286 |
|
---|
| 2287 |
|
---|
| 2288 |
|
---|
| 2289 |
|
---|
| 2290 | void
|
---|
| 2291 | ViewCellsManager::ApplySpatialFilter(
|
---|
| 2292 | KdTree *kdTree,
|
---|
| 2293 | const float spatialFilterSize,
|
---|
| 2294 | ObjectPvs &pvs
|
---|
| 2295 | )
|
---|
| 2296 | {
|
---|
| 2297 | // now compute a new Pvs by including also objects intersecting the
|
---|
| 2298 | // extended boxes of visible objects
|
---|
| 2299 |
|
---|
| 2300 | Intersectable::NewMail();
|
---|
| 2301 |
|
---|
[1189] | 2302 | ObjectPvsMap::const_iterator oi;
|
---|
[1021] | 2303 |
|
---|
[1189] | 2304 | for (oi = pvs.mEntries.begin(); oi != pvs.mEntries.end(); ++ oi)
|
---|
| 2305 | {
|
---|
| 2306 | Intersectable *object = (*oi).first;
|
---|
| 2307 | object->Mail();
|
---|
[1021] | 2308 | }
|
---|
| 2309 |
|
---|
| 2310 | ObjectPvs nPvs;
|
---|
[1189] | 2311 | int nPvsSize = 0;
|
---|
[1021] | 2312 | // now go through the pvs again
|
---|
| 2313 | for (oi = pvs.mEntries.begin(); oi != pvs.mEntries.end(); ++oi) {
|
---|
| 2314 | Intersectable *object = (*oi).first;
|
---|
| 2315 |
|
---|
| 2316 | // Vector3 center = object->GetBox().Center();
|
---|
| 2317 | // AxisAlignedBox3 box(center - Vector3(spatialFilterSize/2),
|
---|
| 2318 | // center + Vector3(spatialFilterSize/2));
|
---|
| 2319 |
|
---|
| 2320 | AxisAlignedBox3 box = object->GetBox();
|
---|
| 2321 | box.Enlarge(Vector3(spatialFilterSize/2));
|
---|
| 2322 |
|
---|
| 2323 | ObjectContainer objects;
|
---|
| 2324 |
|
---|
| 2325 | // $$ warning collect objects takes only unmailed ones!
|
---|
| 2326 | kdTree->CollectObjects(box,
|
---|
| 2327 | objects);
|
---|
| 2328 | // cout<<"collected objects="<<objects.size()<<endl;
|
---|
| 2329 | ObjectContainer::const_iterator noi = objects.begin();
|
---|
| 2330 | for (; noi != objects.end(); ++noi) {
|
---|
| 2331 | Intersectable *o = *noi;
|
---|
| 2332 | // $$ JB warning: pdfs are not correct at this point!
|
---|
| 2333 | nPvs.AddSample(o, Limits::Small);
|
---|
| 2334 | nPvsSize++;
|
---|
| 2335 | }
|
---|
| 2336 | }
|
---|
| 2337 | // cout<<"nPvs size = "<<nPvsSize<<endl;
|
---|
| 2338 | pvs.Merge(nPvs);
|
---|
| 2339 | }
|
---|
| 2340 |
|
---|
| 2341 |
|
---|
| 2342 | void ViewCellsManager::ExportColor(Exporter *exporter, ViewCell *vc) const
|
---|
| 2343 | {
|
---|
| 2344 | const bool vcValid = CheckValidity(vc, mMinPvsSize, mMaxPvsSize);
|
---|
| 2345 |
|
---|
| 2346 | float importance = 0;
|
---|
| 2347 | static Material m;
|
---|
| 2348 |
|
---|
| 2349 | switch (mColorCode)
|
---|
| 2350 | {
|
---|
| 2351 | case 0: // Random
|
---|
| 2352 | {
|
---|
| 2353 | if (vcValid)
|
---|
| 2354 | {
|
---|
| 2355 | m.mDiffuseColor.r = 0.5f + RandomValue(0.0f, 0.5f);
|
---|
| 2356 | m.mDiffuseColor.g = 0.5f + RandomValue(0.0f, 0.5f);
|
---|
| 2357 | m.mDiffuseColor.b = 0.5f + RandomValue(0.f, 0.5f);
|
---|
| 2358 | }
|
---|
| 2359 | else
|
---|
| 2360 | {
|
---|
| 2361 | m.mDiffuseColor.r = 0.0f;
|
---|
| 2362 | m.mDiffuseColor.g = 1.0f;
|
---|
| 2363 | m.mDiffuseColor.b = 0.0f;
|
---|
| 2364 | }
|
---|
| 2365 |
|
---|
| 2366 | exporter->SetForcedMaterial(m);
|
---|
| 2367 | return;
|
---|
| 2368 | }
|
---|
| 2369 |
|
---|
| 2370 | case 1: // pvs
|
---|
| 2371 | {
|
---|
| 2372 | if (mCurrentViewCellsStats.maxPvs)
|
---|
[1121] | 2373 | {
|
---|
| 2374 | importance =
|
---|
[1142] | 2375 | (float)mViewCellsTree->GetPvsSize(vc) /
|
---|
[1121] | 2376 | (float)mCurrentViewCellsStats.maxPvs;
|
---|
| 2377 | }
|
---|
[1021] | 2378 | }
|
---|
| 2379 | break;
|
---|
| 2380 | case 2: // merges
|
---|
| 2381 | {
|
---|
| 2382 | const int lSize = mViewCellsTree->GetNumInitialViewCells(vc);
|
---|
| 2383 | importance = (float)lSize / (float)mCurrentViewCellsStats.maxLeaves;
|
---|
| 2384 | }
|
---|
| 2385 | break;
|
---|
| 2386 | #if 0
|
---|
| 2387 | case 3: // merge tree differene
|
---|
| 2388 | {
|
---|
| 2389 | importance = (float)GetMaxTreeDiff(vc) /
|
---|
| 2390 | (float)(mVspBspTree->GetStatistics().maxDepth * 2);
|
---|
| 2391 |
|
---|
| 2392 | }
|
---|
| 2393 | break;
|
---|
| 2394 | #endif
|
---|
| 2395 | default:
|
---|
| 2396 | break;
|
---|
| 2397 | }
|
---|
| 2398 |
|
---|
| 2399 | // special color code for invalid view cells
|
---|
| 2400 | m.mDiffuseColor.r = importance;
|
---|
| 2401 | m.mDiffuseColor.g = 1.0f - m.mDiffuseColor.r;
|
---|
| 2402 | m.mDiffuseColor.b = vcValid ? 1.0f : 0.0f;
|
---|
| 2403 |
|
---|
| 2404 | //Debug << "importance: " << importance << endl;
|
---|
| 2405 | exporter->SetForcedMaterial(m);
|
---|
| 2406 | }
|
---|
| 2407 |
|
---|
| 2408 |
|
---|
[1022] | 2409 | void ViewCellsManager::CollectMergeCandidates(const VssRayContainer &rays,
|
---|
| 2410 | vector<MergeCandidate> &candidates)
|
---|
| 2411 | {
|
---|
| 2412 | // implemented in subclasses
|
---|
| 2413 | }
|
---|
| 2414 |
|
---|
[1047] | 2415 |
|
---|
[1168] | 2416 | void ViewCellsManager::UpdatePvsForEvaluation(ViewCell *root, ObjectPvs &pvs)
|
---|
| 2417 | {
|
---|
| 2418 | // terminate traversal
|
---|
| 2419 | if (root->IsLeaf())
|
---|
| 2420 | {
|
---|
| 2421 | // we assume that pvs is explicitly stored in leaves
|
---|
| 2422 | pvs = root->GetPvs();
|
---|
| 2423 | UpdateScalarPvsSize(root, pvs.CountObjectsInPvs(), pvs.GetSize());
|
---|
| 2424 |
|
---|
| 2425 | return;
|
---|
| 2426 | }
|
---|
| 2427 |
|
---|
| 2428 | //-- interior node => propagate pvs up
|
---|
| 2429 | ViewCellInterior *interior = dynamic_cast<ViewCellInterior *>(root);
|
---|
| 2430 | interior->GetPvs().Clear();
|
---|
| 2431 | pvs.Clear();
|
---|
| 2432 | vector<ObjectPvs> pvsList;
|
---|
| 2433 |
|
---|
| 2434 | ViewCellContainer::const_iterator vit, vit_end = interior->mChildren.end();
|
---|
| 2435 |
|
---|
| 2436 | for (vit = interior->mChildren.begin(); vit != vit_end; ++ vit)
|
---|
| 2437 | {
|
---|
| 2438 | ObjectPvs objPvs;
|
---|
| 2439 |
|
---|
| 2440 | //-- recursivly compute child pvss
|
---|
| 2441 | UpdatePvsForEvaluation(*vit, objPvs);
|
---|
| 2442 |
|
---|
| 2443 | // store pvs in vector
|
---|
| 2444 | pvsList.push_back(objPvs);
|
---|
| 2445 | }
|
---|
| 2446 |
|
---|
| 2447 | #if 1
|
---|
| 2448 | Intersectable::NewMail();
|
---|
| 2449 |
|
---|
| 2450 | //-- faster way of computing pvs:
|
---|
| 2451 | // construct merged pvs by adding
|
---|
| 2452 | // and only those of the next pvs which were not mailed.
|
---|
| 2453 | // note: sumpdf is not correct!!
|
---|
| 2454 | vector<ObjectPvs>::iterator oit = pvsList.begin();
|
---|
| 2455 |
|
---|
| 2456 | for (vit = interior->mChildren.begin(); vit != vit_end; ++ vit, ++ oit)
|
---|
| 2457 | {
|
---|
| 2458 | ObjectPvsMap::iterator pit, pit_end = (*oit).mEntries.end();
|
---|
| 2459 |
|
---|
| 2460 | for (pit = (*oit).mEntries.begin(); pit != pit_end; ++ pit)
|
---|
| 2461 | {
|
---|
| 2462 | Intersectable *intersect = (*pit).first;
|
---|
| 2463 |
|
---|
| 2464 | if (!intersect->Mailed())
|
---|
| 2465 | {
|
---|
| 2466 | pvs.AddSample(intersect, (*pit).second.mSumPdf);
|
---|
| 2467 | intersect->Mail();
|
---|
| 2468 | }
|
---|
| 2469 | }
|
---|
| 2470 | }
|
---|
| 2471 |
|
---|
| 2472 | // store pvs in this node
|
---|
| 2473 | if (mViewCellsTree->ViewCellsStorage() == ViewCellsTree::PVS_IN_INTERIORS)
|
---|
| 2474 | {
|
---|
| 2475 | interior->SetPvs(pvs);
|
---|
| 2476 | }
|
---|
| 2477 |
|
---|
| 2478 | // set new pvs size
|
---|
| 2479 | UpdateScalarPvsSize(interior, pvs.CountObjectsInPvs(), pvs.GetSize());
|
---|
| 2480 |
|
---|
| 2481 |
|
---|
[1178] | 2482 | #else // really merge cells: slow put sumPdf is correct
|
---|
[1168] | 2483 | viewCellInterior->GetPvs().Merge(backVc->GetPvs());
|
---|
| 2484 | viewCellInterior->GetPvs().Merge(frontVc->GetPvs());
|
---|
| 2485 | #endif
|
---|
| 2486 | }
|
---|
| 2487 |
|
---|
[1174] | 2488 |
|
---|
| 2489 |
|
---|
[1145] | 2490 | /*******************************************************************/
|
---|
| 2491 | /* BspViewCellsManager implementation */
|
---|
| 2492 | /*******************************************************************/
|
---|
[440] | 2493 |
|
---|
[482] | 2494 |
|
---|
[1264] | 2495 | BspViewCellsManager::BspViewCellsManager(ViewCellsTree *vcTree, BspTree *bspTree):
|
---|
| 2496 | ViewCellsManager(vcTree), mBspTree(bspTree)
|
---|
[440] | 2497 | {
|
---|
[1004] | 2498 | Environment::GetSingleton()->GetIntValue("BspTree.Construction.samples", mInitialSamples);
|
---|
[587] | 2499 | mBspTree->SetViewCellsManager(this);
|
---|
[590] | 2500 | mBspTree->mViewCellsTree = mViewCellsTree;
|
---|
[440] | 2501 | }
|
---|
| 2502 |
|
---|
[462] | 2503 |
|
---|
[440] | 2504 | bool BspViewCellsManager::ViewCellsConstructed() const
|
---|
| 2505 | {
|
---|
| 2506 | return mBspTree->GetRoot() != NULL;
|
---|
| 2507 | }
|
---|
| 2508 |
|
---|
[480] | 2509 |
|
---|
[440] | 2510 | ViewCell *BspViewCellsManager::GenerateViewCell(Mesh *mesh) const
|
---|
| 2511 | {
|
---|
| 2512 | return new BspViewCell(mesh);
|
---|
| 2513 | }
|
---|
| 2514 |
|
---|
[480] | 2515 |
|
---|
[574] | 2516 | int BspViewCellsManager::ConstructSubdivision(const ObjectContainer &objects,
|
---|
| 2517 | const VssRayContainer &rays)
|
---|
[440] | 2518 | {
|
---|
[441] | 2519 | // if view cells were already constructed
|
---|
[440] | 2520 | if (ViewCellsConstructed())
|
---|
| 2521 | return 0;
|
---|
| 2522 |
|
---|
| 2523 | int sampleContributions = 0;
|
---|
[503] | 2524 |
|
---|
[469] | 2525 | // construct view cells using the collected samples
|
---|
| 2526 | RayContainer constructionRays;
|
---|
| 2527 | VssRayContainer savedRays;
|
---|
[440] | 2528 |
|
---|
[574] | 2529 | const int limit = min(mInitialSamples, (int)rays.size());
|
---|
[440] | 2530 |
|
---|
[469] | 2531 | VssRayContainer::const_iterator it, it_end = rays.end();
|
---|
[448] | 2532 |
|
---|
[473] | 2533 | const float prop = (float)limit / ((float)rays.size() + Limits::Small);
|
---|
| 2534 |
|
---|
[469] | 2535 | for (it = rays.begin(); it != it_end; ++ it)
|
---|
| 2536 | {
|
---|
[473] | 2537 | if (Random(1.0f) < prop)
|
---|
[469] | 2538 | constructionRays.push_back(new Ray(*(*it)));
|
---|
| 2539 | else
|
---|
| 2540 | savedRays.push_back(*it);
|
---|
| 2541 | }
|
---|
[440] | 2542 |
|
---|
[503] | 2543 | if (mViewCells.empty())
|
---|
| 2544 | {
|
---|
| 2545 | // no view cells loaded
|
---|
[587] | 2546 | mBspTree->Construct(objects, constructionRays, &mViewSpaceBox);
|
---|
[469] | 2547 | // collect final view cells
|
---|
| 2548 | mBspTree->CollectViewCells(mViewCells);
|
---|
[503] | 2549 | }
|
---|
[469] | 2550 | else
|
---|
| 2551 | {
|
---|
| 2552 | mBspTree->Construct(mViewCells);
|
---|
| 2553 | }
|
---|
| 2554 |
|
---|
| 2555 | // destroy rays created only for construction
|
---|
| 2556 | CLEAR_CONTAINER(constructionRays);
|
---|
| 2557 |
|
---|
[440] | 2558 | Debug << mBspTree->GetStatistics() << endl;
|
---|
[660] | 2559 | Debug << "\nView cells after construction:\n" << mCurrentViewCellsStats << endl;
|
---|
[480] | 2560 |
|
---|
[469] | 2561 | // recast rest of the rays
|
---|
[649] | 2562 | if (SAMPLE_AFTER_SUBDIVISION)
|
---|
| 2563 | ComputeSampleContributions(savedRays, true, false);
|
---|
[469] | 2564 |
|
---|
[719] | 2565 | // real meshes are contructed at this stage
|
---|
| 2566 | if (0)
|
---|
| 2567 | {
|
---|
| 2568 | cout << "finalizing view cells ... ";
|
---|
| 2569 | FinalizeViewCells(true);
|
---|
| 2570 | cout << "finished" << endl;
|
---|
| 2571 | }
|
---|
| 2572 |
|
---|
[440] | 2573 | return sampleContributions;
|
---|
| 2574 | }
|
---|
| 2575 |
|
---|
[503] | 2576 |
|
---|
[480] | 2577 | void BspViewCellsManager::CollectViewCells()
|
---|
| 2578 | {
|
---|
[587] | 2579 | // view cells tree constructed
|
---|
| 2580 | if (!ViewCellsTreeConstructed())
|
---|
[591] | 2581 | {
|
---|
[587] | 2582 | mBspTree->CollectViewCells(mViewCells);
|
---|
| 2583 | }
|
---|
| 2584 | else
|
---|
| 2585 | {
|
---|
| 2586 | // we can use the view cells tree hierarchy to get the right set
|
---|
[591] | 2587 | mViewCellsTree->CollectBestViewCellSet(mViewCells,
|
---|
[600] | 2588 | mNumActiveViewCells);
|
---|
[587] | 2589 | }
|
---|
[480] | 2590 | }
|
---|
[468] | 2591 |
|
---|
[503] | 2592 |
|
---|
[471] | 2593 | float BspViewCellsManager::GetProbability(ViewCell *viewCell)
|
---|
[440] | 2594 | {
|
---|
[471] | 2595 | // compute view cell area as subsititute for probability
|
---|
[591] | 2596 | if (1)
|
---|
| 2597 | return GetVolume(viewCell) / GetViewSpaceBox().GetVolume();
|
---|
| 2598 | else
|
---|
| 2599 | return GetArea(viewCell) / GetAccVcArea();
|
---|
[466] | 2600 | }
|
---|
[440] | 2601 |
|
---|
[503] | 2602 |
|
---|
[440] | 2603 |
|
---|
[468] | 2604 | int BspViewCellsManager::CastLineSegment(const Vector3 &origin,
|
---|
| 2605 | const Vector3 &termination,
|
---|
| 2606 | ViewCellContainer &viewcells)
|
---|
[440] | 2607 | {
|
---|
[468] | 2608 | return mBspTree->CastLineSegment(origin, termination, viewcells);
|
---|
| 2609 | }
|
---|
| 2610 |
|
---|
| 2611 |
|
---|
[503] | 2612 | int BspViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
[468] | 2613 | const VssRayContainer &rays)
|
---|
| 2614 | {
|
---|
[469] | 2615 | if (!ViewCellsConstructed())
|
---|
[441] | 2616 | {
|
---|
| 2617 | Debug << "view cells not constructed" << endl;
|
---|
| 2618 | return 0;
|
---|
| 2619 | }
|
---|
[590] | 2620 |
|
---|
[1414] | 2621 | // view cells already finished before post processing step,
|
---|
| 2622 | // i.e., because they were loaded from disc
|
---|
[590] | 2623 | if (mViewCellsFinished)
|
---|
| 2624 | {
|
---|
| 2625 | FinalizeViewCells(true);
|
---|
| 2626 | EvaluateViewCellsStats();
|
---|
| 2627 |
|
---|
| 2628 | return 0;
|
---|
| 2629 | }
|
---|
| 2630 |
|
---|
[440] | 2631 | int vcSize = 0;
|
---|
| 2632 | int pvsSize = 0;
|
---|
[1444] | 2633 |
|
---|
[440] | 2634 |
|
---|
[1444] | 2635 | //////////////////
|
---|
[1414] | 2636 | //-- merge leaves of the view cell hierarchy
|
---|
| 2637 |
|
---|
[649] | 2638 | cout << "starting post processing using " << mPostProcessSamples << " samples ... ";
|
---|
| 2639 | long startTime = GetTime();
|
---|
| 2640 |
|
---|
| 2641 | VssRayContainer postProcessRays;
|
---|
| 2642 | GetRaySets(rays, mPostProcessSamples, postProcessRays);
|
---|
| 2643 |
|
---|
[592] | 2644 | if (mMergeViewCells)
|
---|
[591] | 2645 | {
|
---|
[660] | 2646 | cout << "constructing visibility based merge tree" << endl;
|
---|
[650] | 2647 | mViewCellsTree->ConstructMergeTree(rays, objects);
|
---|
[649] | 2648 | }
|
---|
| 2649 | else
|
---|
| 2650 | {
|
---|
[660] | 2651 | cout << "constructing spatial merge tree" << endl;
|
---|
[752] | 2652 |
|
---|
[649] | 2653 | // create spatial merge hierarchy
|
---|
[752] | 2654 | ViewCell *root = ConstructSpatialMergeTree(mBspTree->GetRoot());
|
---|
| 2655 | mViewCellsTree->SetRoot(root);
|
---|
| 2656 |
|
---|
[1415] | 2657 | // recompute pvs in the whole hierarchy
|
---|
[752] | 2658 | ObjectPvs pvs;
|
---|
| 2659 | UpdatePvsForEvaluation(root, pvs);
|
---|
[649] | 2660 | }
|
---|
[440] | 2661 |
|
---|
[1415] | 2662 | cout << "finished" << endl;
|
---|
| 2663 | cout << "merged view cells in "
|
---|
| 2664 | << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
| 2665 |
|
---|
| 2666 | Debug << "Postprocessing: Merged view cells in "
|
---|
| 2667 | << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl << endl;
|
---|
| 2668 |
|
---|
| 2669 |
|
---|
[1418] | 2670 | ////////////////////////
|
---|
[1444] | 2671 | //-- visualization and statistics after merge
|
---|
[1415] | 2672 |
|
---|
[666] | 2673 | if (1)
|
---|
| 2674 | {
|
---|
| 2675 | char mstats[100];
|
---|
[1004] | 2676 | Environment::GetSingleton()->GetStringValue("ViewCells.mergeStats", mstats);
|
---|
[666] | 2677 | mViewCellsTree->ExportStats(mstats);
|
---|
| 2678 | }
|
---|
[650] | 2679 |
|
---|
[1415] | 2680 | ResetViewCells(); // reset view cells
|
---|
[660] | 2681 | Debug << "\nView cells after merge:\n" << mCurrentViewCellsStats << endl;
|
---|
[600] | 2682 |
|
---|
[1121] | 2683 | // save color code
|
---|
| 2684 | const int savedColorCode = mColorCode;
|
---|
[605] | 2685 |
|
---|
[600] | 2686 | if (1) // export merged view cells
|
---|
| 2687 | {
|
---|
[1444] | 2688 | mColorCode = 0; // use random colors
|
---|
[744] | 2689 | Exporter *exporter = Exporter::GetExporter("merged_view_cells.wrl");
|
---|
[605] | 2690 |
|
---|
[600] | 2691 | cout << "exporting view cells after merge ... ";
|
---|
| 2692 |
|
---|
| 2693 | if (exporter)
|
---|
| 2694 | {
|
---|
| 2695 | if (mExportGeometry)
|
---|
[1416] | 2696 | {
|
---|
[600] | 2697 | exporter->ExportGeometry(objects);
|
---|
[1416] | 2698 | }
|
---|
[600] | 2699 |
|
---|
| 2700 | exporter->SetFilled();
|
---|
[1416] | 2701 | ExportViewCellsForViz(exporter, NULL, GetClipPlane());
|
---|
[600] | 2702 |
|
---|
| 2703 | delete exporter;
|
---|
| 2704 | }
|
---|
| 2705 | cout << "finished" << endl;
|
---|
| 2706 | }
|
---|
| 2707 |
|
---|
[1416] | 2708 | if (1)
|
---|
[600] | 2709 | {
|
---|
[1416] | 2710 | // export merged view cells using pvs color coding
|
---|
[600] | 2711 | mColorCode = 1;
|
---|
| 2712 |
|
---|
[744] | 2713 | Exporter *exporter = Exporter::GetExporter("merged_view_cells_pvs.wrl");
|
---|
[600] | 2714 | cout << "exporting view cells after merge (pvs size) ... ";
|
---|
| 2715 |
|
---|
| 2716 | if (exporter)
|
---|
| 2717 | {
|
---|
| 2718 | if (mExportGeometry)
|
---|
[1416] | 2719 | {
|
---|
[600] | 2720 | exporter->ExportGeometry(objects);
