C++ Entity::detachFromParent方法代码示例

//-------------------------------------------------------------------------------------------
void MagickWidget::loadMesh(Ogre::MeshPtr pMesh)
{
    QString directory(OgitorsRoot::getSingletonPtr()->GetProjectOptions()->ProjectDir.c_str());
    if(directory.isEmpty())
        directory = "./";

    QDir(directory).mkpath("entitycache");

    Ogre::TexturePtr texture = Ogre::TextureManager::getSingleton().createManual( "MeshMagickTex", 
                   Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, Ogre::TEX_TYPE_2D, 
                   512, 512, 0, Ogre::PF_R8G8B8A8 , Ogre::TU_RENDERTARGET );

    Ogre::RenderTexture *rttTex = texture->getBuffer()->getRenderTarget();
    Ogre::SceneManager *mSceneMgr = Ogre::Root::getSingletonPtr()->createSceneManager("OctreeSceneManager", "MeshMagickTexMgr");

    Ogre::Light *dirl = mSceneMgr->createLight("DisplayLight");
    dirl->setDirection(-1,-1,-1);
    dirl->setDiffuseColour(1,1,1);
    dirl->setType(Ogre::Light::LT_DIRECTIONAL);

    Ogre::Camera* RTTCam = mSceneMgr->createCamera("MeshMagickCam");
    RTTCam->setNearClipDistance(0.01F);
    RTTCam->setFarClipDistance(0);
    RTTCam->setAspectRatio(1);
    RTTCam->setFOVy(Ogre::Degree(90));
    RTTCam->setPosition(0,0,1);
    RTTCam->lookAt(0,0,0);

    Ogre::Viewport *v = rttTex->addViewport( RTTCam );
    v->setClearEveryFrame( true );
    v->setBackgroundColour(Ogre::ColourValue(0,0,0));

    Ogre::Entity *mEntity;

    mEntity = mSceneMgr->createEntity("scbDisplay", pMesh->getName());
    mSceneMgr->getRootSceneNode()->attachObject(mEntity);

    Ogre::Vector3 vSize = mEntity->getBoundingBox().getHalfSize();
    Ogre::Vector3 vCenter = mEntity->getBoundingBox().getCenter(); 
    
    vSize += Ogre::Vector3(vSize.z, vSize.z, vSize.z);

    float maxsize = std::max(std::max(vSize.x,vSize.y),vSize.z);
    
    vSize = Ogre::Vector3(0, 0, maxsize * 1.15f) + vCenter;
    
    RTTCam->setPosition(vSize.x,vSize.y,vSize.z);
    RTTCam->lookAt(vCenter.x,vCenter.y,vCenter.z);

    rttTex->update();
    Ogre::String imagefile = OgitorsUtils::QualifyPath(directory.toStdString() + "/entitycache/meshmagick.png");
    rttTex->writeContentsToFile(imagefile);

    mEntity->detachFromParent();
    mSceneMgr->destroyEntity(mEntity);
    rttTex->removeAllViewports();
    Ogre::Root::getSingletonPtr()->destroySceneManager(mSceneMgr);
    mDisplayWidget->setImage(QString(imagefile.c_str()));
}

bool VehicleRenderable::destroy()
{
	while(!mEntities.empty())
	{
		Ogre::Entity* ent = mEntities.back();

		//detach and remove all entities the object created
		ent->detachFromParent();
		mSceneMgr->destroyEntity(ent);
		mEntities.pop_back();
	}

	while(!mSceneNodes.empty())
	{
		Ogre::SceneNode* sn = mSceneNodes.back();
		
		//detach and remove all scene node only the object created
		sn->detachAllObjects();
		mSceneMgr->destroySceneNode(sn);
		mSceneNodes.pop_back();
	}

	return true;
}

void Ninja::updateLocomote(Ogre::Real deltaTime)
{
    int xOffset = ((this->grid->getRows() * this->grid->getHeight()) - this->grid->getHeight())/2;
    int yOffset = ((this->grid->getCols() * this->grid->getHeight()) - this->grid->getHeight())/2;
    int x = (xOffset + mDestination.x)/grid->getHeight();
    int y = (yOffset + mDestination.z)/grid->getHeight();

    if (mDirection == Ogre::Vector3::ZERO)
    {
        if (nextLocation()) // a check to see if there is another destination
        {
            // Set walking animation
            this->setBaseAnimation(ANIM_WALK, true);
            //this->setTopAnimation(ANIM_WALK, true);
        }
    }
    else
    {
        Ogre::Real move = mWalkSpeed * deltaTime;
        mDistance -= move;

        if (mDistance <= 0.0f) // over shooting target
        {
            this->mBodyNode->setPosition(mDestination);

            this->setCurrentNode(grid->getNode(x, y));

            while(this->getCurrentNode()->getItemList()->size() > 0)
            {
                Ogre::Entity* ent = this->getCurrentNode()->getItemList()->front();
                this->inventory->push_back(ent);
                this->getCurrentNode()->getItemList()->pop();
                ent->detachFromParent();

                this->getmBodyEntity()->attachObjectToBone("Joint13", ent);
                ent->getParentNode()->scale(1.15f,1.15f,1.15f);

                ent->setVisible(true);
            }

            mDirection = Ogre::Vector3::ZERO;
            if (!nextLocation()) // a check to see if there is another destination
            {
                this->setCurrentNode(grid->getNode(x, y));
                this->setBaseAnimation(ANIM_IDLE_1, true);
                //this->setTopAnimation(ANIM_IDLE_1, true);
            }
            else
            {

