PluginFunctions.cc 22 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

Jan Möbius's avatar
Docu  
Jan Möbius committed
69
/// Contains the currently active examiner
Jan Möbius's avatar
Jan Möbius committed
70
static unsigned int activeExaminer_ = 0;
Jan Möbius's avatar
 
Jan Möbius committed
71
72
73

/** \brief DONT USE DIRECTLY!!
 *
Jan Möbius's avatar
Docu  
Jan Möbius committed
74
75
 * The pointer to the beginning of the scenegraph nodes ( only visible part )
 * Between the actual root node ( sceneGraph_root_node_ ) and this node global nodes could be added
Jan Möbius's avatar
 
Jan Möbius committed
76
77
78
79
 * This pointer is internally used to access the scenegraphs root node
 */
static SeparatorNode* root_node_;

Jan Möbius's avatar
Docu  
Jan Möbius committed
80
81
/** \brief Scenegraph root node
 */
Dirk Wilden's avatar
Dirk Wilden committed
82
83
static SeparatorNode* sceneGraph_root_node_;

Jan Möbius's avatar
Docu  
Jan Möbius committed
84
85
86
/** \brief a dummy properties object returned as a reference if the real object does not exist
 *
 */
Jan Möbius's avatar
 
Jan Möbius committed
87
88
static Viewer::ViewerProperties dummyProperties;

Jan Möbius's avatar
 
Jan Möbius committed
89
90
91
92
void setDataRoot( BaseObject* _root ) {
   objectRoot_ = _root;
}

93
94
95
96
int viewers( ) {
  return examiner_widgets_.size();
}

97
98
void setViewers( std::vector< glViewer* > _viewerWidgets ) {
   PluginFunctions::examiner_widgets_ = _viewerWidgets;
Jan Möbius's avatar
Jan Möbius committed
99
100
101
   PluginFunctions::examiner_widget_ =  examiner_widgets_[0];
}

Dirk Wilden's avatar
Dirk Wilden committed
102
103
104
105
void setViewerProperties( std::vector< Viewer::ViewerProperties* > _viewerProperties ) {
   PluginFunctions::viewerProperties_ = _viewerProperties;
}

106
void setActiveExaminer( const unsigned int _id ) {
Jan Möbius's avatar
Jan Möbius committed
107
  activeExaminer_ = _id;
Jan Möbius's avatar
 
Jan Möbius committed
108
109
}

110
111
112
113
114
115
116
117
118
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] );
}

119
120
121
122
unsigned int activeExaminer( ) {
  return activeExaminer_;
}

Jan Möbius's avatar
 
Jan Möbius committed
123
void setRootNode( SeparatorNode* _root_node ) {
Jan Möbius's avatar
 
Jan Möbius committed
124
125
126
   PluginFunctions::root_node_ = _root_node;
}

Jan Möbius's avatar
 
Jan Möbius committed
127
void setSceneGraphRootNode( SeparatorNode* _root_node ) {
Dirk Wilden's avatar
Dirk Wilden committed
128
129
130
   PluginFunctions::sceneGraph_root_node_ = _root_node;
}

Jan Möbius's avatar
 
Jan Möbius committed
131
bool getPickedObject(const unsigned int _node_idx , BaseObjectData*& _object) {
Jan Möbius's avatar
 
Jan Möbius committed
132
  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ; o_it != PluginFunctions::objectsEnd(); ++o_it) {
Jan Möbius's avatar
 
Jan Möbius committed
133
134
135
136
137
138
139
140
141
    if ( o_it->picked( _node_idx ) ) {
      _object = *o_it;
      return true;
    }
  }
  return false;
}


Jan Möbius's avatar
 
Jan Möbius committed
142
bool getSourceIdentifiers( std::vector<int>& _identifiers  ) {
Jan Möbius's avatar
 
Jan Möbius committed
143
144
  _identifiers.clear();

Jan Möbius's avatar
 
Jan Möbius committed
145
  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ; o_it != PluginFunctions::objectsEnd(); ++o_it) {
Jan Möbius's avatar
 
Jan Möbius committed
146
147
148
149
150
151
    if ( o_it->source() )
      _identifiers.push_back ( o_it->id() );
  }
  return (_identifiers.size() >0 );
}

Jan Möbius's avatar
 
Jan Möbius committed
152
bool getTargetIdentifiers( std::vector<int>& _identifiers  ) {
Jan Möbius's avatar
 
Jan Möbius committed
153
154
  _identifiers.clear();

Jan Möbius's avatar
 
Jan Möbius committed
155
  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ; o_it != PluginFunctions::objectsEnd(); ++o_it) {
Jan Möbius's avatar
 
Jan Möbius committed
156
157
158
159
160
161
162
163
164
165
    if ( o_it->target() )
      _identifiers.push_back ( o_it->id() );
  }
  return (_identifiers.size() >0 );
}

