PluginFunctions.cc 35.3 KB
Newer Older
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
/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
 *      Copyright (C) 2001-2009 by Computer Graphics Group, RWTH Aachen      *
 *                           www.openflipper.org                             *
 *                                                                           *
 *---------------------------------------------------------------------------*
 *  This file is part of OpenFlipper.                                        *
 *                                                                           *
 *  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 with the              *
 *  following exceptions:                                                    *
 *                                                                           *
 *  If other files instantiate templates or use macros                       *
 *  or inline functions from this file, or you compile this file and         *
 *  link it with other files to produce an executable, this file does        *
 *  not by itself cause the resulting executable to be covered by the        *
 *  GNU Lesser General Public License. This exception does not however       *
 *  invalidate any other reasons why the executable file might be            *
 *  covered by the GNU Lesser General Public License.                        *
 *                                                                           *
 *  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 LesserGeneral Public          *
 *  License along with OpenFlipper. If not,                                  *
 *  see <http://www.gnu.org/licenses/>.                                      *
 *                                                                           *
\*===========================================================================*/

/*===========================================================================*\
 *                                                                           *
 *   $Revision$                                                         *
 *   $Author$                                                      *
 *   $Date$                   *
 *                                                                           *
\*===========================================================================*/
42 43 44 45 46 47 48 49 50 51 52




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

#include <OpenFlipper/common/Types.hh>
53
#include <QGLWidget>
54 55

#include "PluginFunctions.hh"
56
#include "PluginFunctionsCore.hh"
57 58 59 60 61 62 63

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 */
Jan Möbius's avatar
Jan Möbius committed
64
static BaseObject* objectRoot_ = 0;
65 66 67 68 69

/** \brief DONT USE DIRECTLY!!
 *
 * This pointer is internally used to acces the examiner widget in the main apllication
 */
70
static std::vector< glViewer* > examiner_widgets_;
Jan Möbius's avatar
Jan Möbius committed
71

Dirk Wilden's avatar
Dirk Wilden committed
72 73 74 75 76 77
/** \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
78
/// TODO : Remove this variable and implement multiView correctly here
79
static glViewer*  examiner_widget_;
Jan Möbius's avatar
Jan Möbius committed
80

Jan Möbius's avatar
Docu  
Jan Möbius committed
81
/// Contains the currently active examiner
Jan Möbius's avatar
Jan Möbius committed
82
static unsigned int activeExaminer_ = 0;
83

84 85
static bool internalLightHandling_ = true;

86 87
/** \brief DONT USE DIRECTLY!!
 *
88 89
 * The pointer to the beginning of the scenegraph nodes ( only the nodes belonging to objects )
 * Between the actual root node ( sceneGraphRootNode_ ) and this node global nodes could be added
90 91
 * This pointer is internally used to access the scenegraphs root node
 */
92 93 94 95 96 97
static SeparatorNode* dataRootNode_ = 0;

/** This node is used to add nodes between the root node of the scenegraph and the objects separator node.
* It is directly below the sceneGraphRootNode_
*/
static SeparatorNode* dataSeparatorNode_ = 0;
98

99 100 101 102
/** \brief Scenegraph global nodes root
 */
static SeparatorNode* sceneGraphRootNodeGlobal_ = 0;

Jan Möbius's avatar
Docu  
Jan Möbius committed
103 104
/** \brief Scenegraph root node
 */
105
static SeparatorNode* sceneGraphRootNode_ = 0;
106

Jan Möbius's avatar
Docu  
Jan Möbius committed
107 108 109
/** \brief a dummy properties object returned as a reference if the real object does not exist
 *
 */
110 111
static Viewer::ViewerProperties dummyProperties;

112 113 114 115 116 117 118

/** \brief DONT USE DIRECTLY!!
 *
 * This pointer is used internally
 */
static ViewObjectMarker* defaultMarker_ = 0;

119 120 121 122 123 124
/** \brief DONT USE DIRECTLY!!
 *
 * This pointer is used internally
 */
static QGLWidget* shareGLWidget_ = 0;

