void OLMeshTracker::UpdateSubNodes(Ogre::Node* regionNode, Ogre::Node* node, bool recurse, Ogre::MeshPtr meshP) {
if (recurse && node->numChildren() > 0) {
// if node has more children nodes, visit them recursivily
Ogre::SceneNode::ChildNodeIterator nodeChildIterator = node->getChildIterator();
while (nodeChildIterator.hasMoreElements()) {
Ogre::Node* nodeChild = nodeChildIterator.getNext();
// 'false' causes it to not visit sub-children which are included in parent and pos relative to parent
UpdateSubNodes(regionNode, nodeChild, true, meshP);
}
}
// children taken care of... check for attached objects to this node
Ogre::SceneNode* snode = (Ogre::SceneNode*)node;
Ogre::SceneNode::ObjectIterator snodeObjectIterator = snode->getAttachedObjectIterator();
while (snodeObjectIterator.hasMoreElements()) {
Ogre::MovableObject* snodeObject = snodeObjectIterator.getNext();
if (snodeObject->getMovableType() == "Entity") {
Ogre::Entity* snodeEntity = (Ogre::Entity*)snodeObject;
Ogre::MeshPtr entityMesh = snodeEntity->getMesh();
if (entityMesh == meshP) {
snode->needUpdate(true);
// LG::Log("OLMeshTracker::UpdateSubNodes: setting node update for %s", snode->getName().c_str());
}
}
}
return;
}
//!
//! Returns the first movable object of the given type name contained in
//! the given scene node.
//!
//! \param sceneNode The scene node to find the first object in.
//! \param typeName The name of the type of objects to look for.
//! \return The first movable object of the given type name contained in the given scene node.
//!
Ogre::MovableObject * OgreTools::findFirstObject ( Ogre::SceneNode *sceneNode, const QString &typeName )
{
// make sure the given scene node is valid
if (!sceneNode) {
Log::error("The given scene node is invalid.", "OgreTools::findFirstObject");
return 0;
}
// iterate over the list of attached objects
Ogre::SceneNode::ObjectIterator objectIterator = sceneNode->getAttachedObjectIterator();
while (objectIterator.hasMoreElements()) {
Ogre::MovableObject *movableObject = objectIterator.getNext();
if (movableObject && QString::compare(movableObject->getMovableType().c_str(), typeName) == 0)
return movableObject;
}
// iterate over the list of child nodes
Ogre::SceneNode::ChildNodeIterator childIter = sceneNode->getChildIterator();
while( childIter.hasMoreElements() ) {
Ogre::SceneNode *childSceneNode = (Ogre::SceneNode *) childIter.getNext();
return findFirstObject(childSceneNode, typeName);
}
return 0;
}
void MergeBounds(Ogre::SceneNode* node, Ogre::SceneNode* rootNode,
const Ogre::Matrix4& parentTransform, Ogre::AxisAlignedBox& aabb)
{
// Get this nodes current transform
Ogre::Matrix4 currentTransform = parentTransform;
if (node != rootNode)
{
Ogre::Matrix4 localTransform(node->getOrientation());
localTransform.setTrans(node->getPosition());
currentTransform = currentTransform * localTransform;
}
// Merge this nodes objects
Ogre::SceneNode::ObjectIterator object = node->getAttachedObjectIterator();
while (object.hasMoreElements())
{
Ogre::AxisAlignedBox localAABB = object.getNext()->getBoundingBox();
localAABB.transform(currentTransform);
aabb.merge(localAABB);
}
// Iterate through all children and call this function on them
Ogre::SceneNode::ChildNodeIterator child = node->getChildIterator();
while (child.hasMoreElements())
{
MergeBounds(static_cast<Ogre::SceneNode*>(child.getNext()), rootNode, currentTransform, aabb);
}
}
void OLMeshTracker::UpdateSceneNodesForMesh(Ogre::MeshPtr meshP) {
Ogre::SceneNode* nodeRoot = LG::RendererOgre::Instance()->m_sceneMgr->getRootSceneNode();
if (nodeRoot == NULL) return;
// Hanging off the root node will be a node for each 'region'. A region has
// terrain and then content nodes
Ogre::SceneNode::ChildNodeIterator rootChildIterator = nodeRoot->getChildIterator();
while (rootChildIterator.hasMoreElements()) {
Ogre::Node* nodeRegion = rootChildIterator.getNext();
// a region node has the nodes of its contents.
