bool initialize(const CommandLineArgumentWrapper& args) {
OpenSGSceneGraphInterface* sgIF =
dynamic_cast<OpenSGSceneGraphInterface*>(sceneGraphInterface);
// must exist because it is created by the OutputInterface
if (!sgIF) {
printd(ERROR, "GoingImmersive::initialize(): Unable to obtain SceneGraphInterface!\n");
return false;
} // if
// obtain the scene node from the SceneGraphInterface
NodeRecPtr scene = sgIF->getNodePtr();
// set root node to the responsible SceneManager (managed by OpenSGApplicationBase)
setRootNode(scene);
// set our transformation to the start transformation
TransformationData startTrans =
WorldDatabase::getEnvironmentWithId(1)->getStartTransformation(0);
localUser->setNavigatedTransformation(startTrans);
//----------------------------------------------------------------------------//
// Snippet-3-5 //
//----------------------------------------------------------------------------//
//----------------------------------------------------------------------------//
// Snippet-4-2 //
//----------------------------------------------------------------------------//
//----------------------------------------------------------------------------//
// Snippet-1-1 //
//----------------------------------------------------------------------------//
return true;
} // initialize
void MeshSkin::setRootJoint(Joint* joint)
{
if (_rootJoint)
{
if (_rootJoint->getParent())
{
_rootJoint->getParent()->removeListener(this);
}
}
_rootJoint = joint;
// If the root joint has a parent node, register for its transformChanged event
if (_rootJoint && _rootJoint->getParent())
{
_rootJoint->getParent()->addListener(this, 1);
}
Node* newRootNode = _rootJoint;
if (newRootNode)
{
// Find the top level parent node of the root joint
for (Node* node = newRootNode->getParent(); node != NULL; node = node->getParent())
{
if (node->getParent() == NULL)
{
newRootNode = node;
break;
}
}
}
setRootNode(newRootNode);
}
void XbelTree::CreateHeaderFolder(QDomElement *fold, QString name, int type) {
if( domDocument.isNull() ){
setRootNode();
}
QDomElement root = domDocument.documentElement();
*fold = domDocument.createElement("folder");
QDomElement title = domDocument.createElement("title");
QDomText text = domDocument.createTextNode(name);
title.appendChild(text);
fold->appendChild(title);
fold->setAttribute("folded", "yes");
fold->setAttribute("device", devices++);
fold->setAttribute("type", type);
root.appendChild(*fold);
}
void Node::operator =(Node* node)
{
(*this) = (*node);
prev = 0L;
next = 0L;
parent = 0L;
child = 0L;
listItem = 0L;
groupElementLists.clear();
group = 0L;
groupTag = 0L;
#ifdef BUILD_KAFKAPART
setRootNode(0L);
setLeafNode(0L);
#endif
tag = new Tag(*(node->tag));
}
PhysXRigidBody::PhysXRigidBody(
PxPhysics* PxDevice, PhysXMaterial* Material, const ERigidBodies Type,
scene::SceneNode* RootNode, const SRigidBodyConstruction &Construct) :
BaseObject ( ),
PhysicsBaseObject ( ),
RigidBody (Type, Construct),
PhysXBaseObject (Material ),
PxActor_ (0 )
{
if (!PxDevice || !RootNode || !Material)
throw io::stringc("Invalid arguments for rigid body");
/* Create dynamic rigid body */
PxBaseActor_ = PxActor_ = PxDevice->createRigidDynamic(
PxTransform(PxMat44(RootNode->getTransformMatrix(true).getArray()))
);
PxBaseActor_->userData = RootNode;
if (!PxActor_)
throw io::stringc("Could not create PhysX actor for rigid body");