125 126 127 128
/** This is a unique id for the running OpenFlipper instance. Use it to identify yourself on the network
*/
static int viewerId_ = 0;

129 130 131 132 133 134
/// Number of currently open objects
static int objectCounter_ = 0;

/// Number of current target objects
static int targetCounter_ = 0;

135 136 137
/// Map that holds the object handles
static std::map<int, BaseObject*> objectMap_;

138 139 140
/// Map of scenegraph widget generators
QMap< std::string ,ACG::QtWidgets::SceneGraphWidgetGenerator* > sceneGraphGenerators_;

141 142 143 144
void setDataRoot( BaseObject* _root ) {
   objectRoot_ = _root;
}

145 146 147 148
int viewers( ) {
  return examiner_widgets_.size();
}

149 150 151 152 153 154 155 156
void disableExaminerLightHandling() {
  internalLightHandling_ = false;  
}

bool examinerLightHandling() {
  return internalLightHandling_;  
}

157 158 159 160
int viewerId() {
  return viewerId_;
}

161 162
void setViewers( std::vector< glViewer* > _viewerWidgets ) {
   PluginFunctions::examiner_widgets_ = _viewerWidgets;
Jan Möbius's avatar
Jan Möbius committed
163
   PluginFunctions::examiner_widget_ =  examiner_widgets_[0];
164 165 166 167 168

   // Generate a (hopefully) unique viewer id
   QTime time = QTime::currentTime();
   qsrand( time.hour() * 10 + time.minute() * 100 + time.second() * 1000 + time.msec() * 10000  );
   viewerId_ = qrand();
Jan Möbius's avatar
Jan Möbius committed
169 170
}

Dirk Wilden's avatar
Dirk Wilden committed
171 172 173 174
void setViewerProperties( std::vector< Viewer::ViewerProperties* > _viewerProperties ) {
   PluginFunctions::viewerProperties_ = _viewerProperties;
}

175
void setActiveExaminer( const unsigned int _id ) {
Jan Möbius's avatar
Jan Möbius committed
176
  activeExaminer_ = _id;
177 178
}

179 180 181 182 183 184 185 186 187
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] );
}

188 189 190 191
unsigned int activeExaminer( ) {
  return activeExaminer_;
}

192 193 194 195 196 197
QString getEncodedExaminerView() {
  return getEncodedExaminerView(activeExaminer());
}

/// Get the encoded view for the given
QString getEncodedExaminerView(int _viewerId) {
Mike Kremer's avatar
Mike Kremer committed
198

199
  QString view;
Mike Kremer's avatar
Mike Kremer committed
200

201 202 203 204
  if ( _viewerId < 0 || _viewerId >= (int)examiner_widgets_.size() ) {
     std::cerr << "Requested unknown viewer with id : " << _viewerId << std::endl;
     examiner_widgets_[activeExaminer()]->encodeView ( view );
     return view;
Mike Kremer's avatar
Mike Kremer committed
205 206
  }

207 208
  examiner_widgets_[_viewerId]->encodeView ( view );
  return view;
Mike Kremer's avatar
Mike Kremer committed
209

210 211 212 213 214 215 216
}

void setEncodedExaminerView( QString _view ) {
  setEncodedExaminerView( activeExaminer() , _view );
}

void setEncodedExaminerView(int _viewerId , QString _view ) {
Mike Kremer's avatar
Mike Kremer committed
217

218 219 220
  if ( _viewerId < 0 || _viewerId >= (int)examiner_widgets_.size() ) {
     std::cerr << "Requested unknown viewer with id : " << _viewerId << std::endl;
     examiner_widgets_[activeExaminer()]->decodeView ( _view );
Mike Kremer's avatar
Mike Kremer committed
221 222
  }

223
  examiner_widgets_[_viewerId]->decodeView ( _view );
Mike Kremer's avatar
Mike Kremer committed
224 225
}