|
---|
[1416] | 2721 | }
|
---|
| 2722 |
|
---|
[600] | 2723 | exporter->SetFilled();
|
---|
[1416] | 2724 | ExportViewCellsForViz(exporter, NULL, GetClipPlane());
|
---|
[600] | 2725 |
|
---|
| 2726 | delete exporter;
|
---|
| 2727 | }
|
---|
| 2728 | cout << "finished" << endl;
|
---|
| 2729 | }
|
---|
[693] | 2730 |
|
---|
[1122] | 2731 | // only for debugging purpose: test if the subdivision is valid
|
---|
| 2732 | if (0) TestSubdivision();
|
---|
[693] | 2733 |
|
---|
[600] | 2734 | mColorCode = savedColorCode;
|
---|
| 2735 |
|
---|
[719] | 2736 | // compute final meshes and volume / area
|
---|
| 2737 | if (1) FinalizeViewCells(true);
|
---|
| 2738 |
|
---|
[1418] | 2739 | // write view cells to disc (this moved to preprocessor)
|
---|
| 2740 | if (0 && mExportViewCells)
|
---|
[587] | 2741 | {
|
---|
[840] | 2742 | char filename[100];
|
---|
[1004] | 2743 | Environment::GetSingleton()->GetStringValue("ViewCells.filename", filename);
|
---|
[931] | 2744 | ExportViewCells(filename, mExportPvs, objects);
|
---|
[587] | 2745 | }
|
---|
[840] | 2746 |
|
---|
[650] | 2747 | return 0;
|
---|
[440] | 2748 | }
|
---|
| 2749 |
|
---|
[477] | 2750 |
|
---|
| 2751 | BspViewCellsManager::~BspViewCellsManager()
|
---|
| 2752 | {
|
---|
| 2753 | }
|
---|
| 2754 |
|
---|
| 2755 |
|
---|
[440] | 2756 | int BspViewCellsManager::GetType() const
|
---|
| 2757 | {
|
---|
| 2758 | return BSP;
|
---|
| 2759 | }
|
---|
| 2760 |
|
---|
| 2761 |
|
---|
| 2762 | void BspViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
[466] | 2763 | const VssRayContainer &sampleRays)
|
---|
[440] | 2764 | {
|
---|
[469] | 2765 | if (!ViewCellsConstructed())
|
---|
| 2766 | return;
|
---|
[574] | 2767 |
|
---|
[600] | 2768 | int savedColorCode = mColorCode;
|
---|
| 2769 |
|
---|
| 2770 |
|
---|
| 2771 | if (1) // export final view cells
|
---|
[440] | 2772 | {
|
---|
[1020] | 2773 | mColorCode = 1; // hack color code
|
---|
[1415] | 2774 | Exporter *exporter = Exporter::GetExporter("final_view_cells.wrl");
|
---|
[600] | 2775 |
|
---|
| 2776 | cout << "exporting view cells after merge (pvs size) ... ";
|
---|
[587] | 2777 |
|
---|
[469] | 2778 | if (exporter)
|
---|
[440] | 2779 | {
|
---|
[600] | 2780 | if (mExportGeometry)
|
---|
[1416] | 2781 | {
|
---|
[600] | 2782 | exporter->ExportGeometry(objects);
|
---|
[1416] | 2783 | }
|
---|
[590] | 2784 |
|
---|
[1416] | 2785 | ExportViewCellsForViz(exporter, NULL, GetClipPlane());
|
---|
[469] | 2786 | delete exporter;
|
---|
[440] | 2787 | }
|
---|
[469] | 2788 | cout << "finished" << endl;
|
---|
[503] | 2789 | }
|
---|
[477] | 2790 |
|
---|
[600] | 2791 | mColorCode = savedColorCode;
|
---|
| 2792 |
|
---|
[1416] | 2793 |
|
---|
| 2794 | //////////////////
|
---|
[469] | 2795 | //-- visualization of the BSP splits
|
---|
[1416] | 2796 |
|
---|
[469] | 2797 | bool exportSplits = false;
|
---|
[1004] | 2798 | Environment::GetSingleton()->GetBoolValue("BspTree.Visualization.exportSplits", exportSplits);
|
---|
[503] | 2799 |
|
---|
[469] | 2800 | if (exportSplits)
|
---|
[440] | 2801 | {
|
---|
[469] | 2802 | cout << "exporting splits ... ";
|
---|
[477] | 2803 | ExportSplits(objects);
|
---|
[469] | 2804 | cout << "finished" << endl;
|
---|
[440] | 2805 | }
|
---|
[477] | 2806 |
|
---|
[600] | 2807 | // export single view cells
|
---|
[477] | 2808 | ExportBspPvs(objects);
|
---|
[440] | 2809 | }
|
---|
| 2810 |
|
---|
| 2811 |
|
---|
[477] | 2812 | void BspViewCellsManager::ExportSplits(const ObjectContainer &objects)
|
---|
[440] | 2813 | {
|
---|
| 2814 | Exporter *exporter = Exporter::GetExporter("bsp_splits.x3d");
|
---|
| 2815 |
|
---|
[503] | 2816 | if (exporter)
|
---|
| 2817 | {
|
---|
[598] | 2818 | //exporter->SetFilled();
|
---|
| 2819 |
|
---|
| 2820 | if (mExportGeometry)
|
---|
| 2821 | exporter->ExportGeometry(objects);
|
---|
| 2822 |
|
---|
[503] | 2823 | Material m;
|
---|
[440] | 2824 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 2825 | exporter->SetForcedMaterial(m);
|
---|
| 2826 | exporter->SetWireframe();
|
---|
[503] | 2827 |
|
---|
[440] | 2828 | exporter->ExportBspSplits(*mBspTree, true);
|
---|
| 2829 |
|
---|
[482] | 2830 | //NOTE: take forced material, else big scenes cannot be viewed
|
---|
[440] | 2831 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 2832 | exporter->SetForcedMaterial(m);
|
---|
[482] | 2833 | //exporter->ResetForcedMaterial();
|
---|
| 2834 |
|
---|
[440] | 2835 | delete exporter;
|
---|
| 2836 | }
|
---|
| 2837 | }
|
---|
| 2838 |
|
---|
[477] | 2839 |
|
---|
| 2840 | void BspViewCellsManager::ExportBspPvs(const ObjectContainer &objects)
|
---|
[440] | 2841 | {
|
---|
[477] | 2842 | const int leafOut = 10;
|
---|
[503] | 2843 |
|
---|
[477] | 2844 | ViewCell::NewMail();
|
---|
[440] | 2845 |
|
---|
[477] | 2846 | //-- some rays for output
|
---|
| 2847 | const int raysOut = min((int)mBspRays.size(), mVisualizationSamples);
|
---|
[503] | 2848 |
|
---|
[477] | 2849 | cout << "visualization using " << mVisualizationSamples << " samples" << endl;
|
---|
| 2850 | Debug << "\nOutput view cells: " << endl;
|
---|
[503] | 2851 |
|
---|
[997] | 2852 | // sort view cells in order to find the largest view cells
|
---|
[1418] | 2853 | if (0) stable_sort(mViewCells.begin(), mViewCells.end(), ViewCell::SmallerPvs);
|
---|
[587] | 2854 |
|
---|
[503] | 2855 | int limit = min(leafOut, (int)mViewCells.size());
|
---|
| 2856 |
|
---|
[478] | 2857 | for (int i = 0; i < limit; ++ i)
|
---|
[477] | 2858 | {
|
---|
[478] | 2859 | cout << "creating output for view cell " << i << " ... ";
|
---|
| 2860 | VssRayContainer vcRays;
|
---|
| 2861 | Intersectable::NewMail();
|
---|
[582] | 2862 | ViewCell *vc;
|
---|
| 2863 |
|
---|
| 2864 | if (0)
|
---|
| 2865 | vc = mViewCells[i];
|
---|
| 2866 | else
|
---|
| 2867 | vc = mViewCells[Random((int)mViewCells.size())];
|
---|
| 2868 |
|
---|
[478] | 2869 | cout << "creating output for view cell " << i << " ... ";
|
---|
[469] | 2870 |
|
---|
[587] | 2871 | if(0)
|
---|
[477] | 2872 | {
|
---|
[587] | 2873 | // check whether we can add the current ray to the output rays
|
---|
| 2874 | for (int k = 0; k < raysOut; ++ k)
|
---|
[477] | 2875 | {
|
---|
[587] | 2876 | BspRay *ray = mBspRays[k];
|
---|
| 2877 | for (int j = 0; j < (int)ray->intersections.size(); ++ j)
|
---|
| 2878 | {
|
---|
| 2879 | BspLeaf *leaf = ray->intersections[j].mLeaf;
|
---|
| 2880 | if (vc == leaf->GetViewCell())
|
---|
| 2881 | vcRays.push_back(ray->vssRay);
|
---|
| 2882 | }
|
---|
[477] | 2883 | }
|
---|
| 2884 | }
|
---|
[587] | 2885 |
|
---|
[478] | 2886 | //bspLeaves[j]->Mail();
|
---|
| 2887 | char s[64]; sprintf(s, "bsp-pvs%04d.x3d", i);
|
---|
[477] | 2888 |
|
---|
[478] | 2889 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
[503] | 2890 |
|
---|
[478] | 2891 | exporter->SetWireframe();
|
---|
[477] | 2892 |
|
---|
[478] | 2893 | Material m;//= RandomMaterial();
|
---|
| 2894 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 2895 | exporter->SetForcedMaterial(m);
|
---|
[477] | 2896 |
|
---|
[1416] | 2897 | ExportViewCellGeometry(exporter, vc, NULL, NULL);
|
---|
[587] | 2898 |
|
---|
[478] | 2899 | // export rays piercing this view cell
|
---|
| 2900 | exporter->ExportRays(vcRays, RgbColor(0, 1, 0));
|
---|
[580] | 2901 |
|
---|
[478] | 2902 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 2903 | exporter->SetForcedMaterial(m);
|
---|
[440] | 2904 |
|
---|
[478] | 2905 | ObjectPvsMap::const_iterator it,
|
---|
| 2906 | it_end = vc->GetPvs().mEntries.end();
|
---|
[440] | 2907 |
|
---|
[478] | 2908 | exporter->SetFilled();
|
---|
[469] | 2909 |
|
---|
[478] | 2910 | // output PVS of view cell
|
---|
[503] | 2911 | for (it = vc->GetPvs().mEntries.begin(); it != it_end; ++ it)
|
---|
[478] | 2912 | {
|
---|
| 2913 | Intersectable *intersect = (*it).first;
|
---|
[469] | 2914 |
|
---|
[478] | 2915 | if (!intersect->Mailed())
|
---|
| 2916 | {
|
---|
| 2917 | Material m = RandomMaterial();
|
---|
| 2918 | exporter->SetForcedMaterial(m);
|
---|
| 2919 |
|
---|
| 2920 | exporter->ExportIntersectable(intersect);
|
---|
| 2921 | intersect->Mail();
|
---|
[503] | 2922 | }
|
---|
[477] | 2923 | }
|
---|
[503] | 2924 |
|
---|
[478] | 2925 | DEL_PTR(exporter);
|
---|
| 2926 | cout << "finished" << endl;
|
---|
[477] | 2927 | }
|
---|
| 2928 |
|
---|
| 2929 | Debug << endl;
|
---|
[440] | 2930 | }
|
---|
| 2931 |
|
---|
[441] | 2932 |
|
---|
[693] | 2933 | void BspViewCellsManager::TestSubdivision()
|
---|
| 2934 | {
|
---|
| 2935 | ViewCellContainer leaves;
|
---|
| 2936 | mViewCellsTree->CollectLeaves(mViewCellsTree->GetRoot(), leaves);
|
---|
| 2937 |
|
---|
| 2938 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 2939 |
|
---|
| 2940 | const float vol = mViewSpaceBox.GetVolume();
|
---|
| 2941 | float subdivVol = 0;
|
---|
| 2942 | float newVol = 0;
|
---|
| 2943 |
|
---|
| 2944 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 2945 | {
|
---|
| 2946 | BspNodeGeometry geom;
|
---|
| 2947 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(*it)->mLeaf;
|
---|
| 2948 | mBspTree->ConstructGeometry(leaf, geom);
|
---|
| 2949 |
|
---|
| 2950 | const float lVol = geom.GetVolume();
|
---|
| 2951 |
|
---|
| 2952 | newVol += lVol;
|
---|
| 2953 | subdivVol += (*it)->GetVolume();
|
---|
[694] | 2954 |
|
---|
[704] | 2955 | float thres = 0.9f;
|
---|
[694] | 2956 | if ((lVol < ((*it)->GetVolume() * thres)) ||
|
---|
| 2957 | (lVol * thres > ((*it)->GetVolume())))
|
---|
| 2958 | Debug << "warning: " << lVol << " " << (*it)->GetVolume() << endl;
|
---|
[693] | 2959 | }
|
---|
| 2960 |
|
---|
| 2961 | Debug << "exact volume: " << vol << endl;
|
---|
| 2962 | Debug << "subdivision volume: " << subdivVol << endl;
|
---|
| 2963 | Debug << "new volume: " << newVol << endl;
|
---|
| 2964 | }
|
---|
| 2965 |
|
---|
| 2966 |
|
---|
[580] | 2967 | void BspViewCellsManager::ExportViewCellGeometry(Exporter *exporter,
|
---|
[591] | 2968 | ViewCell *vc,
|
---|
[1416] | 2969 | const AxisAlignedBox3 *sceneBox,
|
---|
| 2970 | const AxisAlignedPlane *clipPlane
|
---|
| 2971 | ) const
|
---|
[482] | 2972 | {
|
---|
[1027] | 2973 | // export mesh if available
|
---|
[482] | 2974 | if (vc->GetMesh())
|
---|
| 2975 | {
|
---|
[587] | 2976 | exporter->ExportMesh(vc->GetMesh());
|
---|
| 2977 | return;
|
---|
[482] | 2978 | }
|
---|
[1027] | 2979 | // otherwise construct from leaves
|
---|
[660] | 2980 | if (clipPlane)
|
---|
[591] | 2981 | {
|
---|
[1047] | 2982 | const Plane3 plane = clipPlane->GetPlane();
|
---|
| 2983 |
|
---|
[726] | 2984 | ViewCellContainer leaves;
|
---|
| 2985 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 2986 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
[591] | 2987 |
|
---|
[726] | 2988 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
[681] | 2989 | {
|
---|
[726] | 2990 | BspNodeGeometry geom;
|
---|
| 2991 |
|
---|
[681] | 2992 | BspNodeGeometry front;
|
---|
| 2993 | BspNodeGeometry back;
|
---|
[591] | 2994 |
|
---|
[726] | 2995 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(*it)->mLeaf;
|
---|
| 2996 | mBspTree->ConstructGeometry(leaf, geom);
|
---|
[681] | 2997 |
|
---|
[726] | 2998 | const float eps = 0.00000001f;
|
---|
[1047] | 2999 | const int cf = geom.Side(plane, eps);
|
---|
[726] | 3000 |
|
---|
| 3001 | if (cf == -1)
|
---|
| 3002 | {
|
---|
| 3003 | exporter->ExportPolygons(geom.GetPolys());
|
---|
| 3004 | }
|
---|
| 3005 | else if (cf == 0)
|
---|
| 3006 | {
|
---|
| 3007 | geom.SplitGeometry(front,
|
---|
| 3008 | back,
|
---|
[1047] | 3009 | plane,
|
---|
[726] | 3010 | mViewSpaceBox,
|
---|
| 3011 | eps);
|
---|
| 3012 |
|
---|
| 3013 | //Debug << "geo size: " << geom.Size() << endl;
|
---|
| 3014 | //Debug << "size b: " << back.Size() << " f: " << front.Size() << endl;
|
---|
| 3015 | if (back.Valid())
|
---|
| 3016 | {
|
---|
| 3017 | exporter->ExportPolygons(back.GetPolys());
|
---|
| 3018 | }
|
---|
| 3019 | }
|
---|
[681] | 3020 | }
|
---|
[591] | 3021 | }
|
---|
| 3022 | else
|
---|
| 3023 | {
|
---|
[726] | 3024 | BspNodeGeometry geom;
|
---|
| 3025 | mBspTree->ConstructGeometry(vc, geom);
|
---|
| 3026 |
|
---|
[678] | 3027 | exporter->ExportPolygons(geom.GetPolys());
|
---|
[591] | 3028 | }
|
---|
[482] | 3029 | }
|
---|
| 3030 |
|
---|
[503] | 3031 |
|
---|
| 3032 | void BspViewCellsManager::CreateMesh(ViewCell *vc)
|
---|
| 3033 | {
|
---|
[726] | 3034 | // delete previous mesh
|
---|
| 3035 | ///DEL_PTR(vc->GetMesh());
|
---|
[587] | 3036 | BspNodeGeometry geom;
|
---|
| 3037 | mBspTree->ConstructGeometry(vc, geom);
|
---|
| 3038 |
|
---|
[1001] | 3039 | Mesh *mesh = MeshManager::GetSingleton()->CreateResource();
|
---|
[726] | 3040 |
|
---|
[840] | 3041 | IncludeNodeGeomInMesh(geom, *mesh);
|
---|
[587] | 3042 | vc->SetMesh(mesh);
|
---|
[503] | 3043 | }
|
---|
| 3044 |
|
---|
[551] | 3045 |
|
---|
[587] | 3046 | void BspViewCellsManager::Finalize(ViewCell *viewCell,
|
---|
| 3047 | const bool createMesh)
|
---|
[502] | 3048 | {
|
---|
[587] | 3049 | float area = 0;
|
---|
| 3050 | float volume = 0;
|
---|
[572] | 3051 |
|
---|
[587] | 3052 | ViewCellContainer leaves;
|
---|
| 3053 | mViewCellsTree->CollectLeaves(viewCell, leaves);
|
---|
| 3054 |
|
---|
| 3055 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 3056 |
|
---|
[693] | 3057 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
[587] | 3058 | {
|
---|
| 3059 | BspNodeGeometry geom;
|
---|
| 3060 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(*it)->mLeaf;
|
---|
| 3061 | mBspTree->ConstructGeometry(leaf, geom);
|
---|
| 3062 |
|
---|
[719] | 3063 | const float lVol = geom.GetVolume();
|
---|
| 3064 | const float lArea = geom.GetArea();
|
---|
[693] | 3065 |
|
---|
| 3066 | //(*it)->SetVolume(vol);
|
---|
| 3067 | //(*it)->SetArea(area);
|
---|
| 3068 |
|
---|
| 3069 | area += lArea;
|
---|
| 3070 | volume += lVol;
|
---|
| 3071 |
|
---|
| 3072 | CreateMesh(*it);
|
---|
[587] | 3073 | }
|
---|
| 3074 |
|
---|
| 3075 | viewCell->SetVolume(volume);
|
---|
| 3076 | viewCell->SetArea(area);
|
---|
[502] | 3077 | }
|
---|
| 3078 |
|
---|
[580] | 3079 |
|
---|
[879] | 3080 | ViewCell *BspViewCellsManager::GetViewCell(const Vector3 &point, const bool active) const
|
---|
[580] | 3081 | {
|
---|
[1021] | 3082 | if (!ViewCellsConstructed())
|
---|
[587] | 3083 | return NULL;
|
---|
| 3084 |
|
---|
| 3085 | if (!mViewSpaceBox.IsInside(point))
|
---|
| 3086 | return NULL;
|
---|
| 3087 |
|
---|
| 3088 | return mBspTree->GetViewCell(point);
|
---|
[580] | 3089 | }
|
---|
| 3090 |
|
---|
| 3091 |
|
---|
[587] | 3092 | void BspViewCellsManager::CollectMergeCandidates(const VssRayContainer &rays,
|
---|
| 3093 | vector<MergeCandidate> &candidates)
|
---|
| 3094 | {
|
---|
| 3095 | cout << "collecting merge candidates ... " << endl;
|
---|
| 3096 |
|
---|
| 3097 | if (mUseRaysForMerge)
|
---|
| 3098 | {
|
---|
| 3099 | mBspTree->CollectMergeCandidates(rays, candidates);
|
---|
| 3100 | }
|
---|
| 3101 | else
|
---|
| 3102 | {
|
---|
| 3103 | vector<BspLeaf *> leaves;
|
---|
| 3104 | mBspTree->CollectLeaves(leaves);
|
---|
| 3105 | mBspTree->CollectMergeCandidates(leaves, candidates);
|
---|
| 3106 | }
|
---|
| 3107 |
|
---|
| 3108 | cout << "fininshed collecting candidates" << endl;
|
---|
| 3109 | }
|
---|
| 3110 |
|
---|
| 3111 |
|
---|
[440] | 3112 |
|
---|
[1047] | 3113 | bool BspViewCellsManager::ExportViewCells(const string filename,
|
---|
| 3114 | const bool exportPvs,
|
---|
| 3115 | const ObjectContainer &objects)
|
---|
[590] | 3116 | {
|
---|
[1077] | 3117 | #if TODO
|
---|
[590] | 3118 | cout << "exporting view cells to xml ... ";
|
---|
| 3119 | std::ofstream stream;
|
---|
[503] | 3120 |
|
---|
[590] | 3121 | // for output we need unique ids for each view cell
|
---|
| 3122 | CreateUniqueViewCellIds();
|
---|
[503] | 3123 |
|
---|
[590] | 3124 |
|
---|
| 3125 | stream.open(filename.c_str());
|
---|
| 3126 | stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"<<endl;
|
---|
[975] | 3127 | stream << "<VisibilitySolution>" << endl;
|
---|
[590] | 3128 |
|
---|
| 3129 | //-- the view space bounding box
|
---|
| 3130 | stream << "<ViewSpaceBox"
|
---|
| 3131 | << " min=\"" << mViewSpaceBox.Min().x << " " << mViewSpaceBox.Min().y << " " << mViewSpaceBox.Min().z << "\""
|
---|
| 3132 | << " max=\"" << mViewSpaceBox.Max().x << " " << mViewSpaceBox.Max().y << " " << mViewSpaceBox.Max().z << "\" />" << endl;
|
---|
| 3133 |
|
---|
| 3134 | //-- the type of the view cells hierarchy
|
---|
[975] | 3135 |
|
---|
[840] | 3136 | // NOTE: load in vsp bsp here because bsp and vsp bsp can use same tree and vsp bsp is bug free
|
---|
[975] | 3137 | stream << "<Hierarchy name=\"vspBspTree\" >" << endl;
|
---|
[840] | 3138 |
|
---|
[590] | 3139 | //-- load the view cells itself, i.e., the ids and the pvs
|
---|
| 3140 | stream << "<ViewCells>" << endl;
|
---|
[610] | 3141 |
|
---|
[871] | 3142 | mViewCellsTree->Export(stream, exportPvs);
|
---|
[590] | 3143 |
|
---|
| 3144 | stream << "</ViewCells>" << endl;
|
---|
| 3145 |
|
---|
| 3146 | //-- load the hierarchy
|
---|
| 3147 | stream << "<Hierarchy>" << endl;
|
---|
| 3148 | mBspTree->Export(stream);
|
---|
| 3149 | stream << endl << "</Hierarchy>" << endl;
|
---|
| 3150 |
|
---|
[975] | 3151 | stream << "</VisibilitySolution>" << endl;
|
---|
[590] | 3152 | stream.close();
|
---|
| 3153 |
|
---|
| 3154 | cout << "finished" << endl;
|
---|
[955] | 3155 | #endif
