Ogre::Light* LuaScriptUtilities::GetLight(
lua_State* const luaVM, const int stackIndex)
{
Ogre::SceneNode* const node = GetSceneNode(luaVM, stackIndex);
if (node)
{
Ogre::SceneNode::ObjectIterator it = node->getAttachedObjectIterator();
while (it.hasMoreElements())
{
const Ogre::String movableType =
it.current()->second->getMovableType();
if (movableType == Ogre::LightFactory::FACTORY_TYPE_NAME)
{
return static_cast<Ogre::Light*>(it.current()->second);
}
it.getNext();
}
}
return NULL;
}
//-----------------------------------------------------------------------------------------
bool CSceneManagerEditor::_setSkydomeActive(OgitorsPropertyBase* property, const bool& value)
{
if(value && mSkyBoxActive->get())
mSkyBoxActive->set(false);
if(value && mSkyDomeMaterial->get() == "")
{
mSystem->DisplayMessageDialog(OTR("You must first define a SkyDome Material!"), DLGTYPE_OK);
return false;
}
if(mHandle)
{
try
{
mHandle->setSkyDome(value ,mSkyDomeMaterial->get());
if(value)
{
Ogre::SceneNode *node = mHandle->getSkyDomeNode();
Ogre::SceneNode::ObjectIterator it = node->getAttachedObjectIterator();
while(it.hasMoreElements())
{
Ogre::MovableObject *object = it.getNext();
object->setVisibilityFlags(0x7F000000);
}
}
}
catch(...)
{
mSystem->DisplayMessageDialog(OTR("The Material supplied is not compatible with Sky Dome!"), DLGTYPE_OK);
return false;
}
}
return true;
}
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;
}
bool CombatSetupWnd::ValidPlacement(Ship* ship, const Ogre::Vector3& point) const {
bool retval = false;
std::size_t i = GroupIndexOfShip(m_setup_groups, ship);
if (i != m_setup_groups.size()) {
const CombatSetupGroup& group = m_setup_groups[i];
retval = !group.m_allow;
for (std::size_t j = 0; j < group.m_regions.size(); ++j) {
double point_d[2] = { point.x, point.y };
if (PointInRegion(point_d, group.m_regions[j])) {
retval = !retval;
break;
}
}
}
if (retval) {
// verify that this placement is not too near to other ships
for (std::map<int, Ogre::SceneNode*>::const_iterator it = m_placed_nodes.begin();
it != m_placed_nodes.end();
++it) {
Ship* this_ship = *Ogre::any_cast<Ship*>(&it->second->getUserAny());
if (this_ship == ship)
continue;
Ogre::SceneNode::ObjectIterator iterator = it->second->getAttachedObjectIterator();
assert(iterator.hasMoreElements());
const Ogre::Sphere& sphere =
boost::polymorphic_downcast<Ogre::Entity*>(iterator.getNext())->getWorldBoundingSphere();
if (sphere.intersects(point)) {
retval = false;
break;
}
}
}
return retval;
}
//=============================================================================
// NodeMaterialOrig
//=============================================================================
NodeMaterialOrig::NodeMaterialOrig( Ogre::SceneNode* sceneNode )
: NodeMaterial(),
_sceneNode( sceneNode )
{
for( Ogre::SceneNode::ObjectIterator it = sceneNode->getAttachedObjectIterator() ;
it.hasMoreElements() ;
it.moveNext() )
{
Ogre::MovableObject * currentMO = it.peekNextValue() ;
if ( currentMO->getMovableType() == Ogre::EntityFactory::FACTORY_TYPE_NAME )
{
//OMTRACEID( "DEBUG", "Create entity " << currentMO->getName() ) ;
_entities[ it.peekNextKey() ] = new EntityMaterialOrig( static_cast< Ogre::Entity *> ( currentMO ) ) ;
}
}
for( Ogre::Node::ChildNodeIterator it = sceneNode->getChildIterator() ;
it.hasMoreElements() ;
it.moveNext() )
{
