//
//  Vrml 97 library
//  Copyright (C) 1998 Chris Morley
//
//  %W% %G%
//  VrmlNodeNormal.cpp

#include "VrmlNodeNormal.h"
#include "VrmlNodeType.h"


static VrmlNode *creator( VrmlScene *s ) { return new VrmlNodeNormal(s); }


// Define the built in VrmlNodeType:: "Normal" fields

VrmlNodeType *VrmlNodeNormal::defineType(VrmlNodeType *t)
{
  static VrmlNodeType *st = 0;

  if (! t)
    {
      if (st) return st;
      t = st = new VrmlNodeType("Normal", creator);
    }

  VrmlNode::defineType(t);	// Parent class
  t->addExposedField("vector", VrmlField::MFVEC3F);

  return t;
}


VrmlNodeType *VrmlNodeNormal::nodeType() const { return defineType(0); }


VrmlNodeNormal::VrmlNodeNormal(VrmlScene *scene) : VrmlNode(scene)
{
}

VrmlNodeNormal::~VrmlNodeNormal()
{
}


VrmlNode *VrmlNodeNormal::cloneMe() const
{
  return new VrmlNodeNormal(*this);
}


VrmlNodeNormal* VrmlNodeNormal::toNormal() const
{ return (VrmlNodeNormal*) this; }


ostream& VrmlNodeNormal::printFields(ostream& os, int indent)
{
  if (d_vector.size() > 0) PRINT_FIELD(vector);
  return os;
}


// Set the value of one of the node fields.

void VrmlNodeNormal::setField(const char *fieldName,
			      const VrmlField &fieldValue)
{
  if TRY_FIELD(vector, MFVec3f)
  else
    VrmlNode::setField(fieldName, fieldValue);
}