1 | #include <stack>
|
---|
2 | #include "common.h"
|
---|
3 | #include "SceneGraph.h"
|
---|
4 | #include "VrmlExporter.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 | #include "VspBspTree.h"
|
---|
14 | #include "RssTree.h"
|
---|
15 | #include "Beam.h"
|
---|
16 |
|
---|
17 |
|
---|
18 |
|
---|
19 | VrmlExporter::VrmlExporter(const string filename):Exporter(filename)
|
---|
20 | {
|
---|
21 | stream.open(mFilename.c_str());
|
---|
22 | stream<<"#VRML V2.0 utf8"<<endl;
|
---|
23 | }
|
---|
24 |
|
---|
25 | VrmlExporter::~VrmlExporter()
|
---|
26 | {
|
---|
27 | stream.close();
|
---|
28 | }
|
---|
29 |
|
---|
30 |
|
---|
31 | bool VrmlExporter::ExportRays(const RayContainer &rays,
|
---|
32 | const float length,
|
---|
33 | const RgbColor &color)
|
---|
34 | {
|
---|
35 | RayContainer::const_iterator ri = rays.begin();
|
---|
36 |
|
---|
37 | stream<<"Shape {"<<endl;
|
---|
38 | stream<<"appearance Appearance {"<<endl;
|
---|
39 | stream << "material Material { diffuseColor=\"" << color.r << " " << color.g << " "
|
---|
40 | << color.b << "}" << endl;
|
---|
41 | stream<<"}"<<endl;
|
---|
42 |
|
---|
43 | stream<<"IndexedLineSet { coordIndex=\""<<endl;
|
---|
44 |
|
---|
45 | int index = 0;
|
---|
46 | for (; ri != rays.end(); ri++)
|
---|
47 | {
|
---|
48 | stream << index << " " << index + 1 << " -1\n";
|
---|
49 | index+=2;
|
---|
50 | }
|
---|
51 |
|
---|
52 | stream << "}"<<endl;
|
---|
53 |
|
---|
54 | stream<<"<Coordinate point=\""<<endl;
|
---|
55 |
|
---|
56 | ri = rays.begin();
|
---|
57 | for (; ri != rays.end(); ri++)
|
---|
58 | {
|
---|
59 | Vector3 a = (*ri)->GetLoc();
|
---|
60 |
|
---|
61 | Vector3 b;
|
---|
62 |
|
---|
63 | if (length < 0)
|
---|
64 | {
|
---|
65 | b = (*ri)->GetLoc() - length*(*ri)->GetDir();
|
---|
66 | }
|
---|
67 | else
|
---|
68 | {
|
---|
69 | if ((*ri)->intersections.size()==0)
|
---|
70 | b = (*ri)->GetLoc() + length*(*ri)->GetDir();
|
---|
71 | else
|
---|
72 | b = (*ri)->Extrap((*ri)->intersections[0].mT);
|
---|
73 | }
|
---|
74 |
|
---|
75 | stream << a.x << " " << a.y << " " << a.z << " ,";
|
---|
76 | stream << b.x << " " << b.y << " " << b.z << " ,\n";
|
---|
77 | }
|
---|
78 |
|
---|
79 | stream << "}" << endl;
|
---|
80 | stream << "}" << endl;
|
---|
81 | stream << "}" << endl;
|
---|
82 | stream << "}" << endl;
|
---|
83 |
|
---|
84 | return true;
|
---|
85 | }
|
---|
86 |
|
---|
87 |
|
---|
88 | bool VrmlExporter::ExportRays(const VssRayContainer &rays,
|
---|
89 | const RgbColor &color)
|
---|
90 | {
|
---|
91 | VssRayContainer::const_iterator ri = rays.begin();
|
---|
92 |
|
---|
93 | stream << "Shape {" << endl;
|
---|
94 | stream << "appearance Appearance {" << endl;
|
---|
95 | stream << "material Material {" << endl;
|
---|
96 | stream << "diffuseColor " << color.r << " " << color.g << " " << color.b << endl;
|
---|
97 | stream << "}" << endl; // end material
|
---|
98 | stream << "}" << endl; // end appearance
|
---|
99 |
|
---|
100 | stream << "IndexedLineSet { coordIndex=\"" << endl;
|
---|
101 |
|
---|
102 | int index = 0;
|
---|
103 | for (; ri != rays.end(); ri++)
|
---|
104 | {
|
---|
105 | stream << index << " " << index + 1 << " -1\n";
|
---|
106 | index +=2 ;
|
---|
107 | }
|
---|
108 |
|
---|
109 | stream << "}" << endl;
|
---|
110 |
|
---|
111 | stream << "Coordinate point= {" << endl;
|
---|
112 |
|
---|
113 | ri = rays.begin();
|
---|
114 | for (; ri != rays.end(); ri++) {
|
---|
115 | const Vector3 a = (*ri)->GetOrigin();
|
---|
116 | //const Vector3 b = (*ri)->mTerminationObject ? (*ri)->GetTermination() : a + 1000 * Normalize((*ri)->GetDir());
|
---|
117 | const Vector3 b = (*ri)->GetTermination(); // matt: change again!!
|
---|
118 |
|
---|
119 | stream<<a.x<<" "<<a.y<<" "<<a.z<<" ,";
|
---|
120 | stream<<b.x<<" "<<b.y<<" "<<b.z<<" ,\n";
|
---|
121 | }
|
---|
122 |
|
---|
123 | stream << "}" << endl;
|
---|
124 | stream << "}" << endl;
|
---|
125 | stream << "}" << endl;
|
---|
126 | stream << "}" << endl;
|
---|
127 |
|
---|
128 | return true;
|
---|
129 | }
|
---|
130 |
|
---|
131 |
|
---|
132 | void VrmlExporter::ExportSceneNode(SceneGraphNode *node)
|
---|
133 | {
|
---|
134 | stream << "Group {" << endl;
|
---|
135 |
|
---|
136 | SceneGraphNodeContainer::iterator ni = node->mChildren.begin();
|
---|
137 |
|
---|
138 | for (; ni != node->mChildren.end(); ni++)
|
---|
139 | {
|
---|
140 | ExportSceneNode(*ni);
|
---|
141 | }
|
---|
142 | ObjectContainer::const_iterator mi = node->mGeometry.begin();
|
---|
143 |
|
---|
144 | for (; mi != node->mGeometry.end(); mi++)
|
---|
145 | {
|
---|
146 | // export the transform...