Ogre::SceneNode* childSceneNode = static_cast< Ogre::SceneNode* >( it.peekNextValue() ) ;
//OMTRACEID( "DEBUG", "Create ChildSceneNode " << childSceneNode->getName() ) ;
NodeMaterialOrig* child = new NodeMaterialOrig( childSceneNode ) ;
_childs.push_back( child ) ;
}
}
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);
}
}
/** @brief get all the crusaders animations and stick em in the vector for easier reference
*/
void Animation::extractAnimations(Ogre::SceneNode* a_scene_node)
{
// get animation states from all entities
for (size_t i = 0; i < num_of_animations; ++i) {
Ogre::SceneNode::ObjectIterator it = a_scene_node->getAttachedObjectIterator();
while (it.hasMoreElements()) {
// get the mesh attached to the scene node
Ogre::Entity* anim_entity = static_cast<Ogre::Entity*>(it.getNext());
// safeguard for ommited anims
if (NULL != anim_entity->getAllAnimationStates()) {
// stick the animation state in the array later indexed by animation type enum
Animations[i].push_back(anim_entity->getAnimationState(animation_names[i]));
// reset the animation
Animations[i].back()->setTimePosition(0);
if (i == CurrentAnim) {
Animations[i].back()->setEnabled(true);
}
}
}
}
// recurse into child scene nodes
Ogre::SceneNode::ChildNodeIterator it2 = a_scene_node->getChildIterator();
while (it2.hasMoreElements()) {
extractAnimations(static_cast<Ogre::SceneNode*>(it2.getNext()));
}
}
//!
//! 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 CObject::changeState(EEntityStateTypes eState) {
switch (m_uiType) {
case OBJECT_GREEN_BUSH:
case OBJECT_LIGHT_STONE:
if (eState == EST_LIFTED) {
btRigidBody *pRB = btRigidBody::upcast(this->getCollisionObject());
ASSERT(pRB);
m_pMap->getPhysicsManager()->getWorld()->removeCollisionObject(pRB);
m_pMap->getPhysicsManager()->getWorld()->addRigidBody(pRB, COL_DAMAGE_P, MASK_DAMAGE_P_COLLIDES_WITH);
// Entities now cast shadows
Ogre::SceneNode::ObjectIterator itObject = this->getSceneNode()->getAttachedObjectIterator();
while (itObject.hasMoreElements()) {
Ogre::MovableObject* pObject = static_cast<Ogre::MovableObject*>(itObject.getNext());
pObject->setCastShadows(true);
}
}
else if (eState == EST_THROWN) {
btRigidBody *pRB = btRigidBody::upcast(this->getCollisionObject());
ASSERT(pRB);
pRB->setLinearFactor(btVector3(1, 1, 1));
pRB->setAngularFactor(0);
pRB->activate();
}
break;
}
CWorldEntity::changeState(eState);
}
CDebugDraw::CDebugDraw( Ogre::SceneManager* Scene, btDynamicsWorld* World )
: World( World ), IsActive( true )
{
// generate a unit sphere
std::size_t CircleSubdivs = 12;
UnitCircle.reserve( CircleSubdivs+1 );
for ( std::size_t i = 0; i < CircleSubdivs; ++i )
{
float Angle = (M_PI * 2.f * i) / CircleSubdivs;
UnitCircle.push_back( Ogre::Vector2( std::cos( Angle ), std::sin( Angle ) ) );
}
UnitCircle.push_back( UnitCircle.front() );
// setup rendering properties
DebugLineDrawer = new CDynamicLineDrawer();
if ( !Scene->hasSceneNode("DebugDrawer") )
DebugDrawerNode = Scene->getRootSceneNode()->createChildSceneNode("DebugDrawer");
else
{
DebugDrawerNode = Scene->getSceneNode("DebugDrawer");
Ogre::SceneNode::ObjectIterator Iter = DebugDrawerNode->getAttachedObjectIterator();
while( Iter.hasMoreElements() )
Scene->destroyEntity( dynamic_cast<Ogre::Entity*>( Iter.getNext() ) );
}
DebugDrawerNode->attachObject( DebugLineDrawer );
DebugLineDrawer->setMaterial("DebugLines");
