//-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~
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;
}