void FBXScene::ProcessAnimations(FbxScene* pScene)
{
m_pAnimationController = new AnimationController();
FbxNode* pRootNode = pScene->GetRootNode();
if(!pRootNode)
return;
float fFrameRate = (float)FbxTime::GetFrameRate(pScene->GetGlobalSettings().GetTimeMode());
FbxArray<FbxString*> takeArray;
FbxDocument* pDocument = FbxCast<FbxDocument>(pScene); // dynamic_cast<FbxDocument*>(pScene);
if( pDocument )
pDocument->FillAnimStackNameArray(takeArray);
for( int i = 0; i < takeArray.GetCount(); ++i )
{
FbxString* takeName = takeArray.GetAt(i);
if( std::string(takeName->Buffer()) != "Default" )
{
/// ARRRGHHH SÄTTER ALLTID FÖRSTA HÄR!!!!!!!!!!!!!!!!!!
FbxTakeInfo* lCurrentTakeInfo = pScene->GetTakeInfo(takeName->Buffer());
FbxAnimStack* lAnimStack = FbxCast<FbxAnimStack>(pScene->GetSrcObject<FbxAnimStack>(i));
pScene->GetEvaluator()->SetContext(lAnimStack);
FbxTime KStart;
FbxTime KStop;
if(lCurrentTakeInfo)
{
KStart = lCurrentTakeInfo->mLocalTimeSpan.GetStart();
KStop = lCurrentTakeInfo->mLocalTimeSpan.GetStop();
}
else
{
// Take the time line value
FbxTimeSpan lTimeLineTimeSpan;
pScene->GetGlobalSettings().GetTimelineDefaultTimeSpan(lTimeLineTimeSpan);
KStart = lTimeLineTimeSpan.GetStart();
KStop = lTimeLineTimeSpan.GetStop();
}
float fStart = (float)KStart.GetSecondDouble();
float fStop = (float)KStop.GetSecondDouble();
if( fStart < fStop )
{
int nKeyFrames = int((fStop-fStart)*fFrameRate);
Animation* pAnimation = new Animation(takeName->Buffer(), nKeyFrames, fFrameRate);
m_pAnimationController->AddAnimation(pAnimation);
ProcessAnimation(pRootNode, takeName->Buffer(), fFrameRate, fStart, fStop);
}
}
delete takeName;
}
takeArray.Clear();
}
/**
* Add a bind pose to the scene based on the FbxMesh and skinning settings of the given node
*/
void FFbxExporter::CreateBindPose(FbxNode* MeshRootNode)
{
if (!MeshRootNode)
{
return;
}
// In the bind pose, we must store all the link's global matrix at the time of the bind.
// Plus, we must store all the parent(s) global matrix of a link, even if they are not
// themselves deforming any model.
// Create a bind pose with the link list
FbxArray<FbxNode*> lClusteredFbxNodes;
int i, j;
if (MeshRootNode->GetNodeAttribute())
{
int lSkinCount=0;
int lClusterCount=0;
switch (MeshRootNode->GetNodeAttribute()->GetAttributeType())
{
case FbxNodeAttribute::eMesh:
case FbxNodeAttribute::eNurbs:
case FbxNodeAttribute::ePatch:
lSkinCount = ((FbxGeometry*)MeshRootNode->GetNodeAttribute())->GetDeformerCount(FbxDeformer::eSkin);
//Go through all the skins and count them
//then go through each skin and get their cluster count
for(i=0; i<lSkinCount; ++i)
{
FbxSkin *lSkin=(FbxSkin*)((FbxGeometry*)MeshRootNode->GetNodeAttribute())->GetDeformer(i, FbxDeformer::eSkin);
lClusterCount+=lSkin->GetClusterCount();
}
break;
}
//if we found some clusters we must add the node
if (lClusterCount)
{
//Again, go through all the skins get each cluster link and add them
for (i=0; i<lSkinCount; ++i)
{
FbxSkin *lSkin=(FbxSkin*)((FbxGeometry*)MeshRootNode->GetNodeAttribute())->GetDeformer(i, FbxDeformer::eSkin);
lClusterCount=lSkin->GetClusterCount();
for (j=0; j<lClusterCount; ++j)
{
FbxNode* lClusterNode = lSkin->GetCluster(j)->GetLink();
AddNodeRecursively(lClusteredFbxNodes, lClusterNode);
}
}
// Add the patch to the pose
lClusteredFbxNodes.Add(MeshRootNode);
}
}
// Now create a bind pose with the link list
if (lClusteredFbxNodes.GetCount())
{
// A pose must be named. Arbitrarily use the name of the patch node.
FbxPose* lPose = FbxPose::Create(Scene, MeshRootNode->GetName());
// default pose type is rest pose, so we need to set the type as bind pose
lPose->SetIsBindPose(true);
for (i=0; i<lClusteredFbxNodes.GetCount(); i++)
{
FbxNode* lKFbxNode = lClusteredFbxNodes.GetAt(i);
FbxMatrix lBindMatrix = lKFbxNode->EvaluateGlobalTransform();
lPose->Add(lKFbxNode, lBindMatrix);
}
// Add the pose to the scene
Scene->AddPose(lPose);
}
}