1 | // ---------------------------------------------------------------------------
|
---|
2 | // Includes for all the program files to see
|
---|
3 | // ---------------------------------------------------------------------------
|
---|
4 | #include <string.h>
|
---|
5 | #include <stdlib.h>
|
---|
6 | #include <iostream>
|
---|
7 | using namespace std;
|
---|
8 | #include <xercesc/util/PlatformUtils.hpp>
|
---|
9 |
|
---|
10 | // ---------------------------------------------------------------------------
|
---|
11 | // Includes
|
---|
12 | // ---------------------------------------------------------------------------
|
---|
13 | #include <xercesc/framework/StdInInputSource.hpp>
|
---|
14 | #include <xercesc/parsers/SAXParser.hpp>
|
---|
15 | #include <xercesc/util/OutOfMemoryException.hpp>
|
---|
16 |
|
---|
17 | // ---------------------------------------------------------------------------
|
---|
18 | // Includes
|
---|
19 | // ---------------------------------------------------------------------------
|
---|
20 | #include <xercesc/sax/AttributeList.hpp>
|
---|
21 | #include <xercesc/sax/SAXParseException.hpp>
|
---|
22 | #include <xercesc/sax/SAXException.hpp>
|
---|
23 |
|
---|
24 | #include "ViewCellsParser.h"
|
---|
25 |
|
---|
26 | #include "ViewCellsParserXerces.h"
|
---|
27 | #include "Mesh.h"
|
---|
28 | #include "VspBspTree.h"
|
---|
29 | #include "ViewCellBsp.h"
|
---|
30 | #include "ViewCellsManager.h"
|
---|
31 | #include "GzFileInputSource.h"
|
---|
32 | #include "OspTree.h"
|
---|
33 | #include "VspTree.h"
|
---|
34 | #include "KdTree.h"
|
---|
35 | #include "BvHierarchy.h"
|
---|
36 | #include "HierarchyManager.h"
|
---|
37 |
|
---|
38 |
|
---|
39 | namespace GtpVisibilityPreprocessor {
|
---|
40 |
|
---|
41 |
|
---|
42 | // ---------------------------------------------------------------------------
|
---|
43 | // Local data
|
---|
44 | //
|
---|
45 | // doNamespaces
|
---|
46 | // Indicates whether namespace processing should be enabled or not.
|
---|
47 | // The default is no, but -n overrides that.
|
---|
48 | //
|
---|
49 | // doSchema
|
---|
50 | // Indicates whether schema processing should be enabled or not.
|
---|
51 | // The default is no, but -s overrides that.
|
---|
52 | //
|
---|
53 | // schemaFullChecking
|
---|
54 | // Indicates whether full schema constraint checking should be enabled or not.
|
---|
55 | // The default is no, but -s overrides that.
|
---|
56 | //
|
---|
57 | // valScheme
|
---|
58 | // Indicates what validation scheme to use. It defaults to 'auto', but
|
---|
59 | // can be set via the -v= command.
|
---|
60 | // ---------------------------------------------------------------------------
|
---|
61 | static bool doNamespaces = false;
|
---|
62 | static bool doSchema = false;
|
---|
63 | static bool schemaFullChecking = false;
|
---|
64 | static SAXParser::ValSchemes valScheme = SAXParser::Val_Auto;
|
---|
65 |
|
---|
66 | #define PVS_HACK 1
|
---|
67 |
|
---|
68 | inline static bool ilt(Intersectable *obj1, Intersectable *obj2)
|
---|
69 | {
|
---|
70 | return obj1->mId < obj2->mId;
|
---|
71 | }
|
---|
72 |
|
---|
73 |
|
---|
74 | // ---------------------------------------------------------------------------
|
---|
75 | // StdInParseHandlers: Constructors and Destructor
|
---|
76 | // ---------------------------------------------------------------------------
|
---|
77 | ViewCellsParseHandlers::ViewCellsParseHandlers(ObjectContainer *objects,
|
---|
78 | BoundingBoxConverter *bconverter):
|
---|
79 | mElementCount(0)
|
---|
80 | , mAttrCount(0)
|
---|
81 | , mCharacterCount(0)
|
---|
82 | , mSpaceCount(0)
|
---|
83 | , mViewCellsManager(NULL)
|
---|
84 | , mVspBspTree(NULL)
|
---|
85 | , mBspTree(NULL)
|
---|
86 | , mViewCellsTree(NULL)
|
---|
87 | , mCurrentState(PARSE_OPTIONS)
|
---|
88 | , mCurrentViewCell(NULL)
|
---|
89 | , mCurrentBspNode(NULL)
|
---|
90 | , mCurrentVspNode(NULL)
|
---|
91 | , mCurrentOspNode(NULL)
|
---|
92 | , mCurrentBvhNode(NULL)
|
---|
93 | , mObjects(objects)
|
---|
94 | , mBoundingBoxConverter(bconverter)
|
---|
95 | , mHierarchyManager(NULL)
|
---|
96 | , nViewCells(0)
|
---|
97 | , nObjects(0)
|
---|
98 | {
|
---|
99 | std::stable_sort(mObjects->begin(), mObjects->end(), ilt);
|
---|
100 | }
|
---|
101 |
|
---|
102 |
|
---|
103 | ViewCellsParseHandlers::~ViewCellsParseHandlers()
|
---|
104 | {
|
---|
105 | }
|
---|
106 |
|
---|
107 |
|
---|
108 | // ---------------------------------------------------------------------------
|
---|
109 | // StdInParseHandlers: Implementation of the SAX DocumentHandler interface
|
---|
110 | // ---------------------------------------------------------------------------
|
---|
111 |
|
---|
112 |
|
---|
113 | void ViewCellsParseHandlers::endElement(const XMLCh* const name)
|
---|
114 | {
|
---|
115 | StrX lname(name);
|
---|
116 | string element(lname.LocalForm());
|
---|
117 |
|
---|
118 | if (element == "BoundingBoxes")
|
---|
119 | {
|
---|
120 | EndBoundingBoxes();
|
---|
121 | }
|
---|
122 |
|
---|
123 | if (element == "ViewCells")
|
---|
124 | {
|
---|
125 | EndViewCells();
|
---|
126 | }
|
---|
127 |
|
---|
128 | if (element == "ObjectSpaceHierarchy")
|
---|
129 | {
|
---|
130 | EndObjectSpaceHierarchy();
|
---|
131 | }
|
---|
132 |
|
---|
133 | // finished, create view cells manager
|
---|
134 | if (element == "VisibilitySolution")
|
---|
135 | {
|
---|
136 | CreateViewCellsManager();
|
---|
137 | }
|
---|
138 |
|
---|
139 | if (element == "Interior")
|
---|
140 | {
|
---|
141 | switch (mCurrentState)
|
---|
142 | {
|
---|
143 | case PARSE_VIEWCELLS:
|
---|
144 | EndViewCellInterior();
|
---|
145 | break;
|
---|
146 | case PARSE_OBJECTSPACE_HIERARCHY:
|
---|
147 | EndObjectSpaceHierarchyInterior();
|
---|
148 | break;
|
---|
149 | case PARSE_VIEWSPACE_HIERARCHY:
|
---|
150 | EndViewSpaceHierarchyInterior();
|
---|
151 | break;
|
---|
152 | default:
|
---|
153 | break;
|
---|
154 | }
|
---|
155 | }
|
---|
156 | }
|
---|
157 |
|
---|
158 |
|
---|
159 | void ViewCellsParseHandlers::EndObjectSpaceHierarchy()
|
---|
160 | {
|
---|
161 | if (mObjectSpaceHierarchyType == OSP)
|
---|
162 | {
|
---|
163 | // for a spatial subdivision, it is not necessary to store
|
---|
164 | // the objects with the leaves, they can be classified geometrically
|
---|
165 | mHierarchyManager->mOspTree->
|
---|
166 | InsertObjects(mHierarchyManager->mOspTree->mRoot, *mObjects);
|
---|
167 | }
|
---|
168 | }
|
---|
169 |
|
---|
170 |
|
---|
171 | void ViewCellsParseHandlers::EndViewSpaceHierarchyInterior()
|
---|
172 | {
|
---|
173 | switch (mViewSpaceHierarchyType)
|
---|
174 | {
|
---|
175 | case BSP:
|
---|
176 | EndBspInterior();
|
---|
177 | break;
|
---|
178 | case VSP:
|
---|
179 | EndVspInterior();
|
---|
180 | break;
|
