PluginFunctions.cc 18.4 KB
Newer Older
Jan Möbius's avatar
 
Jan Möbius committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
//=============================================================================
//
//                               OpenFlipper
//        Copyright (C) 2008 by Computer Graphics Group, RWTH Aachen
//                           www.openflipper.org
//
//-----------------------------------------------------------------------------
//
//                                License
//
//  OpenFlipper is free software: you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
// 
//  OpenFlipper is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU Lesser General Public License for more details.
// 
//  You should have received a copy of the GNU Lesser General Public License
//  along with OpenFlipper.  If not, see <http://www.gnu.org/licenses/>.
//
//-----------------------------------------------------------------------------
//
//   $Revision$
//   $Author$
//   $Date$
//
//=============================================================================




//=============================================================================
//
//  Plugin Functions
//
//=============================================================================

#include <OpenFlipper/common/Types.hh>

#include "PluginFunctions.hh"

namespace PluginFunctions {

 /** \brief DONT USE DIRECTLY!!
  *
  * This Pointer will be used to access the data trees root in the plugin. Never use it directly as
 *  the internal Structure will change. Use the Access functions instead */
static BaseObject* objectRoot_;

/** \brief DONT USE DIRECTLY!!
 *
 * This pointer is internally used to acces the examiner widget in the main apllication
 */
static ACG::QtWidgets::QtExaminerViewer* examiner_widget_;

/** \brief DONT USE DIRECTLY!!
 *
 * This pointer is internally used to access the scenegraphs root node
 */
static SeparatorNode* root_node_;

void setDataRoot( BaseObject* _root ) {
   objectRoot_ = _root;
}

void set_examiner( ACG::QtWidgets::QtExaminerViewer* _examiner_widget ) {
   PluginFunctions::examiner_widget_ = _examiner_widget;
}

void set_rootNode( SeparatorNode* _root_node ) {
   PluginFunctions::root_node_ = _root_node;
}

bool get_source_meshes( std::vector<TriMesh*>& _meshes  ) {
  _meshes.clear();

  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS,DATA_TRIANGLE_MESH) ; o_it != PluginFunctions::objects_end(); ++o_it) {
    if (! o_it->source() )
      continue;
    _meshes.push_back ( dynamic_cast< TriMeshObject* >( *o_it )->mesh() );
  }

  return (_meshes.size() > 0 );
}

bool get_source_meshes( std::vector<PolyMesh*>& _meshes  ) {
  _meshes.clear();

  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS,DATA_POLY_MESH) ; o_it != PluginFunctions::objects_end(); ++o_it) {
    if (! o_it->source() )
      continue;
    _meshes.push_back ( dynamic_cast< PolyMeshObject* >( *o_it )->mesh() );
  }

  return (_meshes.size() > 0 );
}


bool get_target_meshes( std::vector<TriMesh*>& _meshes  ) {
  _meshes.clear();

  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS,DATA_TRIANGLE_MESH) ; o_it != PluginFunctions::objects_end(); ++o_it) {
    if (! o_it->target() )
      continue;
    if ( dynamic_cast< TriMeshObject* >( *o_it )->mesh() )
      _meshes.push_back ( dynamic_cast< TriMeshObject* >( *o_it )->mesh() );
  }

  return (_meshes.size() > 0 );
}

bool get_target_meshes( std::vector<PolyMesh*>& _meshes  ) {
  _meshes.clear();

  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS,DATA_POLY_MESH) ; o_it != PluginFunctions::objects_end(); ++o_it) {
    if (! o_it->target() )
      continue;
    if ( dynamic_cast< PolyMeshObject* >( *o_it )->mesh() )
      _meshes.push_back ( dynamic_cast< PolyMeshObject* >( *o_it )->mesh() );
  }

  return (_meshes.size() > 0 );
}


bool get_picked_object(uint _node_idx , BaseObjectData*& _object) {
  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ; o_it != PluginFunctions::objects_end(); ++o_it) {
    if ( o_it->picked( _node_idx ) ) {
      _object = *o_it;
      return true;
    }
  }
  return false;
}


bool get_source_identifiers( std::vector<int>& _identifiers  ) {
  _identifiers.clear();

  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ; o_it != PluginFunctions::objects_end(); ++o_it) {
    if ( o_it->source() )
      _identifiers.push_back ( o_it->id() );
  }
  return (_identifiers.size() >0 );
}

bool get_target_identifiers( std::vector<int>& _identifiers  ) {
  _identifiers.clear();

  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ; o_it != PluginFunctions::objects_end(); ++o_it) {
    if ( o_it->target() )
      _identifiers.push_back ( o_it->id() );
  }
  return (_identifiers.size() >0 );
}

