コード例 #1
0
ファイル: VrmlScene.cpp プロジェクト: DimondTheCat/xray
void VrmlScene::replaceWorld( VrmlMFNode &nodes, VrmlNamespace *ns,
			      Doc *url, Doc *urlLocal )
{
  theSystem->debug("replaceWorld( url %s )\n", url->url());

  delete d_namespace;
  delete d_url;
  delete d_urlLocal;

  d_namespace = ns;
  d_url = url;
  d_urlLocal = urlLocal;

  // Clear bindable stacks.
  bindableRemoveAll( d_backgroundStack ); 
  bindableRemoveAll( d_fogStack ); 
  bindableRemoveAll( d_navigationInfoStack ); 
  bindableRemoveAll( d_viewpointStack );

  // Get rid of current world: pending events, nodes.
  flushEvents();
  d_nodes.removeChildren();

  // Do this to set the relative URL
  d_nodes.addToScene( (VrmlScene *) this, urlDoc()->url() );

  // Add the nodes to a Group and put the group in the scene.
  // This will load EXTERNPROTOs and Inlines.
  d_nodes.addChildren( nodes );

  // Send initial set_binds to bindable nodes
  double timeNow = theSystem->time();
  VrmlSFBool flag(true);
  VrmlNode *bindable = 0;	// compiler warning

  if (d_backgrounds->size() > 0 &&
      (bindable = d_backgrounds->front()) != 0)
    bindable->eventIn( timeNow, "set_bind", &flag );

  if (d_fogs->size() > 0 &&
      (bindable = d_fogs->front()) != 0)
    bindable->eventIn( timeNow, "set_bind", &flag );

  if (d_navigationInfos->size() > 0 &&
      (bindable = d_navigationInfos->front()) != 0)
    bindable->eventIn( timeNow, "set_bind", &flag );

  if (d_viewpoints->size() > 0 &&
      (bindable = d_viewpoints->front()) != 0)
    bindable->eventIn( timeNow, "set_bind", &flag );

  // Notify anyone interested that the world has changed
  doCallbacks( REPLACE_WORLD );

  setModified();
}
コード例 #2
0
ファイル: VrmlScene.cpp プロジェクト: DimondTheCat/xray
bool VrmlScene::load(const char *url, const char *localCopy)
{
  // Look for '#Viewpoint' syntax. There ought to be a current
  // scene if this format is used.
  VrmlSFBool flag(true);
  if (*url == '#')
    {
      VrmlNode *vp = d_namespace ? d_namespace->findNode(url+1) : 0;

      // spec: ignore if named viewpoint not found
      if (vp)
	{
	  vp->eventIn( theSystem->time(), "set_bind", &flag );
	  setModified();
	}

      return true;
    }

  // Try to load a file. Prefer a local copy if available.
  Doc *tryUrl;
  if (localCopy)
    tryUrl = new Doc( localCopy, 0 );
  else
    tryUrl = new Doc( url, d_url);

  VrmlNamespace *newScope = new VrmlNamespace();
  VrmlMFNode *newNodes = readWrl( tryUrl, newScope );
  if ( newNodes )
    {
      Doc *sourceUrl = tryUrl, *urlLocal = 0;
      if (localCopy)
	{
	  sourceUrl = new Doc( url );
	  urlLocal = tryUrl;
	}
      
      replaceWorld( *newNodes, newScope, sourceUrl, urlLocal );
      delete newNodes;

      // Look for '#Viewpoint' syntax
      if ( sourceUrl->urlModifier() )
	{
	  VrmlNode *vp = d_namespace->findNode( sourceUrl->urlModifier()+1 );
	  double timeNow = theSystem->time();
	  if (vp)
	    vp->eventIn( timeNow, "set_bind", &flag );
	}

      return true;      // Success.
    }

  delete tryUrl;
  return false;
}
コード例 #3
0
ファイル: VrmlScene.cpp プロジェクト: DimondTheCat/xray
//
// The update method is where the events are processed. It should be
// called after each frame is rendered.
//
bool VrmlScene::update( double timeStamp )
{
  if (timeStamp <= 0.0) timeStamp = theSystem->time();
  VrmlSFTime now( timeStamp );

  d_deltaTime = DEFAULT_DELTA;

  // Update each of the timers.
  VrmlNodeList::iterator i, end = d_timers->end();
  for (i = d_timers->begin(); i != end; ++i)
    {
      VrmlNodeTimeSensor *t = (*i)->toTimeSensor();
      if (t) t->update( now );
    }

  // Update each of the clips.
  end = d_audioClips->end();
  for (i = d_audioClips->begin(); i != end; ++i)
    {
      VrmlNodeAudioClip *c = (*i)->toAudioClip();
      if (c) c->update( now );
    }

  // Update each of the scripts.
  end = d_scripts->end();
  for (i = d_scripts->begin(); i != end; ++i)
    {
      VrmlNodeScript *s = (*i)->toScript();
      if (s) s->update( now );
    }

  // Update each of the movies.
  end = d_movies->end();
  for (i = d_movies->begin(); i != end; ++i)
    {
      VrmlNodeMovieTexture *m =  (*i)->toMovieTexture();
      if (m) m->update( now );
    }


  // Pass along events to their destinations
  while (d_firstEvent != d_lastEvent &&
	 ! d_pendingUrl && ! d_pendingNodes)
    {
      Event *e = &d_eventMem[d_firstEvent];
      d_firstEvent = (d_firstEvent+1) % MAXEVENTS;

      // Ensure that the node is in the scene graph
      VrmlNode *n = e->toNode;
      if (this != n->scene())
	{
	  theSystem->debug("VrmlScene::update: %s::%s is not in the scene graph yet.\n",
			   n->nodeType()->getName(), n->name());
	  n->addToScene((VrmlScene*)this, urlDoc()->url() );
	}
      n->eventIn(e->timeStamp, e->toEventIn, e->value);
      // this needs to change if event values are shared...
      delete e->value;
    }

  if (d_pendingNodes)
    {
      replaceWorld( *d_pendingNodes, d_pendingScope );
      delete d_pendingNodes;
      d_pendingNodes = 0;
      d_pendingScope = 0;
    }
  else if (d_pendingUrl)
    {
      (void) loadUrl( d_pendingUrl, d_pendingParameters );
      delete d_pendingUrl;
      delete d_pendingParameters;
      d_pendingUrl = 0;
      d_pendingParameters = 0;
    }

  // Signal a redisplay if necessary
  return isModified();
}