|
---|
147 | ExportIntersectable(*mi);
|
---|
148 | }
|
---|
149 |
|
---|
150 | stream<<"</Group>"<<endl;
|
---|
151 | }
|
---|
152 |
|
---|
153 | void VrmlExporter::ExportIntersectable(Intersectable *object)
|
---|
154 | {
|
---|
155 | switch (object->Type())
|
---|
156 | {
|
---|
157 |
|
---|
158 | case Intersectable::MESH_INSTANCE:
|
---|
159 | case Intersectable::TRANSFORMED_MESH_INSTANCE:
|
---|
160 | ExportMeshInstance((MeshInstance *)object);
|
---|
161 | break;
|
---|
162 | case Intersectable::VIEW_CELL:
|
---|
163 | ExportViewCell((ViewCell *)object);
|
---|
164 | break;
|
---|
165 | default:
|
---|
166 | cerr << "Sorry the export for object not yet defined" << endl;
|
---|
167 | break;
|
---|
168 | }
|
---|
169 | }
|
---|
170 |
|
---|
171 |
|
---|
172 | void VrmlExporter::ExportMeshInstance(MeshInstance *object)
|
---|
173 | {
|
---|
174 | // $$JB$$
|
---|
175 | // in the future check whether the mesh was not already exported
|
---|
176 | // and use a reference to the that mesh instead
|
---|
177 | ExportMesh(object->GetMesh());
|
---|
178 | }
|
---|
179 |
|
---|
180 |
|
---|
181 | void VrmlExporter::ExportViewCells(const ViewCellContainer &viewCells)
|
---|
182 | {
|
---|
183 | ViewCellContainer::const_iterator it, it_end = viewCells.end();
|
---|
184 |
|
---|
185 | for (it = viewCells.begin(); it != it_end; ++ it)
|
---|
186 | {
|
---|
187 | ExportViewCell(*it);
|
---|
188 | }
|
---|
189 | }
|
---|
190 |
|
---|
191 | void VrmlExporter::ExportBspLeaves(const BspTree &tree, const int maxPvs)
|
---|
192 | {
|
---|
193 | stack<pair<BspNode *, BspNodeGeometry *> > tStack;
|
---|
194 | ViewCell::NewMail();
|
---|
195 |
|
---|
196 | BspNodeGeometry *geom = new BspNodeGeometry();
|
---|
197 | tree.ConstructGeometry(tree.GetRoot(), *geom);
|
---|
198 |
|
---|
199 | tStack.push(pair<BspNode *, BspNodeGeometry *>(tree.GetRoot(), geom));
|
---|
200 |
|
---|
201 | if (maxPvs > 0)
|
---|
202 | mUseForcedMaterial = true;
|
---|
203 |
|
---|
204 | while (!tStack.empty())
|
---|
205 | {
|
---|
206 | BspNode *node = tStack.top().first;
|
---|
207 | BspNodeGeometry *cell = tStack.top().second;
|
---|
208 | tStack.pop();
|
---|
209 |
|
---|
210 | if (!node->IsLeaf())
|
---|
211 | {
|
---|
212 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
|
---|
213 |
|
---|
214 | BspNodeGeometry *front = new BspNodeGeometry();
|
---|
215 | BspNodeGeometry *back = new BspNodeGeometry();
|
---|
216 |
|
---|
217 | cell->SplitGeometry(*front,
|
---|
218 | *back,
|
---|
219 | interior->GetPlane(),
|
---|
220 | tree.GetBoundingBox(),
|
---|
221 | tree.GetEpsilon());
|
---|
222 |
|
---|
223 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetFront(), front));
|
---|
224 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetBack(), back));
|
---|
225 | }
|
---|
226 | else
|
---|
227 | {
|
---|
228 | if (maxPvs > 0)
|
---|
229 | {
|
---|
230 | BspLeaf *leaf = dynamic_cast<BspLeaf *>(node);
|
---|
231 |
|
---|
232 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
233 | float importance = (float)leaf->GetViewCell()->GetPvs().GetSize() / (float)maxPvs;
|
---|
234 |
|
---|
235 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
236 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
237 | }
|
---|
238 |
|
---|
239 | ExportPolygons(cell->GetPolys());
|
---|
240 | }
|
---|
241 |
|
---|
242 | DEL_PTR(cell);
|
---|
243 | }
|
---|
244 | }
|
---|
245 |
|
---|
246 |
|
---|
247 | void VrmlExporter::ExportViewCell(ViewCell *viewCell)
|
---|
248 | {
|
---|
249 | if (viewCell->GetMesh())
|
---|
250 | {
|
---|
251 | ExportMesh(viewCell->GetMesh());
|
---|
252 | }
|
---|
253 | }
|
---|
254 |
|
---|
255 |
|
---|
256 | void VrmlExporter::ExportMesh(Mesh *mesh)
|
---|
257 | {
|
---|
258 | stream << "Shape {" << endl;
|
---|
259 | stream << "appearance Appearance {" << endl;
|
---|
260 |
|
---|
261 | // $$ tmp -> random material
|
---|
262 |
|
---|
263 | float r, g, b;
|
---|
264 |
|
---|
265 | if (mUseForcedMaterial)
|
---|
266 | {
|
---|
267 | r = mForcedMaterial.mDiffuseColor.r;
|
---|
268 | g = mForcedMaterial.mDiffuseColor.g;
|
---|
269 | b = mForcedMaterial.mDiffuseColor.b;
|
---|
270 |
|
---|
271 | }
|
---|
272 | else if (mesh->mMaterial)
|
---|
273 | {
|
---|
274 | r = mesh->mMaterial->mDiffuseColor.r;
|
---|
275 | g = mesh->mMaterial->mDiffuseColor.g;
|
---|
276 | b = mesh->mMaterial->mDiffuseColor.b;
|
---|
277 | }
|
---|
278 | else
|
---|
279 | {
|
---|
280 | r = RandomValue(0.5, 1.0);
|
---|
281 | g = RandomValue(0.5, 1.0);
|
---|
282 | b = RandomValue(0.5, 1.0);
|
---|
283 | }
|
---|
284 |
|
---|
285 | stream << "material Material {" << endl;
|
---|
286 | stream << "diffuseColor " << r << " " << g << " " << b << endl;
|
---|
287 | stream << "specularColor 0.0 0.0 0.0" << endl;
|
---|
288 |
|
---|
289 | stream << "}" << endl; // end material
|
---|
290 | stream << "}" << endl; // end apperance
|
---|
291 | //stream << "}" << endl; // end shape
|
---|
292 |
|
---|
293 |
|
---|
294 | // wireframe modes => set indexed lines
|
---|
295 | if (mWireframe)
|
---|
296 | {
|
---|
297 | stream << "geometry IndexedLineSet {" << endl;
|
---|
298 | }
|
---|
299 | else
|
---|
300 | {
|
---|
301 | //stream<<"<IndexedFaceSet ccw=\"TRUE\" coordIndex=\""<<endl;
|
---|
302 | stream << "geometry IndexedFaceSet {" << endl;
|
---|
303 | }
|
---|
304 |
|
---|
305 |
|
---|
306 | stream << "coordIndex [" << endl;
|
---|
307 |
|
---|
308 | FaceContainer::const_iterator fi = mesh->mFaces.begin();
|
---|
309 |
|
---|
310 | int index = 0;
|
---|
311 |
|
---|
312 | for (; fi != mesh->mFaces.end(); fi++)
|
---|
313 | {
|
---|
314 | Face *face = *fi;
|
---|
315 |
|
---|
316 | VertexIndexContainer::const_iterator vi = face->mVertexIndices.begin();
|
---|
317 |
|
---|
318 | for (; vi != face->mVertexIndices.end(); vi++)
