void readSubD(double iFrame, MFnMesh & ioMesh, MObject & iParent,
Alembic::AbcGeom::ISubD & iNode, bool iInitialized)
{
Alembic::AbcGeom::ISubDSchema schema = iNode.getSchema();
Alembic::AbcGeom::MeshTopologyVariance ttype = schema.getTopologyVariance();
int64_t index, ceilIndex;
double alpha = getWeightAndIndex(iFrame,
schema.getTimeSampling(), schema.getNumSamples(), index, ceilIndex);
MFloatPointArray pointArray;
Alembic::Abc::V3fArraySamplePtr ceilPoints;
// we can just read the points
if (ttype != Alembic::AbcGeom::kHeterogenousTopology && iInitialized)
{
Alembic::Abc::V3fArraySamplePtr points = schema.getPositions().getValue(
Alembic::Abc::ISampleSelector(index) );
if (alpha != 0.0)
{
ceilPoints = schema.getPositions().getValue(
Alembic::Abc::ISampleSelector(ceilIndex) );
}
fillPoints(pointArray, points, ceilPoints, alpha);
ioMesh.setPoints(pointArray, MSpace::kObject);
if (schema.getUVs().getNumSamples() > 1)
{
setUVs(iFrame, ioMesh, schema.getUVs());
}
return;
}
// we need to read the topology
Alembic::AbcGeom::ISubDSchema::Sample samp;
schema.get(samp, Alembic::Abc::ISampleSelector(index));
if (alpha != 0.0 && ttype != Alembic::AbcGeom::kHeterogenousTopology)
{
ceilPoints = schema.getPositions().getValue(
Alembic::Abc::ISampleSelector(ceilIndex) );
}
fillPoints(pointArray, samp.getPositions(), ceilPoints, alpha);
fillTopology(ioMesh, iParent, pointArray, samp.getFaceIndices(),
samp.getFaceCounts());
setUVs(iFrame, ioMesh, schema.getUVs());
}
