PluginFunctions.cc 21.1 KB
Newer Older
Jan Möbius's avatar
 
Jan Möbius committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
//=============================================================================
//
//                               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.
15
//
Jan Möbius's avatar
 
Jan Möbius committed
16
17
18
19
//  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.
20
//
Jan Möbius's avatar
 
Jan Möbius committed
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
//  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"
Jan Möbius's avatar
   
Jan Möbius committed
44
#include "PluginFunctionsCore.hh"
Jan Möbius's avatar
 
Jan Möbius committed
45
46
47
48
49
50
51
52
53
54
55
56
57

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
 */
Jan Möbius's avatar
   
Jan Möbius committed
58
static std::vector< glViewer* > examiner_widgets_;
Jan Möbius's avatar
Jan Möbius committed
59

Dirk Wilden's avatar
Dirk Wilden committed
60
61
62
63
64
65
/** \brief DONT USE DIRECTLY!!
 *
 * This vector is used internally to access properties of all viewers
 */
static std::vector< Viewer::ViewerProperties* > viewerProperties_;

Jan Möbius's avatar
Jan Möbius committed
66
/// TODO : Remove this variable and implement multiView correctly here
Jan Möbius's avatar
   
Jan Möbius committed
67
static glViewer*  examiner_widget_;
Jan Möbius's avatar
Jan Möbius committed
68
69

static unsigned int activeExaminer_ = 0;
Jan Möbius's avatar
 
Jan Möbius committed
70
71
72
73
74
75
76

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

Dirk Wilden's avatar
Dirk Wilden committed
77
78
static SeparatorNode* sceneGraph_root_node_;

Jan Möbius's avatar
   
Jan Möbius committed
79
80
static Viewer::ViewerProperties dummyProperties;

Jan Möbius's avatar
 
Jan Möbius committed
81
82
83
84
void setDataRoot( BaseObject* _root ) {
   objectRoot_ = _root;
}

85
86
87
88
int viewers( ) {
  return examiner_widgets_.size();
}

89
90
void setViewers( std::vector< glViewer* > _viewerWidgets ) {
   PluginFunctions::examiner_widgets_ = _viewerWidgets;
Jan Möbius's avatar
Jan Möbius committed
91
92
93
   PluginFunctions::examiner_widget_ =  examiner_widgets_[0];
}

Dirk Wilden's avatar
Dirk Wilden committed
94
95
96
97
void setViewerProperties( std::vector< Viewer::ViewerProperties* > _viewerProperties ) {
   PluginFunctions::viewerProperties_ = _viewerProperties;
}

98
void setActiveExaminer( const unsigned int _id ) {
Jan Möbius's avatar
Jan Möbius committed
99
  activeExaminer_ = _id;
Jan Möbius's avatar
 
Jan Möbius committed
100
101
}

102
103
104
105
106
107
108
109
110
glViewer* viewer(int  _viewerId ) {
   if ( _viewerId < 0 || _viewerId >= (int)examiner_widgets_.size() ) {
     std::cerr << "Requested unknown viewer with id : " << _viewerId << std::endl;
     return examiner_widgets_[activeExaminer()];
   }

   return( examiner_widgets_[_viewerId] );
}

111
112
113
114
unsigned int activeExaminer( ) {
  return activeExaminer_;
}

Jan Möbius's avatar
   
Jan Möbius committed
115
void setRootNode( SeparatorNode* _root_node ) {
Jan Möbius's avatar
 
Jan Möbius committed
116
117
118
   PluginFunctions::root_node_ = _root_node;
}

Jan Möbius's avatar
   
Jan Möbius committed
119
void setSceneGraphRootNode( SeparatorNode* _root_node ) {
Dirk Wilden's avatar
Dirk Wilden committed
120
121
122
   PluginFunctions::sceneGraph_root_node_ = _root_node;
}

Jan Möbius's avatar
   
Jan Möbius committed
123
bool getPickedObject(const unsigned int _node_idx , BaseObjectData*& _object) {
Jan Möbius's avatar
   
Jan Möbius committed
124
  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ; o_it != PluginFunctions::objectsEnd(); ++o_it) {
Jan Möbius's avatar
 