226 227 228
void setDataSeparatorNodes( SeparatorNode* _dataSeparatorNode ) {
  
  // The function should only be called once by the core. 
229

230 231 232 233 234 235 236 237 238 239 240 241 242 243
  // Set the separatorNode
  PluginFunctions::dataSeparatorNode_ = _dataSeparatorNode;

  
  if ( PluginFunctions::dataSeparatorNode_->nChildren() != 1 ){
    std::cerr << "Only one child allowed for dataSeparatorNode on initialization!" << std::endl;
    std::cerr << "The Core has initialized the scenegraph in a strange way!" << std::endl;
    ACG::SceneGraph::BaseNode* child = *(PluginFunctions::dataSeparatorNode_->childrenBegin());
  }
  
  // Set the root node for the data objects
  // which has to be a child of the dataSeparatorNode_
  PluginFunctions::dataRootNode_ = dynamic_cast<ACG::SceneGraph::SeparatorNode*> (*(PluginFunctions::dataSeparatorNode_->childrenBegin()) );
  
244 245
}

246
void setSceneGraphRootNode( SeparatorNode* _root_node ) {
247
   PluginFunctions::sceneGraphRootNode_ = _root_node;
248 249
}

250 251 252 253
void setSceneGraphRootNodeGlobal( SeparatorNode* _root_node ) {
   PluginFunctions::sceneGraphRootNodeGlobal_ = _root_node;
}

254
bool getPickedObject(const unsigned int _node_idx , BaseObjectData*& _object) {
255
  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ; o_it != PluginFunctions::objectsEnd(); ++o_it) {
256 257 258 259 260 261 262 263 264
    if ( o_it->picked( _node_idx ) ) {
      _object = *o_it;
      return true;
    }
  }
  return false;
}


265
bool getSourceIdentifiers( std::vector<int>& _identifiers  ) {
266 267
  _identifiers.clear();

268
  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ; o_it != PluginFunctions::objectsEnd(); ++o_it) {
269 270 271 272 273 274
    if ( o_it->source() )
      _identifiers.push_back ( o_it->id() );
  }
  return (_identifiers.size() >0 );
}

275
bool getTargetIdentifiers( std::vector<int>& _identifiers  ) {
276 277
  _identifiers.clear();

278
  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ; o_it != PluginFunctions::objectsEnd(); ++o_it) {
279 280 281 282 283 284 285 286 287 288
    if ( o_it->target() )
      _identifiers.push_back ( o_it->id() );
  }
  return (_identifiers.size() >0 );
}

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

289
bool getObject(  const int _identifier , BaseObject*& _object ) {
290

291 292
  if ( _identifier == -1 )
    return false;
293

294 295 296 297 298 299 300 301 302
  // Obsolete:
  //_object = objectRoot_->childExists( _identifier );
  
  // Search for specified object in object map:
  std::map<int, BaseObject*>::iterator it;
  it = objectMap_.find(_identifier);
  // Get object
  _object = (it != objectMap_.end() ? it->second : 0);
  
303 304 305
  return ( _object != 0 );
}

306
bool getObject(  const int _identifier , BaseObjectData*& _object ) {
307

308 309
  if ( _identifier == -1 )
    return false;
310

311 312 313 314 315 316 317 318
  // Obsolete: BaseObject* object = objectRoot_->childExists( _identifier );
  
  // Search for specified object in object map:
  std::map<int, BaseObject*>::iterator it;
  it = objectMap_.find(_identifier);
  // Get object
  BaseObject* object = (it != objectMap_.end() ? it->second : 0);
  
319 320 321 322
  _object = dynamic_cast< BaseObjectData* >(object);
  return ( _object != 0 );
}

323
int getObjectId( const QString _name ) {
Jan Möbius's avatar
Jan Möbius committed
324
  if(_name.isEmpty()) return -1;
325

Jan Möbius's avatar
Jan Möbius committed
326 327
  BaseObject* object = objectRoot_->childExists( _name );
  return object ? object->id() : -1;
328 329
}

330 331 332
// ===============================================================================
// ===============================================================================

