1 | #include <stack>
|
---|
2 | #include "common.h"
|
---|
3 | #include "SceneGraph.h"
|
---|
4 | #include "X3dExporter.h"
|
---|
5 | #include "Mesh.h"
|
---|
6 | #include "KdTree.h"
|
---|
7 | #include "ViewCellBsp.h"
|
---|
8 | #include "ViewCell.h"
|
---|
9 | #include "Polygon3.h"
|
---|
10 | #include "VssRay.h"
|
---|
11 | #include "VspKdTree.h"
|
---|
12 | #include "VssTree.h"
|
---|
13 |
|
---|
14 | X3dExporter::X3dExporter(const string filename):Exporter(filename)
|
---|
15 | {
|
---|
16 | stream.open(mFilename.c_str());
|
---|
17 | stream<<"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"<<endl;
|
---|
18 | stream<<"<X3D>"<<endl;
|
---|
19 | stream<<"<Scene>"<<endl;
|
---|
20 |
|
---|
21 | }
|
---|
22 |
|
---|
23 | X3dExporter::~X3dExporter()
|
---|
24 | {
|
---|
25 | stream<<"</Scene>"<<endl;
|
---|
26 | stream<<"</X3D>"<<endl;
|
---|
27 | stream.close();
|
---|
28 | }
|
---|
29 |
|
---|
30 |
|
---|
31 | // bool
|
---|
32 | // X3dExporter::ExportRays(const vector<Ray> &rays,
|
---|
33 | // const float length,
|
---|
34 | // const RgbColor &color)
|
---|
35 | // {
|
---|
36 | // vector<Ray>::const_iterator ri = rays.begin();
|
---|
37 | // stream<<"<Shape>"<<endl;
|
---|
38 | // stream<<"<Appearance>"<<endl;
|
---|
39 | // stream<<"<Material ambientColor=\""<<color.r<<" "<<color.g<<" "<<color.b<<
|
---|
40 | // "\" />"<<endl;
|
---|
41 | // stream<<"</Appearance>"<<endl;
|
---|
42 |
|
---|
43 | // stream<<"<IndexedLineSet coordIndex=\""<<endl;
|
---|
44 |
|
---|
45 | // int index = 0;
|
---|
46 | // for (; ri != rays.end(); ri++) {
|
---|
47 | // stream<<index<<" "<<index+1<<" -1\n";
|
---|
48 | // index+=2;
|
---|
49 | // }
|
---|
50 |
|
---|
51 | // stream<<"\" >"<<endl;
|
---|
52 |
|
---|
53 | // stream<<"<Coordinate point=\""<<endl;
|
---|
54 |
|
---|
55 | // ri = rays.begin();
|
---|
56 | // for (; ri != rays.end(); ri++) {
|
---|
57 | // Vector3 a = (*ri).GetLoc();
|
---|
58 |
|
---|
59 | // Vector3 b;
|
---|
60 | // if (length < 0)
|
---|
61 | // b = (*ri).GetLoc() - length*(*ri).GetDir();
|
---|
62 | // else
|
---|
63 | // if ((*ri).intersections.size()==0)
|
---|
64 | // b = (*ri).GetLoc() + length*(*ri).GetDir();
|
---|
65 | // else
|
---|
66 | // b = (*ri).Extrap((*ri).intersections[0].mT);
|
---|
67 |
|
---|
68 | // stream<<a.x<<" "<<a.y<<" "<<a.z<<" ,";
|
---|
69 | // stream<<b.x<<" "<<b.y<<" "<<b.z<<" ,\n";
|
---|
70 | // }
|
---|
71 |
|
---|
72 | // stream<<"\" >"<<endl;
|
---|
73 | // stream<<"</Coordinate>"<<endl;
|
---|
74 | // stream<<"</IndexedLineSet>"<<endl;
|
---|
75 | // stream<<"</Shape>"<<endl;
|
---|
76 | // return true;
|
---|
77 | // }
|
---|
78 |
|
---|
79 |
|
---|
80 | bool
|
---|
81 | X3dExporter::ExportRays(const RayContainer &rays,
|
---|
82 | const float length,
|
---|
83 | const RgbColor &color)
|
---|
84 | {
|
---|
85 | RayContainer::const_iterator ri = rays.begin();
|
---|
86 |
|
---|
87 | stream<<"<Shape>"<<endl;
|
---|
88 | stream<<"<Appearance>"<<endl;
|
---|
89 | stream<<"<Material diffuseColor=\""<<color.r<<" "<<color.g<<" "<<color.b<<
|
---|
90 | "\" />"<<endl;
|
---|
91 | stream<<"</Appearance>"<<endl;
|
---|
92 |
|
---|
93 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
|
---|
94 |
|
---|
95 | int index = 0;
|
---|
96 | for (; ri != rays.end(); ri++) {
|
---|
97 | stream<<index<<" "<<index+1<<" -1\n";
|
---|
98 | index+=2;
|
---|
99 | }
|
---|
100 |
|
---|
101 | stream<<"\" >"<<endl;
|
---|
102 |
|
---|
103 | stream<<"<Coordinate point=\""<<endl;
|
---|
104 |
|
---|
105 | ri = rays.begin();
|
---|
106 | for (; ri != rays.end(); ri++) {
|
---|
107 | Vector3 a = (*ri)->GetLoc();
|
---|
108 |
|
---|
109 | Vector3 b;
|
---|
110 | if (length < 0)
|
---|
111 | b = (*ri)->GetLoc() - length*(*ri)->GetDir();
|
---|
112 | else
|
---|
113 | if ((*ri)->intersections.size()==0)
|
---|
114 | b = (*ri)->GetLoc() + length*(*ri)->GetDir();
|
---|
115 | else
|
---|
116 | b = (*ri)->Extrap((*ri)->intersections[0].mT);
|
---|
117 |
|
---|
118 | stream<<a.x<<" "<<a.y<<" "<<a.z<<" ,";
|
---|
119 | stream<<b.x<<" "<<b.y<<" "<<b.z<<" ,\n";
|
---|
120 | }
|
---|
121 |
|
---|
122 | stream<<"\" >"<<endl;
|
---|
123 | stream<<"</Coordinate>"<<endl;
|
---|
124 | stream<<"</IndexedLineSet>"<<endl;
|
---|
125 | stream<<"</Shape>"<<endl;
|
---|
126 |
|
---|
127 | return true;
|
---|
128 | }
|
---|
129 |
|
---|
130 | bool
|
---|
131 | X3dExporter::ExportRays(const VssRayContainer &rays,
|
---|
132 | const RgbColor &color)
|
---|
133 | {
|
---|
134 | VssRayContainer::const_iterator ri = rays.begin();
|
---|
135 |
|
---|
136 | stream<<"<Shape>"<<endl;
|
---|
137 | stream<<"<Appearance>"<<endl;
|
---|
138 | stream<<"<Material diffuseColor=\""<<color.r<<" "<<color.g<<" "<<color.b<<
|
---|
139 | "\" />"<<endl;
|
---|
140 | stream<<"</Appearance>"<<endl;
|
---|
141 |
|
---|
142 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
|
---|
143 |
|
---|
144 | int index = 0;
