1 | #include "OgreOcclusionCullingSceneManager.h"
|
---|
2 | #include "OgreVisibilityOptionsManager.h"
|
---|
3 | #include <OgreMath.h>
|
---|
4 | #include <OgreIteratorWrappers.h>
|
---|
5 | #include <OgreRenderSystem.h>
|
---|
6 | #include <OgreCamera.h>
|
---|
7 | #include <OgreLogManager.h>
|
---|
8 | #include <OgreStringConverter.h>
|
---|
9 | #include <OgreEntity.h>
|
---|
10 | #include <OgreSubEntity.h>
|
---|
11 | #include <OgreMaterialManager.h>
|
---|
12 | #include <OgreIteratorWrappers.h>
|
---|
13 | #include <OgreHeightmapTerrainPageSource.h>
|
---|
14 | #include "VspBspTree.h"
|
---|
15 | #include "Containers.h"
|
---|
16 | #include "ViewCellsManager.h"
|
---|
17 | #include <OgreConfigFile.h>
|
---|
18 | #include "OgreTypeConverter.h"
|
---|
19 | #include "OgreMeshInstance.h"
|
---|
20 | #include "common.h"
|
---|
21 | #include "OgreBoundingBoxConverter.h"
|
---|
22 | #include <OgreManualObject.h>
|
---|
23 | #include "IntersectableWrapper.h"
|
---|
24 | #include "IVReader.h"
|
---|
25 |
|
---|
26 |
|
---|
27 | namespace Ogre {
|
---|
28 |
|
---|
29 | //-----------------------------------------------------------------------
|
---|
30 | OcclusionCullingSceneManager::OcclusionCullingSceneManager(
|
---|
31 | const String& name,
|
---|
32 | GtpVisibility::VisibilityManager *visManager):
|
---|
33 | TerrainSceneManager(name),
|
---|
34 | mVisibilityManager(visManager),
|
---|
35 | mShowVisualization(false),
|
---|
36 | mRenderNodesForViz(false),
|
---|
37 | mRenderNodesContentForViz(false),
|
---|
38 | mVisualizeCulledNodes(false),
|
---|
39 | mLeavePassesInQueue(0),
|
---|
40 | mDelayRenderTransparents(true),
|
---|
41 | mUseDepthPass(false),
|
---|
42 | mIsDepthPassPhase(false),
|
---|
43 | mUseItemBuffer(false),
|
---|
44 | mIsItemBufferPhase(false),
|
---|
45 | mCurrentEntityId(1),
|
---|
46 | mEnableDepthWrite(true),
|
---|
47 | mSkipTransparents(false),
|
---|
48 | mRenderTransparentsForItemBuffer(true),
|
---|
49 | mExecuteVertexProgramForAllPasses(false),
|
---|
50 | mIsHierarchicalCulling(false),
|
---|
51 | mViewCellsLoaded(false),
|
---|
52 | mUseViewCells(false),
|
---|
53 | mUseVisibilityFilter(false),
|
---|
54 | mCurrentViewCell(NULL),
|
---|
55 | mElementaryViewCell(NULL),
|
---|
56 | mDeleteQueueAfterRendering(true),
|
---|
57 | mNormalExecution(false),
|
---|
58 | mShowViewCells(false),
|
---|
59 | mViewCellsGeometryLoaded(false),
|
---|
60 | mShowTerrain(false),
|
---|
61 | mViewCellsFilename(""),
|
---|
62 | mFilename("terrain")
|
---|
63 | {
|
---|
64 | Ogre::LogManager::getSingleton().
|
---|
65 | logMessage("creating occlusion culling scene manager");
|
---|
66 |
|
---|
67 | mHierarchyInterface = new OctreeHierarchyInterface(this, mDestRenderSystem);
|
---|
68 |
|
---|
69 | if (0)
|
---|
70 | {
|
---|
71 | mDisplayNodes = true;
|
---|
72 | mShowBoundingBoxes = true;
|
---|
73 | mShowBoxes = true;
|
---|
74 | }
|
---|
75 |
|
---|
76 | // TODO: set maxdepth to reasonable value
|
---|
77 | mMaxDepth = 50;
|
---|
78 | }
|
---|
79 | //-----------------------------------------------------------------------
|
---|
80 | void OcclusionCullingSceneManager::InitDepthPass()
|
---|
81 | {
|
---|
82 | MaterialPtr depthMat =
|
---|
83 | MaterialManager::getSingleton().getByName("Visibility/DepthPass");
|
---|
84 |
|
---|
85 | if (depthMat.isNull())
|
---|
86 | {
|
---|
87 | depthMat = MaterialManager::getSingleton().create(
|
---|
88 | "Visibility/DepthPass",
|
---|
89 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
|
---|
90 |
|
---|
91 | mDepthPass = depthMat->getTechnique(0)->getPass(0);
|
---|
92 | mDepthPass->setColourWriteEnabled(false);
|
---|
93 | mDepthPass->setDepthWriteEnabled(true);
|
---|
94 | mDepthPass->setLightingEnabled(false);
|
---|
95 | }
|
---|
96 | else
|
---|
97 | {
|
---|
98 | mDepthPass = depthMat->getTechnique(0)->getPass(0);
|
---|
99 | }
|
---|
100 | }
|
---|
101 | //-----------------------------------------------------------------------
|
---|
102 | OcclusionCullingSceneManager::~OcclusionCullingSceneManager()
|
---|
103 | {
|
---|
104 | OGRE_DELETE(mHierarchyInterface);
|
---|
105 | CLEAR_CONTAINER(mObjects);
|
---|
106 | OGRE_DELETE(mCurrentViewCell);
|
---|
107 | }
|
---|
108 | //-----------------------------------------------------------------------
|
---|
109 | void OcclusionCullingSceneManager::InitItemBufferPass()
|
---|
110 | {
|
---|
111 | MaterialPtr itemBufferMat = MaterialManager::getSingleton().
|
---|
112 | getByName("Visibility/ItemBufferPass");
|
---|
113 |
|
---|
114 | if (itemBufferMat.isNull())
|
---|
115 | {
|
---|
116 | // Init
|
---|
117 | itemBufferMat =
|
---|
118 | MaterialManager::getSingleton().create("Visibility/ItemBufferPass",
|
---|
119 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
|
---|
120 |
|
---|
121 | mItemBufferPass = itemBufferMat->getTechnique(0)->getPass(0);
|
---|
122 | mItemBufferPass->setColourWriteEnabled(true);
|
---|
123 | mItemBufferPass->setDepthWriteEnabled(true);
|
---|
124 | mItemBufferPass->setLightingEnabled(true);
|
---|
125 | //mItemBufferPass->setLightingEnabled(false);
|
---|
126 | }
|
---|
127 | else
|
---|
128 | {
|
---|
129 | mItemBufferPass = itemBufferMat->getTechnique(0)->getPass(0);
|
---|
130 | }
|
---|
131 | //mItemBufferPass->setAmbient(1, 1, 0);
|
---|
132 | }
|
---|
133 | //-------------------------------------------------------------------------
|
---|
134 | #if 1
|
---|
135 | void OcclusionCullingSceneManager::setWorldGeometry(DataStreamPtr& stream,
|
---|
136 | const String& typeName)
|
---|
137 | {
|
---|
138 | // Clear out any existing world resources (if not default)
|
---|
139 | if (ResourceGroupManager::getSingleton().getWorldResourceGroupName() !=
|
---|
140 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME)
|
---|
141 | {
|
---|
142 | ResourceGroupManager::getSingleton().clearResourceGroup(
|
---|
143 | ResourceGroupManager::getSingleton().getWorldResourceGroupName());
|
---|
144 | }
|
---|
145 |
|
---|
146 | destroyLevelIndexes();
|
---|
147 | mTerrainPages.clear();
|
---|
148 |
|
---|
149 | // Load the configuration
|
---|
150 | loadConfig(stream);
|
---|
151 |
|
---|
152 | //////////////
|
---|
153 | // file loading
|
---|
154 |
|
---|
155 | // load the scene
|
---|
156 | LoadScene(mFilename);
|
---|
157 |
|
---|
158 | // load view cells
|
---|
159 | //mViewCellsLoaded = LoadViewCells(mViewCellsFilename);
|
---|
160 |
|
---|
161 | if (mShowTerrain)
|
---|
162 | {
|
---|
163 | initLevelIndexes();
|
---|
164 |
|
---|
165 | // Resize the octree, allow for 1 page for now
|
---|
166 | float max_x = mOptions.scale.x * mOptions.pageSize;
|
---|
167 | float max_y = mOptions.scale.y;// * mOptions.pageSize;
|
---|
168 | float max_z = mOptions.scale.z * mOptions.pageSize;
|
---|
169 |
|
---|
170 | float maxAxis = std::max(max_x, max_y);
|
---|
171 | maxAxis = std::max(maxAxis, max_z);
|
---|
172 | //resize(AxisAlignedBox( 0, 0, 0, maxAxis, maxAxis, maxAxis));
|
---|
173 | resize(AxisAlignedBox( 0, 0, 0, max_x, max_y, max_z ));
|
---|
174 |
|
---|
175 | setupTerrainMaterial();
|
---|
176 | setupTerrainPages();
|
---|
177 | }
|
---|
178 | }
|
---|
179 | #endif
|
---|
180 |
|
---|
181 | //-------------------------------------------------------------------------
|
---|
182 | void OcclusionCullingSceneManager::loadConfig(DataStreamPtr& stream)
|
---|
183 | {
|
---|
184 | // Set up the options
|
---|
185 | ConfigFile config;
|
---|
186 | String val;
|
---|
187 |
|
---|
188 | config.load(stream);
|
---|
189 |
|
---|
190 | std::stringstream d;
|
---|
191 |
|
---|
192 | val = config.getSetting("DepthPass");
|
---|
193 |
|
---|
194 | if (!val.empty())
|
---|
195 | {
|
---|
196 | mUseDepthPass = atoi(val.c_str());
|
---|
197 | }
|
---|
198 |
|
---|
199 | val = config.getSetting("FlushQueue");
|
---|
200 |
|
---|
201 | if (!val.empty())
|
---|
202 | {
|
---|
203 | mDeleteQueueAfterRendering = atoi(val.c_str());
|
---|
204 | }
|
---|
205 |
|
---|
206 | val = config.getSetting("Scene");
|
---|
207 |
|
---|
208 | if (!val.empty())
|
---|
209 | {
|
---|
210 | mFilename = val.c_str();
|
---|
211 |
|
---|
212 | if (mFilename == "terrain")
|
---|
213 | {
|
---|
214 | mShowTerrain = true;
|
---|
215 | LogManager::getSingleton().logMessage("loading terrain");
|
---|
216 | }
|
---|
217 | }
|
---|
218 |
|
---|
219 | if (!mShowTerrain)
|
---|
220 | {
|
---|
221 | val = config.getSetting("ViewCells");
|
---|
222 |
|
---|
223 | if (!val.empty())
|
---|
224 | {
|
---|
225 | mViewCellsFilename = val;
|
---|
226 | }
|
---|
227 | }
|
---|
228 |
|
---|
229 | val = config.getSetting("OnlineCullingAlgorithm");
|
---|
230 |
|
---|
231 | if (!val.empty())
|
---|