333
bool object_exists(  const int _identifier ) {
334

335 336
  if ( _identifier == -1 )
    return false;
337

338 339 340 341 342 343
  BaseObject* object = objectRoot_->childExists( _identifier );
  return ( object != 0 );
}

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

344
bool getAllMeshes( std::vector<int>& _identifiers  ) {
345 346 347 348

  _identifiers.clear();

  // find changed manipulator
349
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS,typeId("TriangleMesh")) ;
350
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
351 352 353 354 355 356 357 358 359 360 361 362
    _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) ;
363
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
364 365 366 367 368 369 370
    _identifiers.push_back( o_it->id() );
  }

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

void setBackColor( OpenMesh::Vec4f _color) {
371
  for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
372
    PluginFunctions::viewerProperties(i).backgroundColor(_color);
373 374
}

375 376 377 378 379 380 381 382 383 384
void setFixedView(int _mode, int _viewer ) {

  if ( (_viewer != ACTIVE_VIEWER ) && ( ( _viewer < 0 ) || _viewer >= (int)examiner_widgets_.size()) ){
    std::cerr << "Unable to set fixed view. Wrong viewer id (" << _viewer << ")" << std::endl;
    return;
  }

  switch ( _mode ){
    case VIEW_TOP : //TOP
      PluginFunctions::viewingDirection( ACG::Vec3d(0.0, -1.0, 0.0), ACG::Vec3d(0.0, 0.0, -1.0), _viewer );
385
      PluginFunctions::allowRotation(!PluginFunctions::viewerProperties().rotationLocked(), _viewer);
386 387 388
      break;
    case VIEW_BOTTOM : //BOTTOM
      PluginFunctions::viewingDirection( ACG::Vec3d(0.0, 1.0, 0.0), ACG::Vec3d(0.0, 0.0, -1.0), _viewer );
389
      PluginFunctions::allowRotation(!PluginFunctions::viewerProperties().rotationLocked(), _viewer);
390 391 392
      break;
    case VIEW_LEFT : //LEFT
      PluginFunctions::viewingDirection( ACG::Vec3d(1.0, 0.0, 0.0), ACG::Vec3d(0.0, 1.0, 0.0), _viewer );
393
      PluginFunctions::allowRotation(!PluginFunctions::viewerProperties().rotationLocked(), _viewer);
394 395 396
      break;
    case VIEW_RIGHT : //RIGHT
      PluginFunctions::viewingDirection( ACG::Vec3d(-1.0, 0.0, 0.0), ACG::Vec3d(0.0, 1.0, 0.0), _viewer );
397
      PluginFunctions::allowRotation(!PluginFunctions::viewerProperties().rotationLocked(), _viewer);
398 399 400
      break;
    case VIEW_FRONT : //FRONT
      PluginFunctions::viewingDirection( ACG::Vec3d(0.0, 0.0, -1.0), ACG::Vec3d(0.0, 1.0, 0.0), _viewer );
401
      PluginFunctions::allowRotation(!PluginFunctions::viewerProperties().rotationLocked(), _viewer);
402 403 404
      break;
    case VIEW_BACK : //BACK
      PluginFunctions::viewingDirection( ACG::Vec3d(0.0, 0.0, 1.0), ACG::Vec3d(0.0, 1.0, 0.0), _viewer );
405
      PluginFunctions::allowRotation(!PluginFunctions::viewerProperties().rotationLocked(), _viewer);
406 407 408 409 410 411 412 413 414 415 416 417
      break;
    default : //Free View
      PluginFunctions::allowRotation(true, _viewer);
      break;
  }

  if ( _viewer == ACTIVE_VIEWER )
    viewerProperties(activeExaminer()).currentViewingDirection( _mode );
  else
    viewerProperties( _viewer ).currentViewingDirection( _mode );
}

418
QPoint mapToGlobal(const QPoint _point ) {
Jan Möbius's avatar
Jan Möbius committed
419
  return examiner_widgets_[activeExaminer_]->glMapToGlobal(_point);
420 421
}