|
---|
145 | for (; ri != rays.end(); ri++) {
|
---|
146 | stream<<index<<" "<<index+1<<" -1\n";
|
---|
147 | index+=2;
|
---|
148 | }
|
---|
149 |
|
---|
150 | stream<<"\" >"<<endl;
|
---|
151 |
|
---|
152 | stream<<"<Coordinate point=\""<<endl;
|
---|
153 |
|
---|
154 | ri = rays.begin();
|
---|
155 | for (; ri != rays.end(); ri++) {
|
---|
156 | const Vector3 a = (*ri)->GetOrigin();
|
---|
157 | const Vector3 b = (*ri)->mTerminationObject ? (*ri)->GetTermination() : a + 1000 * Normalize((*ri)->GetDir());
|
---|
158 |
|
---|
159 | stream<<a.x<<" "<<a.y<<" "<<a.z<<" ,";
|
---|
160 | stream<<b.x<<" "<<b.y<<" "<<b.z<<" ,\n";
|
---|
161 | }
|
---|
162 |
|
---|
163 | stream<<"\" >"<<endl;
|
---|
164 | stream<<"</Coordinate>"<<endl;
|
---|
165 | stream<<"</IndexedLineSet>"<<endl;
|
---|
166 | stream<<"</Shape>"<<endl;
|
---|
167 |
|
---|
168 | return true;
|
---|
169 | }
|
---|
170 |
|
---|
171 | void
|
---|
172 | X3dExporter::ExportSceneNode(SceneGraphNode *node)
|
---|
173 | {
|
---|
174 | stream<<"<Group>"<<endl;
|
---|
175 |
|
---|
176 | SceneGraphNodeContainer::iterator ni = node->mChildren.begin();
|
---|
177 | for (; ni != node->mChildren.end(); ni++)
|
---|
178 | ExportSceneNode(*ni);
|
---|
179 |
|
---|
180 |
|
---|
181 | ObjectContainer::const_iterator mi = node->mGeometry.begin();
|
---|
182 | for (; mi != node->mGeometry.end(); mi++) {
|
---|
183 | // export the transform...
|
---|
184 | ExportIntersectable(*mi);
|
---|
185 | }
|
---|
186 |
|
---|
187 | stream<<"</Group>"<<endl;
|
---|
188 |
|
---|
189 | }
|
---|
190 | void
|
---|
191 | X3dExporter::ExportIntersectable(Intersectable *object)
|
---|
192 | {
|
---|
193 | switch (object->Type()) {
|
---|
194 | case Intersectable::MESH_INSTANCE:
|
---|
195 | case Intersectable::TRANSFORMED_MESH_INSTANCE:
|
---|
196 | ExportMeshInstance((MeshInstance *)object);
|
---|
197 | break;
|
---|
198 | case Intersectable::VIEW_CELL:
|
---|
199 | ExportViewCell((ViewCell *)object);
|
---|
200 | break;
|
---|
201 | default:
|
---|
202 | cerr<<"Sorry the export for object not yet defined"<<endl;
|
---|
203 | break;
|
---|
204 | }
|
---|
205 | }
|
---|
206 |
|
---|
207 | void
|
---|
208 | X3dExporter::ExportMeshInstance(MeshInstance *object)
|
---|
209 | {
|
---|
210 | // $$JB$$
|
---|
211 | // in the future check whether the mesh was not already exported
|
---|
212 | // and use a reference to the that mesh instead
|
---|
213 | ExportMesh(object->GetMesh());
|
---|
214 | }
|
---|
215 |
|
---|
216 | void
|
---|
217 | X3dExporter::ExportViewCells(const ViewCellContainer &viewCells)
|
---|
218 | {
|
---|
219 | ViewCellContainer::const_iterator it, it_end = viewCells.end();
|
---|
220 |
|
---|
221 | for (it = viewCells.begin(); it != it_end; ++ it)
|
---|
222 | ExportViewCell(*it);
|
---|
223 | }
|
---|
224 |
|
---|
225 | void
|
---|
226 | X3dExporter::ExportBspViewCellPartition(const BspTree &tree, const int maxPvs)
|
---|
227 | {
|
---|
228 | ViewCellContainer viewCells;
|
---|
229 | tree.CollectViewCells(viewCells);
|
---|
230 |
|
---|
231 | ViewCellContainer::const_iterator it, it_end = viewCells.end();
|
---|
232 |
|
---|
233 | if (maxPvs > 0)
|
---|
234 | mUseForcedMaterial = true;
|
---|
235 |
|
---|
236 | for (it = viewCells.begin(); it != it_end; ++ it)
|
---|
237 | {
|
---|
238 | if (maxPvs > 0)
|
---|
239 | {
|
---|
240 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
241 | float importance = (float)(*it)->GetPvs().GetSize() / (float)maxPvs;
|
---|
242 |
|
---|
243 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
244 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
245 | }
|
---|
246 |
|
---|
247 | if ((*it)->GetMesh())
|
---|
248 | ExportViewCell(*it);
|
---|
249 | else
|
---|
250 | {
|
---|
251 | PolygonContainer cell;
|
---|
252 | tree.ConstructGeometry(dynamic_cast<BspViewCell *>(*it), cell);
|
---|
253 |
|
---|
254 | ExportPolygons(cell);
|
---|
255 | }
|
---|
256 | }
|
---|
257 | }
|
---|
258 |
|
---|
259 | void
|
---|
260 | X3dExporter::ExportBspLeaves(const BspTree &tree, const int maxPvs)
|
---|
261 | {
|
---|
262 | stack<pair<BspNode *, BspNodeGeometry *> > tStack;
|
---|
263 | ViewCell::NewMail();
|
---|
264 |
|
---|
265 | BspNodeGeometry *geom = new BspNodeGeometry();
|
---|
266 | tree.ConstructGeometry(tree.GetRoot(), *geom);
|
---|
267 |
|
---|
268 | tStack.push(pair<BspNode *, BspNodeGeometry *>(tree.GetRoot(), geom));
|
---|
269 |
|
---|
270 | if (maxPvs > 0)
|
---|
271 | mUseForcedMaterial = true;
|
---|
272 |
|
---|
273 | while (!tStack.empty())
|
---|
274 | {
|
---|
275 | BspNode *node = tStack.top().first;
|
---|
276 | BspNodeGeometry *cell = tStack.top().second;
|
---|
277 | tStack.pop();
|
---|
278 |
|
---|
279 | if (!node->IsLeaf())
|
---|
280 | {
|
---|
281 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
|
---|
282 |
|
---|
283 | BspNodeGeometry *front = new BspNodeGeometry();
|
---|