UpdateSubNodes(nodeRegion, nodeRegion, true, meshP);
}
return;
}
//!
//! Creates a deep copy of the given scene node.
//!
//! \param sceneNode The scene node to copy.
//! \param sceneNodeCopy The scene node to add the copied objects to (will be created if 0).
//! \param namePrefix The prefix to use for names of copied objects.
//! \param sceneManager The scene manager to use for creating the object.
//!
void OgreTools::deepCopySceneNode ( Ogre::SceneNode *sceneNode, Ogre::SceneNode *&sceneNodeCopy, const QString &namePrefix, Ogre::SceneManager *sceneManager /* = 0 */ )
{
// make sure the given scene node is valid
if (!sceneNode) {
Log::error("The given scene node is invalid.", "OgreTools::deepCopySceneNode");
return;
}
// make sure a valid scene manager is available
if (!sceneManager)
sceneManager = sceneNode->getCreator();
if (!sceneManager) {
Log::error("No valid scene manager available.", "OgreTools::deepCopySceneNode");
return;
}
// create the target scene node if it doesn't exist yet
if (!sceneNodeCopy) {
QString sceneNodeCopyName = QString("%1_%2Copy").arg(namePrefix).arg(sceneNode->getName().c_str());
sceneNodeCopy = copySceneNode(sceneNode, sceneNodeCopyName, sceneManager);
if (!sceneNodeCopy) {
Log::error("The scene node could not be copied.", "OgreTools::deepCopySceneNode");
return;
}
}
// iterate over the list of attached objects
Ogre::SceneNode::ObjectIterator objectIterator = sceneNode->getAttachedObjectIterator();
while (objectIterator.hasMoreElements()) {
Ogre::MovableObject *movableObject = objectIterator.getNext();
if (movableObject) {
QString entityCopyName = QString("%1_%2Copy").arg(namePrefix).arg(movableObject->getName().c_str());
Ogre::MovableObject *movableObjectCopy = cloneMovableObject(movableObject, entityCopyName, sceneManager);
if (movableObjectCopy)
sceneNodeCopy->attachObject(movableObjectCopy);
}
}
// iterate over the list of child nodes
Ogre::SceneNode::ChildNodeIterator childNodeIterator = sceneNode->getChildIterator();
while (childNodeIterator.hasMoreElements() ) {
Ogre::SceneNode *childSceneNode = (Ogre::SceneNode *) childNodeIterator.getNext();
QString childSceneNodeCopyName = QString("%1_%2Copy").arg(namePrefix).arg(childSceneNode->getName().c_str());
Ogre::SceneNode *childSceneNodeCopy = copySceneNode(childSceneNode, childSceneNodeCopyName, sceneManager);
if (childSceneNodeCopy) {
sceneNodeCopy->addChild(childSceneNodeCopy);
deepCopySceneNode(childSceneNode, childSceneNodeCopy, namePrefix, sceneManager);
}
}
}
void CSVRender::Object::clearSceneNode (Ogre::SceneNode *node)
{
for (Ogre::SceneNode::ObjectIterator iter = node->getAttachedObjectIterator();
iter.hasMoreElements(); )
{
Ogre::MovableObject* object = dynamic_cast<Ogre::MovableObject*> (iter.getNext());
node->getCreator()->destroyMovableObject (object);
}
for (Ogre::SceneNode::ChildNodeIterator iter = node->getChildIterator();
iter.hasMoreElements(); )
{
Ogre::SceneNode* childNode = dynamic_cast<Ogre::SceneNode*> (iter.getNext());
clearSceneNode (childNode);
node->getCreator()->destroySceneNode (childNode);
}
}