|
---|
[590] | 3156 | return true;
|
---|
| 3157 | }
|
---|
| 3158 |
|
---|
| 3159 |
|
---|
[650] | 3160 | ViewCell *BspViewCellsManager::ConstructSpatialMergeTree(BspNode *root)
|
---|
[610] | 3161 | {
|
---|
[752] | 3162 | // terminate recursion
|
---|
[650] | 3163 | if (root->IsLeaf())
|
---|
| 3164 | {
|
---|
[752] | 3165 | BspLeaf *leaf = dynamic_cast<BspLeaf *>(root);
|
---|
| 3166 | leaf->GetViewCell()->SetMergeCost(0.0f);
|
---|
| 3167 | return leaf->GetViewCell();
|
---|
[650] | 3168 | }
|
---|
| 3169 |
|
---|
| 3170 | BspInterior *interior = dynamic_cast<BspInterior *>(root);
|
---|
| 3171 | ViewCellInterior *viewCellInterior = new ViewCellInterior();
|
---|
| 3172 |
|
---|
[752] | 3173 | // evaluate merge cost for priority traversal
|
---|
[650] | 3174 | float mergeCost = 1.0f / (float)root->mTimeStamp;
|
---|
| 3175 | viewCellInterior->SetMergeCost(mergeCost);
|
---|
[649] | 3176 |
|
---|
[650] | 3177 | float volume = 0;
|
---|
[649] | 3178 |
|
---|
[650] | 3179 | BspNode *front = interior->GetFront();
|
---|
| 3180 | BspNode *back = interior->GetBack();
|
---|
[649] | 3181 |
|
---|
[752] | 3182 |
|
---|
| 3183 | //-- recursivly compute child hierarchies
|
---|
[650] | 3184 | ViewCell *backVc = ConstructSpatialMergeTree(back);
|
---|
| 3185 | ViewCell *frontVc = ConstructSpatialMergeTree(front);
|
---|
[610] | 3186 |
|
---|
[752] | 3187 |
|
---|
| 3188 | viewCellInterior->SetupChildLink(backVc);
|
---|
[650] | 3189 | viewCellInterior->SetupChildLink(frontVc);
|
---|
[610] | 3190 |
|
---|
[650] | 3191 | volume += backVc->GetVolume();
|
---|
| 3192 | volume += frontVc->GetVolume();
|
---|
[649] | 3193 |
|
---|
[650] | 3194 | viewCellInterior->SetVolume(volume);
|
---|
[649] | 3195 |
|
---|
[650] | 3196 | return viewCellInterior;
|
---|
[610] | 3197 | }
|
---|
| 3198 |
|
---|
[650] | 3199 |
|
---|
[590] | 3200 | /************************************************************************/
|
---|
| 3201 | /* KdViewCellsManager implementation */
|
---|
| 3202 | /************************************************************************/
|
---|
| 3203 |
|
---|
| 3204 |
|
---|
| 3205 |
|
---|
[1264] | 3206 | KdViewCellsManager::KdViewCellsManager(ViewCellsTree *vcTree, KdTree *kdTree):
|
---|
| 3207 | ViewCellsManager(vcTree), mKdTree(kdTree), mKdPvsDepth(100)
|
---|
[440] | 3208 | {
|
---|
| 3209 | }
|
---|
| 3210 |
|
---|
[605] | 3211 |
|
---|
[471] | 3212 | float KdViewCellsManager::GetProbability(ViewCell *viewCell)
|
---|
[468] | 3213 | {
|
---|
[479] | 3214 | // compute view cell area / volume as subsititute for probability
|
---|
[605] | 3215 | if (0)
|
---|
| 3216 | return GetArea(viewCell) / GetViewSpaceBox().SurfaceArea();
|
---|
| 3217 | else
|
---|
| 3218 | return GetVolume(viewCell) / GetViewSpaceBox().GetVolume();
|
---|
[468] | 3219 | }
|
---|
| 3220 |
|
---|
| 3221 |
|
---|
| 3222 |
|
---|
[479] | 3223 |
|
---|
[480] | 3224 | void KdViewCellsManager::CollectViewCells()
|
---|
| 3225 | {
|
---|
| 3226 | //mKdTree->CollectViewCells(mViewCells); TODO
|
---|
| 3227 | }
|
---|
[479] | 3228 |
|
---|
[519] | 3229 |
|
---|
[574] | 3230 | int KdViewCellsManager::ConstructSubdivision(const ObjectContainer &objects,
|
---|
[487] | 3231 | const VssRayContainer &rays)
|
---|
[440] | 3232 | {
|
---|
[441] | 3233 | // if view cells already constructed
|
---|
[440] | 3234 | if (ViewCellsConstructed())
|
---|
| 3235 | return 0;
|
---|
[441] | 3236 |
|
---|
[440] | 3237 | mKdTree->Construct();
|
---|
| 3238 |
|
---|
[480] | 3239 | mTotalAreaValid = false;
|
---|
[469] | 3240 | // create the view cells
|
---|
| 3241 | mKdTree->CreateAndCollectViewCells(mViewCells);
|
---|
[480] | 3242 | // cast rays
|
---|
[574] | 3243 | ComputeSampleContributions(rays, true, false);
|
---|
[480] | 3244 |
|
---|
[479] | 3245 | EvaluateViewCellsStats();
|
---|
[660] | 3246 | Debug << "\nView cells after construction:\n" << mCurrentViewCellsStats << endl;
|
---|
[469] | 3247 |
|
---|
[440] | 3248 | return 0;
|
---|
| 3249 | }
|
---|
| 3250 |
|
---|
[587] | 3251 |
|
---|
[440] | 3252 | bool KdViewCellsManager::ViewCellsConstructed() const
|
---|
| 3253 | {
|
---|
| 3254 | return mKdTree->GetRoot() != NULL;
|
---|
| 3255 | }
|
---|
| 3256 |
|
---|
[1020] | 3257 |
|
---|
[503] | 3258 | int KdViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
[466] | 3259 | const VssRayContainer &rays)
|
---|
[440] | 3260 | {
|
---|
| 3261 | return 0;
|
---|
| 3262 | }
|
---|
| 3263 |
|
---|
[1020] | 3264 |
|
---|
[440] | 3265 | void KdViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
[466] | 3266 | const VssRayContainer &sampleRays)
|
---|
[440] | 3267 | {
|
---|
[441] | 3268 | if (!ViewCellsConstructed())
|
---|
| 3269 | return;
|
---|
| 3270 |
|
---|
[469] | 3271 | // using view cells instead of the kd PVS of objects
|
---|
| 3272 | const bool useViewCells = true;
|
---|
| 3273 | bool exportRays = false;
|
---|
[440] | 3274 |
|
---|
| 3275 | int limit = min(mVisualizationSamples, (int)sampleRays.size());
|
---|
[469] | 3276 | const int pvsOut = min((int)objects.size(), 10);
|
---|
[466] | 3277 | VssRayContainer *rays = new VssRayContainer[pvsOut];
|
---|
[440] | 3278 |
|
---|
[469] | 3279 | if (useViewCells)
|
---|
[440] | 3280 | {
|
---|
[469] | 3281 | const int leafOut = 10;
|
---|
[503] | 3282 |
|
---|
[469] | 3283 | ViewCell::NewMail();
|
---|
[503] | 3284 |
|
---|
[469] | 3285 | //-- some rays for output
|
---|
| 3286 | const int raysOut = min((int)sampleRays.size(), mVisualizationSamples);
|
---|
| 3287 | Debug << "visualization using " << raysOut << " samples" << endl;
|
---|
| 3288 |
|
---|
| 3289 | //-- some random view cells and rays for output
|
---|
| 3290 | vector<KdLeaf *> kdLeaves;
|
---|
[503] | 3291 |
|
---|
[469] | 3292 | for (int i = 0; i < leafOut; ++ i)
|
---|
| 3293 | kdLeaves.push_back(dynamic_cast<KdLeaf *>(mKdTree->GetRandomLeaf()));
|
---|
[503] | 3294 |
|
---|
[469] | 3295 | for (int i = 0; i < kdLeaves.size(); ++ i)
|
---|
[440] | 3296 | {
|
---|
[469] | 3297 | KdLeaf *leaf = kdLeaves[i];
|
---|
| 3298 | RayContainer vcRays;
|
---|
[503] | 3299 |
|
---|
[469] | 3300 | cout << "creating output for view cell " << i << " ... ";
|
---|
[503] | 3301 | #if 0
|
---|
[469] | 3302 | // check whether we can add the current ray to the output rays
|
---|
[503] | 3303 | for (int k = 0; k < raysOut; ++ k)
|
---|
[440] | 3304 | {
|
---|
[469] | 3305 | Ray *ray = sampleRays[k];
|
---|
[503] | 3306 |
|
---|
[469] | 3307 | for (int j = 0; j < (int)ray->bspIntersections.size(); ++ j)
|
---|
| 3308 | {
|
---|
| 3309 | BspLeaf *leaf2 = ray->bspIntersections[j].mLeaf;
|
---|
[503] | 3310 |
|
---|
| 3311 | if (leaf->GetViewCell() == leaf2->GetViewCell())
|
---|
[469] | 3312 | {
|
---|
| 3313 | vcRays.push_back(ray);
|
---|
| 3314 | }
|
---|
| 3315 | }
|
---|
[479] | 3316 | }
|
---|
[503] | 3317 | #endif
|
---|
[469] | 3318 | Intersectable::NewMail();
|
---|
[503] | 3319 |
|
---|
[469] | 3320 | ViewCell *vc = leaf->mViewCell;
|
---|
[503] | 3321 |
|
---|
[469] | 3322 | //bspLeaves[j]->Mail();
|
---|
| 3323 | char s[64]; sprintf(s, "kd-pvs%04d.x3d", i);
|
---|
[503] | 3324 |
|
---|
[469] | 3325 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
| 3326 | exporter->SetFilled();
|
---|
| 3327 |
|
---|
| 3328 | exporter->SetWireframe();
|
---|
| 3329 | //exporter->SetFilled();
|
---|
[503] | 3330 |
|
---|
[469] | 3331 | Material m;//= RandomMaterial();
|
---|
| 3332 | m.mDiffuseColor = RgbColor(1, 1, 0);
|
---|
| 3333 | exporter->SetForcedMaterial(m);
|
---|
[503] | 3334 |
|
---|
[469] | 3335 | AxisAlignedBox3 box = mKdTree->GetBox(leaf);
|
---|
| 3336 | exporter->ExportBox(box);
|
---|
| 3337 |
|
---|
| 3338 | // export rays piercing this view cell
|
---|
[503] | 3339 | exporter->ExportRays(vcRays, 1000, RgbColor(0, 1, 0));
|
---|
| 3340 |
|
---|
[469] | 3341 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 3342 | exporter->SetForcedMaterial(m);
|
---|
[503] | 3343 |
|
---|
[469] | 3344 | // exporter->SetWireframe();
|
---|
| 3345 | exporter->SetFilled();
|
---|
[503] | 3346 |
|
---|
[469] | 3347 | ObjectPvsMap::iterator it, it_end = vc->GetPvs().mEntries.end();
|
---|
[752] | 3348 | // -- output PVS of view cell
|
---|
[1189] | 3349 | for (it = vc->GetPvs().mEntries.begin(); it != it_end; ++ it)
|
---|
[469] | 3350 | {
|
---|
| 3351 | Intersectable *intersect = (*it).first;
|
---|
| 3352 | if (!intersect->Mailed())
|
---|
| 3353 | {
|
---|
| 3354 | exporter->ExportIntersectable(intersect);
|
---|
| 3355 | intersect->Mail();
|
---|
[503] | 3356 | }
|
---|
[440] | 3357 | }
|
---|
[503] | 3358 |
|
---|
[469] | 3359 | DEL_PTR(exporter);
|
---|
| 3360 | cout << "finished" << endl;
|
---|
[440] | 3361 | }
|
---|
[469] | 3362 |
|
---|
| 3363 | DEL_PTR(rays);
|
---|
[440] | 3364 | }
|
---|
[469] | 3365 | else // using kd PVS of objects
|
---|
| 3366 | {
|
---|
| 3367 | for (int i = 0; i < limit; ++ i)
|
---|
| 3368 | {
|
---|
| 3369 | VssRay *ray = sampleRays[i];
|
---|
[503] | 3370 |
|
---|
[469] | 3371 | // check whether we can add this to the rays
|
---|
[503] | 3372 | for (int j = 0; j < pvsOut; j++)
|
---|
[469] | 3373 | {
|
---|
| 3374 | if (objects[j] == ray->mTerminationObject)
|
---|
| 3375 | {
|
---|
| 3376 | rays[j].push_back(ray);
|
---|
| 3377 | }
|
---|
| 3378 | }
|
---|
| 3379 | }
|
---|
[440] | 3380 |
|
---|
[503] | 3381 | if (exportRays)
|
---|
[469] | 3382 | {
|
---|
| 3383 | Exporter *exporter = NULL;
|
---|
| 3384 | exporter = Exporter::GetExporter("sample-rays.x3d");
|
---|
| 3385 | exporter->SetWireframe();
|
---|
| 3386 | exporter->ExportKdTree(*mKdTree);
|
---|
[503] | 3387 |
|
---|
[728] | 3388 | for (i = 0; i < pvsOut; i++)
|
---|
[469] | 3389 | exporter->ExportRays(rays[i], RgbColor(1, 0, 0));
|
---|
| 3390 |
|
---|
| 3391 | exporter->SetFilled();
|
---|
[503] | 3392 |
|
---|
[469] | 3393 | delete exporter;
|
---|
| 3394 | }
|
---|
[440] | 3395 |
|
---|
[503] | 3396 | for (int k=0; k < pvsOut; k++)
|
---|
[469] | 3397 | {
|
---|
| 3398 | Intersectable *object = objects[k];
|
---|
[503] | 3399 | char s[64];
|
---|
[469] | 3400 | sprintf(s, "sample-pvs%04d.x3d", k);
|
---|
[440] | 3401 |
|
---|
[469] | 3402 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
| 3403 | exporter->SetWireframe();
|
---|
[503] | 3404 |
|
---|
[1233] | 3405 | KdPvsMap::iterator kit = object->mKdPvs.mEntries.begin();
|
---|
[469] | 3406 | Intersectable::NewMail();
|
---|
[503] | 3407 |
|
---|
[469] | 3408 | // avoid adding the object to the list
|
---|
| 3409 | object->Mail();
|
---|
| 3410 | ObjectContainer visibleObjects;
|
---|
[503] | 3411 |
|
---|
[1233] | 3412 | for (; kit != object->mKdPvs.mEntries.end(); i++)
|
---|
[469] | 3413 | {
|
---|
[1233] | 3414 | KdNode *node = (*kit).first;
|
---|
[469] | 3415 | exporter->ExportBox(mKdTree->GetBox(node));
|
---|
[503] | 3416 |
|
---|
[469] | 3417 | mKdTree->CollectObjects(node, visibleObjects);
|
---|
| 3418 | }
|
---|
[503] | 3419 |
|
---|
[469] | 3420 | exporter->ExportRays(rays[k], RgbColor(0, 1, 0));
|
---|
| 3421 | exporter->SetFilled();
|
---|
[503] | 3422 |
|
---|
[469] | 3423 | for (int j = 0; j < visibleObjects.size(); j++)
|
---|
| 3424 | exporter->ExportIntersectable(visibleObjects[j]);
|
---|
[503] | 3425 |
|
---|
[469] | 3426 | Material m;
|
---|
| 3427 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 3428 | exporter->SetForcedMaterial(m);
|
---|
| 3429 | exporter->ExportIntersectable(object);
|
---|
[503] | 3430 |
|
---|
[469] | 3431 | delete exporter;
|
---|
[440] | 3432 | }
|
---|
[503] | 3433 | }
|
---|
[440] | 3434 | }
|
---|
| 3435 |
|
---|
[469] | 3436 |
|
---|
[580] | 3437 | ViewCell *KdViewCellsManager::GenerateViewCell(Mesh *mesh) const
|
---|
| 3438 | {
|
---|
| 3439 | return new KdViewCell(mesh);
|
---|
| 3440 | }
|
---|
[482] | 3441 |
|
---|
[580] | 3442 |
|
---|
| 3443 | void KdViewCellsManager::ExportViewCellGeometry(Exporter *exporter,
|
---|
[591] | 3444 | ViewCell *vc,
|
---|
[1416] | 3445 | const AxisAlignedBox3 *sceneBox,
|
---|
| 3446 | const AxisAlignedPlane *clipPlane
|
---|
| 3447 | ) const
|
---|
[482] | 3448 | {
|
---|
[580] | 3449 | ViewCellContainer leaves;
|
---|
| 3450 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 3451 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 3452 |
|
---|
| 3453 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 3454 | {
|
---|
| 3455 | KdViewCell *kdVc = dynamic_cast<KdViewCell *>(*it);
|
---|
| 3456 | exporter->ExportBox(mKdTree->GetBox(kdVc->mLeaf));
|
---|
| 3457 | }
|
---|
[482] | 3458 | }
|
---|
| 3459 |
|
---|
| 3460 |
|
---|
[440] | 3461 | int KdViewCellsManager::GetType() const
|
---|
| 3462 | {
|
---|
| 3463 | return ViewCellsManager::KD;
|
---|
| 3464 | }
|
---|
| 3465 |
|
---|
| 3466 |
|
---|
[441] | 3467 |
|
---|
[440] | 3468 | KdNode *KdViewCellsManager::GetNodeForPvs(KdLeaf *leaf)
|
---|
| 3469 | {
|
---|
| 3470 | KdNode *node = leaf;
|
---|
| 3471 |
|
---|
| 3472 | while (node->mParent && node->mDepth > mKdPvsDepth)
|
---|
| 3473 | node = node->mParent;
|
---|
[1176] | 3474 |
|
---|
[440] | 3475 | return node;
|
---|
| 3476 | }
|
---|
| 3477 |
|
---|
[469] | 3478 | int KdViewCellsManager::CastLineSegment(const Vector3 &origin,
|
---|
| 3479 | const Vector3 &termination,
|
---|
| 3480 | ViewCellContainer &viewcells)
|
---|
[466] | 3481 | {
|
---|
[469] | 3482 | return mKdTree->CastLineSegment(origin, termination, viewcells);
|
---|
[466] | 3483 | }
|
---|
| 3484 |
|
---|
[469] | 3485 |
|
---|
[503] | 3486 | void KdViewCellsManager::CreateMesh(ViewCell *vc)
|
---|
| 3487 | {
|
---|
[551] | 3488 | // TODO
|
---|
[503] | 3489 | }
|
---|
| 3490 |
|
---|
[580] | 3491 |
|
---|
| 3492 |
|
---|
| 3493 | void KdViewCellsManager::CollectMergeCandidates(const VssRayContainer &rays,
|
---|
| 3494 | vector<MergeCandidate> &candidates)
|
---|
| 3495 | {
|
---|
| 3496 | // TODO
|
---|
| 3497 | }
|
---|
| 3498 |
|
---|
[1021] | 3499 |
|
---|
| 3500 |
|
---|
[503] | 3501 | /**************************************************************************/
|
---|
| 3502 | /* VspBspViewCellsManager implementation */
|
---|
| 3503 | /**************************************************************************/
|
---|
[482] | 3504 |
|
---|
[503] | 3505 |
|
---|
[1264] | 3506 | VspBspViewCellsManager::VspBspViewCellsManager(ViewCellsTree *vcTree, VspBspTree *vspBspTree):
|
---|
| 3507 | ViewCellsManager(vcTree), mVspBspTree(vspBspTree)
|
---|
[442] | 3508 | {
|
---|
[1004] | 3509 | Environment::GetSingleton()->GetIntValue("VspBspTree.Construction.samples", mInitialSamples);
|
---|
[478] | 3510 | mVspBspTree->SetViewCellsManager(this);
|
---|
[590] | 3511 | mVspBspTree->mViewCellsTree = mViewCellsTree;
|
---|
[442] | 3512 | }
|
---|
| 3513 |
|
---|
[477] | 3514 |
|
---|
[475] | 3515 | VspBspViewCellsManager::~VspBspViewCellsManager()
|
---|
| 3516 | {
|
---|
| 3517 | }
|
---|
| 3518 |
|
---|
[477] | 3519 |
|
---|
[471] | 3520 | float VspBspViewCellsManager::GetProbability(ViewCell *viewCell)
|
---|
[468] | 3521 | {
|
---|
[551] | 3522 | if (0 && mVspBspTree->mUseAreaForPvs)
|
---|
[547] | 3523 | return GetArea(viewCell) / GetAccVcArea();
|
---|
| 3524 | else
|
---|
| 3525 | return GetVolume(viewCell) / mViewSpaceBox.GetVolume();
|
---|
[468] | 3526 | }
|
---|
| 3527 |
|
---|
[477] | 3528 |
|
---|
[480] | 3529 | void VspBspViewCellsManager::CollectViewCells()
|
---|
| 3530 | {
|
---|
[581] | 3531 | // view cells tree constructed
|
---|
| 3532 | if (!ViewCellsTreeConstructed())
|
---|
| 3533 | {
|
---|
[590] | 3534 | mVspBspTree->CollectViewCells(mViewCells, false);
|
---|
[581] | 3535 | }
|
---|
| 3536 | else
|
---|
[1264] | 3537 | {
|
---|
| 3538 | // we can use the view cells tree hierarchy to get the right set
|
---|
[600] | 3539 | mViewCellsTree->CollectBestViewCellSet(mViewCells, mNumActiveViewCells);
|
---|
[581] | 3540 | }
|
---|
[480] | 3541 | }
|
---|
| 3542 |
|
---|
| 3543 |
|
---|
[1021] | 3544 | void VspBspViewCellsManager::CollectMergeCandidates(const VssRayContainer &rays,
|
---|
| 3545 | vector<MergeCandidate> &candidates)
|
---|
| 3546 | {
|
---|
| 3547 | cout << "collecting merge candidates ... " << endl;
|
---|
| 3548 |
|
---|
| 3549 | if (mUseRaysForMerge)
|
---|
| 3550 | {
|
---|
| 3551 | mVspBspTree->CollectMergeCandidates(rays, candidates);
|
---|
| 3552 | }
|
---|
| 3553 | else
|
---|
| 3554 | {
|
---|
| 3555 | vector<BspLeaf *> leaves;
|
---|
| 3556 | mVspBspTree->CollectLeaves(leaves);
|
---|
| 3557 |
|
---|
| 3558 | mVspBspTree->CollectMergeCandidates(leaves, candidates);
|
---|
| 3559 | }
|
---|
| 3560 |
|
---|
| 3561 | cout << "fininshed collecting candidates" << endl;
|
---|
| 3562 | }
|
---|
| 3563 |
|
---|
| 3564 |
|
---|
[442] | 3565 | bool VspBspViewCellsManager::ViewCellsConstructed() const
|
---|
| 3566 | {
|
---|
| 3567 | return mVspBspTree->GetRoot() != NULL;
|
---|
| 3568 | }
|
---|
| 3569 |
|
---|
[462] | 3570 |
|
---|
[442] | 3571 | ViewCell *VspBspViewCellsManager::GenerateViewCell(Mesh *mesh) const
|
---|
| 3572 | {
|
---|
| 3573 | return new BspViewCell(mesh);
|
---|
| 3574 | }
|
---|
| 3575 |
|
---|
[569] | 3576 |
|
---|
[574] | 3577 | int VspBspViewCellsManager::ConstructSubdivision(const ObjectContainer &objects,
|
---|
[600] | 3578 | const VssRayContainer &rays)
|
---|
[442] | 3579 | {
|
---|
[710] | 3580 | mMaxPvsSize = (int)(mMaxPvsRatio * (float)objects.size());
|
---|
| 3581 |
|
---|
[503] | 3582 | // if view cells were already constructed
|
---|