---|
181 | default:
|
---|
182 | Debug << "not implemented view space hierarchy type " << mViewSpaceHierarchyType << endl;
|
---|
183 | break;
|
---|
184 | }
|
---|
185 | }
|
---|
186 |
|
---|
187 |
|
---|
188 | void ViewCellsParseHandlers::EndObjectSpaceHierarchyInterior()
|
---|
189 | {
|
---|
190 | switch (mObjectSpaceHierarchyType)
|
---|
191 | {
|
---|
192 | case OSP:
|
---|
193 | EndOspInterior();
|
---|
194 | break;
|
---|
195 | case BVH:
|
---|
196 | EndBvhInterior();
|
---|
197 | break;
|
---|
198 | default:
|
---|
199 | Debug << "not implemented object space hierarchy type " << mViewSpaceHierarchyType << endl;
|
---|
200 | break;
|
---|
201 | }
|
---|
202 | }
|
---|
203 |
|
---|
204 |
|
---|
205 | void ViewCellsParseHandlers::EndBspInterior()
|
---|
206 | {
|
---|
207 | // go one up in the tree
|
---|
208 | if (mCurrentBspNode->GetParent())
|
---|
209 | { //cout << "]";
|
---|
210 | mCurrentBspNode = mCurrentBspNode->GetParent();
|
---|
211 | }
|
---|
212 | }
|
---|
213 |
|
---|
214 |
|
---|
215 | void ViewCellsParseHandlers::EndBvhInterior()
|
---|
216 | {
|
---|
217 | // go one up in the tree
|
---|
218 | if (mCurrentBvhNode->GetParent())
|
---|
219 | { //cout << "]";
|
---|
220 | mCurrentBvhNode = mCurrentBvhNode->GetParent();
|
---|
221 | }
|
---|
222 | }
|
---|
223 |
|
---|
224 |
|
---|
225 | void ViewCellsParseHandlers::EndOspInterior()
|
---|
226 | {
|
---|
227 | // go one up in the tree
|
---|
228 | if (mCurrentOspNode->mParent)
|
---|
229 | {
|
---|
230 | //cout << "]";
|
---|
231 | mCurrentOspNode = mCurrentOspNode->mParent;
|
---|
232 | }
|
---|
233 | }
|
---|
234 |
|
---|
235 |
|
---|
236 | void ViewCellsParseHandlers::EndVspInterior()
|
---|
237 | {
|
---|
238 | // go one up in the tree
|
---|
239 | if (mCurrentVspNode->GetParent())
|
---|
240 | {
|
---|
241 | //cout << "]";
|
---|
242 | mCurrentVspNode = mCurrentVspNode->GetParent();
|
---|
243 | }
|
---|
244 | }
|
---|
245 |
|
---|
246 |
|
---|
247 | void ViewCellsParseHandlers::EndViewCellInterior()
|
---|
248 | {
|
---|
249 | // go one up in the tree
|
---|
250 | if (mCurrentViewCell->GetParent())
|
---|
251 | {
|
---|
252 | //cout << "]";
|
---|
253 | mCurrentViewCell = mCurrentViewCell->GetParent();
|
---|
254 | }
|
---|
255 | }
|
---|
256 |
|
---|
257 |
|
---|
258 | inline static bool vlt(ViewCell *v1, ViewCell *v2)
|
---|
259 | {
|
---|
260 | return v1->mId < v2->mId;
|
---|
261 | }
|
---|
262 |
|
---|
263 |
|
---|
264 | void ViewCellsParseHandlers::EndViewCells()
|
---|
265 | {
|
---|
266 | // sort view cells to help associating view cells according to their id
|
---|
267 | stable_sort(mViewCells.begin(), mViewCells.end(), vlt);
|
---|
268 |
|
---|
269 | // not parsing view cells anymore
|
---|
270 | mCurrentState = PARSE_OPTIONS;
|
---|
271 | }
|
---|
272 |
|
---|
273 |
|
---|
274 | void ViewCellsParseHandlers::EndBoundingBoxes()
|
---|
275 | {
|
---|
276 | // all bounding boxes gathered in this step =>
|
---|
277 | // associate object ids with bounding boxes
|
---|
278 | const long startTime = GetTime();
|
---|
279 |
|
---|
280 | if (mBoundingBoxConverter)
|
---|
281 | {
|
---|
282 | mBoundingBoxConverter->IdentifyObjects(mIBoundingBoxes, *mObjects);
|
---|
283 | }
|
---|
284 |
|
---|
285 | Debug << "\nconverted bounding boxes to objects in "
|
---|
286 | << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
287 | }
|
---|
288 |
|
---|
289 |
|
---|
290 | void ViewCellsParseHandlers::StartBspElement(string element,
|
---|
291 | AttributeList& attributes)
|
---|
292 | {
|
---|
293 | if (element == "Interior")
|
---|
294 | {
|
---|
295 | //cout << "[";
|
---|
296 | StartBspInterior(attributes);
|
---|
297 | }
|
---|
298 |
|
---|
299 | if (element == "Leaf")
|
---|
300 | {
|
---|
301 | //cout << "l";
|
---|
302 | StartBspLeaf(attributes);
|
---|
303 | }
|
---|
304 | }
|
---|
305 |
|
---|
306 |
|
---|
307 | void ViewCellsParseHandlers::StartVspElement(string element,
|
---|
308 | AttributeList& attributes)
|
---|
309 | {
|
---|
310 | if (element == "Interior")
|
---|
311 | {
|
---|
312 | //cout << "[";
|
---|
313 | StartVspInterior(attributes);
|
---|
314 | }
|
---|
315 | if (element == "Leaf")
|
---|
316 | {
|
---|
317 | //cout << "l";
|
---|
318 | StartVspLeaf(attributes);
|
---|
319 | }
|
---|
320 | }
|
---|
321 |
|
---|
322 |
|
---|
323 | void ViewCellsParseHandlers::StartOspElement(string element,
|
---|
324 | AttributeList& attributes)
|
---|
325 | {
|
---|
326 | if (element == "Interior")
|
---|
327 | {
|
---|
328 | //cout << "[";
|
---|
329 | StartOspInterior(attributes);
|
---|
330 | }
|
---|
331 |
|
---|
332 | if (element == "Leaf")
|
---|
333 | {
|
---|
334 | //cout << "l";
|
---|
335 | StartOspLeaf(attributes);
|
---|
336 | }
|
---|
337 | }
|
---|
338 |
|
---|
339 |
|
---|
340 | void ViewCellsParseHandlers::StartBvhElement(string element,
|
---|
341 | AttributeList& attributes)
|
---|
342 | {
|
---|
343 | if (element == "Interior")
|
---|
344 | {
|
---|
345 | //cout << "[";
|
---|
346 | StartBvhInterior(attributes);
|
---|
347 | }
|
---|
348 |
|
---|
349 | if (element == "Leaf")
|
---|
350 | {
|
---|
351 | //cout << "l";
|
---|
352 | StartBvhLeaf(attributes);
|
---|
353 | }
|
---|
354 | }
|
---|
355 |
|
---|
356 |
|
---|
357 | void ViewCellsParseHandlers::StartViewSpaceHierarchyElement(const std::string &element,
|
---|
358 | AttributeList& attributes)
|
---|
359 | {
|
---|
360 | //-- use cell type according to the chosen method
|
---|
361 | switch (mViewSpaceHierarchyType)
|
---|
362 | {
|
---|
363 | case BSP:
|
---|
364 | StartBspElement(element, attributes);
|
---|
365 | break;
|
---|
366 | case VSP:
|
---|
367 | StartVspElement(element, attributes);
|
---|
368 | break;
|
---|
369 | default:
|
---|
370 | Debug << "not implemented" << endl;
|
---|
371 | break;
|
---|
372 | }
|
---|
373 | }
|
---|
374 |
|
---|
375 |
|
---|
376 | void ViewCellsParseHandlers::StartObjectSpaceHierarchyElement(const std::string &element,
|
---|
377 | AttributeList& attributes)
|
---|
378 | {
|
---|
379 | //-- use cell type according to the chosen method
|
---|
380 | switch (mObjectSpaceHierarchyType)
|
---|
381 | {
|
---|
382 | case OSP:
|
---|
383 | StartOspElement(element, attributes);
|
---|
384 | break;
|
---|
385 | case BVH:
|
---|
386 | StartBvhElement(element, attributes);
|
---|
387 | break;
|
---|
388 | default:
|
---|
389 | Debug << "not implemented" << endl;
|
---|
390 | break;
|
---|
391 | }
|
---|
392 | }
|
---|
393 |
|
---|
394 |
|
---|
395 | void ViewCellsParseHandlers::ExchangePvs(ViewCell *vc)
|
---|
396 | {
|
---|
397 | //cout << "exchanging pvs" << endl;
|
---|
398 |
|
---|
399 | sort(mBvhLeaves.begin(), mBvhLeaves.end(), ilt);
|
---|
400 | ObjectPvs newPvs;
|
---|
401 |
|
---|
402 | ObjectPvsIterator pit = vc->GetPvs().GetIterator();