284 | BspNodeGeometry *back = new BspNodeGeometry();
|
---|
285 |
|
---|
286 | cell->SplitGeometry(*front, *back, tree, *interior->GetPlane());
|
---|
287 |
|
---|
288 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetFront(), front));
|
---|
289 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetBack(), back));
|
---|
290 | }
|
---|
291 | else
|
---|
292 | {
|
---|
293 | if (maxPvs > 0)
|
---|
294 | {
|
---|
295 | BspLeaf *leaf = dynamic_cast<BspLeaf *>(node);
|
---|
296 |
|
---|
297 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
298 | float importance = (float)leaf->GetViewCell()->GetPvs().GetSize() / (float)maxPvs;
|
---|
299 |
|
---|
300 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
301 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
302 | }
|
---|
303 |
|
---|
304 | ExportPolygons(cell->mPolys);
|
---|
305 | }
|
---|
306 |
|
---|
307 | DEL_PTR(cell);
|
---|
308 | }
|
---|
309 | }
|
---|
310 |
|
---|
311 | void
|
---|
312 | X3dExporter::ExportViewCell(ViewCell *viewCell)
|
---|
313 | {
|
---|
314 | if (viewCell->GetMesh())
|
---|
315 | ExportMesh(viewCell->GetMesh());
|
---|
316 | }
|
---|
317 |
|
---|
318 | void
|
---|
319 | X3dExporter::ExportMesh(Mesh *mesh)
|
---|
320 | {
|
---|
321 |
|
---|
322 | stream<<"<Shape>"<<endl;
|
---|
323 | stream<<"<Appearance>"<<endl;
|
---|
324 |
|
---|
325 | // $$ tmp -> random material
|
---|
326 |
|
---|
327 | float r, g, b;
|
---|
328 |
|
---|
329 | if (mUseForcedMaterial) {
|
---|
330 | r = mForcedMaterial.mDiffuseColor.r;
|
---|
331 | g = mForcedMaterial.mDiffuseColor.g;
|
---|
332 | b = mForcedMaterial.mDiffuseColor.b;
|
---|
333 |
|
---|
334 | } else
|
---|
335 | if (mesh->mMaterial) {
|
---|
336 | r = mesh->mMaterial->mDiffuseColor.r;
|
---|
337 | g = mesh->mMaterial->mDiffuseColor.g;
|
---|
338 | b = mesh->mMaterial->mDiffuseColor.b;
|
---|
339 | } else {
|
---|
340 | r = RandomValue(0.5, 1.0);
|
---|
341 | g = RandomValue(0.5, 1.0);
|
---|
342 | b = RandomValue(0.5, 1.0);
|
---|
343 | }
|
---|
344 | stream<<"<Material diffuseColor=\""<<r<<" "<<g<<" "<<b<<
|
---|
345 | "\" specularColor=\"0.0 0.0 0.0\"/>"<<endl;
|
---|
346 | stream<<"</Appearance>"<<endl;
|
---|
347 |
|
---|
348 |
|
---|
349 | if (mWireframe)
|
---|
350 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
|
---|
351 | else
|
---|
352 | stream<<"<IndexedFaceSet ccw=\"TRUE\" coordIndex=\""<<endl;
|
---|
353 |
|
---|
354 | FaceContainer::const_iterator fi = mesh->mFaces.begin();
|
---|
355 |
|
---|
356 | int index = 0;
|
---|
357 |
|
---|
358 | for (; fi != mesh->mFaces.end(); fi++) {
|
---|
359 | Face *face = *fi;
|
---|
360 | VertexIndexContainer::const_iterator vi = face->mVertexIndices.begin();
|
---|
361 | for (; vi != face->mVertexIndices.end(); vi++)
|
---|
362 | stream<<*vi<<" ";
|
---|
363 | if (mWireframe) // final line to finish polygon
|
---|
364 | stream << (*face->mVertexIndices.begin()) << " ";
|
---|
365 |
|
---|
366 | stream<<"-1"<<endl;
|
---|
367 | }
|
---|
368 | stream<<"\" >"<<endl;
|
---|
369 |
|
---|
370 | stream<<"<Coordinate point=\""<<endl;
|
---|
371 |
|
---|
372 | VertexContainer::const_iterator vi = mesh->mVertices.begin();
|
---|
373 | for (; vi != mesh->mVertices.end(); vi++) {
|
---|
374 | stream<<(*vi).x<<" "<<(*vi).y<<" "<<(*vi).z;
|
---|
375 | stream<<","<<endl;
|
---|
376 | }
|
---|
377 |
|
---|
378 | stream<<"\" >"<<endl;
|
---|
379 | stream<<"</Coordinate>"<<endl;
|
---|
380 |
|
---|
381 | if (mWireframe)
|
---|
382 | stream<<"</IndexedLineSet>"<<endl;
|
---|
383 | else
|
---|
384 | stream<<"</IndexedFaceSet>"<<endl;
|
---|
385 |
|
---|
386 | stream<<"</Shape>"<<endl;
|
---|
387 |
|
---|
388 | }
|
---|
389 |
|
---|
390 |
|
---|
391 | void X3dExporter::ExportPolygon(Polygon3 *poly)
|
---|
392 | {
|
---|
393 | stream << "<Shape>" << endl;
|
---|
394 | stream << "<Appearance>" << endl;
|
---|
395 |
|
---|
396 | // $$ tmp -> random material
|
---|
397 |
|
---|
398 | float r, g, b;
|
---|
399 |
|
---|
400 | if (mUseForcedMaterial)
|
---|
401 | {
|
---|
402 | r = mForcedMaterial.mDiffuseColor.r;
|
---|
403 | g = mForcedMaterial.mDiffuseColor.g;
|
---|
404 | b = mForcedMaterial.mDiffuseColor.b;
|
---|
405 | }
|
---|
406 | else if (poly->mMaterial)
|
---|
407 | {
|
---|
408 | r = poly->mMaterial->mDiffuseColor.r;
|
---|
409 | g = poly->mMaterial->mDiffuseColor.g;
|
---|
410 | b = poly->mMaterial->mDiffuseColor.b;
|
---|
411 | } else
|
---|
412 | {
|
---|
413 | r = RandomValue(0.5, 1.0);
|
---|
414 | g = RandomValue(0.5, 1.0);
|
---|
415 | b = RandomValue(0.5, 1.0);
|
---|
416 | }
|
---|
417 |
|
---|
418 | stream << "<Material diffuseColor=\"" << r << " " << g << " " << b
|
---|
419 | << "\" specularColor=\"0.0 0.0 0.0\"/>" << endl;
|
---|
420 |
|
---|
421 | stream << "</Appearance>" << endl;
|
---|
422 |
|
---|
423 |
|
---|
424 | //-- create and write indices
|
---|
425 | if (mWireframe)
|
---|