232 | {
|
---|
233 | GtpVisibility::VisibilityEnvironment::CullingManagerType algorithm;
|
---|
234 |
|
---|
235 | if (val == "CHC")
|
---|
236 | {
|
---|
237 | algorithm =
|
---|
238 | GtpVisibility::VisibilityEnvironment::COHERENT_HIERARCHICAL_CULLING;
|
---|
239 | }
|
---|
240 | else if (val == "SWC")
|
---|
241 | {
|
---|
242 | algorithm =
|
---|
243 | GtpVisibility::VisibilityEnvironment::STOP_AND_WAIT_CULLING;
|
---|
244 | }
|
---|
245 | else if (val == "VFC")
|
---|
246 | {
|
---|
247 | algorithm =
|
---|
248 | GtpVisibility::VisibilityEnvironment::FRUSTUM_CULLING;
|
---|
249 | }
|
---|
250 | else // default rendering
|
---|
251 | {
|
---|
252 | algorithm =
|
---|
253 | GtpVisibility::VisibilityEnvironment::NUM_CULLING_MANAGERS;
|
---|
254 |
|
---|
255 | mNormalExecution = true;
|
---|
256 | }
|
---|
257 |
|
---|
258 | mVisibilityManager->SetCullingManager(algorithm);
|
---|
259 |
|
---|
260 | d << "setting algorithm to: " << algorithm;
|
---|
261 | LogManager::getSingleton().logMessage(d.str());
|
---|
262 | }
|
---|
263 |
|
---|
264 | /////////////
|
---|
265 | // terrain options
|
---|
266 |
|
---|
267 | if (!mShowTerrain)
|
---|
268 | return;
|
---|
269 |
|
---|
270 | val = config.getSetting("DetailTile");
|
---|
271 | if (!val.empty())
|
---|
272 | setDetailTextureRepeat(atoi(val.c_str()));
|
---|
273 |
|
---|
274 | val = config.getSetting("MaxMipMapLevel");
|
---|
275 | if (!val.empty())
|
---|
276 | setMaxGeoMipMapLevel(atoi(val.c_str()));
|
---|
277 |
|
---|
278 |
|
---|
279 | val = config.getSetting("PageSize");
|
---|
280 | if (!val.empty())
|
---|
281 | setPageSize(atoi(val.c_str()));
|
---|
282 | else
|
---|
283 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing option 'PageSize'",
|
---|
284 | "TerrainSceneManager::loadConfig");
|
---|
285 |
|
---|
286 |
|
---|
287 | val = config.getSetting("TileSize");
|
---|
288 | if (!val.empty())
|
---|
289 | setTileSize(atoi(val.c_str()));
|
---|
290 | else
|
---|
291 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing option 'TileSize'",
|
---|
292 | "TerrainSceneManager::loadConfig");
|
---|
293 |
|
---|
294 | Vector3 v = Vector3::UNIT_SCALE;
|
---|
295 |
|
---|
296 | val = config.getSetting( "PageWorldX" );
|
---|
297 | if ( !val.empty() )
|
---|
298 | v.x = atof( val.c_str() );
|
---|
299 |
|
---|
300 | val = config.getSetting( "MaxHeight" );
|
---|
301 | if ( !val.empty() )
|
---|
302 | v.y = atof( val.c_str() );
|
---|
303 |
|
---|
304 | val = config.getSetting( "PageWorldZ" );
|
---|
305 | if ( !val.empty() )
|
---|
306 | v.z = atof( val.c_str() );
|
---|
307 |
|
---|
308 | // Scale x/z relative to pagesize
|
---|
309 | v.x /= mOptions.pageSize;
|
---|
310 | v.z /= mOptions.pageSize;
|
---|
311 | setScale(v);
|
---|
312 |
|
---|
313 | val = config.getSetting( "MaxPixelError" );
|
---|
314 | if ( !val.empty() )
|
---|
315 | setMaxPixelError(atoi( val.c_str() ));
|
---|
316 |
|
---|
317 | mDetailTextureName = config.getSetting( "DetailTexture" );
|
---|
318 |
|
---|
319 | mWorldTextureName = config.getSetting( "WorldTexture" );
|
---|
320 |
|
---|
321 | if ( config.getSetting( "VertexColours" ) == "yes" )
|
---|
322 | mOptions.coloured = true;
|
---|
323 |
|
---|
324 | if ( config.getSetting( "VertexNormals" ) == "yes" )
|
---|
325 | mOptions.lit = true;
|
---|
326 |
|
---|
327 | if ( config.getSetting( "UseTriStrips" ) == "yes" )
|
---|
328 | setUseTriStrips(true);
|
---|
329 |
|
---|
330 | if ( config.getSetting( "VertexProgramMorph" ) == "yes" )
|
---|
331 | setUseLODMorph(true);
|
---|
332 |
|
---|
333 | val = config.getSetting( "LODMorphStart");
|
---|
334 | if ( !val.empty() )
|
---|
335 | setLODMorphStart(atof(val.c_str()));
|
---|
336 |
|
---|
337 | val = config.getSetting( "CustomMaterialName" );
|
---|
338 | if ( !val.empty() )
|
---|
339 | setCustomMaterial(val);
|
---|
340 |
|
---|
341 | val = config.getSetting( "MorphLODFactorParamName" );
|
---|
342 | if ( !val.empty() )
|
---|
343 | setCustomMaterialMorphFactorParam(val);
|
---|
344 |
|
---|
345 | val = config.getSetting( "MorphLODFactorParamIndex" );
|
---|
346 | if ( !val.empty() )
|
---|
347 | setCustomMaterialMorphFactorParam(atoi(val.c_str()));
|
---|
348 |
|
---|
349 | // Now scan through the remaining settings, looking for any PageSource
|
---|
350 | // prefixed items
|
---|
351 | String pageSourceName = config.getSetting("PageSource");
|
---|
352 | if (pageSourceName == "")
|
---|
353 | {
|
---|
354 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Missing option 'PageSource'",
|
---|
355 | "TerrainSceneManager::loadConfig");
|
---|
356 | }
|
---|
357 | TerrainPageSourceOptionList optlist;
|
---|
358 | ConfigFile::SettingsIterator setIt = config.getSettingsIterator();
|
---|
359 | while (setIt.hasMoreElements())
|
---|
360 | {
|
---|
361 | String name = setIt.peekNextKey();
|
---|
362 | String value = setIt.getNext();
|
---|
363 | if (StringUtil::startsWith(name, pageSourceName, false))
|
---|
364 | {
|
---|
365 | optlist.push_back(TerrainPageSourceOption(name, value));
|
---|
366 | }
|
---|
367 | }
|
---|
368 | // set the page source
|
---|
369 | selectPageSource(pageSourceName, optlist);
|
---|
370 | }
|
---|
371 | //-----------------------------------------------------------------------
|
---|
372 | void OcclusionCullingSceneManager::PrepareVisualization(Camera *cam)
|
---|
373 | {
|
---|
374 | // add player camera for visualization purpose
|
---|
375 | try
|
---|
376 | {
|
---|
377 | Camera *c;
|
---|
378 | if ((c = getCamera("PlayerCam")) != NULL)
|
---|
379 | {
|
---|
380 | getRenderQueue()->addRenderable(c);
|
---|
381 | }
|
---|
382 | }
|
---|
383 | catch (...)
|
---|
384 | {
|
---|
385 | // ignore
|
---|
386 | }
|
---|
387 |
|
---|
388 | // add bounding boxes of rendered objects
|
---|
389 | if (0)
|
---|
390 | for (BoxList::iterator it = mBoxes.begin(); it != mBoxes.end(); ++it)
|
---|
391 | {
|
---|
392 | getRenderQueue()->addRenderable(*it);
|
---|
393 | }
|
---|
394 |
|
---|
395 | // set old view cell geometry to invisible
|
---|
396 | if (mCurrentViewCell && mCurrentViewCell->GetMesh())
|
---|
397 | {
|
---|
398 | //const bool showSingleViewCell = true;
|
---|
399 | if (mViewCellsGeometryLoaded)
|
---|
400 | {
|
---|
401 | if (!mShowViewCells)
|
---|
402 | {
|
---|
403 | const int id = mCurrentViewCell->GetId();
|
---|
404 |
|
---|
405 | MovableMap::iterator fit = mViewCellsGeometry.find(id);
|
---|
406 |
|
---|
407 | if ((fit != mViewCellsGeometry.end()) && (*fit).second)
|
---|
408 | (*fit).second->_updateRenderQueue(getRenderQueue());
|
---|
409 | }
|
---|
410 | else
|
---|
411 | {
|
---|
412 | MovableMap::const_iterator mit, mit_end = mViewCellsGeometry.end();
|
---|
413 |
|
---|
414 | for (mit = mViewCellsGeometry.begin(); mit != mit_end; ++ mit)
|
---|
415 | {
|
---|
416 | if ((*mit).second)
|
---|
417 | (*mit).second->_updateRenderQueue(getRenderQueue());
|
---|
418 | }
|
---|
419 | }
|
---|
420 | }
|
---|
421 |
|
---|
422 |
|
---|
423 | //////////
|
---|
424 | //-- set PVS of view cell visible
|
---|
425 |
|
---|
426 | GtpVisibilityPreprocessor::ObjectPvsIterator pit =
|
---|
427 | mCurrentViewCell->GetPvs().GetIterator();
|
---|
428 |
|
---|
429 | while (pit.HasMoreEntries())
|
---|
430 | {
|
---|
431 | GtpVisibilityPreprocessor::ObjectPvsEntry entry = pit.Next();
|
---|
432 | GtpVisibilityPreprocessor::Intersectable *obj = entry.mObject;
|
---|
433 |
|
---|
434 | if (obj->Type() !=
|
---|
435 | GtpVisibilityPreprocessor::Intersectable::ENGINE_INTERSECTABLE)
|
---|
436 | continue;
|
---|
437 |
|
---|
438 | EngineIntersectable *oi = static_cast<EngineIntersectable *>(obj);
|
---|
439 |
|
---|
440 | EntityContainer *entries = oi->GetItem();
|
---|
441 | EntityContainer::const_iterator eit, eit_end = entries->end();
|
---|
442 |
|
---|
443 | for (eit = entries->begin(); eit != eit_end; ++ eit)
|
---|
444 | {
|
---|
445 | (*eit)->setUserAny(Any((int)0));
|
---|
446 | }
|
---|
447 | }
|
---|
448 |
|
---|
449 | pit = mCurrentViewCell->GetPvs().GetIterator();
|
---|
450 |
|
---|
451 | while (pit.HasMoreEntries())
|
---|
452 | {
|
---|
453 | GtpVisibilityPreprocessor::ObjectPvsEntry entry = pit.Next();
|
---|
454 | GtpVisibilityPreprocessor::Intersectable *obj = entry.mObject;
|
---|
455 |
|
---|
456 | switch (obj->Type())
|
---|
457 | {
|
---|
458 | case GtpVisibilityPreprocessor::Intersectable::OGRE_MESH_INSTANCE:
|
---|
459 | {
|
---|
460 | OgreMeshInstance *omi = static_cast<OgreMeshInstance *>(obj);
|
---|
461 | omi->GetEntity()->_updateRenderQueue(getRenderQueue());
|
---|
462 | }
|
---|
463 | break;
|
---|
464 |
|
---|
465 | case GtpVisibilityPreprocessor::Intersectable::ENGINE_INTERSECTABLE:
|
---|