|
---|
403 |
|
---|
404 | BvhLeaf *dummyInst = new BvhLeaf(AxisAlignedBox3());
|
---|
405 |
|
---|
406 | ObjectContainer oldIntersectables;
|
---|
407 | // output PVS of view cell
|
---|
408 | while (pit.HasMoreEntries())
|
---|
409 | {
|
---|
410 | ObjectPvsEntry entry = pit.Next();
|
---|
411 |
|
---|
412 | Intersectable *intersect = entry.mObject;
|
---|
413 | oldIntersectables.push_back(intersect);
|
---|
414 |
|
---|
415 | DummyIntersectable *dummyIntersect = static_cast<DummyIntersectable *>(intersect);
|
---|
416 |
|
---|
417 | const int objId = dummyIntersect->GetItem();
|
---|
418 | dummyInst->SetId(objId);
|
---|
419 |
|
---|
420 | vector<BvhLeaf *>::iterator oit =
|
---|
421 | lower_bound(mBvhLeaves.begin(),
|
---|
422 | mBvhLeaves.end(),
|
---|
423 | dummyInst, ilt);
|
---|
424 |
|
---|
425 | if ((oit != mBvhLeaves.end()) && ((*oit)->GetId() == objId))
|
---|
426 | {
|
---|
427 | // $$JB we should store a float a per object which corresponds
|
---|
428 | // to sumof pdfs, i.e. its relative visibility
|
---|
429 | // temporarily set to 1.0f
|
---|
430 | //cout << (*oit)->GetId() << " ";
|
---|
431 |
|
---|
432 | newPvs.AddSample(*oit, 1.0f);
|
---|
433 | }
|
---|
434 | else
|
---|
435 | {
|
---|
436 | Debug << "error: object with id " << objId << " does not exist" << endl;
|
---|
437 | }
|
---|
438 | }
|
---|
439 |
|
---|
440 | //newPvs.SimpleSort();
|
---|
441 | delete dummyInst;
|
---|
442 | vc->SetPvs(newPvs);
|
---|
443 |
|
---|
444 | CLEAR_CONTAINER(oldIntersectables);
|
---|
445 | }
|
---|
446 |
|
---|
447 |
|
---|
448 | void ViewCellsParseHandlers::ExchangeElements()
|
---|
449 | {
|
---|
450 | ViewCellContainer::const_iterator vit, vit_end = mViewCells.end();
|
---|
451 |
|
---|
452 | for (vit = mViewCells.begin(); vit != vit_end; ++ vit)
|
---|
453 | {//cout << "j";
|
---|
454 | ExchangePvs(*vit);
|
---|
455 | }
|
---|
456 | }
|
---|
457 |
|
---|
458 |
|
---|
459 | void ViewCellsParseHandlers::StartViewCellHierarchyElement(const std::string &element,
|
---|
460 | AttributeList& attributes)
|
---|
461 | {
|
---|
462 | // interiors + leaves interpreted view cells else
|
---|
463 | if (element == "Interior")
|
---|
464 | {
|
---|
465 | //cout << "[";
|
---|
466 | StartViewCell(attributes, false);
|
---|
467 | }
|
---|
468 |
|
---|
469 | if (element == "Leaf")
|
---|
470 | {
|
---|
471 | //cout << "l";
|
---|
472 | StartViewCell(attributes, true);
|
---|
473 | }
|
---|
474 | }
|
---|
475 |
|
---|
476 |
|
---|
477 | void ViewCellsParseHandlers::startElement(const XMLCh* const name,
|
---|
478 | AttributeList& attributes)
|
---|
479 | {
|
---|
480 | StrX lname(name);
|
---|
481 | string element(lname.LocalForm());
|
---|
482 |
|
---|
483 | if (element == "ViewCells")
|
---|
484 | {
|
---|
485 | cout << "\nparsing view cells" << endl;
|
---|
486 |
|
---|
487 | mCurrentState = PARSE_VIEWCELLS;
|
---|
488 |
|
---|
489 | // create new view cells hierarchy
|
---|
490 | mViewCellsTree = new ViewCellsTree();
|
---|
491 | }
|
---|
492 |
|
---|
493 | // decides about the view cell hierarchy
|
---|
494 | if (element == "ViewSpaceHierarchy")
|
---|
495 | {
|
---|
496 | cout << "\nparsing view space hierarchy" << endl;
|
---|
497 | mCurrentState = PARSE_VIEWSPACE_HIERARCHY;
|
---|
498 | StartViewSpaceHierarchy(attributes);
|
---|
499 | }
|
---|
500 |
|
---|
501 | // decides about the view cell hierarchy
|
---|
502 | if (element == "ObjectSpaceHierarchy")
|
---|
503 | {
|
---|
504 | cout << "\nparsing object space hierarchy" << endl;
|
---|
505 | mCurrentState = PARSE_OBJECTSPACE_HIERARCHY;
|
---|
506 | StartObjectSpaceHierarchy(attributes);
|
---|
507 | }
|
---|
508 |
|
---|
509 | // decides the used view cell hierarchy
|
---|
510 | if (element == "BoundingBox")
|
---|
511 | {
|
---|
512 | // cout << "b";
|
---|
513 | StartBoundingBox(attributes);
|
---|
514 | }
|
---|
515 |
|
---|
516 | // parse view space hierarchy
|
---|
517 | switch (mCurrentState)
|
---|
518 | {
|
---|
519 | case PARSE_VIEWSPACE_HIERARCHY:
|
---|
520 | if ((++ nViewCells % 1000) == 0)
|
---|
521 | cout<<"\r"<<nViewCells<<" view cells parsed\r";
|
---|
522 |
|
---|
523 | StartViewSpaceHierarchyElement(element, attributes);
|
---|
524 | break;
|
---|
525 | case PARSE_OBJECTSPACE_HIERARCHY:
|
---|
526 | if ((++ nObjects % 1000) == 0)
|
---|
527 | cout<<"\r"<< nObjects <<" objects parsed\r";
|
---|
528 |
|
---|
529 | StartObjectSpaceHierarchyElement(element, attributes);
|
---|
530 | break;
|
---|
531 | case PARSE_VIEWCELLS:
|
---|
532 | StartViewCellHierarchyElement(element, attributes);
|
---|
533 | break;
|
---|
534 | default:
|
---|
535 | break;
|
---|
536 | }
|
---|
537 |
|
---|
538 | ++ mElementCount;
|
---|
539 | mAttrCount += attributes.getLength();
|
---|
540 | }
|
---|
541 |
|
---|
542 |
|
---|
543 | void ViewCellsParseHandlers::StartViewCellPvs(ObjectPvs &pvs, const char *ptr)
|
---|
544 | {
|
---|
545 | // handle obect indices
|
---|
546 | vector<int> objIndices;
|
---|
547 | char *endptr;
|
---|
548 |
|
---|
549 | while (1)
|
---|
550 | { // read object ids
|
---|
551 | const int index = strtol(ptr, &endptr, 10);
|
---|
552 | if (ptr == endptr)
|
---|
553 | break;
|
---|
554 | objIndices.push_back(index);
|
---|
555 | ptr = endptr;
|
---|
556 | }
|
---|
557 |
|
---|
558 | // TODO:
|
---|
559 | // 1) find objects and add them to pvs
|
---|
560 | // 2) get view cell with specified id
|
---|
561 | MeshInstance dummyInst(NULL);
|
---|
562 |
|
---|
563 | vector<int>::const_iterator it, it_end = objIndices.end();
|
---|
564 | for (it = objIndices.begin(); it != it_end; ++ it)
|
---|
565 | {
|
---|
566 | #if PVS_HACK
|
---|
567 | //cout << "u";
|
---|
568 | pvs.AddSample(new DummyIntersectable(*it), 1);
|
---|
569 | #else
|
---|
570 | const int objId = *it;
|
---|
571 | dummyInst.SetId(objId);
|
---|
572 |
|
---|
573 | ObjectContainer::iterator oit =
|
---|
574 | lower_bound(mObjects->begin(),
|
---|
575 | mObjects->end(),
|
---|
576 | (Intersectable *)&dummyInst, ilt);
|
---|
577 |
|
---|
578 | if ((oit != mObjects->end()) && ((*oit)->GetId() == objId))
|
---|
579 | {
|
---|
580 | // $$JB we should store a float a per object which corresponds
|
---|
581 | // to sumof pdfs, i.e. its relative visibility
|
---|
582 | // temporarily set to 1.0f
|
---|
583 | //cout << "r";
|
---|
584 |
|
---|
585 | pvs.AddSample(*oit, 1.0f);
|
---|
586 | }
|
---|
587 | else
|
---|
588 | {
|
---|
589 | Debug << "error: object with id " << objId << " does not exist" << endl;
|
---|
590 | }
|
---|
591 | #endif
|
---|
592 | }
|
---|
593 | }
|
---|
594 |
|
---|
595 |
|
---|
596 | void ViewCellsParseHandlers::StartViewSpaceHierarchy(AttributeList& attributes)
|
---|
597 | {
|
---|
598 | int len = attributes.getLength();
|
---|
599 |
|
---|
600 | Vector3 bmin, bmax;
