C++ MeshPtr::getPointer方法代码示例

	//-----------------------------------------------------------------------
	void EntityRenderer::_prepare(ParticleTechnique* technique)
	{
		/** 
			- This renderer is a ´hacky´ solution to display geometry-based particles. It pre-creates a 
			number of SceneNodes (childs of the parent Node to which the ParticleSystem is attached) and 
			Entities and uses these pools to display the particles. There are better solutions, but 
			this one is simple and fast enough, although it has some drawbacks.
			- Future solutions should rather make use of hardware instancing to display a large number of
			geometry-based particles at once.
		*/

		// Use the given technique, although it should be the same as mParentTechnique (must be set already)
		if (!technique || mRendererInitialised)
			return;

		std::stringstream ss; 
		ss << this;
		mEntityName = mMeshName + ss.str();
		mQuota = technique->getVisualParticleQuota();
		Ogre::SceneNode* parentNode = technique->getParentSystem()->getParentSceneNode();
		Ogre::MeshPtr mesh = Ogre::MeshManager::getSingleton().load(mMeshName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
		Ogre::Mesh* meshPointer = mesh.getPointer();
		Vector3 size = meshPointer->getBounds().getSize();
		mBoxWidth = size.x == 0.0f ? 1.0f : size.x;
		mBoxHeight = size.y == 0.0f ? 1.0f : size.y;
		mBoxDepth = size.z == 0.0f ? 1.0f : size.z;

		if (parentNode)
		{
			// Create number of VisualData objects including SceneNodes
			String sceneNodeName;
			for (size_t i = 0; i < mQuota; i++)
			{
				sceneNodeName = "ParticleUniverse" + ss.str() + StringConverter::toString(i);
				EntityRendererVisualData* visualData = 
					PU_NEW_T(EntityRendererVisualData, MEMCATEGORY_SCENE_OBJECTS)(parentNode->createChildSceneNode(sceneNodeName));

				mAllVisualData.push_back(visualData); // Managed by this renderer
				mVisualData.push_back(visualData); // Used to assign to a particle
			}

			// Create number of Entities
			Ogre::Entity* entity = technique->getParentSystem()->getSceneManager()->createEntity(mEntityName, mMeshName); // Base entity
			vector<EntityRendererVisualData*>::const_iterator it;
			vector<EntityRendererVisualData*>::const_iterator itEnd = mAllVisualData.end();
			size_t j;
			for (it = mAllVisualData.begin(), j = 0; it != itEnd; ++it, ++j)
			{
				Ogre::Entity* clonedEntity = entity->clone(mEntityName + StringConverter::toString(j));
				clonedEntity->setMaterialName(technique->getMaterialName());
				clonedEntity->setRenderQueueGroup(mQueueId);
				mEntities.push_back(clonedEntity);
				(*it)->node->attachObject(clonedEntity);
			}
			technique->getParentSystem()->getSceneManager()->destroyEntity(mEntityName);
		}

		_makeNodesVisible(false);
		mRendererInitialised = true;
	}

Ogre::MeshPtr CMapLoader::LoadModel(const char * path)
{
	MapResource<Ogre::MeshPtr> res;
	Ogre::MeshPtr pMesh;

	// Check if this model was already loaded
	pMesh = Ogre::MeshManager::getSingleton().getByName(path);
	if(!pMesh.isNull())
		return pMesh;

	sectionitem_t * item = LoadItem(path, &res.map);
	if(item == NULL)
		return Ogre::MeshPtr(NULL);

	pMesh = Ogre::MeshManager::getSingleton().createManual(path,
		Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);

	Ogre::DataStreamPtr stream(new Ogre::MemoryDataStream(item->data, item->size, false, true));
	Ogre::MeshSerializer serializer;
	serializer.importMesh(stream, pMesh.getPointer());

	// No need to keep this in memory
	mapUnloadItem(item);

	// Track this resource
	res.data = pMesh;
	meshes.push_back(res);
	
	return pMesh;
}

void gkMesh::updateBounds()
{
    m_boundsInit = false;
    getBoundingBox();