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

Jan Möbius's avatar
 
Jan Möbius committed
166
bool getObject(  const int _identifier , BaseObject*& _object ) {
167

Jan Möbius's avatar
 
Jan Möbius committed
168
169
  if ( _identifier == -1 )
    return false;
170

Jan Möbius's avatar
 
Jan Möbius committed
171
172
173
174
  _object = objectRoot_->childExists( _identifier );
  return ( _object != 0 );
}

Jan Möbius's avatar
 
Jan Möbius committed
175
bool getObject(  const int _identifier , BaseObjectData*& _object ) {
176

Jan Möbius's avatar
 
Jan Möbius committed
177
178
  if ( _identifier == -1 )
    return false;
179

Jan Möbius's avatar
 
Jan Möbius committed
180
181
182
183
184
185
186
187
  BaseObject* object = objectRoot_->childExists( _identifier );
  _object = dynamic_cast< BaseObjectData* >(object);
  return ( _object != 0 );
}

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

188
bool object_exists(  const int _identifier ) {
189

Jan Möbius's avatar
 
Jan Möbius committed
190
191
  if ( _identifier == -1 )
    return false;
192

Jan Möbius's avatar
 
Jan Möbius committed
193
194
195
196
197
198
  BaseObject* object = objectRoot_->childExists( _identifier );
  return ( object != 0 );
}

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

Jan Möbius's avatar
 
Jan Möbius committed
199
bool getAllMeshes( std::vector<int>& _identifiers  ) {
Jan Möbius's avatar
 
Jan Möbius committed
200
201
202
203
204

  _identifiers.clear();

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS,DATA_TRIANGLE_MESH) ;
Jan Möbius's avatar
 
Jan Möbius committed
205
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
Jan Möbius's avatar
 
Jan Möbius committed
206
207
208
209
210
211
212
213
214
215
216
217
    _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
218
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
Jan Möbius's avatar
 
Jan Möbius committed
219
220
221
222
223
224
225
    _identifiers.push_back( o_it->id() );
  }

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

void setBackColor( OpenMesh::Vec4f _color) {
226
  for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
227
    PluginFunctions::viewerProperties(i).backgroundColor(_color);
Jan Möbius's avatar
 
Jan Möbius committed
228
229
}

230
QPoint mapToGlobal(const QPoint _point ) {
Jan Möbius's avatar
Jan Möbius committed
231
  return examiner_widgets_[activeExaminer_]->glMapToGlobal(_point);
Jan Möbius's avatar
 
Jan Möbius committed
232
233
}

234
QPoint mapToLocal( const QPoint _point ) {
Jan Möbius's avatar
Jan Möbius committed
235
  return examiner_widgets_[activeExaminer_]->glMapFromGlobal(_point);
Jan Möbius's avatar
 
Jan Möbius committed
236
237
}

238
239
void setDrawMode( const unsigned int _mode , int _viewer) {

Jan Möbius's avatar
Jan Möbius committed
240
  if ( _viewer == ACTIVE_VIEWER )
241
242
    viewerProperties(activeExaminer()).drawMode(_mode);
  else if ( _viewer == ALL_VIEWERS )
Jan Möbius's avatar
Jan Möbius committed
243
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
244
      viewerProperties(i).drawMode(_mode);
Jan Möbius's avatar
Jan Möbius committed
245
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
246
    viewerProperties(_viewer).drawMode(_mode);
247
248
249
  else
    std::cerr << "Requested illegal viewer for setting DrawMode!!" << std::endl;

Jan Möbius's avatar
 
Jan Möbius committed
250
251
252
253
254
255
256
}

/** Get the current draw Mode of the examiner widget.\n
 *
 * The DrawModes are defined at ACG/Scenegraph/DrawModes.hh \n
 * They can be combined.
 */
257
258
unsigned int drawMode( int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
259
    return viewerProperties(activeExaminer()).drawMode();
260
261
262
  } 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() )
263
    return viewerProperties(_viewer).drawMode();
264
265
  else
    std::cerr << "Requested illegal viewer for viewingDirection!!" << std::endl;
266

267
  return viewerProperties(activeExaminer()).drawMode();
268
269
}

Jan Möbius's avatar
 
Jan Möbius committed
270
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
271
272
273
274

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

Jan Möbius's avatar
 
Jan Möbius committed
275
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
276
277
278
279
280
281

