//------------------------------------------------------------------------------//
// Export the skeleton from a Maxscript call --//
//------------------------------------------------------------------------------//
bool CMaxInterface::ExportSkeletonFromMaxscriptCall(const std::string& strFilename, bool bShowUI)
{
// build a skeleton candidate
CSkeletonCandidate skeletonCandidate;
if(!skeletonCandidate.CreateFromInterfaceFromMaxScriptCall()) return false;
//Does the user wants to see the UI and select the bones himself ?
if (bShowUI)
{
// show export wizard sheet
CSkeletonExportSheet sheet(_T("Cal3D Skeleton Export"), GetMainWnd());
sheet.SetSkeletonCandidate(&skeletonCandidate);
sheet.SetWizardMode();
if(sheet.DoModal() != ID_WIZFINISH) return true;
}
// build the selected ids of the bone candidates
int selectedCount = skeletonCandidate.BuildSelectedId();
if(selectedCount == 0)
{
theExporter.SetLastError("No bones selected to export.", __FILE__, __LINE__);
return false;
}
// create the core skeleton instance
CalCoreSkeletonPtr coreSkeleton = new CalCoreSkeleton;
// get bone candidate vector
std::vector<CBoneCandidate *>& vectorBoneCandidate = skeletonCandidate.GetVectorBoneCandidate();
// start the progress info
StartProgressInfo("Exporting to skeleton file...");
size_t boneCandidateId;
int selectedId;
for(boneCandidateId = 0, selectedId = 0; boneCandidateId < vectorBoneCandidate.size(); boneCandidateId++)
{
// get the bone candidate
CBoneCandidate *pBoneCandidate;
pBoneCandidate = vectorBoneCandidate[boneCandidateId];
// only export selected bone candidates
if(pBoneCandidate->IsSelected())
{
// update the progress info
SetProgressInfo(int(100.0f * (selectedId + 1) / selectedCount));
selectedId++;
// allocate new core bone instance
CalCoreBone *pCoreBone = new CalCoreBone(pBoneCandidate->GetNode()->GetName());
// get the parent id of the bone candidate
int parentId;
parentId = skeletonCandidate.GetParentSelectedId(boneCandidateId);
// set the parentId
pCoreBone->setParentId(parentId);
// get the translation and the rotation of the bone candidate
CalVector translation;
CalQuaternion rotation;
skeletonCandidate.GetTranslationAndRotation(boneCandidateId, -1.0f, translation, rotation);
// set the translation and rotation
pCoreBone->setTranslation(translation);
pCoreBone->setRotation(rotation);
// get the bone space translation and the rotation of the bone candidate
CalVector translationBoneSpace;
CalQuaternion rotationBoneSpace;
skeletonCandidate.GetTranslationAndRotationBoneSpace(boneCandidateId, -1.0f, translationBoneSpace, rotationBoneSpace);
// set the bone space translation and rotation
pCoreBone->setTranslationBoneSpace(translationBoneSpace);
pCoreBone->setRotationBoneSpace(rotationBoneSpace);
// set the core skeleton of the core bone instance
pCoreBone->setCoreSkeleton(coreSkeleton.get());
// add the core bone to the core skeleton instance
int boneId;
boneId = coreSkeleton->addCoreBone(pCoreBone);
// adjust child list of parent bone
if(parentId != -1)
{
// get parent core bone
CalCoreBone *pParentCoreBone;
pParentCoreBone = coreSkeleton->getCoreBone(parentId);
if(pParentCoreBone == 0)
{
theExporter.SetLastError(CalError::getLastErrorText(), __FILE__, __LINE__);