    // update ogre-bounds
	Ogre::MeshManager& mgr = Ogre::MeshManager::getSingleton();
	const gkString& name = getResourceName().getName();

	Ogre::MeshPtr omesh = mgr.getByName(name);

	if (!omesh.isNull()){
		omesh.getPointer()->_setBounds(m_bounds, false);
		omesh.getPointer()->_setBoundingSphereRadius(m_bounds.getSize().squaredLength());
	}
}

void gkMesh::reload()
{
	Ogre::MeshManager& mgr = Ogre::MeshManager::getSingleton();
	const gkString& name = getResourceName().getName();

	Ogre::MeshPtr omesh = mgr.getByName(name);
	
	if (!omesh.isNull())
		omesh.getPointer()->reload();
}

	//-----------------------------------------------------------------------
	void VertexEmitter::_loadMesh (void)
	{
		Ogre::MeshPtr mesh = Ogre::MeshManager::getSingleton().load(mMeshName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
		mMesh = mesh.getPointer();
		mMeshProcessed = false;
			
		if (mMesh->getNumSubMeshes() > 0)
		{
			mSubMesh = mMesh->getSubMesh(0);
		}
		else
		{
			mSubMesh = 0;
		}
	}

	void Process() {
		Ogre::String targetFilename = LG::RendererOgre::Instance()->EntityNameToFilename(this->meshName, Ogre::String(""));

		// Make sure the directory exists -- I wish the serializer did this for me
		LG::RendererOgre::Instance()->CreateParentDirectory(targetFilename);
		LG::Log("OLMeshTracker::MakePersistant: persistance to %s", targetFilename.c_str());
		
		Ogre::MeshPtr meshHandle = (Ogre::MeshPtr)Ogre::MeshManager::getSingleton().getByName(meshName);
		LG::OLMeshTracker::Instance()->MeshSerializer->exportMesh(meshHandle.getPointer(), targetFilename);
		if (this->stringParam == "unload") {
			LG::Log("OLMeshTracker::MakePersistant: queuing unload after persistance");
			// if we're supposed to unload after serializing, schedule that to happen
			LG::OLMeshTracker::Instance()->MakeUnLoadedLocked(this->meshName, Ogre::String(), NULL);
		}
	}

void CMapLoader::UnloadModel(Ogre::MeshPtr mesh)
{
	Ogre::ResourceHandle handle = mesh->getHandle();
	// Ogre::MeshManager::getSingleton().unload(handle);
	Ogre::MeshManager::getSingleton().remove(handle);

	std::vector<MapResource<Ogre::MeshPtr>>::iterator i;
	for(i = meshes.begin();i != meshes.end();i++)
	{
		if(i->data.getPointer() == mesh.getPointer())
		{
			meshes.erase(i);
		}
	}
}

Ogre::Entity*
ModelFile::GetModel( const ModelInfo& info )
{
    VectorTexForGen textures;
    Ogre::MeshPtr mesh = Ogre::MeshManager::getSingleton().create( info.data.name + "export", "General" );
    Ogre::SkeletonPtr skeleton = Ogre::SkeletonManager::getSingleton().create( info.data.name + "export", "General" );

    int number_of_bones = GetU8( 0x02 );
    int number_of_parts = GetU8( 0x03 );
    int offset_to_bones = GetU32LE( 0x0c );
    int offset_to_parts = GetU32LE( 0x10 );



    Ogre::Bone* root1 = skeleton->createBone( "0", 0 );
    Ogre::Bone* root2 = skeleton->createBone( "1", 1 );
    root1->addChild( root2 );

    for( int i = 0; i < number_of_bones; ++i )
    {
        Bone bone;
        bone.parent_id = ( i != 0 ) ? ( s8 )GetU8( offset_to_bones + i * 0x04 + 0x03 ) : -1;
        bone.length    = ( s16 )GetU16LE( offset_to_bones + i * 0x04 + 0x00 );
        m_Skeleton.push_back(bone);