422
QPoint mapToLocal( const QPoint _point ) {
Jan Möbius's avatar
Jan Möbius committed
423
  return examiner_widgets_[activeExaminer_]->glMapFromGlobal(_point);
424 425
}

Jan Möbius's avatar
Jan Möbius committed
426
void setDrawMode( const ACG::SceneGraph::DrawModes::DrawMode _mode , int _viewer) {
427

Jan Möbius's avatar
Jan Möbius committed
428
  if ( _viewer == ACTIVE_VIEWER )
429 430
    viewerProperties(activeExaminer()).drawMode(_mode);
  else if ( _viewer == ALL_VIEWERS )
Jan Möbius's avatar
Jan Möbius committed
431
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
432
      viewerProperties(i).drawMode(_mode);
Jan Möbius's avatar
Jan Möbius committed
433
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
434
    viewerProperties(_viewer).drawMode(_mode);
435 436 437
  else
    std::cerr << "Requested illegal viewer for setting DrawMode!!" << std::endl;

438 439 440 441 442 443 444
}

/** Get the current draw Mode of the examiner widget.\n
 *
 * The DrawModes are defined at ACG/Scenegraph/DrawModes.hh \n
 * They can be combined.
 */
Jan Möbius's avatar
Jan Möbius committed
445
ACG::SceneGraph::DrawModes::DrawMode drawMode( int _viewer ) {
446
  if ( _viewer == ACTIVE_VIEWER ) {
447
    return viewerProperties(activeExaminer()).drawMode();
448 449 450
  } 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() )
451
    return viewerProperties(_viewer).drawMode();
452 453
  else
    std::cerr << "Requested illegal viewer for viewingDirection!!" << std::endl;
454

455
  return viewerProperties(activeExaminer()).drawMode();
456 457
}

458
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
459 460 461 462

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

463
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
464 465 466 467 468 469

  if ( _examiner >= examiner_widgets_.size() ) {
    std::cerr << "Wrong examiner id" << std::endl;
    return false;
  }
  return examiner_widgets_[_examiner]->pick( _pickTarget,_mousePos,_nodeIdx,_targetIdx,_hitPointPtr );
470 471
}

Jan Möbius's avatar
Jan Möbius committed
472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491
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);
}


492 493 494

//Warning : Dont use template function as external static pointer for examiner widget is not resolved correctly!!
void traverse( ACG::SceneGraph::MouseEventAction  &_action ) {
495 496
  // Single pass action, as the mouse action will only update the graph.
  // If its changed, it will be set to dirty and an automatic redraw is triggered.
497
  ACG::SceneGraph::traverse(sceneGraphRootNode_, _action );
498 499
}

500
const std::string pickMode () {
501
  // No seperate draw modes available all should have the same so take first
502
  return viewerProperties().pickMode();
503 504 505
}

void pickMode ( std::string _mode) {
506 507
  // switch to default marker
  setViewObjectMarker (defaultViewObjectMarker ());
508
  viewerProperties().pickMode(_mode);
Jan Möbius's avatar
Jan Möbius committed
509 510
}

511 512
Viewer::ActionMode actionMode() {
   return viewerProperties().actionMode();
513 514
}

515 516
void actionMode ( Viewer::ActionMode _mode) {

517
  viewerProperties().actionMode(_mode);
518 519
}

520 521 522 523 524 525 526 527 528 529
void shareGLWidget (QGLWidget *_widget)
{
  shareGLWidget_ = _widget;
}

QGLWidget *shareGLWidget ()
{
  return shareGLWidget_;
}

530
void getCurrentViewImage(QImage& _image) {
531
  viewer( activeExaminer() )->snapshot( _image, true );
532 533
}

534
Viewer::ViewerProperties& viewerProperties(int _id) {
Dirk Wilden's avatar
Dirk Wilden committed
535
  if ( _id >= (int)viewerProperties_.size() ) {
536 537 538 539 540 541 542
    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
543
  return ( *viewerProperties_[_id] );
544