426 | stream << "<IndexedLineSet ccw=\"TRUE\" coordIndex=\"" << endl;
|
---|
427 | else
|
---|
428 | stream << "<IndexedFaceSet ccw=\"TRUE\" coordIndex=\"" << endl;
|
---|
429 |
|
---|
430 | int index = 0;
|
---|
431 |
|
---|
432 | VertexContainer::const_iterator vi;
|
---|
433 |
|
---|
434 | for (index = 0; index < (int)poly->mVertices.size(); ++ index)
|
---|
435 | stream << index << " ";
|
---|
436 |
|
---|
437 | if (mWireframe) // final line to finish polygon
|
---|
438 | stream << "0 ";
|
---|
439 |
|
---|
440 | stream << "-1" << endl;
|
---|
441 | stream << "\" >" << endl;
|
---|
442 |
|
---|
443 | stream << "<Coordinate point=\"" << endl;
|
---|
444 |
|
---|
445 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
446 | {
|
---|
447 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
|
---|
448 | stream << "," << endl;
|
---|
449 | }
|
---|
450 |
|
---|
451 | stream << "\" >" << endl;
|
---|
452 | stream << "</Coordinate>" << endl;
|
---|
453 |
|
---|
454 | if (mWireframe)
|
---|
455 | stream << "</IndexedLineSet>" << endl;
|
---|
456 | else
|
---|
457 | stream << "</IndexedFaceSet>" << endl;
|
---|
458 |
|
---|
459 | stream << "</Shape>" << endl;
|
---|
460 | }
|
---|
461 |
|
---|
462 | void X3dExporter::ExportPolygons(const PolygonContainer &polys)
|
---|
463 | {
|
---|
464 | stream << "<Shape>" << endl;
|
---|
465 | stream << "<Appearance>" << endl;
|
---|
466 |
|
---|
467 | // $$ tmp -> random material
|
---|
468 |
|
---|
469 | float r, g, b;
|
---|
470 |
|
---|
471 | if (mUseForcedMaterial)
|
---|
472 | {
|
---|
473 | r = mForcedMaterial.mDiffuseColor.r;
|
---|
474 | g = mForcedMaterial.mDiffuseColor.g;
|
---|
475 | b = mForcedMaterial.mDiffuseColor.b;
|
---|
476 | }
|
---|
477 | else
|
---|
478 | {
|
---|
479 | r = RandomValue(0.5, 1.0);
|
---|
480 | g = RandomValue(0.5, 1.0);
|
---|
481 | b = RandomValue(0.5, 1.0);
|
---|
482 | }
|
---|
483 |
|
---|
484 | stream << "<Material diffuseColor=\"" << r << " " << g << " " << b
|
---|
485 | << "\" specularColor=\"0.0 0.0 0.0\"/>" << endl;
|
---|
486 |
|
---|
487 | stream << "</Appearance>" << endl;
|
---|
488 |
|
---|
489 |
|
---|
490 | //-- create and write indices
|
---|
491 | if (mWireframe)
|
---|
492 | stream << "<IndexedLineSet ccw=\"TRUE\" coordIndex=\"" << endl;
|
---|
493 | else
|
---|
494 | stream << "<IndexedFaceSet ccw=\"TRUE\" coordIndex=\"" << endl;
|
---|
495 |
|
---|
496 | int index = 0;
|
---|
497 |
|
---|
498 | PolygonContainer::const_iterator pit;
|
---|
499 |
|
---|
500 | VertexContainer::const_iterator vi;
|
---|
501 |
|
---|
502 | for (pit = polys.begin(); pit != polys.end(); ++pit)
|
---|
503 | {
|
---|
504 | Polygon3 *poly = *pit;
|
---|
505 | int startIdx = index;
|
---|
506 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
507 | {
|
---|
508 | stream << index ++ << " ";
|
---|
509 | }
|
---|
510 |
|
---|
511 | stream << startIdx << " ";// finish line
|
---|
512 | stream << "-1" << endl;
|
---|
513 | }
|
---|
514 |
|
---|
515 | stream << "\" >" << endl;
|
---|
516 |
|
---|
517 | stream << "<Coordinate point=\"" << endl;
|
---|
518 | for (pit = polys.begin(); pit != polys.end(); ++ pit)
|
---|
519 | {
|
---|
520 | Polygon3 *poly = *pit;
|
---|
521 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
522 | {
|
---|
523 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
|
---|
524 | stream << "," << endl;
|
---|
525 | }
|
---|
526 | }
|
---|
527 | stream << "\" >" << endl;
|
---|
528 | stream << "</Coordinate>" << endl;
|
---|
529 |
|
---|
530 | if (mWireframe)
|
---|
531 | stream << "</IndexedLineSet>" << endl;
|
---|
532 | else
|
---|
533 | stream << "</IndexedFaceSet>" << endl;
|
---|
534 |
|
---|
535 | stream << "</Shape>" << endl;
|
---|
536 | }
|
---|
537 |
|
---|
538 | bool
|
---|
539 | X3dExporter::ExportBox(const AxisAlignedBox3 &box)
|
---|
540 | {
|
---|
541 | Mesh *mesh = new Mesh;
|
---|
542 | // add 6 vertices of the box
|
---|
543 | int index = (int)mesh->mVertices.size();
|
---|
544 | for (int i=0; i < 8; i++) {
|
---|
545 | Vector3 v;
|
---|
546 | box.GetVertex(i, v);
|
---|
547 | mesh->mVertices.push_back(v);
|
---|
548 | }
|
---|
549 |
|
---|
550 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
551 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
552 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
553 |
|
---|
554 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
555 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
556 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
557 |
|
---|
558 | ExportMesh(mesh);
|
---|
559 | delete mesh;
|
---|
560 | return true;
|
---|
561 | }
|
---|
562 |
|
---|
563 | bool
|
---|
564 | X3dExporter::ExportBspTree(const BspTree &tree)
|
---|
565 | {
|
---|
566 | if (mExportRayDensity)
|
---|
567 | {
|
---|
568 | return ExportBspTreeRayDensity(tree);
|
---|
569 | }
|
---|
570 |
|
---|
571 | bool savedWireframe = mWireframe;
|
---|
572 |
|
---|
573 | SetWireframe();
