bool AnimationCleanerVisitor::isValidAnimation(const osgAnimation::Animation& animation) const {
// a valid animation has at least one channel and all channels must be valid
const osgAnimation::ChannelList& channels = animation.getChannels();
for(osgAnimation::ChannelList::const_iterator channel = channels.begin() ; channel != channels.end() ; ++ channel) {
if(!channel->valid() || !isValidChannel(*channel->get())) {
return false;
}
}
return channels.size() > 0;
}
Animation::Animation(const osgAnimation::Animation& anim, const osg::CopyOp& copyop): osg::Object(anim, copyop),
_duration(anim._duration),
_originalDuration(anim._originalDuration),
_weight(anim._weight),
_startTime(anim._startTime),
_playmode(anim._playmode)
{
const ChannelList& cl = anim.getChannels();
for (ChannelList::const_iterator it = cl.begin(); it != cl.end(); ++it)
{
addChannel(it->get()->clone());
}
}
void AnimationCleanerVisitor::cleanAnimation(osgAnimation::Animation& animation) {
// remove animation's invalid channels
osgAnimation::ChannelList& channels = animation.getChannels();
osgAnimation::ChannelList invalids;
for(osgAnimation::ChannelList::iterator channel = channels.begin() ; channel != channels.end() ; ++ channel) {
if(channel->valid()) {
cleanChannel(*channel->get());
}
if(!channel->valid() || !isValidChannel(*channel->get())) {
invalids.push_back(channel->get());
}
}
for(osgAnimation::ChannelList::iterator invalid = invalids.begin() ; invalid != invalids.end() ; ++ invalid) {
animation.removeChannel(invalid->get());
}
}