void DestroyAllAttachedMovableObjects(Ogre::SceneNode* i_pSceneNode )
{
if (!i_pSceneNode )
return;
// Destroy all the attached objects
Ogre::SceneNode::ObjectIterator itObject = i_pSceneNode->getAttachedObjectIterator();
while (itObject.hasMoreElements() )
{
Ogre::MovableObject* pObject = static_cast<Ogre::MovableObject*>(itObject.getNext());
i_pSceneNode->getCreator()->destroyMovableObject(pObject);
}
// Recurse to child SceneNodes
Ogre::SceneNode::ChildNodeIterator itChild = i_pSceneNode->getChildIterator();
while (itChild.hasMoreElements() )
{
Ogre::SceneNode* pChildNode = static_cast<Ogre::SceneNode*>(itChild.getNext());
DestroyAllAttachedMovableObjects(pChildNode);
}
}
/// From http://www.ogre3d.org/forums/viewtopic.php?f=2&t=53647
inline void destroyAllAttachedMovableObjects(Ogre::SceneNode *node)
{
if(!node) return;
// Destroy all the attached objects
Ogre::SceneNode::ObjectIterator itObject = node->getAttachedObjectIterator(); // FIXME segmentation fault
while (itObject.hasMoreElements())
node->getCreator()->destroyMovableObject(itObject.getNext());
// Recurse to child SceneNodes
Ogre::SceneNode::ChildNodeIterator itChild = node->getChildIterator();
while ( itChild.hasMoreElements() )
{
Ogre::SceneNode* pChildNode = boost::polymorphic_cast<Ogre::SceneNode*>(itChild.getNext());
destroyAllAttachedMovableObjects(pChildNode);
}
}
//!
//! Remove and destroy this scene children.
//! \param The scenenode to be destroyed
//!
void Model2SceneNode::resizeNodes( Ogre::SceneNode* i_pSceneNode )
{
if ( !i_pSceneNode || i_pSceneNode->numChildren() == 0 )
return;
// Destroy all the attached objects
Ogre::SceneNode::ObjectIterator itObject = i_pSceneNode->getAttachedObjectIterator();
// Recurse to child SceneNodes
Ogre::SceneNode::ChildNodeIterator itChild = i_pSceneNode->getChildIterator();
while ( itChild.hasMoreElements() )
{
Ogre::SceneNode* pChildNode = static_cast<Ogre::SceneNode*>(itChild.getNext());
// obtain the OGRE scene manager
Ogre::SceneManager *sceneManager = OgreManager::getSceneManager();
if (pChildNode != m_sceneNode)
pChildNode->setScale(m_size);
}
}
//-----------------------------------------------------------------------
void SceneDecoratorExtern::_notifyStop (void)
{
if (mSubnode && mParentTechnique->getParentSystem())
{
Ogre::SceneNode* sceneNode = mParentTechnique->getParentSystem()->getParentSceneNode();
Ogre::SceneNode::ChildNodeIterator it = sceneNode->getChildIterator();
unsigned int i = 0;
while (it.hasMoreElements())
{
Ogre::SceneNode* child = static_cast<Ogre::SceneNode*>(it.getNext());
if (child == mSubnode)
{
mSubnode->detachAllObjects();
sceneNode->removeAndDestroyChild(i);
mSubnode = 0;
}
++i;
}
destroyEntity();
}
}
/* Removes all the entities of a sceneNode (recursively) */
void Util::removeAllEntities(Ogre::SceneNode *node)
{
ASSERT(node);
// Destroy all the attached objects
Ogre::SceneNode::ObjectIterator itObject =
node->getAttachedObjectIterator();
while (itObject.hasMoreElements())
{
Ogre::MovableObject* pObject =
static_cast<Ogre::MovableObject*> (itObject.getNext());
