C++ SkeletonPtr::isNull方法代码示例

Ogre::MeshPtr
loadMesh(const Ogre::String& meshName, const Ogre::String& groupName,
         const Ogre::String& baseResourceName, const Ogre::String& baseGroupName)
{
    // Load the mesh
    Ogre::MeshPtr mesh = loadCorrelativeResource(
        meshName, groupName,
        baseResourceName, baseGroupName,
        Ogre::MeshManager::getSingleton());

    if (mesh.isNull())
    {
        OGRE_EXCEPT(Ogre::Exception::ERR_ITEM_NOT_FOUND,
            "Unable to load mesh " + meshName,
            "loadMesh");
    }

    // Try to resolve skeleton resource
    if (mesh->hasSkeleton() && mesh->getSkeleton().isNull())
    {
        // resolve correlative with mesh
        Ogre::SkeletonPtr skeleton = loadCorrelativeResource(
            mesh->getSkeletonName(), groupName,
            mesh->getName(), mesh->getGroup(),
            Ogre::SkeletonManager::getSingleton());

        if (skeleton.isNull())
        {
            // resolve correlative with base resource
            skeleton = loadCorrelativeResource(
                mesh->getSkeletonName(), groupName,
                baseResourceName, baseGroupName,
                Ogre::SkeletonManager::getSingleton());
        }

        if (skeleton.isNull())
        {
            OGRE_EXCEPT(Ogre::Exception::ERR_ITEM_NOT_FOUND,
                "Unable to load skeleton " + mesh->getSkeletonName() +
                " for mesh " + mesh->getName(),
                "loadMesh");
        }

        // Set to the actual name
        mesh->setSkeletonName(skeleton->getName());
    }

    return mesh;
}

Ogre::Mesh* EC_Mesh::PrepareMesh(const std::string& mesh_name, bool clone)
{
    if (!ViewEnabled())
        return 0;
    if (renderer_.expired())
        return 0;
    RendererPtr renderer = renderer_.lock();   
        
    Ogre::MeshManager& mesh_mgr = Ogre::MeshManager::getSingleton();
    Ogre::MeshPtr mesh = mesh_mgr.getByName(SanitateAssetIdForOgre(mesh_name));
    
    // For local meshes, mesh will not get automatically loaded until used in an entity. Load now if necessary
    if (mesh.isNull())
    {
        try
        {
            mesh_mgr.load(mesh_name, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
            mesh = mesh_mgr.getByName(mesh_name);
        }
        catch (Ogre::Exception& e)
        {
            LogError("Could not load mesh " + mesh_name + ": " + std::string(e.what()));
            return 0;
        }
    }
    
    // If mesh is still null, must abort
    if (mesh.isNull())
    {
        LogError("Mesh " + mesh_name + " does not exist");
        return 0;
    }
    
    if (clone)
    {
        try
        {
            mesh = mesh->clone(renderer->GetUniqueObjectName("EC_Mesh_clone"));
            mesh->setAutoBuildEdgeLists(false);
            cloned_mesh_name_ = mesh->getName();
        }
        catch (Ogre::Exception& e)
        {
            LogError("Could not clone mesh " + mesh_name + ":" + std::string(e.what()));
            return 0;
        }
    }
    
    if (mesh->hasSkeleton())
    {
        Ogre::SkeletonPtr skeleton = Ogre::SkeletonManager::getSingleton().getByName(mesh->getSkeletonName());
        if (skeleton.isNull() || skeleton->getNumBones() == 0)
        {
            LogDebug("Mesh " + mesh_name + " has a skeleton with 0 bones. Disabling the skeleton.");
            mesh->setSkeletonName("");
        }
    }
    
    return mesh.get();
}

void ResourceLoader::loadMeshWork(const String& name, Mesh::MeshdataPtr mesh, const String& skeletonName, LoadedCallback cb) {
    Ogre::MeshManager& mm = Ogre::MeshManager::getSingleton();
    Ogre::MeshPtr mo = mm.getByName(name);
    if (mo.isNull()) {
        /// FIXME: set bounds, bounding radius here
        Ogre::ManualResourceLoader *reload;
        mo = mm.createManual(name,Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,(reload=
#ifdef _WIN32
#ifdef NDEBUG
                OGRE_NEW
#else
                new
#endif
#else
                OGRE_NEW
#endif
                ManualMeshLoader(mesh, name)));
        reload->prepareResource(&*mo);
        reload->loadResource(&*mo);

        if (!skeletonName.empty()) {
            Ogre::SkeletonManager& skel_mgr = Ogre::SkeletonManager::getSingleton();
            Ogre::SkeletonPtr skel = skel_mgr.getByName(skeletonName);
            if (!skel.isNull())
                mo->_notifySkeleton(skel);
        }
    }
    cb();
}

gkSkeletonLoader::gkSkeletonLoader(gkSkeletonResource* skel)
	:   m_skeleton(skel)
{
	Ogre::SkeletonManager& mgr = Ogre::SkeletonManager::getSingleton();
	const gkString& name = m_skeleton->getResourceName().getName();



