void AddArbitraryStringGeomParam( ICompoundProperty & parent,
const PropertyHeader &propHeader,
ISampleSelector &sampleSelector,
AtNode * primNode)
{
IStringGeomParam param( parent, propHeader.getName() );
if ( !param.valid() )
{
//TODO error message?
return;
}
std::string declStr = GetArnoldTypeString( param.getScope(),
AI_TYPE_STRING );
if ( declStr.empty() )
{
return;
}
// TODO, remove this restriction and support arrays for constant values
if ( param.getArrayExtent() > 1 )
{
return;
}
if ( !AiNodeDeclare( primNode, param.getName().c_str(), declStr.c_str() ) )
{
//TODO, AiWarning
return;
}
IStringGeomParam::prop_type::sample_ptr_type valueSample =
param.getExpandedValue( sampleSelector ).getVals();
if ( param.getScope() == kConstantScope ||
param.getScope() == kUnknownScope)
{
AiNodeSetStr( primNode, param.getName().c_str(),
reinterpret_cast<const std::string *>(
valueSample->get() )[0].c_str() );
}
else
{
std::vector<const char *> strPtrs;
strPtrs.reserve( valueSample->size() );
for ( size_t i = 0; i < valueSample->size(); ++i )
{
strPtrs.push_back( valueSample->get()[i].c_str() );
}
AiNodeSetArray( primNode, param.getName().c_str(),
AiArrayConvert( valueSample->size(), 1, AI_TYPE_STRING,
(void *) &strPtrs[0] ) );
}
}
void setParameter( AtNode *node, const char *name, const IECore::Data *value )
{
const AtParamEntry *parameter = AiNodeEntryLookUpParameter( AiNodeGetNodeEntry( node ), name );
if( parameter )
{
setParameter( node, parameter, value );
}
else
{
bool array = false;
int type = parameterType( value->typeId(), array );
if( type != AI_TYPE_NONE )
{
std::string typeString = "constant ";
if( array )
{
typeString += "ARRAY ";
}
typeString += AiParamGetTypeName( type );
AiNodeDeclare( node, name, typeString.c_str() );
setParameterInternal( node, name, type, array, value );
}
else
{
msg(
Msg::Warning,
"setParameter",
boost::format( "Unsupported data type \"%s\" for name \"%s\"" ) % value->typeName() % name
);
}
}
}
void AddUserGeomParams( AtNode * primNode, const char * attribute, int arnoldAPIType)
{
std::string declStr = GetArnoldTypeString( kConstantScope,
arnoldAPIType );
if ( declStr.empty() )
{
AiMsgWarning ( "[ABC] Cannot add user attribute %s for node \"%s\" with declStr empty", attribute, AiNodeGetName(primNode));
return;
}
if ( !AiNodeDeclare( primNode, attribute, declStr.c_str() ) )
{
AiMsgWarning ( "[ABC] Cannot add user attribute %s for node \"%s\" with declStr %s", attribute, AiNodeGetName(primNode),declStr.c_str());
return;
}
}
AtNode * ProcessPolyMeshBase(
primT & prim, ProcArgs & args,
SampleTimeSet & sampleTimes,
std::vector<AtUInt32> & vidxs,
int subdiv_iterations,
MatrixSampleMap * xformSamples,
const std::string & facesetName = "" )
{
if ( !prim.valid() )
{
return NULL;
}
typename primT::schema_type &ps = prim.getSchema();
TimeSamplingPtr ts = ps.getTimeSampling();
if ( ps.getTopologyVariance() != kHeterogenousTopology )
{
GetRelevantSampleTimes( args, ts, ps.getNumSamples(), sampleTimes );
}
else
{
sampleTimes.insert( args.frame / args.fps );
}
std::string name = args.nameprefix + prim.getFullName();
AtNode * instanceNode = NULL;
std::string cacheId;
if ( args.makeInstance )
{
std::ostringstream buffer;
AbcA::ArraySampleKey sampleKey;
for ( SampleTimeSet::iterator I = sampleTimes.begin();