  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
282
283
}

Jan Möbius's avatar
Dennis:  
Jan Möbius committed
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
bool scenegraphRegionPick( ACG::SceneGraph::PickTarget                _pickTarget,
                           const QRegion&                             _region,
                           QList<QPair<unsigned int, unsigned int> >& _list)
{
  return examiner_widgets_[activeExaminer_]->pick_region( _pickTarget, _region, _list);
}

bool scenegraphRegionPick( const unsigned int                         _examiner,
                           ACG::SceneGraph::PickTarget                _pickTarget,
                           const QRegion&                             _region,
                           QList<QPair<unsigned int, unsigned int> >& _list)
{
  if ( _examiner >= examiner_widgets_.size() ) {
    std::cerr << "Wrong examiner id" << std::endl;
    return false;
  }
  return examiner_widgets_[_examiner]->pick_region( _pickTarget, _region, _list);
}


Jan Möbius's avatar
 
Jan Möbius committed
304
305
306

//Warning : Dont use template function as external static pointer for examiner widget is not resolved correctly!!
void traverse( ACG::SceneGraph::MouseEventAction  &_action ) {
307
   ACG::SceneGraph::traverse(sceneGraph_root_node_,
308
                             _action,viewerProperties().glState() );
Jan Möbius's avatar
 
Jan Möbius committed
309
310
}

Jan Möbius's avatar
Jan Möbius committed
311
//Warning : Dont use template function as external static pointer for examiner widget is not resolved correctly!!
312
void traverse( const unsigned int _examiner, ACG::SceneGraph::MouseEventAction  &_action ) {
Jan Möbius's avatar
Jan Möbius committed
313
314
315
316
317
318

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

319
  ACG::SceneGraph::traverse(sceneGraph_root_node_, _action,viewerProperties(_examiner).glState() );
Jan Möbius's avatar
Jan Möbius committed
320
321
322
}


323
const std::string pickMode () {
324
  // No seperate draw modes available all should have the same so take first
325
  return viewerProperties().pickMode();
Jan Möbius's avatar
 
Jan Möbius committed
326
327
328
}

void pickMode ( std::string _mode) {
329
  viewerProperties().pickMode(_mode);
Jan Möbius's avatar
Jan Möbius committed
330
331
}

332
333
Viewer::ActionMode actionMode() {
   return viewerProperties().actionMode();
Jan Möbius's avatar
 
Jan Möbius committed
334
335
}

Jan Möbius's avatar
 
Jan Möbius committed
336
337
void actionMode ( Viewer::ActionMode _mode) {

338
  viewerProperties().actionMode(_mode);
Jan Möbius's avatar
 
Jan Möbius committed
339
340
341
}

void getCurrentViewImage(QImage& _image) {
Dirk Wilden's avatar
Dirk Wilden committed
342
  viewer( activeExaminer() )->copyToImage( _image );
Jan Möbius's avatar
 
Jan Möbius committed
343
344
}

Jan Möbius's avatar
 
Jan Möbius committed
345
Viewer::ViewerProperties& viewerProperties(int _id) {
Dirk Wilden's avatar
Dirk Wilden committed
346
  if ( _id >= (int)viewerProperties_.size() ) {
Jan Möbius's avatar
 
Jan Möbius committed
347
348
349
350
351
352
353
    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
354
  return ( *viewerProperties_[_id] );
Jan Möbius's avatar
 
Jan Möbius committed
355

Jan Möbius's avatar
 
Jan Möbius committed
356
357
}

Jan Möbius's avatar
Jan Möbius committed
358
359
360
361
362
363
364
365
366
367
void perspectiveProjection( int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->perspectiveProjection();
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->perspectiveProjection();
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->perspectiveProjection();
  else
    std::cerr << "Requested illegal viewer for perspectiveProjection()!!" << std::endl;
Jan Möbius's avatar
 
Jan Möbius committed
368
369
}

Jan Möbius's avatar
Jan Möbius committed
370
371
372
373
374
375
376
377
378
379
void orthographicProjection( int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->orthographicProjection();
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->orthographicProjection();
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->orthographicProjection();
  else
    std::cerr << "Requested illegal viewer for orthographicProjection()!!" << std::endl;
Jan Möbius's avatar
 
Jan Möbius committed
380
381
382
383
384
385
}

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

386
387
388
389
void setMainGLContext() {
  examiner_widget_->makeCurrent();
}

390
391
392
393
394
395
396
397
398
399
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
400
401
402
}


403
404
405
406
407
408
409
410
411
412
413
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_];
414
415
}

416
417
418
419
420
421
422
423
424
425
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
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
void setSceneCenter(const ACG::Vec3d& _center, int _viewer) {

	if (_viewer == ACTIVE_VIEWER) {

		examiner_widgets_[activeExaminer_]->setSceneCenter(_center);
	} else if (_viewer == ALL_VIEWERS) {

		for (uint i = 0; i < examiner_widgets_.size(); ++i) {

			examiner_widgets_[i]->setSceneCenter(_center);
		}
	} else if ((_viewer >= 0) && _viewer < (int) examiner_widgets_.size()) {

		examiner_widgets_[_viewer]->setSceneCenter(_center);
	} else {
		std::cerr << "Requested illegal viewer for setSceneCenter!!"
				<< std::endl;
	}
}