466 | {
|
---|
467 | EngineIntersectable *oi = static_cast<EngineIntersectable *>(obj);
|
---|
468 |
|
---|
469 | EntityContainer *entries = oi->GetItem();
|
---|
470 | EntityContainer::const_iterator eit, eit_end = entries->end();
|
---|
471 |
|
---|
472 | for (eit = entries->begin(); eit != eit_end; ++ eit)
|
---|
473 | {
|
---|
474 |
|
---|
475 | Entity *ent = *eit;
|
---|
476 | Any newAny = ent->getUserAny();
|
---|
477 |
|
---|
478 | int flt = any_cast<int>(newAny);
|
---|
479 |
|
---|
480 | if (any_cast<int>(newAny) == 0)
|
---|
481 | {
|
---|
482 | ent->setUserAny(Any((int)1));
|
---|
483 | ent->_updateRenderQueue(getRenderQueue());
|
---|
484 | }
|
---|
485 |
|
---|
486 | }
|
---|
487 | }
|
---|
488 | break;
|
---|
489 | default:
|
---|
490 | break;
|
---|
491 | }
|
---|
492 | }
|
---|
493 | }
|
---|
494 | /*
|
---|
495 | if (mRenderNodesForViz || mRenderNodesContentForViz)
|
---|
496 | {
|
---|
497 | // HACK: change node material so it is better suited for visualization
|
---|
498 | MaterialPtr nodeMat = MaterialManager::getSingleton().getByName("Core/NodeMaterial");
|
---|
499 | nodeMat->setAmbient(1, 1, 0);
|
---|
500 | nodeMat->setLightingEnabled(true);
|
---|
501 | nodeMat->getTechnique(0)->getPass(0)->removeAllTextureUnitStates();
|
---|
502 |
|
---|
503 | for (NodeList::iterator it = mVisible.begin(); it != mVisible.end(); ++it)
|
---|
504 | {
|
---|
505 | if (mRenderNodesForViz)
|
---|
506 | {
|
---|
507 | // render the visible leaf nodes
|
---|
508 | if ((*it)->numAttachedObjects() &&
|
---|
509 | !(*it)->numChildren() &&
|
---|
510 | ((*it)->getAttachedObject(0)->getMovableType() == "Entity") &&
|
---|
511 | (*it)->getAttachedObject(0)->isVisible())
|
---|
512 | {
|
---|
513 | //getRenderQueue()->addRenderable((*it));
|
---|
514 | (*it)->_addToRenderQueue(cam, getRenderQueue(), false);
|
---|
515 | }
|
---|
516 |
|
---|
517 | // add bounding boxes instead of node itself
|
---|
518 | if (0)
|
---|
519 | (*it)->_addBoundingBoxToQueue(getRenderQueue());
|
---|
520 | }
|
---|
521 |
|
---|
522 | // add renderables itself
|
---|
523 | if (mRenderNodesContentForViz)
|
---|
524 | {
|
---|
525 | (*it)->_addToRenderQueue(cam, getRenderQueue(), false);
|
---|
526 | }
|
---|
527 | }
|
---|
528 | }*/
|
---|
529 | }
|
---|
530 | //-----------------------------------------------------------------------
|
---|
531 | const Pass *OcclusionCullingSceneManager::_setPass(const Pass* pass, bool evenIfSuppressed)
|
---|
532 | {
|
---|
533 | if (mNormalExecution)
|
---|
534 | {
|
---|
535 | return SceneManager::_setPass(pass);
|
---|
536 | }
|
---|
537 |
|
---|
538 | // TODO: setting vertex program is not efficient
|
---|
539 | //Pass *usedPass = ((mIsDepthPassPhase && !pass->hasVertexProgram()) ? mDepthPass : pass);
|
---|
540 |
|
---|
541 | // set depth fill pass if we currently do not make an aabb occlusion query
|
---|
542 | const bool useDepthPass =
|
---|
543 | (mIsDepthPassPhase && !mHierarchyInterface->IsBoundingBoxQuery());
|
---|
544 |
|
---|
545 | const IlluminationRenderStage savedStage = mIlluminationStage;
|
---|
546 |
|
---|
547 | // set illumination stage to NONE so no shadow material is used
|
---|
548 | // for depth pass or for occlusion query
|
---|
549 | if (mIsDepthPassPhase || mHierarchyInterface->IsBoundingBoxQuery())
|
---|
550 | {
|
---|
551 | mIlluminationStage = IRS_NONE;
|
---|
552 | }
|
---|
553 |
|
---|
554 | // --- set vertex program of current pass in order to set correct depth
|
---|
555 | if (mExecuteVertexProgramForAllPasses &&
|
---|
556 | mIsDepthPassPhase &&
|
---|
557 | pass->hasVertexProgram())
|
---|
558 | {
|
---|
559 | // add vertex program of current pass to depth pass
|
---|
560 | mDepthPass->setVertexProgram(pass->getVertexProgramName());
|
---|
561 |
|
---|
562 | if (mDepthPass->hasVertexProgram())
|
---|
563 | {
|
---|
564 | const GpuProgramPtr& prg = mDepthPass->getVertexProgram();
|
---|
565 | // Load this program if not done already
|
---|
566 | if (!prg->isLoaded())
|
---|
567 | prg->load();
|
---|
568 | // Copy params
|
---|
569 | mDepthPass->setVertexProgramParameters(pass->getVertexProgramParameters());
|
---|
570 | }
|
---|
571 | }
|
---|
572 | else if (mDepthPass->hasVertexProgram()) // reset vertex program
|
---|
573 | {
|
---|
574 | mDepthPass->setVertexProgram("");
|
---|
575 | }
|
---|
576 |
|
---|
577 | const Pass *usedPass = useDepthPass ? mDepthPass : pass;
|
---|
578 |
|
---|
579 | // save old depth write: needed for item buffer
|
---|
580 | const bool IsDepthWrite = usedPass->getDepthWriteEnabled();
|
---|
581 |
|
---|
582 | // global option which enables / disables depth writes
|
---|
583 | if (!mEnableDepthWrite)
|
---|
584 | {
|
---|
585 | //usedPass->setDepthWriteEnabled(false);
|
---|
586 | }
|
---|
587 | //else if (mIsItemBufferPass) {usedPass = mItemBufferPass;}
|
---|
588 |
|
---|
589 | //-- set actual pass here
|
---|
590 | const Pass *result = SceneManager::_setPass(usedPass);
|
---|
591 |
|
---|
592 |
|
---|
593 | // reset depth write
|
---|
594 | if (!mEnableDepthWrite)
|
---|
595 | {
|
---|
596 | //usedPass->setDepthWriteEnabled(IsDepthWrite);
|
---|
597 | }
|
---|
598 |
|
---|
599 | // reset illumination stage
|
---|
600 | mIlluminationStage = savedStage;
|
---|
601 |
|
---|
602 | return result;
|
---|
603 | }
|
---|
604 | //-----------------------------------------------------------------------
|
---|
605 | void OcclusionCullingSceneManager::_findVisibleObjects(Camera* cam,
|
---|
606 | bool onlyShadowCasters)
|
---|
607 | {
|
---|
608 | if (mShowVisualization)
|
---|
609 | {
|
---|
610 | //////////////
|
---|
611 | //-- show visible scene nodes and octree bounding boxes from last frame
|
---|
612 | PrepareVisualization(cam);
|
---|
613 | }
|
---|
614 | else
|
---|
615 | {
|
---|
616 | // hierarchical culling interleaves identification
|
---|
617 | // and rendering of objects in _renderVisibibleObjects
|
---|
618 |
|
---|
619 | // for the shadow pass we use only standard rendering
|
---|
620 | // because shadows have low occlusion snyway
|
---|
621 | if (mShadowTechnique == SHADOWTYPE_TEXTURE_MODULATIVE &&
|
---|
622 | mIlluminationStage == IRS_RENDER_TO_TEXTURE)
|
---|
623 | {
|
---|
624 | OctreeSceneManager::_findVisibleObjects(cam, onlyShadowCasters);
|
---|
625 | }
|
---|
626 |
|
---|
627 | // only shadow casters will be rendered in shadow texture pass
|
---|
628 | if (0) mHierarchyInterface->SetOnlyShadowCasters(onlyShadowCasters);
|
---|
629 |
|
---|
630 | ///////////
|
---|
631 | //-- set visibility according to pvs of current view cell
|
---|
632 |
|
---|
633 | UpdatePvs(cam);
|
---|
634 |
|
---|
635 | if (mNormalExecution)
|
---|
636 | {
|
---|
637 | OctreeSceneManager::_findVisibleObjects(cam, onlyShadowCasters);
|
---|
638 | //return;
|
---|
639 | }
|
---|
640 | }
|
---|
641 |
|
---|
642 | // lists only used for visualization
|
---|
643 | mVisible.clear();
|
---|
644 | mBoxes.clear();
|
---|
645 | }
|
---|
646 | //-----------------------------------------------------------------------
|
---|
647 | void OcclusionCullingSceneManager::_renderVisibleObjects()
|
---|
648 | {
|
---|
649 | if (mNormalExecution)
|
---|
650 | {
|
---|
651 | // the standard octree rendering mode
|
---|
652 | TerrainSceneManager::_renderVisibleObjects();
|
---|
653 | getRenderQueue()->clear(mDeleteQueueAfterRendering);
|
---|
654 | return;
|
---|
655 | }
|
---|
656 |
|
---|
657 | InitDepthPass(); // create material for depth pass
|
---|
658 | InitItemBufferPass(); // create material for item buffer pass
|
---|
659 |
|
---|
660 | // save ambient light to reset later
|
---|
661 | ColourValue savedAmbient = mAmbientLight;
|
---|
662 |
|
---|
663 | ////////////////////
|
---|
664 | //-- apply standard rendering for some modes
|
---|
665 | //-- (e.g., the visualization mode, the shadow pass)
|
---|
666 |
|
---|
667 | if (mShowVisualization ||
|
---|
668 | (mShadowTechnique == SHADOWTYPE_TEXTURE_MODULATIVE &&
|
---|
669 | mIlluminationStage == IRS_RENDER_TO_TEXTURE))
|
---|
670 | {
|
---|
671 | IlluminationRenderStage savedStage = mIlluminationStage;
|
---|
672 |
|
---|
673 | if (mShowVisualization)
|
---|
674 | {
|
---|
675 | // disable illumination stage to prevent rendering shadows
|
---|
676 | mIlluminationStage = IRS_NONE;
|
---|
677 | }
|
---|
678 |
|
---|
679 | // standard rendering for shadow maps because of performance
|
---|
680 | TerrainSceneManager::_renderVisibleObjects();
|
---|
681 |
|
---|
682 | mIlluminationStage = savedStage;
|
---|
683 | }
|
---|
684 | else //-- the hierarchical culling algorithm
|
---|
685 | {
|
---|
686 | // note matt: this is also called in TerrainSceneManager: really necessary?