|
---|
319 | {
|
---|
320 | stream << *vi << " ";
|
---|
321 | }
|
---|
322 |
|
---|
323 | if (mWireframe) // final line to finish polygon
|
---|
324 | {
|
---|
325 | stream << (*face->mVertexIndices.begin()) << " ";
|
---|
326 | }
|
---|
327 |
|
---|
328 | stream << "-1" << endl;
|
---|
329 | }
|
---|
330 |
|
---|
331 | stream << "]" << endl; // end coordIndex
|
---|
332 |
|
---|
333 |
|
---|
334 | stream << "coord Coordinate {" << endl;
|
---|
335 | stream << "point [" << endl;
|
---|
336 |
|
---|
337 | VertexContainer::const_iterator vi = mesh->mVertices.begin();
|
---|
338 |
|
---|
339 | for (; vi != mesh->mVertices.end(); vi++)
|
---|
340 | {
|
---|
341 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
|
---|
342 | stream << "," << endl;
|
---|
343 | }
|
---|
344 |
|
---|
345 | stream << "]" << endl; // end point
|
---|
346 | stream << "}" << endl; // end coord
|
---|
347 | stream << "}" << endl; // end geometry
|
---|
348 |
|
---|
349 | stream << "}" << endl; // end shape
|
---|
350 | }
|
---|
351 |
|
---|
352 |
|
---|
353 | void VrmlExporter::ExportPolygon(Polygon3 *poly)
|
---|
354 | {
|
---|
355 | stream << "Shape {" << endl;
|
---|
356 | stream << "appearance Appearance {" << endl;
|
---|
357 |
|
---|
358 | // $$ tmp -> random material
|
---|
359 | float r, g, b;
|
---|
360 |
|
---|
361 | if (mUseForcedMaterial)
|
---|
362 | {
|
---|
363 | r = mForcedMaterial.mDiffuseColor.r;
|
---|
364 | g = mForcedMaterial.mDiffuseColor.g;
|
---|
365 | b = mForcedMaterial.mDiffuseColor.b;
|
---|
366 | }
|
---|
367 | else if (poly->mMaterial)
|
---|
368 | {
|
---|
369 | r = poly->mMaterial->mDiffuseColor.r;
|
---|
370 | g = poly->mMaterial->mDiffuseColor.g;
|
---|
371 | b = poly->mMaterial->mDiffuseColor.b;
|
---|
372 | }
|
---|
373 | else
|
---|
374 | {
|
---|
375 | r = RandomValue(0.5, 1.0);
|
---|
376 | g = RandomValue(0.5, 1.0);
|
---|
377 | b = RandomValue(0.5, 1.0);
|
---|
378 | }
|
---|
379 |
|
---|
380 | stream << "material Material {" << endl;
|
---|
381 | stream << "diffuseColor " << r << " " << g << " " << b << endl;
|
---|
382 | stream << "specularColor 0.0 0.0 0.0" << endl;
|
---|
383 |
|
---|
384 | stream << "}" << endl; // end material
|
---|
385 | stream << "}" << endl; // end apperance
|
---|
386 | //stream << "}" << endl; // end shape
|
---|
387 |
|
---|
388 |
|
---|
389 | // wireframe modes => set indexed lines
|
---|
390 | if (mWireframe)
|
---|
391 | {
|
---|
392 | stream << "geometry IndexedLineSet {" << endl;
|
---|
393 | }
|
---|
394 | else
|
---|
395 | {
|
---|
396 | //stream<<"<IndexedFaceSet ccw=\"TRUE\" coordIndex=\""<<endl;
|
---|
397 | stream << "geometry IndexedFaceSet {" << endl;
|
---|
398 | }
|
---|
399 |
|
---|
400 |
|
---|
401 | stream << "coordIndex [" << endl;
|
---|
402 |
|
---|
403 |
|
---|
404 | int index = 0;
|
---|
405 |
|
---|
406 | VertexContainer::const_iterator vi;
|
---|
407 |
|
---|
408 | for (index = 0; index < (int)poly->mVertices.size(); ++ index)
|
---|
409 | {
|
---|
410 | stream << index << " ";
|
---|
411 | }
|
---|
412 |
|
---|
413 | if (mWireframe) // final line to finish polygon
|
---|
414 | {
|
---|
415 | stream << "0 ";
|
---|
416 | }
|
---|
417 |
|
---|
418 | stream << "-1" << endl;
|
---|
419 |
|
---|
420 | stream << "]" << endl; // end coordIndex
|
---|
421 |
|
---|
422 |
|
---|
423 | stream << "coord Coordinate {" << endl;
|
---|
424 | stream << "point [" << endl;
|
---|
425 |
|
---|
426 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
427 | {
|
---|
428 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
|
---|
429 | stream << "," << endl;
|
---|
430 | }
|
---|
431 |
|
---|
432 | stream << "]" << endl; // end point
|
---|
433 | stream << "}" << endl; // end coord
|
---|
434 | stream << "}" << endl; // end geometry
|
---|
435 |
|
---|
436 | stream << "}" << endl; // end shape
|
---|
437 | }
|
---|
438 |
|
---|
439 |
|
---|
440 | void VrmlExporter::ExportPolygons(const PolygonContainer &polys)
|
---|
441 | {
|
---|
442 | stream << "Shape {" << endl;
|
---|
443 | stream << "appearance Appearance {" << endl;
|
---|
444 |
|
---|
445 | // $$ tmp -> random material
|
---|
446 |
|
---|
447 | float r, g, b;
|
---|
448 |
|
---|
449 | if (mUseForcedMaterial)
|
---|
450 | {
|
---|
451 | r = mForcedMaterial.mDiffuseColor.r;
|
---|
452 | g = mForcedMaterial.mDiffuseColor.g;
|
---|
453 | b = mForcedMaterial.mDiffuseColor.b;
|
---|
454 | }
|
---|
455 | else
|
---|
456 | {
|
---|
457 | r = RandomValue(0.5, 1.0);
|
---|
458 | g = RandomValue(0.5, 1.0);
|
---|
459 | b = RandomValue(0.5, 1.0);
|
---|
460 | }
|
---|
461 |
|
---|
462 | stream << "material Material {" << endl;
|
---|
463 | stream << "diffuseColor " << r << " " << g << " " << b << endl;
|
---|
464 | stream << "specularColor 0.0 0.0 0.0" << endl;
|
---|
465 |
|
---|
466 | stream << "}" << endl; // end material
|
---|
467 | stream << "}" << endl; // end apperance
|
---|
468 |
|
---|
469 | // wireframe modes => set indexed lines
|
---|
470 | if (mWireframe)
|
---|
471 | {
|
---|
472 | stream << "geometry IndexedLineSet {" << endl;
|
---|
473 | }
|
---|
474 | else
|
---|
475 | {
|
---|
476 | //stream<<"<IndexedFaceSet ccw=\"TRUE\" coordIndex=\""<<endl;
|
---|
477 | stream << "geometry IndexedFaceSet {" << endl;
|
---|
478 | }
|
---|
479 |
|
---|
480 | stream << "coordIndex [" << endl;
|
---|
481 |
|
---|
482 | int index = 0;
|
---|
483 |
|
---|
484 | PolygonContainer::const_iterator pit;
|
---|
485 |
|
---|
486 | VertexContainer::const_iterator vi;
|
---|
487 |
|
---|
488 | for (pit = polys.begin(); pit != polys.end(); ++ pit)
|
---|
489 | {
|
---|
490 | Polygon3 *poly = *pit;
|
---|
491 | int startIdx = index;
|
---|
492 |
|
---|
493 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
494 | {
|
---|
495 | stream << index ++ << " ";