Jan Möbius committed
125
126
127
128
129
130
131
132
133
    if ( o_it->picked( _node_idx ) ) {
      _object = *o_it;
      return true;
    }
  }
  return false;
}


Jan Möbius's avatar
   
Jan Möbius committed
134
bool getSourceIdentifiers( std::vector<int>& _identifiers  ) {
Jan Möbius's avatar
 
Jan Möbius committed
135
136
  _identifiers.clear();

Jan Möbius's avatar
   
Jan Möbius committed
137
  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ; o_it != PluginFunctions::objectsEnd(); ++o_it) {
Jan Möbius's avatar
 
Jan Möbius committed
138
139
140
141
142
143
    if ( o_it->source() )
      _identifiers.push_back ( o_it->id() );
  }
  return (_identifiers.size() >0 );
}

Jan Möbius's avatar
   
Jan Möbius committed
144
bool getTargetIdentifiers( std::vector<int>& _identifiers  ) {
Jan Möbius's avatar
 
Jan Möbius committed
145
146
  _identifiers.clear();

Jan Möbius's avatar
   
Jan Möbius committed
147
  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ; o_it != PluginFunctions::objectsEnd(); ++o_it) {
Jan Möbius's avatar
 
Jan Möbius committed
148
149
150
151
152
153
154
155
156
157
    if ( o_it->target() )
      _identifiers.push_back ( o_it->id() );
  }
  return (_identifiers.size() >0 );
}

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

Jan Möbius's avatar
   
Jan Möbius committed
158
bool getObject(  const int _identifier , BaseObject*& _object ) {
159

Jan Möbius's avatar
 
Jan Möbius committed
160
161
  if ( _identifier == -1 )
    return false;
162

Jan Möbius's avatar
 
Jan Möbius committed
163
164
165
166
  _object = objectRoot_->childExists( _identifier );
  return ( _object != 0 );
}

Jan Möbius's avatar
   
Jan Möbius committed
167
bool getObject(  const int _identifier , BaseObjectData*& _object ) {
168

Jan Möbius's avatar
 
Jan Möbius committed
169
170
  if ( _identifier == -1 )
    return false;
171

Jan Möbius's avatar
 
Jan Möbius committed
172
173
174
175
176
177
178
179
180
  BaseObject* object = objectRoot_->childExists( _identifier );
  _object = dynamic_cast< BaseObjectData* >(object);
  return ( _object != 0 );
}

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


181
bool deleteObject( const int _id ) {
182

Jan Möbius's avatar
 
Jan Möbius committed
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
  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();
}

210
int copyObject( const int _id ) {
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
  if ( _id == -1 )
    return -1;

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

  if ( !object ) {
    std::cerr << "Error while copying object ... not found" << std::endl;
    return -1;
  }

  // remove the whole subtree below this item
  BaseObject* copy = object->copy();

  if ( copy == 0 ) {
    std::cerr << "Unable to create a copy of the object." << std::endl;
  }

  // Integrate into object tree
  copy->setParent( object->parent() );
  if ( object->parent() )
    object->parent()->appendChild(copy);
  else
    std::cerr << "Unable to add copy to object list" << std::endl;

  return copy->id();
}
Jan Möbius's avatar
 
Jan Möbius committed
238

239
bool object_exists(  const int _identifier ) {
240

Jan Möbius's avatar
 
Jan Möbius committed
241
242
  if ( _identifier == -1 )
    return false;
243

Jan Möbius's avatar
 
Jan Möbius committed
244
245
246
247
248
249
  BaseObject* object = objectRoot_->childExists( _identifier );
  return ( object != 0 );
}

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

Jan Möbius's avatar
   
Jan Möbius committed
250
bool getAllMeshes( std::vector<int>& _identifiers  ) {
Jan Möbius's avatar
 
Jan Möbius committed
251
252
253
254
255

  _identifiers.clear();

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS,DATA_TRIANGLE_MESH) ;
Jan Möbius's avatar
   
Jan Möbius committed
256
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
Jan Möbius's avatar
 
Jan Möbius committed
257
258
259
260
261
262
263
264
265
266
267
268
    _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) ;
Jan Möbius's avatar
   