        Ogre::Bone* bone1 = skeleton->createBone( Ogre::StringConverter::toString( i * 2 + 2 ), i * 2 + 2 );
        Ogre::Bone* bone2 = skeleton->createBone( Ogre::StringConverter::toString( i * 2 + 3 ), i * 2 + 3 );

        LOGGER->Log( "Add skeleton bone: bone_id = " + Ogre::StringConverter::toString( i ) + ", length = " + Ogre::StringConverter::toString( bone.length ) + ", parent = " + Ogre::StringConverter::toString( bone.parent_id ) + ".\n" );

        if( bone.parent_id == -1 )
        {
            skeleton->getBone( 1 )->addChild( bone1 );
        }
        else
        {
            skeleton->getBone( bone.parent_id * 2 + 3 )->addChild( bone1 );
        }
        bone1->addChild( bone2 );
    }



    AnimationExtractor( skeleton, info, m_Skeleton );



    // draw skeleton
    {
        //DrawSkeleton( m_Skeleton, mesh );
    }



    for( int i = 0; i < number_of_parts; ++i )
    {
        MeshExtractor( info.data, "ffix/field_model/" + info.data.name, this, offset_to_parts + i * 0x28, textures, mesh );
    }



    // <OGRE> ///////////////////////////////
    skeleton->optimiseAllAnimations();
    Ogre::SkeletonSerializer skeleton_serializer;
    skeleton_serializer.exportSkeleton( skeleton.getPointer(), "exported/models/field/units/" + info.data.name + ".skeleton" );

    // Update bounds
    Ogre::AxisAlignedBox aabb( -999, -999, -999, 999, 999, 999 );
    mesh->_setBounds( aabb, false );
    mesh->_setBoundingSphereRadius( 999 );

    mesh->setSkeletonName( "models/field/units/" + info.data.name + ".skeleton" );

    Ogre::MeshSerializer ser;
    ser.exportMesh( mesh.getPointer(), "exported/models/field/units/" + info.data.name + ".mesh" );



    // create and export textures for model
    //if (textures.size() > 0)
    {
        Vram* vram = new Vram();

        File* tex = new File( "./data/field/5/1b/2/4/1.tim" );
        LoadTimFileToVram( tex, 0, vram );
        delete tex;
        tex = new File( "./data/field/5/1b/2/4/2.tim" );
        LoadTimFileToVram( tex, 0, vram );
        delete tex;

        vram->Save( "1.jpg" );

        CreateTexture( vram, info.data, "exported/models/field/units/" + info.data.name + ".png", textures );

        delete vram;
    }



    CreateMaterial( "ffix/field_model/" + info.data.name, "exported/models/field/units/" + info.data.name + ".material", ( textures.size() > 0 ) ? "models/field/units/" + info.data.name + ".png" : "", "", "" );
//.........这里部分代码省略.........

//.........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);
	}
}

//.........这里部分代码省略.........
	ManualObject->position(1, 1, 1);
	ManualObject->triangle(18, 19, 20);

	ManualObject->position(1, 0, 0);
	ManualObject->position(1, 1, 1);
	ManualObject->position(1, 0, 1);
	ManualObject->triangle(21, 22, 23);
	//face 5
	ManualObject->position(0, 1, 0);
	ManualObject->position(1, 1, 0);
	ManualObject->position(0, 1, 1);
	ManualObject->triangle(24, 25, 26);

	ManualObject->position(1, 1, 0);
	ManualObject->position(1, 1, 1);
	ManualObject->position(0, 1, 1);
	ManualObject->triangle(27, 28, 29);
	
	//face 6
	ManualObject->position(0, 0, 0);
	ManualObject->position(0, 1, 1);
	ManualObject->position(0, 0, 1);
	ManualObject->triangle(30, 31, 32);

	ManualObject->position(0, 0, 0);
	ManualObject->position(0, 1, 0);
	ManualObject->position(0, 1, 1);
	ManualObject->triangle(33, 34, 35);