| 3583 | if (ViewCellsConstructed())
|
---|
| 3584 | return 0;
|
---|
[442] | 3585 |
|
---|
[503] | 3586 | int sampleContributions = 0;
|
---|
| 3587 |
|
---|
| 3588 | VssRayContainer sampleRays;
|
---|
| 3589 |
|
---|
[574] | 3590 | int limit = min (mInitialSamples, (int)rays.size());
|
---|
[503] | 3591 |
|
---|
[469] | 3592 | VssRayContainer constructionRays;
|
---|
| 3593 | VssRayContainer savedRays;
|
---|
[442] | 3594 |
|
---|
[660] | 3595 | Debug << "samples used for vsp bsp subdivision: " << mInitialSamples
|
---|
[664] | 3596 | << ", actual rays: " << (int)rays.size() << endl;
|
---|
[587] | 3597 |
|
---|
[574] | 3598 | GetRaySets(rays, mInitialSamples, constructionRays, &savedRays);
|
---|
[487] | 3599 |
|
---|
[574] | 3600 | Debug << "initial rays: " << (int)constructionRays.size() << endl;
|
---|
[508] | 3601 | Debug << "saved rays: " << (int)savedRays.size() << endl;
|
---|
[485] | 3602 |
|
---|
[1002] | 3603 | long startTime;
|
---|
[564] | 3604 |
|
---|
[667] | 3605 | if (1)
|
---|
[1221] | 3606 | {
|
---|
[667] | 3607 | mVspBspTree->Construct(constructionRays, &mViewSpaceBox);
|
---|
[1221] | 3608 | }
|
---|
[666] | 3609 | else
|
---|
[1221] | 3610 | {
|
---|
[667] | 3611 | mVspBspTree->Construct(rays, &mViewSpaceBox);
|
---|
[1221] | 3612 | }
|
---|
[667] | 3613 |
|
---|
[490] | 3614 | // collapse invalid regions
|
---|
[491] | 3615 | cout << "collapsing invalid tree regions ... ";
|
---|
[1002] | 3616 | startTime = GetTime();
|
---|
| 3617 | const int collapsedLeaves = mVspBspTree->CollapseTree();
|
---|
[587] | 3618 | Debug << "collapsed in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
| 3619 | << " seconds" << endl;
|
---|
| 3620 |
|
---|
[495] | 3621 | cout << "finished" << endl;
|
---|
[503] | 3622 |
|
---|
[1444] | 3623 | /////////////////
|
---|
[1221] | 3624 | //-- stats after construction
|
---|
| 3625 |
|
---|
[660] | 3626 | Debug << mVspBspTree->GetStatistics() << endl;
|
---|
| 3627 |
|
---|
[480] | 3628 | ResetViewCells();
|
---|
[660] | 3629 | Debug << "\nView cells after construction:\n" << mCurrentViewCellsStats << endl;
|
---|
[503] | 3630 |
|
---|
[491] | 3631 |
|
---|
[1444] | 3632 | //////////////////////
|
---|
| 3633 | //-- recast rest of rays
|
---|
[495] | 3634 | startTime = GetTime();
|
---|
[503] | 3635 |
|
---|
[491] | 3636 | cout << "Computing remaining ray contributions ... ";
|
---|
[605] | 3637 |
|
---|
| 3638 | if (SAMPLE_AFTER_SUBDIVISION)
|
---|
| 3639 | ComputeSampleContributions(savedRays, true, false);
|
---|
[752] | 3640 |
|
---|
[491] | 3641 | cout << "finished" << endl;
|
---|
| 3642 |
|
---|
[503] | 3643 | Debug << "Computed remaining ray contribution in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
[485] | 3644 | << " secs" << endl;
|
---|
[442] | 3645 |
|
---|
[485] | 3646 | cout << "construction finished" << endl;
|
---|
[503] | 3647 |
|
---|
[719] | 3648 | if (0)
|
---|
| 3649 | {
|
---|
[1077] | 3650 | //-- real meshes are contructed at this stage
|
---|
[719] | 3651 | cout << "finalizing view cells ... ";
|
---|
| 3652 | FinalizeViewCells(true);
|
---|
| 3653 | cout << "finished" << endl;
|
---|
| 3654 | }
|
---|
| 3655 |
|
---|
[442] | 3656 | return sampleContributions;
|
---|
| 3657 | }
|
---|
| 3658 |
|
---|
[489] | 3659 |
|
---|
[503] | 3660 | void VspBspViewCellsManager::MergeViewCells(const VssRayContainer &rays,
|
---|
| 3661 | const ObjectContainer &objects)
|
---|
[475] | 3662 | {
|
---|
[442] | 3663 | int vcSize = 0;
|
---|
| 3664 | int pvsSize = 0;
|
---|
| 3665 |
|
---|
[650] | 3666 | //-- merge view cells
|
---|
| 3667 | cout << "starting merge using " << mPostProcessSamples << " samples ... " << endl;
|
---|
| 3668 | long startTime = GetTime();
|
---|
| 3669 |
|
---|
| 3670 |
|
---|
[597] | 3671 | if (mMergeViewCells)
|
---|
| 3672 | {
|
---|
| 3673 | // TODO: should be done BEFORE the ray casting
|
---|
[710] | 3674 | // compute tree by merging the nodes based on cost heuristics
|
---|
[650] | 3675 | mViewCellsTree->ConstructMergeTree(rays, objects);
|
---|
| 3676 | }
|
---|
| 3677 | else
|
---|
| 3678 | {
|
---|
[710] | 3679 | // compute tree by merging the nodes of the spatial hierarchy
|
---|
| 3680 | ViewCell *root = ConstructSpatialMergeTree(mVspBspTree->GetRoot());
|
---|
| 3681 | mViewCellsTree->SetRoot(root);
|
---|
[752] | 3682 |
|
---|
| 3683 | // compute pvs
|
---|
| 3684 | ObjectPvs pvs;
|
---|
| 3685 | UpdatePvsForEvaluation(root, pvs);
|
---|
[650] | 3686 | }
|
---|
[442] | 3687 |
|
---|
[666] | 3688 | if (1)
|
---|
| 3689 | {
|
---|
| 3690 | char mstats[100];
|
---|
[752] | 3691 | ObjectPvs pvs;
|
---|
| 3692 |
|
---|
[1004] | 3693 | Environment::GetSingleton()->GetStringValue("ViewCells.mergeStats", mstats);
|
---|
[666] | 3694 | mViewCellsTree->ExportStats(mstats);
|
---|
| 3695 | }
|
---|
[485] | 3696 |
|
---|
[650] | 3697 | cout << "merged view cells in "
|
---|
| 3698 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl;
|
---|
[503] | 3699 |
|
---|
[650] | 3700 | Debug << "Postprocessing: Merged view cells in "
|
---|
| 3701 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl << endl;
|
---|
| 3702 |
|
---|
| 3703 |
|
---|
[1444] | 3704 | //////////////////
|
---|
| 3705 | //-- stats and visualizations
|
---|
| 3706 |
|
---|
[600] | 3707 | int savedColorCode = mColorCode;
|
---|
| 3708 |
|
---|
[660] | 3709 | // get currently active view cell set
|
---|
| 3710 | ResetViewCells();
|
---|
| 3711 | Debug << "\nView cells after merge:\n" << mCurrentViewCellsStats << endl;
|
---|
[1444] | 3712 |
|
---|
[667] | 3713 | if (1) // export merged view cells
|
---|
[483] | 3714 | {
|
---|
[600] | 3715 | mColorCode = 0;
|
---|
[744] | 3716 | Exporter *exporter = Exporter::GetExporter("merged_view_cells.wrl");
|
---|
[660] | 3717 |
|
---|
[485] | 3718 | cout << "exporting view cells after merge ... ";
|
---|
| 3719 |
|
---|
| 3720 | if (exporter)
|
---|
[483] | 3721 | {
|
---|
[600] | 3722 | if (0)
|
---|
| 3723 | exporter->SetWireframe();
|
---|
| 3724 | else
|
---|
| 3725 | exporter->SetFilled();
|
---|
| 3726 |
|
---|
[1416] | 3727 | ExportViewCellsForViz(exporter, NULL, GetClipPlane());
|
---|
[600] | 3728 |
|
---|
[485] | 3729 | if (mExportGeometry)
|
---|
[483] | 3730 | {
|
---|
[485] | 3731 | Material m;
|
---|
| 3732 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 3733 | exporter->SetForcedMaterial(m);
|
---|
| 3734 | exporter->SetFilled();
|
---|
[442] | 3735 |
|
---|
[485] | 3736 | exporter->ExportGeometry(objects);
|
---|
[442] | 3737 | }
|
---|
[485] | 3738 |
|
---|
[600] | 3739 | delete exporter;
|
---|
| 3740 | }
|
---|
| 3741 | cout << "finished" << endl;
|
---|
| 3742 | }
|
---|
| 3743 |
|
---|
[1404] | 3744 | if (1)
|
---|
[600] | 3745 | {
|
---|
[1416] | 3746 | // use pvs size for color coding
|
---|
| 3747 | mColorCode = 1;
|
---|
[744] | 3748 | Exporter *exporter = Exporter::GetExporter("merged_view_cells_pvs.wrl");
|
---|
[1176] | 3749 |
|
---|
[600] | 3750 | cout << "exporting view cells after merge (pvs size) ... ";
|
---|
| 3751 |
|
---|
| 3752 | if (exporter)
|
---|
| 3753 | {
|
---|
[1416] | 3754 | exporter->SetFilled();
|
---|
[598] | 3755 |
|
---|
[1416] | 3756 | ExportViewCellsForViz(exporter, NULL, GetClipPlane());
|
---|
[598] | 3757 |
|
---|
[600] | 3758 | if (mExportGeometry)
|
---|
| 3759 | {
|
---|
| 3760 | Material m;
|
---|
| 3761 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 3762 | exporter->SetForcedMaterial(m);
|
---|
| 3763 | exporter->SetFilled();
|
---|
| 3764 |
|
---|
| 3765 | exporter->ExportGeometry(objects);
|
---|
| 3766 | }
|
---|
| 3767 |
|
---|
[485] | 3768 | delete exporter;
|
---|
[442] | 3769 | }
|
---|
[485] | 3770 | cout << "finished" << endl;
|
---|
[442] | 3771 | }
|
---|
[600] | 3772 |
|
---|
| 3773 | mColorCode = savedColorCode;
|
---|
| 3774 |
|
---|
[503] | 3775 | }
|
---|
[475] | 3776 |
|
---|
[503] | 3777 |
|
---|
[609] | 3778 | bool VspBspViewCellsManager::EqualToSpatialNode(ViewCell *viewCell) const
|
---|
[607] | 3779 | {
|
---|
[609] | 3780 | return GetSpatialNode(viewCell) != NULL;
|
---|
[607] | 3781 | }
|
---|
| 3782 |
|
---|
| 3783 |
|
---|
[609] | 3784 | BspNode *VspBspViewCellsManager::GetSpatialNode(ViewCell *viewCell) const
|
---|
[607] | 3785 | {
|
---|
| 3786 | if (!viewCell->IsLeaf())
|
---|
| 3787 | {
|
---|
| 3788 | BspViewCell *bspVc = dynamic_cast<BspViewCell *>(viewCell);
|
---|
| 3789 |
|
---|
[609] | 3790 | return bspVc->mLeaf;
|
---|
| 3791 | }
|
---|
[607] | 3792 | else
|
---|
| 3793 | {
|
---|
| 3794 | ViewCellInterior *interior = dynamic_cast<ViewCellInterior *>(viewCell);
|
---|
| 3795 |
|
---|
| 3796 | // cannot be node of binary tree
|
---|
| 3797 | if (interior->mChildren.size() != 2)
|
---|
[609] | 3798 | return NULL;
|
---|
[607] | 3799 |
|
---|
| 3800 | ViewCell *left = interior->mChildren[0];
|
---|
| 3801 | ViewCell *right = interior->mChildren[1];
|
---|
| 3802 |
|
---|
[609] | 3803 | BspNode *leftNode = GetSpatialNode(left);
|
---|
| 3804 | BspNode *rightNode = GetSpatialNode(right);
|
---|
[607] | 3805 |
|
---|
[609] | 3806 | if (leftNode && rightNode && leftNode->IsSibling(rightNode))
|
---|
[607] | 3807 | {
|
---|
[609] | 3808 | return leftNode->GetParent();
|
---|
[607] | 3809 | }
|
---|
[609] | 3810 | }
|
---|
[607] | 3811 |
|
---|
[609] | 3812 | return NULL;
|
---|
[607] | 3813 | }
|
---|
| 3814 |
|
---|
| 3815 |
|
---|
[564] | 3816 | void VspBspViewCellsManager::RefineViewCells(const VssRayContainer &rays,
|
---|
| 3817 | const ObjectContainer &objects)
|
---|
[503] | 3818 | {
|
---|
[485] | 3819 | mRenderer->RenderScene();
|
---|
[503] | 3820 | SimulationStatistics ss;
|
---|
[485] | 3821 | dynamic_cast<RenderSimulator *>(mRenderer)->GetStatistics(ss);
|
---|
[1415] | 3822 | Debug << "render time before refine\n\n" << ss << endl;
|
---|
[485] | 3823 |
|
---|
[1414] | 3824 | const long startTime = GetTime();
|
---|
[489] | 3825 | cout << "Refining the merged view cells ... ";
|
---|
[485] | 3826 |
|
---|
| 3827 | // refining the merged view cells
|
---|
[580] | 3828 | const int refined = mViewCellsTree->RefineViewCells(rays, objects);
|
---|
[485] | 3829 |
|
---|
[442] | 3830 | //-- stats and visualizations
|
---|
| 3831 | cout << "finished" << endl;
|
---|
[485] | 3832 | cout << "refined " << refined << " view cells in "
|
---|
[442] | 3833 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl;
|
---|
| 3834 |
|
---|
[485] | 3835 | Debug << "Postprocessing: refined " << refined << " view cells in "
|
---|
[475] | 3836 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl << endl;
|
---|
[503] | 3837 | }
|
---|
[495] | 3838 |
|
---|
[517] | 3839 |
|
---|
[503] | 3840 | int VspBspViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
| 3841 | const VssRayContainer &rays)
|
---|
[840] | 3842 | {
|
---|
[503] | 3843 | if (!ViewCellsConstructed())
|
---|
| 3844 | {
|
---|
[517] | 3845 | Debug << "postprocess error: no view cells constructed" << endl;
|
---|
[503] | 3846 | return 0;
|
---|
| 3847 | }
|
---|
[520] | 3848 |
|
---|
[609] | 3849 | // view cells already finished before post processing step
|
---|
| 3850 | // (i.e. because they were loaded)
|
---|
[520] | 3851 | if (mViewCellsFinished)
|
---|
[542] | 3852 | {
|
---|
[551] | 3853 | FinalizeViewCells(true);
|
---|
[542] | 3854 | EvaluateViewCellsStats();
|
---|
[577] | 3855 |
|
---|
[517] | 3856 | return 0;
|
---|
[542] | 3857 | }
|
---|
[448] | 3858 |
|
---|
[710] | 3859 | // check if new view cells turned invalid
|
---|
| 3860 | int minPvs, maxPvs;
|
---|
[564] | 3861 |
|
---|
[710] | 3862 | if (0)
|
---|
| 3863 | {
|
---|
| 3864 | minPvs = mMinPvsSize;
|
---|
| 3865 | maxPvs = mMaxPvsSize;
|
---|
| 3866 | }
|
---|
| 3867 | else
|
---|
| 3868 | {
|
---|
[1414] | 3869 | // problem matt: why did I start here from zero?
|
---|
| 3870 | minPvs = 0;
|
---|
[710] | 3871 | maxPvs = mMaxPvsSize;
|
---|
| 3872 | }
|
---|
[720] | 3873 |
|
---|
[710] | 3874 | Debug << "setting validity, min: " << minPvs << " max: " << maxPvs << endl;
|
---|
| 3875 | cout << "setting validity, min: " << minPvs << " max: " << maxPvs << endl;
|
---|
| 3876 |
|
---|
| 3877 | SetValidity(minPvs, maxPvs);
|
---|
| 3878 |
|
---|
[574] | 3879 | // update valid view space according to valid view cells
|
---|
[720] | 3880 | if (0) mVspBspTree->ValidateTree();
|
---|
[542] | 3881 |
|
---|
[720] | 3882 | // area has to be recomputed
|
---|
[574] | 3883 | mTotalAreaValid = false;
|
---|
[517] | 3884 | VssRayContainer postProcessRays;
|
---|
[605] | 3885 | GetRaySets(rays, mPostProcessSamples, postProcessRays);
|
---|
| 3886 |
|
---|
[517] | 3887 | Debug << "post processing using " << (int)postProcessRays.size() << " samples" << endl;
|
---|
[564] | 3888 |
|
---|
[1414] | 3889 | // should maybe be done here to allow merge working
|
---|
| 3890 | // with area or volume and to correct the rendering statistics
|
---|
[719] | 3891 | if (0) FinalizeViewCells(false);
|
---|
[720] | 3892 |
|
---|
[1444] | 3893 | //////////
|
---|
[597] | 3894 | //-- merge the individual view cells
|
---|
| 3895 | MergeViewCells(postProcessRays, objects);
|
---|
[591] | 3896 |
|
---|
[1444] | 3897 | // refines the merged view cells
|
---|
[720] | 3898 | if (0) RefineViewCells(postProcessRays, objects);
|
---|
[568] | 3899 |
|
---|
[1444] | 3900 |
|
---|
| 3901 | ///////////
|
---|
[660] | 3902 | //-- render simulation after merge + refine
|
---|
[1414] | 3903 |
|
---|
[1415] | 3904 | cout << "\nview cells partition render time before compress" << endl << endl;;
|
---|
[605] | 3905 | dynamic_cast<RenderSimulator *>(mRenderer)->RenderScene();
|
---|
| 3906 | SimulationStatistics ss;
|
---|
| 3907 | dynamic_cast<RenderSimulator *>(mRenderer)->GetStatistics(ss);
|
---|
[1414] | 3908 |
|
---|
[605] | 3909 | cout << ss << endl;
|
---|
[1414] | 3910 |
|
---|
[600] | 3911 |
|
---|
[1418] | 3912 | ////////////
|
---|
[600] | 3913 | //-- compression
|
---|
[1414] | 3914 |
|
---|
[600] | 3915 | if (ViewCellsTreeConstructed() && mCompressViewCells)
|
---|
| 3916 | {
|
---|
[1161] | 3917 | int pvsEntries = mViewCellsTree->GetStoredPvsEntriesNum(mViewCellsTree->GetRoot());
|
---|
[600] | 3918 | Debug << "number of entries before compress: " << pvsEntries << endl;
|
---|
| 3919 |
|
---|
[752] | 3920 | mViewCellsTree->SetViewCellsStorage(ViewCellsTree::COMPRESSED);
|
---|
[600] | 3921 |
|
---|
[1161] | 3922 | pvsEntries = mViewCellsTree->GetStoredPvsEntriesNum(mViewCellsTree->GetRoot());
|
---|
[600] | 3923 | Debug << "number of entries after compress: " << pvsEntries << endl;
|
---|
| 3924 | }
|
---|
| 3925 |
|
---|
[660] | 3926 |
|
---|
[517] | 3927 | // collapse sibling leaves that share the same view cell
|
---|
[840] | 3928 | if (0) mVspBspTree->CollapseTree();
|
---|
[586] | 3929 |
|
---|
[574] | 3930 | // recompute view cell list and statistics
|
---|
[520] | 3931 | ResetViewCells();
|
---|
| 3932 |
|
---|
[719] | 3933 | // compute final meshes and volume / area
|
---|
| 3934 | if (1) FinalizeViewCells(true);
|
---|
[1444] | 3935 |
|
---|
[508] | 3936 | // write view cells to disc
|
---|
[1418] | 3937 | if (0 && mExportViewCells)
|
---|
[1444] | 3938 | {
|
---|
[840] | 3939 | char filename[100];
|
---|
[1004] | 3940 | Environment::GetSingleton()->GetStringValue("ViewCells.filename", filename);
|
---|
[931] | 3941 | ExportViewCells(filename, mExportPvs, objects);
|
---|
[840] | 3942 | }
|
---|
[517] | 3943 |
|
---|
[503] | 3944 | return 0;
|
---|
[442] | 3945 | }
|
---|
| 3946 |
|
---|
[490] | 3947 |
|
---|
[442] | 3948 | int VspBspViewCellsManager::GetType() const
|
---|
| 3949 | {
|
---|
| 3950 | return VSP_BSP;
|
---|
| 3951 | }
|
---|
| 3952 |
|
---|
| 3953 |
|
---|
[650] | 3954 | ViewCell *VspBspViewCellsManager::ConstructSpatialMergeTree(BspNode *root)
|
---|
[609] | 3955 | {
|
---|
[752] | 3956 | // terminate recursion
|
---|
[650] | 3957 | if (root->IsLeaf())
|
---|
| 3958 | {
|
---|
[752] | 3959 | BspLeaf *leaf = dynamic_cast<BspLeaf *>(root);
|
---|
| 3960 | leaf->GetViewCell()->SetMergeCost(0.0f);
|
---|
| 3961 | return leaf->GetViewCell();
|
---|
[650] | 3962 | }
|
---|
| 3963 |
|
---|
[752] | 3964 |
|
---|
[650] | 3965 | BspInterior *interior = dynamic_cast<BspInterior *>(root);
|
---|
| 3966 | ViewCellInterior *viewCellInterior = new ViewCellInterior();
|
---|
| 3967 |
|
---|
[752] | 3968 | // evaluate merge cost for priority traversal
|
---|
[650] | 3969 | float mergeCost = 1.0f / (float)root->mTimeStamp;
|
---|
| 3970 | viewCellInterior->SetMergeCost(mergeCost);
|
---|
[610] | 3971 |
|
---|
[650] | 3972 | float volume = 0;
|
---|
| 3973 |
|
---|
| 3974 | BspNode *front = interior->GetFront();
|
---|
| 3975 | BspNode *back = interior->GetBack();
|
---|
[649] | 3976 |
|
---|
[752] | 3977 |
|
---|
| 3978 | ObjectPvs frontPvs, backPvs;
|
---|
| 3979 |
|
---|
| 3980 | //-- recursivly compute child hierarchies
|
---|
[650] | 3981 | ViewCell *backVc = ConstructSpatialMergeTree(back);
|
---|
| 3982 | ViewCell *frontVc = ConstructSpatialMergeTree(front);
|
---|
[610] | 3983 |
|
---|
[752] | 3984 |
|
---|
| 3985 | viewCellInterior->SetupChildLink(backVc);
|
---|
[650] | 3986 | viewCellInterior->SetupChildLink(frontVc);
|
---|
| 3987 |
|
---|
| 3988 | volume += backVc->GetVolume();
|
---|
| 3989 | volume += frontVc->GetVolume();
|
---|
| 3990 |
|
---|
| 3991 | viewCellInterior->SetVolume(volume);
|
---|
| 3992 |
|
---|
| 3993 | return viewCellInterior;
|
---|
[609] | 3994 | }
|
---|
| 3995 |
|
---|
| 3996 |
|
---|
