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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 SbVec3d, SoSFVec3d, SoMFVec3f
*/

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

#include <Inventor/fields/SoMFVec3d.h>

#include <Inventor/errors/SoDebugError.h>

#include "fields/SoSubFieldP.h"
#include "fields/shared.h"

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

SO_MFIELD_SOURCE(SoMFVec3d, SbVec3d, const SbVec3d &);

SO_MFIELD_SETVALUESPOINTER_SOURCE(SoMFVec3d, SbVec3d, SbVec3d);
SO_MFIELD_SETVALUESPOINTER_SOURCE(SoMFVec3d, SbVec3d, double);

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

// 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(int start, 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(int idx, double x, double y, double z)
{
  this->set1Value(idx, SbVec3d(x, y, z));
}

/*!
  Set the vector at \a idx.
*/
void
SoMFVec3d::set1Value(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(double x, double y, 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));
}

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

#ifdef COIN_TEST_SUITE

BOOST_AUTO_TEST_CASE(initialized)
{
  SoMFVec3d field;
  BOOST_CHECK_MESSAGE(field.getTypeId() != SoType::badType(),
                      "missing class initialization");
  BOOST_CHECK_EQUAL(field.getNum(), 0);
}

#endif // COIN_TEST_SUITE