|
---|
601 |
|
---|
602 | for (int i = 0; i < len; ++ i)
|
---|
603 | {
|
---|
604 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
605 | StrX attrValue(attributes.getValue(i));
|
---|
606 | const char *ptr = attrValue.LocalForm();
|
---|
607 |
|
---|
608 | // hierarchy type
|
---|
609 | if (attrName == "type")
|
---|
610 | {
|
---|
611 | if (strcmp(ptr, "bsp") == 0)
|
---|
612 | {
|
---|
613 | Debug << "\nview space hierarchy: Bsp" << endl;
|
---|
614 | mViewSpaceHierarchyType = BSP;
|
---|
615 | }
|
---|
616 | else if (strcmp(ptr, "vsp") == 0)
|
---|
617 | {
|
---|
618 | Debug << "\nview space hierarchy: Vsp" << endl;
|
---|
619 | mViewSpaceHierarchyType = VSP;
|
---|
620 | }
|
---|
621 | }
|
---|
622 | else if (attrName == "min") // the view space extent
|
---|
623 | {
|
---|
624 | sscanf(ptr, "%f %f %f",
|
---|
625 | &bmin.x, &bmin.y, &bmin.z);
|
---|
626 | }
|
---|
627 | else if (attrName == "max")
|
---|
628 | {
|
---|
629 | sscanf(ptr, "%f %f %f",
|
---|
630 | &bmax.x, &bmax.y, &bmax.z);
|
---|
631 | }
|
---|
632 | }
|
---|
633 |
|
---|
634 | mViewSpaceBox = AxisAlignedBox3(bmin, bmax);
|
---|
635 |
|
---|
636 | // create the hierarchy based on this information
|
---|
637 | CreateViewSpaceHierarchy();
|
---|
638 | }
|
---|
639 |
|
---|
640 |
|
---|
641 | void ViewCellsParseHandlers::StartObjectSpaceHierarchy(AttributeList& attributes)
|
---|
642 | {
|
---|
643 | const int len = attributes.getLength();
|
---|
644 | Vector3 bmin, bmax;
|
---|
645 |
|
---|
646 | for (int i = 0; i < len; ++ i)
|
---|
647 | {
|
---|
648 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
649 | StrX attrValue(attributes.getValue(i));
|
---|
650 | const char *ptr = attrValue.LocalForm();
|
---|
651 |
|
---|
652 | // hierarchy type
|
---|
653 | if (attrName == "type")
|
---|
654 | {
|
---|
655 | if (strcmp(ptr, "osp") == 0)
|
---|
656 | {
|
---|
657 | Debug << "\nobject space hierarchy: Osp" << endl;
|
---|
658 |
|
---|
659 | mHierarchyManager =
|
---|
660 | new HierarchyManager(HierarchyManager::KD_BASED_OBJ_SUBDIV);
|
---|
661 |
|
---|
662 | DEL_PTR(mHierarchyManager->mVspTree);
|
---|
663 | mHierarchyManager->mVspTree = mVspTree;
|
---|
664 |
|
---|
665 | mObjectSpaceHierarchyType = OSP;
|
---|
666 |
|
---|
667 | //std::stable_sort(objects.begin(), objects.end(), ilt);
|
---|
668 | mHierarchyManager->mOspTree->mBoundingBox.Initialize();
|
---|
669 | ObjectContainer::const_iterator oit, oit_end = mObjects->end();
|
---|
670 |
|
---|
671 | //-- compute bounding box
|
---|
672 | for (oit = mObjects->begin(); oit != oit_end; ++ oit)
|
---|
673 | {
|
---|
674 | Intersectable *obj = *oit;
|
---|
675 | // compute bounding box of view space
|
---|
676 | mHierarchyManager->mOspTree->mBoundingBox.Include(obj->GetBox());
|
---|
677 | }
|
---|
678 | }
|
---|
679 | else if (strcmp(ptr, "bvh") == 0)
|
---|
680 | {
|
---|
681 | Debug << "\nobject space hierarchy: Bvh" << endl;
|
---|
682 | mObjectSpaceHierarchyType = BVH;
|
---|
683 | mHierarchyManager =
|
---|
684 | new HierarchyManager(HierarchyManager::BV_BASED_OBJ_SUBDIV);
|
---|
685 |
|
---|
686 | DEL_PTR(mHierarchyManager->mVspTree);
|
---|
687 | mHierarchyManager->mVspTree = mVspTree;
|
---|
688 | }
|
---|
689 | }
|
---|
690 | }
|
---|
691 | }
|
---|
692 |
|
---|
693 |
|
---|
694 | void ViewCellsParseHandlers::StartBoundingBox(AttributeList& attributes)
|
---|
695 | {
|
---|
696 | int len = attributes.getLength();
|
---|
697 |
|
---|
698 | Vector3 bmin, bmax;
|
---|
699 | int id;
|
---|
700 |
|
---|
701 | for (int i = 0; i < len; ++ i)
|
---|
702 | {
|
---|
703 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
704 | StrX attrValue(attributes.getValue(i));
|
---|
705 | const char *ptr = attrValue.LocalForm();
|
---|
706 |
|
---|
707 | if (attrName == "id")
|
---|
708 | {
|
---|
709 | sscanf(ptr, "%d", &id);
|
---|
710 | }
|
---|
711 | if (attrName == "min")
|
---|
712 | {
|
---|
713 | sscanf(ptr, "%f %f %f", &bmin.x, &bmin.y, &bmin.z);
|
---|
714 | }
|
---|
715 | else if (attrName == "max")
|
---|
716 | {
|
---|
717 | sscanf(ptr, "%f %f %f", &bmax.x, &bmax.y, &bmax.z);
|
---|
718 | }
|
---|
719 | }
|
---|
720 |
|
---|
721 | AxisAlignedBox3 box(bmin, bmax);
|
---|
722 | mIBoundingBoxes.push_back(IndexedBoundingBox(id, box));
|
---|
723 | //Debug << "bbox: " << box << endl;
|
---|
724 | }
|
---|
725 |
|
---|
726 |
|
---|
727 | void ViewCellsParseHandlers::StartBspLeaf(AttributeList& attributes)
|
---|
728 | {
|
---|
729 | BspLeaf * leaf;
|
---|
730 |
|
---|
731 | if (mCurrentBspNode) // replace front or (if not NULL) back child
|
---|
732 | {
|
---|
733 | BspInterior *interior = static_cast<BspInterior *>(mCurrentBspNode);
|
---|
734 |
|
---|
735 | leaf = new BspLeaf(interior);
|
---|
736 | interior->ReplaceChildLink(NULL, leaf);
|
---|
737 | }
|
---|
738 | else
|
---|
739 | {
|
---|
740 | leaf = new BspLeaf();
|
---|
741 | mVspBspTree->mRoot = leaf;
|
---|
742 | }
|
---|
743 |
|
---|
744 | ///////////
|
---|
745 | //-- find associated view cell
|
---|
746 |
|
---|
747 | int viewCellId;
|
---|
748 | const int len = attributes.getLength();
|
---|
749 |
|
---|
750 | for (int i = 0; i < len; ++ i)
|
---|
751 | {
|
---|
752 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
753 | StrX attrValue(attributes.getValue(i));
|
---|
754 |
|
---|
755 | const char *ptr = attrValue.LocalForm();
|
---|
756 | char *endptr = NULL;
|
---|
757 |
|
---|
758 | if (attrName == "viewCellId")
|
---|
759 | {
|
---|
760 | viewCellId = strtol(ptr, &endptr, 10);
|
---|
761 | }
|
---|
762 | }
|
---|
763 |
|
---|
764 | if (viewCellId >= 0) // valid view cell found
|
---|
765 | {
|
---|
766 | // TODO: get view cell with specified id
|
---|
767 | ViewCellInterior dummyVc;
|
---|
768 | dummyVc.SetId(viewCellId);
|
---|
769 |
|
---|
770 | ViewCellContainer::iterator vit =
|
---|
771 | lower_bound(mViewCells.begin(), mViewCells.end(), &dummyVc, vlt);
|
---|
772 |
|
---|
773 | //ViewCellsMap::iterator vit = mViewCells.find(viewCellId);
|
---|
774 | // BspViewCell *viewCell = static_cast<BspViewCell *>((*vit).second);
|
---|
775 | BspViewCell *viewCell = static_cast<BspViewCell *>(*vit);
|
---|
776 | if (viewCell->GetId() == viewCellId)
|
---|
777 | {
|
---|
778 | // create new view cell for bsp nodes
|
---|
779 | leaf->SetViewCell(viewCell);
|
---|
780 | viewCell->mLeaves.push_back(leaf);
|
---|
781 | }
|
---|
782 | else
|
---|
783 | {
|
---|
784 | cerr << "error: view cell does not exist" << endl;
|
---|
785 | }
|
---|
786 | }
|
---|
787 | else
|
---|
788 | {
|
---|
789 | // add to invalid view space
|
---|
790 | leaf->SetViewCell(mVspBspTree->GetOrCreateOutOfBoundsCell());
|
---|
791 | leaf->SetTreeValid(false);
|
---|
792 | mVspBspTree->PropagateUpValidity(leaf);
|
---|
793 | }
|
---|
794 | }
|
---|
795 |
|