[490] | 3997 | bool VspBspViewCellsManager::GetViewPoint(Vector3 &viewPoint) const
|
---|
| 3998 | {
|
---|
| 3999 | if (!ViewCellsConstructed())
|
---|
| 4000 | return ViewCellsManager::GetViewPoint(viewPoint);
|
---|
| 4001 |
|
---|
| 4002 | // TODO: set reasonable limit
|
---|
| 4003 | const int limit = 20;
|
---|
| 4004 |
|
---|
| 4005 | for (int i = 0; i < limit; ++ i)
|
---|
| 4006 | {
|
---|
[542] | 4007 | viewPoint = mViewSpaceBox.GetRandomPoint();
|
---|
[490] | 4008 | if (mVspBspTree->ViewPointValid(viewPoint))
|
---|
| 4009 | {
|
---|
| 4010 | return true;
|
---|
| 4011 | }
|
---|
| 4012 | }
|
---|
[997] | 4013 |
|
---|
[490] | 4014 | Debug << "failed to find valid view point, taking " << viewPoint << endl;
|
---|
| 4015 | return false;
|
---|
| 4016 | }
|
---|
| 4017 |
|
---|
| 4018 |
|
---|
| 4019 | bool VspBspViewCellsManager::ViewPointValid(const Vector3 &viewPoint) const
|
---|
| 4020 | {
|
---|
[569] | 4021 | // $$JB -> implemented in viewcellsmanager (slower, but allows dynamic
|
---|
| 4022 | // validy update in preprocessor for all managers)
|
---|
| 4023 | return ViewCellsManager::ViewPointValid(viewPoint);
|
---|
[570] | 4024 |
|
---|
[569] | 4025 | // return mViewSpaceBox.IsInside(viewPoint) &&
|
---|
| 4026 | // mVspBspTree->ViewPointValid(viewPoint);
|
---|
[490] | 4027 | }
|
---|
| 4028 |
|
---|
| 4029 |
|
---|
[442] | 4030 | void VspBspViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
[466] | 4031 | const VssRayContainer &sampleRays)
|
---|
[442] | 4032 | {
|
---|
| 4033 | if (!ViewCellsConstructed())
|
---|
| 4034 | return;
|
---|
| 4035 |
|
---|
[485] | 4036 | VssRayContainer visRays;
|
---|
| 4037 | GetRaySets(sampleRays, mVisualizationSamples, visRays);
|
---|
[483] | 4038 |
|
---|
[1416] | 4039 |
|
---|
[1077] | 4040 | if (0)
|
---|
[1047] | 4041 | {
|
---|
[1416] | 4042 | //////////////////
|
---|
| 4043 | //-- export final view cell partition
|
---|
| 4044 |
|
---|
[1020] | 4045 | Exporter *exporter = Exporter::GetExporter("final_view_cells.wrl");
|
---|
[600] | 4046 |
|
---|
[442] | 4047 | if (exporter)
|
---|
| 4048 | {
|
---|
[580] | 4049 | cout << "exporting view cells after post process ... ";
|
---|
| 4050 |
|
---|
[600] | 4051 | if (0)
|
---|
[542] | 4052 | {
|
---|
[1004] | 4053 | // export view space box
|
---|
[542] | 4054 | exporter->SetWireframe();
|
---|
| 4055 | exporter->ExportBox(mViewSpaceBox);
|
---|
| 4056 | exporter->SetFilled();
|
---|
| 4057 | }
|
---|
| 4058 |
|
---|
[1052] | 4059 | Material m;
|
---|
| 4060 |
|
---|
| 4061 | m.mDiffuseColor.r = 0.0f;
|
---|
| 4062 | m.mDiffuseColor.g = 0.5f;
|
---|
| 4063 | m.mDiffuseColor.b = 0.5f;
|
---|
| 4064 |
|
---|
| 4065 | exporter->SetForcedMaterial(m);
|
---|
| 4066 |
|
---|
| 4067 | if (0 && mExportGeometry)
|
---|
[542] | 4068 | {
|
---|
[485] | 4069 | exporter->ExportGeometry(objects);
|
---|
[542] | 4070 | }
|
---|
[489] | 4071 |
|
---|
| 4072 | // export rays
|
---|
[1047] | 4073 | if (0 && mExportRays)
|
---|
[489] | 4074 | {
|
---|
[1052] | 4075 | exporter->ExportRays(visRays, RgbColor(1, 0, 0));
|
---|
[490] | 4076 | }
|
---|
[564] | 4077 |
|
---|
[1416] | 4078 | ExportViewCellsForViz(exporter, NULL, GetClipPlane());
|
---|
[1020] | 4079 |
|
---|
[442] | 4080 | delete exporter;
|
---|
[580] | 4081 | cout << "finished" << endl;
|
---|
[442] | 4082 | }
|
---|
[557] | 4083 | }
|
---|
[503] | 4084 |
|
---|
[600] | 4085 | if (0)
|
---|
[577] | 4086 | {
|
---|
| 4087 | cout << "exporting depth map ... ";
|
---|
| 4088 |
|
---|
| 4089 | Exporter *exporter = Exporter::GetExporter("depth_map.x3d");
|
---|
| 4090 | if (exporter)
|
---|
| 4091 | {
|
---|
| 4092 | if (1)
|
---|
| 4093 | {
|
---|
| 4094 | exporter->SetWireframe();
|
---|
| 4095 | exporter->ExportBox(mViewSpaceBox);
|
---|
| 4096 | exporter->SetFilled();
|
---|
| 4097 | }
|
---|
| 4098 |
|
---|
| 4099 | if (mExportGeometry)
|
---|
| 4100 | {
|
---|
| 4101 | exporter->ExportGeometry(objects);
|
---|
| 4102 | }
|
---|
| 4103 |
|
---|
[1143] | 4104 | const int maxDepth = mVspBspTree->GetStatistics().maxDepth;
|
---|
[577] | 4105 |
|
---|
| 4106 | ViewCellContainer::const_iterator vit, vit_end = mViewCells.end();
|
---|
| 4107 |
|
---|
| 4108 | for (vit = mViewCells.begin(); vit != mViewCells.end(); ++ vit)
|
---|
| 4109 | {
|
---|
[582] | 4110 | ViewCell *vc = *vit;
|
---|
[577] | 4111 |
|
---|
[580] | 4112 | ViewCellContainer leaves;
|
---|
| 4113 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
[577] | 4114 |
|
---|
[580] | 4115 | ViewCellContainer::const_iterator lit, lit_end = leaves.end();
|
---|
| 4116 |
|
---|
| 4117 | for (lit = leaves.begin(); lit != lit_end; ++ lit)
|
---|
[577] | 4118 | {
|
---|
[580] | 4119 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(*lit)->mLeaf;
|
---|
[577] | 4120 |
|
---|
| 4121 | Material m;
|
---|
| 4122 |
|
---|
| 4123 | float relDepth = (float)leaf->GetDepth() / (float)maxDepth;
|
---|
| 4124 | m.mDiffuseColor.r = relDepth;
|
---|
| 4125 | m.mDiffuseColor.g = 0.0f;
|
---|
| 4126 | m.mDiffuseColor.b = 1.0f - relDepth;
|
---|
| 4127 |
|
---|
| 4128 | exporter->SetForcedMaterial(m);
|
---|
| 4129 |
|
---|
| 4130 |
|
---|
| 4131 | BspNodeGeometry geom;
|
---|
| 4132 | mVspBspTree->ConstructGeometry(leaf, geom);
|
---|
[678] | 4133 | exporter->ExportPolygons(geom.GetPolys());
|
---|
[577] | 4134 | }
|
---|
| 4135 | }
|
---|
| 4136 |
|
---|
| 4137 | delete exporter;
|
---|
| 4138 | }
|
---|
| 4139 |
|
---|
| 4140 |
|
---|
| 4141 | cout << "finished" << endl;
|
---|
| 4142 | }
|
---|
| 4143 |
|
---|
[442] | 4144 | //-- visualization of the BSP splits
|
---|
| 4145 | bool exportSplits = false;
|
---|
[1004] | 4146 | Environment::GetSingleton()->GetBoolValue("VspBspTree.Visualization.exportSplits", exportSplits);
|
---|
[503] | 4147 |
|
---|
[442] | 4148 | if (exportSplits)
|
---|
| 4149 | {
|
---|
| 4150 | cout << "exporting splits ... ";
|
---|
[485] | 4151 | ExportSplits(objects, visRays);
|
---|
[442] | 4152 | cout << "finished" << endl;
|
---|
| 4153 | }
|
---|
| 4154 |
|
---|
[542] | 4155 | //-- export single view cells
|
---|
[485] | 4156 | ExportBspPvs(objects, visRays);
|
---|
[442] | 4157 | }
|
---|
| 4158 |
|
---|
[503] | 4159 |
|
---|
[485] | 4160 | void VspBspViewCellsManager::ExportSplits(const ObjectContainer &objects,
|
---|
| 4161 | const VssRayContainer &rays)
|
---|
[442] | 4162 | {
|
---|
| 4163 | Exporter *exporter = Exporter::GetExporter("bsp_splits.x3d");
|
---|
| 4164 |
|
---|
[503] | 4165 | if (exporter)
|
---|
| 4166 | {
|
---|
| 4167 | Material m;
|
---|
[442] | 4168 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 4169 | exporter->SetForcedMaterial(m);
|
---|
| 4170 | exporter->SetWireframe();
|
---|
[503] | 4171 |
|
---|
[448] | 4172 | exporter->ExportBspSplits(*mVspBspTree, true);
|
---|
[442] | 4173 |
|
---|
| 4174 | // take forced material, else big scenes cannot be viewed
|
---|
| 4175 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 4176 | exporter->SetForcedMaterial(m);
|
---|
| 4177 | exporter->SetFilled();
|
---|
| 4178 |
|
---|
| 4179 | exporter->ResetForcedMaterial();
|
---|
[503] | 4180 |
|
---|
[442] | 4181 | // export rays
|
---|
[485] | 4182 | if (mExportRays)
|
---|
| 4183 | exporter->ExportRays(rays, RgbColor(1, 1, 0));
|
---|
[503] | 4184 |
|
---|
[485] | 4185 | if (mExportGeometry)
|
---|
[442] | 4186 | exporter->ExportGeometry(objects);
|
---|
| 4187 |
|
---|
| 4188 | delete exporter;
|
---|
| 4189 | }
|
---|
| 4190 | }
|
---|
| 4191 |
|
---|
[503] | 4192 |
|
---|
[485] | 4193 | void VspBspViewCellsManager::ExportBspPvs(const ObjectContainer &objects,
|
---|
| 4194 | const VssRayContainer &rays)
|
---|
[442] | 4195 | {
|
---|
[1020] | 4196 | int leafOut;
|
---|
| 4197 | Environment::GetSingleton()->GetIntValue("ViewCells.Visualization.maxOutput", leafOut);
|
---|
[503] | 4198 |
|
---|
[442] | 4199 | ViewCell::NewMail();
|
---|
[503] | 4200 |
|
---|
[639] | 4201 | cout << "visualization using " << (int)rays.size() << " samples" << endl;
|
---|
| 4202 | Debug << "visualization using " << (int)rays.size() << " samples" << endl;
|
---|
[475] | 4203 | Debug << "\nOutput view cells: " << endl;
|
---|
[503] | 4204 |
|
---|
[694] | 4205 | const bool sortViewCells = true;
|
---|
[1021] | 4206 |
|
---|
[485] | 4207 | // sort view cells to visualize the largest view cells
|
---|
[694] | 4208 | if (sortViewCells)
|
---|
[801] | 4209 | {
|
---|
| 4210 | //stable_sort(mViewCells.begin(), mViewCells.end(), ViewCell::SmallerPvs);
|
---|
| 4211 | stable_sort(mViewCells.begin(), mViewCells.end(), ViewCell::LargerRenderCost);
|
---|
| 4212 | }
|
---|
| 4213 |
|
---|
[503] | 4214 | int limit = min(leafOut, (int)mViewCells.size());
|
---|
[483] | 4215 |
|
---|
[639] | 4216 | int raysOut = 0;
|
---|
[587] | 4217 |
|
---|
[485] | 4218 | //-- some rays for output
|
---|
[478] | 4219 | for (int i = 0; i < limit; ++ i)
|
---|
[442] | 4220 | {
|
---|
[478] | 4221 | cout << "creating output for view cell " << i << " ... ";
|
---|
[503] | 4222 |
|
---|
[582] | 4223 | ViewCell *vc;
|
---|
[574] | 4224 |
|
---|
[694] | 4225 | if (sortViewCells) // largest view cell pvs first
|
---|
[582] | 4226 | vc = mViewCells[i];
|
---|
[574] | 4227 | else
|
---|
[639] | 4228 | vc = mViewCells[(int)RandomValue(0, (float)mViewCells.size() - 1)];
|
---|
[442] | 4229 |
|
---|
[801] | 4230 | ObjectPvs pvs;
|
---|
| 4231 | mViewCellsTree->GetPvs(vc, pvs);
|
---|
| 4232 |
|
---|
[639] | 4233 | //bspLeaves[j]->Mail();
|
---|
[1020] | 4234 | char s[64]; sprintf(s, "bsp-pvs%04d.wrl", i);
|
---|
[639] | 4235 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
| 4236 |
|
---|
[1142] | 4237 | Debug << i << ": pvs size=" << (int)mViewCellsTree->GetPvsSize(vc) << endl;
|
---|
[587] | 4238 |
|
---|
[801] | 4239 | //-- export the sample rays
|
---|
[1020] | 4240 | if (mExportRays)
|
---|
[442] | 4241 | {
|
---|
[694] | 4242 | // output rays stored with the view cells during subdivision
|
---|
[1047] | 4243 | if (1)
|
---|
[442] | 4244 | {
|
---|
[639] | 4245 | VssRayContainer vcRays;
|
---|
| 4246 | VssRayContainer collectRays;
|
---|
| 4247 |
|
---|
| 4248 | raysOut = min((int)rays.size(), 100);
|
---|
| 4249 |
|
---|
| 4250 | // collect intial view cells
|
---|
| 4251 | ViewCellContainer leaves;
|
---|
| 4252 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 4253 |
|
---|
| 4254 | ViewCellContainer::const_iterator vit, vit_end = leaves.end();
|
---|
| 4255 |
|
---|
| 4256 | for (vit = leaves.begin(); vit != vit_end; ++ vit)
|
---|
[574] | 4257 | {
|
---|
[639] | 4258 | BspLeaf *vcLeaf = dynamic_cast<BspViewCell *>(*vit)->mLeaf;
|
---|
| 4259 |
|
---|
| 4260 | VssRayContainer::const_iterator rit, rit_end = vcLeaf->mVssRays.end();
|
---|
[587] | 4261 |
|
---|
[639] | 4262 | for (rit = vcLeaf->mVssRays.begin(); rit != rit_end; ++ rit)
|
---|
| 4263 | {
|
---|
| 4264 | collectRays.push_back(*rit);
|
---|
| 4265 | }
|
---|
[574] | 4266 | }
|
---|
[639] | 4267 |
|
---|
| 4268 | VssRayContainer::const_iterator rit, rit_end = collectRays.end();
|
---|
| 4269 |
|
---|
| 4270 | for (rit = collectRays.begin(); rit != rit_end; ++ rit)
|
---|
| 4271 | {
|
---|
| 4272 | float p = RandomValue(0.0f, (float)collectRays.size());
|
---|
| 4273 |
|
---|
| 4274 | if (p < raysOut)
|
---|
| 4275 | vcRays.push_back(*rit);
|
---|
| 4276 | }
|
---|
[801] | 4277 |
|
---|
[1052] | 4278 | //Debug << "#rays: " << (int)vcRays.size() << endl;
|
---|
[1047] | 4279 |
|
---|
[639] | 4280 | //-- export rays piercing this view cell
|
---|
| 4281 | exporter->ExportRays(vcRays, RgbColor(1, 1, 1));
|
---|
[442] | 4282 | }
|
---|
[651] | 4283 |
|
---|
[694] | 4284 | // associate new rays with output view cell
|
---|
[1047] | 4285 | if (0)
|
---|
[639] | 4286 | {
|
---|
| 4287 | VssRayContainer vcRays;
|
---|
| 4288 | raysOut = min((int)rays.size(), mVisualizationSamples);
|
---|
[801] | 4289 |
|
---|
[639] | 4290 | // check whether we can add the current ray to the output rays
|
---|
| 4291 | for (int k = 0; k < raysOut; ++ k)
|
---|
| 4292 | {
|
---|
| 4293 | VssRay *ray = rays[k];
|
---|
| 4294 | for (int j = 0; j < (int)ray->mViewCells.size(); ++ j)
|
---|
| 4295 | {
|
---|
| 4296 | ViewCell *rayvc = ray->mViewCells[j];
|
---|
| 4297 |
|
---|
| 4298 | if (rayvc == vc)
|
---|
| 4299 | vcRays.push_back(ray);
|
---|
| 4300 | }
|
---|
| 4301 | }
|
---|
| 4302 |
|
---|
| 4303 | //-- export rays piercing this view cell
|
---|
| 4304 | exporter->ExportRays(vcRays, RgbColor(1, 1, 0));
|
---|
| 4305 | }
|
---|
| 4306 |
|
---|
[442] | 4307 | }
|
---|
[639] | 4308 |
|
---|
[1416] | 4309 | ////////////////
|
---|
[1020] | 4310 | //-- export view cell geometry
|
---|
[1416] | 4311 |
|
---|
[478] | 4312 | exporter->SetWireframe();
|
---|
[442] | 4313 |
|
---|
[478] | 4314 | Material m;//= RandomMaterial();
|
---|
| 4315 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 4316 | exporter->SetForcedMaterial(m);
|
---|
[442] | 4317 |
|
---|
[1416] | 4318 | ExportViewCellGeometry(exporter, vc, NULL, NULL);
|
---|
[639] | 4319 | exporter->SetFilled();
|
---|
[503] | 4320 |
|
---|
[574] | 4321 | if (1)
|
---|
| 4322 | {
|
---|
[1416] | 4323 | ////////
|
---|
| 4324 | //-- export pvs
|
---|
[639] | 4325 | ObjectPvsMap::const_iterator oit,
|
---|
[801] | 4326 | oit_end = pvs.mEntries.end();
|
---|
[483] | 4327 |
|
---|
[801] | 4328 | Intersectable::NewMail();
|
---|
[580] | 4329 |
|
---|
[639] | 4330 | // output PVS of view cell
|
---|
[801] | 4331 | for (oit = pvs.mEntries.begin(); oit != oit_end; ++ oit)
|
---|
[639] | 4332 | {
|
---|
| 4333 | Intersectable *intersect = (*oit).first;
|
---|
[442] | 4334 |
|
---|
[639] | 4335 | if (!intersect->Mailed())
|
---|
| 4336 | {
|
---|
[643] | 4337 | m = RandomMaterial();
|
---|
| 4338 | exporter->SetForcedMaterial(m);
|
---|
[442] | 4339 |
|
---|
[639] | 4340 | exporter->ExportIntersectable(intersect);
|
---|
| 4341 | intersect->Mail();
|
---|
| 4342 | }
|
---|
[503] | 4343 | }
|
---|
[442] | 4344 | }
|
---|
[801] | 4345 |
|
---|
| 4346 | if (0)
|
---|
| 4347 | { // export scene geometry
|
---|
[643] | 4348 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 4349 | exporter->SetForcedMaterial(m);
|
---|
| 4350 |
|
---|
[639] | 4351 | exporter->ExportGeometry(objects);
|
---|
| 4352 | }
|
---|
[503] | 4353 |
|
---|
[478] | 4354 | DEL_PTR(exporter);
|
---|
| 4355 | cout << "finished" << endl;
|
---|
[442] | 4356 | }
|
---|
[475] | 4357 |
|
---|
| 4358 | Debug << endl;
|
---|
[442] | 4359 | }
|
---|
| 4360 |
|
---|
| 4361 |
|
---|
[1021] | 4362 | void VspBspViewCellsManager::TestFilter(const ObjectContainer &objects)
|
---|
[697] | 4363 | {
|
---|
[1021] | 4364 | Exporter *exporter = Exporter::GetExporter("filter.x3d");
|
---|
[697] | 4365 |
|
---|
[1021] | 4366 | Vector3 bsize = mViewSpaceBox.Size();
|
---|
| 4367 | const Vector3 viewPoint(mViewSpaceBox.Center());
|
---|
| 4368 | float w = Magnitude(mViewSpaceBox.Size()) * mFilterWidth;
|
---|
| 4369 | const Vector3 width = Vector3(w);
|
---|
| 4370 |
|
---|
| 4371 | PrVs testPrVs;
|
---|
| 4372 |
|
---|
| 4373 | if (exporter)
|
---|
| 4374 | {
|
---|
| 4375 | ViewCellContainer viewCells;
|
---|
| 4376 |
|
---|
| 4377 | const AxisAlignedBox3 tbox = GetFilterBBox(viewPoint, mFilterWidth);
|
---|
[697] | 4378 |
|
---|
[1021] | 4379 | GetPrVS(viewPoint, testPrVs, GetFilterWidth());
|
---|
[482] | 4380 |
|
---|
[1021] | 4381 | exporter->SetWireframe();
|
---|
[482] | 4382 |
|
---|
[1021] | 4383 | exporter->SetForcedMaterial(RgbColor(1,1,1));
|
---|
| 4384 | exporter->ExportBox(tbox);
|
---|
| 4385 |
|
---|
| 4386 | exporter->SetFilled();
|
---|
[503] | 4387 |
|
---|
[1021] | 4388 | exporter->SetForcedMaterial(RgbColor(0,1,0));
|
---|
[1416] | 4389 | ExportViewCellGeometry(exporter, GetViewCell(viewPoint), NULL, NULL);
|
---|
[564] | 4390 |
|
---|
[1021] | 4391 | //exporter->ResetForcedMaterial();
|
---|
| 4392 | exporter->SetForcedMaterial(RgbColor(0,0,1));
|
---|
[1416] | 4393 | ExportViewCellGeometry(exporter, testPrVs.mViewCell, NULL, NULL);
|
---|
[591] | 4394 |
|
---|
[1021] | 4395 | exporter->SetForcedMaterial(RgbColor(1,0,0));
|
---|
| 4396 | exporter->ExportGeometry(objects);
|
---|
[547] | 4397 |
|
---|
[1021] | 4398 | delete exporter;
|
---|
[482] | 4399 | }
|
---|
[1021] | 4400 | }
|
---|
[482] | 4401 |
|
---|
[547] | 4402 |
|
---|
[1021] | 4403 | int VspBspViewCellsManager::ComputeBoxIntersections(const AxisAlignedBox3 &box,
|
---|
| 4404 | ViewCellContainer &viewCells) const
|
---|
| 4405 | {
|
---|
| 4406 | return mVspBspTree->ComputeBoxIntersections(box, viewCells);
|
---|
[482] | 4407 | }
|
---|
| 4408 |
|
---|
| 4409 |
|
---|
[1021] | 4410 | int VspBspViewCellsManager::CastLineSegment(const Vector3 &origin,
|
---|
| 4411 | const Vector3 &termination,
|
---|
| 4412 | ViewCellContainer &viewcells)
|
---|
| 4413 | {
|
---|
| 4414 | return mVspBspTree->CastLineSegment(origin, termination, viewcells);
|
---|
| 4415 | }
|
---|
| 4416 |
|
---|
| 4417 |
|
---|
[979] | 4418 | void VspBspViewCellsManager::VisualizeWithFromPointQueries()
|
---|
| 4419 | {
|
---|
| 4420 | int numSamples;
|
---|
[1161] | 4421 |
|
---|
[1004] | 4422 | Environment::GetSingleton()->GetIntValue("RenderSampler.samples", numSamples);
|
---|
[979] | 4423 | cout << "samples" << numSamples << endl;
|
---|
| 4424 |
|
---|
| 4425 | vector<RenderCostSample> samples;
|
---|
| 4426 |
|
---|
[1145] | 4427 | if (!mPreprocessor->GetRenderer())
|
---|
[979] | 4428 | return;
|
---|
| 4429 |
|
---|