I != sampleTimes.end(); ++I )
{
ISampleSelector sampleSelector( *I );
ps.getPositionsProperty().getKey(sampleKey, sampleSelector);
buffer << GetRelativeSampleTime( args, (*I) ) << ":";
sampleKey.digest.print(buffer);
buffer << ":";
}
buffer << "@" << subdiv_iterations;
buffer << "@" << facesetName;
cacheId = buffer.str();
instanceNode = AiNode( "ginstance" );
AiNodeSetStr( instanceNode, "name", name.c_str() );
args.createdNodes.push_back(instanceNode);
if ( args.proceduralNode )
{
AiNodeSetInt( instanceNode, "visibility",
AiNodeGetInt( args.proceduralNode, "visibility" ) );
}
else
{
AiNodeSetInt( instanceNode, "visibility", AI_RAY_ALL );
}
ApplyTransformation( instanceNode, xformSamples, args );
NodeCache::iterator I = g_meshCache.find(cacheId);
if ( I != g_meshCache.end() )
{
AiNodeSetPtr(instanceNode, "node", (*I).second );
return NULL;
}
}
SampleTimeSet singleSampleTimes;
singleSampleTimes.insert( args.frame / args.fps );
std::vector<AtByte> nsides;
std::vector<float> vlist;
std::vector<float> uvlist;
std::vector<AtUInt32> uvidxs;
// POTENTIAL OPTIMIZATIONS LEFT TO THE READER
// 1) vlist needn't be copied if it's a single sample
bool isFirstSample = true;
for ( SampleTimeSet::iterator I = sampleTimes.begin();
I != sampleTimes.end(); ++I, isFirstSample = false)
{
ISampleSelector sampleSelector( *I );
typename primT::schema_type::Sample sample = ps.getValue( sampleSelector );
if ( isFirstSample )
{
size_t numPolys = sample.getFaceCounts()->size();
nsides.reserve( sample.getFaceCounts()->size() );
for ( size_t i = 0; i < numPolys; ++i )
{
int32_t n = sample.getFaceCounts()->get()[i];
if ( n > 255 )
{
// TODO, warning about unsupported face
return NULL;
}
nsides.push_back( (AtByte) n );
}
size_t vidxSize = sample.getFaceIndices()->size();
vidxs.reserve( vidxSize );
vidxs.insert( vidxs.end(), sample.getFaceIndices()->get(),
sample.getFaceIndices()->get() + vidxSize );
}
vlist.reserve( vlist.size() + sample.getPositions()->size() * 3);
vlist.insert( vlist.end(),
(const float32_t*) sample.getPositions()->get(),
((const float32_t*) sample.getPositions()->get()) +
sample.getPositions()->size() * 3 );
}
ProcessIndexedBuiltinParam(
ps.getUVsParam(),
singleSampleTimes,
uvlist,
uvidxs,
2);
AtNode* meshNode = AiNode( "polymesh" );
if (!meshNode)
{
AiMsgError("Failed to make polymesh node for %s",
prim.getFullName().c_str());
return NULL;
}
args.createdNodes.push_back(meshNode);
if ( instanceNode != NULL)
{
AiNodeSetStr( meshNode, "name", (name + ":src").c_str() );
}
else
{
AiNodeSetStr( meshNode, "name", name.c_str() );
}
AiNodeSetArray(meshNode, "vidxs",
ArrayConvert(vidxs.size(), 1, AI_TYPE_UINT,
(void*)&vidxs[0]));
AiNodeSetArray(meshNode, "nsides",
ArrayConvert(nsides.size(), 1, AI_TYPE_BYTE,
&(nsides[0])));
AiNodeSetArray(meshNode, "vlist",
ArrayConvert( vlist.size() / sampleTimes.size(),
sampleTimes.size(), AI_TYPE_FLOAT, (void*)(&(vlist[0]))));
if ( !uvlist.empty() )
{
//TODO, option to disable v flipping
for (size_t i = 1, e = uvlist.size(); i < e; i += 2)
{
uvlist[i] = 1.0 - uvlist[i];
}
AiNodeSetArray(meshNode, "uvlist",
ArrayConvert( uvlist.size(), 1, AI_TYPE_FLOAT,
(void*)(&(uvlist[0]))));
if ( !uvidxs.empty() )
{
AiNodeSetArray(meshNode, "uvidxs",
ArrayConvert(uvidxs.size(), 1, AI_TYPE_UINT,
&(uvidxs[0])));
}
else
{
