bool findGroupAnimationNodes(domCOLLADA* dom, std::vector<std::string>& nodesToGroup)
{
bool groupPossible = false;
const domLibrary_controllers_Array& controllersArrays = dom->getLibrary_controllers_array();
size_t controllersArraysCount = controllersArrays.getCount();
for (size_t i = 0; i < controllersArraysCount; ++i)
{
const domLibrary_controllersRef& libraryController = controllersArrays.get(i);
const domController_Array& controllerArray = libraryController->getController_array();
size_t controllerCount = controllerArray.getCount();
for (size_t j = 0; j < controllerCount; ++j)
{
const domControllerRef& controllerRef = controllerArray.get(j);
const domSkinRef& skinRef = controllerRef->getSkin();
if (skinRef.cast() != NULL)
{
domSkin::domJointsRef joints = skinRef->getJoints();
domInputLocal_Array& jointInputs = joints->getInput_array();
for (unsigned int i = 0; i < jointInputs.getCount(); ++i)
{
domInputLocalRef input = jointInputs.get(i);
std::string inputSemantic = std::string(input->getSemantic());
domURIFragmentType* sourceURI = &input->getSource();
sourceURI->resolveElement();
const domSourceRef source = (domSource*)(daeElement*)sourceURI->getElement();
if (equals(inputSemantic, "JOINT"))
{
std::list<domChannelRef> channels;
std::list<domNodeRef> nodes;
findChannelsTargetingJoints(source, channels, nodes);
// If the channels don't share the same animation then they can be grouped.
if (!sameAnimation(channels))
{
groupPossible = true;
domNode* parentMost = getCommonNodeAncestor(nodes);
nodesToGroup.push_back(parentMost->getId());
}
}
}
}
}
}
return groupPossible;
}
void GPBFile::groupMeshSkinAnimations()
{
for (std::list<Node*>::iterator it = _nodes.begin(); it != _nodes.end(); ++it)
{
if (Model* model = (*it)->getModel())
{
if (MeshSkin* skin = model->getSkin())
{
const std::vector<Node*>& joints = skin->getJoints();
Node* commonAncestor = getCommonNodeAncestor(joints);
if (commonAncestor)
{
// group the animation channels that target this common ancestor and its child nodes
Animation* animation = new Animation();
animation->setId("animations");
moveAnimationChannels(commonAncestor, animation);
_animations.add(animation);
}
}
}
}
}