---|
796 |
|
---|
797 | void ViewCellsParseHandlers::StartBspInterior(AttributeList& attributes)
|
---|
798 | {
|
---|
799 | Plane3 plane;
|
---|
800 | int len = attributes.getLength();
|
---|
801 |
|
---|
802 | for (int i = 0; i < len; ++ i)
|
---|
803 | {
|
---|
804 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
805 | StrX attrValue(attributes.getValue(i));
|
---|
806 | const char *ptr = attrValue.LocalForm();
|
---|
807 |
|
---|
808 | if (attrName == "plane")
|
---|
809 | {
|
---|
810 | sscanf(ptr, "%f %f %f %f",
|
---|
811 | &plane.mNormal.x, &plane.mNormal.y, &plane.mNormal.z, &plane.mD);
|
---|
812 | }
|
---|
813 | }
|
---|
814 |
|
---|
815 | BspInterior* interior = new BspInterior(plane);
|
---|
816 |
|
---|
817 | if (mCurrentBspNode) // replace NULL child of parent with current node
|
---|
818 | {
|
---|
819 | BspInterior *parent = static_cast<BspInterior *>(mCurrentBspNode);
|
---|
820 |
|
---|
821 | parent->ReplaceChildLink(NULL, interior);
|
---|
822 | interior->SetParent(parent);
|
---|
823 | }
|
---|
824 | else
|
---|
825 | {
|
---|
826 | mVspBspTree->mRoot = interior;
|
---|
827 | }
|
---|
828 |
|
---|
829 | mCurrentBspNode = interior;
|
---|
830 | }
|
---|
831 |
|
---|
832 |
|
---|
833 | ViewCell *ViewCellsParseHandlers::GetOrCreateViewCell(const int id, const bool isLeaf)
|
---|
834 | {/*
|
---|
835 | ViewCellsMap::iterator vit = mViewCells.find(id);
|
---|
836 |
|
---|
837 | if (vit != mViewCells.end())
|
---|
838 | {
|
---|
839 | return (*vit).second;
|
---|
840 | }
|
---|
841 | else
|
---|
842 | {
|
---|
843 | ViewCell *vc;
|
---|
844 | if (isLeaf)
|
---|
845 | {
|
---|
846 | vc = new ViewCellLeaf();
|
---|
847 | }
|
---|
848 | else
|
---|
849 | {
|
---|
850 | vc = new ViewCellInterior();
|
---|
851 | }
|
---|
852 |
|
---|
853 | vc->SetId(id);
|
---|
854 | mViewCells[id] = vc;
|
---|
855 | return vc;
|
---|
856 | }*/
|
---|
857 | return NULL;
|
---|
858 | }
|
---|
859 |
|
---|
860 |
|
---|
861 | void ViewCellsParseHandlers::StartViewCell(AttributeList& attributes, const bool isLeaf)
|
---|
862 | {
|
---|
863 | ViewCell *viewCell = NULL;
|
---|
864 |
|
---|
865 | const int len = attributes.getLength();
|
---|
866 | float mergeCost;
|
---|
867 | //ObjectPvs pvs;
|
---|
868 |
|
---|
869 | //viewCell = GetOrCreateViewCell(id, isLeaf);
|
---|
870 |
|
---|
871 | if (isLeaf)
|
---|
872 | {
|
---|
873 | viewCell = new ViewCellLeaf();
|
---|
874 | }
|
---|
875 | else
|
---|
876 | {
|
---|
877 | viewCell = new ViewCellInterior();
|
---|
878 | }
|
---|
879 |
|
---|
880 | for (int i = 0; i < len; ++ i)
|
---|
881 | {
|
---|
882 | const string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
883 |
|
---|
884 | if (attrName == "id")
|
---|
885 | {
|
---|
886 | const StrX attrValue(attributes.getValue(i));
|
---|
887 | const char *ptr = attrValue.LocalForm();
|
---|
888 | char *endptr = NULL;
|
---|
889 | const int id = strtol(ptr, &endptr, 10);
|
---|
890 |
|
---|
891 | // create new view cell, otherwise use reference.
|
---|
892 | //viewCell = GetOrCreateViewCell(id, isLeaf);
|
---|
893 | viewCell->SetId(id);
|
---|
894 |
|
---|
895 | if (mCurrentViewCell) // replace front or (if not NULL) back child
|
---|
896 | {
|
---|
897 | ViewCellInterior *interior =
|
---|
898 | static_cast<ViewCellInterior *>(mCurrentViewCell);
|
---|
899 | interior->SetupChildLink(viewCell);
|
---|
900 | }
|
---|
901 | else
|
---|
902 | { // set the new root
|
---|
903 | mViewCellsTree->SetRoot(viewCell);
|
---|
904 | }
|
---|
905 |
|
---|
906 | if (!isLeaf)
|
---|
907 | {
|
---|
908 | mCurrentViewCell = viewCell;
|
---|
909 | }
|
---|
910 | }
|
---|
911 | if (attrName == "pvs")
|
---|
912 | {//cout <<"e";
|
---|
913 | StrX attrValue(attributes.getValue(i));
|
---|
914 | const char *ptr = attrValue.LocalForm();
|
---|
915 |
|
---|
916 | // note: id must come before pvs!
|
---|
917 | // otherwise view cell is undefined
|
---|
918 |
|
---|
919 | // hack: assume that view cell comes before pvs
|
---|
920 | StartViewCellPvs(viewCell->GetPvs(), ptr);
|
---|
921 | //StartViewCellPvs(pvs, ptr);
|
---|
922 | }
|
---|
923 | else if (attrName == "active")
|
---|
924 | {
|
---|
925 | StrX attrValue(attributes.getValue(i));
|
---|
926 | const char *ptr = attrValue.LocalForm();
|
---|
927 | char *endptr = NULL;
|
---|
928 | const bool isActive = (bool)strtol(ptr, &endptr, 10);
|
---|
929 |
|
---|
930 | if (isActive)
|
---|
931 | {
|
---|
932 | // TODO
|
---|
933 | }
|
---|
934 | }
|
---|
935 | else if (attrName == "mergecost")
|
---|
936 | {
|
---|
937 | StrX attrValue(attributes.getValue(i));
|
---|
938 |
|
---|
939 | const char *ptr = attrValue.LocalForm();
|
---|
940 | char *endptr = NULL;
|
---|
941 | mergeCost = (float)strtod(ptr, &endptr);
|
---|
942 | }
|
---|
943 | }
|
---|
944 |
|
---|
945 | viewCell->SetMergeCost(mergeCost);
|
---|
946 | //viewCell->SetPvs(pvs);
|
---|
947 | mViewCells.push_back(viewCell);
|
---|
948 | }
|
---|
949 |
|
---|
950 |
|
---|
951 | void ViewCellsParseHandlers::CreateViewSpaceHierarchy()
|
---|
952 | {
|
---|
953 | if (mViewSpaceHierarchyType == BSP)
|
---|
954 | {
|
---|
955 | Debug << "hierarchy type: Bsp" << endl;
|
---|
956 | mVspBspTree = new VspBspTree();
|
---|
957 |
|
---|
958 | // set view space box
|
---|
959 | mVspBspTree->mBoundingBox = mViewSpaceBox;
|
---|
960 |
|
---|
961 | //ViewCellsMap::iterator vit, vit_end = mViewCells.end();
|
---|
962 | ViewCellContainer::iterator vit, vit_end = mViewCells.end();
|
---|
963 |
|
---|
964 | int i = 0;
|
---|
965 | // remove view cells and exchange them with the
|
---|
966 | // view cells specialized for the current hierarchy node type
|
---|
967 | for (vit = mViewCells.begin(); vit != vit_end; ++ vit, ++ i)
|
---|
968 | {
|
---|
969 | //if ((i % 1000) == 0)
|
---|
970 | // Debug << "\n exchanged " << i << " boxes" << endl;
|
---|
971 | ViewCell *vc = (*vit);
|
---|
972 |
|
---|
973 | if (!vc->IsLeaf()) // exchange only leaves
|
---|
974 | continue;
|
---|
975 |
|
---|
976 | BspViewCell *bspVc = new BspViewCell();
|
---|
977 |
|
---|
978 | bspVc->SetId(vc->GetId());
|
---|
979 | //bspVc->GetPvs().reserve(vc->GetPvs().size());
|
---|
980 | bspVc->SetPvs(vc->GetPvs());
|
---|
981 |
|
---|
982 | if (vc->IsRoot())
|
---|
983 | {
|
---|
984 | mViewCellsTree->mRoot = bspVc;
|
---|
985 | }
|
---|
986 | else
|
---|
987 | {
|
---|
988 | vc->GetParent()->ReplaceChildLink(vc, bspVc);
|
---|
989 | }
|
---|
990 |
|
---|
991 | // delete old view cell
|
---|
992 | DEL_PTR(vc);
|
---|
993 |
|
---|
994 | // (*vit).second = bspVc;
|
---|
995 | (*vit) = bspVc;
|
---|
996 | }
|
---|
997 | cout << "finished creating view space hierarchy" << endl;
|
---|
998 | }
|
---|
999 | else if (mViewSpaceHierarchyType == VSP)
|
---|
1000 | {
|
---|
1001 | Debug << "hierarchy type: Vsp" << endl;