AiNodeSetArray(meshNode, "uvidxs",
ArrayConvert(vidxs.size(), 1, AI_TYPE_UINT,
&(vidxs[0])));
}
}
if ( sampleTimes.size() > 1 )
{
std::vector<float> relativeSampleTimes;
relativeSampleTimes.reserve( sampleTimes.size() );
for (SampleTimeSet::const_iterator I = sampleTimes.begin();
I != sampleTimes.end(); ++I )
{
relativeSampleTimes.push_back(
GetRelativeSampleTime( args, (*I) ) );
}
AiNodeSetArray( meshNode, "deform_time_samples",
ArrayConvert(relativeSampleTimes.size(), 1,
AI_TYPE_FLOAT, &relativeSampleTimes[0]));
}
// faceset visibility array
if ( !facesetName.empty() )
{
if ( ps.hasFaceSet( facesetName ) )
{
ISampleSelector frameSelector( *singleSampleTimes.begin() );
IFaceSet faceSet = ps.getFaceSet( facesetName );
IFaceSetSchema::Sample faceSetSample =
faceSet.getSchema().getValue( frameSelector );
std::set<int> facesToKeep;
facesToKeep.insert( faceSetSample.getFaces()->get(),
faceSetSample.getFaces()->get() +
faceSetSample.getFaces()->size() );
bool *faceVisArray = new bool(nsides.size());
for ( int i = 0; i < (int) nsides.size(); ++i )
{
faceVisArray[i] = facesToKeep.find( i ) != facesToKeep.end();
}
if ( AiNodeDeclare( meshNode, "face_visibility", "uniform BOOL" ) )
{
AiNodeSetArray( meshNode, "face_visibility",
ArrayConvert( nsides.size(), 1, AI_TYPE_BOOLEAN,
faceVisArray ) );
}
delete[] faceVisArray;
}
}
{
ICompoundProperty arbGeomParams = ps.getArbGeomParams();
ISampleSelector frameSelector( *singleSampleTimes.begin() );
AddArbitraryGeomParams( arbGeomParams, frameSelector, meshNode );
}
if ( instanceNode == NULL )
{
if ( xformSamples )
{
ApplyTransformation( meshNode, xformSamples, args );
}
return meshNode;
}
else
{
AiNodeSetInt( meshNode, "visibility", 0 );
AiNodeSetPtr(instanceNode, "node", meshNode );
g_meshCache[cacheId] = meshNode;
return meshNode;
}
}
void AddArbitraryGeomParam( ICompoundProperty & parent,
const PropertyHeader &propHeader,
ISampleSelector &sampleSelector,
AtNode * primNode,
int arnoldAPIType)
{
T param( parent, propHeader.getName() );
if ( !param.valid() )
{
//TODO error message?
return;
}
std::string declStr = GetArnoldTypeString( param.getScope(),
arnoldAPIType );
if ( declStr.empty() )
{
return;
}
// TODO For now, don't support user-defined arrays.
// It's reasonable to support these for kConstantScope
if ( param.getArrayExtent() > 1 )
{
return;
}
if ( !AiNodeDeclare( primNode, param.getName().c_str(), declStr.c_str() ) )
{
//TODO, AiWarning
return;
}
if ( param.getScope() == kConstantScope ||
param.getScope() == kUnknownScope)
{
//Set scalars directly based on arnoldAPIType since we're
//not yet support array types here
typename T::prop_type::sample_ptr_type valueSample =
param.getExpandedValue( sampleSelector ).getVals();
switch ( arnoldAPIType )
{
case AI_TYPE_INT:
AiNodeSetInt( primNode, param.getName().c_str(),
reinterpret_cast<const int32_t *>(
valueSample->get() )[0] );
break;
case AI_TYPE_FLOAT:
AiNodeSetFlt( primNode, param.getName().c_str(),
reinterpret_cast<const float32_t *>(
valueSample->get() )[0] );
break;
case AI_TYPE_STRING:
AiNodeSetStr( primNode, param.getName().c_str(),
reinterpret_cast<const std::string *>(
valueSample->get() )[0].c_str() );
break;
case AI_TYPE_RGB:
{
const float32_t * data =
reinterpret_cast<const float32_t *>(
valueSample->get() );