/* Create base shape */
switch (Type)
{
case RIGIDBODY_BOX: createBox (Construct); break;
case RIGIDBODY_SPHERE: createSphere (Construct); break;
case RIGIDBODY_CAPSULE: createCapsule (Construct); break;
default:
throw io::stringc("Unsupported rigid body type");
}
/* Initialize root node and actor */
setRootNode(RootNode);
setMass(1.0f);
}
QSGRenderer::~QSGRenderer()
{
setRootNode(0);
delete m_node_updater;
}
Scenegraph::Scenegraph(std::string scenegraphName)
{
m_scenegraphName = scenegraphName;
setRootNode(new Node("Root"));
getRootNode()->setIdentityMatrix_ModelMatrix();
}
CallstackProfiler::~CallstackProfiler()
{
setRootNode(nullptr);
}
ImageModel::ImageModel(const QList<QList<QVariant> > &data, QObject *parent) :
BasicModel(parent)
{
setRootNode(new ImageItem(data, true));
}
uSOAP::SOAPResponse::SOAPResponse() {
setRootNode(uSOAP::SOAP::CreateEnvelopeBodyNode());
setContentType(uXML::XML::CONTENT_TYPE);
}
void
XmlOutputter::write()
{
setRootNode();
m_stream << m_xml->toString();
}
void BPlusTree::_remove(Block blk, AttrType k) {
Node node(blk);
int i;
std::cout << "BPlusTree::_remove == k " << k.datai << std::endl;
std::cout << "BPlusTree::_remove == blk.pos " << blk.pos << std::endl;
// delete the corresponding p, k at first
for( i = 0; i < node.getKSize(); i++ ) {
if( node.getK(i) == k ) {
node.remove(k, node.getP(i), i);
break;
}
}
// then check whether the size of the node is too small
bool isRootWithSoleChild = node.isRoot() && !node.isLeaf() && node.getPSize() == 1;
bool isNotRootAndTooSmall = ( node.isLeaf() && node.getKSize() < fanout / 2 ) || ( !node.isLeaf() && node.getKSize() < (fanout+1) / 2 );
isNotRootAndTooSmall = isNotRootAndTooSmall && node.isRoot();
if( isRootWithSoleChild ) { // If the root node has only one pointer after deletion, it is deleted and the sole child becomes the root.
Block soleChildBlk;
bufferManager->getBlock(filename, node.getP(0), soleChildBlk);
Node soleChildNode(soleChildBlk);
soleChildNode.setRoot(true);
setRootNode(soleChildNode);
setRootPos(soleChildBlk.getPos());
soleChildNode.write2Blk(soleChildBlk, typeId, strLen, bufferManager);
bufferManager->deleteBlock(blk);
return;
}
else if( isNotRootAndTooSmall ) {
Block parentBlk;
Block siblingBlk;
Node siblingNode;
AttrType nk;
std::cout << "isNotRootAndTooSmall" << std::endl;
std::cout << "stk.top() = " << stk.top() << std::endl;
stk.pop();
std::cout << "parentBlk pos = " << stk.size() << std::endl;
bufferManager->getBlock(filename, stk.top(), parentBlk);
//stk.pop();
Node parentNode(parentBlk);
std::cout << "f**k" << std::endl;
// find sibling
bool isLeftSibling = true;
int siblingPos;
for( i = 0; i < parentNode.getPSize(); i++ ) {
if( parentNode.getP(i) == blk.getPos() ) {
if( i > 0 ) {
siblingPos = parentNode.getP(i-1);
nk = parentNode.getK(i);
}
else {
siblingPos = parentNode.getP(i+1);
nk = parentNode.getK(i);
isLeftSibling = false;
}
std::cout << "siblingPos " << siblingPos/BLOCK_SIZE << std::endl;
bufferManager->getBlock(filename, siblingPos, siblingBlk);
siblingNode.resetByBlock(siblingBlk);
break;
}
}
std::cout << "success up to now" << std::endl;
// merge
if( !isLeftSibling ) {
std::swap(node, siblingNode);
std::swap(blk, siblingBlk);
}
if( siblingNode.isLeaf() ) {
siblingNode.popP();
}
else {
siblingNode.appendK(nk);
}
for( i = 0; i < node.getPSize(); i++ ) {