delete pCoreBone;
StopProgressInfo();
return false;
}
// add this core bone to the child list of the parent bone
pParentCoreBone->addChildId(boneId);
}
}
}
// stop the progress info
StopProgressInfo();
// save core skeleton to the file
if(!CalSaver::saveCoreSkeleton(strFilename, coreSkeleton.get()))
{
theExporter.SetLastError(CalError::getLastErrorText(), __FILE__, __LINE__);
return false;
}
return true;
}
void SGP_MaxInterface::GetTracks( int nNodeCount, INode** nodes, Track** tracks )
{
StartProgressInfo(_M("Get node track..."));
TimeValue nStartTick = GetStartTick();
TimeValue nEndTick = GetEndTick();
int nTickPerFrame = GetTickPerFrame();
int nFrameCount = 0;
for( TimeValue t = nStartTick; t <= nEndTick; t += nTickPerFrame )
nFrameCount++;
for( int i = 0; i < nNodeCount; i++ )
{
tracks[i]->vectorVisible.resize( nFrameCount );
tracks[i]->vectorTrans.resize( nFrameCount );
tracks[i]->vectorRot.resize( nFrameCount );
tracks[i]->vectorScale.resize( nFrameCount );
Matrix3 matrix = nodes[i]->GetObjTMAfterWSM ( 0 );
bool bMirror = DotProd ( CrossProd ( matrix.GetRow ( 0 ), matrix.GetRow ( 1 ) ), matrix.GetRow ( 2 ) ) < 0.0 ? true : false;
tracks[i]->bMirror = bMirror;
}
TimeValue t = nStartTick;
for( int nFrameId = 0; nFrameId < nFrameCount; nFrameId++, t += nTickPerFrame )
{
SetProgressInfo( 100.0f*nFrameId/nFrameCount );
for( int nNodeId = 0; nNodeId < nNodeCount; nNodeId++ )
{
INode* pNode = nodes[nNodeId];
Track* pTrack = tracks[nNodeId];
Matrix3 tm = pNode->GetNodeTM(t);
// The coordinate system of 3DMax9 is Right-X Up-Z Screenin-Y
// But coordinate system of SGP Engine is like D3D Right-X Up-Y Screenin-Z
// Node Transform Matrix should be swaped.
/*
If your matrix looks like this:
{ rx, ry, rz, 0 }
{ ux, uy, uz, 0 }
{ lx, ly, lz, 0 }
{ px, py, pz, 1 }
To change it from left to right or right to left, flip it like this:
{ rx, rz, ry, 0 }
{ lx, lz, ly, 0 }
{ ux, uz, uy, 0 }
{ px, pz, py, 1 }
*/
Point3 Row0 = tm.GetRow(0);
Point3 Row1 = tm.GetRow(1);
Point3 Row2 = tm.GetRow(2);
Point3 Row3 = tm.GetRow(3);
sgp::swapVariables( Row0.y, Row0.z );
sgp::swapVariables( Row1.x, Row2.x );
sgp::swapVariables( Row1.y, Row2.z );
sgp::swapVariables( Row1.z, Row2.y );
sgp::swapVariables( Row3.y, Row3.z );
tm.SetRow(0, Row0);
tm.SetRow(1, Row1);
tm.SetRow(2, Row2);
tm.SetRow(3, Row3);
Point3 trans;
Quat quat;
Point3 scale;
{
// calculate the translation component
Point3 p;
p = tm.GetTrans();
trans.x = p.x;
trans.y = p.y;
trans.z = p.z;
scale.x = tm.GetRow(0).Length();
scale.y = tm.GetRow(1).Length();
scale.z = tm.GetRow(2).Length();
tm.NoScale();
// calculate the rotation component
Quat q(tm);
if( tracks[nNodeId]->bMirror )
{
float m[4][3];
memcpy( m, &tm, sizeof(float)*4*3 );
m[0][0] *= -1;
m[1][0] *= -1;
m[2][0] *= -1;
Matrix3 mm(m);
Quat q0(mm);
q = q0;
}
quat.x = q.x;
quat.y = q.y;
quat.z = q.z;
quat.w = q.w;
}
pTrack->vectorTrans.getReference(nFrameId) = trans;
pTrack->vectorRot.getReference(nFrameId) = quat;
pTrack->vectorScale.getReference(nFrameId) = scale;
float fv = pNode->GetVisibility( t );
if( fv == 0 )
pTrack->vectorVisible.getReference(nFrameId) = false;
else
pTrack->vectorVisible.getReference(nFrameId) = true;
}
}
StopProgressInfo();
}
