C++ TransformKeyFrame::getScale方法代码示例

    //---------------------------------------------------------------------
    bool NodeAnimationTrack::hasNonZeroKeyFrames(void) const
    {
        KeyFrameList::const_iterator i = mKeyFrames.begin();
        for (; i != mKeyFrames.end(); ++i)
        {
            // look for keyframes which have any component which is non-zero
            // Since exporters can be a little inaccurate sometimes we use a
            // tolerance value rather than looking for nothing
            TransformKeyFrame* kf = static_cast<TransformKeyFrame*>(*i);
            Vector3 trans = kf->getTranslate();
            Vector3 scale = kf->getScale();
            Vector3 axis;
            Radian angle;
            kf->getRotation().ToAngleAxis(angle, axis);
            Real tolerance = 1e-3f;
            if (!trans.positionEquals(Vector3::ZERO, tolerance) ||
                !scale.positionEquals(Vector3::UNIT_SCALE, tolerance) ||
                !Math::RealEqual(angle.valueRadians(), 0.0f, tolerance))
            {
                return true;
            }

        }

        return false;
    }

    //---------------------------------------------------------------------
    void NodeAnimationTrack::optimise(void)
    {
        // Eliminate duplicate keyframes from 2nd to penultimate keyframe
        // NB only eliminate middle keys from sequences of 5+ identical keyframes
        // since we need to preserve the boundary keys in place, and we need
        // 2 at each end to preserve tangents for spline interpolation
        Vector3 lasttrans = Vector3::ZERO;
        Vector3 lastscale = Vector3::ZERO;
        Quaternion lastorientation;
        KeyFrameList::iterator i = mKeyFrames.begin();
        Radian quatTolerance(1e-3f);
        std::list<unsigned short> removeList;
        unsigned short k = 0;
        ushort dupKfCount = 0;
        for (; i != mKeyFrames.end(); ++i, ++k)
        {
            TransformKeyFrame* kf = static_cast<TransformKeyFrame*>(*i);
            Vector3 newtrans = kf->getTranslate();
            Vector3 newscale = kf->getScale();
            Quaternion neworientation = kf->getRotation();
            // Ignore first keyframe; now include the last keyframe as we eliminate
            // only k-2 in a group of 5 to ensure we only eliminate middle keys
            if (i != mKeyFrames.begin() &&
                newtrans.positionEquals(lasttrans) &&
                newscale.positionEquals(lastscale) &&
                neworientation.equals(lastorientation, quatTolerance))
            {
                ++dupKfCount;

                // 4 indicates this is the 5th duplicate keyframe
                if (dupKfCount == 4)
                {
                    // remove the 'middle' keyframe
                    removeList.push_back(k-2);
                    --dupKfCount;
                }
            }
            else
            {
                // reset
                dupKfCount = 0;
                lasttrans = newtrans;
                lastscale = newscale;
                lastorientation = neworientation;
            }
        }

        // Now remove keyframes, in reverse order to avoid index revocation
        std::list<unsigned short>::reverse_iterator r = removeList.rbegin();
        for (; r!= removeList.rend(); ++r)
        {
            removeKeyFrame(*r);
        }


    }

 //--------------------------------------------------------------------------
 void NodeAnimationTrack::_applyBaseKeyFrame(const KeyFrame* b)
 {
     const TransformKeyFrame* base = static_cast<const TransformKeyFrame*>(b);
     
     for (KeyFrameList::iterator i = mKeyFrames.begin(); i != mKeyFrames.end(); ++i)
     {
         TransformKeyFrame* kf = static_cast<TransformKeyFrame*>(*i);
         kf->setTranslate(kf->getTranslate() - base->getTranslate());
         kf->setRotation(base->getRotation().Inverse() * kf->getRotation());
         kf->setScale(kf->getScale() * (Vector3::UNIT_SCALE / base->getScale()));
     }
         
 }

void OgreSample19App::tweakSneakAnim()
{
	SkeletonPtr skel = SkeletonManager::getSingleton().load("jaiqua.skeleton",ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
	Animation * anim = skel->getAnimation("Sneak");
	Animation::NodeTrackIterator tracks = anim->getNodeTrackIterator();
	
	while(tracks.hasMoreElements())
	{
		NodeAnimationTrack * track = tracks.getNext();
		TransformKeyFrame oldKf(0,0);
		track->getInterpolatedKeyFrame(ANIM_CHOP,&oldKf);
		while (track->getKeyFrame(track->getNumKeyFrames()-1)->getTime() >= ANIM_CHOP - 0.3f)
		{
			track->removeKeyFrame(track->getNumKeyFrames()-1);
		}