|
---|
687 | mDestRenderSystem -> setLightingEnabled(false);
|
---|
688 |
|
---|
689 | if (mUseItemBuffer)
|
---|
690 | {
|
---|
691 | // don't render backgrounds for item buffer
|
---|
692 | clearSpecialCaseRenderQueues();
|
---|
693 | getRenderQueue()->clear();
|
---|
694 | }
|
---|
695 |
|
---|
696 | ////////////////////
|
---|
697 | //-- hierarchical culling
|
---|
698 |
|
---|
699 | // the objects of different layers (e.g., background, scene,
|
---|
700 | // overlay) must be identified and rendered one after another
|
---|
701 |
|
---|
702 | // first render all early skies
|
---|
703 | clearSpecialCaseRenderQueues();
|
---|
704 | addSpecialCaseRenderQueue(RENDER_QUEUE_BACKGROUND);
|
---|
705 | addSpecialCaseRenderQueue(RENDER_QUEUE_SKIES_EARLY);
|
---|
706 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_INCLUDE);
|
---|
707 |
|
---|
708 | TerrainSceneManager::_renderVisibleObjects();
|
---|
709 |
|
---|
710 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
|
---|
711 | // delete previously rendered content
|
---|
712 | _deleteRenderedQueueGroups();
|
---|
713 | #endif
|
---|
714 |
|
---|
715 | ///////////////////
|
---|
716 | //-- prepare queue for visible objects (i.e., all but overlay and skies late)
|
---|
717 |
|
---|
718 | clearSpecialCaseRenderQueues();
|
---|
719 | addSpecialCaseRenderQueue(RENDER_QUEUE_SKIES_LATE);
|
---|
720 | addSpecialCaseRenderQueue(RENDER_QUEUE_OVERLAY);
|
---|
721 |
|
---|
722 | // exclude this queues from hierarchical rendering
|
---|
723 | setSpecialCaseRenderQueueMode(SceneManager::SCRQM_EXCLUDE);
|
---|
724 |
|
---|
725 | // set all necessary parameters for
|
---|
726 | // hierarchical visibility culling and rendering
|
---|
727 | InitVisibilityCulling(mCameraInProgress);
|
---|
728 |
|
---|
729 |
|
---|
730 | /**
|
---|
731 | * the hierarchical culling algorithm
|
---|
732 | * for depth pass: we just find objects and update depth buffer
|
---|
733 | * for "delayed" rendering: we render some passes afterwards
|
---|
734 | * e.g., transparents, because they need front-to-back sorting
|
---|
735 | **/
|
---|
736 |
|
---|
737 | mVisibilityManager->ApplyVisibilityCulling();
|
---|
738 |
|
---|
739 | // delete remaining renderables from queue:
|
---|
740 | // all which are not in mLeavePassesInQueue)
|
---|
741 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
|
---|
742 | _deleteRenderedQueueGroups(mLeavePassesInQueue);
|
---|
743 | #endif
|
---|
744 |
|
---|
745 | /////////////
|
---|
746 | //-- reset parameters needed for special rendering
|
---|
747 |
|
---|
748 | mIsDepthPassPhase = false;
|
---|
749 | mIsItemBufferPhase = false;
|
---|
750 | mSkipTransparents = false;
|
---|
751 | mIsHierarchicalCulling = false;
|
---|
752 |
|
---|
753 | mLeavePassesInQueue = 0;
|
---|
754 |
|
---|
755 | // the shaded geometry is rendered in a second pass
|
---|
756 | if (mUseDepthPass)
|
---|
757 | {
|
---|
758 | // add visible nodes found by the visibility culling algorithm
|
---|
759 | NodeList::const_iterator it, it_end = mVisible.end();
|
---|
760 |
|
---|
761 | //getRenderQueue()->clear();
|
---|
762 | for (it = mVisible.begin(); it != it_end; ++ it)
|
---|
763 | {
|
---|
764 | (*it)->_addToRenderQueue(mCameraInProgress, getRenderQueue(), false);
|
---|
765 | }
|
---|
766 | }
|
---|
767 |
|
---|
768 | /////////////
|
---|
769 | //-- now we can render all remaining queue objects
|
---|
770 | //-- used for depth pass, transparents, overlay
|
---|
771 |
|
---|
772 | clearSpecialCaseRenderQueues();
|
---|
773 |
|
---|
774 | TerrainSceneManager::_renderVisibleObjects();
|
---|
775 | } // end hierarchical culling
|
---|
776 |
|
---|
777 | // HACK: set the new render level index, important to avoid cracks
|
---|
778 | // in terrain caused by LOD
|
---|
779 | TerrainRenderable::NextRenderLevelIndex();
|
---|
780 |
|
---|
781 | // reset ambient light
|
---|
782 | setAmbientLight(savedAmbient);
|
---|
783 |
|
---|
784 | // almost same effect as below
|
---|
785 | getRenderQueue()->clear(mDeleteQueueAfterRendering);
|
---|
786 |
|
---|
787 | if (0) WriteLog(); // write out stats
|
---|
788 | }
|
---|
789 |
|
---|
790 | //-----------------------------------------------------------------------
|
---|
791 | void OcclusionCullingSceneManager::_updateSceneGraph(Camera* cam)
|
---|
792 | {
|
---|
793 | if (mNormalExecution)
|
---|
794 | {
|
---|
795 | OctreeSceneManager::_updateSceneGraph(cam);
|
---|
796 | return;
|
---|
797 | }
|
---|
798 |
|
---|
799 | mVisibilityManager->GetCullingManager()->SetHierarchyInterface(mHierarchyInterface);
|
---|
800 | mHierarchyInterface->SetRenderSystem(mDestRenderSystem);
|
---|
801 |
|
---|
802 | TerrainSceneManager::_updateSceneGraph(cam);
|
---|
803 | }
|
---|
804 | //-----------------------------------------------------------------------
|
---|
805 | bool OcclusionCullingSceneManager::setOption(const String & key, const void * val)
|
---|
806 | {
|
---|
807 | if (key == "UseDepthPass")
|
---|
808 | {
|
---|
809 | mUseDepthPass = (*static_cast<const bool *>(val));
|
---|
810 | return true;
|
---|
811 | }
|
---|
812 | if (key == "PrepareVisualization")
|
---|
813 | {
|
---|
814 | mShowVisualization = (*static_cast<const bool *>(val));
|
---|
815 | return true;
|
---|
816 | }
|
---|
817 | if (key == "RenderNodesForViz")
|
---|
818 | {
|
---|
819 | mRenderNodesForViz = (*static_cast<const bool *>(val));
|
---|
820 | return true;
|
---|
821 | }
|
---|
822 | if (key == "RenderNodesContentForViz")
|
---|
823 | {
|
---|
824 | mRenderNodesContentForViz = (*static_cast<const bool *>(val));
|
---|
825 | return true;
|
---|
826 | }
|
---|
827 | if (key == "SkyBoxEnabled")
|
---|
828 | {
|
---|
829 | mSkyBoxEnabled = (*static_cast<const bool *>(val));
|
---|
830 | return true;
|
---|
831 | }
|
---|
832 | if (key == "SkyPlaneEnabled")
|
---|
833 | {
|
---|
834 | mSkyPlaneEnabled = (*static_cast<const bool *>(val));
|
---|
835 | return true;
|
---|
836 | }
|
---|
837 | if (key == "SkyDomeEnabled")
|
---|
838 | {
|
---|
839 | mSkyDomeEnabled = (*static_cast<const bool *>(val));
|
---|
840 | return true;
|
---|
841 | }
|
---|
842 | if (key == "VisualizeCulledNodes")
|
---|
843 | {
|
---|
844 | mVisualizeCulledNodes = (*static_cast<const bool *>(val));
|
---|
845 | return true;
|
---|
846 | }
|
---|
847 | if (key == "DelayRenderTransparents")
|
---|
848 | {
|
---|
849 | mDelayRenderTransparents = (*static_cast<const bool *>(val));
|
---|
850 | return true;
|
---|
851 | }
|
---|
852 | if (key == "DepthWrite")
|
---|
853 | {
|
---|
854 | mEnableDepthWrite = (*static_cast<const bool *>(val));
|
---|
855 | return true;
|
---|
856 | }
|
---|
857 | if (key == "UseItemBuffer")
|
---|
858 | {
|
---|
859 | mUseItemBuffer = (*static_cast<const bool *>(val));
|
---|
860 | return true;
|
---|
861 | }
|
---|
862 | if (key == "ExecuteVertexProgramForAllPasses")
|
---|
863 | {
|
---|
864 | mExecuteVertexProgramForAllPasses = (*static_cast<const bool *>(val));
|
---|
865 | return true;
|
---|
866 | }
|
---|
867 | if (key == "RenderTransparentsForItemBuffer")
|
---|
868 | {
|
---|
869 | mRenderTransparentsForItemBuffer = (*static_cast<const bool *>(val));
|
---|
870 | return true;
|
---|
871 | }
|
---|
872 | else if (key == "DeleteRenderQueue")
|
---|
873 | {
|
---|
874 | mDeleteQueueAfterRendering = (*static_cast<const bool *>(val));
|
---|
875 | return true;
|
---|
876 | }
|
---|
877 | if (key == "NodeVizScale")
|
---|
878 | {
|
---|
879 | OctreeNode::setVizScale(*static_cast<const float *>(val));
|
---|
880 | return true;
|
---|
881 | }
|
---|
882 | if (key == "UseViewCells")
|
---|
883 | {
|
---|
884 | if (!mViewCellsLoaded)
|
---|
885 | {
|
---|
886 | // try ro loaded view cells
|
---|
887 | mViewCellsLoaded = LoadViewCells(mViewCellsFilename);
|
---|
888 | }
|
---|
889 |
|
---|
890 | if (!mViewCellsLoaded)
|
---|
891 | return false;
|
---|
892 |
|
---|
893 | // only use this option if view cells are available
|
---|
894 |
|
---|
895 | mUseViewCells = *static_cast<const bool *>(val);
|
---|
896 |
|
---|
897 | // reset view cell
|
---|
898 | OGRE_DELETE(mCurrentViewCell);
|
---|
899 |
|
---|
900 | if (mUseViewCells)
|
---|
901 | {
|
---|
902 | mCurrentViewCell = mViewCellsManager->GenerateViewCell();
|
---|
903 | }
|
---|
904 |
|
---|
905 | // view cell corresponding to leaf in the view cell hierarchy
|
---|
906 | mElementaryViewCell = NULL;
|
---|
907 |
|
---|
908 | // with view cells all objects are set to invisible per default
|
---|
909 | SetObjectsVisible(!mUseViewCells);
|
---|
910 |
|
---|
911 | MovableObjectIterator movit = getMovableObjectIterator("Entity");
|
---|
912 | while (movit.hasMoreElements())
|
---|
913 | {
|
---|
914 | Entity *ent = static_cast<Entity *>(movit.getNext());
|
---|
915 | ent->setVisible(!mUseViewCells);
|
---|
916 | }
|
---|
917 |
|
---|
918 | return true;
|
---|
919 | }
|
---|
920 | if (key == "ShowViewCells")
|
---|
921 | {
|
---|
922 | // only use this option if view cells are available
|
---|
923 | if (mViewCellsLoaded)
|
---|
924 | {
|
---|
925 | mShowViewCells = *static_cast<const bool *>(val);
|
---|
926 | // if we decide use view cells
|
---|
927 | // all objects are set to invisible per default
|
---|
928 | VisualizeViewCells(mShowViewCells);
|
---|
929 | }
|
---|
930 |
|
---|
931 | return true;
|
---|
932 | }
|
---|
933 | if (key == "NormalExecution")
|
---|
934 | {
|
---|
935 | mNormalExecution = *static_cast<const bool *>(val);
|
---|
936 | return true;
|
---|
937 | }
|
---|
938 | if (key == "UseVisibilityFilter")
|
---|
939 | {
|
---|
940 | mUseVisibilityFilter = *static_cast<const bool *>(val);
|
---|
941 |
|
---|
942 | // set null => recomputation of the pvs
|
---|
943 | mElementaryViewCell = NULL;
|
---|
944 | return true;
|
---|
945 | }
|
---|
946 | if (key == "ViewCellsLoaded")
|
---|
947 | {
|
---|
948 | return mViewCellsLoaded;
|
---|
949 | }
|
---|
950 |
|
---|
951 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
952 | setOption(key, val) || TerrainSceneManager::setOption(key, val);
|
---|
953 | }
|
---|
954 | //-----------------------------------------------------------------------
|
---|
955 | bool OcclusionCullingSceneManager::getOption(const String &key, void *val)
|
---|
956 | {
|
---|
957 | if (key == "NumHierarchyNodes")
|
---|
958 | {
|
---|
959 | * static_cast<unsigned int *>(val) = (unsigned int)mNumOctants;
|
---|
960 | return true;
|
---|
961 | }
|
---|
962 | if (key == "VisibilityManager")
|
---|
963 | {
|
---|
964 | * static_cast<GtpVisibility::VisibilityManager **>(val) =
|
---|
965 | (GtpVisibility::VisibilityManager *)mVisibilityManager;
|
---|
966 | return true;
|
---|
967 | }
|
---|
968 | if (key == "HierarchInterface")
|
---|
969 | {
|
---|
970 | * static_cast<GtpVisibility::HierarchyInterface **>(val) =
|
---|
971 | (GtpVisibility::HierarchyInterface *)mHierarchyInterface;
|
---|
972 | return true;
|
---|
973 | }
|
---|
974 | if (key == "ShowTerrain")
|
---|
975 | {
|
---|
976 | * static_cast<bool *>(val) = (bool *)mShowTerrain;
|
---|
977 | return true;
|
---|
978 | }
|
---|
979 | if (key == "UseDepthPass")
|
---|
980 | {
|
---|
981 | * static_cast<bool *>(val) = (bool *)mUseDepthPass;
|
---|
982 | return true;
|
---|
983 | }
|
---|
984 | if (key == "AlgorithmType")
|
---|
985 | {
|
---|
986 | GtpVisibility::VisibilityEnvironment::CullingManagerType algorithm =
|
---|
987 | mVisibilityManager->GetCullingManagerType();
|
---|
988 |
|
---|
989 | * static_cast<unsigned int *>(val) =
|
---|
990 | (unsigned int)algorithm;
|
---|
991 | return true;
|
---|
992 | }
|
---|
993 |
|
---|
994 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
995 | getOption(key, val) && TerrainSceneManager::getOption(key, val);
|
---|
996 | }
|
---|
997 | //-----------------------------------------------------------------------
|
---|
998 | bool OcclusionCullingSceneManager::getOptionValues(const String & key,
|
---|
999 | StringVector &refValueList)
|
---|
1000 | {
|
---|
1001 | return TerrainSceneManager::getOptionValues( key, refValueList);
|
---|
1002 | }
|
---|
1003 | //-----------------------------------------------------------------------
|
---|
1004 | bool OcclusionCullingSceneManager::getOptionKeys(StringVector & refKeys)
|
---|
1005 | {
|
---|
1006 | return VisibilityOptionsManager(mVisibilityManager, mHierarchyInterface).