Jan Möbius committed
269
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
Jan Möbius's avatar
 
Jan Möbius committed
270
271
272
273
274
275
276
    _identifiers.push_back( o_it->id() );
  }

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

void setBackColor( OpenMesh::Vec4f _color) {
277
  for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
278
    PluginFunctions::viewerProperties(i).backgroundColor(_color);
Jan Möbius's avatar
 
Jan Möbius committed
279
280
}

281
QPoint mapToGlobal(const QPoint _point ) {
Jan Möbius's avatar
Jan Möbius committed
282
  return examiner_widgets_[activeExaminer_]->glMapToGlobal(_point);
Jan Möbius's avatar
 
Jan Möbius committed
283
284
}

285
QPoint mapToLocal( const QPoint _point ) {
Jan Möbius's avatar
Jan Möbius committed
286
  return examiner_widgets_[activeExaminer_]->glMapFromGlobal(_point);
Jan Möbius's avatar
 
Jan Möbius committed
287
288
}

289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
void setDrawMode( const unsigned int _mode , int _viewer) {

  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->drawMode(_mode);
    examiner_widgets_[activeExaminer_]->updateGL();
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i ) {
      examiner_widgets_[i]->drawMode(_mode);
      examiner_widgets_[i]->updateGL();
    }
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() ) {
    examiner_widgets_[_viewer]->drawMode(_mode);
    examiner_widgets_[_viewer]->updateGL();
  }
  else
    std::cerr << "Requested illegal viewer for setting DrawMode!!" << std::endl;

Jan Möbius's avatar
 
Jan Möbius committed
306
307
308
309
310
311
312
}

/** Get the current draw Mode of the examiner widget.\n
 *
 * The DrawModes are defined at ACG/Scenegraph/DrawModes.hh \n
 * They can be combined.
 */
313
314
315
316
317
318
319
320
321
unsigned int drawMode( int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    return examiner_widgets_[activeExaminer_]->drawMode();
  } else if ( _viewer == ALL_VIEWERS )
    std::cerr << "Please select viewer to get viewing direction!" << std::endl;
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    return examiner_widgets_[_viewer]->drawMode();
  else
    std::cerr << "Requested illegal viewer for viewingDirection!!" << std::endl;
322

323
  return examiner_widgets_[activeExaminer_]->drawMode();
324
325
}

Jan Möbius's avatar
   
Jan Möbius committed
326
bool scenegraphPick( ACG::SceneGraph::PickTarget _pickTarget, const QPoint &_mousePos, unsigned int &_nodeIdx, unsigned int &_targetIdx, ACG::Vec3d *_hitPointPtr=0 ) {
Jan Möbius's avatar
Jan Möbius committed
327
328
329
330

   return examiner_widgets_[activeExaminer_]->pick( _pickTarget,_mousePos,_nodeIdx,_targetIdx,_hitPointPtr );
}

Jan Möbius's avatar
   
Jan Möbius committed
331
bool scenegraphPick( const unsigned int _examiner, ACG::SceneGraph::PickTarget _pickTarget, const QPoint &_mousePos, unsigned int &_nodeIdx, unsigned int &_targetIdx, ACG::Vec3d *_hitPointPtr=0 ) {
Jan Möbius's avatar
Jan Möbius committed
332
333
334
335
336
337

  if ( _examiner >= examiner_widgets_.size() ) {
    std::cerr << "Wrong examiner id" << std::endl;
    return false;
  }
  return examiner_widgets_[_examiner]->pick( _pickTarget,_mousePos,_nodeIdx,_targetIdx,_hitPointPtr );
Jan Möbius's avatar
 
Jan Möbius committed
338
339
340
341
342
}


//Warning : Dont use template function as external static pointer for examiner widget is not resolved correctly!!
void traverse( ACG::SceneGraph::MouseEventAction  &_action ) {
343
   ACG::SceneGraph::traverse(sceneGraph_root_node_,
344
                             _action,viewerProperties().glState() );
Jan Möbius's avatar
 