545 546
}

Jan Möbius's avatar
Jan Möbius committed
547 548 549 550 551 552 553 554 555 556
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;
557 558
}

Jan Möbius's avatar
Jan Möbius committed
559 560 561 562 563 564 565 566 567 568
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;
569 570
}

571 572 573 574 575 576 577 578
void allowRotation(bool _mode, int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->allowRotation(_mode);
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->allowRotation(_mode);
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    examiner_widgets_[_viewer]->allowRotation(_mode);
579
  else {
580
    std::cerr << "Requested illegal viewer for allowRotation!!" << std::endl;
581 582 583 584 585 586 587
    return;
  }
  
  if ( _viewer == ACTIVE_VIEWER )
    viewerProperties(activeExaminer()).rotationLocked( !_mode );
  else
    viewerProperties( _viewer ).rotationLocked( !_mode );
588 589 590 591 592 593 594 595 596 597 598
}

bool allowRotation( int _viewer ) {

  if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    return examiner_widgets_[_viewer]->allowRotation();
  else {

    std::cerr << "Requested illegal viewer for isRotationAllowed!!" << std::endl;
    return false;
  }
599 600
}

601 602 603 604
void setMainGLContext() {
  examiner_widget_->makeCurrent();
}

605 606 607 608 609 610 611 612 613 614
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;
615 616
}

617 618 619 620 621 622 623 624 625 626 627 628 629
void lookAt(const ACG::Vec3d& _eye, const ACG::Vec3d& _center, const ACG::Vec3d& _up, int _viewer) {
    
    if ( _viewer == ACTIVE_VIEWER ) {
        examiner_widgets_[activeExaminer_]->lookAt(_eye,_center, _up);
    } else if ( _viewer == ALL_VIEWERS )
        for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
            examiner_widgets_[i]->lookAt(_eye,_center, _up);
        else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
            examiner_widgets_[_viewer]->lookAt(_eye,_center, _up);
        else
            std::cerr << "Requested illegal viewer for viewingDirection!!" << std::endl;
}

630 631 632 633 634 635 636 637 638 639
const ACG::Vec3d trackBallCenter(const ACG::Vec3d& _center, int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    return examiner_widgets_[activeExaminer_]->trackBallCenter();
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      return examiner_widgets_[i]->trackBallCenter(  );
    else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
      return examiner_widgets_[_viewer]->trackBallCenter(  );
    else
      std::cerr << "Requested illegal viewer for setTrackBallCenter!!" << std::endl;
Jan Möbius's avatar
Jan Möbius committed
640 641

  return examiner_widgets_[activeExaminer_]->trackBallCenter();
642 643 644 645 646 647 648 649 650 651 652 653 654 655
}

void setTrackBallCenter(const ACG::Vec3d& _center, int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    examiner_widgets_[activeExaminer_]->setTrackBallCenter( _center );
  } else if ( _viewer == ALL_VIEWERS )
    for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
      examiner_widgets_[i]->setTrackBallCenter( _center );
    else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
      examiner_widgets_[_viewer]->setTrackBallCenter( _center );
    else
      std::cerr << "Requested illegal viewer for setTrackBallCenter!!" << std::endl;
}

656 657 658 659 660 661 662 663 664 665
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;
666 667
}

668 669 670 671 672 673 674 675 676 677
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;
678 679
}

680 681
void setSceneCenter(const ACG::Vec3d& _center, int _viewer) {

Jan Möbius's avatar
Jan Möbius committed
682 683 684
  if (_viewer == ACTIVE_VIEWER) {
    examiner_widgets_[activeExaminer_]->setSceneCenter(_center);
  } else if (_viewer == ALL_VIEWERS) {
685