|
---|
1007 | getOptionKeys(refKeys) || TerrainSceneManager::getOptionKeys(refKeys);
|
---|
1008 | }
|
---|
1009 | //-----------------------------------------------------------------------
|
---|
1010 | void OcclusionCullingSceneManager::setVisibilityManager(GtpVisibility::
|
---|
1011 | VisibilityManager *visManager)
|
---|
1012 | {
|
---|
1013 | mVisibilityManager = visManager;
|
---|
1014 | }
|
---|
1015 | //-----------------------------------------------------------------------
|
---|
1016 | GtpVisibility::VisibilityManager *OcclusionCullingSceneManager::getVisibilityManager( void )
|
---|
1017 | {
|
---|
1018 | return mVisibilityManager;
|
---|
1019 | }
|
---|
1020 | //-----------------------------------------------------------------------
|
---|
1021 | void OcclusionCullingSceneManager::WriteLog()
|
---|
1022 | {
|
---|
1023 | std::stringstream d;
|
---|
1024 |
|
---|
1025 | d << "Depth pass: " << StringConverter::toString(mUseDepthPass) << ", "
|
---|
1026 | << "Delay transparents: " << StringConverter::toString(mDelayRenderTransparents) << ", "
|
---|
1027 | << "Use optimization: " << StringConverter::toString(mHierarchyInterface->GetTestGeometryForVisibleLeaves()) << ", "
|
---|
1028 | << "Algorithm type: " << mVisibilityManager->GetCullingManagerType() << ", "
|
---|
1029 | << "Hierarchy nodes: " << mNumOctants << ", "
|
---|
1030 | << "Traversed nodes: " << mHierarchyInterface->GetNumTraversedNodes() << ", "
|
---|
1031 | << "Rendered nodes: " << mHierarchyInterface->GetNumRenderedNodes() << ", "
|
---|
1032 | << "Query culled nodes: " << mVisibilityManager->GetCullingManager()->GetNumQueryCulledNodes() << ", "
|
---|
1033 | << "Frustum culled nodes: " << mVisibilityManager->GetCullingManager()->GetNumFrustumCulledNodes() << ", "
|
---|
1034 | << "Queries issued: " << mVisibilityManager->GetCullingManager()->GetNumQueriesIssued() << ", "
|
---|
1035 | << "Found objects: " << (int)mVisible.size() << "\n";
|
---|
1036 |
|
---|
1037 | LogManager::getSingleton().logMessage(d.str());
|
---|
1038 | }
|
---|
1039 | //-----------------------------------------------------------------------
|
---|
1040 | void OcclusionCullingSceneManager::renderBasicQueueGroupObjects(RenderQueueGroup* pGroup,
|
---|
1041 | QueuedRenderableCollection::OrganisationMode om)
|
---|
1042 | {
|
---|
1043 | // Basic render loop
|
---|
1044 | // Iterate through priorities
|
---|
1045 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1046 |
|
---|
1047 | while (groupIt.hasMoreElements())
|
---|
1048 | {
|
---|
1049 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
1050 |
|
---|
1051 | // Sort the queue first
|
---|
1052 | pPriorityGrp->sort(mCameraInProgress);
|
---|
1053 |
|
---|
1054 | // Do solids
|
---|
1055 | renderObjects(pPriorityGrp->getSolidsBasic(), om, true);
|
---|
1056 |
|
---|
1057 | // for correct rendering, transparents must be rendered
|
---|
1058 | // after hierarchical culling => don't render them now
|
---|
1059 |
|
---|
1060 | if (mNormalExecution || !mSkipTransparents)
|
---|
1061 | {
|
---|
1062 | // Do transparents (always descending)
|
---|
1063 | renderObjects(pPriorityGrp->getTransparents(),
|
---|
1064 | QueuedRenderableCollection::OM_SORT_DESCENDING, true);
|
---|
1065 | }
|
---|
1066 |
|
---|
1067 |
|
---|
1068 | } // for each priority
|
---|
1069 | }
|
---|
1070 |
|
---|
1071 | //-----------------------------------------------------------------------
|
---|
1072 | bool OcclusionCullingSceneManager::validatePassForRendering(Pass* pass)
|
---|
1073 | {
|
---|
1074 | if (mNormalExecution)
|
---|
1075 | {
|
---|
1076 | return SceneManager::validatePassForRendering(pass);
|
---|
1077 | }
|
---|
1078 |
|
---|
1079 | // skip all but first pass if we are doing the depth pass
|
---|
1080 | if ((mIsDepthPassPhase || mIsItemBufferPhase) && (pass->getIndex() > 0))
|
---|
1081 | {
|
---|
1082 | return false;
|
---|
1083 | }
|
---|
1084 | // all but first pass
|
---|
1085 | /*else if ((!mIsDepthPassPhase || mIsItemBufferPhase) && (pass->getIndex() != 0))
|
---|
1086 | {
|
---|
1087 | return false;
|
---|
1088 | }*/
|
---|
1089 |
|
---|
1090 | return SceneManager::validatePassForRendering(pass);
|
---|
1091 | }
|
---|
1092 | //-----------------------------------------------------------------------
|
---|
1093 | void OcclusionCullingSceneManager::_renderQueueGroupObjects(RenderQueueGroup* pGroup,
|
---|
1094 | QueuedRenderableCollection::OrganisationMode om)
|
---|
1095 | {
|
---|
1096 | if (mNormalExecution || !mIsItemBufferPhase)
|
---|
1097 | {
|
---|
1098 | TerrainSceneManager::_renderQueueGroupObjects(pGroup, om);
|
---|
1099 | return;
|
---|
1100 | }
|
---|
1101 | #ifdef ITEM_BUFFER
|
---|
1102 | //-- item buffer
|
---|
1103 | //-- render objects using false colors
|
---|
1104 |
|
---|
1105 | // Iterate through priorities
|
---|
1106 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1107 |
|
---|
1108 | while (groupIt.hasMoreElements())
|
---|
1109 | {
|
---|
1110 | RenderItemBuffer(groupIt.getNext());
|
---|
1111 | }
|
---|
1112 | #endif // ITEM_BUFFER
|
---|
1113 | }
|
---|
1114 | #ifdef ITEM_BUFFER
|
---|
1115 | //-----------------------------------------------------------------------
|
---|
1116 | void OcclusionCullingSceneManager::RenderItemBuffer(RenderPriorityGroup* pGroup)
|
---|
1117 | {
|
---|
1118 | // Do solids
|
---|
1119 | QueuedRenderableCollection solidObjs = pGroup->getSolidsBasic();//msz
|
---|
1120 |
|
---|
1121 | // ----- SOLIDS LOOP -----
|
---|
1122 | RenderPriorityGroup::SolidRenderablePassMap::const_iterator ipass, ipassend;
|
---|
1123 | ipassend = solidObjs.end();
|
---|
1124 |
|
---|
1125 | for (ipass = solidObjs.begin(); ipass != ipassend; ++ipass)
|
---|
1126 | {
|
---|
1127 | // Fast bypass if this group is now empty
|
---|
1128 | if (ipass->second->empty())
|
---|
1129 | continue;
|
---|
1130 |
|
---|
1131 | // Render only first pass of renderable as false color
|
---|
1132 | if (ipass->first->getIndex() > 0)
|
---|
1133 | continue;
|
---|
1134 |
|
---|
1135 | RenderPriorityGroup::RenderableList* rendList = ipass->second;
|
---|
1136 |
|
---|
1137 | RenderPriorityGroup::RenderableList::const_iterator irend, irendend;
|
---|
1138 | irendend = rendList->end();
|
---|
1139 |
|
---|
1140 | for (irend = rendList->begin(); irend != irendend; ++irend)
|
---|
1141 | {
|
---|
1142 | if (0)
|
---|
1143 | {
|
---|
1144 | std::stringstream d; d << "itembuffer, pass name: " <<
|
---|
1145 | ipass->first->getParent()->getParent()->getName();
|
---|
1146 |
|
---|
1147 | LogManager::getSingleton().logMessage(d.str());
|
---|
1148 | }
|
---|
1149 |
|
---|
1150 | RenderSingleObjectForItemBuffer(*irend, ipass->first);
|
---|
1151 | }
|
---|
1152 | }
|
---|
1153 |
|
---|
1154 | ///////////
|
---|
1155 | //-- TRANSPARENT LOOP: must be handled differently from solids
|
---|
1156 |
|
---|
1157 | // transparents are treated either as solids or completely discarded
|
---|
1158 | if (mRenderTransparentsForItemBuffer)
|
---|
1159 | {
|
---|
1160 | QueuedRenderableCollection transpObjs = pGroup->getTransparents(); //msz
|
---|
1161 | RenderPriorityGroup::TransparentRenderablePassList::const_iterator
|
---|
1162 | itrans, itransend;
|
---|
1163 |
|
---|
1164 | itransend = transpObjs.end();
|
---|
1165 | for (itrans = transpObjs.begin(); itrans != itransend; ++itrans)
|
---|
1166 | {
|
---|
1167 | // like for solids, render only first pass
|
---|
1168 | if (itrans->pass->getIndex() == 0)
|
---|
1169 | {
|
---|
1170 | RenderSingleObjectForItemBuffer(itrans->renderable, itrans->pass);
|
---|
1171 | }
|
---|
1172 | }
|
---|
1173 | }
|
---|
1174 | }
|
---|
1175 | //-----------------------------------------------------------------------
|
---|
1176 | void OcclusionCullingSceneManager::RenderSingleObjectForItemBuffer(Renderable *rend, Pass *pass)
|
---|
1177 | {
|
---|
1178 | static LightList nullLightList;
|
---|
1179 |
|
---|
1180 | int col[4];
|
---|
1181 |
|
---|
1182 | // -- create color code out of object id
|
---|
1183 | col[0] = (rend->getId() >> 16) & 255;
|
---|
1184 | col[1] = (rend->getId() >> 8) & 255;
|
---|
1185 | col[2] = rend->getId() & 255;
|
---|
1186 | // col[3] = 255;
|
---|
1187 |
|
---|
1188 | //mDestRenderSystem->setColour(col[0], col[1], col[2], col[3]);
|
---|
1189 |
|
---|
1190 | mItemBufferPass->setAmbient(ColourValue(col[0] / 255.0f,
|
---|
1191 | col[1] / 255.0f,
|
---|
1192 | col[2] / 255.0f, 1));
|
---|
1193 |
|
---|
1194 | // set vertex program of current pass
