Function recomputeFrameRangeForAllReadersInternal

Engine/NodeGroup.cpp:950–977

}

static void
recomputeFrameRangeForAllReadersInternal(NodeCollection* group,
                                         int* firstFrame,
                                         int* lastFrame,
                                         bool setFrameRange)
{
    NodesList nodes = group->getNodes();

    for (NodesList::iterator it = nodes.begin(); it != nodes.end(); ++it) {
        if ( (*it)->isActivated() ) {
            if ( (*it)->getEffectInstance()->isReader() ) {
                double thisFirst, thislast;
                (*it)->getEffectInstance()->getFrameRange_public( (*it)->getHashValue(), &thisFirst, &thislast );
                if (thisFirst != std::numeric_limits<int>::min()) {
                    *firstFrame = setFrameRange ? thisFirst : std::min(*firstFrame, (int)thisFirst);
                }
                if (thislast != std::numeric_limits<int>::max()) {
                    *lastFrame = setFrameRange ? thislast : std::max(*lastFrame, (int)thislast);
                }
            } else {
                NodeGroup* isGrp = (*it)->isEffectGroup();
                if (isGrp) {
                    recomputeFrameRangeForAllReadersInternal(isGrp, firstFrame, lastFrame, false);
                }
            }
        }
    }
}

void
NodeCollection::recomputeFrameRangeForAllReaders(int* firstFrame,