//-----------------------------------------------------------------------------
void XsiSkeletonExporter::sampleAllBones(DeformerMap& deformers,
std::vector<NodeAnimationTrack*> deformerTracks, double frame,
Real time, float fps, AxisAlignedBox& AABBPadding)
{
CValueArray args;
CValue dummy;
args.Resize(2);
// set the playcontrol
args[0] = L"PlayControl.Key";
args[1] = frame;
mXsiApp.ExecuteCommand(L"SetValue", args, dummy);
args[0] = L"PlayControl.Current";
mXsiApp.ExecuteCommand(L"SetValue", args, dummy);
// Refresh
mXsiApp.ExecuteCommand(L"Refresh", CValueArray(), dummy);
// Sample all bones
for (DeformerMap::iterator di = deformers.begin(); di != deformers.end(); ++di)
{
DeformerEntry* deformer = di->second;
NodeAnimationTrack* track = deformerTracks[deformer->boneID];
double initposx, initposy, initposz;
deformer->initialXform.GetTranslationValues(initposx, initposy, initposz);
double initrotx, initroty, initrotz;
deformer->initialXform.GetRotation().GetXYZAngles(initrotx, initroty, initrotz);
double initsclx, initscly, initsclz;
deformer->initialXform.GetScalingValues(initsclx, initscly, initsclz);
XSI::MATH::CMatrix4 invTrans = deformer->initialXform.GetMatrix4();
invTrans.InvertInPlace();
XSI::MATH::CTransformation transformation;
if (deformer->pBone->getParent() == 0)
{
// Based on global
transformation =
deformer->obj.GetKinematics().GetGlobal().GetTransform();
}
else
{
// Based on local
transformation =
deformer->obj.GetKinematics().GetLocal().GetTransform();
}
double posx, posy, posz;
transformation.GetTranslationValues(posx, posy, posz);
double sclx, scly, sclz;
transformation.GetScalingValues(sclx, scly, sclz);
// Make relative to initial
XSI::MATH::CMatrix4 transformationMatrix = transformation.GetMatrix4();
transformationMatrix.MulInPlace(invTrans);
transformation.SetMatrix4(transformationMatrix);
// create keyframe
TransformKeyFrame* kf = track->createNodeKeyFrame(time);
// not sure why inverted transform doesn't work for position, but it doesn't
// I thought XSI used same transform order as OGRE
kf->setTranslate(Vector3(posx - initposx, posy - initposy, posz - initposz));
kf->setRotation(XSItoOgre(transformation.GetRotationQuaternion()));
kf->setScale(Vector3(sclx / initsclx, scly / initscly, sclz / initsclz));
// Derive AABB of bone positions, for padding animated mesh AABB
XSI::MATH::CVector3 bonePos =
deformer->obj.GetKinematics().GetGlobal().GetTransform().GetTranslation();
AABBPadding.merge(XSItoOgre(bonePos));
}
}
