C++ Entity::setRenderingDistance方法代码示例

SnapToMovement::SnapToMovement(Eris::Entity& entity, Ogre::Node& node, float snapThreshold, Ogre::SceneManager& sceneManager, bool showDebugOverlay) :
	mEntity(entity), mNode(node), mSnapThreshold(snapThreshold), mSceneManager(sceneManager)
{
	if (showDebugOverlay) {
		for (int i = 0; i < 30; ++i) {
			Ogre::SceneNode* node = mSceneManager.getRootSceneNode()->createChildSceneNode();
			Ogre::Entity* sphereEntity = mSceneManager.createEntity(node->getName() + "_entity", "3d_objects/primitives/models/sphere.mesh");
			//start out with a normal material
			sphereEntity->setMaterialName("/global/authoring/point");
			sphereEntity->setRenderingDistance(300);
			// 		entity.setQueryFlags(MousePicker::CM_UNDEFINED);
			node->setScale(0.25, 0.25, 0.25);
			node->attachObject(sphereEntity);
			node->setVisible(false);
			mDebugNodes.push_back(node);
		}
	}
}

void Level::processEntity(TiXmlElement *XMLNode, Ogre::SceneNode *parent)
{
	Ogre::String name = getAttribute(XMLNode, "name");
	Ogre::String meshFile = getAttribute(XMLNode, "meshFile");

	TiXmlElement *element;
	Ogre::Entity *entity = 0;

	try
	{
		entity = mSceneMgr->createEntity(name, meshFile);
		entity->setCastShadows(true);

		PhysicsManager::instance()->createConvexMesh(entity);

		element = XMLNode->FirstChildElement("subentities");
		if(element)
		{
			element = element->FirstChildElement("subentity");
			while (element)
			{
				Ogre::SubEntity *subEnt;

				Ogre::String materialFile = getAttribute(element, "materialName");
				unsigned int index = Ogre::StringConverter::parseInt(getAttribute(element,"index"));

				subEnt = entity->getSubEntity(index);
				subEnt->setMaterialName(materialFile);

				element = element->NextSiblingElement("subentity");		
			}
		}
		entity->setRenderingDistance(1000);
		parent->attachObject(entity);

	}
	catch(Ogre::Exception e)
	{
		Ogre::LogManager::getSingleton().logMessage("Error loading an entity!");
	}
	element = XMLNode->FirstChildElement("userDataReference");
}

	/**
	 * @brief Ctor.
	 * @param entity The entity which the marker is attached to.
	 * @param sceneManager A scene manager used to create nodes and entities.
	 * @param terrainManager Provides height data.
	 * @param point The location which will be marked.
	 */
	EntityPointMarker(Eris::Entity& entity, Ogre::SceneManager& sceneManager, const IHeightProvider& heightProvider, const WFMath::Point<3>& point) :
			mEntity(entity), mMarkerEntity(0), mMarkerNode(0), mMarkerDirectionIndicator(0), mHeightProvider(heightProvider), mPoint(point)
	{
		mMarkerNode = sceneManager.getRootSceneNode()->createChildSceneNode();
		try {
			mMarkerEntity = sceneManager.createEntity("3d_objects/primitives/models/sphere.mesh");
			//start out with a normal material
			mMarkerEntity->setMaterialName("/global/authoring/point");
			//The material is made to ignore depth checks, so if we put it in a later queue we're
			//making sure that the marker is drawn on top of everything else, making it easier to interact with.
			mMarkerEntity->setRenderQueueGroup(Ogre::RENDER_QUEUE_9);
			mMarkerEntity->setRenderingDistance(300);
			mMarkerEntity->setQueryFlags(MousePicker::CM_NONPICKABLE);
			mMarkerNode->attachObject(mMarkerEntity);
		} catch (const std::exception& ex) {
			S_LOG_WARNING("Error when creating marker node." << ex);
			return;
		}
		mMarkerNode->setVisible(true);

		mMarkerDirectionIndicator = new ShapeVisual(*sceneManager.getRootSceneNode(), false);

		mEntity.Moved.connect(sigc::mem_fun(*this, &EntityPointMarker::entityMoved));
	}

void RenderedTexture::renderTextures()
{
    //Set up RTT texture
    Ogre::TexturePtr renderTexture;
    if (renderTexture.isNull()) {
        renderTexture = Ogre::TextureManager::getSingleton().createManual(
            getUniqueID("RenderedEntityMaterial"), "EntityRenderer",
            Ogre::TEX_TYPE_2D, textureSize, textureSize, 0,
            Ogre::PF_A8R8G8B8, Ogre::TU_RENDERTARGET, 0);
    }
    renderTexture->setNumMipmaps(0);