[1145] | 4430 | //start the view point queries
|
---|
[979] | 4431 | long startTime = GetTime();
|
---|
| 4432 | cout << "starting sampling of render cost ... ";
|
---|
| 4433 |
|
---|
[1145] | 4434 | mPreprocessor->GetRenderer()->SampleRenderCost(numSamples, samples, true);
|
---|
[979] | 4435 |
|
---|
| 4436 | cout << "finished in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
| 4437 |
|
---|
| 4438 |
|
---|
[1161] | 4439 | // for each sample:
|
---|
| 4440 | // find view cells associated with the samples
|
---|
| 4441 | // store the sample pvs with the pvs associated with the view cell
|
---|
[1415] | 4442 | //
|
---|
[1161] | 4443 | // for each view cell:
|
---|
| 4444 | // compute difference point sampled pvs - view cell pvs
|
---|
| 4445 | // export geometry with color coded pvs difference
|
---|
| 4446 |
|
---|
| 4447 | std::map<ViewCell *, ObjectPvs> sampleMap;
|
---|
| 4448 |
|
---|
[979] | 4449 | vector<RenderCostSample>::const_iterator rit, rit_end = samples.end();
|
---|
| 4450 |
|
---|
[1161] | 4451 | for (rit = samples.begin(); rit != rit_end; ++ rit)
|
---|
| 4452 | {
|
---|
| 4453 | RenderCostSample sample = *rit;
|
---|
| 4454 |
|
---|
| 4455 | ViewCell *vc = GetViewCell(sample.mPosition);
|
---|
[991] | 4456 |
|
---|
[1161] | 4457 | std::map<ViewCell *, ObjectPvs>::iterator it = sampleMap.find(vc);
|
---|
| 4458 |
|
---|
| 4459 | if (it == sampleMap.end())
|
---|
| 4460 | {
|
---|
| 4461 | sampleMap[vc] = sample.mPvs;
|
---|
| 4462 | }
|
---|
| 4463 | else
|
---|
| 4464 | {
|
---|
| 4465 | (*it).second.Merge(sample.mPvs);
|
---|
| 4466 | }
|
---|
| 4467 | }
|
---|
| 4468 |
|
---|
| 4469 | // visualize the view cells
|
---|
| 4470 | std::map<ViewCell *, ObjectPvs>::const_iterator vit, vit_end = sampleMap.end();
|
---|
| 4471 |
|
---|
| 4472 | Material m;//= RandomMaterial();
|
---|
| 4473 |
|
---|
| 4474 | for (vit = sampleMap.begin(); vit != vit_end; ++ vit)
|
---|
| 4475 | {
|
---|
| 4476 | ViewCell *vc = (*vit).first;
|
---|
| 4477 |
|
---|
| 4478 | const int pvsVc = mViewCellsTree->GetPvsEntries(vc);
|
---|
[1168] | 4479 | const int pvsPtSamples = (*vit).second.GetSize();
|
---|
[1161] | 4480 |
|
---|
[1168] | 4481 | m.mDiffuseColor.r = (float) (pvsVc - pvsPtSamples);
|
---|
[1161] | 4482 | m.mDiffuseColor.b = 1.0f;
|
---|
| 4483 | //exporter->SetForcedMaterial(m);
|
---|
[1416] | 4484 | //ExportViewCellGeometry(exporter, vc, mClipPlaneForViz);
|
---|
[1161] | 4485 |
|
---|
[1415] | 4486 | /* // counting the pvss
|
---|
| 4487 | for (rit = samples.begin(); rit != rit_end; ++ rit)
|
---|
| 4488 | {
|
---|
| 4489 | RenderCostSample sample = *rit;
|
---|
| 4490 | ViewCell *vc = GetViewCell(sample.mPosition);
|
---|
[1161] | 4491 |
|
---|
[1415] | 4492 | AxisAlignedBox3 box(sample.mPosition - Vector3(1, 1, 1), sample.mPosition + Vector3(1, 1, 1));
|
---|
| 4493 | Mesh *hMesh = CreateMeshFromBox(box);
|
---|
[1001] | 4494 |
|
---|
[1415] | 4495 | DEL_PTR(hMesh);
|
---|
| 4496 | }
|
---|
| 4497 | */
|
---|
[979] | 4498 | }
|
---|
| 4499 | }
|
---|
| 4500 |
|
---|
| 4501 |
|
---|
[580] | 4502 | void VspBspViewCellsManager::ExportViewCellGeometry(Exporter *exporter,
|
---|
[1416] | 4503 | ViewCell *vc,
|
---|
| 4504 | const AxisAlignedBox3 *sceneBox,
|
---|
| 4505 | const AxisAlignedPlane *clipPlane
|
---|
| 4506 | ) const
|
---|
[482] | 4507 | {
|
---|
[660] | 4508 | if (clipPlane)
|
---|
[591] | 4509 | {
|
---|
[1047] | 4510 | const Plane3 plane = clipPlane->GetPlane();
|
---|
| 4511 |
|
---|
[591] | 4512 | ViewCellContainer leaves;
|
---|
| 4513 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 4514 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 4515 |
|
---|
| 4516 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 4517 | {
|
---|
| 4518 | BspNodeGeometry geom;
|
---|
| 4519 |
|
---|
| 4520 | BspNodeGeometry front;
|
---|
| 4521 | BspNodeGeometry back;
|
---|
| 4522 |
|
---|
| 4523 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(*it)->mLeaf;
|
---|
| 4524 | mVspBspTree->ConstructGeometry(leaf, geom);
|
---|
| 4525 |
|
---|
[1052] | 4526 | const float eps = 0.0001f;
|
---|
[1047] | 4527 | const int cf = geom.Side(plane, eps);
|
---|
[682] | 4528 |
|
---|
[710] | 4529 | if (cf == -1)
|
---|
[682] | 4530 | {
|
---|
| 4531 | exporter->ExportPolygons(geom.GetPolys());
|
---|
| 4532 | }
|
---|
[710] | 4533 | else if (cf == 0)
|
---|
[684] | 4534 | {
|
---|
[682] | 4535 | geom.SplitGeometry(front,
|
---|
| 4536 | back,
|
---|
[1047] | 4537 | plane,
|
---|
[682] | 4538 | mViewSpaceBox,
|
---|
[710] | 4539 | eps);
|
---|
[682] | 4540 |
|
---|
[694] | 4541 | //Debug << "geo size: " << geom.Size() << endl;
|
---|
| 4542 | //Debug << "size b: " << back.Size() << " f: " << front.Size() << endl;
|
---|
[801] | 4543 |
|
---|
[683] | 4544 | if (back.Valid())
|
---|
| 4545 | {
|
---|
[682] | 4546 | exporter->ExportPolygons(back.GetPolys());
|
---|
[708] | 4547 | }
|
---|
[684] | 4548 | }
|
---|
[591] | 4549 | }
|
---|
| 4550 | }
|
---|
| 4551 | else
|
---|
| 4552 | {
|
---|
[801] | 4553 | // export mesh if available
|
---|
[1001] | 4554 | // TODO: some bug here?
|
---|
| 4555 | if (0 && vc->GetMesh())
|
---|
[801] | 4556 | {
|
---|
| 4557 | exporter->ExportMesh(vc->GetMesh());
|
---|
| 4558 | }
|
---|
| 4559 | else
|
---|
[1001] | 4560 | {
|
---|
[801] | 4561 | BspNodeGeometry geom;
|
---|
| 4562 | mVspBspTree->ConstructGeometry(vc, geom);
|
---|
| 4563 | exporter->ExportPolygons(geom.GetPolys());
|
---|
[1001] | 4564 | }
|
---|
[591] | 4565 | }
|
---|
[482] | 4566 | }
|
---|
| 4567 |
|
---|
| 4568 |
|
---|
| 4569 | int VspBspViewCellsManager::GetMaxTreeDiff(ViewCell *vc) const
|
---|
| 4570 | {
|
---|
[580] | 4571 | ViewCellContainer leaves;
|
---|
| 4572 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
[482] | 4573 |
|
---|
| 4574 | int maxDist = 0;
|
---|
[580] | 4575 |
|
---|
[482] | 4576 | // compute max height difference
|
---|
[580] | 4577 | for (int i = 0; i < (int)leaves.size(); ++ i)
|
---|
[1001] | 4578 | {
|
---|
[580] | 4579 | for (int j = 0; j < (int)leaves.size(); ++ j)
|
---|
[1001] | 4580 | {
|
---|
| 4581 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(leaves[i])->mLeaf;
|
---|
[482] | 4582 |
|
---|
[1001] | 4583 | if (i != j)
|
---|
| 4584 | {
|
---|
| 4585 | BspLeaf *leaf2 =dynamic_cast<BspViewCell *>(leaves[j])->mLeaf;
|
---|
| 4586 |
|
---|
| 4587 | int dist = mVspBspTree->TreeDistance(leaf, leaf2);
|
---|
| 4588 |
|
---|
| 4589 | if (dist > maxDist)
|
---|
| 4590 | maxDist = dist;
|
---|
| 4591 | }
|
---|
[482] | 4592 | }
|
---|
| 4593 | }
|
---|
[580] | 4594 |
|
---|
[492] | 4595 | return maxDist;
|
---|
| 4596 | }
|
---|
[482] | 4597 |
|
---|
[492] | 4598 |
|
---|
[879] | 4599 | ViewCell *VspBspViewCellsManager::GetViewCell(const Vector3 &point, const bool active) const
|
---|
[492] | 4600 | {
|
---|
[1021] | 4601 | if (!ViewCellsConstructed())
|
---|
[508] | 4602 | return NULL;
|
---|
[572] | 4603 |
|
---|
| 4604 | if (!mViewSpaceBox.IsInside(point))
|
---|
| 4605 | return NULL;
|
---|
| 4606 |
|
---|
[879] | 4607 | return mVspBspTree->GetViewCell(point, active);
|
---|
[492] | 4608 | }
|
---|
[503] | 4609 |
|
---|
| 4610 |
|
---|
| 4611 | void VspBspViewCellsManager::CreateMesh(ViewCell *vc)
|
---|
| 4612 | {
|
---|
[726] | 4613 | //if (vc->GetMesh()) delete vc->GetMesh();
|
---|
[503] | 4614 | BspNodeGeometry geom;
|
---|
[590] | 4615 |
|
---|
| 4616 | mVspBspTree->ConstructGeometry(vc, geom);
|
---|
[582] | 4617 |
|
---|
[1001] | 4618 | Mesh *mesh = MeshManager::GetSingleton()->CreateResource();
|
---|
[840] | 4619 | IncludeNodeGeomInMesh(geom, *mesh);
|
---|
| 4620 |
|
---|
[503] | 4621 | vc->SetMesh(mesh);
|
---|
| 4622 | }
|
---|
[508] | 4623 |
|
---|
| 4624 |
|
---|
[532] | 4625 | int VspBspViewCellsManager::CastBeam(Beam &beam)
|
---|
| 4626 | {
|
---|
[535] | 4627 | return mVspBspTree->CastBeam(beam);
|
---|
[532] | 4628 | }
|
---|
[551] | 4629 |
|
---|
| 4630 |
|
---|
[587] | 4631 | void VspBspViewCellsManager::Finalize(ViewCell *viewCell,
|
---|
| 4632 | const bool createMesh)
|
---|
[551] | 4633 | {
|
---|
| 4634 | float area = 0;
|
---|
| 4635 | float volume = 0;
|
---|
| 4636 |
|
---|
[580] | 4637 | ViewCellContainer leaves;
|
---|
[582] | 4638 | mViewCellsTree->CollectLeaves(viewCell, leaves);
|
---|
[580] | 4639 |
|
---|
| 4640 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 4641 |
|
---|
[693] | 4642 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
[551] | 4643 | {
|
---|
| 4644 | BspNodeGeometry geom;
|
---|
[580] | 4645 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(*it)->mLeaf;
|
---|
[551] | 4646 | mVspBspTree->ConstructGeometry(leaf, geom);
|
---|
| 4647 |
|
---|
[719] | 4648 | const float lVol = geom.GetVolume();
|
---|
| 4649 | const float lArea = geom.GetArea();
|
---|
[693] | 4650 |
|
---|
| 4651 | //(*it)->SetVolume(vol);
|
---|
| 4652 | //(*it)->SetArea(area);
|
---|
| 4653 |
|
---|
| 4654 | area += lArea;
|
---|
| 4655 | volume += lVol;
|
---|
| 4656 |
|
---|
| 4657 | CreateMesh(*it);
|
---|
[551] | 4658 | }
|
---|
| 4659 |
|
---|
| 4660 | viewCell->SetVolume(volume);
|
---|
| 4661 | viewCell->SetArea(area);
|
---|
[563] | 4662 | }
|
---|
[575] | 4663 |
|
---|
| 4664 |
|
---|
[693] | 4665 | void VspBspViewCellsManager::TestSubdivision()
|
---|
| 4666 | {
|
---|
| 4667 | ViewCellContainer leaves;
|
---|
| 4668 | mViewCellsTree->CollectLeaves(mViewCellsTree->GetRoot(), leaves);
|
---|
| 4669 |
|
---|
| 4670 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 4671 |
|
---|
| 4672 | const float vol = mViewSpaceBox.GetVolume();
|
---|
| 4673 | float subdivVol = 0;
|
---|
| 4674 | float newVol = 0;
|
---|
| 4675 |
|
---|
| 4676 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 4677 | {
|
---|
| 4678 | BspNodeGeometry geom;
|
---|
| 4679 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(*it)->mLeaf;
|
---|
| 4680 | mVspBspTree->ConstructGeometry(leaf, geom);
|
---|
| 4681 |
|
---|
| 4682 | const float lVol = geom.GetVolume();
|
---|
| 4683 |
|
---|
| 4684 | newVol += lVol;
|
---|
| 4685 | subdivVol += (*it)->GetVolume();
|
---|
[697] | 4686 |
|
---|
[704] | 4687 | float thres = 0.9f;
|
---|
[697] | 4688 | if ((lVol < ((*it)->GetVolume() * thres)) || (lVol * thres > ((*it)->GetVolume())))
|
---|
| 4689 | Debug << "warning: " << lVol << " " << (*it)->GetVolume() << endl;
|
---|
[693] | 4690 | }
|
---|
| 4691 |
|
---|
| 4692 | Debug << "exact volume: " << vol << endl;
|
---|
| 4693 | Debug << "subdivision volume: " << subdivVol << endl;
|
---|
| 4694 | Debug << "new volume: " << newVol << endl;
|
---|
| 4695 | }
|
---|
| 4696 |
|
---|
| 4697 |
|
---|
[577] | 4698 | void VspBspViewCellsManager::PrepareLoadedViewCells()
|
---|
| 4699 | {
|
---|
| 4700 | // TODO: do I still need this here?
|
---|
[590] | 4701 | if (0)
|
---|
[693] | 4702 | mVspBspTree->RepairViewCellsLeafLists();
|
---|
[577] | 4703 | }
|
---|
[575] | 4704 |
|
---|
[1021] | 4705 |
|
---|
| 4706 |
|
---|
| 4707 | /**************************************************************************/
|
---|
[1047] | 4708 | /* VspOspViewCellsManager implementation */
|
---|
[1021] | 4709 | /**************************************************************************/
|
---|
| 4710 |
|
---|
| 4711 |
|
---|
[1278] | 4712 | VspOspViewCellsManager::VspOspViewCellsManager(ViewCellsTree *vcTree, HierarchyManager *hm)
|
---|
| 4713 | : ViewCellsManager(vcTree), mHierarchyManager(hm)
|
---|
[859] | 4714 | {
|
---|
[1027] | 4715 | Environment::GetSingleton()->GetIntValue("VspTree.Construction.samples", mInitialSamples);
|
---|
[1106] | 4716 |
|
---|
[1278] | 4717 | mHierarchyManager->SetViewCellsManager(this);
|
---|
| 4718 | mHierarchyManager->SetViewCellsTree(mViewCellsTree);
|
---|
[1021] | 4719 | }
|
---|
[859] | 4720 |
|
---|
| 4721 |
|
---|
[1021] | 4722 | VspOspViewCellsManager::~VspOspViewCellsManager()
|
---|
| 4723 | {
|
---|
| 4724 | }
|
---|
| 4725 |
|
---|
| 4726 |
|
---|
| 4727 | float VspOspViewCellsManager::GetProbability(ViewCell *viewCell)
|
---|
| 4728 | {
|
---|
| 4729 | return GetVolume(viewCell) / mViewSpaceBox.GetVolume();
|
---|
| 4730 | }
|
---|
| 4731 |
|
---|
| 4732 |
|
---|
| 4733 | void VspOspViewCellsManager::CollectViewCells()
|
---|
| 4734 | {
|
---|
| 4735 | // view cells tree constructed
|
---|
| 4736 | if (!ViewCellsTreeConstructed())
|
---|
| 4737 | {
|
---|
[1278] | 4738 | mHierarchyManager->GetVspTree()->CollectViewCells(mViewCells, false);
|
---|
[1021] | 4739 | }
|
---|
| 4740 | else
|
---|
| 4741 | { // we can use the view cells tree hierarchy to get the right set
|
---|
| 4742 | mViewCellsTree->CollectBestViewCellSet(mViewCells, mNumActiveViewCells);
|
---|
| 4743 | }
|
---|
| 4744 | }
|
---|
| 4745 |
|
---|
| 4746 |
|
---|
| 4747 | bool VspOspViewCellsManager::ViewCellsConstructed() const
|
---|
| 4748 | {
|
---|
[1278] | 4749 | return mHierarchyManager->GetVspTree()->GetRoot() != NULL;
|
---|
[1021] | 4750 | }
|
---|
| 4751 |
|
---|
| 4752 |
|
---|
| 4753 | ViewCell *VspOspViewCellsManager::GenerateViewCell(Mesh *mesh) const
|
---|
| 4754 | {
|
---|
| 4755 | return new VspViewCell(mesh);
|
---|
| 4756 | }
|
---|
| 4757 |
|
---|
| 4758 |
|
---|
| 4759 | int VspOspViewCellsManager::ConstructSubdivision(const ObjectContainer &objects,
|
---|
| 4760 | const VssRayContainer &rays)
|
---|
| 4761 | {
|
---|
| 4762 | mMaxPvsSize = (int)(mMaxPvsRatio * (float)objects.size());
|
---|
| 4763 |
|
---|
[1074] | 4764 | // skip rest if view cells were already constructed
|
---|
[1021] | 4765 | if (ViewCellsConstructed())
|
---|
| 4766 | return 0;
|
---|
| 4767 |
|
---|
| 4768 | int sampleContributions = 0;
|
---|
| 4769 |
|
---|
| 4770 | VssRayContainer sampleRays;
|
---|
| 4771 |
|
---|
| 4772 | int limit = min (mInitialSamples, (int)rays.size());
|
---|
| 4773 |
|
---|
| 4774 | VssRayContainer constructionRays;
|
---|
| 4775 | VssRayContainer savedRays;
|
---|
| 4776 |
|
---|
| 4777 | Debug << "samples used for vsp bsp subdivision: " << mInitialSamples
|
---|
| 4778 | << ", actual rays: " << (int)rays.size() << endl;
|
---|
| 4779 |
|
---|
| 4780 | GetRaySets(rays, mInitialSamples, constructionRays, &savedRays);
|
---|
| 4781 |
|
---|
[1421] | 4782 | Debug << "initial rays used for construction: " << (int)constructionRays.size() << endl;
|
---|
[1021] | 4783 | Debug << "saved rays: " << (int)savedRays.size() << endl;
|
---|
| 4784 |
|
---|
[1293] | 4785 | mHierarchyManager->Construct(constructionRays, objects, &mViewSpaceBox);
|
---|
[1142] | 4786 |
|
---|
[1178] | 4787 | VssRayContainer::const_iterator vit, vit_end = constructionRays.end();
|
---|
[1180] | 4788 |
|
---|
[1178] | 4789 | for (vit = constructionRays.begin(); vit != vit_end; ++ vit)
|
---|
| 4790 | {
|
---|
| 4791 | storedRays.push_back(new VssRay(*(*vit)));
|
---|
| 4792 | }
|
---|
[1176] | 4793 |
|
---|
[1444] | 4794 | ////////////
|
---|
| 4795 | //-- print satistics for subdivision and view cells
|
---|
| 4796 |
|
---|
[1421] | 4797 | Debug << endl << endl << *mHierarchyManager << endl;
|
---|
[1021] | 4798 |
|
---|
[1444] | 4799 | ResetViewCells();
|
---|
| 4800 | Debug << "\nView cells after construction:\n" << mCurrentViewCellsStats << endl;
|
---|
| 4801 |
|
---|
[1278] | 4802 | if (0)
|
---|
| 4803 | {
|
---|
| 4804 | OUT_STREAM stream("osptree.xml.zip");
|
---|
| 4805 | mHierarchyManager->ExportObjectSpaceHierarchy(stream);
|
---|
| 4806 | }
|
---|
[1201] | 4807 |
|
---|
[1021] | 4808 |
|
---|
[1444] | 4809 | //////////
|
---|
| 4810 | //-- recast rest of rays
|
---|
| 4811 |
|
---|
[1286] | 4812 | const long startTime = GetTime();
|
---|
[1021] | 4813 | cout << "Computing remaining ray contributions ... ";
|
---|
| 4814 |
|
---|
| 4815 | if (SAMPLE_AFTER_SUBDIVISION)
|
---|
| 4816 | ComputeSampleContributions(savedRays, true, false);
|
---|
| 4817 |
|
---|
[1415] | 4818 | Debug << "finished computing remaining ray contribution in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
[1021] | 4819 | << " secs" << endl;
|
---|
| 4820 |
|
---|
| 4821 | if (0)
|
---|
| 4822 | {
|
---|
[1415] | 4823 | // real meshes are constructed at this stage
|
---|
[1021] | 4824 | cout << "finalizing view cells ... ";
|
---|
| 4825 | FinalizeViewCells(true);
|
---|
| 4826 | cout << "finished" << endl;
|
---|
| 4827 | }
|
---|
| 4828 |
|
---|
| 4829 | return sampleContributions;
|
---|
| 4830 | }
|
---|
| 4831 |
|
---|
| 4832 |
|
---|
| 4833 | int VspOspViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
| 4834 | const VssRayContainer &rays)
|
---|
| 4835 | {
|
---|
| 4836 | if (!ViewCellsConstructed())
|
---|
| 4837 | {
|
---|
| 4838 | Debug << "postprocess error: no view cells constructed" << endl;
|
---|
| 4839 | return 0;
|
---|
| 4840 | }
|
---|
| 4841 |
|
---|
[1418] | 4842 | // if view cells were already constructed before post processing step
|
---|
| 4843 | // (e.g., because they were loaded), we are finished
|
---|
[1021] | 4844 | if (mViewCellsFinished)
|
---|
| 4845 | {
|
---|
| 4846 | FinalizeViewCells(true);
|
---|
| 4847 | EvaluateViewCellsStats();
|
---|
| 4848 |
|
---|
| 4849 | return 0;
|
---|
| 4850 | }
|
---|
| 4851 |
|
---|
| 4852 | // check if new view cells turned invalid
|
---|
| 4853 | int minPvs, maxPvs;
|
---|
| 4854 |
|
---|
| 4855 | if (0)
|
---|
| 4856 | {
|
---|
| 4857 | minPvs = mMinPvsSize;
|
---|
| 4858 | maxPvs = mMaxPvsSize;
|
---|
| 4859 | }
|
---|
| 4860 | else
|
---|
| 4861 | {
|
---|
[1414] | 4862 | // problem matt: why did I start here from zero?