// ===============================================================================
// Get objects
// ===============================================================================

bool get_object(  int _identifier , BaseObject*& _object ) {
  
  if ( _identifier == -1 )
    return false;
  
  _object = objectRoot_->childExists( _identifier );
  return ( _object != 0 );
}

bool get_object(  int _identifier , BaseObjectData*& _object ) {
  
  if ( _identifier == -1 )
    return false;
  
  BaseObject* object = objectRoot_->childExists( _identifier );
  _object = dynamic_cast< BaseObjectData* >(object);
  return ( _object != 0 );
}

bool get_object(  int _identifier , TriMeshObject*& _object ) {
  
  if ( _identifier == -1 )
    return false;
  
  BaseObject* object = objectRoot_->childExists( _identifier );
  _object = dynamic_cast< TriMeshObject* >(object);
  return ( _object != 0 );
}

bool get_object(  int _identifier , PolyMeshObject*& _object ) {
  
  if ( _identifier == -1 )
    return false;
  
  BaseObject* object = objectRoot_->childExists( _identifier );
  _object = dynamic_cast< PolyMeshObject* >(object);
  return ( _object != 0 );
}

// ===============================================================================
// ===============================================================================


bool get_mesh(  int _identifier , TriMesh*& _mesh ) {
  
  if ( _identifier == -1 )
    return false;
  
  BaseObject* object = objectRoot_->childExists( _identifier );

  // Unable to find object
  if ( object == 0)
    return false;

  TriMeshObject* triangleMeshObject = dynamic_cast< TriMeshObject* > (object);

  // Object is not a triangle mesh
  if ( triangleMeshObject == 0)
    return false;

  _mesh = triangleMeshObject->mesh();
  return true;
}

bool get_mesh(  int _identifier , PolyMesh*& _mesh ) {
  
  if ( _identifier == -1 )
    return false;
  
  BaseObject* object = objectRoot_->childExists( _identifier );

  // Unable to find object
  if ( object == 0)
    return false;

  PolyMeshObject* polyMeshObject = dynamic_cast< PolyMeshObject* > (object);

  // Object is not a triangle mesh
  if ( polyMeshObject == 0)
    return false;

  _mesh = polyMeshObject->mesh();
  return true;
}

bool deleteObject( int _id ) {
  
  if ( _id == -1 )
    return false;

  // get the node
  BaseObject* object = objectRoot_->childExists(_id);

  if ( !object || object == objectRoot() ) {
    std::cerr << "Error while deleting object, does not exist!!" << std::endl;
    return false;
  }

  // remove the whole subtree below this item
  object->deleteSubtree();

  // remove the item itself from the parent
  object->parent()->removeChild(object);

  // delete it
  delete object;

  return true;
}

void deleteAll( ) {
  objectRoot()->deleteSubtree();
}


bool object_exists(  int _identifier ) {
  
  if ( _identifier == -1 )
    return false;
  
  BaseObject* object = objectRoot_->childExists( _identifier );
  return ( object != 0 );
}

//===============================================================================

bool get_all_meshes( std::vector<int>& _identifiers  ) {

  _identifiers.clear();

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS,DATA_TRIANGLE_MESH) ;
                                        o_it != PluginFunctions::objects_end(); ++o_it)  {
    _identifiers.push_back( o_it->id() );
  }

  return (_identifiers.size() > 0);
}

bool get_all_object_identifiers( std::vector<int>& _identifiers  ) {

  _identifiers.clear();

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ;
                                        o_it != PluginFunctions::objects_end(); ++o_it)  {
    _identifiers.push_back( o_it->id() );
  }

  return (_identifiers.size() > 0);
}

void setBackColor( OpenMesh::Vec4f _color) {
  examiner_widget_->backgroundColor(_color);
}

QPoint mapToGlobal(QPoint _point ) {
  return examiner_widget_->glMapToGlobal(_point);
}

QPoint mapToLocal( QPoint _point ) {
  return examiner_widget_->glMapFromGlobal(_point);
}

/** Set the draw Mode of the examiner widget.\n
 *
 * The DrawModes are defined at ACG/Scenegraph/DrawModes.hh \n
 * They can be combined.
 */
void setDrawMode( unsigned int _mode ) {
  examiner_widget_->drawMode(_mode);
  examiner_widget_->updateGL();
}

/** Get the current draw Mode of the examiner widget.\n
 *
 * The DrawModes are defined at ACG/Scenegraph/DrawModes.hh \n
 * They can be combined.
 */
unsigned int drawMode( ) {
  return examiner_widget_->drawMode();
}

bool scenegraph_pick( ACG::SceneGraph::PickTarget _pickTarget, const QPoint &_mousePos, unsigned int &_nodeIdx, unsigned int &_targetIdx, ACG::Vec3d *_hitPointPtr=0 ) {
   return examiner_widget_->pick( _pickTarget,_mousePos,_nodeIdx,_targetIdx,_hitPointPtr );
}