		TransformKeyFrame * newKf = track->createNodeKeyFrame(ANIM_CHOP);
		TransformKeyFrame * startKf = track->getNodeKeyFrame(0);

		Bone * bone = skel->getBone(track->getHandle());

		if (bone->getName() == "Spineroot")
		{
			mSneakStartPos = startKf->getTranslate() + bone->getInitialPosition();
			mSneakEndPos = oldKf.getTranslate() + bone->getInitialPosition();
			mSneakStartPos.y = mSneakEndPos.y;
			newKf->setTranslate(oldKf.getTranslate());
			newKf->setRotation(oldKf.getRotation());
			newKf->setScale(oldKf.getScale());
		}
		else
		{
			newKf->setTranslate(startKf->getTranslate());
			newKf->setRotation(startKf->getRotation());
			newKf->setScale(startKf->getScale());
		}
	}
}

    //---------------------------------------------------------------------
    void NodeAnimationTrack::buildInterpolationSplines(void) const
    {
        // Allocate splines if not exists
        if (!mSplines)
        {
            mSplines = OGRE_NEW_T(Splines, MEMCATEGORY_ANIMATION);
        }

        // Cache to register for optimisation
        Splines* splines = mSplines;

        // Don't calc automatically, do it on request at the end
        splines->positionSpline.setAutoCalculate(false);
        splines->rotationSpline.setAutoCalculate(false);
        splines->scaleSpline.setAutoCalculate(false);

        splines->positionSpline.clear();
        splines->rotationSpline.clear();
        splines->scaleSpline.clear();

        KeyFrameList::const_iterator i, iend;
        iend = mKeyFrames.end(); // precall to avoid overhead
        for (i = mKeyFrames.begin(); i != iend; ++i)
        {
            TransformKeyFrame* kf = static_cast<TransformKeyFrame*>(*i);
            splines->positionSpline.addPoint(kf->getTranslate());
            splines->rotationSpline.addPoint(kf->getRotation());
            splines->scaleSpline.addPoint(kf->getScale());
        }

        splines->positionSpline.recalcTangents();
        splines->rotationSpline.recalcTangents();
        splines->scaleSpline.recalcTangents();


        mSplineBuildNeeded = false;
    }

    SkeletonPtr MergeSkeleton::bake()
    {    
        MeshCombiner::getSingleton().log( 
             "Baking: New Skeleton started" );

        SkeletonPtr sp = SkeletonManager::getSingleton().create( "mergeSkeleton", 
             ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, true );
        
        for( std::vector< Ogre::SkeletonPtr >::iterator it = m_Skeletons.begin();
             it != m_Skeletons.end(); ++it )
        {   
            if(  it == m_Skeletons.begin() )
            {
                MeshCombiner::getSingleton().log( 
                    "Baking: using " + (*it)->getName() + " as the base skeleton"   );

                MeshCombiner::getSingleton().log( 
                    "Baking: adding bones"   );
                Skeleton::BoneIterator bit = (*it)->getBoneIterator();
                while( bit.hasMoreElements() )
                {
                    Bone* bone = bit.getNext();
                    Bone* newbone = sp->createBone( bone->getName(), bone->getHandle() );
                    newbone->setScale( bone->getScale() );
                    newbone->setOrientation( bone->getOrientation() );
                    newbone->setPosition( bone->getPosition() );
                }
                MeshCombiner::getSingleton().log( 
                    "Baking: building bone hierarchy"   );
                // bone hierarchy
                bit = (*it)->getBoneIterator();
                while( bit.hasMoreElements() )
                {
                    Bone* bone = bit.getNext();
                    Node* pnode = bone->getParent();
                    if( pnode != NULL )
                    {
                        Bone* pbone = static_cast<Bone*>( pnode );
                        sp->getBone( pbone->getHandle() )->addChild( sp->getBone( bone->getHandle() ) );
                    }
                }
            }   

            MeshCombiner::getSingleton().log( 
                "Baking: adding animations for " + (*it)->getName() );