|
---|
496 | }
|
---|
497 |
|
---|
498 | stream << startIdx << " ";// finish line
|
---|
499 | stream << "-1" << endl;
|
---|
500 | }
|
---|
501 |
|
---|
502 | stream << "]" << endl; // end coordIndex
|
---|
503 |
|
---|
504 | stream << "coord Coordinate {" << endl;
|
---|
505 | stream << "point [" << endl;
|
---|
506 |
|
---|
507 |
|
---|
508 | for (pit = polys.begin(); pit != polys.end(); ++ pit)
|
---|
509 | {
|
---|
510 | Polygon3 *poly = *pit;
|
---|
511 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
512 | {
|
---|
513 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
|
---|
514 | stream << "," << endl;
|
---|
515 | }
|
---|
516 | }
|
---|
517 |
|
---|
518 | stream << "]" << endl; // end point
|
---|
519 | stream << "}" << endl; // end coord
|
---|
520 | stream << "}" << endl; // end geometry
|
---|
521 |
|
---|
522 | stream << "}" << endl; // end shape
|
---|
523 | }
|
---|
524 |
|
---|
525 |
|
---|
526 | bool VrmlExporter::ExportBox(const AxisAlignedBox3 &box)
|
---|
527 | {
|
---|
528 | Mesh *mesh = new Mesh;
|
---|
529 |
|
---|
530 | // add 8 vertices of the box
|
---|
531 | int index = (int)mesh->mVertices.size();
|
---|
532 |
|
---|
533 | for (int i=0; i < 8; i++)
|
---|
534 | {
|
---|
535 | Vector3 v;
|
---|
536 | box.GetVertex(i, v);
|
---|
537 | mesh->mVertices.push_back(v);
|
---|
538 | }
|
---|
539 |
|
---|
540 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
541 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
542 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
543 |
|
---|
544 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
545 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
546 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
547 |
|
---|
548 | ExportMesh(mesh);
|
---|
549 |
|
---|
550 | delete mesh;
|
---|
551 |
|
---|
552 | return true;
|
---|
553 | }
|
---|
554 |
|
---|
555 | bool VrmlExporter::ExportBspTree(const BspTree &tree)
|
---|
556 | {
|
---|
557 | if (mExportRayDensity)
|
---|
558 | {
|
---|
559 | return ExportBspTreeRayDensity(tree);
|
---|
560 | }
|
---|
561 |
|
---|
562 | bool savedWireframe = mWireframe;
|
---|
563 |
|
---|
564 | SetWireframe();
|
---|
565 |
|
---|
566 | ExportBox(tree.GetBoundingBox());
|
---|
567 |
|
---|
568 | if (!savedWireframe)
|
---|
569 | SetFilled();
|
---|
570 |
|
---|
571 | // export view cells
|
---|
572 | ExportBspLeaves(tree);
|
---|
573 |
|
---|
574 | return true;
|
---|
575 | }
|
---|
576 |
|
---|
577 |
|
---|
578 | bool VrmlExporter::ExportVspKdTree(const VspKdTree &tree,
|
---|
579 | const int maxPvs)
|
---|
580 | {
|
---|
581 | stack<VspKdNode *> tStack;
|
---|
582 |
|
---|
583 | tStack.push(tree.GetRoot());
|
---|
584 |
|
---|
585 | //Mesh *mesh = new Mesh;
|
---|
586 |
|
---|
587 | if (maxPvs > 0)
|
---|
588 | mUseForcedMaterial = true;
|
---|
589 |
|
---|
590 | while (!tStack.empty())
|
---|
591 | {
|
---|
592 | VspKdNode *node = tStack.top();
|
---|
593 |
|
---|
594 | tStack.pop();
|
---|
595 |
|
---|
596 | if (node->IsLeaf())
|
---|
597 | {
|
---|
598 | AxisAlignedBox3 box = tree.GetBBox(node);
|
---|
599 |
|
---|
600 | Mesh *mesh = new Mesh;
|
---|
601 |
|
---|
602 | // add 6 vertices of the box
|
---|
603 | int index = (int)mesh->mVertices.size();
|
---|
604 |
|
---|
605 | for (int i=0; i < 8; ++ i)
|
---|
606 | {
|
---|
607 | Vector3 v;
|
---|
608 | box.GetVertex(i, v);
|
---|
609 | mesh->mVertices.push_back(v);
|
---|
610 | }
|
---|
611 |
|
---|
612 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
613 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
614 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
615 |
|
---|
616 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
617 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
618 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
619 |
|
---|
620 | if (maxPvs > 0)
|
---|
621 | {
|
---|
622 | VspKdLeaf *leaf = dynamic_cast<VspKdLeaf *>(node);
|
---|
623 |
|
---|
624 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
625 |
|
---|
626 | leaf->UpdatePvsSize();
|
---|
627 |
|
---|
628 | const float importance = (float)leaf->GetPvsSize() / (float)maxPvs;
|
---|
629 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
630 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
631 | }
|
---|
632 |
|
---|
633 | ExportMesh(mesh);
|
---|
634 | DEL_PTR(mesh);
|
---|
635 | }
|
---|
636 | else
|
---|
637 | {
|
---|
638 | VspKdInterior *interior = dynamic_cast<VspKdInterior *>(node);
|
---|
639 | tStack.push(interior->GetFront());
|
---|
640 | tStack.push(interior->GetBack());
|
---|
641 | }
|
---|
642 | }
|
---|
643 |
|
---|
644 | //ExportMesh(mesh);
|
---|
645 | //DEL_PTR(mesh);
|
---|
646 |
|
---|
647 | return true;
|
---|
648 | }
|
---|
649 |
|
---|
650 |
|
---|
651 | bool VrmlExporter::ExportKdTree(const KdTree &tree)
|
---|
652 | {
|
---|
653 | if (mExportRayDensity)
|
---|
654 | {
|
---|
655 | return ExportKdTreeRayDensity(tree);
|
---|
656 | }
|
---|
657 |
|
---|
658 | stack<KdNode *> tStack;
|
---|
659 |
|
---|
660 | tStack.push(tree.GetRoot());
|
---|
661 |
|
---|
662 | Mesh *mesh = new Mesh;
|
---|
663 |
|
---|
664 | while (!tStack.empty())
|
---|
665 | {
|
---|
666 | KdNode *node = tStack.top();
|
---|
667 |
|
---|
668 | tStack.pop();
|
---|
669 |
|
---|
670 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
671 | // add 6 vertices of the box
|
---|
672 | int index = (int)mesh->mVertices.size();
|
---|
673 |
|
---|
674 | for (int i=0; i < 8; i++)
|
---|
675 | {
|
---|
676 | Vector3 v;
|
---|
677 | box.GetVertex(i, v);
|
---|
678 | mesh->mVertices.push_back(v);
|
---|
679 | }
|
---|
680 |
|
---|
681 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
682 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
683 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