Jan Möbius's avatar
Jan Möbius committed
686 687 688 689 690 691 692 693
    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;
  }
694 695 696 697
}

const ACG::Vec3d& sceneCenter(int _viewer) {

Jan Möbius's avatar
Jan Möbius committed
698 699 700 701 702 703 704 705 706 707
  if (_viewer == ACTIVE_VIEWER) {
    return examiner_widgets_[activeExaminer_]->scene_center();
  } else if (_viewer == ALL_VIEWERS)
    std::cerr << "Please select viewer to get sceneCenter!" << 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();
708 709 710
}

double sceneRadius() {
711
   return examiner_widgets_[activeExaminer_]->scene_radius();
712 713
}

714 715 716 717 718 719 720 721 722
double sceneRadius( int _viewer ) {
  if ( _viewer == ACTIVE_VIEWER ) {
    return examiner_widgets_[activeExaminer_]->scene_radius();
  } else if ( _viewer == ALL_VIEWERS )
    std::cerr << "Illegal request for scene radius. Please select one viewer!" << std::endl;
  else if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() )
    return examiner_widgets_[_viewer]->scene_radius();
  else
    std::cerr << "Requested illegal viewer for translate!!" << std::endl;
Mike Kremer's avatar
Mike Kremer committed
723

724 725 726
  return -1;
}

727 728 729 730 731 732 733 734 735 736
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;
737 738
}

739
void rotate(const ACG::Vec3d&  _axis,
740
            const double       _angle,
741 742
            const ACG::Vec3d&  _center,
            int                _viewer )
743
{
744 745 746 747 748 749 750 751 752
  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;
753 754
}

755 756 757 758 759 760 761 762 763 764
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;
765 766
}

767 768 769 770 771 772 773 774 775 776
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;
777 778
}

779 780 781 782 783 784 785 786 787 788
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;

789
  return viewerProperties().glState().viewing_direction();
790 791
}

792 793 794 795 796 797 798 799 800 801 802 803 804 805 806
bool isProjectionOrthographic( int _viewer ) {

  if ( ( _viewer >= 0 ) && _viewer < (int)examiner_widgets_.size() ){

    if ( examiner_widgets_[_viewer]->projectionMode() == 0) //ORTHOGRAPHIC_PROJECTION
      return true;
    else
      return false;

  } else
    std::cerr << "Requested illegal viewer for isProjectionOrthographic!!" << std::endl;

  return false;
}

807 808 809 810 811 812 813 814 815 816
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;

817
  return viewerProperties().glState().eye();
818 819
}

820 821 822 823 824 825 826 827 828 829
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;

830
  return viewerProperties().glState().up();
831 832
}

833 834
void setViewObjectMarker(ViewObjectMarker * _marker)
{
Jan Möbius's avatar
Jan Möbius committed
835 836
  for ( uint i = 0 ; i < examiner_widgets_.size(); ++i )
    PluginFunctions::viewerProperties(i).objectMarker(_marker);
837 838 839 840 841 842 843 844 845 846 847 848 849
}

void setDefaultViewObjectMarker(ViewObjectMarker * _marker)
{
  defaultMarker_ = _marker;
}

ViewObjectMarker * defaultViewObjectMarker()
{
  return defaultMarker_;
}


850
ACG::SceneGraph::BaseNode* getSceneGraphRootNode() {
851
   return PluginFunctions::sceneGraphRootNode_;
852 853
}

854
ACG::SceneGraph::BaseNode* getRootNode() {
855
  return PluginFunctions::dataRootNode_;
856 857
}

858 859 860 861 862 863 864 865 866 867 868 869 870 871
void addGlobalStatusNode(ACG::SceneGraph::BaseNode* _node) {
 if (PluginFunctions::sceneGraphRootNode_){
    
    // get the current parent Node 
    ACG::SceneGraph::BaseNode* parent = sceneGraphRootNodeGlobal_->parent();

    // Move the node to the new parent
    _node->set_parent(parent);
    
    // move dataRootNode_ to the new parent
    sceneGraphRootNodeGlobal_->set_parent(_node);
  }
}

872 873
void addGlobalNode(ACG::SceneGraph::BaseNode* _node){
  if (PluginFunctions::sceneGraphRootNode_)
874
    _node->set_parent( PluginFunctions::sceneGraphRootNodeGlobal_ );
875 876 877
}