AiNodeSetRGB( primNode, param.getName().c_str(),
data[0], data[1], data[2]);
break;
}
case AI_TYPE_RGBA:
{
const float32_t * data =
reinterpret_cast<const float32_t *>(
valueSample->get() );
AiNodeSetRGBA( primNode, param.getName().c_str(),
data[0], data[1], data[2], data[3]);
break;
}
case AI_TYPE_VECTOR:
{
const float32_t * data =
reinterpret_cast<const float32_t *>(
valueSample->get() );
AiNodeSetVec( primNode, param.getName().c_str(),
data[0], data[1], data[2] );
break;
}
case AI_TYPE_VECTOR2:
{
const float32_t * data =
reinterpret_cast<const float32_t *>(
valueSample->get() );
AiNodeSetVec2( primNode, param.getName().c_str(),
data[0], data[1] );
break;
}
case AI_TYPE_MATRIX:
{
const float32_t * data =
reinterpret_cast<const float32_t *>(
valueSample->get() );
AtMatrix m;
for ( size_t i = 0; i < 16; ++i )
{
*((&m[0][0])+i) = data[i];
}
AiNodeSetMatrix( primNode, param.getName().c_str(), m);
break;
}
default:
// For now, only support the above types
break;
}
}
else
{
// Always set arrays for other scopes
typename T::prop_type::sample_ptr_type valueSample =
param.getExpandedValue( sampleSelector ).getVals();
AiNodeSetArray( primNode, param.getName().c_str(),
AiArrayConvert( valueSample->size(), 1, arnoldAPIType,
(void *) valueSample->get() ) );
}
}
AtNode *createInstanceNode(nodeData &nodata, userData * ud, int i)
{
Alembic::AbcGeom::IPoints typedObject(ud->gIObjects[i].abc, Alembic::Abc::kWrapExisting);
instanceCloudInfo * info = ud->gIObjects[i].instanceCloud;
// check that we have the masternode
size_t id = (size_t)ud->gIObjects[i].ID;
size_t instanceID = (size_t)ud->gIObjects[i].instanceID;
if(instanceID >= info->groupInfos.size())
{
AiMsgError("[ExocortexAlembicArnold] Instance '%s.%d' has an invalid instanceID . Aborting.",ud->gIObjects[i].abc.getFullName().c_str(),(int)id);
return NULL;
}
size_t groupID = (size_t)ud->gIObjects[i].instanceGroupID;
if(groupID >= info->groupInfos[instanceID].identifiers.size())
{
AiMsgError("[ExocortexAlembicArnold] Instance '%s.%d' has an invalid instanceGroupID. Aborting.",ud->gIObjects[i].abc.getFullName().c_str(),(int)id);
return NULL;
}
instanceGroupInfo * group = &info->groupInfos[instanceID];
// get the right centroidTime
float centroidTime = ud->gCentroidTime;
if(info->time.size() > 0)
{
centroidTime = info->time[0]->get()[id < info->time[0]->size() ? id : info->time[0]->size() - 1];
if(info->time.size() > 1)
centroidTime = (1.0f - info->timeAlpha) * centroidTime + info->timeAlpha * info->time[1]->get()[id < info->time[1]->size() ? id : info->time[1]->size() - 1];
centroidTime = roundCentroid(centroidTime);
}
std::map<float,AtNode*>::iterator it = group->nodes[groupID].find(centroidTime);
if(it == group->nodes[groupID].end())
{
AiMsgError("[ExocortexAlembicArnold] Cannot find masterNode '%s' for centroidTime '%f'. Aborting.",group->identifiers[groupID].c_str(),centroidTime);
return NULL;
}
AtNode *usedMasterNode = it->second;
AtNode *shapeNode = AiNode("ginstance");
// setup name, id and the master node
AiNodeSetStr(shapeNode, "name", getNameFromIdentifier(ud->gIObjects[i].abc.getFullName(),ud->gIObjects[i].ID,(long)groupID).c_str());
AiNodeSetInt(shapeNode, "id", ud->gIObjects[i].instanceID);
AiNodeSetPtr(shapeNode, "node", usedMasterNode);
// declare color on the ginstance