684 |
|
---|
685 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
686 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
687 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
688 |
|
---|
689 | if (!node->IsLeaf())
|
---|
690 | {
|
---|
691 | KdInterior *interior = (KdInterior *)node;
|
---|
692 | tStack.push(interior->mFront);
|
---|
693 | tStack.push(interior->mBack);
|
---|
694 | }
|
---|
695 | }
|
---|
696 |
|
---|
697 | ExportMesh(mesh);
|
---|
698 |
|
---|
699 | delete mesh;
|
---|
700 | return true;
|
---|
701 | }
|
---|
702 |
|
---|
703 | bool VrmlExporter::ExportVssTree(const VssTree &tree)
|
---|
704 | {
|
---|
705 | stack<VssTreeNode *> tStack;
|
---|
706 |
|
---|
707 | tStack.push(tree.GetRoot());
|
---|
708 |
|
---|
709 | Mesh *mesh = new Mesh;
|
---|
710 | VssRayContainer rays;
|
---|
711 |
|
---|
712 | while (!tStack.empty())
|
---|
713 | {
|
---|
714 | VssTreeNode *node = tStack.top();
|
---|
715 |
|
---|
716 | tStack.pop();
|
---|
717 |
|
---|
718 | if (!node->IsLeaf())
|
---|
719 | {
|
---|
720 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
721 |
|
---|
722 | tStack.push(interior->front);
|
---|
723 | tStack.push(interior->back);
|
---|
724 | }
|
---|
725 | else
|
---|
726 | {
|
---|
727 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
728 | AxisAlignedBox3 box;
|
---|
729 | box = tree.GetBBox(leaf);
|
---|
730 | box.AddBoxToMesh(mesh);
|
---|
731 |
|
---|
732 | if (tree.ValidLeaf(leaf))
|
---|
733 | {
|
---|
734 | Vector3 origin = box.Center();
|
---|
735 | box = tree.GetDirBBox(leaf);
|
---|
736 | VssRay *ray;
|
---|
737 |
|
---|
738 | const indices[][2] = {{0,0}, {0,1}, {1,1}, {1,0}};
|
---|
739 | MeshInstance dummy(mesh);
|
---|
740 | for (int i=0; i < 4; i++)
|
---|
741 | {
|
---|
742 | // Vector3 v = box.GetVertex(indices[i][0], indices[i][1], 0);
|
---|
743 | Vector3 v = box.Center();
|
---|
744 |
|
---|
745 | Vector3 direction = VssRay::GetDirection(v.x, v.y);
|
---|
746 | if (Magnitude(direction) > Limits::Small)
|
---|
747 | {
|
---|
748 | direction.Normalize();
|
---|
749 | }
|
---|
750 | else
|
---|
751 | {
|
---|
752 | direction = Vector3(0, 1, 0);
|
---|
753 | }
|
---|
754 |
|
---|
755 | const float k = 100.0f * leaf->GetImportance();
|
---|
756 |
|
---|
757 |
|
---|
758 | // get 4 corners of the ray directions
|
---|
759 | ray = new VssRay(origin, origin + (direction * k), NULL, &dummy);
|
---|
760 | rays.push_back(ray);
|
---|
761 | }
|
---|
762 | }
|
---|
763 | }
|
---|
764 | }
|
---|
765 |
|
---|
766 | ExportMesh(mesh);
|
---|
767 | ExportRays(rays);
|
---|
768 | CLEAR_CONTAINER(rays);
|
---|
769 |
|
---|
770 | delete mesh;
|
---|
771 | return true;
|
---|
772 | }
|
---|
773 |
|
---|
774 |
|
---|
775 | bool VrmlExporter::ExportVssTree2(const VssTree &tree,
|
---|
776 | const Vector3 direction)
|
---|
777 | {
|
---|
778 | stack<VssTreeNode *> tStack;
|
---|
779 |
|
---|
780 | mUseForcedMaterial = true;
|
---|
781 |
|
---|
782 | Vector3 dirParam;
|
---|
783 |
|
---|
784 | dirParam.x = VssRay::GetDirParam(0, Normalize(direction));
|
---|
785 | dirParam.y = VssRay::GetDirParam(1, Normalize(direction));
|
---|
786 |
|
---|
787 | float maxImportance = 0.0f;
|
---|
788 |
|
---|
789 | tStack.push(tree.GetRoot());
|
---|
790 |
|
---|
791 | while (!tStack.empty())
|
---|
792 | {
|
---|
793 | VssTreeNode *node = tStack.top();
|
---|
794 | tStack.pop();
|
---|
795 |
|
---|
796 | if (!node->IsLeaf())
|
---|
797 | {
|
---|
798 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
799 |
|
---|
800 | if (interior->axis < 3)
|
---|
801 | {
|
---|
802 | tStack.push(interior->front);
|
---|
803 | tStack.push(interior->back);
|
---|
804 | }
|
---|
805 | else
|
---|
806 | {
|
---|
807 | if (dirParam[interior->axis-3] < interior->position)
|
---|
808 | tStack.push(interior->back);
|
---|
809 | else
|
---|
810 | tStack.push(interior->front);
|
---|
811 | }
|
---|
812 | }
|
---|
813 | else
|
---|
814 | {
|
---|
815 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
816 |
|
---|
817 | if (tree.ValidLeaf(leaf))
|
---|
818 | {
|
---|
819 | float i = leaf->GetImportance();
|
---|
820 |
|
---|
821 | if (i > maxImportance)
|
---|
822 | maxImportance = i;
|
---|
823 | }
|
---|
824 | }
|
---|
825 | }
|
---|
826 |
|
---|
827 | tStack.push(tree.GetRoot());
|
---|
828 |
|
---|
829 | while (!tStack.empty())
|
---|
830 | {
|
---|
831 | VssTreeNode *node = tStack.top();
|
---|
832 | tStack.pop();
|
---|
833 |
|
---|
834 | if (!node->IsLeaf())
|
---|
835 | {
|
---|
836 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
837 |
|
---|
838 | if (interior->axis < 3)
|
---|
839 | {
|
---|
840 | tStack.push(interior->front);
|
---|
841 | tStack.push(interior->back);
|
---|
842 | }
|
---|
843 | else
|
---|
844 | {
|
---|
845 | if (dirParam[interior->axis-3] < interior->position)
|
---|
846 | tStack.push(interior->back);
|
---|
847 | else
|
---|
848 | tStack.push(interior->front);
|
---|
849 | }
|
---|
850 | }
|
---|
851 | else
|
---|
852 | {
|
---|
853 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
854 |
|
---|
855 | if (tree.ValidLeaf(leaf))
|
---|
856 | {
|
---|
857 | AxisAlignedBox3 box;
|
---|
858 | box = tree.GetBBox(leaf);
|
---|
859 | Mesh *mesh = new Mesh;
|
---|
860 | box.AddBoxToMesh(mesh);
|
---|
861 |
|
---|
862 | // get 4 corners of the ray directions
|
---|
863 |
|
---|
864 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
865 | mForcedMaterial.mDiffuseColor.r = leaf->GetImportance()/maxImportance;
|
---|
866 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
867 |
|
---|
868 | ExportMesh(mesh);
|
---|
869 | delete mesh;
|
---|
870 | }
|
---|
871 | }
|
---|
872 | }
|
---|
873 |
|
---|
874 | mUseForcedMaterial = false;
|
---|
875 |
|
---|
876 | return true;
|
---|
877 | }
|
---|
878 |
|
---|
