PluginFunctions.cc 14.4 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 44 45 46 47 48 49 50 51 52 53 54 55 56
//  You should have received a copy of the GNU Lesser General Public License
//  along with OpenFlipper.  If not, see <http://www.gnu.org/licenses/>.
//
//-----------------------------------------------------------------------------
//
//   $Revision$
//   $Author$
//   $Date$
//
//=============================================================================




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

#include <OpenFlipper/common/Types.hh>

#include "PluginFunctions.hh"

namespace PluginFunctions {

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

/** \brief DONT USE DIRECTLY!!
 *
 * This pointer is internally used to acces the examiner widget in the main apllication
 */
Jan Möbius's avatar
Jan Möbius committed
57 58 59 60 61 62
static std::vector< ACG::QtWidgets::QtExaminerViewer* > examiner_widgets_;

/// TODO : Remove this variable and implement multiView correctly here
static ACG::QtWidgets::QtExaminerViewer*  examiner_widget_;

static unsigned int activeExaminer_ = 0;
63 64 65 66 67 68 69

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

70 71
static SeparatorNode* sceneGraph_root_node_;

72 73 74 75
void setDataRoot( BaseObject* _root ) {
   objectRoot_ = _root;
}

Jan Möbius's avatar
Jan Möbius committed
76 77 78 79 80 81 82
void set_examiner( std::vector< ACG::QtWidgets::QtExaminerViewer* > _examiner_widgets ) {
   PluginFunctions::examiner_widgets_ = _examiner_widgets;
   PluginFunctions::examiner_widget_ =  examiner_widgets_[0];
}

void setActiveExaminer( unsigned int _id ) {
  activeExaminer_ = _id;
83 84 85 86 87 88
}

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

89 90 91 92
void set_sceneGraphRootNode( SeparatorNode* _root_node ) {
   PluginFunctions::sceneGraph_root_node_ = _root_node;
}

93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128
bool get_picked_object(uint _node_idx , BaseObjectData*& _object) {
  for ( ObjectIterator o_it(PluginFunctions::ALL_OBJECTS) ; o_it != PluginFunctions::objects_end(); ++o_it) {
    if ( o_it->picked( _node_idx ) ) {
      _object = *o_it;
      return true;
    }
  }
  return false;
}


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

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

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

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

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

bool get_object(  int _identifier , BaseObject*& _object ) {
129

130 131
  if ( _identifier == -1 )
    return false;
132

133 134 135 136 137
  _object = objectRoot_->childExists( _identifier );
  return ( _object != 0 );
}

bool get_object(  int _identifier , BaseObjectData*& _object ) {
138

139 140
  if ( _identifier == -1 )
    return false;
141

142 143 144 145 146 147 148 149 150 151
  BaseObject* object = objectRoot_->childExists( _identifier );
  _object = dynamic_cast< BaseObjectData* >(object);
  return ( _object != 0 );
}

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


bool deleteObject( int _id ) {
152

153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179
  if ( _id == -1 )
    return false;

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

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

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

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

  // delete it
  delete object;

  return true;
}

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

180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207
int copyObject( int _id ) {
  if ( _id == -1 )
    return -1;

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

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

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

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

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

  return copy->id();
}
208 209

bool object_exists(  int _identifier ) {
210

211 212
  if ( _identifier == -1 )
    return false;
213

214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246
  BaseObject* object = objectRoot_->childExists( _identifier );
  return ( object != 0 );
}

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

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

  _identifiers.clear();

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

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

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

  _identifiers.clear();

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

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

void setBackColor( OpenMesh::Vec4f _color) {
Jan Möbius's avatar
Jan Möbius committed
247
  examiner_widgets_[activeExaminer_]->backgroundColor(_color);
248 249 250
}

QPoint mapToGlobal(QPoint _point ) {
Jan Möbius's avatar
Jan Möbius committed
251
  return examiner_widgets_[activeExaminer_]->glMapToGlobal(_point);
252 253 254
}

QPoint mapToLocal( QPoint _point ) {
Jan Möbius's avatar
Jan Möbius committed
255
  return examiner_widgets_[activeExaminer_]->glMapFromGlobal(_point);
256 257 258 259 260 261 262 263
}

/** Set the draw Mode of the examiner widget.\n
 *
 * The DrawModes are defined at ACG/Scenegraph/DrawModes.hh \n
 * They can be combined.
 */
void setDrawMode( unsigned int _mode ) {
Jan Möbius's avatar
Jan Möbius committed
264 265 266 267
  for ( uint i = 0 ; i < examiner_widgets_.size() ; ++i ) {
    examiner_widgets_[i]->drawMode(_mode);
    examiner_widgets_[i]->updateGL();
  }
268 269 270 271 272 273 274 275 276 277 278 279
}