if(info->color.size() > 0 && AiNodeDeclare(shapeNode, "Color", "constant RGBA"))
{
Alembic::Abc::C4f color = info->color[0]->get()[id < info->color[0]->size() ? id : info->color[0]->size() - 1];
AiNodeSetRGBA(shapeNode, "Color", color.r, color.g, color.b, color.a);
}
// now let's take care of the transform
AtArray * matrices = AiArrayAllocate(1,(AtInt)ud->gMbKeys.size(),AI_TYPE_MATRIX);
for(size_t j=0;j<ud->gMbKeys.size(); ++j)
{
SampleInfo sampleInfo = getSampleInfo(
ud->gMbKeys[j],
typedObject.getSchema().getTimeSampling(),
typedObject.getSchema().getNumSamples()
);
Alembic::Abc::M44f matrixAbc;
matrixAbc.makeIdentity();
const size_t floorIndex = j << 1;
const size_t ceilIndex = floorIndex + 1;
// apply translation
if(info->pos[floorIndex]->size() == info->pos[ceilIndex]->size())
{
matrixAbc.setTranslation(float(1.0 - sampleInfo.alpha) * info->pos[floorIndex]->get()[id < info->pos[floorIndex]->size() ? id : info->pos[floorIndex]->size() - 1] +
float(sampleInfo.alpha) * info->pos[ceilIndex]->get()[id < info->pos[ceilIndex]->size() ? id : info->pos[ceilIndex]->size() - 1]);
}
else
{
const float timeAlpha = getTimeOffsetFromObject( typedObject, sampleInfo );
matrixAbc.setTranslation(info->pos[floorIndex]->get()[id < info->pos[floorIndex]->size() ? id : info->pos[floorIndex]->size() - 1] +
info->vel[floorIndex]->get()[id < info->vel[floorIndex]->size() ? id : info->vel[floorIndex]->size() - 1] * timeAlpha);
}
// now take care of rotation
if(info->rot.size() == ud->gMbKeys.size())
{
Alembic::Abc::Quatf rotAbc = info->rot[j]->get()[id < info->rot[j]->size() ? id : info->rot[j]->size() - 1];
if(info->ang.size() == ud->gMbKeys.size() && sampleInfo.alpha > 0.0)
{
Alembic::Abc::Quatf angAbc = info->ang[j]->get()[id < info->ang[j]->size() ? id : info->ang[j]->size() -1] * (float)sampleInfo.alpha;
if(angAbc.axis().length2() != 0.0f && angAbc.r != 0.0f)
{
rotAbc = angAbc * rotAbc;
rotAbc.normalize();
}
}
Alembic::Abc::M44f matrixAbcRot;
matrixAbcRot.setAxisAngle(rotAbc.axis(),rotAbc.angle());
matrixAbc = matrixAbcRot * matrixAbc;
}
// and finally scaling
if(info->scale.size() == ud->gMbKeys.size() * 2)
{
const Alembic::Abc::V3f scalingAbc = info->scale[floorIndex]->get()[id < info->scale[floorIndex]->size() ? id : info->scale[floorIndex]->size() - 1] *
info->width[floorIndex]->get()[id < info->width[floorIndex]->size() ? id : info->width[floorIndex]->size() - 1] * float(1.0 - sampleInfo.alpha) +
info->scale[ceilIndex]->get()[id < info->scale[ceilIndex]->size() ? id : info->scale[ceilIndex]->size() - 1] *
info->width[ceilIndex]->get()[id < info->width[ceilIndex]->size() ? id : info->width[ceilIndex]->size() - 1] * float(sampleInfo.alpha);
matrixAbc.scale(scalingAbc);
}
else
{
const float width = info->width[floorIndex]->get()[id < info->width[floorIndex]->size() ? id : info->width[floorIndex]->size() - 1] * float(1.0 - sampleInfo.alpha) +
info->width[ceilIndex]->get()[id < info->width[ceilIndex]->size() ? id : info->width[ceilIndex]->size() - 1] * float(sampleInfo.alpha);
matrixAbc.scale(Alembic::Abc::V3f(width,width,width));
}
// if we have offset matrices
if(group->parents.size() > groupID && group->matrices.size() > groupID)
{
if(group->objects[groupID].valid() && group->parents[groupID].valid())
{
// we have a matrix map and a parent.