Jan Möbius committed
345
346
}

Jan Möbius's avatar
Jan Möbius committed
347
//Warning : Dont use template function as external static pointer for examiner widget is not resolved correctly!!
348
void traverse( const unsigned int _examiner, ACG::SceneGraph::MouseEventAction  &_action ) {
Jan Möbius's avatar
Jan Möbius committed
349
350
351
352
353
354

  if ( _examiner >= examiner_widgets_.size() ) {
    std::cerr << "Wrong examiner id" << std::endl;
    return;
  }

355
  ACG::SceneGraph::traverse(sceneGraph_root_node_, _action,viewerProperties(_examiner).glState() );
Jan Möbius's avatar
Jan Möbius committed
356
357
358
}


Jan Möbius's avatar
 
Jan Möbius committed
359
const std::string & pickMode () {
360
361
  // No seperate draw modes available all should have the same so take first
  return examiner_widgets_[0]->pickMode();
Jan Möbius's avatar
 
Jan Möbius committed
362
363
364
}

void pickMode ( std::string _mode) {
Jan Möbius's avatar
Jan Möbius committed
365
366
367
368
  for ( uint i = 0 ; i < examiner_widgets_.size() ; ++i )
    examiner_widgets_[i]->pickMode(_mode);
}

369
void pickMode ( const unsigned int _examiner, std::string _mode) {
Jan Möbius's avatar
Jan Möbius committed
370
371
372
373
374
375
  if ( _examiner >= examiner_widgets_.size() ) {
    std::cerr << "Wrong examiner id" << std::endl;
    return;
  }

  examiner_widgets_[_examiner]->pickMode(_mode);
Jan Möbius's avatar
 
Jan Möbius committed
376
377
}

Jan Möbius's avatar
   
Jan Möbius committed
378
379
void actionMode ( Viewer::ActionMode _mode) {

380
  for ( uint i = 0 ; i < examiner_widgets_.size() ; ++i )
Jan Möbius's avatar
   
Jan Möbius committed
381
    viewerProperties(i).actionMode(_mode);
Jan Möbius's avatar
 
Jan Möbius committed
382
383
384
385
386
387
}

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

Jan Möbius's avatar
   
Jan Möbius committed
388
389
390
391
392
Viewer::ActionMode actionMode() {
   return viewerProperties(activeExaminer_).actionMode();
}

Viewer::ViewerProperties& viewerProperties(int _id) {
Dirk Wilden's avatar
Dirk Wilden committed
393
  if ( _id >= (int)viewerProperties_.size() ) {
Jan Möbius's avatar
   
Jan Möbius committed
394
395
396
397
398
399
400
    std::cerr << " Error, requested properties for non-existing Viewer!" << std::endl;
    return dummyProperties;
  }

  if ( _id == -1 )
    _id = activeExaminer_;

Dirk Wilden's avatar
Dirk Wilden committed
401
  return ( *viewerProperties_[_id] );
Jan Möbius's avatar
   
Jan Möbius committed
402

Jan Möbius's avatar
 
Jan Möbius committed
403
404
405
406
407
408
409
410
411
412
413
414
415
416
}

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

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

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

417
418
419
420
void setMainGLContext() {
  examiner_widget_->makeCurrent();
}

421
422
423
424
425
426
427
428
429
430
void viewingDirection(const ACG::Vec3d &_dir, const ACG::Vec3d &_up , int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->viewingDirection(_dir,_up);
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->viewingDirection(_dir,_up);
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->viewingDirection(_dir,_up);
  else
    std::cerr << "Requested illegal viewer for viewingDirection!!" << std::endl;
Jan Möbius's avatar
 
Jan Möbius committed
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
void setScenePos(const ACG::Vec3d& _center,const double _radius, int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->setScenePos( _center, _radius );
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->setScenePos( _center, _radius );
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->setScenePos( _center, _radius );
  else
    std::cerr << "Requested illegal viewer for setScenePos!!" << std::endl;
  examiner_widgets_[activeExaminer_];
}

void setScenePos(const ACG::Vec3d& _center, int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->setScenePos( _center, examiner_widgets_[activeExaminer_]->scene_radius() );
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->setScenePos( _center, examiner_widgets_[i]->scene_radius() );
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->setScenePos( _center, examiner_widgets_[_viewer]->scene_radius() );
  else
    std::cerr << "Requested illegal viewer for setScenePos!!" << std::endl;
Jan Möbius's avatar
 