World->setDebugDrawer( this );
}
void CameraMan::setAnchor(Ogre::SceneNode* anchor, Ogre::Vector3 offset,
bool hideAnchor)
{
// Clear previous anchor
if (mAnchor)
{
// Show all objects in anchor node
Ogre::SceneNode::ObjectIterator it =
mAnchor->getParentSceneNode()->getAttachedObjectIterator();
while (it.hasMoreElements())
{
it.getNext()->setVisible(true);
}
Ogre::Vector3 position = mCamera->getRealPosition();
Ogre::Quaternion orientation = mCamera->getRealOrientation();
mAnchor->detachObject(mCamera);
mAnchor->getParentSceneNode()->removeAndDestroyChild("CameraManAnchor");
mAnchor = NULL;
mCamera->setPosition(position);
mCamera->setOrientation(orientation);
}
if (anchor)
{
// Hide all objects in anchor node
Ogre::SceneNode::ObjectIterator it =
anchor->getAttachedObjectIterator();
if (hideAnchor)
{
while (it.hasMoreElements())
{
it.getNext()->setVisible(false);
}
}
// Create anchor
mAnchor = anchor->createChildSceneNode("CameraManAnchor");
// if(mCamera->getParentSceneNode())
// mCamera->getParentSceneNode()->detachObject(mCamera);
mAnchor->attachObject(mCamera);
mAnchor->setInheritOrientation(false);
mCamera->setPosition(offset);
}
}
void Actor::setCastShadows(bool hasShadows)
{
assert(mNode);
Ogre::SceneNode::ObjectIterator it = mNode->getAttachedObjectIterator();
while(it.hasMoreElements())
{
Ogre::MovableObject* obj = static_cast<Ogre::MovableObject*>(it.getNext());
obj->setCastShadows(hasShadows);
}
}
void MiniMapManager::deleteEntity(Ogre::SceneNode* node)
{
Ogre::SceneNode::ObjectIterator itObject = node->getAttachedObjectIterator();
while ( itObject.hasMoreElements() )
{
Ogre::MovableObject* pObject = static_cast<Ogre::MovableObject*>(itObject.getNext());
node->getCreator()->destroyMovableObject( pObject );
}
node->removeAndDestroyAllChildren();
mSceneMgr->destroySceneNode(node);
}
//!
//! 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);
}
}
}
bool Actor::isVisible() const
{
assert(mNode);
Ogre::SceneNode::ObjectIterator it = mNode->getAttachedObjectIterator();
while(it.hasMoreElements())
{
Ogre::MovableObject* obj = static_cast<Ogre::MovableObject*>(it.getNext());
if(!obj->isVisible())
{
return false;
}
}
return true;
}
void CombatSetupWnd::HandleMouseMoves(const GG::Pt& pt) {
if (Ogre::SceneNode* node = PlaceableShipNode()) {
std::pair<bool, Ogre::Vector3> intersection = m_intersect_mouse_with_ecliptic(pt);
if (intersection.first) {
Ship* ship = *Ogre::any_cast<Ship*>(&node->getUserAny());
bool valid_location = ValidPlacement(ship, intersection.second);
node->setVisible(true);
node->setPosition(intersection.second);
node->setOrientation(StarwardOrientationForPosition(intersection.second));
if (valid_location) {
Ogre::SceneNode::ObjectIterator iterator = node->getAttachedObjectIterator();
assert(iterator.hasMoreElements());
Ogre::Entity* entity = boost::polymorphic_downcast<Ogre::Entity*>(iterator.getNext());
entity->setMaterialName(ShipMaterialName(*ship->Design(), ship->Owner()));
entity->setRenderQueueGroup(Ogre::RENDER_QUEUE_MAIN);
} else {
std::string base_material_name = ShipMaterialName(*ship->Design(), ship->Owner());
std::string material_name = UNPLACEABLE_MATERIAL_PREFIX + base_material_name;
if (!Ogre::MaterialManager::getSingleton().resourceExists(material_name)) {
Ogre::MaterialPtr unmodified_material =
Ogre::MaterialManager::getSingleton().getByName(base_material_name);
