/**************************************************************************\
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 *  Copyright (C) 1998-2007 by Systems in Motion.  All rights reserved.
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 *  See the file LICENSE.GPL at the root directory of this source
 *  distribution for additional information about the GNU GPL.
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\**************************************************************************/

/*!
  \class SoMFVec3d SoMFVec3d.h Inventor/fields/SoMFVec3d.h
  \brief The SoMFVec3d class is a container for SbVec3d vectors.
  \ingroup fields

  This field is used where nodes, engines or other field containers
  needs to store an array of vectors with three elements.

  \sa SoSFVec3d, SoMFVec3f
*/

// *************************************************************************

#include <Inventor/fields/SoMFVec3d.h>
#include <Inventor/fields/SoSubFieldP.h>
#include <Inventor/errors/SoDebugError.h>

#include "shared.h"

// *************************************************************************

SO_MFIELD_SOURCE(SoMFVec3d, SbVec3d, const SbVec3d &);

// *************************************************************************

// Override from parent class.
void
SoMFVec3d::initClass(void)
{
  SO_MFIELD_INTERNAL_INIT_CLASS(SoMFVec3d);
}

// *************************************************************************

// No need to document readValue() and writeValue() here, as the
// necessary information is provided by the documentation of the
// parent classes.
#ifndef DOXYGEN_SKIP_THIS

SbBool
SoMFVec3d::read1Value(SoInput * in, int idx)
{
  SbVec3d v;
  if (!sosfvec3d_read_value(in, v)) return FALSE;
  this->set1Value(idx, v);
  return TRUE;
}

void
SoMFVec3d::write1Value(SoOutput * out, int idx) const
{
  sosfvec3d_write_value(out, (*this)[idx]);
}

#endif // DOXYGEN_SKIP_THIS

// *************************************************************************

/*!
  Set \a num vector array elements from the \a xyz array, reading from
  index 0 in the given double-triplet vector array and storing values
  from index \a start in this SoMFVec3d's array.

  If \a start + \a num is larger than the current number of elements
  in the SoMFVec3d field, this method will automatically expand the
  field to accommodate all given double-vector element values.
*/
void
SoMFVec3d::setValues(const int start, const int numarg, const double xyz[][3])
{
  if (start+numarg > this->maxNum) this->allocValues(start+numarg);
  else if (start+numarg > this->num) this->num = start+numarg;

  for(int i=0; i < numarg; i++) this->values[start+i] = SbVec3d(xyz[i]);
  this->valueChanged();
}

/*!
  Set the vector at \a idx.
*/
void
SoMFVec3d::set1Value(const int idx,
                     const double x, const double y, const double z)
{
  this->set1Value(idx, SbVec3d(x, y, z));
}

/*!
  Set the vector at \a idx.
*/
void
SoMFVec3d::set1Value(const int idx, const double xyz[3])
{
  this->set1Value(idx, SbVec3d(xyz));
}

/*!
  Set this field to contain a single vector with the given
  element values.
*/
void
SoMFVec3d::setValue(const double x, const double y, const double z)
{
  this->setValue(SbVec3d(x, y, z));
}

/*!
  Set this field to contain a single vector with the given
  element values.
*/
void
SoMFVec3d::setValue(const double xyz[3])
{
  if (xyz == NULL) this->setNum(0);
  else this->setValue(SbVec3d(xyz));
}

// *************************************************************************