879 |
|
---|
880 | bool VrmlExporter::ExportBspTreeRayDensity(const BspTree &tree)
|
---|
881 | {
|
---|
882 | stack<BspNode *> tStack;
|
---|
883 |
|
---|
884 | tStack.push(tree.GetRoot());
|
---|
885 |
|
---|
886 | bool fm = mUseForcedMaterial;
|
---|
887 |
|
---|
888 | mUseForcedMaterial = true;
|
---|
889 |
|
---|
890 | mForcedMaterial.mDiffuseColor.g = 1.0f;
|
---|
891 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
892 |
|
---|
893 | while (!tStack.empty())
|
---|
894 | {
|
---|
895 | BspNode *node = tStack.top();
|
---|
896 | tStack.pop();
|
---|
897 |
|
---|
898 | if (node->IsLeaf())
|
---|
899 | {
|
---|
900 | ViewCell *vc = dynamic_cast<BspLeaf *>(node)->GetViewCell();
|
---|
901 | #if 0
|
---|
902 | // set the mesh material according to the ray density
|
---|
903 | if (vc->mPassingRays.mRays)
|
---|
904 | {
|
---|
905 | float importance =
|
---|
906 | vc->mPassingRays.mContributions / (float)vc->mPassingRays.mRays;
|
---|
907 |
|
---|
908 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
909 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
910 | ExportViewCell(vc);
|
---|
911 |
|
---|
912 | }
|
---|
913 | #endif
|
---|
914 | }
|
---|
915 | else
|
---|
916 | {
|
---|
917 | BspInterior *interior = (BspInterior *)node;
|
---|
918 | tStack.push(interior->GetFront());
|
---|
919 | tStack.push(interior->GetBack());
|
---|
920 | }
|
---|
921 | }
|
---|
922 |
|
---|
923 | // restore the state of forced material
|
---|
924 | mUseForcedMaterial = fm;
|
---|
925 |
|
---|
926 | return true;
|
---|
927 | }
|
---|
928 |
|
---|
929 |
|
---|
930 | bool VrmlExporter::ExportKdTreeRayDensity(const KdTree &tree)
|
---|
931 | {
|
---|
932 | stack<KdNode *> tStack;
|
---|
933 |
|
---|
934 | tStack.push(tree.GetRoot());
|
---|
935 |
|
---|
936 | bool fm = mUseForcedMaterial;
|
---|
937 |
|
---|
938 | mUseForcedMaterial = true;
|
---|
939 |
|
---|
940 | mForcedMaterial.mDiffuseColor.g = 1.0f;
|
---|
941 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
942 |
|
---|
943 |
|
---|
944 | while (!tStack.empty())
|
---|
945 | {
|
---|
946 | KdNode *node = tStack.top();
|
---|
947 | tStack.pop();
|
---|
948 |
|
---|
949 | if (node->IsLeaf())
|
---|
950 | {
|
---|
951 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
952 | Mesh *mesh = new Mesh;
|
---|
953 |
|
---|
954 | // add 6 vertices of the box
|
---|
955 | int index = (int)mesh->mVertices.size();
|
---|
956 | for (int i=0; i < 8; i++)
|
---|
957 | {
|
---|
958 | Vector3 v;
|
---|
959 | box.GetVertex(i, v);
|
---|
960 | mesh->mVertices.push_back(v);
|
---|
961 | }
|
---|
962 |
|
---|
963 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
964 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
965 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
966 |
|
---|
967 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
968 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
969 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
970 |
|
---|
971 | // set the mesh material according to the ray density
|
---|
972 | KdLeaf *leaf = (KdLeaf *) node;
|
---|
973 |
|
---|
974 | if (leaf->mPassingRays.mRays)
|
---|
975 | {
|
---|
976 | const float importance =
|
---|
977 | leaf->mPassingRays.mContributions/(float)leaf->mPassingRays.mRays;
|
---|
978 | // float importance = leaf->mPassingRays.mContributions/1000.0f;
|
---|
979 | // float importance = leaf->mPassingRays.mRays/1000.0f;
|
---|
980 | ///(float)leaf->mPassingRays.mRays;
|
---|
981 | // mForcedMaterial.mDiffuseColor.r = log10(leaf->mPassingRays.mRays)/3.0f;
|
---|
982 |
|
---|
983 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
984 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
985 |
|
---|
986 | ExportMesh(mesh);
|
---|
987 | }
|
---|
988 |
|
---|
989 | delete mesh;
|
---|
990 | }
|
---|
991 | else
|
---|
992 | {
|
---|
993 | KdInterior *interior = (KdInterior *)node;
|
---|
994 | tStack.push(interior->mFront);
|
---|
995 | tStack.push(interior->mBack);
|
---|
996 | }
|
---|
997 | }
|
---|
998 |
|
---|
999 | // restore the state of forced material
|
---|
1000 | mUseForcedMaterial = fm;
|
---|
1001 |
|
---|
1002 | return true;
|
---|
1003 | }
|
---|
1004 |
|
---|
1005 |
|
---|
1006 | struct BspSplitData
|
---|
1007 | {
|
---|
1008 | /// the current node
|
---|
1009 | BspNode *mNode;
|
---|
1010 |
|
---|
1011 | vector<Plane3> mPlanes;
|
---|
1012 | vector<bool> mSides;
|
---|
1013 | bool mIsFront;
|
---|
1014 | int mDepth;
|
---|
1015 |
|
---|
1016 | BspSplitData(BspNode *node):
|
---|
1017 | mNode(node), mIsFront(false), mDepth(0)
|
---|
1018 | {};
|
---|
1019 |
|
---|
1020 | BspSplitData(BspNode *node,
|
---|
1021 | vector<Plane3> planes,
|
---|
1022 | vector<bool> sides,
|
---|
1023 | const bool isFront,
|
---|
1024 | const int depth):
|
---|
1025 | mNode(node), mPlanes(planes), mSides(sides),
|
---|
1026 | mIsFront(isFront), mDepth(depth)
|
---|
1027 | {};
|
---|
1028 | };
|
---|
1029 |
|
---|
1030 |
|
---|
1031 | void VrmlExporter::ExportLeavesGeometry(const BspTree &tree,
|
---|
1032 | const vector<BspLeaf *> &leaves)
|
---|
1033 | {
|
---|
1034 | vector<BspLeaf *>::const_iterator it, it_end = leaves.end();
|
---|
1035 |
|
---|
1036 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
1037 | {
|
---|
1038 | BspNodeGeometry geom;
|
---|
1039 | tree.ConstructGeometry(*it, geom);
|
---|
1040 |
|
---|
1041 | ExportPolygons(geom.GetPolys());
|
---|
1042 | }
|
---|
1043 | }
|
---|
1044 |
|
---|
1045 |
|
---|
1046 | void VrmlExporter::ExportBspNodeSplits(BspNode *root,
|
---|
1047 | const AxisAlignedBox3 &box,
|
---|
1048 | const bool exportDepth,
|
---|
1049 | const bool epsilon)
|
---|
1050 | {
|
---|
1051 | std::stack<BspSplitData> tStack;
|
---|
1052 |
|
---|
1053 | BspSplitData tData(root);
|
---|
1054 | tStack.push(tData);