node->getCreator()->destroyMovableObject(pObject);
}
// Recurse to child SceneNodes
Ogre::SceneNode::ChildNodeIterator itChild = node->getChildIterator();
while (itChild.hasMoreElements())
{
Ogre::SceneNode* pChildNode = static_cast<Ogre::SceneNode*> (itChild.getNext());
removeAllEntities(pChildNode);
}
}
// BETWEEN FRAME OPERATION
void VisCalcFrustDist::calculateEntityVisibility(Ogre::Node* regionNode, Ogre::Node* node, bool recurse) {
if (recurse && node->numChildren() > 0) {
// if node has more children nodes, visit them recursivily
Ogre::SceneNode::ChildNodeIterator nodeChildIterator = node->getChildIterator();
while (nodeChildIterator.hasMoreElements()) {
Ogre::Node* nodeChild = nodeChildIterator.getNext();
// 'false' causes it to not visit sub-children which are included in parent and pos relative to parent
calculateEntityVisibility(regionNode, nodeChild, false);
visChildren++;
}
}
visNodes++;
// children taken care of... check fo attached objects to this node
Ogre::SceneNode* snode = (Ogre::SceneNode*)node;
// the camera needs to be made relative to the region
// Ogre::Vector3 relCameraPos = LG::RendererOgre::Instance()->m_camera->getPosition() - regionNode->getPosition();
// float snodeDistance = LG::RendererOgre::Instance()->m_camera->getPosition().distance(snode->_getWorldAABB().getCenter());
// float snodeDistance = relCameraPos.distance(snode->getPosition());
float snodeDistance = LG::RendererOgre::Instance()->m_camera->getDistanceFromCamera(regionNode, snode->getPosition());
Ogre::SceneNode::ObjectIterator snodeObjectIterator = snode->getAttachedObjectIterator();
while (snodeObjectIterator.hasMoreElements()) {
Ogre::MovableObject* snodeObject = snodeObjectIterator.getNext();
if (snodeObject->getMovableType() == "Entity") {
visEntities++;
Ogre::Entity* snodeEntity = (Ogre::Entity*)snodeObject;
// check it's visibility if it's not world geometry (terrain and ocean)
if ((snodeEntity->getQueryFlags() & Ogre::SceneManager::WORLD_GEOMETRY_TYPE_MASK) == 0) {
// computation if it should be visible
// Note: this call is overridden by derived classes that do fancier visibility rules
bool shouldBeVisible = this->CalculateVisibilityImpl(LG::RendererOgre::Instance()->m_camera, snodeEntity, snodeDistance);
if (snodeEntity->isVisible()) {
// we currently think this object is visible. make sure it should stay that way
if (shouldBeVisible) {
// it should stay visible
visVisToVis++;
}
else {
// not visible any more... make invisible nad unload it`
/*
Ogre::Vector3 cPos = LG::RendererOgre::Instance()->m_camera->getPosition();
Ogre::Vector3 rPos = regionNode->getPosition();
Ogre::Vector3 sPos = snode->getPosition();
LG::Log("VisToInVis: cPos=<%f,%f,%f>, rPos=<%f,%f,%f>, sPos(%s)=<%f,%f,%f>, d=%f",
cPos.x, cPos.y, cPos.z,
rPos.x, rPos.y, rPos.z,
snode->getName().c_str(),
sPos.x, sPos.y, sPos.z,
snodeDistance);
*/
snodeEntity->setVisible(false);
snode->needUpdate(true);
visVisToInvis++;
if (!snodeEntity->getMesh().isNull()) {
queueMeshUnload(snodeEntity->getMesh());
}
}
}
else {
// the entity currently thinks it's not visible.