|
---|
1195 | if (mExecuteVertexProgramForAllPasses && pass->hasVertexProgram())
|
---|
1196 | {
|
---|
1197 | mItemBufferPass->setVertexProgram(pass->getVertexProgramName());
|
---|
1198 |
|
---|
1199 | if (mItemBufferPass->hasVertexProgram())
|
---|
1200 | {
|
---|
1201 | const GpuProgramPtr& prg = mItemBufferPass->getVertexProgram();
|
---|
1202 | // Load this program if not done already
|
---|
1203 | if (!prg->isLoaded())
|
---|
1204 | prg->load();
|
---|
1205 | // Copy params
|
---|
1206 | mItemBufferPass->setVertexProgramParameters(pass->getVertexProgramParameters());
|
---|
1207 | }
|
---|
1208 | }
|
---|
1209 | else if (mItemBufferPass->hasVertexProgram())
|
---|
1210 | {
|
---|
1211 | mItemBufferPass->setVertexProgram("");
|
---|
1212 | }
|
---|
1213 |
|
---|
1214 | const Pass *usedPass = _setPass(mItemBufferPass);
|
---|
1215 |
|
---|
1216 |
|
---|
1217 | // render a single object, this will set up auto params if required
|
---|
1218 | renderSingleObject(rend, usedPass, false, &nullLightList);
|
---|
1219 | }
|
---|
1220 | #endif // ITEM_BUFFER
|
---|
1221 | //-----------------------------------------------------------------------
|
---|
1222 | GtpVisibility::VisibilityManager *OcclusionCullingSceneManager::GetVisibilityManager()
|
---|
1223 | {
|
---|
1224 | return mVisibilityManager;
|
---|
1225 | }
|
---|
1226 | //-----------------------------------------------------------------------
|
---|
1227 | void OcclusionCullingSceneManager::InitVisibilityCulling(Camera *cam)
|
---|
1228 | {
|
---|
1229 | // reset culling manager stats
|
---|
1230 | mVisibilityManager->GetCullingManager()->InitFrame(mVisualizeCulledNodes);
|
---|
1231 |
|
---|
1232 | // set depth pass flag before rendering
|
---|
1233 | mIsDepthPassPhase = mUseDepthPass;
|
---|
1234 |
|
---|
1235 | mIsHierarchicalCulling = true; // during hierarchical culling
|
---|
1236 |
|
---|
1237 | // item buffer needs full ambient lighting to use item colors as unique id
|
---|
1238 | if (mUseItemBuffer)
|
---|
1239 | {
|
---|
1240 | mIsItemBufferPhase = true;
|
---|
1241 | setAmbientLight(ColourValue(1,1,1,1));
|
---|
1242 | }
|
---|
1243 |
|
---|
1244 |
|
---|
1245 | // set passes which are stored in render queue
|
---|
1246 | // for rendering AFTER hierarchical culling, i.e., passes which need
|
---|
1247 | // a special rendering order
|
---|
1248 |
|
---|
1249 | mLeavePassesInQueue = 0;
|
---|
1250 |
|
---|
1251 | // if we have the depth pass or use an item buffer, no passes are left in the queue
|
---|
1252 | if (1 && !mUseDepthPass && !mUseItemBuffer)
|
---|
1253 | {
|
---|
1254 | if (mShadowTechnique == SHADOWTYPE_STENCIL_ADDITIVE)
|
---|
1255 | {
|
---|
1256 | // TODO: remove this pass because it should be processed during hierarchical culling
|
---|
1257 | //mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_NOSHADOW;
|
---|
1258 |
|
---|
1259 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_DECAL;
|
---|
1260 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_DIFFUSE_SPECULAR;
|
---|
1261 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
1262 |
|
---|
1263 | // just render ambient passes
|
---|
1264 | /*** msz: no more IRS_AMBIENT, see OgreSceneManager.h ***/
|
---|
1265 | // mIlluminationStage = IRS_AMBIENT;
|
---|
1266 | //getRenderQueue()->setSplitPassesByLightingType(true);
|
---|
1267 | }
|
---|
1268 |
|
---|
1269 | if (mShadowTechnique == SHADOWTYPE_STENCIL_MODULATIVE)
|
---|
1270 | {
|
---|
1271 | mLeavePassesInQueue |= RenderPriorityGroup::SOLID_PASSES_NOSHADOW;
|
---|
1272 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
1273 | }
|
---|
1274 |
|
---|
1275 | // transparents should be rendered after hierarchical culling to
|
---|
1276 | // provide front-to-back ordering
|
---|
1277 | if (mDelayRenderTransparents)
|
---|
1278 | {
|
---|
1279 | mLeavePassesInQueue |= RenderPriorityGroup::TRANSPARENT_PASSES;
|
---|
1280 | }
|
---|
1281 | }
|
---|
1282 |
|
---|
1283 | // skip rendering transparents during the hierarchical culling
|
---|
1284 | // (because they will be rendered afterwards)
|
---|
1285 | mSkipTransparents =
|
---|
1286 | (mIsDepthPassPhase || (mLeavePassesInQueue & RenderPriorityGroup::TRANSPARENT_PASSES));
|
---|
1287 |
|
---|
1288 | // -- initialise interface for rendering traversal of the hierarchy
|
---|
1289 | mHierarchyInterface->SetHierarchyRoot(mOctree);
|
---|
1290 |
|
---|
1291 | // possible two cameras (one for culling, one for rendering)
|
---|
1292 | mHierarchyInterface->InitTraversal(mCameraInProgress,
|
---|
1293 | mCullCamera ? getCamera("CullCamera") : NULL,
|
---|
1294 | mLeavePassesInQueue);
|
---|
1295 |
|
---|
1296 | }
|
---|
1297 | //-----------------------------------------------------------------------
|
---|
1298 | OctreeHierarchyInterface *OcclusionCullingSceneManager::GetHierarchyInterface()
|
---|
1299 | {
|
---|
1300 | return mHierarchyInterface;
|
---|
1301 | }
|
---|
1302 | //-----------------------------------------------------------------------
|
---|
1303 | void OcclusionCullingSceneManager::endFrame()
|
---|
1304 | {
|
---|
1305 | TerrainRenderable::ResetRenderLevelIndex();
|
---|
1306 | }
|
---|
1307 | //-----------------------------------------------------------------------
|
---|
1308 | Entity* OcclusionCullingSceneManager::createEntity(const String& entityName,
|
---|
1309 | const String& meshName)
|
---|
1310 | {
|
---|
1311 | Entity *ent = SceneManager::createEntity(entityName, meshName);
|
---|
1312 |
|
---|
1313 | for (int i = 0; i < (int)ent->getNumSubEntities(); ++i)
|
---|
1314 | {
|
---|
1315 | ent->getSubEntity(i)->setId(mCurrentEntityId);
|
---|
1316 | }
|
---|
1317 |
|
---|
1318 | // increase counter of entity id values
|
---|
1319 | ++ mCurrentEntityId;
|
---|
1320 |
|
---|
1321 | return ent;
|
---|
1322 | }
|
---|
1323 | //-----------------------------------------------------------------------
|
---|
1324 | void OcclusionCullingSceneManager::renderAdditiveStencilShadowedQueueGroupObjects(
|
---|
1325 | RenderQueueGroup* pGroup, QueuedRenderableCollection::OrganisationMode om)
|
---|
1326 | {
|
---|
1327 | // only render solid passes during hierarchical culling
|
---|
1328 | if (mIsHierarchicalCulling)
|
---|
1329 | {
|
---|
1330 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1331 | LightList lightList;
|
---|
1332 |
|
---|
1333 | while (groupIt.hasMoreElements())
|
---|
1334 | {
|
---|
1335 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
1336 |
|
---|
1337 | // Sort the queue first
|
---|
1338 | pPriorityGrp->sort(mCameraInProgress);
|
---|
1339 |
|
---|
1340 | // Clear light list
|
---|
1341 | lightList.clear();
|
---|
1342 |
|
---|
1343 | // Render all the ambient passes first, no light iteration, no lights
|
---|
1344 | /*** msz: no more IRS_AMBIENT, see OgreSceneManager.h ***/
|
---|
1345 | // mIlluminationStage = IRS_AMBIENT;
|
---|
1346 |
|
---|
1347 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsBasic(), om, false, &lightList);
|
---|
1348 | // Also render any objects which have receive shadows disabled
|
---|
1349 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsNoShadowReceive(), om, true);
|
---|
1350 | #if 0
|
---|
1351 | std::stringstream d;
|
---|
1352 | d << " solid size: " << (int)pPriorityGrp->_getSolidPasses().size()
|
---|
1353 | << " solid no shadow size: " << (int)pPriorityGrp->_getSolidPassesNoShadow().size()
|
---|
1354 | << "difspec size: " << (int)pPriorityGrp->_getSolidPassesDiffuseSpecular().size()
|
---|
1355 | << " decal size: " << (int)pPriorityGrp->_getSolidPassesDecal().size();
|
---|
1356 | LogManager::getSingleton().logMessage(d.str());
|
---|
1357 | #endif
|
---|
1358 | }
|
---|
1359 | }
|
---|
1360 | else // render the rest of the passes
|
---|
1361 | {
|
---|
1362 | OctreeSceneManager::renderAdditiveStencilShadowedQueueGroupObjects(pGroup, om);
|
---|
1363 | }
|
---|
1364 | }
|
---|
1365 | //-----------------------------------------------------------------------
|
---|
1366 | void OcclusionCullingSceneManager::renderModulativeStencilShadowedQueueGroupObjects(
|
---|
1367 | RenderQueueGroup* pGroup, QueuedRenderableCollection::OrganisationMode om)
|
---|
1368 | {
|
---|
1369 | if (mIsHierarchicalCulling)
|
---|
1370 | {
|
---|
1371 | // Iterate through priorities
|
---|
1372 | RenderQueueGroup::PriorityMapIterator groupIt = pGroup->getIterator();
|
---|
1373 |
|
---|
1374 | while (groupIt.hasMoreElements())
|
---|
1375 | {
|
---|