|
---|
1002 | mVspTree = new VspTree();
|
---|
1003 |
|
---|
1004 | // set view space box
|
---|
1005 | mVspTree->mBoundingBox = mViewSpaceBox;
|
---|
1006 |
|
---|
1007 | // ViewCellsMap::iterator vit, vit_end = mViewCells.end();
|
---|
1008 | ViewCellContainer::iterator vit, vit_end = mViewCells.end();
|
---|
1009 |
|
---|
1010 | // reset view cells using the current node type
|
---|
1011 | for (vit = mViewCells.begin(); vit != vit_end; ++ vit)
|
---|
1012 | {
|
---|
1013 | //ViewCell *vc = (*vit).second;
|
---|
1014 | ViewCell *vc = (*vit);
|
---|
1015 |
|
---|
1016 | if (!vc->IsLeaf()) // exchange only leaves
|
---|
1017 | continue;
|
---|
1018 |
|
---|
1019 | VspViewCell *vspVc = new VspViewCell();
|
---|
1020 |
|
---|
1021 | vspVc->SetPvs(vc->GetPvs());
|
---|
1022 | vspVc->SetId(vc->GetId());
|
---|
1023 |
|
---|
1024 | if (vc->IsRoot())
|
---|
1025 | {
|
---|
1026 | mViewCellsTree->mRoot = vspVc;
|
---|
1027 | }
|
---|
1028 | else
|
---|
1029 | {
|
---|
1030 | vc->GetParent()->ReplaceChildLink(vc, vspVc);
|
---|
1031 | }
|
---|
1032 |
|
---|
1033 | // exchange view cell with new one
|
---|
1034 | DEL_PTR(vc);
|
---|
1035 |
|
---|
1036 | //(*vit).second = vspVc;
|
---|
1037 | (*vit) = vspVc;
|
---|
1038 | }
|
---|
1039 |
|
---|
1040 | if (mHierarchyManager)
|
---|
1041 | {
|
---|
1042 | // come here only if object space hierarchy already constructed
|
---|
1043 | mHierarchyManager->mVspTree = mVspTree;
|
---|
1044 | mVspTree->mHierarchyManager = mHierarchyManager;
|
---|
1045 | }
|
---|
1046 | }
|
---|
1047 | }
|
---|
1048 |
|
---|
1049 |
|
---|
1050 | void ViewCellsParseHandlers::CreateViewCellsManager()
|
---|
1051 | {
|
---|
1052 | if (mViewSpaceHierarchyType == BSP)
|
---|
1053 | {
|
---|
1054 | Debug << "\ncreating view cells manager: VspBsp" << endl;
|
---|
1055 | mViewCellsManager = new VspBspViewCellsManager(mViewCellsTree, mVspBspTree);
|
---|
1056 | }
|
---|
1057 | else if (mViewSpaceHierarchyType == VSP)
|
---|
1058 | {
|
---|
1059 | Debug << "\ncreating view cells manager: VspOsp" << endl;
|
---|
1060 | mViewCellsManager = new VspOspViewCellsManager(mViewCellsTree, mHierarchyManager);
|
---|
1061 | }
|
---|
1062 |
|
---|
1063 | mViewCellsManager->SetViewSpaceBox(mViewSpaceBox);
|
---|
1064 | }
|
---|
1065 |
|
---|
1066 |
|
---|
1067 | void ViewCellsParseHandlers::characters(const XMLCh* const chars,
|
---|
1068 | const unsigned int length)
|
---|
1069 | {
|
---|
1070 | mCharacterCount += length;
|
---|
1071 | }
|
---|
1072 |
|
---|
1073 |
|
---|
1074 | void ViewCellsParseHandlers::ignorableWhitespace(const XMLCh* const chars,
|
---|
1075 | const unsigned int length)
|
---|
1076 | {
|
---|
1077 | mSpaceCount += length;
|
---|
1078 | }
|
---|
1079 |
|
---|
1080 |
|
---|
1081 | void ViewCellsParseHandlers::resetDocument()
|
---|
1082 | {
|
---|
1083 | mAttrCount = 0;
|
---|
1084 | mCharacterCount = 0;
|
---|
1085 | mElementCount = 0;
|
---|
1086 | mSpaceCount = 0;
|
---|
1087 | }
|
---|
1088 |
|
---|
1089 |
|
---|
1090 | void ViewCellsParseHandlers::StartVspLeaf(AttributeList& attributes)
|
---|
1091 | {
|
---|
1092 | VspLeaf * leaf;
|
---|
1093 |
|
---|
1094 | if (mCurrentVspNode) // replace front or (if not NULL) back child
|
---|
1095 | {
|
---|
1096 | VspInterior *interior = static_cast<VspInterior *>(mCurrentVspNode);
|
---|
1097 | leaf = new VspLeaf(interior);
|
---|
1098 | interior->ReplaceChildLink(NULL, leaf);
|
---|
1099 | }
|
---|
1100 | else
|
---|
1101 | {
|
---|
1102 | leaf = new VspLeaf();
|
---|
1103 | mVspTree->mRoot = leaf;
|
---|
1104 | }
|
---|
1105 |
|
---|
1106 | /////////////
|
---|
1107 | //-- find view cell associated with the id
|
---|
1108 |
|
---|
1109 | int viewCellId;
|
---|
1110 | const int len = attributes.getLength();
|
---|
1111 |
|
---|
1112 | for (int i = 0; i < len; ++ i)
|
---|
1113 | {
|
---|
1114 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
1115 | StrX attrValue(attributes.getValue(i));
|
---|
1116 |
|
---|
1117 | const char *ptr = attrValue.LocalForm();
|
---|
1118 | char *endptr = NULL;
|
---|
1119 |
|
---|
1120 | if (attrName == "viewCellId")
|
---|
1121 | {
|
---|
1122 | viewCellId = strtol(ptr, &endptr, 10);
|
---|
1123 | }
|
---|
1124 | }
|
---|
1125 |
|
---|
1126 | if (viewCellId >= 0) // valid view cell found
|
---|
1127 | {
|
---|
1128 | // TODO: get view cell with specified id
|
---|
1129 | ViewCellInterior dummyVc;
|
---|
1130 | dummyVc.SetId(viewCellId);
|
---|
1131 |
|
---|
1132 | ViewCellContainer::iterator vit =
|
---|
1133 | lower_bound(mViewCells.begin(), mViewCells.end(), &dummyVc, vlt);
|
---|
1134 |
|
---|
1135 | //ViewCellsMap::iterator vit = mViewCells.find(viewCellId);
|
---|
1136 | if (vit == mViewCells.end())
|
---|
1137 | Debug << "error: view cell " << viewCellId << " not found" << endl;
|
---|
1138 |
|
---|
1139 | //VspViewCell *viewCell = static_cast<VspViewCell *>((*vit).second);
|
---|
1140 | VspViewCell *viewCell = static_cast<VspViewCell *>(*vit);
|
---|
1141 |
|
---|
1142 | if (viewCell->GetId() == viewCellId)
|
---|
1143 | {
|
---|
1144 | leaf->SetViewCell(viewCell);
|
---|
1145 | viewCell->mLeaves.push_back(leaf);
|
---|
1146 | }
|
---|
1147 | else
|
---|
1148 | {
|
---|
1149 | Debug << "error: view cell does not exist" << endl;
|
---|
1150 | }
|
---|
1151 | }
|
---|
1152 | else
|
---|
1153 | {
|
---|
1154 | // add to invalid view space
|
---|
1155 | leaf->SetViewCell(mVspTree->GetOrCreateOutOfBoundsCell());
|
---|
1156 | leaf->SetTreeValid(false);
|
---|
1157 | mVspTree->PropagateUpValidity(leaf);
|
---|
1158 | }
|
---|
1159 | }
|
---|
1160 |
|
---|
1161 |
|
---|
1162 | void ViewCellsParseHandlers::StartVspInterior(AttributeList& attributes)
|
---|
1163 | {
|
---|
1164 | AxisAlignedPlane plane;
|
---|
1165 | const int len = attributes.getLength();
|
---|
1166 |
|
---|
1167 | for (int i = 0; i < len; ++ i)
|
---|
1168 | {
|
---|
1169 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
1170 | StrX attrValue(attributes.getValue(i));
|
---|
1171 | const char *ptr = attrValue.LocalForm();
|
---|
1172 |
|
---|
1173 | if (attrName == "plane")
|
---|
1174 | {
|
---|
1175 | sscanf(ptr, "%f %d", &plane.mPosition, &plane.mAxis);
|
---|
1176 | }
|
---|
1177 | }
|
---|
1178 |
|
---|
1179 | VspInterior* interior = new VspInterior(plane);
|
---|
1180 |
|
---|
1181 | if (mCurrentVspNode) // replace NULL child of parent with current node
|
---|
1182 | {
|
---|
1183 | VspInterior *parent = static_cast<VspInterior *>(mCurrentVspNode);
|
---|
1184 |
|
---|
1185 | parent->ReplaceChildLink(NULL, interior);
|
---|
1186 | interior->SetParent(parent);
|
---|
1187 |
|
---|
1188 | AxisAlignedBox3 frontBox, backBox;
|
---|
1189 |
|
---|
1190 | parent->GetBoundingBox().Split(
|
---|
1191 | parent->GetPlane().mAxis,
|
---|
