Source

Coin / src / fields / SoMFVec3s.cpp

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/*!
  \class SoMFVec3s SoMFVec3s.h Inventor/fields/SoMFVec3s.h
  \brief The SoMFVec3s class is a container for SbVec3s vectors.
  \ingroup fields

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

  This field supports application data sharing through a
  setValuesPointer() method. See SoMField documentation for
  information on how to use this function.

  \sa SbVec3s, SoSFVec3s
  \COIN_CLASS_EXTENSION
  \since Coin 2.5
*/

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

#include <Inventor/fields/SoMFVec3s.h>

#include <cassert>

#include <Inventor/SoInput.h>
#include <Inventor/errors/SoDebugError.h>

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

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

SO_MFIELD_SOURCE(SoMFVec3s, SbVec3s, const SbVec3s &);

SO_MFIELD_SETVALUESPOINTER_SOURCE(SoMFVec3s, SbVec3s, SbVec3s);
SO_MFIELD_SETVALUESPOINTER_SOURCE(SoMFVec3s, SbVec3s, short);

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

// Override from parent class.
void
SoMFVec3s::initClass(void)
{
  SO_MFIELD_INTERNAL_INIT_CLASS(SoMFVec3s);
}

// 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
SoMFVec3s::read1Value(SoInput * in, int idx)
{
#if 1 // 12-25% speed increase when this is activated. pederb, 2004-02-17
  assert(idx < this->maxNum);
  return
    in->read(this->values[idx][0]) &&
    in->read(this->values[idx][1]) &&
    in->read(this->values[idx][2]);
#else // end of new, optimized version
  SbVec3s v;
  if (!sosfvec3s_read_value(in, v)) return FALSE;
  this->set1Value(idx, v);
  return TRUE;
#endif // old, slower version
}

void
SoMFVec3s::write1Value(SoOutput * out, int idx) const
{
  sosfvec3s_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 float-triplet vector array and storing values
  from index \a start in this SoMFVec3f's array.

  If \a start + \a num is larger than the current number of elements
  in the SoMFVec3f field, this method will automatically expand the
  field to accommodate all given float-vector element values.
*/
void
SoMFVec3s::setValues(int start, int numarg, const short 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] = SbVec3s(xyz[i]);
  this->valueChanged();
}

/*!
  Set the vector at \a idx.
*/
void
SoMFVec3s::set1Value(int idx, short x, short y, short z)
{
  this->set1Value(idx, SbVec3s(x, y, z));
}

/*!
  Set the vector at \a idx.
*/
void
SoMFVec3s::set1Value(int idx, const short xyz[3])
{
  this->set1Value(idx, SbVec3s(xyz));
}

/*!
  Set this field to contain a single vector with the given
  element values.
*/
void
SoMFVec3s::setValue(short x, short y, short z)
{
  this->setValue(SbVec3s(x, y, z));
}

/*!
  Set this field to contain a single vector with the given
  element values.
*/
void
SoMFVec3s::setValue(const short xyz[3])
{
  if (xyz == NULL) this->setNum(0);
  else this->setValue(SbVec3s(xyz));
}

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

#ifdef COIN_TEST_SUITE

BOOST_AUTO_TEST_CASE(initialized)
{
  SoMFVec3s field;
  BOOST_CHECK_MESSAGE(field.getTypeId() != SoType::badType(),
                      "missing class initialization");
  BOOST_CHECK_EQUAL(field.getNum(), 0);
}

#endif // COIN_TEST_SUITE
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