1376 | RenderPriorityGroup* pPriorityGrp = groupIt.getNext();
|
---|
1377 |
|
---|
1378 | // Sort the queue first
|
---|
1379 | pPriorityGrp->sort(mCameraInProgress);
|
---|
1380 | // Do (shadowable) solids
|
---|
1381 | OctreeSceneManager::renderObjects(pPriorityGrp->getSolidsBasic(), om, true);
|
---|
1382 | }
|
---|
1383 | }
|
---|
1384 | else
|
---|
1385 | {
|
---|
1386 | OctreeSceneManager::renderModulativeStencilShadowedQueueGroupObjects(pGroup, om);
|
---|
1387 | }
|
---|
1388 | }
|
---|
1389 | //-------------------------------------------------------------------------
|
---|
1390 | void OcclusionCullingSceneManager::SetObjectsVisible(const bool visible)
|
---|
1391 | {
|
---|
1392 | GtpVisibilityPreprocessor::ObjectContainer::iterator it, it_end = mObjects.end();
|
---|
1393 |
|
---|
1394 | for (it = mObjects.begin(); it != it_end; ++ it)
|
---|
1395 | {
|
---|
1396 | GtpVisibilityPreprocessor::Intersectable *entry = *it;
|
---|
1397 |
|
---|
1398 | switch (entry->Type())
|
---|
1399 | {
|
---|
1400 | case GtpVisibilityPreprocessor::Intersectable::OGRE_MESH_INSTANCE:
|
---|
1401 | {
|
---|
1402 | OgreMeshInstance *omi = static_cast<OgreMeshInstance *>(entry);
|
---|
1403 | omi->GetEntity()->setVisible(visible);
|
---|
1404 | //GtpVisibilityPreprocessor::Debug << "assigned id " << omi->GetId() << endl;
|
---|
1405 | }
|
---|
1406 | break;
|
---|
1407 | case GtpVisibilityPreprocessor::Intersectable::ENGINE_INTERSECTABLE:
|
---|
1408 | {
|
---|
1409 | EngineIntersectable *oi = static_cast<EngineIntersectable *>(entry);
|
---|
1410 |
|
---|
1411 | EntityContainer *entries = oi->GetItem();
|
---|
1412 | EntityContainer::const_iterator eit,
|
---|
1413 | eit_end = entries->end();
|
---|
1414 | for (eit = entries->begin(); eit != eit_end; ++ eit)
|
---|
1415 | {
|
---|
1416 | Entity *ent = *eit;
|
---|
1417 | ent->setVisible(visible);
|
---|
1418 | }
|
---|
1419 | }
|
---|
1420 | break;
|
---|
1421 | default:
|
---|
1422 | break;
|
---|
1423 | }
|
---|
1424 | }
|
---|
1425 | }
|
---|
1426 | //-----------------------------------------------------------------------
|
---|
1427 | bool OcclusionCullingSceneManager::LoadViewCells(const String &filename)
|
---|
1428 | {
|
---|
1429 | // no filename specified
|
---|
1430 | if (filename == "")
|
---|
1431 | return false;
|
---|
1432 |
|
---|
1433 | // view cells already loaded
|
---|
1434 | if (mViewCellsLoaded)
|
---|
1435 | return true;
|
---|
1436 |
|
---|
1437 | // converter between view cell ids and Ogre entites
|
---|
1438 | OctreeBoundingBoxConverter bconverter(this);
|
---|
1439 |
|
---|
1440 | // load the view cells assigning the found objects to the pvss
|
---|
1441 | const bool finalizeViewCells = false;
|
---|
1442 |
|
---|
1443 | mViewCellsManager = GtpVisibilityPreprocessor::
|
---|
1444 | ViewCellsManager::LoadViewCells(filename,
|
---|
1445 | &mObjects,
|
---|
1446 | true,
|
---|
1447 | &bconverter);
|
---|
1448 |
|
---|
1449 | Ogre::LogManager::getSingleton().logMessage("*******************");
|
---|
1450 |
|
---|
1451 | // objects are set to invisible initially
|
---|
1452 | SetObjectsVisible(false);
|
---|
1453 |
|
---|
1454 | if (finalizeViewCells)
|
---|
1455 | {
|
---|
1456 | CreateViewCellsGeometry();
|
---|
1457 | }
|
---|
1458 |
|
---|
1459 | return (mViewCellsManager != NULL);
|
---|
1460 | }
|
---|
1461 | //-------------------------------------------------------------------------
|
---|
1462 | void OcclusionCullingSceneManager::ApplyViewCellPvs(GtpVisibilityPreprocessor::ViewCell *vc,
|
---|
1463 | const bool load)
|
---|
1464 | {
|
---|
1465 | // NOTE: should not encounter NULL view cell,
|
---|
1466 | // rather apply view cell representing unbounded space then
|
---|
1467 | if (!vc)
|
---|
1468 | {
|
---|
1469 | LogManager::getSingleton().logMessage("error: should not come here");
|
---|
1470 | // question: if no view cell, set everything visible?
|
---|
1471 | //SetObjectsVisible(true);
|
---|
1472 | SetObjectsVisible(false);
|
---|
1473 | return;
|
---|
1474 | }
|
---|
1475 |
|
---|
1476 | GtpVisibilityPreprocessor::ObjectPvsIterator pit = vc->GetPvs().GetIterator();
|
---|
1477 |
|
---|
1478 | ////////////
|
---|
1479 | //-- set PVS of view cell to visible
|
---|
1480 |
|
---|
1481 | std::stringstream d; d << "appying new view cell pvs: " << vc->GetPvs().GetSize();
|
---|
1482 | LogManager::getSingleton().logMessage(d.str());
|
---|
1483 |
|
---|
1484 | while (pit.HasMoreEntries())
|
---|
1485 | {
|
---|
1486 | GtpVisibilityPreprocessor::ObjectPvsEntry entry = pit.Next();
|
---|
1487 | GtpVisibilityPreprocessor::Intersectable *obj = entry.mObject;
|
---|
1488 |
|
---|
1489 | // no associated geometry found
|
---|
1490 | if (!obj) continue;
|
---|
1491 |
|
---|
1492 | switch (obj->Type())
|
---|
1493 | {
|
---|
1494 | case GtpVisibilityPreprocessor::Intersectable::OGRE_MESH_INSTANCE:
|
---|
1495 | {
|
---|
1496 | OgreMeshInstance *omi = static_cast<OgreMeshInstance *>(obj);
|
---|
1497 | omi->GetEntity()->setVisible(load);
|
---|
1498 | }
|
---|
1499 | break;
|
---|
1500 | case GtpVisibilityPreprocessor::Intersectable::ENGINE_INTERSECTABLE:
|
---|
1501 | {
|
---|
1502 | EngineIntersectable *oi = static_cast<EngineIntersectable *>(obj);
|
---|
1503 |
|
---|
1504 | EntityContainer *entries = oi->GetItem();
|
---|
1505 |
|
---|
1506 | EntityContainer::const_iterator eit, eit_end = entries->end();
|
---|
1507 |
|
---|
1508 | for (eit = entries->begin(); eit != eit_end; ++ eit)
|
---|
1509 | {
|
---|
1510 | Entity *ent = *eit;
|
---|
1511 | ent->setVisible(load);
|
---|
1512 | }
|
---|
1513 | }
|
---|
1514 | break;
|
---|
1515 | default:
|
---|
1516 | break;
|
---|
1517 | }
|
---|
1518 | }
|
---|
1519 | }
|
---|
1520 | //-------------------------------------------------------------------------
|
---|
1521 | void OcclusionCullingSceneManager::UpdatePvs(Camera *cam)
|
---|
1522 | {
|
---|
1523 | if (!(mViewCellsLoaded && mUseViewCells))
|
---|
1524 | return;
|
---|
1525 |
|
---|
1526 | const GtpVisibilityPreprocessor::Vector3 viewPoint =
|
---|
1527 | OgreTypeConverter::ConvertFromOgre(cam->getDerivedPosition());
|
---|
1528 |
|
---|
1529 | //std::stringstream d; d << "vp: " << viewPoint;
|
---|
1530 | //LogManager::getSingleton().logMessage(d.str());
|
---|
1531 |
|
---|
1532 | GtpVisibilityPreprocessor::ViewCell *newElementary =
|
---|
1533 | mViewCellsManager->GetViewCell(viewPoint);
|
---|
1534 |
|
---|
1535 | // elementary view cell did not change => don't change pvs
|
---|
1536 | if (mElementaryViewCell == newElementary)
|
---|
1537 | return;
|
---|
1538 |
|
---|
1539 | mElementaryViewCell = newElementary;
|
---|
1540 |
|
---|
1541 |
|
---|
1542 | //////////////
|
---|
1543 | //-- unload old pvs
|
---|
1544 |
|
---|
1545 | ApplyViewCellPvs(mCurrentViewCell, false);
|
---|
1546 |
|
---|
1547 | // the new view cell
|
---|
1548 | GtpVisibilityPreprocessor::ViewCell *viewCell;
|
---|
1549 |
|
---|
1550 | if (mUseVisibilityFilter)
|
---|
1551 | {
|
---|
1552 | ////////////
|
---|
1553 | //-- compute new filtered cell
|
---|
1554 |
|
---|
1555 | GtpVisibilityPreprocessor::PrVs prvs;
|
---|
1556 | mViewCellsManager->GetPrVS(viewPoint, prvs, 5);
|
---|
1557 | viewCell = prvs.mViewCell;
|
---|
1558 | }
|
---|
1559 | else
|
---|
1560 | {
|
---|
1561 | viewCell = newElementary;
|
---|
1562 | }
|
---|
1563 |
|
---|
1564 | ///////////////
|
---|
1565 | //-- load new pvs
|
---|
1566 |
|
---|
1567 | ApplyViewCellPvs(viewCell, true);
|
---|
1568 |
|
---|
1569 | if (viewCell)
|
---|
1570 | {
|
---|
1571 | // store current view cell
|
---|
1572 | mCurrentViewCell->SetPvs(viewCell->GetPvs());
|
---|
1573 | mCurrentViewCell->SetMesh(viewCell->GetMesh());
|
---|
1574 | mCurrentViewCell->SetId(viewCell->GetId());
|
---|
1575 |
|
---|
1576 | // delete merge tree of filtered view cell
|
---|
1577 | if (mUseVisibilityFilter)
|
---|
1578 | mViewCellsManager->DeleteLocalMergeTree(viewCell);
|
---|
1579 | }
|
---|
1580 | }
|
---|
1581 | //-------------------------------------------------------------------------
|
---|
1582 | void OcclusionCullingSceneManager::CreateViewCellsGeometry()
|
---|
1583 | {
|
---|
1584 | //LogManager::getSingleton().logMessage("creating view cells geometry");
|
---|
1585 | if (mViewCellsGeometryLoaded) return;
|
---|
1586 |
|
---|
1587 | GtpVisibilityPreprocessor::ViewCellContainer viewCells =
|
---|
1588 | mViewCellsManager->GetViewCells();
|
---|
1589 |
|
---|
1590 | GtpVisibilityPreprocessor::ViewCellContainer::const_iterator it, it_end = viewCells.end();