    //Set up render target
    Ogre::RenderTexture* renderTarget = renderTexture->getBuffer()->getRenderTarget(); 
    renderTarget->setAutoUpdated(false);

    //Set up camera
    Ogre::SceneNode* camNode = sceneMgr->getSceneNode("EntityRenderer::cameraNode");
    Ogre::Camera* renderCamera = sceneMgr->createCamera(getUniqueID("EntityRendererCam"));
    camNode->attachObject(renderCamera);
    renderCamera->setLodBias(1000.0f);

    Ogre::Viewport* renderViewport = renderTarget->addViewport(renderCamera);
    renderViewport->setOverlaysEnabled(false);
    renderViewport->setClearEveryFrame(true);
    renderViewport->setShadowsEnabled(false);
    renderViewport->setBackgroundColour(Ogre::ColourValue(0.0f, 0.0f, 0.0f, 0.0f));

    //Set up scene node
    Ogre::SceneNode* node = sceneMgr->getSceneNode("EntityRenderer::renderNode");

    Ogre::SceneNode* oldSceneNode = entity->getParentSceneNode();
    if (oldSceneNode)
        oldSceneNode->detachObject(entity);
    node->attachObject(entity);
    node->setPosition(-entityCenter);

    //Set up camera FOV
    const Ogre::Real objDist = entityRadius * 100;
    const Ogre::Real nearDist = objDist - (entityRadius + 1); 
    const Ogre::Real farDist = objDist + (entityRadius + 1);

    renderCamera->setAspectRatio(1.0f);
    renderCamera->setFOVy(Ogre::Math::ATan(2.0 * entityRadius / objDist));
    renderCamera->setNearClipDistance(nearDist);
    renderCamera->setFarClipDistance(farDist);

    //Disable mipmapping (without this, masked textures look bad)
    Ogre::MaterialManager* mm = Ogre::MaterialManager::getSingletonPtr();
    Ogre::FilterOptions oldMinFilter = mm->getDefaultTextureFiltering(Ogre::FT_MIN);
    Ogre::FilterOptions oldMagFilter = mm->getDefaultTextureFiltering(Ogre::FT_MAG);
    Ogre::FilterOptions oldMipFilter = mm->getDefaultTextureFiltering(Ogre::FT_MIP);
    mm->setDefaultTextureFiltering(Ogre::FO_POINT, Ogre::FO_LINEAR,Ogre:: FO_NONE);

    //Disable fog
    Ogre::FogMode oldFogMode = sceneMgr->getFogMode();
    Ogre::ColourValue oldFogColor = sceneMgr->getFogColour();
    Ogre::Real oldFogDensity = sceneMgr->getFogDensity();
    Ogre::Real oldFogStart = sceneMgr->getFogStart();
    Ogre::Real oldFogEnd = sceneMgr->getFogEnd();
    sceneMgr->setFog(Ogre::FOG_NONE);

    // Get current status of the queue mode
    Ogre::SceneManager::SpecialCaseRenderQueueMode OldSpecialCaseRenderQueueMode =
        sceneMgr->getSpecialCaseRenderQueueMode();
    //Only render the entity
    sceneMgr->setSpecialCaseRenderQueueMode(Ogre::SceneManager::SCRQM_INCLUDE); 
    sceneMgr->addSpecialCaseRenderQueue(renderQueueGroup);

    Ogre::uint8 oldRenderQueueGroup = entity->getRenderQueueGroup();
    entity->setRenderQueueGroup(renderQueueGroup);
    bool oldVisible = entity->getVisible();
    entity->setVisible(true);
    float oldMaxDistance = entity->getRenderingDistance();
    entity->setRenderingDistance(0);

    //Calculate the filename hash used to uniquely identity this render
    std::string strKey = entityKey;
    char key[32] = {0};
    Ogre::uint32 i = 0;
    for (std::string::const_iterator it = entityKey.begin(); it != entityKey.end(); ++it) {
        key[i] ^= *it;
        i = (i+1) % sizeof(key);
    }
    for (i = 0; i < sizeof(key); ++i)
        key[i] = (key[i] % 26) + 'A';