|
---|
574 |
|
---|
575 | ExportBox(tree.GetBoundingBox());
|
---|
576 |
|
---|
577 | if (!savedWireframe)
|
---|
578 | SetFilled();
|
---|
579 |
|
---|
580 | // export view cells
|
---|
581 | ExportBspViewCellPartition(tree);
|
---|
582 |
|
---|
583 | return true;
|
---|
584 | }
|
---|
585 |
|
---|
586 | bool X3dExporter::ExportVspKdTree(const VspKdTree &tree, const int maxPvs)
|
---|
587 | {
|
---|
588 | stack<VspKdTreeNode *> tStack;
|
---|
589 |
|
---|
590 | tStack.push(tree.GetRoot());
|
---|
591 |
|
---|
592 | //Mesh *mesh = new Mesh;
|
---|
593 |
|
---|
594 | if (maxPvs > 0)
|
---|
595 | mUseForcedMaterial = true;
|
---|
596 |
|
---|
597 | while (!tStack.empty())
|
---|
598 | {
|
---|
599 | VspKdTreeNode *node = tStack.top();
|
---|
600 |
|
---|
601 | tStack.pop();
|
---|
602 |
|
---|
603 | if (node->IsLeaf())
|
---|
604 | {
|
---|
605 | AxisAlignedBox3 box = tree.GetBBox(node);
|
---|
606 |
|
---|
607 | Mesh *mesh = new Mesh;
|
---|
608 |
|
---|
609 | // add 6 vertices of the box
|
---|
610 | int index = (int)mesh->mVertices.size();
|
---|
611 |
|
---|
612 | for (int i=0; i < 8; ++ i)
|
---|
613 | {
|
---|
614 | Vector3 v;
|
---|
615 | box.GetVertex(i, v);
|
---|
616 | mesh->mVertices.push_back(v);
|
---|
617 | }
|
---|
618 |
|
---|
619 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
620 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
621 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
622 |
|
---|
623 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
624 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
625 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
626 |
|
---|
627 | if (maxPvs > 0)
|
---|
628 | {
|
---|
629 | VspKdTreeLeaf *leaf = dynamic_cast<VspKdTreeLeaf *>(node);
|
---|
630 |
|
---|
631 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
632 |
|
---|
633 | leaf->UpdatePvsSize();
|
---|
634 |
|
---|
635 | const float importance = (float)leaf->GetPvsSize() / (float)maxPvs;
|
---|
636 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
637 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
638 | }
|
---|
639 |
|
---|
640 | ExportMesh(mesh);
|
---|
641 | DEL_PTR(mesh);
|
---|
642 | }
|
---|
643 | else
|
---|
644 | {
|
---|
645 | VspKdTreeInterior *interior = dynamic_cast<VspKdTreeInterior *>(node);
|
---|
646 | tStack.push(interior->GetFront());
|
---|
647 | tStack.push(interior->GetBack());
|
---|
648 | }
|
---|
649 | }
|
---|
650 |
|
---|
651 | //ExportMesh(mesh);
|
---|
652 | //DEL_PTR(mesh);
|
---|
653 |
|
---|
654 | return true;
|
---|
655 | }
|
---|
656 |
|
---|
657 | bool X3dExporter::ExportKdTree(const KdTree &tree)
|
---|
658 | {
|
---|
659 | if (mExportRayDensity) {
|
---|
660 | return ExportKdTreeRayDensity(tree);
|
---|
661 | }
|
---|
662 |
|
---|
663 | stack<KdNode *> tStack;
|
---|
664 |
|
---|
665 | tStack.push(tree.GetRoot());
|
---|
666 |
|
---|
667 | Mesh *mesh = new Mesh;
|
---|
668 |
|
---|
669 | while (!tStack.empty()) {
|
---|
670 | KdNode *node = tStack.top();
|
---|
671 | tStack.pop();
|
---|
672 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
673 | // add 6 vertices of the box
|
---|
674 | int index = (int)mesh->mVertices.size();
|
---|
675 | for (int i=0; i < 8; i++) {
|
---|
676 | Vector3 v;
|
---|
677 | box.GetVertex(i, v);
|
---|
678 | mesh->mVertices.push_back(v);
|
---|
679 | }
|
---|
680 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
681 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
682 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
683 |
|
---|
684 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
685 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
686 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
687 |
|
---|
688 | if (!node->IsLeaf()) {
|
---|
689 | KdInterior *interior = (KdInterior *)node;
|
---|
690 | tStack.push(interior->mFront);
|
---|
691 | tStack.push(interior->mBack);
|
---|
692 | }
|
---|
693 | }
|
---|
694 |
|
---|
695 | ExportMesh(mesh);
|
---|
696 | delete mesh;
|
---|
697 | return true;
|
---|
698 | // TODO
|
---|
699 | return true;
|
---|
700 | }
|
---|
701 |
|
---|
702 |
|
---|
703 | void
|
---|
704 | X3dExporter::AddBoxToMesh(const AxisAlignedBox3 &box,
|
---|
705 | Mesh *mesh)
|
---|
706 | {
|
---|
707 | // add 6 vertices of the box
|
---|
708 | int index = (int)mesh->mVertices.size();
|
---|
709 |
|
---|
710 | for (int i=0; i < 8; i++) {
|
---|
711 | Vector3 v;
|
---|
712 | box.GetVertex(i, v);
|
---|
713 | mesh->mVertices.push_back(v);
|
---|
714 | }
|
---|
715 |
|
---|
716 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
717 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
718 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
719 |
|
---|
720 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
721 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
722 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
723 |
|
---|