// now we need to check if we already exported the matrices
std::map<float,std::vector<Alembic::Abc::M44f> >::iterator it;
std::vector<Alembic::Abc::M44f> offsets;
it = group->matrices[groupID].find(centroidTime);
if(it == group->matrices[groupID].end())
{
std::vector<float> samples(ud->gMbKeys.size());
offsets.resize(ud->gMbKeys.size());
for(AtInt sampleIndex=0;sampleIndex<(AtInt)ud->gMbKeys.size(); ++sampleIndex)
{
offsets[sampleIndex].makeIdentity();
// centralize the time once more
samples[sampleIndex] = centroidTime + ud->gMbKeys[sampleIndex] - ud->gCentroidTime;
}
// if the transform differs, we need to compute the offset matrices
// get the parent, which should be a transform
Alembic::Abc::IObject parent = group->parents[groupID];
Alembic::Abc::IObject xform = group->objects[groupID].getParent();
while(Alembic::AbcGeom::IXform::matches(xform.getMetaData()) && xform.getFullName() != parent.getFullName())
{
// cast to a xform
Alembic::AbcGeom::IXform parentXform(xform,Alembic::Abc::kWrapExisting);
if(parentXform.getSchema().getNumSamples() == 0)
break;
// loop over all samples
for(size_t sampleIndex=0;sampleIndex<ud->gMbKeys.size(); ++sampleIndex)
{
SampleInfo sampleInfo = getSampleInfo(
samples[sampleIndex],
parentXform.getSchema().getTimeSampling(),
parentXform.getSchema().getNumSamples()
);
// get the data and blend it if necessary
Alembic::AbcGeom::XformSample sample;
parentXform.getSchema().get(sample,sampleInfo.floorIndex);
Alembic::Abc::M44f abcMatrix;
Alembic::Abc::M44d abcMatrixd = sample.getMatrix();
for(int x=0;x<4;x++)
for(int y=0;y<4;y++)
abcMatrix[x][y] = (float)abcMatrixd[x][y];
if(sampleInfo.alpha >= sampleTolerance)
{
parentXform.getSchema().get(sample,sampleInfo.ceilIndex);
Alembic::Abc::M44d ceilAbcMatrixd = sample.getMatrix();
Alembic::Abc::M44f ceilAbcMatrix;
for(int x=0;x<4;x++)
for(int y=0;y<4;y++)
ceilAbcMatrix[x][y] = (float)ceilAbcMatrixd[x][y];
abcMatrix = float(1.0 - sampleInfo.alpha) * abcMatrix + float(sampleInfo.alpha) * ceilAbcMatrix;
}
offsets[sampleIndex] = abcMatrix * offsets[sampleIndex];
}
// go upwards
xform = xform.getParent();
}
group->matrices[groupID].insert(std::pair<float,std::vector<Alembic::Abc::M44f> >(centroidTime,offsets));
}
else
offsets = it->second;
// this means we have the right amount of matrices to blend against
if(offsets.size() > j)
matrixAbc = offsets[j] * matrixAbc;
}
}
// store it to the array
AiArraySetMtx(matrices,(AtULong)j,matrixAbc.x);
}
AiNodeSetArray(shapeNode,"matrix",matrices);
AiNodeSetBool(shapeNode, "inherit_xform", FALSE);
return shapeNode;
}
virtual void ExportProcedural( AtNode *node )
{
// do basic node export
ExportMatrix( node, 0 );
AtNode *shader = arnoldShader();
if( shader )
{
AiNodeSetPtr( node, "shader", shader );
}
AiNodeSetInt( node, "visibility", ComputeVisibility() );
MPlug plug = FindMayaObjectPlug( "receiveShadows" );
if( !plug.isNull() )
{
AiNodeSetBool( node, "receive_shadows", plug.asBool() );
}
plug = FindMayaObjectPlug( "aiSelfShadows" );
if( !plug.isNull() )
{
AiNodeSetBool( node, "self_shadows", plug.asBool() );
}
plug = FindMayaObjectPlug( "aiOpaque" );
if( !plug.isNull() )
{
AiNodeSetBool( node, "opaque", plug.asBool() );
}
// export any shading groups or displacement shaders which look like they
// may be connected to procedural parameters. this ensures that maya shaders
// the procedural will expect to find at rendertime will be exported to the
// ass file (they otherwise might not be if they're not assigned to any objects).