    Ogre::ResourceGroupManager::getSingleton().addResourceLocation(
        GetUserDir().string(), "FileSystem", "BinFolder");
    std::string fileNamePNG =
        "Rendered." + std::string(key, sizeof(key)) + '.' +
        Ogre::StringConverter::toString(textureSize) + ".png";

    //Attempt to load the pre-render file if allowed
    bool needsRegen = false;
    if (!needsRegen) {
        try{
            texture = Ogre::TextureManager::getSingleton().load(
                fileNamePNG, "BinFolder", Ogre::TEX_TYPE_2D, 0);
        } catch (...) {
//.........这里部分代码省略.........

void Objects::insertMesh (const MWWorld::Ptr& ptr, const std::string& mesh)
{
    Ogre::SceneNode* insert = ptr.getRefData().getBaseNode();
    assert(insert);

    Ogre::AxisAlignedBox bounds = Ogre::AxisAlignedBox::BOX_NULL;
    NifOgre::EntityList entities = NifOgre::NIFLoader::createEntities(insert, NULL, mesh);
    for(size_t i = 0;i < entities.mEntities.size();i++)
    {
        const Ogre::AxisAlignedBox &tmp = entities.mEntities[i]->getBoundingBox();
        bounds.merge(Ogre::AxisAlignedBox(insert->_getDerivedPosition() + tmp.getMinimum(),
                                          insert->_getDerivedPosition() + tmp.getMaximum())
        );
    }
    Ogre::Vector3 extents = bounds.getSize();
    extents *= insert->getScale();
    float size = std::max(std::max(extents.x, extents.y), extents.z);

    bool small = (size < Settings::Manager::getInt("small object size", "Viewing distance")) && Settings::Manager::getBool("limit small object distance", "Viewing distance");

    // do not fade out doors. that will cause holes and look stupid
    if (ptr.getTypeName().find("Door") != std::string::npos)
        small = false;

    if (mBounds.find(ptr.getCell()) == mBounds.end())
        mBounds[ptr.getCell()] = Ogre::AxisAlignedBox::BOX_NULL;
    mBounds[ptr.getCell()].merge(bounds);

    bool transparent = false;
    for(size_t i = 0;i < entities.mEntities.size();i++)
    {
        Ogre::Entity *ent = entities.mEntities[i];
        for (unsigned int i=0; i<ent->getNumSubEntities(); ++i)
        {
            Ogre::MaterialPtr mat = ent->getSubEntity(i)->getMaterial();
            Ogre::Material::TechniqueIterator techIt = mat->getTechniqueIterator();
            while (techIt.hasMoreElements())
            {
                Ogre::Technique* tech = techIt.getNext();
                Ogre::Technique::PassIterator passIt = tech->getPassIterator();
                while (passIt.hasMoreElements())
                {
                    Ogre::Pass* pass = passIt.getNext();

                    if (pass->getDepthWriteEnabled() == false)
                        transparent = true;
                }
            }
        }
    }

    if(!mIsStatic || !Settings::Manager::getBool("use static geometry", "Objects") || transparent)
    {
        for(size_t i = 0;i < entities.mEntities.size();i++)
        {
            Ogre::Entity *ent = entities.mEntities[i];

            ent->setRenderingDistance(small ? Settings::Manager::getInt("small object distance", "Viewing distance") : 0);
            ent->setVisibilityFlags(mIsStatic ? (small ? RV_StaticsSmall : RV_Statics) : RV_Misc);
            ent->setRenderQueueGroup(transparent ? RQG_Alpha : RQG_Main);
        }
    }
    else
    {
        Ogre::StaticGeometry* sg = 0;

        if (small)
        {
            if( mStaticGeometrySmall.find(ptr.getCell()) == mStaticGeometrySmall.end())
            {
                uniqueID = uniqueID +1;
                sg = mRenderer.getScene()->createStaticGeometry( "sg" + Ogre::StringConverter::toString(uniqueID));
                mStaticGeometrySmall[ptr.getCell()] = sg;

                sg->setRenderingDistance(Settings::Manager::getInt("small object distance", "Viewing distance"));
            }
            else
                sg = mStaticGeometrySmall[ptr.getCell()];
        }
        else
        {
            if( mStaticGeometry.find(ptr.getCell()) == mStaticGeometry.end())
            {

                uniqueID = uniqueID +1;
                sg = mRenderer.getScene()->createStaticGeometry( "sg" + Ogre::StringConverter::toString(uniqueID));
                mStaticGeometry[ptr.getCell()] = sg;
            }
            else
                sg = mStaticGeometry[ptr.getCell()];
        }