878 879 880 881 882 883 884 885 886 887 888
void addObjectRenderingNode(ACG::SceneGraph::BaseNode* _node){
  if (PluginFunctions::sceneGraphRootNode_){
    
    // get the current parent Node 
    ACG::SceneGraph::BaseNode* parent = dataRootNode_->parent();

    // Move the node to the new parent
    _node->set_parent(parent);
    
    // move dataRootNode_ to the new parent
    dataRootNode_->set_parent(_node);
889
  }
890
  
891 892
}

893
int objectCount() {
894
  return(objectCounter_);
895 896 897 898
}



899 900
int targetCount() {
  return ( targetCounter_ );
901 902
}

903
int sourceCount() {
904 905 906 907
  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::SOURCE_OBJECTS) ;
908
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
909 910 911 912 913 914
    ++count;
  }

  return ( count );
}

915
int visibleCount() {
916 917 918 919
  int count = 0;

  // find changed manipulator
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ;
920
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938
    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
939
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::ALL_OBJECTS,DATA_ALL) ;
940
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
941 942 943 944 945 946
    _objects.push_back( *o_it );
  }

}

///   Fly to point and viewing direction (animated).
947
void   flyTo (const ACG::Vec3d &_position, const ACG::Vec3d &_center, double _time) {
948
   examiner_widgets_[activeExaminer_]->flyTo(_position,_center,_time);
949 950 951 952 953 954 955 956 957 958
}


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

BaseObjectData* baseObjectData( BaseObject* _object ){
  if ( _object == 0 )
    return 0;
959

960 961 962 963 964 965
  return dynamic_cast< BaseObjectData* >(_object);
}

// ===============================================================================
// Get the root of the object structure
// ===============================================================================
Jan Möbius's avatar
Jan Möbius committed
966
BaseObject*& objectRoot() {
967 968 969
  return (objectRoot_);
}

970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993
void increaseObjectCount() {
  objectCounter_++;
}

// Increase the number of current Object
void decreaseObjectCount() {
  objectCounter_--;
  
  if ( objectCounter_ < 0 )
    std::cerr << "Deleted more objects than created!!!" << std::endl;
}

void increaseTargetCount() {
  targetCounter_++;
}

// Increase the number of current Object
void decreaseTargetCount() {
  targetCounter_--;
  
  if ( targetCounter_ < 0 )
    std::cerr << "target object counter underflow!!!" << std::endl;
}

994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019
// ===============================================================================
// Add an object to the internal object map
// ===============================================================================
void addObjectToMap(int _objectId, BaseObject* _object) {
    
    // Look if object's id already exists in map
    std::map<int, BaseObject*>::iterator it;
    it = objectMap_.find(_objectId);
    // If so return
    if(it != objectMap_.end()) return;
    
    // Add new object to map
    objectMap_.insert(std::pair<int, BaseObject*>(_objectId, _object));
}

// ===============================================================================
// Remove an object from the internal object map
// ===============================================================================
void removeObjectFromMap(int _objectId) {
    
    // Look if object exists in map
    std::map<int, BaseObject*>::iterator it;
    it = objectMap_.find(_objectId);
    
    // Erase entry
    if(it != objectMap_.end()) objectMap_.erase(it);
1020
}
1021 1022


1023
void addSceneGraphGenerator(ACG::QtWidgets::SceneGraphWidgetGenerator* _generator) {
1024
  
1025
   // Check if we already have a generator for this type.
1026 1027
  if ( sceneGraphGenerators_.contains( _generator->handles() ) ) 
    return;
1028 1029 1030 1031 1032 1033 1034 1035 1036 1037

  // Store the generator
  sceneGraphGenerators_[_generator->handles() ] = _generator;
}


QMap< std::string ,ACG::QtWidgets::SceneGraphWidgetGenerator* > getSceneGraphGeneratorList(){
  return sceneGraphGenerators_;
}

1038
} // End namespace PluginFunctions