	ManualObject->end();
	Ogre::MeshPtr MeshPtr = ManualObject->convertToMesh("Animation");
	Ogre::SubMesh* sub = MeshPtr->getSubMesh(0);
	
	Ogre::SkeletonPtr Skeleton = Ogre::SkeletonManager::getSingleton().create("Skeleton", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
	MeshPtr.getPointer()->_notifySkeleton(Skeleton);
	Ogre::Bone *Root1 = NULL;
	Ogre::Bone *Child1 = NULL;
	Ogre::Bone *Child2 = NULL;

	Root1 = Skeleton.getPointer()->createBone("Root");
	Root1->setPosition(Ogre::Vector3(0.0, 0.0, 0.0));
	Root1->setOrientation(Ogre::Quaternion::IDENTITY);
	
	Child1 = Root1->createChild(1);
	Child1->setPosition(Ogre::Vector3(4.0, 0.0, 0.0));
	Child1->setOrientation(Ogre::Quaternion::IDENTITY);
	Child2 = Root1->createChild(2);
	Child2->setPosition(Ogre::Vector3(5.0, 0.0, 0.0));
	Child2->setOrientation(Ogre::Quaternion::IDENTITY);

	Ogre::VertexBoneAssignment Assignment;

	Assignment.boneIndex = 0;
	Assignment.vertexIndex = 0;
	Assignment.weight = 1.0;
	Skeleton->setBindingPose();

	sub->addBoneAssignment(Assignment);

	Assignment.vertexIndex = 1;
	sub->addBoneAssignment(Assignment);

	Assignment.vertexIndex = 2;
	sub->addBoneAssignment(Assignment);

	Ogre::Animation *Animation = MeshPtr->createAnimation("HandAnimation", 100.0);
	Ogre::NodeAnimationTrack *Track = Animation->createNodeTrack(0, Root1);
	Ogre::TransformKeyFrame *KeyFrame = NULL;

	for (float FrameTime = 0.0; FrameTime < 100.0; FrameTime += 0.1)
	{
		KeyFrame = Track->createNodeKeyFrame(FrameTime);
		KeyFrame->setTranslate(Ogre::Vector3(10.0, 0.0, 0.0));
	}

	Root1->setManuallyControlled(true);
	Child1->setManuallyControlled(true);
	Child2->setManuallyControlled(true);
	MeshPtr->load();

	MeshPtr.getPointer()->_notifySkeleton(Skeleton);
		
//	Ogre::SkeletonSerializer skeletonSerializer;
//	skeletonSerializer.exportSkeleton(Skeleton.get(), "C:\\Users\\Ilya\\Documents\\Visual Studio 2010\\Projects\\Recipes\\media\\models\\testskeleton.skeleton");
//	Ogre::MeshSerializer ser;
//    ser.exportMesh(MeshPtr.get(), "C:\\Users\\Ilya\\Documents\\Visual Studio 2010\\Projects\\Recipes\\media\\models\\testskeleton.mesh");

	Ogre::Entity *Entity = SceneManager->createEntity("Animation", "Animation"/*"testskeleton.mesh"*/);
	Ogre::SceneNode *SceneNode = SceneManager->getRootSceneNode()->createChildSceneNode();
	SceneNode->attachObject(Entity);
	Entity->setDisplaySkeleton(true);

	m_AnimationState = Entity->getAnimationState("HandAnimation");
	m_AnimationState->setEnabled(true);
	m_AnimationState->setLoop(true);
	
	m_Camera->setPolygonMode(Ogre::PolygonMode::PM_WIREFRAME);
	 
	Root->renderOneFrame();
}

Ogre::Entity*
StageFile::GetModel( const StageInfo& info )
{
    //DumpSettings("exported/" + info.data.name + ".lua");

    VectorTexForGen textures;
    Ogre::MeshPtr mesh = Ogre::MeshManager::getSingleton().create(info.data.name + "export", "General");
    Ogre::SkeletonPtr skeleton = Ogre::SkeletonManager::getSingleton().create(info.data.name + "export", "General");

    u32 number_of_files = GetU32LE(0);
    LOGGER->Log("Number of file " + IntToString(number_of_files) + "\n");