1192 | parent->GetPlane().mPosition,
|
---|
1193 | frontBox,
|
---|
1194 | backBox);
|
---|
1195 |
|
---|
1196 | if (parent->GetFront() == interior)
|
---|
1197 | interior->SetBoundingBox(frontBox);
|
---|
1198 | else
|
---|
1199 | interior->SetBoundingBox(backBox);
|
---|
1200 | }
|
---|
1201 | else
|
---|
1202 | {
|
---|
1203 | mVspTree->mRoot = interior;
|
---|
1204 | interior->SetBoundingBox(mVspTree->GetBoundingBox());
|
---|
1205 | }
|
---|
1206 |
|
---|
1207 | mCurrentVspNode = interior;
|
---|
1208 | }
|
---|
1209 |
|
---|
1210 |
|
---|
1211 | void ViewCellsParseHandlers::StartOspInterior(AttributeList& attributes)
|
---|
1212 | {
|
---|
1213 | AxisAlignedPlane plane;
|
---|
1214 | int len = attributes.getLength();
|
---|
1215 |
|
---|
1216 | for (int i = 0; i < len; ++ i)
|
---|
1217 | {
|
---|
1218 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
1219 | StrX attrValue(attributes.getValue(i));
|
---|
1220 | const char *ptr = attrValue.LocalForm();
|
---|
1221 |
|
---|
1222 | if (attrName == "plane")
|
---|
1223 | {
|
---|
1224 | sscanf(ptr, "%f %d", &plane.mPosition, &plane.mAxis);
|
---|
1225 | }
|
---|
1226 | }
|
---|
1227 |
|
---|
1228 | KdInterior* interior = new KdInterior(NULL);
|
---|
1229 |
|
---|
1230 | interior->mAxis = plane.mAxis;
|
---|
1231 | interior->mPosition = plane.mPosition;
|
---|
1232 |
|
---|
1233 | if (mCurrentOspNode) // replace NULL child of parent with current node
|
---|
1234 | {
|
---|
1235 | KdInterior *parent = static_cast<KdInterior *>(mCurrentOspNode);
|
---|
1236 | parent->ReplaceChildLink(NULL, interior);
|
---|
1237 | interior->mParent = parent;
|
---|
1238 |
|
---|
1239 | AxisAlignedBox3 frontBox, backBox;
|
---|
1240 |
|
---|
1241 | parent->mBox.Split(parent->mAxis, parent->mPosition, frontBox, backBox);
|
---|
1242 |
|
---|
1243 | if (parent->mFront == interior)
|
---|
1244 | interior->mBox = frontBox;
|
---|
1245 | else
|
---|
1246 | interior->mBox = backBox;
|
---|
1247 | }
|
---|
1248 | else
|
---|
1249 | {
|
---|
1250 | mHierarchyManager->mOspTree->mRoot = interior;
|
---|
1251 | interior->mBox = mHierarchyManager->mOspTree->mBoundingBox;
|
---|
1252 | }
|
---|
1253 |
|
---|
1254 | mCurrentOspNode = interior;
|
---|
1255 | }
|
---|
1256 |
|
---|
1257 |
|
---|
1258 | void ViewCellsParseHandlers::StartOspLeaf(AttributeList& attributes)
|
---|
1259 | {
|
---|
1260 | KdLeaf * leaf = new KdLeaf(static_cast<KdInterior *>(mCurrentOspNode), NULL);
|
---|
1261 |
|
---|
1262 | if (mCurrentOspNode)
|
---|
1263 | {
|
---|
1264 | // replace front or (if not NULL) back child
|
---|
1265 | static_cast<KdInterior *>(mCurrentOspNode)->ReplaceChildLink(NULL, leaf);
|
---|
1266 | }
|
---|
1267 | else
|
---|
1268 | {
|
---|
1269 | mHierarchyManager->mOspTree->mRoot = leaf;
|
---|
1270 | }
|
---|
1271 | }
|
---|
1272 |
|
---|
1273 |
|
---|
1274 | void ViewCellsParseHandlers::StartBvhLeaf(AttributeList& attributes)
|
---|
1275 | {
|
---|
1276 | const int len = attributes.getLength();
|
---|
1277 | Vector3 minBox, maxBox;
|
---|
1278 |
|
---|
1279 | ObjectContainer objects;
|
---|
1280 |
|
---|
1281 | for (int i = 0; i < len; ++ i)
|
---|
1282 | {
|
---|
1283 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
1284 | StrX attrValue(attributes.getValue(i));
|
---|
1285 | const char *ptr = attrValue.LocalForm();
|
---|
1286 |
|
---|
1287 | if (attrName == "min")
|
---|
1288 | {
|
---|
1289 | sscanf(ptr, "%f %f %f", &minBox.x, &minBox.y, &minBox.z);
|
---|
1290 | }
|
---|
1291 | if (attrName == "max")
|
---|
1292 | {
|
---|
1293 | sscanf(ptr, "%f %f %f", &maxBox.x, &maxBox.y, &maxBox.z);
|
---|
1294 | }
|
---|
1295 | if (attrName == "objects")
|
---|
1296 | {
|
---|
1297 | StartBvhLeafObjects(objects, ptr);
|
---|
1298 | }
|
---|
1299 | }
|
---|
1300 |
|
---|
1301 | AxisAlignedBox3 box = AxisAlignedBox3(minBox, maxBox);
|
---|
1302 |
|
---|
1303 | BvhLeaf *leaf;
|
---|
1304 |
|
---|
1305 | if (mCurrentBvhNode) // replace front or (if not NULL) back child
|
---|
1306 | {
|
---|
1307 | BvhInterior *interior = static_cast<BvhInterior *>(mCurrentBvhNode);
|
---|
1308 | leaf = new BvhLeaf(box, interior, (int)objects.size());
|
---|
1309 | interior->ReplaceChildLink(NULL, leaf);
|
---|
1310 | }
|
---|
1311 | else
|
---|
1312 | {
|
---|
1313 | leaf = new BvhLeaf(box, NULL, (int)objects.size());
|
---|
1314 | mHierarchyManager->mBvHierarchy->mRoot = leaf;
|
---|
1315 | }
|
---|
1316 |
|
---|
1317 | leaf->mObjects = objects;
|
---|
1318 | BvHierarchy::AssociateObjectsWithLeaf(leaf);
|
---|
1319 |
|
---|
1320 | if (PVS_HACK)
|
---|
1321 | {
|
---|
1322 | if (1) // Temp matt: should HAVE right id
|
---|
1323 | {
|
---|
1324 | leaf->SetId((int)mBvhLeaves.size());
|
---|
1325 | }
|
---|
1326 | mBvhLeaves.push_back(leaf);
|
---|
1327 |
|
---|
1328 | //cout << "i";
|
---|
1329 | }
|
---|
1330 | }
|
---|
1331 |
|
---|
1332 |
|
---|
1333 | void ViewCellsParseHandlers::StartBvhLeafObjects(ObjectContainer &objects,
|
---|
1334 | const char *ptr)
|
---|
1335 | {
|
---|
1336 | vector<int> objIndices;
|
---|
1337 | char *endptr;
|
---|
1338 |
|
---|
1339 | while (1)
|
---|
1340 | {
|
---|
1341 | const int index = strtol(ptr, &endptr, 10);
|
---|
1342 | if (ptr == endptr) break;
|
---|
1343 |
|
---|
1344 | objIndices.push_back(index);
|
---|
1345 | ptr = endptr;
|
---|
1346 | }
|
---|
1347 |
|
---|
1348 | MeshInstance dummyInst(NULL);
|
---|
1349 |
|
---|
1350 | vector<int>::const_iterator it, it_end = objIndices.end();
|
---|
1351 |
|
---|
1352 | for (it = objIndices.begin(); it != it_end; ++ it)
|
---|
1353 | {
|
---|
1354 | const int objId = *it;
|
---|
1355 | dummyInst.SetId(objId);
|
---|
1356 |
|
---|
1357 | ObjectContainer::iterator oit =
|
---|
1358 | lower_bound(mObjects->begin(),
|
---|
1359 | mObjects->end(),
|
---|
1360 | (Intersectable *)&dummyInst,
|
---|
1361 | ilt);
|
---|
1362 |
|
---|
1363 | if ((oit != mObjects->end()) && ((*oit)->GetId() == objId))
|
---|
1364 | {
|
---|
1365 | objects.push_back(*oit);
|
---|
1366 | }
|
---|
1367 | else
|
---|
1368 | {
|
---|
1369 | cerr << "error: object with id " << objId << " does not exist" << endl;
|
---|
1370 | }
|
---|
1371 | }
|
---|
1372 | }
|
---|
1373 |
|
---|
1374 |
|
---|
1375 | void ViewCellsParseHandlers::StartBvhInterior(AttributeList& attributes)
|
---|
1376 | {
|
---|
1377 | const int len = attributes.getLength();
|
---|
1378 | Vector3 minBox, maxBox;
|
---|
1379 |
|
---|
1380 | for (int i = 0; i < len; ++ i)
|
---|
1381 | {
|
---|
1382 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
1383 | StrX attrValue(attributes.getValue(i));
|
---|
1384 | const char *ptr = attrValue.LocalForm();
|
---|
1385 |
|
---|
1386 | if (attrName == "min")
|
---|
1387 | {
|
---|
1388 | sscanf(ptr, "%f %f %f", &minBox.x, &minBox.y, &minBox.z);
|
---|
1389 | }
|
---|
