C++ SceneNode::getUserAny方法代码示例

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void
RenderingCanvas::querySceneNodes(Math::Real _x, Math::Real _y, I_SceneNodeVisitor& _visitor)
{
    Ogre::Camera& camera = m_pCurrentCamera->getOgreCamera();
    Ogre::Vector3 position;
    if( camera.getParentSceneNode() )
    {
        position = camera.getParentSceneNode()->_getDerivedPosition();
    }
    else
    {
        position = camera.getDerivedPosition();
    }

    Ogre::RaySceneQuery* pSceneQuery =
        m_pSceneManager->createRayQuery(camera.getCameraToViewportRay(_x, _y));
    pSceneQuery->setSortByDistance(true);

    Ogre::RaySceneQueryResult::const_iterator iter;
    const Ogre::RaySceneQueryResult& queryResult = pSceneQuery->execute();

    _visitor.begin();
    for(iter = queryResult.begin(); iter != queryResult.end(); iter++)
    {
        const Ogre::RaySceneQueryResultEntry& result = *iter;

        // Check to see if this is a scene node.
        if (result.movable != NULL)
        {
            Ogre::SceneNode *pNode = dynamic_cast<Ogre::SceneNode*>(result.movable->getParentSceneNode());
            if (pNode)
            {
                if (!pNode->getUserAny().isEmpty())
                {
                    SceneNode* pRawSceneNode = Ogre::any_cast<SceneNode*>(pNode->getUserAny());

                    I_SceneNodeVisitor::pSceneNode_type pSceneNode(pRawSceneNode->getSelfReference().lock());

                    _visitor.visit(pSceneNode);
                }
            }
        }
    }
    _visitor.end();

    delete pSceneQuery;
}

//!
//! 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);
    }
}

bool CombatSetupWnd::EventFilter(GG::Wnd* w, const GG::WndEvent& event) {
    // Turn off all event handling to lock down CombatWnd.
    if (m_setup_finished_waiting_for_server)
        return true;

    bool retval = false;
    if (event.Type() == GG::WndEvent::LButtonDown) {
        Ogre::MovableObject* movable_object = 0;
        if (!PlaceableShipNode() && (movable_object = m_get_object_under_pt(event.Point()))) {
            Ogre::SceneNode* node = movable_object->getParentSceneNode();
            if (Ogre::any_cast<Ship*>(&node->getUserAny())) {
                m_button_press_placed_ship_node = node;
                assert(m_button_press_placed_ship_node);
                m_button_press_on_placed_ship = event.Point();
            }
        }
        m_dragging_placed_ship = false;
        m_mouse_dragged = false;
    } else if (event.Type() == GG::WndEvent::LDrag) {
        HandleMouseMoves(event.Point());
        if (m_button_press_placed_ship_node) {
            if (!m_dragging_placed_ship) {
                const int DRAG_THRESHOLD = 5;
                GG::Pt delta = event.Point() - m_button_press_on_placed_ship;
                if (DRAG_THRESHOLD < std::abs(Value(delta.x)) + std::abs(Value(delta.y)))
                    m_dragging_placed_ship = true;
            }
            if (m_dragging_placed_ship) {
                std::pair<bool, Ogre::Vector3> intersection = m_intersect_mouse_with_ecliptic(event.Point());
                Ship* ship = *Ogre::any_cast<Ship*>(&m_button_press_placed_ship_node->getUserAny());
                bool valid_location = intersection.first && ValidPlacement(ship, intersection.second);
                if (valid_location)
                    RepositionShip(ship, m_button_press_placed_ship_node, intersection.second);
            }
        }
        retval = true;
        m_mouse_dragged = true;
    } else if (event.Type() == GG::WndEvent::LButtonUp) {
        m_button_press_placed_ship_node = 0;
        m_mouse_dragged = false;
    } else if (event.Type() == GG::WndEvent::LClick) {
        Ogre::SceneNode* placement_node = PlaceableShipNode();
        bool valid_placement = false;
        if (placement_node) {
            std::pair<bool, Ogre::Vector3> intersection = m_intersect_mouse_with_ecliptic(event.Point());
            Ship* ship = *Ogre::any_cast<Ship*>(&placement_node->getUserAny());
            valid_placement = intersection.first && ValidPlacement(ship, intersection.second);
        }
        if (valid_placement) {
            PlaceCurrentShip();
            retval = true;
        } else if (m_mouse_dragged) {
            retval = true;
        }
        m_button_press_placed_ship_node = 0;
    } else if (event.Type() == GG::WndEvent::RClick) {
        CancelCurrentShipPlacement();
        retval = true;
    } else if (event.Type() == GG::WndEvent::RDoubleClick) {
        retval = true;
    } else if (event.Type() == GG::WndEvent::MouseEnter) {
        HandleMouseMoves(event.Point());
    } else if (event.Type() == GG::WndEvent::MouseHere) {
        HandleMouseMoves(event.Point());
    } else if (event.Type() == GG::WndEvent::MouseLeave) {
        if (Ogre::SceneNode* placement_node = PlaceableShipNode())
            placement_node->setVisible(false);
    }

    return retval;
}