C++ ObjectIterator::getNext方法代码示例

//!
//! 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);
    }
}

void CSaveSceneView::SceneNodeExplore(Ogre::SceneNode *SceneNode)
{
	Ogre::Entity *Entity = NULL;
	Ogre::Camera *Camera = NULL;
	Ogre::Light *Light = NULL;
	Ogre::ParticleSystem *ParticleSystem = NULL;
	Ogre::ManualObject *ManualObject = NULL;
	Ogre::BillboardSet *BillboardSet = NULL;

	xmlTextWriterStartElement(m_XmlWriter, BAD_CAST "SceneNode");
	
	Ogre::String SceneNodeName = SceneNode->getName();

	xmlTextWriterWriteAttribute(m_XmlWriter, 
										BAD_CAST "SceneNodeName",
										BAD_CAST SceneNodeName.c_str());

	Ogre::SceneNode::ObjectIterator obji = SceneNode->getAttachedObjectIterator();

	while (obji.hasMoreElements())
	{
		Ogre::MovableObject* mobj = obji.getNext();
	
		Ogre::String Type = mobj->getMovableType();
	
		if (Type == "Entity")
		{
			Entity = (Ogre::Entity *)(mobj);
			Ogre::String EntityName = Entity->getName();
			xmlTextWriterStartElement(m_XmlWriter, BAD_CAST "Entity");
			xmlTextWriterWriteAttribute(m_XmlWriter, 
										BAD_CAST "EntityName",
										BAD_CAST EntityName.c_str());

			Ogre::MeshPtr Mesh = Entity->getMesh();
			Ogre::String MeshName = Mesh->getName();
			xmlTextWriterWriteAttribute(m_XmlWriter, 
										BAD_CAST "MeshName",
										BAD_CAST MeshName.c_str());
			xmlTextWriterEndElement(m_XmlWriter); 
		}
		
		if (Type == "Camera")
		{
			Camera = (Ogre::Camera *)(mobj);
			Ogre::String CameraName = Camera->getName();
			xmlTextWriterStartElement(m_XmlWriter, BAD_CAST "Camera");
			
			xmlTextWriterWriteAttribute(m_XmlWriter, 
										BAD_CAST "CameraName",
										BAD_CAST CameraName.c_str());
			
			Ogre::Vector3 CameraPosition = Camera->getPosition();
			
			xmlTextWriterWriteFormatAttribute(m_XmlWriter, 
										BAD_CAST "XPosition",
										"%f",CameraPosition.x);
			xmlTextWriterWriteFormatAttribute(m_XmlWriter, 
										BAD_CAST "YPosition",
										"%f",CameraPosition.y);
			xmlTextWriterWriteFormatAttribute(m_XmlWriter, 
										BAD_CAST "ZPosition",
										"%f",CameraPosition.z);

			Ogre::Vector3 CameraDirection = Camera->getDirection();

			xmlTextWriterWriteFormatAttribute(m_XmlWriter, 
										BAD_CAST "XDirection",
										"%f",CameraDirection.x);
			xmlTextWriterWriteFormatAttribute(m_XmlWriter, 
										BAD_CAST "YDirection",
										"%f",CameraDirection.y);
			xmlTextWriterWriteFormatAttribute(m_XmlWriter, 
										BAD_CAST "ZDirection",
										"%f",CameraDirection.z);

			xmlTextWriterEndElement(m_XmlWriter); 
		}

		if (Type == "Light")
		{
			Light = (Ogre::Light *)(mobj);
		}

		if (Type == "ParticleSystem")
		{
			ParticleSystem = (Ogre::ParticleSystem *)(mobj);
		}

		if (Type == "ManualObject")
		{
			ManualObject = (Ogre::ManualObject *)(mobj);
		}

		if (Type == "BillboardSet")
		{
			BillboardSet = (Ogre::BillboardSet *)(mobj);
		}

	}
//.........这里部分代码省略.........