|
---|
| 4863 | minPvs = 0;
|
---|
[1021] | 4864 | maxPvs = mMaxPvsSize;
|
---|
| 4865 | }
|
---|
| 4866 |
|
---|
| 4867 | Debug << "setting validity, min: " << minPvs << " max: " << maxPvs << endl;
|
---|
| 4868 | cout << "setting validity, min: " << minPvs << " max: " << maxPvs << endl;
|
---|
| 4869 |
|
---|
| 4870 | SetValidity(minPvs, maxPvs);
|
---|
| 4871 |
|
---|
| 4872 |
|
---|
[1414] | 4873 | // area is not up to date, has to be recomputed
|
---|
[1021] | 4874 | mTotalAreaValid = false;
|
---|
| 4875 | VssRayContainer postProcessRays;
|
---|
| 4876 | GetRaySets(rays, mPostProcessSamples, postProcessRays);
|
---|
| 4877 |
|
---|
| 4878 | Debug << "post processing using " << (int)postProcessRays.size() << " samples" << endl;
|
---|
| 4879 |
|
---|
| 4880 |
|
---|
| 4881 | // should maybe be done here to allow merge working with area or volume
|
---|
| 4882 | // and to correct the rendering statistics
|
---|
| 4883 | if (0) FinalizeViewCells(false);
|
---|
| 4884 |
|
---|
| 4885 | // compute tree by merging the nodes of the spatial hierarchy
|
---|
[1278] | 4886 | ViewCell *root = ConstructSpatialMergeTree(mHierarchyManager->GetVspTree()->GetRoot());
|
---|
[1021] | 4887 | mViewCellsTree->SetRoot(root);
|
---|
| 4888 |
|
---|
[1418] | 4889 |
|
---|
| 4890 | //////////////////////////
|
---|
[1414] | 4891 | //-- update pvs in the whole hierarchy
|
---|
[1021] | 4892 | ObjectPvs pvs;
|
---|
| 4893 | UpdatePvsForEvaluation(root, pvs);
|
---|
| 4894 |
|
---|
[1414] | 4895 |
|
---|
[1418] | 4896 | //////////////////////
|
---|
[1021] | 4897 | //-- render simulation after merge + refine
|
---|
[1414] | 4898 |
|
---|
[1415] | 4899 | cout << "\nview cells partition render time before compress" << endl << endl;
|
---|
[1021] | 4900 | dynamic_cast<RenderSimulator *>(mRenderer)->RenderScene();
|
---|
| 4901 | SimulationStatistics ss;
|
---|
| 4902 | dynamic_cast<RenderSimulator *>(mRenderer)->GetStatistics(ss);
|
---|
| 4903 | cout << ss << endl;
|
---|
[1414] | 4904 |
|
---|
[1418] | 4905 | ///////////////
|
---|
[1021] | 4906 | //-- compression
|
---|
[1262] | 4907 |
|
---|
[1021] | 4908 | if (ViewCellsTreeConstructed() && mCompressViewCells)
|
---|
| 4909 | {
|
---|
[1161] | 4910 | int pvsEntries = mViewCellsTree->GetStoredPvsEntriesNum(mViewCellsTree->GetRoot());
|
---|
[1021] | 4911 | Debug << "number of entries before compress: " << pvsEntries << endl;
|
---|
[859] | 4912 |
|
---|
[1021] | 4913 | mViewCellsTree->SetViewCellsStorage(ViewCellsTree::COMPRESSED);
|
---|
[859] | 4914 |
|
---|
[1161] | 4915 | pvsEntries = mViewCellsTree->GetStoredPvsEntriesNum(mViewCellsTree->GetRoot());
|
---|
[1021] | 4916 | Debug << "number of entries after compress: " << pvsEntries << endl;
|
---|
[859] | 4917 | }
|
---|
[1021] | 4918 |
|
---|
[1418] | 4919 | ///////////////
|
---|
[1414] | 4920 | //-- compute final meshes and volume / area
|
---|
[1021] | 4921 | if (1) FinalizeViewCells(true);
|
---|
| 4922 |
|
---|
[1418] | 4923 | // write out view cells (this moved to preprocessor)
|
---|
| 4924 | if (0 && mExportViewCells)
|
---|
[1021] | 4925 | {
|
---|
| 4926 | char filename[100];
|
---|
| 4927 | Environment::GetSingleton()->GetStringValue("ViewCells.filename", filename);
|
---|
| 4928 | ExportViewCells(filename, mExportPvs, objects);
|
---|
| 4929 | }
|
---|
| 4930 |
|
---|
| 4931 | return 0;
|
---|
[859] | 4932 | }
|
---|
| 4933 |
|
---|
[1021] | 4934 |
|
---|
| 4935 | int VspOspViewCellsManager::GetType() const
|
---|
[884] | 4936 | {
|
---|
[1021] | 4937 | return VSP_OSP;
|
---|
| 4938 | }
|
---|
[859] | 4939 |
|
---|
[1021] | 4940 |
|
---|
| 4941 | ViewCell *VspOspViewCellsManager::ConstructSpatialMergeTree(VspNode *root)
|
---|
| 4942 | {
|
---|
| 4943 | // terminate recursion
|
---|
| 4944 | if (root->IsLeaf())
|
---|
| 4945 | {
|
---|
| 4946 | VspLeaf *leaf = dynamic_cast<VspLeaf *>(root);
|
---|
| 4947 | leaf->GetViewCell()->SetMergeCost(0.0f);
|
---|
| 4948 | return leaf->GetViewCell();
|
---|
| 4949 | }
|
---|
| 4950 |
|
---|
| 4951 | VspInterior *interior = dynamic_cast<VspInterior *>(root);
|
---|
| 4952 | ViewCellInterior *viewCellInterior = new ViewCellInterior();
|
---|
| 4953 |
|
---|
| 4954 | // evaluate merge cost for priority traversal
|
---|
| 4955 | float mergeCost = 1.0f / (float)root->mTimeStamp;
|
---|
| 4956 | viewCellInterior->SetMergeCost(mergeCost);
|
---|
| 4957 |
|
---|
| 4958 | float volume = 0;
|
---|
| 4959 |
|
---|
| 4960 | VspNode *front = interior->GetFront();
|
---|
| 4961 | VspNode *back = interior->GetBack();
|
---|
| 4962 |
|
---|
| 4963 |
|
---|
| 4964 | ObjectPvs frontPvs, backPvs;
|
---|
| 4965 |
|
---|
| 4966 | //-- recursivly compute child hierarchies
|
---|
| 4967 | ViewCell *backVc = ConstructSpatialMergeTree(back);
|
---|
| 4968 | ViewCell *frontVc = ConstructSpatialMergeTree(front);
|
---|
| 4969 |
|
---|
| 4970 |
|
---|
| 4971 | viewCellInterior->SetupChildLink(backVc);
|
---|
| 4972 | viewCellInterior->SetupChildLink(frontVc);
|
---|
| 4973 |
|
---|
| 4974 | volume += backVc->GetVolume();
|
---|
| 4975 | volume += frontVc->GetVolume();
|
---|
| 4976 |
|
---|
| 4977 | viewCellInterior->SetVolume(volume);
|
---|
| 4978 |
|
---|
| 4979 | return viewCellInterior;
|
---|
| 4980 | }
|
---|
| 4981 |
|
---|
| 4982 |
|
---|
| 4983 | bool VspOspViewCellsManager::GetViewPoint(Vector3 &viewPoint) const
|
---|
| 4984 | {
|
---|
| 4985 | if (!ViewCellsConstructed())
|
---|
| 4986 | return ViewCellsManager::GetViewPoint(viewPoint);
|
---|
| 4987 |
|
---|
| 4988 | // TODO: set reasonable limit
|
---|
| 4989 | const int limit = 20;
|
---|
| 4990 |
|
---|
| 4991 | for (int i = 0; i < limit; ++ i)
|
---|
| 4992 | {
|
---|
| 4993 | viewPoint = mViewSpaceBox.GetRandomPoint();
|
---|
[1047] | 4994 |
|
---|
[1278] | 4995 | if (mHierarchyManager->GetVspTree()->ViewPointValid(viewPoint))
|
---|
[1021] | 4996 | {
|
---|
| 4997 | return true;
|
---|
| 4998 | }
|
---|
[904] | 4999 | }
|
---|
[859] | 5000 |
|
---|
[1021] | 5001 | Debug << "failed to find valid view point, taking " << viewPoint << endl;
|
---|
| 5002 | return false;
|
---|
[884] | 5003 | }
|
---|
| 5004 |
|
---|
| 5005 |
|
---|
[1027] | 5006 | void VspOspViewCellsManager::ExportViewCellGeometry(Exporter *exporter,
|
---|
| 5007 | ViewCell *vc,
|
---|
[1416] | 5008 | const AxisAlignedBox3 *sceneBox,
|
---|
| 5009 | const AxisAlignedPlane *clipPlane
|
---|
| 5010 | ) const
|
---|
[1027] | 5011 | {
|
---|
| 5012 | ViewCellContainer leaves;
|
---|
| 5013 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 5014 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 5015 |
|
---|
[1047] | 5016 | Plane3 plane;
|
---|
| 5017 | if (clipPlane)
|
---|
[1418] | 5018 | {
|
---|
| 5019 | // arbitrary plane definition
|
---|
[1047] | 5020 | plane = clipPlane->GetPlane();
|
---|
[1418] | 5021 | }
|
---|
[1047] | 5022 |
|
---|
[1027] | 5023 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 5024 | {
|
---|
| 5025 | VspViewCell *vspVc = dynamic_cast<VspViewCell *>(*it);
|
---|
| 5026 | VspLeaf *l = vspVc->mLeaf;
|
---|
| 5027 |
|
---|
[1416] | 5028 | const AxisAlignedBox3 box =
|
---|
| 5029 | mHierarchyManager->GetVspTree()->GetBoundingBox(vspVc->mLeaf);
|
---|
[1047] | 5030 |
|
---|
[1418] | 5031 | if (sceneBox && !Overlap(*sceneBox, box))
|
---|
[1415] | 5032 | continue;
|
---|
| 5033 |
|
---|
[1047] | 5034 | if (clipPlane)
|
---|
| 5035 | {
|
---|
| 5036 | if (box.Side(plane) == -1)
|
---|
[1144] | 5037 | {
|
---|
[1047] | 5038 | exporter->ExportBox(box);
|
---|
[1144] | 5039 | }
|
---|
[1047] | 5040 | else if (box.Side(plane) == 0)
|
---|
| 5041 | {
|
---|
[1418] | 5042 | // intersection
|
---|
[1047] | 5043 | AxisAlignedBox3 fbox, bbox;
|
---|
[1418] | 5044 | box.Split(clipPlane->mAxis, clipPlane->mPosition, fbox, bbox);
|
---|
[1047] | 5045 | exporter->ExportBox(bbox);
|
---|
| 5046 | }
|
---|
| 5047 | }
|
---|
| 5048 | else
|
---|
| 5049 | {
|
---|
[1027] | 5050 | exporter->ExportBox(box);
|
---|
[1047] | 5051 | }
|
---|
[1027] | 5052 | }
|
---|
| 5053 | }
|
---|
| 5054 |
|
---|
| 5055 |
|
---|
[1021] | 5056 | bool VspOspViewCellsManager::ViewPointValid(const Vector3 &viewPoint) const
|
---|
| 5057 | {
|
---|
| 5058 | // $$JB -> implemented in viewcellsmanager (slower, but allows dynamic
|
---|
| 5059 | // validy update in preprocessor for all managers)
|
---|
| 5060 | return ViewCellsManager::ViewPointValid(viewPoint);
|
---|
[884] | 5061 |
|
---|
[1021] | 5062 | // return mViewSpaceBox.IsInside(viewPoint) &&
|
---|
[1027] | 5063 | // mVspTree->ViewPointValid(viewPoint);
|
---|
[1021] | 5064 | }
|
---|
| 5065 |
|
---|
| 5066 |
|
---|
| 5067 | void VspOspViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
| 5068 | const VssRayContainer &sampleRays)
|
---|
[859] | 5069 | {
|
---|
[997] | 5070 | if (!ViewCellsConstructed())
|
---|
| 5071 | return;
|
---|
[1027] | 5072 |
|
---|
[1021] | 5073 | VssRayContainer visRays;
|
---|
| 5074 | GetRaySets(sampleRays, mVisualizationSamples, visRays);
|
---|
[997] | 5075 |
|
---|
[1021] | 5076 | if (1)
|
---|
[1047] | 5077 | {
|
---|
[1416] | 5078 | ////////////
|
---|
[1106] | 5079 | //-- export final view cells
|
---|
| 5080 |
|
---|
[1415] | 5081 | // hack color code (show pvs size)
|
---|
[1021] | 5082 | const int savedColorCode = mColorCode;
|
---|
[1047] | 5083 | mColorCode = 0;
|
---|
[1021] | 5084 |
|
---|
| 5085 | Exporter *exporter = Exporter::GetExporter("final_view_cells.wrl");
|
---|
| 5086 |
|
---|
| 5087 | if (exporter)
|
---|
| 5088 | {
|
---|
[1415] | 5089 | const long starttime = GetTime();
|
---|
| 5090 | cout << "exporting final view cells (after initial construction + post process) ... ";
|
---|
[859] | 5091 |
|
---|
[1418] | 5092 | // matt: hack for clamping scene
|
---|
[1416] | 5093 | AxisAlignedBox3 bbox = mHierarchyManager->GetViewSpaceBox();
|
---|
| 5094 | bbox.Scale(Vector3(0.5, 1, 0.5));
|
---|
[1418] | 5095 |
|
---|
| 5096 | exporter->SetWireframe();
|
---|
| 5097 | exporter->ExportBox(bbox);
|
---|
| 5098 | exporter->SetFilled();
|
---|
| 5099 |
|
---|
| 5100 | if (0 && mExportGeometry)
|
---|
[1021] | 5101 | {
|
---|
[1416] | 5102 | exporter->ExportGeometry(objects, true, &bbox);
|
---|
[1021] | 5103 | }
|
---|
[859] | 5104 |
|
---|
[1021] | 5105 | // export rays
|
---|
[1072] | 5106 | if (0 && mExportRays)
|
---|
[1021] | 5107 | {
|
---|
| 5108 | exporter->ExportRays(visRays, RgbColor(0, 1, 0));
|
---|
| 5109 | }
|
---|
[1416] | 5110 |
|
---|
[1418] | 5111 | mHierarchyManager->ExportObjectSpaceHierarchy(exporter, objects, &bbox, false);
|
---|
| 5112 | ExportViewCellsForViz(exporter, &bbox, GetClipPlane());
|
---|
[1420] | 5113 |
|
---|
[1021] | 5114 | delete exporter;
|
---|
[1415] | 5115 | cout << "finished in " << TimeDiff(starttime, GetTime()) * 1e-3f << " secs" << endl;
|
---|
[1021] | 5116 | }
|
---|
| 5117 |
|
---|
| 5118 | mColorCode = savedColorCode;
|
---|
| 5119 | }
|
---|
| 5120 |
|
---|
[1287] | 5121 | if (1)
|
---|
| 5122 | {
|
---|
| 5123 | // export final object partition
|
---|
| 5124 | Exporter *exporter = Exporter::GetExporter("final_object_partition.wrl");
|
---|
| 5125 |
|
---|
| 5126 | if (exporter)
|
---|
| 5127 | {
|
---|
[1415] | 5128 | const long starttime = GetTime();
|
---|
[1416] | 5129 |
|
---|
| 5130 | // matt: hack
|
---|
| 5131 | AxisAlignedBox3 bbox = mHierarchyManager->GetObjectSpaceBox();
|
---|
| 5132 | bbox.Scale(Vector3(0.5, 1, 0.5));
|
---|
[1415] | 5133 |
|
---|
[1287] | 5134 | cout << "exporting object space hierarchy ... ";
|
---|
[1416] | 5135 | mHierarchyManager->ExportObjectSpaceHierarchy(exporter, objects, &bbox);
|
---|
[1287] | 5136 |
|
---|
| 5137 | delete exporter;
|
---|
[1415] | 5138 | cout << "finished in " << TimeDiff(starttime, GetTime()) * 1e-3f << " secs" << endl;
|
---|
[1287] | 5139 | }
|
---|
| 5140 | }
|
---|
[1121] | 5141 |
|
---|
[1287] | 5142 | // export pvss of some view cell
|
---|
[1074] | 5143 | ExportPvs(objects, visRays);
|
---|
[859] | 5144 | }
|
---|
| 5145 |
|
---|
[1021] | 5146 |
|
---|
[1074] | 5147 | void VspOspViewCellsManager::ExportPvs(const ObjectContainer &objects,
|
---|
| 5148 | const VssRayContainer &rays)
|
---|
[697] | 5149 | {
|
---|
[1021] | 5150 | int leafOut;
|
---|
| 5151 | Environment::GetSingleton()->GetIntValue("ViewCells.Visualization.maxOutput", leafOut);
|
---|
[580] | 5152 |
|
---|
[1021] | 5153 | ViewCell::NewMail();
|
---|
| 5154 |
|
---|
| 5155 | cout << "visualization using " << (int)rays.size() << " samples" << endl;
|
---|
| 5156 | Debug << "visualization using " << (int)rays.size() << " samples" << endl;
|
---|
[1419] | 5157 |
|
---|
[1418] | 5158 | const bool sortedViewCells = false;
|
---|
[1021] | 5159 |
|
---|
[1418] | 5160 | if (sortedViewCells)
|
---|
[697] | 5161 | {
|
---|
[1415] | 5162 | // sort view cells to visualize the view cells with highest render cost
|
---|
[1021] | 5163 | stable_sort(mViewCells.begin(), mViewCells.end(), ViewCell::LargerRenderCost);
|
---|
| 5164 | }
|
---|
| 5165 |
|
---|
| 5166 | int limit = min(leafOut, (int)mViewCells.size());
|
---|
| 5167 | int raysOut = 0;
|
---|
| 5168 |
|
---|
[1419] | 5169 | cout << "\nOutput of " << limit << " view cells: " << endl;
|
---|
| 5170 |
|
---|
[1418] | 5171 | ///////////////
|
---|
[1021] | 5172 | //-- some rays for output
|
---|
[1178] | 5173 |
|
---|
[1021] | 5174 | for (int i = 0; i < limit; ++ i)
|
---|
| 5175 | {
|
---|
| 5176 | cout << "creating output for view cell " << i << " ... ";
|
---|
[1418] | 5177 |
|
---|
| 5178 | // largest view cell pvs first of random view cell
|
---|
| 5179 | ViewCell *vc = sortedViewCells ?