724 | }
|
---|
725 |
|
---|
726 | bool
|
---|
727 | X3dExporter::ExportVssTree(const VssTree &tree
|
---|
728 | )
|
---|
729 | {
|
---|
730 | stack<VssTreeNode *> tStack;
|
---|
731 |
|
---|
732 | tStack.push(tree.GetRoot());
|
---|
733 |
|
---|
734 | Mesh *mesh = new Mesh;
|
---|
735 | VssRayContainer rays;
|
---|
736 |
|
---|
737 | while (!tStack.empty()) {
|
---|
738 |
|
---|
739 | VssTreeNode *node = tStack.top();
|
---|
740 | tStack.pop();
|
---|
741 |
|
---|
742 |
|
---|
743 | if (!node->IsLeaf()) {
|
---|
744 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
745 | tStack.push(interior->front);
|
---|
746 | tStack.push(interior->back);
|
---|
747 | } else {
|
---|
748 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
749 | AxisAlignedBox3 box;
|
---|
750 | box = tree.GetBBox(leaf);
|
---|
751 | AddBoxToMesh(box, mesh);
|
---|
752 |
|
---|
753 | if (tree.ValidLeaf(leaf)) {
|
---|
754 |
|
---|
755 | Vector3 origin = box.Center();
|
---|
756 | box = tree.GetDirBBox(leaf);
|
---|
757 | VssRay *ray;
|
---|
758 |
|
---|
759 | const indices[][2] = {{0,0}, {0,1}, {1,1}, {1,0}};
|
---|
760 | MeshInstance dummy(mesh);
|
---|
761 | for (int i=0; i < 4; i++) {
|
---|
762 | // Vector3 v = box.GetVertex(indices[i][0], indices[i][1], 0);
|
---|
763 | Vector3 v = box.Center();
|
---|
764 |
|
---|
765 | Vector3 direction = VssRay::GetDirection(v.x, v.y);
|
---|
766 | if (Magnitude(direction) > Limits::Small)
|
---|
767 | direction.Normalize();
|
---|
768 | else
|
---|
769 | direction = Vector3(0, 1, 0);
|
---|
770 | float k = 100.0f*leaf->GetImportance();
|
---|
771 | // get 4 corners of the ray directions
|
---|
772 |
|
---|
773 | ray = new VssRay(origin, origin + (direction*k), NULL, &dummy);
|
---|
774 | rays.push_back(ray);
|
---|
775 | }
|
---|
776 | }
|
---|
777 | }
|
---|
778 | }
|
---|
779 |
|
---|
780 | ExportMesh(mesh);
|
---|
781 | ExportRays(rays);
|
---|
782 | CLEAR_CONTAINER(rays);
|
---|
783 | delete mesh;
|
---|
784 | return true;
|
---|
785 | }
|
---|
786 |
|
---|
787 | bool
|
---|
788 | X3dExporter::ExportVssTree2(const VssTree &tree,
|
---|
789 | const Vector3 direction
|
---|
790 | )
|
---|
791 | {
|
---|
792 | stack<VssTreeNode *> tStack;
|
---|
793 |
|
---|
794 |
|
---|
795 | mUseForcedMaterial = true;
|
---|
796 |
|
---|
797 | Vector3 dirParam;
|
---|
798 |
|
---|
799 | dirParam.x = VssRay::GetDirParam(0, Normalize(direction));
|
---|
800 | dirParam.y = VssRay::GetDirParam(1, Normalize(direction));
|
---|
801 |
|
---|
802 | float maxImportance = 0.0f;
|
---|
803 | tStack.push(tree.GetRoot());
|
---|
804 | while (!tStack.empty()) {
|
---|
805 |
|
---|
806 | VssTreeNode *node = tStack.top();
|
---|
807 | tStack.pop();
|
---|
808 |
|
---|
809 | if (!node->IsLeaf()) {
|
---|
810 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
811 | if (interior->axis < 3) {
|
---|
812 | tStack.push(interior->front);
|
---|
813 | tStack.push(interior->back);
|
---|
814 | } else {
|
---|
815 | if (dirParam[interior->axis-3] < interior->position)
|
---|
816 | tStack.push(interior->back);
|
---|
817 | else
|
---|
818 | tStack.push(interior->front);
|
---|
819 | }
|
---|
820 | } else {
|
---|
821 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
822 | if (tree.ValidLeaf(leaf)) {
|
---|
823 | float i = leaf->GetImportance();
|
---|
824 | if (i > maxImportance)
|
---|
825 | maxImportance = i;
|
---|
826 | }
|
---|
827 | }
|
---|
828 | }
|
---|
829 |
|
---|
830 | tStack.push(tree.GetRoot());
|
---|
831 | while (!tStack.empty()) {
|
---|
832 |
|
---|
833 | VssTreeNode *node = tStack.top();
|
---|
834 | tStack.pop();
|
---|
835 |
|
---|
836 |
|
---|
837 | if (!node->IsLeaf()) {
|
---|
838 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
839 | if (interior->axis < 3) {
|
---|
840 | tStack.push(interior->front);
|
---|
841 | tStack.push(interior->back);
|
---|
842 | } else {
|
---|
843 | if (dirParam[interior->axis-3] < interior->position)
|
---|
844 | tStack.push(interior->back);
|
---|
845 | else
|
---|
846 | tStack.push(interior->front);
|
---|
847 | }
|
---|
848 | } else {
|
---|
849 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
850 | if (tree.ValidLeaf(leaf)) {
|
---|
851 | AxisAlignedBox3 box;
|
---|
852 | box = tree.GetBBox(leaf);
|
---|
853 | Mesh *mesh = new Mesh;
|
---|
854 | AddBoxToMesh(box, mesh);
|
---|
855 |
|
---|
856 | // get 4 corners of the ray directions
|
---|
857 |
|
---|
858 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
859 | mForcedMaterial.mDiffuseColor.r = leaf->GetImportance()/maxImportance;
|
---|
860 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
861 |
|
---|
862 | ExportMesh(mesh);
|
---|
863 | delete mesh;
|
---|
864 | }
|
---|
865 | }
|
---|
866 | }
|
---|
867 |
|
---|
868 | mUseForcedMaterial = false;
|
---|
869 |
|
---|
870 | return true;
|
---|
871 | }
|
---|
872 |
|
---|
873 | bool
|
---|
874 | X3dExporter::ExportBspTreeRayDensity(const BspTree &tree)