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;
Jan Möbius's avatar
Jan Möbius committed
459

460
	return examiner_widgets_[activeExaminer_]->scene_center();
Jan Möbius's avatar
 
Jan Möbius committed
461
462
463
}

double sceneRadius() {
464
   return examiner_widgets_[activeExaminer_]->scene_radius();
Jan Möbius's avatar
 
Jan Möbius committed
465
466
}

467
468
469
470
471
472
473
474
475
476
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
477
478
}

479
void rotate(const ACG::Vec3d&  _axis,
480
            const double       _angle,
481
482
            const ACG::Vec3d&  _center,
            int                _viewer )
Jan Möbius's avatar
 
Jan Möbius committed
483
{
484
485
486
487
488
489
490
491
492
  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
493
494
}

495
496
497
498
499
500
501
502
503
504
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
505
506
}

507
508
509
510
511
512
513
514
515
516
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
517
518
}

519
520
521
522
523
524
525
526
527
528
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;

529
  return viewerProperties().glState().viewing_direction();
Jan Möbius's avatar
 
Jan Möbius committed
530
531
}

532
533
534
535
536
537
538
539
540
541
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;

542
  return viewerProperties().glState().eye();
Jan Möbius's avatar
 
Jan Möbius committed
543
544
}

545
546
547
548
549
550
551
552
553
554
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;

555
  return viewerProperties().glState().up();
Jan Möbius's avatar
 
Jan Möbius committed
556
557
558
}


Dirk Wilden's avatar
Dirk Wilden committed
559
560
561
562
ACG::SceneGraph::BaseNode* getSceneGraphRootNode() {
   return PluginFunctions::sceneGraph_root_node_;
}

Jan Möbius's avatar
 
Jan Möbius committed
563
564
565
566
ACG::SceneGraph::BaseNode* getRootNode() {
   return PluginFunctions::root_node_;
}

Dirk Wilden's avatar
Dirk Wilden committed
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
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
584
int objectCount() {
Jan Möbius's avatar
 
Jan Möbius committed
585
586
587
588
589

  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ;
Jan Möbius's avatar
 
Jan Möbius committed
590
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
Jan Möbius's avatar
 
Jan Möbius committed
591
592
593
594
595
596
597
    ++count;
  }

  return ( count );

}

Jan Möbius's avatar
 
Jan Möbius committed
598
int targetCount() {
Jan Möbius's avatar
 
Jan Möbius committed
599
600
601
602
603

  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::TARGET_OBJECTS) ;
Jan Möbius's avatar
 
Jan Möbius committed
604
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
Jan Möbius's avatar
 
Jan Möbius committed
605
606
607
608
609
610
    ++count;
  }

  return ( count );
}

Jan Möbius's avatar
 
Jan Möbius committed
611
int sourceCount() {
Jan Möbius's avatar
 
Jan Möbius committed
612
613
614
615
  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::SOURCE_OBJECTS) ;
Jan Möbius's avatar
 
Jan Möbius committed
616
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
Jan Möbius's avatar
 
Jan Möbius committed
617
618
619
620
621
622
    ++count;
  }

  return ( count );
}

Jan Möbius's avatar
 
Jan Möbius committed
623
int visibleCount() {
Jan Möbius's avatar
 
Jan Möbius committed
624
625
626
627
  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ;
Jan Möbius's avatar
 
Jan Möbius committed
628
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
Jan Möbius's avatar
 
Jan Möbius committed
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
    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
648
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
Jan Möbius's avatar
 
Jan Möbius committed
649
650
651
652
653
654
    _objects.push_back( *o_it );
  }

}

///   Fly to point and viewing direction (animated).
Jan Möbius's avatar
 
Jan Möbius committed
655
void   flyTo (const ACG::Vec3d &_position, const ACG::Vec3d &_center, double _time) {
656
   examiner_widgets_[activeExaminer_]->flyTo(_position,_center,_time);
Jan Möbius's avatar
 
Jan Möbius committed
657
658
659
660
661
662
663
664
665
666
}


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

BaseObjectData* baseObjectData( BaseObject* _object ){
  if ( _object == 0 )
    return 0;
667

Jan Möbius's avatar
 
Jan Möbius committed
668
669
670
671
672
673
  return dynamic_cast< BaseObjectData* >(_object);
}

// ===============================================================================
// Get the root of the object structure
// ===============================================================================
Jan Möbius's avatar
Jan Möbius committed
674
BaseObject*& objectRoot() {
Jan Möbius's avatar
 
Jan Möbius committed
675
676
677
678
  return (objectRoot_);
}

}