|
---|
| 5180 | mViewCells[i] : mViewCells[(int)RandomValue(0, (float)mViewCells.size() - 1)];
|
---|
| 5181 |
|
---|
[1021] | 5182 | ObjectPvs pvs;
|
---|
| 5183 | mViewCellsTree->GetPvs(vc, pvs);
|
---|
[704] | 5184 |
|
---|
[1021] | 5185 | char s[64]; sprintf(s, "bsp-pvs%04d.wrl", i);
|
---|
| 5186 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
| 5187 |
|
---|
[1142] | 5188 | Debug << i << ": pvs size=" << (int)mViewCellsTree->GetPvsSize(vc) << endl;
|
---|
[1021] | 5189 |
|
---|
[1418] | 5190 | ////////////
|
---|
[1021] | 5191 | //-- export the sample rays
|
---|
[1418] | 5192 |
|
---|
[1074] | 5193 | if (1 || mExportRays)
|
---|
[1021] | 5194 | {
|
---|
| 5195 | // output rays stored with the view cells during subdivision
|
---|
[1047] | 5196 | if (1)
|
---|
[1021] | 5197 | {
|
---|
| 5198 | VssRayContainer vcRays;
|
---|
| 5199 | VssRayContainer collectRays;
|
---|
| 5200 |
|
---|
| 5201 | raysOut = min((int)rays.size(), 100);
|
---|
| 5202 |
|
---|
| 5203 | // collect intial view cells
|
---|
| 5204 | ViewCellContainer leaves;
|
---|
| 5205 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 5206 |
|
---|
| 5207 | ViewCellContainer::const_iterator vit, vit_end = leaves.end();
|
---|
| 5208 |
|
---|
| 5209 | for (vit = leaves.begin(); vit != vit_end; ++ vit)
|
---|
| 5210 | {
|
---|
[1047] | 5211 | VspLeaf *vcLeaf = dynamic_cast<VspViewCell *>(*vit)->mLeaf;
|
---|
[1021] | 5212 | VssRayContainer::const_iterator rit, rit_end = vcLeaf->mVssRays.end();
|
---|
| 5213 |
|
---|
| 5214 | for (rit = vcLeaf->mVssRays.begin(); rit != rit_end; ++ rit)
|
---|
| 5215 | {
|
---|
| 5216 | collectRays.push_back(*rit);
|
---|
| 5217 | }
|
---|
| 5218 | }
|
---|
| 5219 |
|
---|
| 5220 | VssRayContainer::const_iterator rit, rit_end = collectRays.end();
|
---|
| 5221 |
|
---|
| 5222 | for (rit = collectRays.begin(); rit != rit_end; ++ rit)
|
---|
| 5223 | {
|
---|
[1418] | 5224 | const float p = RandomValue(0.0f, (float)collectRays.size());
|
---|
[1021] | 5225 |
|
---|
| 5226 | if (p < raysOut)
|
---|
| 5227 | vcRays.push_back(*rit);
|
---|
| 5228 | }
|
---|
[1418] | 5229 |
|
---|
[1021] | 5230 | //-- export rays piercing this view cell
|
---|
| 5231 | exporter->ExportRays(vcRays, RgbColor(1, 1, 1));
|
---|
| 5232 |
|
---|
[1418] | 5233 | //-- export objects seen from the rays
|
---|
| 5234 | Intersectable::NewMail();
|
---|
[1419] | 5235 |
|
---|
| 5236 | VssRayContainer::const_iterator vcit, vcit_end = vcRays.end();
|
---|
[1418] | 5237 | for (vcit = vcRays.begin(); vcit != vcit_end; ++ vcit)
|
---|
[1021] | 5238 | {
|
---|
[1418] | 5239 | VssRay *ray = *vcit;
|
---|
| 5240 | //Intersectable *obj = ray->mTerminationObject;
|
---|
| 5241 | Intersectable *obj = mHierarchyManager->GetIntersectable(*ray, true);
|
---|
| 5242 |
|
---|
| 5243 | if (obj && !obj->Mailed())
|
---|
[1021] | 5244 | {
|
---|
[1418] | 5245 | obj->Mail();
|
---|
[1419] | 5246 | exporter->ExportIntersectable(obj);
|
---|
[1021] | 5247 | }
|
---|
[1418] | 5248 | }
|
---|
[1021] | 5249 | }
|
---|
| 5250 | }
|
---|
| 5251 |
|
---|
[1415] | 5252 | /////////////////
|
---|
[1021] | 5253 | //-- export view cell geometry
|
---|
[1121] | 5254 |
|
---|
[697] | 5255 | exporter->SetWireframe();
|
---|
| 5256 |
|
---|
[1416] | 5257 | Material m;
|
---|
[1021] | 5258 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 5259 | exporter->SetForcedMaterial(m);
|
---|
| 5260 |
|
---|
[1416] | 5261 | ExportViewCellGeometry(exporter, vc, NULL, NULL);
|
---|
[697] | 5262 | exporter->SetFilled();
|
---|
| 5263 |
|
---|
[1021] | 5264 | DEL_PTR(exporter);
|
---|
| 5265 | cout << "finished" << endl;
|
---|
[697] | 5266 | }
|
---|
[1021] | 5267 |
|
---|
| 5268 | Debug << endl;
|
---|
[697] | 5269 | }
|
---|
| 5270 |
|
---|
| 5271 |
|
---|
[1021] | 5272 | int VspOspViewCellsManager::ComputeBoxIntersections(const AxisAlignedBox3 &box,
|
---|
| 5273 | ViewCellContainer &viewCells) const
|
---|
| 5274 | {
|
---|
[1278] | 5275 | return mHierarchyManager->GetVspTree()->ComputeBoxIntersections(box, viewCells);
|
---|
[1021] | 5276 | }
|
---|
[580] | 5277 |
|
---|
[1021] | 5278 |
|
---|
| 5279 | int VspOspViewCellsManager::CastLineSegment(const Vector3 &origin,
|
---|
| 5280 | const Vector3 &termination,
|
---|
| 5281 | ViewCellContainer &viewcells)
|
---|
| 5282 | {
|
---|
[1278] | 5283 | return mHierarchyManager->GetVspTree()->CastLineSegment(origin, termination, viewcells);
|
---|
[1021] | 5284 | }
|
---|
| 5285 |
|
---|
| 5286 |
|
---|
| 5287 | bool VspOspViewCellsManager::ExportViewCells(const string filename,
|
---|
| 5288 | const bool exportPvs,
|
---|
| 5289 | const ObjectContainer &objects)
|
---|
| 5290 | {
|
---|
| 5291 | if (!ViewCellsConstructed() || !ViewCellsTreeConstructed())
|
---|
| 5292 | return false;
|
---|
| 5293 |
|
---|
[1415] | 5294 | const long starttime = GetTime();
|
---|
[1021] | 5295 | cout << "exporting view cells to xml ... ";
|
---|
| 5296 |
|
---|
[1201] | 5297 | OUT_STREAM stream(filename.c_str());
|
---|
[1021] | 5298 |
|
---|
| 5299 | // for output we need unique ids for each view cell
|
---|
| 5300 | CreateUniqueViewCellIds();
|
---|
| 5301 |
|
---|
| 5302 | stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"<<endl;
|
---|
| 5303 | stream << "<VisibilitySolution>" << endl;
|
---|
| 5304 |
|
---|
| 5305 |
|
---|
[1344] | 5306 | //////////////////////////////////////////////////////////////
|
---|
[1021] | 5307 | //-- export bounding boxes
|
---|
[1415] | 5308 | //-- The bounding boxes are used to identify
|
---|
| 5309 | //-- the objects in the rendering engine
|
---|
[1201] | 5310 |
|
---|
[1021] | 5311 | stream << "<BoundingBoxes>" << endl;
|
---|
| 5312 | ObjectContainer::const_iterator oit, oit_end = objects.end();
|
---|
| 5313 |
|
---|
| 5314 | for (oit = objects.begin(); oit != oit_end; ++ oit)
|
---|
[580] | 5315 | {
|
---|
[1344] | 5316 | const AxisAlignedBox3 box = (*oit)->GetBox();
|
---|
| 5317 | stream << "<BoundingBox" << " id=\"" << (*oit)->GetId() << "\""
|
---|
[1021] | 5318 | << " min=\"" << box.Min().x << " " << box.Min().y << " " << box.Min().z << "\""
|
---|
| 5319 | << " max=\"" << box.Max().x << " " << box.Max().y << " " << box.Max().z << "\" />" << endl;
|
---|
[580] | 5320 | }
|
---|
[1021] | 5321 | stream << "</BoundingBoxes>" << endl;
|
---|
| 5322 |
|
---|
[1415] | 5323 |
|
---|
| 5324 | //////////////////////////
|
---|
[1021] | 5325 | //-- export the view cells and the pvs
|
---|
| 5326 |
|
---|
| 5327 | const int numViewCells = mCurrentViewCellsStats.viewCells;
|
---|
| 5328 |
|
---|
| 5329 | stream << "<ViewCells number=\"" << numViewCells << "\" >" << endl;
|
---|
| 5330 | mViewCellsTree->Export(stream, exportPvs);
|
---|
| 5331 | stream << "</ViewCells>" << endl;
|
---|
| 5332 |
|
---|
[1415] | 5333 | //////////////////////
|
---|
[1201] | 5334 | //-- export the view space hierarchy
|
---|
[1021] | 5335 |
|
---|
[1262] | 5336 | stream << "<ViewSpaceHierarchy type=\"vsp\""
|
---|
| 5337 | << " min=\"" << mViewSpaceBox.Min().x << " " << mViewSpaceBox.Min().y << " " << mViewSpaceBox.Min().z << "\""
|
---|
[1286] | 5338 | << " max=\"" << mViewSpaceBox.Max().x << " " << mViewSpaceBox.Max().y << " " << mViewSpaceBox.Max().z << "\">" << endl;
|
---|
[1262] | 5339 |
|
---|
[1278] | 5340 | mHierarchyManager->GetVspTree()->Export(stream);
|
---|
[1286] | 5341 | stream << "</ViewSpaceHierarchy>" << endl;
|
---|
[1021] | 5342 |
|
---|
[1415] | 5343 | //////////////////////
|
---|
[1201] | 5344 | //-- export the object space partition
|
---|
| 5345 |
|
---|
[1278] | 5346 | mHierarchyManager->ExportObjectSpaceHierarchy(stream);
|
---|
| 5347 |
|
---|
[1201] | 5348 | stream << "</VisibilitySolution>" << endl;
|
---|
[1021] | 5349 | stream.close();
|
---|
[1201] | 5350 |
|
---|
[1415] | 5351 | cout << "finished in " << TimeDiff(starttime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
[1021] | 5352 | return true;
|
---|
| 5353 | }
|
---|
| 5354 |
|
---|
| 5355 |
|
---|
| 5356 |
|
---|
[1027] | 5357 | ViewCell *VspOspViewCellsManager::GetViewCell(const Vector3 &point,
|
---|
| 5358 | const bool active) const
|
---|
[1021] | 5359 | {
|
---|
| 5360 | if (!ViewCellsConstructed())
|
---|
| 5361 | return NULL;
|
---|
| 5362 | if (!mViewSpaceBox.IsInside(point))
|
---|
[1418] | 5363 | return NULL;
|
---|
[1278] | 5364 | return mHierarchyManager->GetVspTree()->GetViewCell(point, active);
|
---|
[1021] | 5365 | }
|
---|
| 5366 |
|
---|
| 5367 |
|
---|
| 5368 | void VspOspViewCellsManager::CreateMesh(ViewCell *vc)
|
---|
| 5369 | {
|
---|
| 5370 | // matt: TODO
|
---|
| 5371 | Mesh *mesh = MeshManager::GetSingleton()->CreateResource();
|
---|
[1027] | 5372 |
|
---|
| 5373 | ViewCellContainer leaves;
|
---|
| 5374 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 5375 |
|
---|
| 5376 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 5377 |
|
---|
| 5378 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 5379 | {
|
---|
| 5380 | VspLeaf *leaf = dynamic_cast<VspViewCell *>(*it)->mLeaf;
|
---|
[1278] | 5381 | const AxisAlignedBox3 box = mHierarchyManager->GetVspTree()->GetBoundingBox(leaf);
|
---|
[1027] | 5382 |
|
---|
| 5383 | IncludeBoxInMesh(box, *mesh);
|
---|
| 5384 | }
|
---|
| 5385 |
|
---|
[1021] | 5386 | vc->SetMesh(mesh);
|
---|
| 5387 | }
|
---|
| 5388 |
|
---|
| 5389 |
|
---|
| 5390 | int VspOspViewCellsManager::CastBeam(Beam &beam)
|
---|
| 5391 | {
|
---|
| 5392 | // matt: TODO
|
---|
| 5393 | return 0;
|
---|
| 5394 | }
|
---|
| 5395 |
|
---|
| 5396 |
|
---|
| 5397 | void VspOspViewCellsManager::Finalize(ViewCell *viewCell,
|
---|
| 5398 | const bool createMesh)
|
---|
| 5399 | {
|
---|
| 5400 | float area = 0;
|
---|
| 5401 | float volume = 0;
|
---|
| 5402 |
|
---|
| 5403 | ViewCellContainer leaves;
|
---|
| 5404 | mViewCellsTree->CollectLeaves(viewCell, leaves);
|
---|
| 5405 |
|
---|
| 5406 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 5407 |
|
---|
| 5408 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
[580] | 5409 | {
|
---|
[1027] | 5410 | VspLeaf *leaf = dynamic_cast<VspViewCell *>(*it)->mLeaf;
|
---|
| 5411 |
|
---|
[1278] | 5412 | const AxisAlignedBox3 box = mHierarchyManager->GetVspTree()->GetBoundingBox(leaf);
|
---|
[1021] | 5413 |
|
---|
[1027] | 5414 | const float lVol = box.GetVolume();
|
---|
| 5415 | const float lArea = box.SurfaceArea();
|
---|
[1021] | 5416 |
|
---|
| 5417 | //(*it)->SetVolume(vol);
|
---|
| 5418 | //(*it)->SetArea(area);
|
---|
| 5419 |
|
---|
| 5420 | area += lArea;
|
---|
| 5421 | volume += lVol;
|
---|
| 5422 |
|
---|
| 5423 | CreateMesh(*it);
|
---|
[580] | 5424 | }
|
---|
| 5425 |
|
---|
[1021] | 5426 | viewCell->SetVolume(volume);
|
---|
| 5427 | viewCell->SetArea(area);
|
---|
[580] | 5428 | }
|
---|
[1021] | 5429 |
|
---|
[580] | 5430 |
|
---|
[1159] | 5431 | float VspOspViewCellsManager::ComputeSampleContribution(VssRay &ray,
|
---|
| 5432 | const bool addRays,
|
---|
| 5433 | const bool storeViewCells)
|
---|
| 5434 | {
|
---|
| 5435 | ViewCellContainer viewcells;
|
---|
| 5436 |
|
---|
| 5437 | ray.mPvsContribution = 0;
|
---|
| 5438 | ray.mRelativePvsContribution = 0.0f;
|
---|
| 5439 |
|
---|
| 5440 | static Ray hray;
|
---|
| 5441 | hray.Init(ray);
|
---|
| 5442 | //hray.mFlags |= Ray::CULL_BACKFACES;
|
---|
| 5443 | //Ray hray(ray);
|
---|
| 5444 |
|
---|
| 5445 | float tmin = 0, tmax = 1.0;
|
---|
| 5446 |
|
---|
| 5447 | if (!GetViewSpaceBox().GetRaySegment(hray, tmin, tmax) || (tmin > tmax))
|
---|
| 5448 | return 0;
|
---|
| 5449 |
|
---|
| 5450 | Vector3 origin = hray.Extrap(tmin);
|
---|
| 5451 | Vector3 termination = hray.Extrap(tmax);
|
---|
| 5452 |
|
---|
[1291] | 5453 | ViewCell::NewMail();
|
---|
| 5454 |
|
---|
[1159] | 5455 | // traverse the view space subdivision
|
---|
| 5456 | CastLineSegment(origin, termination, viewcells);
|
---|
| 5457 |
|
---|
| 5458 | if (storeViewCells)
|
---|
[1291] | 5459 | {
|
---|
| 5460 | // copy viewcells memory efficiently
|
---|
[1159] | 5461 | ray.mViewCells.reserve(viewcells.size());
|
---|
| 5462 | ray.mViewCells = viewcells;
|
---|
| 5463 | }
|
---|
| 5464 |
|
---|
| 5465 | ViewCellContainer::const_iterator it = viewcells.begin();
|
---|
| 5466 |
|
---|
| 5467 | for (; it != viewcells.end(); ++ it)
|
---|
| 5468 | {
|
---|
| 5469 | ViewCell *viewcell = *it;
|
---|
| 5470 |
|
---|
| 5471 | if (viewcell->GetValid())
|
---|
| 5472 | {
|
---|
| 5473 | // if ray not outside of view space
|
---|
| 5474 | float contribution;
|
---|
| 5475 |
|
---|
| 5476 | if (ray.mTerminationObject)
|
---|
| 5477 | {
|
---|
[1168] | 5478 | // todo: maybe not correct for kd node pvs
|
---|
[1159] | 5479 | if (viewcell->GetPvs().GetSampleContribution(ray.mTerminationObject,
|
---|
| 5480 | ray.mPdf, contribution))
|
---|
| 5481 | {
|
---|
| 5482 | ++ ray.mPvsContribution;
|
---|
| 5483 | }
|
---|
| 5484 |
|
---|
| 5485 | ray.mRelativePvsContribution += contribution;
|
---|
| 5486 | }
|
---|
| 5487 |
|
---|
| 5488 | // for directional sampling it is important to count only contributions
|
---|
[1444] | 5489 | // made in one direction!
|
---|
| 5490 | // the other contributions of this sample will be counted for the opposite ray!
|
---|
[1166] | 5491 | #if SAMPLE_ORIGIN_OBJECTS
|
---|
[1159] | 5492 | if (ray.mOriginObject &&
|
---|
| 5493 | viewcell->GetPvs().GetSampleContribution(ray.mOriginObject,
|
---|
| 5494 | ray.mPdf,
|
---|
| 5495 | contribution))
|
---|
| 5496 | {
|
---|
| 5497 | ++ ray.mPvsContribution;
|
---|
| 5498 | ray.mRelativePvsContribution += contribution;
|
---|
| 5499 | }
|
---|
| 5500 | #endif
|
---|
| 5501 | }
|
---|
| 5502 | }
|
---|
| 5503 |
|
---|
[1259] | 5504 | if (!addRays)
|
---|
| 5505 | return ray.mRelativePvsContribution;
|
---|
| 5506 |
|
---|
| 5507 | // sampled objects are stored in the pvs
|
---|
| 5508 | for (it = viewcells.begin(); it != viewcells.end(); ++ it)
|
---|
[1159] | 5509 | {
|
---|
[1259] | 5510 | ViewCell *viewCell = *it;
|
---|
[1159] | 5511 |
|
---|
[1259] | 5512 | if (!viewCell->GetValid())
|
---|
| 5513 | break;
|
---|
[1159] | 5514 |
|
---|
[1259] | 5515 | AddSampleToPvs(
|
---|
| 5516 | ray.mTerminationObject,
|
---|
| 5517 | ray.mTermination,
|
---|
| 5518 | viewCell,
|
---|
| 5519 | ray.mPdf,
|
---|
| 5520 | ray.mRelativePvsContribution);
|
---|
| 5521 |
|
---|
[1166] | 5522 | #if SAMPLE_ORIGIN_OBJECTS
|
---|
[1168] | 5523 |
|
---|
[1259] | 5524 | AddSampleToPvs(
|
---|
| 5525 | ray.mOriginObject,
|
---|
| 5526 | ray.mOrigin,
|
---|
| 5527 | viewCell,
|
---|
| 5528 | ray.mPdf,
|
---|
| 5529 | ray.mRelativePvsContribution);
|
---|
| 5530 | #endif
|
---|
[1159] | 5531 | }
|
---|
| 5532 |
|
---|
| 5533 | return ray.mRelativePvsContribution;
|
---|
| 5534 | }
|
---|
| 5535 |
|
---|
| 5536 |
|
---|
[1259] | 5537 | bool VspOspViewCellsManager::AddSampleToPvs(Intersectable *obj,
|
---|
| 5538 | const Vector3 &hitPoint,
|
---|
| 5539 | ViewCell *vc,
|
---|
| 5540 | const float pdf,
|
---|
| 5541 | float &contribution) const
|
---|
| 5542 | {
|
---|
[1278] | 5543 | return mHierarchyManager->AddSampleToPvs(obj, hitPoint, vc, pdf, contribution);
|
---|
[1259] | 5544 | }
|
---|
| 5545 |
|
---|
| 5546 |
|
---|
[1021] | 5547 | void VspOspViewCellsManager::PrepareLoadedViewCells()
|
---|
| 5548 | {
|
---|
| 5549 | // TODO
|
---|
| 5550 | }
|
---|
[580] | 5551 |
|
---|
[1201] | 5552 |
|
---|
| 5553 | ViewCellsManager *VspOspViewCellsManager::LoadViewCells(const string &filename,
|
---|
| 5554 | ObjectContainer *objects,
|
---|
| 5555 | const bool finalizeViewCells,
|
---|
| 5556 | BoundingBoxConverter *bconverter)
|
---|
| 5557 |
|
---|
| 5558 | {
|
---|
| 5559 | ViewCellsManager *vm =
|
---|
| 5560 | ViewCellsManager::LoadViewCells(filename, objects, finalizeViewCells, bconverter);
|
---|
[1278] | 5561 | #if 0
|
---|
| 5562 | // insert scene objects in tree
|
---|
[1201] | 5563 | mOspTree->InsertObjects(mOspTree->GetRoot(), *objects);
|
---|
[1278] | 5564 | #endif
|
---|
[1201] | 5565 | return vm;
|
---|
| 5566 | }
|
---|
| 5567 |
|
---|
| 5568 |
|
---|
[1184] | 5569 | #if TEST_EVALUATION
|
---|
[1178] | 5570 | void VspOspViewCellsManager::EvalViewCellPartition()
|
---|
| 5571 | {
|
---|
[1180] | 5572 | int castSamples = (int)storedRays.size();
|
---|
[1178] | 5573 |
|
---|
| 5574 | char s[64];
|
---|
| 5575 | char statsPrefix[100];
|
---|
[1180] | 5576 |
|
---|
[1178] | 5577 | Environment::GetSingleton()->GetStringValue("ViewCells.Evaluation.statsPrefix", statsPrefix);
|
---|
| 5578 |
|
---|
| 5579 | Debug << "view cell stats prefix: " << statsPrefix << endl;
|
---|
| 5580 |
|
---|
| 5581 | // should directional sampling be used?
|
---|
| 5582 | bool dirSamples = (mEvaluationSamplingType == Preprocessor::DIRECTION_BASED_DISTRIBUTION);
|
---|
| 5583 |
|
---|
| 5584 | cout << "reseting pvs ... ";
|
---|
| 5585 | const bool startFromZero = true;
|
---|
| 5586 |
|
---|
| 5587 | // reset pvs and start over from zero
|
---|
| 5588 | if (startFromZero)
|
---|
| 5589 | {
|
---|
| 5590 | mViewCellsTree->ResetPvs();
|
---|
| 5591 | }
|
---|
[1444] | 5592 | else
|
---|
[1178] | 5593 | {
|
---|
[1444] | 5594 | // start from current sampless
|
---|
[1178] | 5595 | // statistics before casting more samples
|
---|
| 5596 | cout << "compute new statistics ... ";
|
---|
| 5597 | sprintf(s, "-%09d-eval.log", castSamples);
|
---|
| 5598 | string fName = string(statsPrefix) + string(s);
|
---|
| 5599 |
|
---|
| 5600 | mViewCellsTree->ExportStats(fName);
|
---|
| 5601 | cout << "finished" << endl;
|
---|
| 5602 | }
|
---|
| 5603 | cout << "finished" << endl;
|
---|
| 5604 |
|
---|
| 5605 | cout << "Evaluating view cell partition ... " << endl;
|
---|
| 5606 |
|
---|
| 5607 | VssRayContainer evaluationSamples = storedRays;
|
---|
| 5608 | const int samplingType = mEvaluationSamplingType;
|
---|
| 5609 |
|
---|
| 5610 | cout << "computing sample contributions of " << (int)evaluationSamples.size() << " samples ... ";
|
---|
| 5611 |
|
---|
| 5612 | ComputeSampleContributions(evaluationSamples, true, false);
|
---|
| 5613 |
|
---|
| 5614 | cout << "finished" << endl;
|
---|
| 5615 |
|
---|
| 5616 | cout << "compute new statistics ... ";
|
---|
| 5617 | Debug << "compute new statistics ... ";
|
---|
| 5618 |
|
---|
[1221] | 5619 | // propagate pvs or pvs size information
|
---|
[1178] | 5620 | ObjectPvs pvs;
|
---|
| 5621 | UpdatePvsForEvaluation(mViewCellsTree->GetRoot(), pvs);
|
---|
| 5622 |
|
---|
[1259] | 5623 | ///////////////////////////////////////
|
---|
| 5624 | //-- temporary matt: test render cost
|
---|
[1178] | 5625 |
|
---|
[1259] | 5626 | sprintf(s, "-%09d-eval.log", castSamples);
|
---|
| 5627 | string fileName = string(statsPrefix) + string(s);
|
---|
[1178] | 5628 |
|
---|
[1259] | 5629 | ViewCellContainer leaves;
|
---|
[1184] | 5630 |
|
---|
[1259] | 5631 | mViewCellsTree->CollectLeaves(mViewCellsTree->GetRoot(), leaves);
|
---|
| 5632 | float rc = 0;
|
---|
[1421] | 5633 |
|
---|
[1259] | 5634 | ViewCellContainer::const_iterator vit, vit_end = leaves.end();
|
---|
[1421] | 5635 |
|
---|
[1259] | 5636 | for (vit = leaves.begin(); vit != vit_end; ++ vit)
|
---|
| 5637 | {
|
---|
| 5638 | ViewCell *vc = *vit;
|
---|
[1184] | 5639 | int pvs = vc->GetPvs().CountObjectsInPvs();
|
---|
[1259] | 5640 | float vol = vc->GetVolume();
|
---|
| 5641 | rc += pvs * vol;
|
---|
[1184] | 5642 | }
|
---|
| 5643 |
|
---|
[1302] | 5644 | Debug << "\nrendercost hack: " << rc / mHierarchyManager->GetVspTree()->GetBoundingBox().GetVolume() << endl;
|
---|
[1178] | 5645 | mViewCellsTree->ExportStats(fileName);
|
---|
| 5646 | cout << "finished" << endl;
|
---|
| 5647 |
|
---|
| 5648 | disposeRays(evaluationSamples, NULL);
|
---|
| 5649 | }
|
---|
[1179] | 5650 | #endif
|
---|
[580] | 5651 |
|
---|
[860] | 5652 |
|
---|
[878] | 5653 | }
|
---|