|
---|
1055 |
|
---|
1056 | PolygonContainer polys;
|
---|
1057 | vector <int> depths;
|
---|
1058 |
|
---|
1059 | int maxDepth = 0;
|
---|
1060 |
|
---|
1061 | while (!tStack.empty())
|
---|
1062 | {
|
---|
1063 | // filter polygons donw the tree
|
---|
1064 | BspSplitData tData = tStack.top();
|
---|
1065 | tStack.pop();
|
---|
1066 |
|
---|
1067 | if (tData.mNode->IsLeaf())
|
---|
1068 | {
|
---|
1069 | if (tData.mDepth > maxDepth)
|
---|
1070 | maxDepth = tData.mDepth;
|
---|
1071 | }
|
---|
1072 | else
|
---|
1073 | {
|
---|
1074 | BspInterior *interior = dynamic_cast<BspInterior *>(tData.mNode);
|
---|
1075 |
|
---|
1076 | // add current side of split plane
|
---|
1077 | if (tData.mNode != root)
|
---|
1078 | tData.mSides.push_back(tData.mIsFront);
|
---|
1079 |
|
---|
1080 | // bounded plane is added to the polygons
|
---|
1081 | Polygon3 *planePoly =
|
---|
1082 | box.CrossSection(interior->GetPlane());
|
---|
1083 |
|
---|
1084 | // do all the splits with the previous planes
|
---|
1085 | for (int i = 0; i < (int)tData.mPlanes.size(); ++ i)
|
---|
1086 | {
|
---|
1087 | if (planePoly->ClassifyPlane(tData.mPlanes[i], epsilon)
|
---|
1088 | == Polygon3::SPLIT)
|
---|
1089 | {
|
---|
1090 | Polygon3 *frontPoly = new Polygon3();
|
---|
1091 | Polygon3 *backPoly = new Polygon3();
|
---|
1092 |
|
---|
1093 | planePoly->Split(tData.mPlanes[i],
|
---|
1094 | *frontPoly,
|
---|
1095 | *backPoly,
|
---|
1096 | epsilon);
|
---|
1097 |
|
---|
1098 | DEL_PTR(planePoly);
|
---|
1099 |
|
---|
1100 | if(tData.mSides[i] == true)
|
---|
1101 | {
|
---|
1102 | planePoly = frontPoly;
|
---|
1103 | DEL_PTR(backPoly);
|
---|
1104 | }
|
---|
1105 | else
|
---|
1106 | {
|
---|
1107 | planePoly = backPoly;
|
---|
1108 | DEL_PTR(frontPoly);
|
---|
1109 | }
|
---|
1110 | }
|
---|
1111 | }
|
---|
1112 |
|
---|
1113 | tData.mPlanes.push_back(interior->GetPlane()); // add plane to split planes
|
---|
1114 |
|
---|
1115 | if (planePoly->Valid(epsilon))
|
---|
1116 | {
|
---|
1117 | polys.push_back(planePoly);
|
---|
1118 | depths.push_back(tData.mDepth);
|
---|
1119 | }
|
---|
1120 | else
|
---|
1121 | DEL_PTR(planePoly);
|
---|
1122 |
|
---|
1123 | // push the children on the stack
|
---|
1124 | tStack.push(BspSplitData(interior->GetFront(), tData.mPlanes,
|
---|
1125 | tData.mSides, true, tData.mDepth + 1));
|
---|
1126 | tStack.push(BspSplitData(interior->GetBack(), tData.mPlanes,
|
---|
1127 | tData.mSides, false, tData.mDepth + 1));
|
---|
1128 | }
|
---|
1129 | }
|
---|
1130 |
|
---|
1131 | if (maxDepth > 0)
|
---|
1132 | {
|
---|
1133 | mUseForcedMaterial = true;
|
---|
1134 |
|
---|
1135 | for (int i = 0; i < (int)polys.size(); ++ i)
|
---|
1136 | {
|
---|
1137 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
1138 | float importance = (float)depths[i]/ (float)maxDepth;
|
---|
1139 |
|
---|
1140 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
1141 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
1142 |
|
---|
1143 | ExportPolygon(polys[i]);
|
---|
1144 | }
|
---|
1145 | }
|
---|
1146 | else
|
---|
1147 | {
|
---|
1148 | ExportPolygons(polys);
|
---|
1149 | }
|
---|
1150 |
|
---|
1151 | CLEAR_CONTAINER(polys);
|
---|
1152 | }
|
---|
1153 |
|
---|
1154 |
|
---|
1155 | void VrmlExporter::ExportBspSplits(const BspTree &tree,
|
---|
1156 | const bool exportDepth)
|
---|
1157 | {
|
---|
1158 | ExportBspNodeSplits(tree.GetRoot(),
|
---|
1159 | tree.GetBoundingBox(),
|
---|
1160 | exportDepth,
|
---|
1161 | tree.GetEpsilon());
|
---|
1162 | }
|
---|
1163 |
|
---|
1164 |
|
---|
1165 | void VrmlExporter::ExportBspSplits(const VspBspTree &tree,
|
---|
1166 | const bool exportDepth)
|
---|
1167 | {
|
---|
1168 | ExportBspNodeSplits(tree.GetRoot(),
|
---|
1169 | tree.GetBoundingBox(),
|
---|
1170 | exportDepth,
|
---|
1171 | tree.GetEpsilon());
|
---|
1172 | }
|
---|
1173 |
|
---|
1174 |
|
---|
1175 | void VrmlExporter::ExportBspSplitPlanes(const BspTree &tree)
|
---|
1176 | {
|
---|
1177 | std::stack<BspNode *> tStack;
|
---|
1178 |
|
---|
1179 | tStack.push(tree.GetRoot());
|
---|
1180 |
|
---|
1181 | PolygonContainer polys;
|
---|
1182 |
|
---|
1183 | while (!tStack.empty())
|
---|
1184 | {
|
---|
1185 | // filter polygons donw the tree
|
---|
1186 | BspNode *node = tStack.top();
|
---|
1187 | tStack.pop();
|
---|
1188 |
|
---|
1189 | if (!node->IsLeaf())
|
---|
1190 | {
|
---|
1191 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
|
---|
1192 |
|
---|
1193 | // bounded plane is added to the polygons
|
---|
1194 | polys.push_back(tree.GetBoundingBox().CrossSection(interior->GetPlane()));
|
---|
1195 |
|
---|
1196 | // push the children on the stack
|
---|
1197 | tStack.push(interior->GetBack());
|
---|
1198 | tStack.push(interior->GetFront());
|
---|
1199 | }
|
---|
1200 | }
|
---|
1201 |
|
---|
1202 | ExportPolygons(polys);
|
---|
1203 | CLEAR_CONTAINER(polys);
|
---|
1204 | }
|
---|
1205 |
|
---|
1206 |
|
---|
1207 | void VrmlExporter::ExportGeometry(const ObjectContainer &objects)
|
---|
1208 | {
|
---|
1209 | ObjectContainer::const_iterator oit, oit_end = objects.end();
|
---|
1210 |
|
---|
1211 | if (1)
|
---|
1212 | {
|
---|
1213 | for (oit = objects.begin(); oit != oit_end; ++ oit)
|
---|
1214 | {
|
---|
1215 | if (1)
|
---|
1216 | {
|
---|
1217 | mUseForcedMaterial = true;
|
---|
1218 | SetForcedMaterial(RandomMaterial());
|
---|
1219 | }
|
---|
1220 |
|
---|
1221 | ExportIntersectable(*oit);
|
---|
1222 | }
|
---|
1223 |
|
---|
1224 | return;
|
---|
1225 | }
|
---|
1226 |
|
---|
1227 | // hack: all object exported as one mesh
|
---|
1228 | PolygonContainer polys;
|
---|
1229 |
|
---|
1230 | for (oit = objects.begin(); oit != oit_end; ++ oit)
|
---|
1231 | {
|
---|
1232 | polys.push_back(new Polygon3(dynamic_cast<MeshInstance *>(*oit)->GetMesh()->mVertices));