// check to see if it should be visible by checking a fake bounding box
if (shouldBeVisible) {
// it should become visible again
if (!snodeEntity->getMesh().isNull()) {
// queueMeshLoad(snodeEntity, snodeEntity->getMesh());
LG::OLMeshTracker::Instance()->MakeLoaded(snodeEntity->getMesh()->getName(),
Ogre::String(""), Ogre::String("visible"), snodeEntity);
}
// snodeEntity->setVisible(true); // must happen after mesh loaded
visInvisToVis++;
}
else {
visInvisToInvis++;
}
}
}
}
}
}
//!
//! Deletes a whole scene node tree (including attached objects).
//!
//! \param sceneNode The scene node containing the tree to delete.
//! \param sceneManager The scene manager to use for destroying the scene node.
//! \param deleteRoot Flag to control whether to delete the given scene node.
//!
void OgreTools::deepDeleteSceneNode ( Ogre::SceneNode *sceneNode, Ogre::SceneManager *sceneManager /* = 0 */, bool deleteRoot /* = false */ )
{
// make sure the given scene node is valid
if (!sceneNode) {
Log::error("The given scene node is invalid.", "OgreTools::deepDeleteSceneNode");
return;
}
// make sure a valid scene manager is available
if (!sceneManager)
sceneManager = sceneNode->getCreator();
if (!sceneManager) {
Log::error("No valid scene manager available.", "OgreTools::deepDeleteSceneNode");
return;
}
// iterate over the list of attached objects
Ogre::SceneNode::ObjectIterator objectIterator = sceneNode->getAttachedObjectIterator();
while (objectIterator.hasMoreElements()) {
Ogre::MovableObject *movableObject = objectIterator.getNext();
sceneNode->detachObject(movableObject);
Ogre::SceneManager *movableSceneManager = movableObject->_getManager();
if (!movableSceneManager) {
Log::error("The Ogre scene manager could not be obtained.", "OgreTools::deepDeleteSceneNode");
return;
}
Ogre::Any customData = movableObject->getUserAny();
if (!customData.isEmpty()) {
OgreContainer *ogreContainer = Ogre::any_cast<OgreContainer *>(customData);
if (ogreContainer) {
delete ogreContainer;
ogreContainer = 0;
}
}
movableSceneManager->destroyMovableObject(movableObject);
}
// iterate over the list of child nodes
Ogre::SceneNode::ChildNodeIterator childNodeIterator = sceneNode->getChildIterator();
while (childNodeIterator.hasMoreElements()) {
Ogre::SceneNode *childSceneNode = dynamic_cast<Ogre::SceneNode *>(childNodeIterator.getNext());
if (childSceneNode) {
Ogre::Any customData = childSceneNode->getUserAny();
if (!customData.isEmpty()) {
OgreContainer *ogreContainer = Ogre::any_cast<OgreContainer *>(customData);
if (ogreContainer) {
delete ogreContainer;
ogreContainer = 0;
} else {
CameraInfo *cameraInfo = Ogre::any_cast<CameraInfo *>(customData);
if (cameraInfo) {
delete cameraInfo;
cameraInfo = 0;
}
}
}
deepDeleteSceneNode(childSceneNode, sceneManager);
}
}
// destroy all child nodes of the given scene node
sceneNode->removeAndDestroyAllChildren();
// check if the given scene node should be destroyed as well
if (deleteRoot) {
Ogre::Any customData = sceneNode->getUserAny();
if (!customData.isEmpty()) {
OgreContainer *ogreContainer = Ogre::any_cast<OgreContainer *>(customData);
if (ogreContainer) {
delete ogreContainer;
ogreContainer = 0;
} else {
CameraInfo *cameraInfo = Ogre::any_cast<CameraInfo *>(customData);
if (cameraInfo) {
delete cameraInfo;
cameraInfo = 0;
}
}
}
sceneManager->destroySceneNode(sceneNode);
}
}