//---------------------------------------------------------------------
void VertexPoseKeyFrame::_applyBaseKeyFrame(const VertexPoseKeyFrame* base)
{
// We subtract the matching pose influences in the base keyframe from the
// influences in this keyframe
for (PoseRefList::iterator i = mPoseRefs.begin(); i != mPoseRefs.end(); ++i)
{
PoseRef& myPoseRef = *i;
VertexPoseKeyFrame::ConstPoseRefIterator basePoseIt = base->getPoseReferenceIterator();
Real baseInfluence = 0.0f;
while (basePoseIt.hasMoreElements())
{
const VertexPoseKeyFrame::PoseRef& basePoseRef = basePoseIt.getNext();
if (basePoseRef.poseIndex == myPoseRef.poseIndex)
{
baseInfluence = basePoseRef.influence;
break;
}
}
myPoseRef.influence -= baseInfluence;
}
}
//---------------------------------------------------------------------
bool VertexAnimationTrack::hasNonZeroKeyFrames(void) const
{
if (mAnimationType == VAT_MORPH)
{
return !mKeyFrames.empty();
}
else
{
KeyFrameList::const_iterator i = mKeyFrames.begin();
for (; i != mKeyFrames.end(); ++i)
{
// look for keyframes which have a pose influence which is non-zero
const VertexPoseKeyFrame* kf = static_cast<const VertexPoseKeyFrame*>(*i);
VertexPoseKeyFrame::ConstPoseRefIterator poseIt
= kf->getPoseReferenceIterator();
while (poseIt.hasMoreElements())
{
const VertexPoseKeyFrame::PoseRef& poseRef = poseIt.getNext();
if (poseRef.influence > 0.0f)
return true;
}
}
return false;
}
}