                Ogre::Vector3 src = this->mBodyNode->getOrientation() * Ogre::Vector3::UNIT_X;
                if ((1.0f + src.dotProduct(mDirection)) < 0.0001f)
                {
                    this->mBodyNode->yaw(Ogre::Degree(180));
                }
                else
                {
                    Ogre::Quaternion quat = src.getRotationTo(mDirection);
                    this->mBodyNode->rotate(quat);
                    this->mBodyNode->yaw(Ogre::Degree(angleOffset));  // To correct for models facing different directions
                }
            }
        }
        else
        {
            this->mBodyNode->translate(mDirection * move);
        }
    }
}

void ZoneListWidget::_createImages(ImageMap& retlist)
{
    retlist.clear();

    Ogre::TexturePtr texture = Ogre::TextureManager::getSingleton().createManual( "EntityTex",
                   Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, Ogre::TEX_TYPE_2D,
                   256, 256, 0, Ogre::PF_A8R8G8B8 , Ogre::TU_RENDERTARGET );

    Ogre::RenderTexture *rttTex = texture->getBuffer()->getRenderTarget();
    Ogre::SceneManager *mSceneMgr = Ogre::Root::getSingletonPtr()->createSceneManager("OctreeSceneManager", "EntityTexMgr");

    Ogre::Light *dirl = mSceneMgr->createLight("DisplayLight");
    dirl->setDirection(-1,-1,-1);
    dirl->setDiffuseColour(1,1,1);
    dirl->setType(Ogre::Light::LT_DIRECTIONAL);

    Ogre::Camera* RTTCam = mSceneMgr->createCamera("EntityCam");
    RTTCam->setNearClipDistance(0.01F);
    RTTCam->setFarClipDistance(0);
    RTTCam->setAspectRatio(1);
    RTTCam->setFOVy(Ogre::Degree(90));
    RTTCam->setPosition(0,0,1);
    RTTCam->lookAt(0,0,0);

    Ogre::Viewport *v = rttTex->addViewport( RTTCam );
    v->setClearEveryFrame( true );
    v->setBackgroundColour(Ogre::ColourValue(0,0,0,0));

    ModularZoneFactory* factory = dynamic_cast<ModularZoneFactory*>(OgitorsRoot::getSingletonPtr()->GetEditorObjectFactory("Modular Zone Object"));
    if(!factory)return;
    factory->loadZoneTemplates();
    ZoneInfoMap zoneTemplates = factory->getZoneTemplateMap();

    Ogre::Entity *mEntity;

    unsigned char dataptr[300 * 300 * 6];
    unsigned char *dataptr2;
    Ogre::PixelBox pb(256,256,1,Ogre::PF_A8R8G8B8, dataptr);

    EntityMap entities;
    ZoneInfoMap::iterator zi;
    for(zi=zoneTemplates.begin();zi!=zoneTemplates.end();++zi)
    {
        Ogre::String addstr = (*zi).second.mMesh;
        if(entities.find((*zi).first) == entities.end())
            entities.insert(EntityMap::value_type((*zi).first,addstr));
    }

    EntityMap::const_iterator ite = entities.begin();

    while(ite != entities.end())
    {
        Ogre::String addstr = ite->second;

        mEntity = mSceneMgr->createEntity("MZP_Preview", addstr);

        mSceneMgr->getRootSceneNode()->attachObject(mEntity);

        //TODO: It would be nice to retrieve a Preview Camera Position from
        //the .zone file
        //TODO: also render portal outlines clearly so that the user can see
        //how the zone is laid out
        Ogre::Vector3 vSize = mEntity->getBoundingBox().getCorner(Ogre::AxisAlignedBox::NEAR_RIGHT_TOP);//.getHalfSize();//============
        Ogre::Vector3 vCenter = mEntity->getBoundingBox().getCenter();

//FIXME ------ NICE PREVIEWS NEEDED - bigger

        vSize += Ogre::Vector3(vSize.z, vSize.z, vSize.z);

        float maxsize = std::max(std::max(vSize.x,vSize.y),vSize.z);

        //vSize = Ogre::Vector3(0, 0, maxsize * 1.1f) + vCenter;
        vSize = Ogre::Vector3(maxsize * 0.5f, vSize.y, maxsize * 0.5f) + vCenter;
        //vSize.x +=vSize.x/2;//Maybe test to see which is larger x/2 or z/2 and use that?
        //vSize.z +=vSize.x/2;
        //RTTCam->setProjectionType(Ogre::PT_ORTHOGRAPHIC);

        RTTCam->setPosition(vSize.x,vSize.y,vSize.z);
        RTTCam->lookAt(vCenter.x,vCenter.y,vCenter.z);

        rttTex->update();
        rttTex->copyContentsToMemory(pb, Ogre::RenderTarget::FB_FRONT);


        dataptr2 = new unsigned char[96 * 96 * 4];
        Ogre::PixelBox pb2(96,96,1,Ogre::PF_A8R8G8B8, dataptr2);
        Ogre::Image::scale(pb,pb2);

        addstr.erase(addstr.length() - 5, 5);
        retlist.insert(ImageMap::value_type((*ite).first, dataptr2));

        mEntity->detachFromParent();
        mSceneMgr->destroyEntity(mEntity);

        ite++;
    }

    rttTex->removeAllViewports();
    Ogre::Root::getSingletonPtr()->destroySceneManager(mSceneMgr);
    Ogre::TextureManager::getSingletonPtr()->unload(texture->getName());
//.........这里部分代码省略.........