exportShadingInputs();
// now set the procedural-specific parameters
MFnDagNode fnDagNode( m_dagPath );
MBoundingBox bound = fnDagNode.boundingBox();
AiNodeSetPnt( node, "min", bound.min().x, bound.min().y, bound.min().z );
AiNodeSetPnt( node, "max", bound.max().x, bound.max().y, bound.max().z );
const char *dsoPath = getenv( "IECOREARNOLD_PROCEDURAL_PATH" );
AiNodeSetStr( node, "dso", dsoPath ? dsoPath : "ieProcedural.so" );
AiNodeDeclare( node, "className", "constant STRING" );
AiNodeDeclare( node, "classVersion", "constant INT" );
AiNodeDeclare( node, "parameterValues", "constant ARRAY STRING" );
// cast should be ok as we're registered to only work on procedural holders
IECoreMaya::ProceduralHolder *pHolder = static_cast<IECoreMaya::ProceduralHolder *>( fnDagNode.userNode() );
std::string className;
int classVersion;
IECore::ParameterisedProceduralPtr procedural = pHolder->getProcedural( &className, &classVersion );
AiNodeSetStr( node, "className", className.c_str() );
AiNodeSetInt( node, "classVersion", classVersion );
IECorePython::ScopedGILLock gilLock;
try
{
boost::python::object parser = IECoreMaya::PythonCmd::globalContext()["IECore"].attr( "ParameterParser" )();
boost::python::object serialised = parser.attr( "serialise" )( procedural->parameters() );
size_t numStrings = IECorePython::len( serialised );
AtArray *stringArray = AiArrayAllocate( numStrings, 1, AI_TYPE_STRING );
for( size_t i=0; i<numStrings; i++ )
{
std::string s = boost::python::extract<std::string>( serialised[i] );
// hack to workaround ass parsing errors
/// \todo Remove when we get the Arnold version that fixes this
for( size_t c = 0; c<s.size(); c++ )
{
if( s[c] == '#' )
{
s[c] = '@';
}
}
AiArraySetStr( stringArray, i, s.c_str() );
}
AiNodeSetArray( node, "parameterValues", stringArray );
}
catch( boost::python::error_already_set )
{
PyErr_Print();
}
}
void CScriptedShapeTranslator::RunScripts(AtNode *atNode, unsigned int step, bool update)
{
std::map<std::string, CScriptedTranslator>::iterator translatorIt;
MFnDependencyNode fnNode(GetMayaObject());
translatorIt = gTranslators.find(fnNode.typeName().asChar());
if (translatorIt == gTranslators.end())
{
AiMsgError("[mtoa.scriptedTranslators] No command to export node \"%s\" of type %s.", fnNode.name().asChar(), fnNode.typeName().asChar());
return;
}
MString exportCmd = translatorIt->second.exportCmd;
MString cleanupCmd = translatorIt->second.cleanupCmd;
MFnDagNode node(m_dagPath.node());
bool isMasterDag = false;
bool transformBlur = IsMotionBlurEnabled(MTOA_MBLUR_OBJECT) && IsLocalMotionBlurEnabled();
bool deformBlur = IsMotionBlurEnabled(MTOA_MBLUR_DEFORM) && IsLocalMotionBlurEnabled();
char buffer[64];
MString command = exportCmd;
command += "(";
sprintf(buffer, "%f", GetExportFrame());
command += buffer;
command += ", ";
sprintf(buffer, "%d", step);
command += buffer;
command += ", ";
// current sample frame
sprintf(buffer, "%f", GetSampleFrame(m_session, step));
command += buffer;
command += ", ";
// List of arnold attributes the custom shape export command has overriden
MStringArray attrs;
if (!m_masterNode)
{
command += "(\"" + m_dagPath.partialPathName() + "\", \"";
command += AiNodeGetName(atNode);
command += "\"), None)";
isMasterDag = true;
}
else
{
command += "(\"" + m_dagPath.partialPathName() + "\", \"";
command += AiNodeGetName(atNode);
command += "\"), (\"" + GetMasterInstance().partialPathName() + "\", \"";
command += AiNodeGetName(m_masterNode);
command += "\"))";
}
MStatus status = MGlobal::executePythonCommand(command, attrs);
if (!status)
{
AiMsgError("[mtoa.scriptedTranslators] Failed to export node \"%s\".", node.name().asChar());
return;
}
// Build set of attributes already processed
std::set<std::string> attrsSet;
for (unsigned int i=0; i<attrs.length(); ++i)
{
attrsSet.insert(attrs[i].asChar());
}