|
---|
875 | {
|
---|
876 | stack<BspNode *> tStack;
|
---|
877 |
|
---|
878 | tStack.push(tree.GetRoot());
|
---|
879 |
|
---|
880 | bool fm = mUseForcedMaterial;
|
---|
881 |
|
---|
882 | mUseForcedMaterial = true;
|
---|
883 |
|
---|
884 | mForcedMaterial.mDiffuseColor.g = 1.0f;
|
---|
885 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
886 |
|
---|
887 | while (!tStack.empty())
|
---|
888 | {
|
---|
889 | BspNode *node = tStack.top();
|
---|
890 | tStack.pop();
|
---|
891 |
|
---|
892 | if (node->IsLeaf())
|
---|
893 | {
|
---|
894 | ViewCell *vc = dynamic_cast<BspLeaf *>(node)->GetViewCell();
|
---|
895 |
|
---|
896 | // set the mesh material according to the ray density
|
---|
897 | if (vc->mPassingRays.mRays)
|
---|
898 | {
|
---|
899 | float importance =
|
---|
900 | vc->mPassingRays.mContributions / (float)vc->mPassingRays.mRays;
|
---|
901 |
|
---|
902 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
903 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
904 | ExportViewCell(vc);
|
---|
905 | }
|
---|
906 | } else
|
---|
907 | {
|
---|
908 | BspInterior *interior = (BspInterior *)node;
|
---|
909 | tStack.push(interior->GetFront());
|
---|
910 | tStack.push(interior->GetBack());
|
---|
911 | }
|
---|
912 | }
|
---|
913 |
|
---|
914 | // restore the state of forced material
|
---|
915 | mUseForcedMaterial = fm;
|
---|
916 |
|
---|
917 | return true;
|
---|
918 | }
|
---|
919 |
|
---|
920 | bool
|
---|
921 | X3dExporter::ExportKdTreeRayDensity(const KdTree &tree)
|
---|
922 | {
|
---|
923 | stack<KdNode *> tStack;
|
---|
924 |
|
---|
925 | tStack.push(tree.GetRoot());
|
---|
926 |
|
---|
927 | bool fm = mUseForcedMaterial;
|
---|
928 | mUseForcedMaterial = true;
|
---|
929 | mForcedMaterial.mDiffuseColor.g = 1.0f;
|
---|
930 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
931 | while (!tStack.empty()) {
|
---|
932 | KdNode *node = tStack.top();
|
---|
933 | tStack.pop();
|
---|
934 | if (node->IsLeaf()) {
|
---|
935 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
936 | Mesh *mesh = new Mesh;
|
---|
937 |
|
---|
938 | // add 6 vertices of the box
|
---|
939 | int index = (int)mesh->mVertices.size();
|
---|
940 | for (int i=0; i < 8; i++) {
|
---|
941 | Vector3 v;
|
---|
942 | box.GetVertex(i, v);
|
---|
943 | mesh->mVertices.push_back(v);
|
---|
944 | }
|
---|
945 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
946 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
947 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
948 |
|
---|
949 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
950 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
951 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
952 |
|
---|
953 |
|
---|
954 | // set the mesh material according to the ray density
|
---|
955 | KdLeaf *leaf = (KdLeaf *) node;
|
---|
956 | if (leaf->mPassingRays.mRays) {
|
---|
957 | float importance = leaf->mPassingRays.mContributions/(float)leaf->mPassingRays.mRays;
|
---|
958 | // float importance = leaf->mPassingRays.mContributions/1000.0f;
|
---|
959 | // float importance = leaf->mPassingRays.mRays/1000.0f;
|
---|
960 | ///(float)leaf->mPassingRays.mRays;
|
---|
961 | // mForcedMaterial.mDiffuseColor.r = log10(leaf->mPassingRays.mRays)/3.0f;
|
---|
962 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
963 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
964 | ExportMesh(mesh);
|
---|
965 | }
|
---|
966 | delete mesh;
|
---|
967 | } else {
|
---|
968 | KdInterior *interior = (KdInterior *)node;
|
---|
969 | tStack.push(interior->mFront);
|
---|
970 | tStack.push(interior->mBack);
|
---|
971 | }
|
---|
972 | }
|
---|
973 | // restore the state of forced material
|
---|
974 | mUseForcedMaterial = fm;
|
---|
975 | return true;
|
---|
976 | }
|
---|
977 |
|
---|
978 |
|
---|
979 | struct BspSplitData
|
---|
980 | {
|
---|
981 | /// the current node
|
---|
982 | BspNode *mNode;
|
---|
983 |
|
---|
984 | vector<Plane3 *> mPlanes;
|
---|
985 | vector<bool> mSides;
|
---|
986 | bool mIsFront;
|
---|
987 | int mDepth;
|
---|
988 |
|
---|
989 | BspSplitData(BspNode *node):
|
---|
990 | mNode(node), mIsFront(false), mDepth(0)
|
---|
991 | {};
|
---|
992 |
|
---|
993 | BspSplitData(BspNode *node,
|
---|
994 | vector<Plane3 *> planes,
|
---|
995 | vector<bool> sides,
|
---|
996 | const bool isFront,
|
---|
997 | const int depth):
|
---|
998 | mNode(node), mPlanes(planes), mSides(sides),
|
---|
999 | mIsFront(isFront), mDepth(depth)
|
---|
1000 | {};
|
---|
1001 | };
|
---|
1002 |
|
---|
1003 | void X3dExporter::ExportLeavesGeometry(const BspTree &tree,
|
---|
1004 | const vector<BspLeaf *> &leaves)
|
---|
1005 | {
|
---|
1006 | vector<BspLeaf *>::const_iterator it, it_end = leaves.end();
|
---|
1007 |
|
---|
1008 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
1009 | {
|
---|
1010 | PolygonContainer cell;
|
---|
