void CalMixer::updateSkeleton()
{
// get the skeleton we need to update
CalSkeleton *pSkeleton;
pSkeleton = m_pModel->getSkeleton();
if(pSkeleton == 0) return;
// clear the skeleton state
pSkeleton->clearState();
// get the bone vector of the skeleton
std::vector<CalBone *>& vectorBone = pSkeleton->getVectorBone();
// The bone adjustments are "replace" so they have to go first, giving them
// highest priority and full influence. Subsequent animations affecting the same bones,
// including subsequent replace animations, will have their incluence attenuated appropriately.
applyBoneAdjustments();
// loop through all animation actions
std::list<CalAnimationAction *>::iterator itaa;
for( itaa = m_listAnimationAction.begin(); itaa != m_listAnimationAction.end(); itaa++ ) {
// get the core animation instance
CalAnimationAction * aa = * itaa;
// Manual animations can be on or off. If they are off, they do not apply
// to the bone.
if( aa->on() ) {
CalCoreAnimation * pCoreAnimation = aa->getCoreAnimation();
// get the list of core tracks of above core animation
std::list<CalCoreTrack *>& listCoreTrack = pCoreAnimation->getListCoreTrack();
// loop through all core tracks of the core animation
std::list<CalCoreTrack *>::iterator itct;
for( itct = listCoreTrack.begin(); itct != listCoreTrack.end(); itct++ ) {
// get the appropriate bone of the track
CalCoreTrack * ct = * itct;
if( ct->getCoreBoneId() >= int(vectorBone.size()) ) {
continue;
}
CalBone * pBone = vectorBone[ ct->getCoreBoneId() ];
// get the current translation and rotation
CalVector translation;
CalQuaternion rotation;
ct->getState( aa->getTime(), translation, rotation);
// Replace and CrossFade both blend with the replace function.
bool replace = aa->getCompositionFunction() != CalAnimation::CompositionFunctionAverage;
float scale = aa->getScale();
pBone->blendState( aa->getWeight(), translation, rotation, scale, replace, aa->getRampValue() );
}
}
}
// === What does lockState() mean? Why do we need it at all? It seems only to allow us
// to blend all the animation actions together into a temporary sum, and then
// blend all the animation cycles together into a different sum, and then blend
// the two sums together according to their relative weight sums. I believe this is mathematically
// equivalent of blending all the animation actions and cycles together into a single sum,
// according to their relative weights.
pSkeleton->lockState();
// let the skeleton calculate its final state
pSkeleton->calculateState();
}
void CalMixer::updateSkeleton()
{
// get the skeleton we need to update
CalSkeleton *pSkeleton;
pSkeleton = m_pModel->getSkeleton();
if(pSkeleton == 0) return;
// clear the skeleton state
pSkeleton->clearState();
// get the bone vector of the skeleton
std::vector<CalBone *>& vectorBone = pSkeleton->getVectorBone();
// loop through all animation actions
std::list<CalAnimationAction *>::iterator iteratorAnimationAction;
for(iteratorAnimationAction = m_listAnimationAction.begin(); iteratorAnimationAction != m_listAnimationAction.end(); ++iteratorAnimationAction)
{
// get the core animation instance
CalCoreAnimation *pCoreAnimation;
pCoreAnimation = (*iteratorAnimationAction)->getCoreAnimation();
// Ask the animation for the pose at the given time
std::vector<CalTransform> pose;
pose.resize(pCoreAnimation->getTrackCount());
pCoreAnimation->getPose((*iteratorAnimationAction)->getTime(), pose);
// Blend the pose into the current bone states
for (unsigned bone_id = 0; bone_id < pSkeleton->getCoreSkeleton()->getVectorCoreBone().size(); ++bone_id)
{
int track_number = pCoreAnimation->getTrackAssignment(bone_id);
// Skip this bone if the bone does not have a track assigned in the animation
if (track_number == -1)
{
continue;
}
// Blend the animation pose with the skeleton
CalBone* pBone = vectorBone[bone_id];
pBone->blendState((*iteratorAnimationAction)->getWeight(), pose[track_number].getTranslation(), pose[track_number].getRotation());
}
}
// lock the skeleton state
pSkeleton->lockState();
// loop through all animation cycles
std::list<CalAnimationCycle *>::iterator iteratorAnimationCycle;
for(iteratorAnimationCycle = m_listAnimationCycle.begin(); iteratorAnimationCycle != m_listAnimationCycle.end(); ++iteratorAnimationCycle)
{
// get the core animation instance
CalCoreAnimation *pCoreAnimation;
pCoreAnimation = (*iteratorAnimationCycle)->getCoreAnimation();
// calculate adjusted time
float animationTime;
if((*iteratorAnimationCycle)->getState() == CalAnimation::STATE_SYNC)
{
if(m_animationDuration == 0.0f)
{
animationTime = 0.0f;
}
else
{
animationTime = m_animationTime * pCoreAnimation->getDuration() / m_animationDuration;
}
}
else
{
animationTime = (*iteratorAnimationCycle)->getTime();
}
// Ask the animation for the pose at the given time
std::vector<CalTransform> pose;
pose.resize(pCoreAnimation->getTrackCount());
pCoreAnimation->getPose(animationTime, pose);
// Blend the pose into the current bone states
for (unsigned index = 0; index < pose.size(); ++index)
{
int track_number = pCoreAnimation->getTrackAssignment(index);
// Skip this bone if the bone does not have a track assigned in the animation
if (track_number == -1)
{
continue;
}
CalBone* pBone = vectorBone[index];
pBone->blendState((*iteratorAnimationCycle)->getWeight(), pose[track_number].getTranslation(), pose[track_number].getRotation());
}
}
// lock the skeleton state
pSkeleton->lockState();
// let the skeleton calculate its final state
pSkeleton->calculateState();
}