|
---|
1591 | for (it = viewCells.begin(); it != it_end; ++ it)
|
---|
1592 | {
|
---|
1593 | GtpVisibilityPreprocessor::ViewCell *viewCell = *it;
|
---|
1594 |
|
---|
1595 | ManualObject *manual =
|
---|
1596 | OgreTypeConverter::ConvertToOgre(viewCell->GetMesh(), this);
|
---|
1597 |
|
---|
1598 | if (manual)
|
---|
1599 | {
|
---|
1600 | mViewCellsGeometry[viewCell->GetId()] = manual;
|
---|
1601 |
|
---|
1602 | // attach to scene node
|
---|
1603 | getRootSceneNode()->createChildSceneNode()->attachObject(manual);
|
---|
1604 | manual->setQueryFlags(0); // returned by no query
|
---|
1605 |
|
---|
1606 | // initialy set to invisible
|
---|
1607 | manual->setVisible(false);
|
---|
1608 | }
|
---|
1609 | }
|
---|
1610 |
|
---|
1611 | mViewCellsGeometryLoaded = true;
|
---|
1612 | }
|
---|
1613 | //-------------------------------------------------------------------------
|
---|
1614 | void OcclusionCullingSceneManager::VisualizeViewCells(const bool visualize)
|
---|
1615 | {
|
---|
1616 | MovableMap::const_iterator mit, mit_end = mViewCellsGeometry.end();
|
---|
1617 |
|
---|
1618 | for (mit = mViewCellsGeometry.begin(); mit != mit_end; ++ mit)
|
---|
1619 | {
|
---|
1620 | if ((*mit).second)
|
---|
1621 | (*mit).second->setVisible(visualize);
|
---|
1622 | }
|
---|
1623 | }
|
---|
1624 | #if 0
|
---|
1625 | //-------------------------------------------------------------------------
|
---|
1626 | void OcclusionCullingSceneManager::TestVisible(SceneNode *node)
|
---|
1627 | {
|
---|
1628 | // first test for scene node, then for octant (part of the hierarchy)
|
---|
1629 | if (!node->mVisibleChildren)
|
---|
1630 | {
|
---|
1631 | node->setVisible(false);
|
---|
1632 | }
|
---|
1633 |
|
---|
1634 | node->getOctant()->mVisibleChildren --;
|
---|
1635 | }
|
---|
1636 | //-------------------------------------------------------------------------
|
---|
1637 | void OcclusionCullingSceneManager::TestVisible(Octree *octant)
|
---|
1638 | {
|
---|
1639 | // first test for scene node, then for octant (part of the hierarchy)
|
---|
1640 | if (!octant->mVisibleChildren)
|
---|
1641 | {
|
---|
1642 | octant->setVisible(false);
|
---|
1643 | }
|
---|
1644 | }
|
---|
1645 |
|
---|
1646 | //-------------------------------------------------------------------------
|
---|
1647 | void OcclusionCullingSceneManager::UpdateVisibility(Entity *ent)
|
---|
1648 | {
|
---|
1649 | if (!ent->isVisible())
|
---|
1650 | {
|
---|
1651 | bool visible = TestVisible(ent->getParentNode());
|
---|
1652 |
|
---|
1653 | if (!visible)
|
---|
1654 | visible = TestVisible(octant->getParentNode());
|
---|
1655 |
|
---|
1656 | if (!visible)
|
---|
1657 | mHierarchyInterface->pullupVisibility();
|
---|
1658 | }
|
---|
1659 | }
|
---|
1660 | #endif
|
---|
1661 | // splits strings containing multiple file names
|
---|
1662 | static int SplitFilenames(const std::string str,
|
---|
1663 | std::vector<std::string> &filenames)
|
---|
1664 | {
|
---|
1665 | int pos = 0;
|
---|
1666 |
|
---|
1667 | while(1)
|
---|
1668 | {
|
---|
1669 | int npos = (int)str.find(';', pos);
|
---|
1670 |
|
---|
1671 | if (npos < 0 || npos - pos < 1)
|
---|
1672 | break;
|
---|
1673 | filenames.push_back(std::string(str, pos, npos - pos));
|
---|
1674 | pos = npos + 1;
|
---|
1675 | }
|
---|
1676 |
|
---|
1677 | filenames.push_back(std::string(str, pos, str.size() - pos));
|
---|
1678 | return (int)filenames.size();
|
---|
1679 | }
|
---|
1680 | //-----------------------------------------------------------------------
|
---|
1681 | bool OcclusionCullingSceneManager::LoadScene(const String &filename)
|
---|
1682 | {
|
---|
1683 | using namespace std;
|
---|
1684 | // use leaf nodes of the original spatial hierarchy as occludees
|
---|
1685 | vector<string> filenames;
|
---|
1686 | const int files = SplitFilenames(filename, filenames);
|
---|
1687 |
|
---|
1688 | std::stringstream d;
|
---|
1689 | d << "number of input files: " << files << "\n";
|
---|
1690 | LogManager::getSingleton().logMessage(d.str());
|
---|
1691 |
|
---|
1692 | bool result = false;
|
---|
1693 | vector<string>::const_iterator fit, fit_end = filenames.end();
|
---|
1694 | int i = 0;
|
---|
1695 |
|
---|
1696 | if (filename == "terrain")
|
---|
1697 | {
|
---|
1698 | LogManager::getSingleton().logMessage("loading terrain");
|
---|
1699 |
|
---|
1700 | // terrain hack
|
---|
1701 | return false;
|
---|
1702 | }
|
---|
1703 | /*
|
---|
1704 | for (fit = filenames.begin(); fit != fit_end; ++ fit, ++ i)
|
---|
1705 | {
|
---|
1706 | const string fn = *fit;
|
---|
1707 |
|
---|
1708 | if (strstr(fn.c_str(), ".iv") || strstr(fn.c_str(), ".wrl"))
|
---|
1709 | {
|
---|
1710 | // load iv files
|
---|
1711 | if (!LoadSceneIV(fn, getRootSceneNode(), i))
|
---|
1712 | {
|
---|
1713 | // terrain hack
|
---|
1714 | LogManager::getSingleton().logMessage("error loading file");
|
---|
1715 | }
|
---|
1716 | }
|
---|
1717 |
|
---|
1718 | // at least one piece of geometry loaded
|
---|
1719 | result = true;
|
---|
1720 | }
|
---|
1721 | */ result=true;
|
---|
1722 | return result;
|
---|
1723 | }
|
---|
1724 | //-----------------------------------------------------------------------
|
---|
1725 | bool OcclusionCullingSceneManager::LoadSceneIV(const String &filename,
|
---|
1726 | SceneNode *root,
|
---|
1727 | const int index)
|
---|
1728 | {
|
---|
1729 | IVReader ivReader;
|
---|
1730 |
|
---|
1731 | Timer *timer = PlatformManager::getSingleton().createTimer();
|
---|
1732 | timer->reset();
|
---|
1733 |
|
---|
1734 | if (1)
|
---|
1735 | {
|
---|
1736 | std::string logFilename = "IVLog" + Ogre::StringConverter().toString(index) + ".log";
|
---|
1737 |
|
---|
1738 | Log *log = LogManager::getSingleton().createLog(logFilename);
|
---|
1739 | ivReader.setLog(log);
|
---|
1740 | }
|
---|
1741 |
|
---|
1742 | //viennaNode->translate(Vector3(-300, -300, 0));
|
---|
1743 |
|
---|
1744 | if (ivReader.loadFile(filename.c_str()))
|
---|
1745 | {
|
---|
1746 | SceneNode *node = root->createChildSceneNode("IVSceneNode" + index);
|
---|
1747 |
|
---|
1748 | ivReader.buildTree(this, node);
|
---|
1749 |
|
---|
1750 | ivReader.collapse();
|
---|
1751 |
|
---|
1752 | std::stringstream d;
|
---|
1753 | d << "loaded " << filename << " in " << timer->getMilliseconds() * 1e-3 << " secs";
|
---|
1754 | LogManager::getSingleton().logMessage(d.str());
|
---|
1755 |
|
---|
1756 | PlatformManager::getSingleton().destroyTimer(timer);
|
---|
1757 |
|
---|
1758 | //-- bake into static geometry
|
---|
1759 | /*if (USE_STATIC_GEOMETRY)
|
---|
1760 | {
|
---|
1761 | BakeSceneIntoStaticGeometry("staticVienna", "Vienna");
|
---|
1762 | }*/
|
---|
1763 |
|
---|
1764 | return true;
|
---|
1765 | }
|
---|
1766 |
|
---|
1767 | return false;
|
---|
1768 | }
|
---|
1769 | //-----------------------------------------------------------------------
|
---|
1770 | const String OcclusionCullingSceneManagerFactory::FACTORY_TYPE_NAME = "OcclusionCullingSceneManager";
|
---|
1771 | //-----------------------------------------------------------------------
|
---|
1772 | void OcclusionCullingSceneManagerFactory::initMetaData(void) const
|
---|
1773 | {
|
---|
1774 | mMetaData.typeName = FACTORY_TYPE_NAME;
|
---|
1775 | mMetaData.description = "Scene manager organising the scene on the basis of an octree with advanced occlusion culling (TM).";
|
---|
1776 | mMetaData.sceneTypeMask = 0xFFFF; // support all types
|
---|
1777 | mMetaData.worldGeometrySupported = false;
|
---|
1778 | }
|
---|
1779 | //-----------------------------------------------------------------------
|
---|
1780 | SceneManager *OcclusionCullingSceneManagerFactory::createInstance(
|
---|
1781 | const String& instanceName)
|
---|
1782 | {
|
---|
1783 | OcclusionCullingSceneManager* tsm =
|
---|
1784 | new OcclusionCullingSceneManager(instanceName, visManager);
|
---|
1785 |
|
---|
1786 | // Create & register default sources (one per manager)
|
---|
1787 | HeightmapTerrainPageSource* ps = new HeightmapTerrainPageSource();
|
---|
1788 | mTerrainPageSources.push_back(ps);
|
---|
1789 | tsm->registerPageSource("Heightmap", ps);
|
---|
1790 |
|
---|
1791 | return tsm;
|
---|
1792 | }
|
---|
1793 | //-----------------------------------------------------------------------
|
---|
1794 | void OcclusionCullingSceneManagerFactory::destroyInstance(SceneManager* instance)
|
---|
1795 | {
|
---|
1796 | delete instance;
|
---|
1797 | }
|
---|
1798 |
|
---|
1799 | } // namespace Ogre
|
---|