Is there no routine to find Geode under constructed tree?

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Masahiko Yamanaka (wry++at++dimwit.dst.nk-exa.co.jp)
Wed, 19 Jan 94 15:31:32 +0900

I wanted to use pfBillboard( a kind of pfGeode ).
Models had been constructed with MultiGen.

When I used pfBillboard, I did follows...

  pfBillboard *bboard = pfNewBboard;
  pfAddGSet( (pfGeode *)bboard, geoSet );

So, I had to find the geoSet from the top node of MultiGen data structure.
And made a following routine.

pfGeode *
findGeode( pfNode *group )
{
  long n1 = pfGetNumChildren( group );
  long i;
  for( i=0; i<n1; i++ )
  {
    pfNode *child = pfGetChild( group, i );
    if( pfGetType( (void *)child ) & PFTYPE_GEODE ) return (pfGeode *)child;
    if( pfGetType( (void *)child ) & PFTYPE_GROUP )
    {
      pfGeode *geode;
      if( (geode = findGeode( child )) != NULL ) return geode;
    }
  }
  return NULL;
}

My MultiGen data file has only one geode.
This routine has been executed well for me.

But, if there is really no routine to find Geode in Performer, I think it is better
that there is a routine like mine.

How do you think abount this?

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