1390 | if (attrName == "max")
|
---|
1391 | {
|
---|
1392 | sscanf(ptr, "%f %f %f", &maxBox.x, &maxBox.y, &maxBox.z);
|
---|
1393 | }
|
---|
1394 | }
|
---|
1395 |
|
---|
1396 | BvhInterior* interior = new BvhInterior(AxisAlignedBox3(minBox, maxBox));
|
---|
1397 |
|
---|
1398 | if (mCurrentBvhNode) // replace NULL child of parent with current node
|
---|
1399 | {
|
---|
1400 | BvhInterior *parent = static_cast<BvhInterior *>(mCurrentBvhNode);
|
---|
1401 | parent->ReplaceChildLink(NULL, interior);
|
---|
1402 | interior->SetParent(parent);
|
---|
1403 | }
|
---|
1404 | else
|
---|
1405 | {
|
---|
1406 | mHierarchyManager->mBvHierarchy->mRoot = interior;
|
---|
1407 | }
|
---|
1408 |
|
---|
1409 | mCurrentBvhNode = interior;
|
---|
1410 | }
|
---|
1411 |
|
---|
1412 |
|
---|
1413 | // ---------------------------------------------------------------------------
|
---|
1414 | // StdInParseHandlers: Overrides of the SAX ErrorHandler interface
|
---|
1415 | // ---------------------------------------------------------------------------
|
---|
1416 |
|
---|
1417 |
|
---|
1418 | void
|
---|
1419 | ViewCellsParseHandlers::error(const SAXParseException& e)
|
---|
1420 | {
|
---|
1421 | XERCES_STD_QUALIFIER cerr << "\nError at (file " << StrX(e.getSystemId())
|
---|
1422 | << ", line " << e.getLineNumber()
|
---|
1423 | << ", char " << e.getColumnNumber()
|
---|
1424 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
1425 | }
|
---|
1426 |
|
---|
1427 | void
|
---|
1428 | ViewCellsParseHandlers::fatalError(const SAXParseException& e)
|
---|
1429 | {
|
---|
1430 | XERCES_STD_QUALIFIER cerr << "\nFatal Error at (file " << StrX(e.getSystemId())
|
---|
1431 | << ", line " << e.getLineNumber()
|
---|
1432 | << ", char " << e.getColumnNumber()
|
---|
1433 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
1434 | }
|
---|
1435 |
|
---|
1436 | void
|
---|
1437 | ViewCellsParseHandlers::warning(const SAXParseException& e)
|
---|
1438 | {
|
---|
1439 | XERCES_STD_QUALIFIER cerr << "\nWarning at (file " << StrX(e.getSystemId())
|
---|
1440 | << ", line " << e.getLineNumber()
|
---|
1441 | << ", char " << e.getColumnNumber()
|
---|
1442 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
1443 | }
|
---|
1444 |
|
---|
1445 |
|
---|
1446 | bool ViewCellsParser::ParseViewCellsFile(const string filename,
|
---|
1447 | ViewCellsManager **viewCells,
|
---|
1448 | ObjectContainer *objects,
|
---|
1449 | BoundingBoxConverter *bconverter)
|
---|
1450 | {
|
---|
1451 | // Initialize the XML4C system
|
---|
1452 | try {
|
---|
1453 | XMLPlatformUtils::Initialize();
|
---|
1454 | }
|
---|
1455 |
|
---|
1456 | catch (const XMLException& toCatch)
|
---|
1457 | {
|
---|
1458 | XERCES_STD_QUALIFIER cerr << "Error during initialization! Message:\n"
|
---|
1459 | << StrX(toCatch.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
1460 | return false;
|
---|
1461 | }
|
---|
1462 |
|
---|
1463 | // cout<<"parsing started"<<endl<<flush;
|
---|
1464 |
|
---|
1465 | //
|
---|
1466 | // Create a SAX parser object. Then, according to what we were told on
|
---|
1467 | // the command line, set the options.
|
---|
1468 | //
|
---|
1469 | SAXParser* parser = new SAXParser;
|
---|
1470 | parser->setValidationScheme(valScheme);
|
---|
1471 | parser->setDoNamespaces(doNamespaces);
|
---|
1472 | parser->setDoSchema(doSchema);
|
---|
1473 | parser->setValidationSchemaFullChecking(schemaFullChecking);
|
---|
1474 |
|
---|
1475 |
|
---|
1476 | //
|
---|
1477 | // Create our SAX handler object and install it on the parser, as the
|
---|
1478 | // document and error handler. We are responsible for cleaning them
|
---|
1479 | // up, but since its just stack based here, there's nothing special
|
---|
1480 | // to do.
|
---|
1481 | //
|
---|
1482 | ViewCellsParseHandlers handler(objects, bconverter);
|
---|
1483 | parser->setDocumentHandler(&handler);
|
---|
1484 | parser->setErrorHandler(&handler);
|
---|
1485 |
|
---|
1486 | unsigned long duration;
|
---|
1487 | int errorCount = 0;
|
---|
1488 | // create a faux scope so that 'src' destructor is called before
|
---|
1489 | // XMLPlatformUtils::Terminate
|
---|
1490 | {
|
---|
1491 | //
|
---|
1492 | // Kick off the parse and catch any exceptions. Create a standard
|
---|
1493 | // input input source and tell the parser to parse from that.
|
---|
1494 | //
|
---|
1495 | // StdInInputSource src;
|
---|
1496 | try
|
---|
1497 | {
|
---|
1498 | const unsigned long startMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
1499 |
|
---|
1500 | #if USE_GZLIB
|
---|
1501 | XMLCh *myFilePath = XMLString::transcode(filename.c_str());
|
---|
1502 |
|
---|
1503 | GzFileInputSource isource(myFilePath);
|
---|
1504 | parser->parse(isource);
|
---|
1505 | #else
|
---|
1506 | parser->parse(filename.c_str());
|
---|
1507 |
|
---|
1508 | #endif
|
---|
1509 |
|
---|
1510 | if (0 && PVS_HACK)
|
---|
1511 | handler.ExchangeElements();
|
---|
1512 |
|
---|
1513 | const unsigned long endMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
1514 | duration = endMillis - startMillis;
|
---|
1515 | errorCount = parser->getErrorCount();
|
---|
1516 | }
|
---|
1517 | catch (const OutOfMemoryException&)
|
---|
1518 | {
|
---|
1519 | XERCES_STD_QUALIFIER cerr << "OutOfMemoryException" << XERCES_STD_QUALIFIER endl;
|
---|
1520 | errorCount = 2;
|
---|
1521 | return false;
|
---|
1522 | }
|
---|
1523 | catch (const XMLException& e)
|
---|
1524 | {
|
---|
1525 | XERCES_STD_QUALIFIER cerr << "\nError during parsing: \n"
|
---|
1526 | << StrX(e.getMessage())
|
---|
1527 | << "\n" << XERCES_STD_QUALIFIER endl;
|
---|
1528 | errorCount = 1;
|
---|
1529 | return false;
|
---|
1530 | }
|
---|
1531 |
|
---|
1532 |
|
---|
1533 | // Print out the stats that we collected and time taken
|
---|
1534 | if (!errorCount) {
|
---|
1535 | XERCES_STD_QUALIFIER cerr << filename << ": " << duration << " ms ("
|
---|
1536 | << handler.GetElementCount() << " elems, "
|
---|
1537 | << handler.GetAttrCount() << " attrs, "
|
---|
1538 | << handler.GetSpaceCount() << " spaces, "
|
---|
1539 | << handler.GetCharacterCount() << " chars)" << XERCES_STD_QUALIFIER endl;
|
---|
1540 | }
|
---|
1541 | }
|
---|
1542 |
|
---|
1543 | cout<<"parsed - will delete the parser"<<endl<<flush;
|
---|
1544 | //
|
---|
1545 | // Delete the parser itself. Must be done prior to calling Terminate, below.
|
---|
1546 | //
|
---|
1547 | delete parser;
|
---|
1548 |
|
---|
1549 | XMLPlatformUtils::Terminate();
|
---|
1550 |
|
---|
1551 | //-- assign new view cells manager
|
---|
1552 | *viewCells = handler.mViewCellsManager;
|
---|
1553 |
|
---|
1554 | if (errorCount > 0)
|
---|
1555 | return false;
|
---|
1556 | else
|
---|
1557 | return true;
|
---|
1558 | }
|
---|
1559 |
|
---|
1560 | }
|
---|