void VrmlNodeGroup::addChildren(const VrmlMFNode &children)
{
int nNow = d_children.size();
int n = children.size();
for (int i = 0; i < n; ++i)
{
VrmlNode *child = children[i];
if (child == NULL)
{
continue;
}
child->parentList.push_back(this);
if (child->getTraversalForce() > 0)
{
forceTraversal(false, child->getTraversalForce());
}
VrmlNodeProto *p = 0;
// Add legal children and un-instantiated EXTERNPROTOs
// Is it legal to add null children nodes?
if (child == 0 || child->toChild() || ((p = child->toProto()) != 0 && p->size() == 0))
{
d_children.addNode(child);
if (child)
{
child->addToScene(d_scene, d_relative.get());
child->accumulateTransform(d_parentTransform);
}
}
else
System::the->error("Error: Attempt to add a %s node as a child of a %s node.\n",
child->nodeType()->getName(), nodeType()->getName());
}
if (nNow != d_children.size())
{
//??eventOut( d_scene->timeNow(), "children_changed", d_children );
setModified();
}
}
//
// 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();
}