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;
}
Exemple #2
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//!
//! 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;
}
Exemple #3
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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;
}
Exemple #5
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//!
//! 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);
        }
    }
}
Exemple #6
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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);
   }
}
Exemple #7
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		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);
			}
		}
Exemple #8
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/// 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();
		}
	}
Exemple #11
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/* 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++;
					}
				}
			}
		}
	}
}
Exemple #13
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//!
//! 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);
    }
}