//Warning : Dont use template function as external static pointer for examiner widget is not resolved correctly!!
void traverse( ACG::SceneGraph::MouseEventAction  &_action ) {
   ACG::SceneGraph::traverse(PluginFunctions::examiner_widget_->sceneGraph(), _action,PluginFunctions::examiner_widget_->glState() );
}

const std::string & pickMode () {
   return examiner_widget_->pickMode();
}

void pickMode ( std::string _mode) {
  examiner_widget_->pickMode(_mode);
}

void actionMode ( ACG::QtWidgets::QtBaseViewer::ActionMode _mode) {
  examiner_widget_->actionMode(_mode);
}

ACG::GLState&  glState() {
   return examiner_widget_->glState();
}

void getCurrentViewImage(QImage& _image) {
  examiner_widget_->copyToImage( _image );
}

ACG::QtWidgets::QtBaseViewer::ActionMode actionMode() {
   return examiner_widget_->actionMode();
}

void perspectiveProjection() {
  examiner_widget_->perspectiveProjection();
}

void orthographicProjection() {
  examiner_widget_->orthographicProjection();
}

void allowRotation(bool _mode) {
  examiner_widget_->allowRotation(_mode);
}

void viewingDirection(const ACG::Vec3d &_dir, const ACG::Vec3d &_up) {
  examiner_widget_->viewingDirection(_dir,_up);
}


void setScenePos(const ACG::Vec3d& _center, double _radius) {
  examiner_widget_->setScenePos( _center, _radius );
}

void setScenePos(const ACG::Vec3d& _center) {
  examiner_widget_->setScenePos( _center, examiner_widget_->scene_radius() );
}

const ACG::Vec3d& sceneCenter() {
   return examiner_widget_->scene_center();
}

double sceneRadius() {
   return examiner_widget_->scene_radius();
}

void translate( const ACG::Vec3d &_vector ) {
  examiner_widget_->translate(_vector);
}

void rotate(const ACG::Vec3d&  _axis, 
            double             _angle, 
            const ACG::Vec3d&  _center)
{
  examiner_widget_->rotate(_axis,_angle,_center);
}

void viewHome() {
  examiner_widget_->home();
}

void viewAll() {
  examiner_widget_->viewAll();
}

ACG::Vec3d viewingDirection() {
  return examiner_widget_->glState().viewing_direction(); 
}

ACG::Vec3d eyePos() {
  return examiner_widget_->glState().eye(); 
}

ACG::Vec3d upVector() {
  return examiner_widget_->glState().up();
}


ACG::SceneGraph::BaseNode* getRootNode() {
   return PluginFunctions::root_node_;
}

int object_count() {

  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ;
                                        o_it != PluginFunctions::objects_end(); ++o_it)  {
    ++count;
  }

  return ( count );

}

int target_count() {

  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::TARGET_OBJECTS) ;
                                        o_it != PluginFunctions::objects_end(); ++o_it)  {
    ++count;
  }

  return ( count );
}

int source_count() {
  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::SOURCE_OBJECTS) ;
                                        o_it != PluginFunctions::objects_end(); ++o_it)  {
    ++count;
  }

  return ( count );
}

int visible_count() {
  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ;
                                        o_it != PluginFunctions::objects_end(); ++o_it)  {
    if ( o_it->visible() )
    ++count;
  }

  return ( count );

}


/** Returns a vector containing all currently available objects
 *
 * @param _objects vector of all objects
 */
void get_all_objects( std::vector < BaseObjectData*>& _objects ) {

   _objects.clear();

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS,DATA_TRIANGLE_MESH) ;
                                        o_it != PluginFunctions::objects_end(); ++o_it)  {
    _objects.push_back( *o_it );
  }

}

///   Fly to point and viewing direction (animated).
void   flyTo (const TriMesh::Point &_position, const TriMesh::Point &_center, double _time) {
   examiner_widget_->flyTo((ACG::Vec3d)_position,(ACG::Vec3d)_center,_time);
}





ObjectIterator::ObjectIterator( IteratorRestriction _restriction , DataType _dataType) {

  // Initialize with invalid pos
  pos_ = 0;

  // Store the restriction for the operator ( Source/Target )
  restriction_ = _restriction;

  // Store the requested DataType
  dataType_ = _dataType;

  // Start at the root Node
  BaseObject* currentPos = objectRoot_->next();

