bool HesperisIO::CreateCurveGroup(MDagPathArray & paths, CurveGroup * dst)
{
MStatus stat;
const unsigned n = paths.length();
unsigned i, j;
int numCvs = 0;
unsigned numNodes = 0;
for(i=0; i< n; i++) {
if(!IsCurveValid(paths[i])) continue;
MFnNurbsCurve fcurve(paths[i].node());
numCvs += fcurve.numCVs();
numNodes++;
}
if(numCvs < 4) {
MGlobal::displayInfo(" too fews cvs!");
return false;
}
dst->create(numNodes, numCvs);
Vector3F * pnts = dst->points();
unsigned * counts = dst->counts();
unsigned inode = 0;
unsigned icv = 0;
unsigned nj;
MPoint wp;
MMatrix worldTm;
for(i=0; i< n; i++) {
if(!IsCurveValid(paths[i])) continue;
worldTm = GetWorldTransform(paths[i]);
MFnNurbsCurve fcurve(paths[i].node());
nj = fcurve.numCVs();
MPointArray ps;
fcurve.getCVs(ps, MSpace::kWorld);
counts[inode] = nj;
inode++;
for(j=0; j<nj; j++) {
wp = ps[j] * worldTm;
pnts[icv].set((float)wp.x, (float)wp.y, (float)wp.z);
icv++;
}
}
return true;
}
bool HesperisCurveCreator::CheckExistingCurves(CurveGroup * geos, MObject &target)
{
MDagPath root;
MDagPath::getAPathTo(target, root);
std::map<std::string, MDagPath > existing;
ASearchHelper::AllTypedPaths(existing, root, MFn::kNurbsCurve);
const unsigned ne = existing.size();
if(ne < 1) return false;
if(ne != geos->numCurves()) return false;
unsigned n = 0;
std::map<std::string, MDagPath >::const_iterator it = existing.begin();
for(;it!=existing.end();++it) {
MFnNurbsCurve fcurve(it->second.node());
n += fcurve.numCVs();
}
if(n!=geos->numPoints()) {
AHelper::Info<MString>("existing curves nv don't match cached data ", root.fullPathName());
return false;
}
MGlobal::displayInfo(" existing curves matched");
return true;
}
bool HesperisIO::IsCurveValid(const MDagPath & path)
{
MStatus stat;
MFnNurbsCurve fcurve(path.node(), &stat);
if(!stat) {
// MGlobal::displayInfo(path.fullPathName() + " is not a curve!");
return false;
}
if(fcurve.numCVs() < 4) {
MGlobal::displayInfo(path.fullPathName() + " has less than 4 cvs!");
return false;
}
return true;
}
bool HesperisIO::CheckExistingCurves(CurveGroup * geos, MObject &target)
{
MDagPathArray existing;
MDagPath root;
MDagPath::getAPathTo(target, root);
if(!GetCurves(root, existing)) return false;
const unsigned ne = existing.length();
if(ne != geos->numCurves()) return false;
unsigned n = 0;
unsigned i=0;
for(;i<ne;i++) {
MFnNurbsCurve fcurve(existing[i].node());
n += fcurve.numCVs();
}
if(n!=geos->numPoints()) return false;
MGlobal::displayInfo(" existing curves matched");
return true;
}