Jan Möbius committed
457
458
}

Jan Möbius's avatar
Jan Möbius committed
459
460
461
462
463
464
465
466
467
468
469
const ACG::Vec3d& sceneCenter( int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    return examiner_widgets_[activeExaminer_]->scene_center();
  } else if ( _viewer == ALL_VIEWERS )
    std::cerr << "Please select viewer to get viewing direction!" << std::endl;
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    return examiner_widgets_[_viewer]->scene_center();
  else
    std::cerr << "Requested illegal viewer for sceneCenter!!" << std::endl;

  return examiner_widgets_[activeExaminer_]->scene_center();
Jan Möbius's avatar
 
Jan Möbius committed
470
471
472
}

double sceneRadius() {
473
   return examiner_widgets_[activeExaminer_]->scene_radius();
Jan Möbius's avatar
 
Jan Möbius committed
474
475
}

476
477
478
479
480
481
482
483
484
485
void translate( const ACG::Vec3d &_vector , int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->translate(_vector);
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->translate(_vector);
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->translate(_vector);
  else
    std::cerr << "Requested illegal viewer for translate!!" << std::endl;
Jan Möbius's avatar
 
Jan Möbius committed
486
487
}

488
void rotate(const ACG::Vec3d&  _axis,
489
            const double       _angle,
490
491
            const ACG::Vec3d&  _center,
            int                _viewer )
Jan Möbius's avatar
 
Jan Möbius committed
492
{
493
494
495
496
497
498
499
500
501
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->rotate(_axis,_angle,_center);
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->rotate(_axis,_angle,_center);
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->rotate(_axis,_angle,_center);
  else
    std::cerr << "Requested illegal viewer for rotate!!" << std::endl;
Jan Möbius's avatar
 
Jan Möbius committed
502
503
}

504
505
506
507
508
509
510
511
512
513
void viewHome(int _viewer) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->home();
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->home();
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->home();
  else
    std::cerr << "Requested illegal viewer for viewHome!!" << std::endl;
Jan Möbius's avatar
 
Jan Möbius committed
514
515
}

516
517
518
519
520
521
522
523
524
525
void viewAll(int _viewer) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->viewAll();
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->viewAll();
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->viewAll();
  else
    std::cerr << "Requested illegal viewer for viewAll!!" << std::endl;
Jan Möbius's avatar
 
Jan Möbius committed
526
527
}

528
529
530
531
532
533
534
535
536
537
ACG::Vec3d viewingDirection(int _viewer) {
  if ( _viewer == ACTIVE_VIEWER ) {
    return viewerProperties(activeExaminer_).glState().viewing_direction();
  } else if ( _viewer == ALL_VIEWERS )
    std::cerr << "Please select viewer to get viewing direction!" << std::endl;
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    return viewerProperties(_viewer).glState().viewing_direction();
  else
    std::cerr << "Requested illegal viewer for viewingDirection!!" << std::endl;

538
  return viewerProperties().glState().viewing_direction();
Jan Möbius's avatar
 
Jan Möbius committed
539
540
}

541
542
543
544
545
546
547
548
549
550
ACG::Vec3d eyePos(int _viewer) {
  if ( _viewer == ACTIVE_VIEWER ) {
    return viewerProperties(activeExaminer_).glState().eye();
  } else if ( _viewer == ALL_VIEWERS )
    std::cerr << "Please select viewer to get eyePos!" << std::endl;
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    return viewerProperties(_viewer).glState().eye();
  else
    std::cerr << "Requested illegal viewer for eyePos!!" << std::endl;

551
  return viewerProperties().glState().eye();
Jan Möbius's avatar
 
Jan Möbius committed
552
553
}

554
555
556
557
558
559
560
561
562
563
ACG::Vec3d upVector(int _viewer) {
  if ( _viewer == ACTIVE_VIEWER ) {
    return viewerProperties(activeExaminer_).glState().up();
  } else if ( _viewer == ALL_VIEWERS )
    std::cerr << "Please select viewer to get up vector!" << std::endl;
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    return viewerProperties(_viewer).glState().up();
  else
    std::cerr << "Requested illegal viewer for up vector!!" << std::endl;

