CameraObject.cc

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/*===========================================================================*\
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\*===========================================================================*/





//=============================================================================
//
//  MyTypes
//
//=============================================================================

#define CAMERAOBJECT_C

//== INCLUDES =================================================================

#include <OpenFlipper/common/Types.hh>
#include <ObjectTypes/Camera/Camera.hh>

#include <ACG/Scenegraph/MaterialNode.hh>

//== DEFINES ==================================================================

//== TYPEDEFS =================================================================

//== CLASS DEFINITION =========================================================

CameraObject::CameraObject( ) :
  BaseObjectData( ),
  cameraNode_(NULL)
{
  setDataType(DATA_CAMERA);
  init();
}

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


CameraObject::CameraObject(const CameraObject & _object) :
  BaseObjectData(_object)
{

    init(_object.cameraNode_);

    setName( name() );
}

CameraObject::~CameraObject()
{
  // Delete the data attached to this object ( this will remove all perObject data)
  // Not the best way to do it but it will work.
  // This is only necessary if people use references to the camera below and
  // they do something with the camera in the destructor of their
  // perObjectData.
  deleteData();

  // No need to delete the scenegraph Nodes as this will be managed by baseplugin
  cameraNode_    = NULL;
}

void CameraObject::cleanup() {

  BaseObjectData::cleanup();

  cameraNode_   = NULL;

  setDataType(DATA_CAMERA);

  init();

}

BaseObject* CameraObject::copy() {
    CameraObject* object = new CameraObject(*this);
    return dynamic_cast< BaseObject* >(object);
}

void CameraObject::init(CameraNode* _camera) {

  if ( materialNode() == NULL)
    std::cerr << "Error when creating Camera Object! materialNode is NULL!" << std::endl;

  cameraNode_ = new CameraNode( materialNode() , "NEW CameraNode");

  // TODO: Set initial position
  
//   if (_camera){
//     cameraNode_->setPosition( _camera->position(), _camera->normal() );
//     cameraNode_->setSize( _camera->xDirection().norm(), _camera->yDirection().norm() );
//   } else {
//     cameraNode_->setPosition( ACG::Vec3f(0.0, 0.0, 0.0), ACG::Vec3f(0.0, 1.0, 0.0) );
//     cameraNode_->setSize( 5.0, 5.0 );
//   }
}

// ===============================================================================
// Name/Path Handling
// ===============================================================================

void CameraObject::setName( QString _name ) {
  BaseObjectData::setName(_name);

  std::string nodename = std::string("CameraNode for Camera "     + _name.toUtf8() );
  cameraNode_->name( nodename );
}

// ===============================================================================
// Visualization
// ===============================================================================

CameraNode* CameraObject::cameraNode() {
  return cameraNode_;
}

// ===============================================================================
// Object information
// ===============================================================================

QString CameraObject::getObjectinfo() {
  QString output;

  output += "========================================================================\n";
  output += BaseObjectData::getObjectinfo();

  if ( dataType( DATA_CAMERA ) )
    output += "Object Contains Camera : ";

  // TODO: Write correct data
//   ACG::Vec3f pos = cameraNode_->position();
//   ACG::Vec3f nor = cameraNode_->normal();
// 
//   output += " Position ( " + QString::number(pos[0]) + ", " + QString::number(pos[1]) + ", " + QString::number(pos[2]) + ")";
//   output += " Normal ( " + QString::number(nor[0]) + ", " + QString::number(nor[1]) + ", " + QString::number(nor[2]) + ")";

  output += "========================================================================\n";
  return output;
}

// ===============================================================================
// Picking
// ===============================================================================

bool CameraObject::picked( uint _node_idx ) {
  return ( _node_idx == cameraNode_->id() );
}

void CameraObject::enablePicking( bool _enable ) {
  cameraNode_->enablePicking( _enable );
}

bool CameraObject::pickingEnabled() {
  return cameraNode_->pickingEnabled();
}

// ===============================================================================
// Update
// ===============================================================================


void CameraObject::update(UpdateType _type) {
  BaseObject::update(_type);
}


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