|
---|
1233 | }
|
---|
1234 |
|
---|
1235 | Mesh dummyMesh;
|
---|
1236 | PolygonContainer::const_iterator pit, pit_end = polys.end();
|
---|
1237 |
|
---|
1238 | for (pit = polys.begin(); pit != pit_end; ++ pit)
|
---|
1239 | {
|
---|
1240 | (*pit)->AddToMesh(dummyMesh);
|
---|
1241 | }
|
---|
1242 |
|
---|
1243 | ExportMesh(&dummyMesh);
|
---|
1244 |
|
---|
1245 | CLEAR_CONTAINER(polys);
|
---|
1246 | }
|
---|
1247 |
|
---|
1248 |
|
---|
1249 |
|
---|
1250 | bool VrmlExporter::ExportRssTree2(const RssTree &tree,
|
---|
1251 | const Vector3 direction)
|
---|
1252 | {
|
---|
1253 | stack<RssTreeNode *> tStack;
|
---|
1254 |
|
---|
1255 |
|
---|
1256 | mUseForcedMaterial = true;
|
---|
1257 |
|
---|
1258 | Vector3 dirParam;
|
---|
1259 |
|
---|
1260 | dirParam.x = VssRay::GetDirParam(0, Normalize(direction));
|
---|
1261 | dirParam.y = VssRay::GetDirParam(1, Normalize(direction));
|
---|
1262 |
|
---|
1263 | float maxImportance = 0.0f;
|
---|
1264 | tStack.push(tree.GetRoot());
|
---|
1265 | while (!tStack.empty()) {
|
---|
1266 |
|
---|
1267 | RssTreeNode *node = tStack.top();
|
---|
1268 | tStack.pop();
|
---|
1269 |
|
---|
1270 | if (!node->IsLeaf()) {
|
---|
1271 | RssTreeInterior *interior = (RssTreeInterior *)node;
|
---|
1272 | if (interior->axis < 3) {
|
---|
1273 | tStack.push(interior->front);
|
---|
1274 | tStack.push(interior->back);
|
---|
1275 | } else {
|
---|
1276 | if (dirParam[interior->axis-3] < interior->position)
|
---|
1277 | tStack.push(interior->back);
|
---|
1278 | else
|
---|
1279 | tStack.push(interior->front);
|
---|
1280 | }
|
---|
1281 | } else {
|
---|
1282 | RssTreeLeaf *leaf = (RssTreeLeaf *)node;
|
---|
1283 | if (tree.ValidLeaf(leaf)) {
|
---|
1284 | float i = leaf->GetImportance();
|
---|
1285 | if (i > maxImportance)
|
---|
1286 | maxImportance = i;
|
---|
1287 | }
|
---|
1288 | }
|
---|
1289 | }
|
---|
1290 |
|
---|
1291 | tStack.push(tree.GetRoot());
|
---|
1292 | while (!tStack.empty()) {
|
---|
1293 |
|
---|
1294 | RssTreeNode *node = tStack.top();
|
---|
1295 | tStack.pop();
|
---|
1296 |
|
---|
1297 |
|
---|
1298 | if (!node->IsLeaf()) {
|
---|
1299 | RssTreeInterior *interior = (RssTreeInterior *)node;
|
---|
1300 | if (interior->axis < 3) {
|
---|
1301 | tStack.push(interior->front);
|
---|
1302 | tStack.push(interior->back);
|
---|
1303 | } else {
|
---|
1304 | if (dirParam[interior->axis-3] < interior->position)
|
---|
1305 | tStack.push(interior->back);
|
---|
1306 | else
|
---|
1307 | tStack.push(interior->front);
|
---|
1308 | }
|
---|
1309 | } else {
|
---|
1310 | RssTreeLeaf *leaf = (RssTreeLeaf *)node;
|
---|
1311 | if (tree.ValidLeaf(leaf)) {
|
---|
1312 | AxisAlignedBox3 box;
|
---|
1313 | box = tree.GetShrankedBBox(leaf);
|
---|
1314 | Mesh *mesh = new Mesh;
|
---|
1315 | box.AddBoxToMesh(mesh);
|
---|
1316 |
|
---|
1317 | // get 4 corners of the ray directions
|
---|
1318 |
|
---|
1319 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
1320 | mForcedMaterial.mDiffuseColor.r = leaf->GetImportance()/maxImportance;
|
---|
1321 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
1322 |
|
---|
1323 | ExportMesh(mesh);
|
---|
1324 | delete mesh;
|
---|
1325 | }
|
---|
1326 | }
|
---|
1327 | }
|
---|
1328 |
|
---|
1329 | mUseForcedMaterial = false;
|
---|
1330 |
|
---|
1331 | return true;
|
---|
1332 | }
|
---|
1333 |
|
---|
1334 |
|
---|
1335 | void
|
---|
1336 | VrmlExporter::ExportViewpoint(const Vector3 &point,
|
---|
1337 | const Vector3 &direction)
|
---|
1338 | {
|
---|
1339 | stream << "Viewpoint {" << endl;
|
---|
1340 |
|
---|
1341 | stream << "position " << point.x << " " << point.y << " " << point.z << endl;
|
---|
1342 | // stream<<"orientation "<<direction.x<<direction.y<<direction.z<<endl;
|
---|
1343 |
|
---|
1344 | stream << "}" << endl; // end view point;
|
---|
1345 |
|
---|
1346 | }
|
---|
1347 |
|
---|
1348 |
|
---|
1349 |
|
---|
1350 | void VrmlExporter::ExportBeam(const Beam &beam, const AxisAlignedBox3 &box)
|
---|
1351 | {
|
---|
1352 | if (beam.mMesh)
|
---|
1353 | {
|
---|
1354 | ExportMesh(beam.mMesh);
|
---|
1355 | return;
|
---|
1356 | }
|
---|
1357 |
|
---|
1358 | PolygonContainer polys;
|
---|
1359 | //ExportBox(beam.mBox);
|
---|
1360 |
|
---|
1361 | const float zfar = 2.0f * Magnitude(box.Diagonal());
|
---|
1362 |
|
---|
1363 | // box should not never remove part of beam polygons
|
---|
1364 | Vector3 bmin = beam.mBox.Min() - Vector3(zfar * 2.0f);
|
---|
1365 | Vector3 bmax = beam.mBox.Max() + Vector3(zfar * 2.0f);
|
---|
1366 |
|
---|
1367 | AxisAlignedBox3 bbox(bmin, bmax);
|
---|
1368 | Plane3 fplane;
|
---|
1369 | fplane.mNormal = -beam.mPlanes[0].mNormal;
|
---|
1370 |
|
---|
1371 | fplane.mD = beam.mPlanes[0].mD - zfar - 1.0f;
|
---|
1372 |
|
---|
1373 | vector<Plane3> planes = beam.mPlanes;
|
---|
1374 | planes.push_back(fplane);
|
---|
1375 |
|
---|
1376 | for (int i = 0; i < planes.size(); ++ i)
|
---|
1377 | {
|
---|
1378 | Polygon3 *poly = bbox.CrossSection(planes[i]);
|
---|
1379 | if (!poly->Valid(Limits::Small))
|
---|
1380 | DEL_PTR(poly);
|
---|
1381 |
|
---|
1382 | for (int j = 0; (j < planes.size()) && poly; ++ j)
|
---|
1383 | {
|
---|
1384 | if (j != i)
|
---|
1385 | {
|
---|
1386 | Polygon3 *front = new Polygon3();
|
---|
1387 | Polygon3 *back = new Polygon3();
|
---|
1388 |
|
---|
1389 | poly->Split(planes[j], *front, *back, Limits::Small);
|
---|
1390 | DEL_PTR(poly);
|
---|
1391 | DEL_PTR(front);
|
---|
1392 |
|
---|
1393 | if (!back->Valid(Limits::Small))
|
---|
1394 | DEL_PTR(back);
|
---|
1395 | poly = back;
|
---|
1396 | }
|
---|
1397 | }
|
---|
1398 | if (poly)
|
---|
1399 | polys.push_back(poly);
|
---|
1400 | }
|
---|
1401 |
|
---|
1402 | ExportPolygons(polys);
|
---|
1403 | CLEAR_CONTAINER(polys);
|
---|
1404 | } |
---|