	Ogre::SkeletonPtr oskel = mgr.getByName(name);
	if (oskel.isNull())
		oskel = mgr.create(name, skel->getGroupName(), true, this); //GK_BUILTIN_GROUP
}

void ResourceLoader::loadSkeletonWork(const String& name, Mesh::MeshdataPtr mesh, const std::set<String>& animationList, LoadedCallback cb) {
    Ogre::SkeletonManager& skel_mgr = Ogre::SkeletonManager::getSingleton();
    Ogre::SkeletonPtr skel = skel_mgr.getByName(name);
    if (skel.isNull()) {
        Ogre::ManualResourceLoader *reload;
        Ogre::SkeletonPtr skel = Ogre::SkeletonPtr(skel_mgr.create(name,Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, true,
                (reload=new ManualSkeletonLoader(mesh, animationList))));
        reload->prepareResource(&*skel);
        reload->loadResource(&*skel);
    }
    cb();
}

const std::string& EC_Mesh::GetSkeletonName() const
{
    static std::string empty_name;
    
    if (!entity_)
        return empty_name;
    else
    {
        Ogre::MeshPtr mesh = entity_->getMesh();
        if (!mesh->hasSkeleton())
            return empty_name;
        Ogre::SkeletonPtr skel = mesh->getSkeleton();
        if (skel.isNull())
            return empty_name;
        return skel->getName();
    }
}

 Ogre::SkeletonPtr GetLocalSkeleton(const std::string& name)
 {
     Ogre::SkeletonManager& manager = Ogre::SkeletonManager::getSingleton();
     
     Ogre::SkeletonPtr skel = manager.getByName(name);
     if (skel.isNull())
     {
         try
         {
             manager.load(name, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
             skel = manager.getByName(name);
         }
         catch(...) {}
     }
     
     return skel;
 }

void EC_Mesh::OnSkeletonAssetLoaded(AssetPtr asset)
{
    OgreSkeletonAsset *skeletonAsset = dynamic_cast<OgreSkeletonAsset*>(asset.get());
    if (!skeletonAsset)
    {
        LogError("OnSkeletonAssetLoaded: Skeleton asset load finished for asset \"" +
            asset->Name().toStdString() + "\", but downloaded asset was not of type OgreSkeletonAsset!");
        return;
    }

    Ogre::SkeletonPtr skeleton = skeletonAsset->ogreSkeleton;
    if (skeleton.isNull())
    {
        LogError("OnSkeletonAssetLoaded: Skeleton asset load finished for asset \"" +
            asset->Name().toStdString() + "\", but Ogre::Skeleton pointer was null!");
        return;
    }

    if(!entity_)
    {
        LogDebug("Could not set skeleton yet because entity is not yet created");
        return;
    }

    try
    {
        // If old skeleton is same as a new one no need to replace it.
        if (entity_->getSkeleton() && entity_->getSkeleton()->getName() == skeleton->getName())
            return;
        
        entity_->getMesh()->_notifySkeleton(skeleton);
        
//        LogDebug("Set skeleton " + skeleton->getName() + " to mesh " + entity_->getName());
        emit SkeletonChanged(QString::fromStdString(skeleton->getName()));
    }
    catch (...)
    {
        LogError("Exception while setting skeleton to mesh" + entity_->getName());
    }

    // Now we have to recreate the entity to get proper animations etc.
    SetMesh(entity_->getMesh()->getName().c_str(), false);
}

bool EC_Mesh::SetMeshWithSkeleton(const std::string& mesh_name, const std::string& skeleton_name, bool clone)
{
    if (!ViewEnabled())
        return false;
    OgreWorldPtr world = world_.lock();

    Ogre::SkeletonPtr skel = Ogre::SkeletonManager::getSingleton().getByName(AssetAPI::SanitateAssetRef(skeleton_name));
    if (skel.isNull())
    {
        LogError("EC_Mesh::SetMeshWithSkeleton: Could not set skeleton " + skeleton_name + " to mesh " + mesh_name + ": not found");
        return false;
    }
    
    RemoveMesh();

    Ogre::SceneManager* sceneMgr = world->OgreSceneManager();
    
