std::string readFbxAnimation(KFbxNode* pNode,
    KFbxScene& fbxScene,
    osg::ref_ptr<osgAnimation::AnimationManagerBase>& pAnimManager,
    const char* targetName)
{
    std::string result;
    for (int i = 0; i < fbxScene.GetSrcObjectCount(FBX_TYPE(KFbxAnimStack)); ++i)
    {
        KFbxAnimStack* pAnimStack = KFbxCast<KFbxAnimStack>(fbxScene.GetSrcObject(FBX_TYPE(KFbxAnimStack), i));

        int nbAnimLayers = pAnimStack->GetMemberCount(FBX_TYPE(KFbxAnimLayer));

        const char* pTakeName = pAnimStack->GetName();

        if (!pTakeName || !*pTakeName)
            continue;

        for (int j = 0; j < nbAnimLayers; j++)
        {
            KFbxAnimLayer* pAnimLayer = pAnimStack->GetMember(FBX_TYPE(KFbxAnimLayer), j);

            if (osgAnimation::Animation* pAnimation = readFbxAnimation(
                pNode, pAnimLayer, pTakeName, targetName, pAnimManager))
            {
                result = targetName;
            }
        }
    }
    return result;
}
Beispiel #2
0
void readAnimation(KFbxNode* pNode, KFbxScene& fbxScene, const std::string& targetName,
    osg::ref_ptr<osgAnimation::AnimationManagerBase>& pAnimationManager,
    KFbxMesh* pMesh, int nBlendShape, int nBlendShapeChannel, int nShape)
{
    for (int i = 0; i < fbxScene.GetSrcObjectCount(FBX_TYPE(KFbxAnimStack)); ++i)
    {
        KFbxAnimStack* pAnimStack = KFbxCast<KFbxAnimStack>(fbxScene.GetSrcObject(FBX_TYPE(KFbxAnimStack), i));

        int nbAnimLayers = pAnimStack->GetMemberCount(FBX_TYPE(KFbxAnimLayer));

        const char* pTakeName = pAnimStack->GetName();

        if (!pTakeName || !*pTakeName)
            continue;

        for (int j = 0; j < nbAnimLayers; j++)
        {
            KFbxAnimLayer* pAnimLayer = pAnimStack->GetMember(FBX_TYPE(KFbxAnimLayer), j);

            KFbxAnimCurve* pCurve = pMesh->GetShapeChannel(nBlendShape, nBlendShapeChannel, pAnimLayer, false);

            if (!pCurve)
            {
                continue;
            }

            int nKeys = pCurve->KeyGetCount();
            if (!nKeys)
            {
                continue;
            }

            osgAnimation::FloatLinearChannel* pChannel = new osgAnimation::FloatLinearChannel;
            std::vector<osgAnimation::TemplateKeyframe<float> >& keyFrameCntr = *pChannel->getOrCreateSampler()->getOrCreateKeyframeContainer();

            for (int k = 0; k < nKeys; ++k)
            {
                KFbxAnimCurveKey key = pCurve->KeyGet(k);
                double fTime = key.GetTime().GetSecondDouble();
                float fValue = static_cast<float>(key.GetValue() * 0.01);
                keyFrameCntr.push_back(osgAnimation::FloatKeyframe(fTime,fValue));
            }

            pChannel->setTargetName(targetName);
            std::stringstream ss;
            ss << nShape;
            pChannel->setName(ss.str());
            addChannel(pChannel, pAnimationManager, pTakeName);
        }
    }
}