siblingNode.appendP(node.getP(i));
if( i < node.getPSize() - 1 ) {
siblingNode.appendK(node.getK(i));
}
}
for( i = 0; i < siblingNode.getPSize(); i++ ) {
std::cout << "siblingNode.getP[" << i << "] = " << siblingNode.getP(i) << std::endl;
}
for( i = 0; i < siblingNode.getKSize(); i++ ) {
std::cout << "siblingNode.getK[" << i << "] = " << siblingNode.getK(i).datai << std::endl;
}
if( siblingNode.getPSize() <= fanout ) { // can be merged
std::cout << "siblingNode.write2Blk -- siblingBlk.pos[] " << siblingBlk.pos << std::endl;
// siblingNode.write2Blk(siblingBlk, typeId, strLen, bufferManager);
// bufferManager->deleteBlock(blk);
siblingNode.write2Blk(blk, typeId, strLen, bufferManager);
bufferManager->deleteBlock(siblingBlk);
_remove(parentBlk, nk);
}
else { // split
Node n1(false, false), n2(false, false);
for( i = 0; i < (siblingNode.getPSize() + 1) / 2 - 1; i++ ) {
n1.appendK(siblingNode.getK(i));
n1.appendP(siblingNode.getP(i));
}
n1.appendP(siblingNode.getP(i));
for( i = (siblingNode.getPSize() + 1) / 2; i < (siblingNode.getPSize() + 1) / 2; i++ ) {
n2.appendK(siblingNode.getK(i));
n2.appendP(siblingNode.getP(i));
}
n2.appendP(siblingNode.getP(i));
n1.write2Blk(siblingBlk, typeId, strLen, bufferManager);
n2.write2Blk(blk, typeId, strLen, bufferManager);
if( !isLeftSibling ) {
std::swap(blk, siblingBlk);
}
}
}
else {
node.write2Blk(blk, typeId, strLen, bufferManager);
}
}
void BPlusTree::_insertNewBlk(Block &blk1, const AttrType &k, Block &blk2) {
Node n1 = Node(blk1), n2 = Node(blk2);
int i;
if( n1.isRoot() ) {
Node newNode(true, false);
Block newBlk = bufferManager->newBlock(filename);
newNode.appendP(blk1.getPos());
newNode.appendK(k);
newNode.appendP(blk2.getPos());
// update the former root and write it to block
n1.setRoot(false);
n1.write2Blk(blk1, typeId, strLen, bufferManager);
n2.setRoot(false);
std::cout << "_insertNewBlk == n1.isLeaf() " << (int)n1.isLeaf() << std::endl;
std::cout << "_insertNewBlk == n2.isLeaf() " << (int)n2.isLeaf() << std::endl;
n2.write2Blk(blk2, typeId, strLen, bufferManager);
// update the B+ tree and write new parent to block
setRootNode(newNode);
setRootPos(newBlk.getPos());
newNode.write2Blk(newBlk, typeId, strLen, bufferManager);
}
else {
// retrieve the parent
stk.pop();
Block opBlk;
bufferManager->getBlock(filename, stk.top(), opBlk);
Node opNode(opBlk);
for( i = 0; i < opNode.getPSize(); i++ ) {
if( opNode.getP(i) == blk1.getPos() ) {
opNode.insert(k, blk2.getPos(), i+1);
}
}
if( opNode.getKSize() < fanout ) {
opNode.write2Blk(opBlk, typeId, strLen, bufferManager);
}
else { // this parent node still need to split
Node npNode1(false, true), npNode2(false, true);
Block npBlk = bufferManager->newBlock(filename);
npNode1.setRoot(opNode.isRoot());
npNode2.setRoot(opNode.isRoot());
npNode1.setLeaf(opNode.isLeaf());
npNode2.setLeaf(opNode.isLeaf());
for( i = 0; i < (fanout + 1) / 2 - 1; i++ ) {
npNode1.appendK(opNode.getK(i));
npNode1.appendP(opNode.getP(i));
}
AttrType nk = opNode.getK(i);
npNode1.appendP(opNode.getP(i));
for( i = (fanout + 1) / 2; i < fanout; i++ ) {
npNode2.appendK(opNode.getK(i));
npNode2.appendP(opNode.getP(i));
}
npNode2.appendP(opNode.getP(i));
npNode1.write2Blk(opBlk, typeId, strLen, bufferManager);
npNode2.write2Blk(npBlk, typeId, strLen, bufferManager);
_insertNewBlk(opBlk, nk, npBlk);
}
}
}
