PluginFunctions.cc 22 KB
Newer Older
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
//
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
//
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"
44
#include "PluginFunctionsCore.hh"
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
 */
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
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;
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
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
 */
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
 *
 */
87 88
static Viewer::ViewerProperties dummyProperties;

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;
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_;
}

123
void setRootNode( SeparatorNode* _root_node ) {
124 125 126
   PluginFunctions::root_node_ = _root_node;
}

127
void setSceneGraphRootNode( SeparatorNode* _root_node ) {
128 129 130
   PluginFunctions::sceneGraph_root_node_ = _root_node;
}

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


142
bool getSourceIdentifiers( std::vector<int>& _identifiers  ) {
143 144
  _identifiers.clear();

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

152
bool getTargetIdentifiers( std::vector<int>& _identifiers  ) {
153 154
  _identifiers.clear();

155
  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ; o_it != PluginFunctions::objectsEnd(); ++o_it) {
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
// ===============================================================================

166
bool getObject(  const int _identifier , BaseObject*& _object ) {
167

168 169
  if ( _identifier == -1 )
    return false;
170

171 172 173 174
  _object = objectRoot_->childExists( _identifier );
  return ( _object != 0 );
}

175
bool getObject(  const int _identifier , BaseObjectData*& _object ) {
176

177 178
  if ( _identifier == -1 )
    return false;
179

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

190 191
  if ( _identifier == -1 )
    return false;
192

193 194 195 196 197 198
  BaseObject* object = objectRoot_->childExists( _identifier );
  return ( object != 0 );
}

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

199
bool getAllMeshes( std::vector<int>& _identifiers  ) {
200 201 202 203 204

  _identifiers.clear();

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS,DATA_TRIANGLE_MESH) ;
205
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
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) ;
218
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
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);
228 229
}

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

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

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
}

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 );
}

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 );
282 283
}

Jan Möbius's avatar
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);
}


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() );
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();
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();
334 335
}

336 337
void actionMode ( Viewer::ActionMode _mode) {

338
  viewerProperties().actionMode(_mode);
339 340 341
}

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

345
Viewer::ViewerProperties& viewerProperties(int _id) {
Dirk Wilden's avatar
Dirk Wilden committed
346
  if ( _id >= (int)viewerProperties_.size() ) {
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] );
355

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;
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;
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;
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;
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();
461 462 463
}

double sceneRadius() {
464
   return examiner_widgets_[activeExaminer_]->scene_radius();
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;
477 478
}

479
void rotate(const ACG::Vec3d&  _axis,
480
            const double       _angle,
481 482
            const ACG::Vec3d&  _center,
            int                _viewer )
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;
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;
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;
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();
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();
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();
556 557 558
}


559 560 561 562
ACG::SceneGraph::BaseNode* getSceneGraphRootNode() {
   return PluginFunctions::sceneGraph_root_node_;
}

563 564 565 566
ACG::SceneGraph::BaseNode* getRootNode() {
   return PluginFunctions::root_node_;
}

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_ );
  }
}

584
int objectCount() {
585 586 587 588 589

  int count = 0;

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

  return ( count );

}

598
int targetCount() {
599 600 601 602 603

  int count = 0;

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

  return ( count );
}

611
int sourceCount() {
612 613 614 615
  int count = 0;

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

  return ( count );
}

623
int visibleCount() {
624 625 626 627
  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ;
628
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
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) ;
648
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
649 650 651 652 653 654
    _objects.push_back( *o_it );
  }

}

///   Fly to point and viewing direction (animated).
655
void   flyTo (const ACG::Vec3d &_position, const ACG::Vec3d &_center, double _time) {
656
   examiner_widgets_[activeExaminer_]->flyTo(_position,_center,_time);
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

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() {
675 676 677 678
  return (objectRoot_);
}

}