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