        // This specifies the size of a single batch region.
        // If it is set too high:
        //  - there will be problems choosing the correct lights
        //  - the culling will be more inefficient
        // If it is set too low:
        //  - there will be too many batches.
        sg->setRegionDimensions(Ogre::Vector3(2500,2500,2500));

//.........这里部分代码省略.........

void Objects::insertMesh (const MWWorld::Ptr& ptr, const std::string& mesh, bool light)
{
    Ogre::SceneNode* insert = ptr.getRefData().getBaseNode();
    assert(insert);

    Ogre::AxisAlignedBox bounds = Ogre::AxisAlignedBox::BOX_NULL;
    NifOgre::ObjectList objects = NifOgre::Loader::createObjects(insert, mesh);
    for(size_t i = 0;i < objects.mEntities.size();i++)
        bounds.merge(objects.mEntities[i]->getWorldBoundingBox(true));

    Ogre::Vector3 extents = bounds.getSize();
    extents *= insert->getScale();
    float size = std::max(std::max(extents.x, extents.y), extents.z);

    bool small = (size < Settings::Manager::getInt("small object size", "Viewing distance")) && Settings::Manager::getBool("limit small object distance", "Viewing distance");

    // do not fade out doors. that will cause holes and look stupid
    if (ptr.getTypeName().find("Door") != std::string::npos)
        small = false;

    if (mBounds.find(ptr.getCell()) == mBounds.end())
        mBounds[ptr.getCell()] = Ogre::AxisAlignedBox::BOX_NULL;
    mBounds[ptr.getCell()].merge(bounds);

    bool anyTransparency = false;
    for(size_t i = 0;!anyTransparency && i < objects.mEntities.size();i++)
    {
        Ogre::Entity *ent = objects.mEntities[i];
        for(unsigned int i=0;!anyTransparency && i < ent->getNumSubEntities(); ++i)
        {
            anyTransparency = ent->getSubEntity(i)->getMaterial()->isTransparent();
        }
    }

    if(!mIsStatic || !Settings::Manager::getBool("use static geometry", "Objects") ||
       anyTransparency || objects.mParticles.size() > 0)
    {
        for(size_t i = 0;i < objects.mEntities.size();i++)
        {
            Ogre::Entity *ent = objects.mEntities[i];
            for(unsigned int i=0; i < ent->getNumSubEntities(); ++i)
            {
                Ogre::SubEntity* subEnt = ent->getSubEntity(i);
                subEnt->setRenderQueueGroup(subEnt->getMaterial()->isTransparent() ? RQG_Alpha : RQG_Main);
            }
            ent->setRenderingDistance(small ? Settings::Manager::getInt("small object distance", "Viewing distance") : 0);
            ent->setVisibilityFlags(mIsStatic ? (small ? RV_StaticsSmall : RV_Statics) : RV_Misc);
        }
        for(size_t i = 0;i < objects.mParticles.size();i++)
        {
            Ogre::ParticleSystem *part = objects.mParticles[i];
            // TODO: Check the particle system's material for actual transparency
            part->setRenderQueueGroup(RQG_Alpha);
            part->setRenderingDistance(small ? Settings::Manager::getInt("small object distance", "Viewing distance") : 0);
            part->setVisibilityFlags(mIsStatic ? (small ? RV_StaticsSmall : RV_Statics) : RV_Misc);
        }
    }
    else
    {
        Ogre::StaticGeometry* sg = 0;

        if (small)
        {
            if( mStaticGeometrySmall.find(ptr.getCell()) == mStaticGeometrySmall.end())
            {
                uniqueID = uniqueID +1;
                sg = mRenderer.getScene()->createStaticGeometry( "sg" + Ogre::StringConverter::toString(uniqueID));
                mStaticGeometrySmall[ptr.getCell()] = sg;

                sg->setRenderingDistance(Settings::Manager::getInt("small object distance", "Viewing distance"));
            }
            else
                sg = mStaticGeometrySmall[ptr.getCell()];
        }
        else
        {
            if( mStaticGeometry.find(ptr.getCell()) == mStaticGeometry.end())
            {

                uniqueID = uniqueID +1;
                sg = mRenderer.getScene()->createStaticGeometry( "sg" + Ogre::StringConverter::toString(uniqueID));
                mStaticGeometry[ptr.getCell()] = sg;
            }
            else
                sg = mStaticGeometry[ptr.getCell()];
        }