1011 | tree.ConstructGeometry(*it, cell);
|
---|
1012 |
|
---|
1013 | ExportPolygons(cell);
|
---|
1014 |
|
---|
1015 | CLEAR_CONTAINER(cell);
|
---|
1016 | }
|
---|
1017 | }
|
---|
1018 |
|
---|
1019 | void X3dExporter::ExportBspSplits(const BspTree &tree,
|
---|
1020 | const bool exportDepth)
|
---|
1021 | {
|
---|
1022 | std::stack<BspSplitData> tStack;
|
---|
1023 |
|
---|
1024 | BspSplitData tData(tree.GetRoot());
|
---|
1025 | tStack.push(tData);
|
---|
1026 |
|
---|
1027 | PolygonContainer polys;
|
---|
1028 | vector <int> depths;
|
---|
1029 |
|
---|
1030 | int maxDepth = 0;
|
---|
1031 |
|
---|
1032 | while (!tStack.empty())
|
---|
1033 | {
|
---|
1034 | // filter polygons donw the tree
|
---|
1035 | BspSplitData tData = tStack.top();
|
---|
1036 | tStack.pop();
|
---|
1037 |
|
---|
1038 | if (tData.mNode->IsLeaf())
|
---|
1039 | {
|
---|
1040 | if (tData.mDepth > maxDepth)
|
---|
1041 | maxDepth = tData.mDepth;
|
---|
1042 | }
|
---|
1043 | else
|
---|
1044 | {
|
---|
1045 | BspInterior *interior = dynamic_cast<BspInterior *>(tData.mNode);
|
---|
1046 |
|
---|
1047 | // add current side of split plane
|
---|
1048 | if (tData.mNode != tree.GetRoot())
|
---|
1049 | tData.mSides.push_back(tData.mIsFront);
|
---|
1050 |
|
---|
1051 | // bounded plane is added to the polygons
|
---|
1052 | Polygon3 *planePoly =
|
---|
1053 | tree.GetBoundingBox().CrossSection(*interior->GetPlane());
|
---|
1054 |
|
---|
1055 | // do all the splits with the previous planes
|
---|
1056 | for (int i = 0; i < (int)tData.mPlanes.size(); ++ i)
|
---|
1057 | {
|
---|
1058 | if (planePoly->ClassifyPlane(*tData.mPlanes[i]) == Polygon3::SPLIT)
|
---|
1059 | {
|
---|
1060 | Polygon3 *frontPoly = new Polygon3();
|
---|
1061 | Polygon3 *backPoly = new Polygon3();
|
---|
1062 |
|
---|
1063 | planePoly->Split(*tData.mPlanes[i], *frontPoly, *backPoly);
|
---|
1064 | DEL_PTR(planePoly);
|
---|
1065 |
|
---|
1066 | if(tData.mSides[i] == true)
|
---|
1067 | {
|
---|
1068 | planePoly = frontPoly;
|
---|
1069 | DEL_PTR(backPoly);
|
---|
1070 | }
|
---|
1071 | else
|
---|
1072 | {
|
---|
1073 | planePoly = backPoly;
|
---|
1074 | DEL_PTR(frontPoly);
|
---|
1075 | }
|
---|
1076 | }
|
---|
1077 | }
|
---|
1078 |
|
---|
1079 | tData.mPlanes.push_back(interior->GetPlane()); // add plane to split planes
|
---|
1080 |
|
---|
1081 | if (planePoly->Valid())
|
---|
1082 | {
|
---|
1083 | polys.push_back(planePoly);
|
---|
1084 | depths.push_back(tData.mDepth);
|
---|
1085 | }
|
---|
1086 | else
|
---|
1087 | DEL_PTR(planePoly);
|
---|
1088 |
|
---|
1089 | // push the children on the stack
|
---|
1090 | tStack.push(BspSplitData(interior->GetFront(), tData.mPlanes,
|
---|
1091 | tData.mSides, true, tData.mDepth + 1));
|
---|
1092 | tStack.push(BspSplitData(interior->GetBack(), tData.mPlanes,
|
---|
1093 | tData.mSides, false, tData.mDepth + 1));
|
---|
1094 | }
|
---|
1095 | }
|
---|
1096 |
|
---|
1097 | if (maxDepth > 0)
|
---|
1098 | {
|
---|
1099 | mUseForcedMaterial = true;
|
---|
1100 |
|
---|
1101 | for (int i = 0; i < (int)polys.size(); ++ i)
|
---|
1102 | {
|
---|
1103 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
1104 | float importance = (float)depths[i]/ (float)maxDepth;
|
---|
1105 |
|
---|
1106 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
1107 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
1108 |
|
---|
1109 | ExportPolygon(polys[i]);
|
---|
1110 | }
|
---|
1111 | }
|
---|
1112 | else
|
---|
1113 | {
|
---|
1114 | ExportPolygons(polys);
|
---|
1115 | }
|
---|
1116 |
|
---|
1117 | CLEAR_CONTAINER(polys);
|
---|
1118 | }
|
---|
1119 |
|
---|
1120 | void X3dExporter::ExportBspSplitPlanes(const BspTree &tree)
|
---|
1121 | {
|
---|
1122 | std::stack<BspNode *> tStack;
|
---|
1123 |
|
---|
1124 | tStack.push(tree.GetRoot());
|
---|
1125 |
|
---|
1126 | PolygonContainer polys;
|
---|
1127 |
|
---|
1128 | while (!tStack.empty())
|
---|
1129 | {
|
---|
1130 | // filter polygons donw the tree
|
---|
1131 | BspNode *node = tStack.top();
|
---|
1132 | tStack.pop();
|
---|
1133 |
|
---|
1134 | if (!node->IsLeaf())
|
---|
1135 | {
|
---|
1136 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
|
---|
1137 |
|
---|
1138 | // bounded plane is added to the polygons
|
---|
1139 | polys.push_back(tree.GetBoundingBox().CrossSection(*interior->GetPlane()));
|
---|
1140 |
|
---|
1141 | // push the children on the stack
|
---|
1142 | tStack.push(interior->GetBack());
|
---|
1143 | tStack.push(interior->GetFront());
|
---|
1144 | }
|
---|
1145 | }
|
---|
1146 |
|
---|
1147 | ExportPolygons(polys);
|
---|
1148 | CLEAR_CONTAINER(polys);
|
---|
1149 | }
|
---|
1150 |
|
---|
1151 |
|
---|
1152 | void X3dExporter::ExportGeometry(const ObjectContainer &objects)
|
---|
1153 | {
|
---|
1154 | for (int j = 0; j < objects.size(); ++ j)
|
---|
1155 | ExportIntersectable(objects[j]);
|
---|
1156 | }
|
---|
1157 |
|
---|
1158 |
|
---|