            // insert all animations
            for (unsigned short a=0; a < (*it)->getNumAnimations(); ++a )
            {
                Animation* anim = (*it)->getAnimation( a );
                Animation* newanim = sp->createAnimation( anim->getName(), anim->getLength() );

                if( anim->getNumNodeTracks() > 0 )
                    MeshCombiner::getSingleton().log( 
                        "Baking: adding node tracks" );
                for( unsigned short na=0; na < anim->getNumNodeTracks(); ++na )
                {
                    if( anim->hasNodeTrack( na ) )
                    {
                        NodeAnimationTrack* nat = anim->getNodeTrack( na );
                        NodeAnimationTrack* newnat = newanim->createNodeTrack( na );
                        // all key frames
                        for( unsigned short nf=0; nf < nat->getNumKeyFrames(); ++nf )
                        {
                            TransformKeyFrame* tkf = nat->getNodeKeyFrame( nf );
                            TransformKeyFrame* newtkf = newnat->createNodeKeyFrame( tkf->getTime() );
                            newtkf->setRotation( tkf->getRotation() );
                            newtkf->setTranslate( tkf->getTranslate() );
                            newtkf->setScale( tkf->getScale() );
                        }

                        newnat->setAssociatedNode( sp->getBone( nat->getHandle() ) );
                    }
                }

                if( anim->getNumNumericTracks() > 0 )
                    MeshCombiner::getSingleton().log( 
                        "Baking: adding numeric tracks" );
                for( unsigned short na=0; na < anim->getNumNumericTracks(); ++na )
                {
                    if( anim->hasNumericTrack( na ) )
                    {
                        NumericAnimationTrack* nat = anim->getNumericTrack( na );
                        NumericAnimationTrack* newnat = newanim->createNumericTrack( na );

                        // all key frames
                        for( unsigned short nf=0; nf < nat->getNumKeyFrames(); ++nf )
                        {
                            NumericKeyFrame* nkf = nat->getNumericKeyFrame( nf );
                            NumericKeyFrame* newnkf = newnat->createNumericKeyFrame( nkf->getTime() );
                            newnkf->setValue( nkf->getValue() );
                        }
                    }
                }

                if( anim->getNumVertexTracks() > 0 )
                    MeshCombiner::getSingleton().log( 
                        "Baking: adding vertex tracks" );
                for( unsigned short va=0; va < anim->getNumVertexTracks(); ++va )
                {
//.........这里部分代码省略.........

void ModelConverter::ExportSkeleton( const Ogre::Skeleton* pSkeleton, const Ogre::String& filename )
{
	LogManager::getSingleton().logMessage("Populating DOM...");

	// Write main skeleton data
	LogManager::getSingleton().logMessage("Exporting bones..");

	DiMotionPtr mt = Demi::DiAssetManager::GetInstancePtr(
		)->CreateOrReplaceAsset<DiMotion>(pSkeleton->getName().c_str());
	DiSkeleton* skeleton = mt->CreateSkeleton();
	
	// save bones
	WriteSkeleton(pSkeleton,skeleton);

	LogManager::getSingleton().logMessage("Bones exported.");

	unsigned short numAnims = pSkeleton->getNumAnimations();
	String msg = "Exporting animations, count=" + StringConverter::toString(numAnims);
	LogManager::getSingleton().logMessage(msg);

	// save animations
	for (unsigned short i = 0; i < numAnims; ++i)
	{
		Animation* pAnim = pSkeleton->getAnimation(i);
		msg = "Exporting animation: " + pAnim->getName();
		LogManager::getSingleton().logMessage(msg);

		Demi::DiAnimation* anim = mt->CreateAnimation(
			pAnim->getName().c_str(), pAnim->getLength());

		// save tracks
		Animation::NodeTrackIterator trackIt = pAnim->getNodeTrackIterator();
		size_t count = 0;
		while (trackIt.hasMoreElements())
		{
			NodeAnimationTrack* track = trackIt.getNext();

			Bone* bone = (Bone*)track->getAssociatedNode();
			Demi::DiNodeClip* clip = anim->CreateNodeClip(count++,skeleton->GetBone(bone->getHandle()));
			
			// save key frames
			for (unsigned short i = 0; i < track->getNumKeyFrames(); ++i)
			{
				TransformKeyFrame* kf = track->getNodeKeyFrame(i);

				Demi::DiTransformKeyFrame* pKeyframe = clip->CreateNodeKeyFrame(kf->getTime());

				pKeyframe->SetTranslate(Demi::DiVec3(kf->getTranslate().x,
										kf->getTranslate().y,kf->getTranslate().z));
				pKeyframe->SetRotation(Demi::DiQuat(kf->getRotation().w,
										kf->getRotation().x,kf->getRotation().y,kf->getRotation().z));
				pKeyframe->SetScale(Demi::DiVec3(kf->getScale().x,
										kf->getScale().y,kf->getScale().z));
			}
		}

		LogManager::getSingleton().logMessage("Animation exported.");
	}

	if (mt)
	{
		// save to file
		DiMotionSerializer ms;
		ms.ExportMotion(mt,filename);
	}
}