564
  return viewerProperties().glState().up();
Jan Möbius's avatar
 
Jan Möbius committed
565
566
567
}


Dirk Wilden's avatar
Dirk Wilden committed
568
569
570
571
ACG::SceneGraph::BaseNode* getSceneGraphRootNode() {
   return PluginFunctions::sceneGraph_root_node_;
}

Jan Möbius's avatar
 
Jan Möbius committed
572
573
574
575
ACG::SceneGraph::BaseNode* getRootNode() {
   return PluginFunctions::root_node_;
}

Dirk Wilden's avatar
Dirk Wilden committed
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
void addNode(ACG::SceneGraph::BaseNode* _node){
  if (PluginFunctions::root_node_)
    _node->set_parent( PluginFunctions::root_node_ );
}

void addGlobalNode(ACG::SceneGraph::BaseNode* _node){
  if (PluginFunctions::sceneGraph_root_node_){
    //set node as new parent for root's children
    while( PluginFunctions::sceneGraph_root_node_->nChildren() > 0 ){
      ACG::SceneGraph::BaseNode* child = *(PluginFunctions::sceneGraph_root_node_->childrenBegin());
      child->set_parent( _node );
    }

    _node->set_parent( PluginFunctions::sceneGraph_root_node_ );
  }
}

Jan Möbius's avatar
   
Jan Möbius committed
593
int objectCount() {
Jan Möbius's avatar
 
Jan Möbius committed
594
595
596
597
598

  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ;
Jan Möbius's avatar
   
Jan Möbius committed
599
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
Jan Möbius's avatar
 
Jan Möbius committed
600
601
602
603
604
605
606
    ++count;
  }

  return ( count );

}

Jan Möbius's avatar
   
Jan Möbius committed
607
int targetCount() {
Jan Möbius's avatar
 
Jan Möbius committed
608
609
610
611
612

  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::TARGET_OBJECTS) ;
Jan Möbius's avatar
   
Jan Möbius committed
613
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
Jan Möbius's avatar
 
Jan Möbius committed
614
615
616
617
618
619
    ++count;
  }

  return ( count );
}

Jan Möbius's avatar
   
Jan Möbius committed
620
int sourceCount() {
Jan Möbius's avatar
 
Jan Möbius committed
621
622
623
624
  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::SOURCE_OBJECTS) ;
Jan Möbius's avatar
   
Jan Möbius committed
625
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
Jan Möbius's avatar
 
Jan Möbius committed
626
627
628
629
630
631
    ++count;
  }

  return ( count );
}

Jan Möbius's avatar
   
Jan Möbius committed
632
int visibleCount() {
Jan Möbius's avatar
 
Jan Möbius committed
633
634
635
636
  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ;
Jan Möbius's avatar
   
Jan Möbius committed
637
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
Jan Möbius's avatar
 
Jan Möbius committed
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
    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) ;
Jan Möbius's avatar
   
Jan Möbius committed
657
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
Jan Möbius's avatar
 
Jan Möbius committed
658
659
660
661
662
663
    _objects.push_back( *o_it );
  }

}

///   Fly to point and viewing direction (animated).
Jan Möbius's avatar
   
Jan Möbius committed
664
void   flyTo (const ACG::Vec3d &_position, const ACG::Vec3d &_center, double _time) {
665
   examiner_widgets_[activeExaminer_]->flyTo(_position,_center,_time);
Jan Möbius's avatar
 
Jan Möbius committed
666
667
668
669
670
671
672
673
674
675
}


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

BaseObjectData* baseObjectData( BaseObject* _object ){
  if ( _object == 0 )
    return 0;
676

Jan Möbius's avatar
 
Jan Möbius committed
677
678
679
680
681
682
  return dynamic_cast< BaseObjectData* >(_object);
}

// ===============================================================================
// Get the root of the object structure
// ===============================================================================
Jan Möbius's avatar
Jan Möbius committed
683
BaseObject*& objectRoot() {
Jan Möbius's avatar
 
Jan Möbius committed
684
685
686
687
  return (objectRoot_);
}

}