Ogre::MaterialPtr material = unmodified_material->clone(material_name);
Ogre::Pass* pass = material->getTechnique(0)->getPass(1);
assert(pass->hasFragmentProgram());
pass->getFragmentProgramParameters()->setNamedConstant("alpha", 0.25f);
}
Ogre::SceneNode::ObjectIterator iterator = node->getAttachedObjectIterator();
assert(iterator.hasMoreElements());
Ogre::Entity* entity = boost::polymorphic_downcast<Ogre::Entity*>(iterator.getNext());
entity->setMaterialName(material_name);
entity->setRenderQueueGroup(ALPHA_OBJECTS_QUEUE);
}
} else {
node->setVisible(false);
}
}
}
void Factory::destroyModel(Ogre::SceneNode* sceneNode) {
Ogre::SceneNode::ObjectIterator it = sceneNode->getAttachedObjectIterator();
while (it.hasMoreElements()) {
Ogre::MovableObject* movableEntity = static_cast<Ogre::MovableObject*>(it.getNext());
sceneNode->getCreator()->destroyMovableObject(movableEntity);
}
//destroy children if any
Ogre::SceneNode::ChildNodeIterator it2 = sceneNode->getChildIterator();
while (it2.hasMoreElements()) {
Ogre::SceneNode* childNode = static_cast<Ogre::SceneNode*>(it2.getNext());
destroyModel(childNode);
}
//at last remove the scene node
Game::scene->destroySceneNode(sceneNode);
}
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 OgreColladaContentImporter::sceneNodeCreated(Ogre::SceneNode* pNode, FCDSceneNode* pFColladaSceneNode)
{
NxOgre::ActorParams actorParams;
NxOgre::ShapeParams shapeParams;
Ogre::Vector3 boxSize;
Ogre::Vector3 scale;
Ogre::Entity *pEntity;
std::list<Ogre::Entity*> entityList;
std::list<Ogre::Entity*>::iterator entityListIter;
NxVec3 row;
pEntity = NULL;
Ogre::SceneNode::ObjectIterator iter = pNode->getAttachedObjectIterator();
while (iter.hasMoreElements())
{
pEntity = dynamic_cast<Ogre::Entity*>(iter.getNext());
if (pEntity != NULL)
{
entityList.push_back(pEntity);
}
}
shapeParams.setToDefault();
//scale = pNode->_getDerivedScale();
//shapeParams.mMeshScale = NxVec3(scale.x, scale.y, scale.z);
for (entityListIter = entityList.begin(); entityListIter != entityList.end(); ++entityListIter)
{
pEntity = *entityListIter;
boxSize = pEntity->getBoundingBox().getSize();
pNode->detachObject(pEntity);
actorParams.setToDefault();
actorParams.mMass = 0.0f;
actorParams.mBodyFlags |= NX_BF_KINEMATIC;
GameObjectFactory::getSingleton().makeBody(pEntity->getName(), pNode, pEntity, scene
,new NxOgre::CubeShape(boxSize.x, boxSize.y, boxSize.z, shapeParams), actorParams);
}
sceneNodes.push_back(pNode);
}
void SceneNodeWrapper::destroyAllAttachedMovableObjects( Ogre::SceneNode* node )
{
if(!node) return;
// Destroy all the attached objects
Ogre::SceneNode::ObjectIterator itObject = node->getAttachedObjectIterator();
while ( itObject.hasMoreElements() )
node->getCreator()->destroyMovableObject(itObject.getNext());
// Recurse to child SceneNode
auto itChild = node->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);
}
}
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);
}
}
/* 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);
}
}
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);
}
}
Ogre::Node::ChildNodeIterator nodei = SceneNode->getChildIterator();
while (nodei.hasMoreElements())
{
Ogre::SceneNode* node = (Ogre::SceneNode*)(nodei.getNext());
// Add this subnode and its children...
SceneNodeExplore(node);
}
xmlTextWriterEndElement(m_XmlWriter); //end SceneNode
}