    Ogre::Mesh* mesh = PrepareMesh(mesh_name, clone);
    if (!mesh)
        return false;
    
    try
    {
        mesh->_notifySkeleton(skel);
//        LogDebug("Set skeleton " + skeleton_name + " to mesh " + mesh_name);
    }
    catch(Ogre::Exception& e)
    {
        LogError("EC_Mesh::SetMeshWithSkeleton: Could not set skeleton " + skeleton_name + " to mesh " + mesh_name + ": " + std::string(e.what()));
        return false;
    }
    
    try
    {
        entity_ = sceneMgr->createEntity(world->GetUniqueObjectName("EC_Mesh_entwithskel"), mesh->getName());
        if (!entity_)
        {
            LogError("EC_Mesh::SetMeshWithSkeleton: Could not set mesh " + mesh_name);
            return false;
        }
        
        entity_->setRenderingDistance(drawDistance.Get());
        entity_->setCastShadows(castShadows.Get());
        entity_->setUserAny(Ogre::Any(static_cast<IComponent *>(this)));
        // Set UserAny also on subentities
        for(uint i = 0; i < entity_->getNumSubEntities(); ++i)
            entity_->getSubEntity(i)->setUserAny(entity_->getUserAny());
        
        if (entity_->hasSkeleton())
        {
            Ogre::SkeletonInstance* skel = entity_->getSkeleton();
            // Enable cumulative mode on skeletal animations
            if (skel)
                skel->setBlendMode(Ogre::ANIMBLEND_CUMULATIVE);
        }
    }
    catch(Ogre::Exception& e)
    {
        LogError("EC_Mesh::SetMeshWithSkeleton: Could not set mesh " + mesh_name + ": " + std::string(e.what()));
        return false;
    }
    
    AttachEntity();
    
    emit MeshChanged();
    
    return true;
}

//.........这里部分代码省略.........
                // Vertex normals
                // For the moment, ignore any discrepancies per vertex
				msTriangleEx_GetNormal(pTriangleEx, k, &Normal[0]);
				msTriangleEx_GetTexCoord(pTriangleEx, k, &uv[0]);
				pTex[(vertIdx*2)]=uv[0];
				pTex[(vertIdx*2)+1]=uv[1];
                pNorm[(vertIdx*3)] = Normal[0];
                pNorm[(vertIdx*3)+1] = Normal[1];
                pNorm[(vertIdx*3)+2] = Normal[2];
            }

        } // Faces
        nbuf->unlock();
        ibuf->unlock();
        tbuf->unlock();

        // Now use Ogre's ability to reorganise the vertex buffers the best way
        Ogre::VertexDeclaration* newDecl = 
            ogreSubMesh->vertexData->vertexDeclaration->getAutoOrganisedDeclaration(
                foundBoneAssignment, false);
        Ogre::BufferUsageList bufferUsages;
        for (size_t u = 0; u <= newDecl->getMaxSource(); ++u)
            bufferUsages.push_back(Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
        ogreSubMesh->vertexData->reorganiseBuffers(newDecl, bufferUsages);


        logMgr.logMessage("Geometry done.");
    } // SubMesh

    // Set bounds
    ogreMesh->_setBoundingSphereRadius(Ogre::Math::Sqrt(maxSquaredRadius));
    ogreMesh->_setBounds(Ogre::AxisAlignedBox(min, max), false);


    // Keep hold of a Skeleton pointer for deletion later
    // Mesh uses Skeleton pointer for skeleton name
    Ogre::SkeletonPtr pSkel;

    if (exportSkeleton && foundBoneAssignment)
    {
        // export skeleton, also update mesh to point to it
        pSkel = doExportSkeleton(pModel, ogreMesh);
    }
    else if (!exportSkeleton && foundBoneAssignment)
    {
        // We've found bone assignments, but skeleton is not to be exported
        // Prompt the user to find the skeleton
        if (!locateSkeleton(ogreMesh))
            return;

    }

    // Export
    logMgr.logMessage("Creating MeshSerializer..");
    Ogre::MeshSerializer serializer;
    logMgr.logMessage("MeshSerializer created.");

    // Generate LODs if required
    if (generateLods)
    {
        // Build LOD depth list
        Ogre::Mesh::LodDistanceList distList;
        float depth = 0;
        for (unsigned short depthidx = 0; depthidx < numLods; ++depthidx)
        {
            depth += lodDepthIncrement;
            distList.push_back(depth);
        }

        ogreMesh->generateLodLevels(distList, lodReductionMethod, lodReductionAmount);
    }

    if (generateEdgeLists)
    {
        ogreMesh->buildEdgeList();
    }

    if (generateTangents)
    {
		unsigned short src, dest;
		ogreMesh->suggestTangentVectorBuildParams(tangentSemantic, src, dest);
		ogreMesh->buildTangentVectors(tangentSemantic, src, dest, tangentsSplitMirrored, tangentsSplitRotated, tangentsUseParity);
    }

    // Export
    Ogre::String msg;
	msg  = "Exporting mesh data to file '" + Ogre::String(szFile) + "'";
    logMgr.logMessage(msg);
    serializer.exportMesh(ogreMesh.getPointer(), szFile);
    logMgr.logMessage("Export successful");

    Ogre::MeshManager::getSingleton().remove(ogreMesh->getHandle());
    if (!pSkel.isNull())
        Ogre::SkeletonManager::getSingleton().remove(pSkel->getHandle());

	if (exportMaterials && msModel_GetMaterialCount(pModel) > 0)
	{
		doExportMaterials(pModel);
	}
}