    Ogre::Bone* root1 = skeleton->createBone( "0", 0 );
    Ogre::Bone* root2 = skeleton->createBone( "1", 1 );
    root1->addChild( root2 );

    Ogre::Animation* anim = skeleton->createAnimation( "Idle", 1 );
    Ogre::NodeAnimationTrack* track1 = anim->createNodeTrack( 0, root1 );
    track1->removeAllKeyFrames();
    Ogre::TransformKeyFrame* frame1 = track1->createNodeKeyFrame( 0 );
    Ogre::Matrix3 matrix;
    matrix.FromEulerAnglesYXZ( Ogre::Radian( Ogre::Degree( 0 ) ), Ogre::Radian( Ogre::Degree( -90 ) ), Ogre::Radian( Ogre::Degree( 0 ) ) );
    Ogre::Quaternion rot;
    rot.FromRotationMatrix( matrix );
    frame1->setRotation( rot );



    for (u32 i = 1; i < number_of_files - 1; ++i)
    {
        int offset_to_vertex = GetU32LE(0x04 + i * 0x04);
        MeshExtractor(info.data, "ffvii/battle_stage/" + info.data.name, this, offset_to_vertex, textures, mesh, Ogre::StringConverter::toString(i), 1);
    }



    // <OGRE> ///////////////////////////////
    skeleton->optimiseAllAnimations();
    Ogre::SkeletonSerializer skeleton_serializer;
    skeleton_serializer.exportSkeleton(skeleton.getPointer(), "exported/models/ffvii/battle/stages/" + info.data.name + ".skeleton");

    // Update bounds
    Ogre::AxisAlignedBox aabb(-999, -999, -999, 999, 999, 999);
    mesh->_setBounds(aabb, false);
    mesh->_setBoundingSphereRadius(999);

    mesh->setSkeletonName( "models/ffvii/battle/stages/" + info.data.name + ".skeleton" );

    Ogre::MeshSerializer ser;
    ser.exportMesh(mesh.getPointer(), "exported/models/ffvii/battle/stages/" + info.data.name + ".mesh");



    // create and export textures for model
    if( textures.size() > 0 )
    {
        int number_of_files = GetU32LE( 0x00 );
        int offset_to_texture = GetU32LE( number_of_files * 0x04 );
        Vram* vram = Vram::MakeInstance().release();

        LoadTimFileToVram( this, offset_to_texture, vram );
        //vram->Save( "qqq" );
        CreateTexture( vram, info.data, "exported/models/ffvii/battle/stages/" + info.data.name + ".png", textures );
        delete vram;
    }



    CreateMaterial("ffvii/battle_stage/" + info.data.name, "exported/models/ffvii/battle/stages/" + info.data.name + ".material", "models/ffvii/battle/stages/" + info.data.name + ".png", "", "");



    Ogre::SceneManager* scene_manager = Ogre::Root::getSingleton().getSceneManager( "Scene" );
    Ogre::Entity* thisEntity = scene_manager->createEntity( info.data.name, "models/ffvii/battle/stages/" + info.data.name + ".mesh" );
    //thisEntity->setDisplaySkeleton(true);
    //thisEntity->setDebugDisplayEnabled(true);
    thisEntity->setVisible(false);
    thisEntity->getAnimationState( "Idle" )->setEnabled( true );
    thisEntity->getAnimationState( "Idle" )->setLoop( true );
    Ogre::SceneNode* thisSceneNode = scene_manager->getRootSceneNode()->createChildSceneNode();
    thisSceneNode->setPosition( 0, 0, 0 );
    thisSceneNode->roll( Ogre::Radian( Ogre::Degree( 180.0f ) ) );
    thisSceneNode->yaw( Ogre::Radian( Ogre::Degree( 120.0f ) ) );
    thisSceneNode->pitch( Ogre::Radian( Ogre::Degree( 90.0f ) ) );
    thisSceneNode->attachObject( thisEntity );

    return thisEntity;
}