        // This specifies the size of a single batch region.
        // If it is set too high:
        //  - there will be problems choosing the correct lights
        //  - the culling will be more inefficient
        // If it is set too low:
        //  - there will be too many batches.
        sg->setRegionDimensions(Ogre::Vector3(2500,2500,2500));

        sg->setVisibilityFlags(small ? RV_StaticsSmall : RV_Statics);

        sg->setCastShadows(true);

        sg->setRenderQueueGroup(RQG_Main);
//.........这里部分代码省略.........

void World::LoadSceneFile(string sceneFile)
{

    Ogre::LogManager::getSingleton().setLogDetail(Ogre::LL_LOW);
    Ogre::SceneNode* worldNode = m_sceneMgr->getRootSceneNode()->createChildSceneNode();
    worldNode->rotate(Ogre::Vector3::UNIT_X, Ogre::Degree(-90.0f));

    string meshName;
    float fDrawDistance;
    bool bIsLod;
    Ogre::Vector3 position;
    Ogre::Quaternion rotation;

    ifstream sceneStream(sceneFile);
    // skip the title and the table title of the file
    string strline;

    int i = 0;
    while (!sceneStream.eof())
    {
        getline(sceneStream, strline);

        if (strline.length() == 0)
            continue;

        std::istringstream ss(strline);
        std::string token;

        getline(ss, token, ',');
        boost::trim(token);
        meshName = token;

        getline(ss, token, ',');
        boost::trim(token);
        fDrawDistance = lexical_cast<float>(token);

        getline(ss, token, ',');
        boost::trim(token);
        bIsLod = lexical_cast<bool>(token);

        getline(ss, token, ',');
        boost::trim(token);
        position.x = lexical_cast<float>(token);
        getline(ss, token, ',');
        boost::trim(token);
        position.y = lexical_cast<float>(token);
        getline(ss, token, ',');
        boost::trim(token);
        position.z = lexical_cast<float>(token);

        getline(ss, token, ',');
        boost::trim(token);
        rotation.w = lexical_cast<float>(token);
        getline(ss, token, ',');
        boost::trim(token);
        rotation.x = lexical_cast<float>(token);
        getline(ss, token, ',');
        boost::trim(token);
        rotation.y = lexical_cast<float>(token);
        getline(ss, token, ',');
        boost::trim(token);
        rotation.z = lexical_cast<float>(token);

		
        Ogre::MeshPtr mesh;
		Ogre::Entity* entity;
	
		Ogre::Entity* realEntity = m_sceneMgr->createEntity(meshName);
		
		if (fDrawDistance > 300.0f && !bIsLod)
			continue;
		
        if (bIsLod)
        {
            mesh = Ogre::MeshManager::getSingleton().createManual(meshName + "lod" + std::to_string(i), "General"); // empty mesh
			mesh->createManualLodLevel(0, "NULL");
			mesh->createManualLodLevel(700, meshName);
			mesh->_setBounds( realEntity->getMesh()->getBounds());
			mesh->_setBoundingSphereRadius(realEntity->getMesh()->getBoundingSphereRadius());
			mesh->load();
			entity->setRenderingDistance(fDrawDistance);
			entity = m_sceneMgr->createEntity(mesh->getName());
        }
        else
        {
            mesh = Ogre::MeshManager::getSingleton().getByName(meshName);
			entity = m_sceneMgr->createEntity(meshName);
			entity->setRenderingDistance(fDrawDistance);
        }
        m_sceneMgr->destroyEntity(realEntity);


        Ogre::SceneNode* sceneNode = worldNode->createChildSceneNode();
        sceneNode->attachObject(entity);

        fix_gta_coord(rotation);

        sceneNode->rotate(rotation);
        sceneNode->setPosition(position);
        i++;
//.........这里部分代码省略.........