  // Go through the tree and stop at the root node or if we found a baseObjectData Object
  while ( (currentPos != objectRoot_) && !dynamic_cast<BaseObjectData* > (currentPos)  )
    currentPos = currentPos->next();

  if (currentPos == objectRoot_)
    return;


  while ( (currentPos != objectRoot_) ) {

    // Return only target objects if requested
    if ( (restriction_ == TARGET_OBJECTS) && (! currentPos->target() ) ) {
      currentPos = currentPos->next();
      continue;
    }

    // Return only source objects if requested
    if ( (restriction_ == SOURCE_OBJECTS) && (! currentPos->source() ) ) {
      currentPos = currentPos->next();
      continue;
    }

    // Return only the right dataType
    if ( _dataType != DATA_ALL )
      if ( ! (currentPos->dataType( dataType_ ) ) ) {
        currentPos = currentPos->next();
        continue;
      }

    // found a valid object
    pos_ = dynamic_cast<BaseObjectData* > (currentPos);
    break;
  }
}

ObjectIterator::ObjectIterator(BaseObjectData* pos, IteratorRestriction _restriction , DataType _data)
{
   restriction_ = _restriction;
   pos_         = pos;
   dataType_    = _data;
};


bool ObjectIterator::operator==( const ObjectIterator& _rhs) {
   std::cerr << "==" << std::endl;
   return ( _rhs.pos_ == pos_ );
}

bool ObjectIterator::operator!=( const ObjectIterator& _rhs) {
   return ( _rhs.pos_ != pos_ );
}

ObjectIterator& ObjectIterator::operator=( const ObjectIterator& _rhs) {
   pos_ = _rhs.pos_;
   return *this;
}


ObjectIterator::pointer ObjectIterator::operator->(){
   return pos_;
}

ObjectIterator& ObjectIterator::operator++() {

  // Convert our pointer to the basic one
  BaseObject* currentPos = dynamic_cast< BaseObject* >(pos_);

  // Get the next element in the tree
  currentPos = currentPos->next();

  while ( (currentPos != objectRoot_) ) {

    // Return only target objects if requested
    if ( (restriction_ == TARGET_OBJECTS) && (! currentPos->target() ) ) {
      currentPos = currentPos->next();
      continue;
    }

    // Return only source objects if requested
    if ( (restriction_ == SOURCE_OBJECTS) && (! currentPos->source() ) ) {
      currentPos = currentPos->next();
      continue;
    }

    // Return only the right dataType
    if ( ! (currentPos->dataType( dataType_ ) ) ) {
      currentPos = currentPos->next();
      continue;
    }

    // found a valid object
    pos_ = dynamic_cast<BaseObjectData* > (currentPos);
    return *this;
  }

  // No valid object found
  pos_ = 0;
  return *this;
}

ObjectIterator& ObjectIterator::operator--() {
   std::cerr << "TODO :--" << std::endl;
   return *this;
}

/** This operator returns a pointer to the current object the iterator
 * points to.
 *
 * @return Pointer to the current ObjectData
 */
BaseObjectData* ObjectIterator::operator*() {
   return pos_;
}

/// Return Iterator to Object End
ObjectIterator objects_end() {
   return ObjectIterator(0);
};


// ===============================================================================
// Getting data from objects and casting between them
// ===============================================================================

BaseObjectData* baseObjectData( BaseObject* _object ){
  if ( _object == 0 )
    return 0;
  
  return dynamic_cast< BaseObjectData* >(_object);
}

TriMesh* triMesh( BaseObjectData* _object ) {
  if ( _object == 0 )
    return 0;
  
  if ( _object->dataType(DATA_TRIANGLE_MESH) ) {
    TriMeshObject* object = dynamic_cast< TriMeshObject* >(_object);
    return object->mesh();
  } else
    return NULL;
}

PolyMesh* polyMesh( BaseObjectData* _object ) {
  if ( _object == 0 )
    return 0;
  
  if ( _object->dataType(DATA_POLY_MESH) ) {
    PolyMeshObject* object = dynamic_cast< PolyMeshObject* >(_object);
    return object->mesh();
  } else
    return NULL;
}

TriMeshObject* triMeshObject( BaseObjectData* _object ) {
  if ( _object == 0 )
    return 0;
  
  if ( ! _object->dataType(DATA_TRIANGLE_MESH) )
    return NULL;
  return dynamic_cast< TriMeshObject* >( _object );
}

PolyMeshObject* polyMeshObject( BaseObjectData* _object ) {
  if ( _object == 0 )
    return 0;
  
  if ( ! _object->dataType(DATA_POLY_MESH) )
    return NULL;
  return dynamic_cast< PolyMeshObject* >( _object );
}



// ===============================================================================
// Get the root of the object structure
// ===============================================================================
BaseObject* objectRoot() {
  return (objectRoot_);
}

}