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

bool scenegraph_pick( ACG::SceneGraph::PickTarget _pickTarget, const QPoint &_mousePos, unsigned int &_nodeIdx, unsigned int &_targetIdx, ACG::Vec3d *_hitPointPtr=0 ) {
Jan Möbius's avatar
Jan Möbius committed
280 281 282 283 284 285 286 287 288 289 290

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

bool scenegraph_pick( unsigned int _examiner, ACG::SceneGraph::PickTarget _pickTarget, const QPoint &_mousePos, unsigned int &_nodeIdx, unsigned int &_targetIdx, ACG::Vec3d *_hitPointPtr=0 ) {

  if ( _examiner >= examiner_widgets_.size() ) {
    std::cerr << "Wrong examiner id" << std::endl;
    return false;
  }
  return examiner_widgets_[_examiner]->pick( _pickTarget,_mousePos,_nodeIdx,_targetIdx,_hitPointPtr );
291 292 293 294 295
}


//Warning : Dont use template function as external static pointer for examiner widget is not resolved correctly!!
void traverse( ACG::SceneGraph::MouseEventAction  &_action ) {
Jan Möbius's avatar
Jan Möbius committed
296 297
   ACG::SceneGraph::traverse(PluginFunctions::examiner_widgets_[activeExaminer_]->sceneGraph(),
                             _action,PluginFunctions::examiner_widgets_[activeExaminer_]->glState() );
298 299
}

Jan Möbius's avatar
Jan Möbius committed
300 301 302 303 304 305 306 307 308 309 310 311
//Warning : Dont use template function as external static pointer for examiner widget is not resolved correctly!!
void traverse(  unsigned int _examiner, ACG::SceneGraph::MouseEventAction  &_action ) {

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

  ACG::SceneGraph::traverse(PluginFunctions::examiner_widgets_[_examiner]->sceneGraph(), _action,PluginFunctions::examiner_widgets_[_examiner]->glState() );
}


312 313 314 315 316
const std::string & pickMode () {
   return examiner_widget_->pickMode();
}

void pickMode ( std::string _mode) {
Jan Möbius's avatar
Jan Möbius committed
317 318 319 320 321 322 323 324 325 326 327
  for ( uint i = 0 ; i < examiner_widgets_.size() ; ++i )
    examiner_widgets_[i]->pickMode(_mode);
}

void pickMode ( unsigned int _examiner, std::string _mode) {
  if ( _examiner >= examiner_widgets_.size() ) {
    std::cerr << "Wrong examiner id" << std::endl;
    return;
  }

  examiner_widgets_[_examiner]->pickMode(_mode);
328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382
}

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

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

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

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

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

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

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

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


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

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

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

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

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

383 384
void rotate(const ACG::Vec3d&  _axis,
            double             _angle,
385 386 387 388 389 390 391 392 393 394 395 396 397 398
            const ACG::Vec3d&  _center)
{
  examiner_widget_->rotate(_axis,_angle,_center);
}

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

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

ACG::Vec3d viewingDirection() {
399
  return examiner_widget_->glState().viewing_direction();
400 401 402
}

ACG::Vec3d eyePos() {
403
  return examiner_widget_->glState().eye();
404 405 406 407 408 409 410
}

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


411 412 413 414
ACG::SceneGraph::BaseNode* getSceneGraphRootNode() {
   return PluginFunctions::sceneGraph_root_node_;
}

415 416 417 418
ACG::SceneGraph::BaseNode* getRootNode() {
   return PluginFunctions::root_node_;
}

419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435
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_ );
  }
}

436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506
int object_count() {

  int count = 0;

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

  return ( count );

}

int target_count() {

  int count = 0;

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

  return ( count );
}

int source_count() {
  int count = 0;

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

  return ( count );
}

int visible_count() {
  int count = 0;

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

  return ( count );

}


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

   _objects.clear();

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

}

///   Fly to point and viewing direction (animated).
507 508
void   flyTo (const ACG::Vec3d &_position, const ACG::Vec3d &_center, double _time) {
   examiner_widget_->flyTo(_position,_center,_time);
509 510 511 512 513 514 515 516 517 518
}


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

BaseObjectData* baseObjectData( BaseObject* _object ){
  if ( _object == 0 )
    return 0;
519

520 521 522 523 524 525
  return dynamic_cast< BaseObjectData* >(_object);
}

// ===============================================================================
// Get the root of the object structure
// ===============================================================================
Jan Möbius's avatar
Jan Möbius committed
526
BaseObject*& objectRoot() {
527 528 529 530
  return (objectRoot_);
}

}