std::set<std::string>::iterator attrsEnd = attrsSet.end();
// Should be getting displacement shader from master instance only
// as arnold do not support displacement shader overrides for ginstance
MFnDependencyNode masterShadingEngine;
MFnDependencyNode shadingEngine;
float dispPadding = -AI_BIG;
float dispHeight = 1.0f;
float dispZeroValue = 0.0f;
bool dispAutobump = false;
bool outputDispPadding = false;
bool outputDispHeight = false;
bool outputDispZeroValue = false;
bool outputDispAutobump = false;
const AtNodeEntry *anodeEntry = AiNodeGetNodeEntry(atNode);
GetShapeInstanceShader(m_dagPath, shadingEngine);
if (!IsMasterInstance())
{
GetShapeInstanceShader(GetMasterInstance(), masterShadingEngine);
}
else
{
masterShadingEngine.setObject(shadingEngine.object());
}
AtMatrix matrix;
MMatrix mmatrix = m_dagPath.inclusiveMatrix();
ConvertMatrix(matrix, mmatrix);
// Set transformation matrix
if (attrsSet.find("matrix") == attrsEnd)
{
if (HasParameter(anodeEntry, "matrix"))
{
if (transformBlur)
{
if (step == 0)
{
AtArray* matrices = AiArrayAllocate(1, GetNumMotionSteps(), AI_TYPE_MATRIX);
AiArraySetMtx(matrices, step, matrix);
AiNodeSetArray(atNode, "matrix", matrices);
}
else
{
AtArray* matrices = AiNodeGetArray(atNode, "matrix");
AiArraySetMtx(matrices, step, matrix);
}
}
else
{
AiNodeSetMatrix(atNode, "matrix", matrix);
}
}
}
// Set bounding box
if (attrsSet.find("min") == attrsEnd && attrsSet.find("max") == attrsEnd)
{
// Now check if min and max parameters are valid parameter names on arnold node
if (HasParameter(anodeEntry, "min") != 0 && HasParameter(anodeEntry, "max") != 0)
{
if (step == 0)
{
MBoundingBox bbox = node.boundingBox();
MPoint bmin = bbox.min();
MPoint bmax = bbox.max();
AiNodeSetPnt(atNode, "min", static_cast<float>(bmin.x), static_cast<float>(bmin.y), static_cast<float>(bmin.z));
AiNodeSetPnt(atNode, "max", static_cast<float>(bmax.x), static_cast<float>(bmax.y), static_cast<float>(bmax.z));
}
else
{
if (transformBlur || deformBlur)
{
AtPoint cmin = AiNodeGetPnt(atNode, "min");
AtPoint cmax = AiNodeGetPnt(atNode, "max");
MBoundingBox bbox = node.boundingBox();
MPoint bmin = bbox.min();
MPoint bmax = bbox.max();
if (bmin.x < cmin.x)
cmin.x = static_cast<float>(bmin.x);
if (bmin.y < cmin.y)
cmin.y = static_cast<float>(bmin.y);
if (bmin.z < cmin.z)
cmin.z = static_cast<float>(bmin.z);
if (bmax.x > cmax.x)
cmax.x = static_cast<float>(bmax.x);
if (bmax.y > cmax.y)
cmax.y = static_cast<float>(bmax.y);
if (bmax.z > cmax.z)
cmax.z = static_cast<float>(bmax.z);
AiNodeSetPnt(atNode, "min", cmin.x, cmin.y, cmin.z);
AiNodeSetPnt(atNode, "max", cmax.x, cmax.y, cmax.z);
}
}
}
}
if (step == 0)
{
// Set common attributes
MPlug plug;
if (AiNodeIs(atNode, "procedural"))
{
// Note: it is up to the procedural to properly forward (or not) those parameters to the node
// it creates
if (attrsSet.find("subdiv_type") == attrsEnd)
{
plug = FindMayaPlug("subdiv_type");
if (plug.isNull())
{
plug = FindMayaPlug("aiSubdivType");
}
if (!plug.isNull() && HasParameter(anodeEntry, "subdiv_type", atNode, "constant INT"))
{
AiNodeSetInt(atNode, "subdiv_type", plug.asInt());
}
}
if (attrsSet.find("subdiv_iterations") == attrsEnd)
{
plug = FindMayaPlug("subdiv_iterations");
if (plug.isNull())
{
plug = FindMayaPlug("aiSubdivIterations");
}
if (!plug.isNull() && HasParameter(anodeEntry, "subdiv_iterations", atNode, "constant BYTE"))
{
AiNodeSetByte(atNode, "subdiv_iterations", plug.asInt());
}
}
if (attrsSet.find("subdiv_adaptive_metric") == attrsEnd)
{
plug = FindMayaPlug("subdiv_adaptive_metric");
if (plug.isNull())
{
plug = FindMayaPlug("aiSubdivAdaptiveMetric");
}
if (!plug.isNull() && HasParameter(anodeEntry, "subdiv_adaptive_metric", atNode, "constant INT"))
{
AiNodeSetInt(atNode, "subdiv_adaptive_metric", plug.asInt());
}
}
if (attrsSet.find("subdiv_pixel_error") == attrsEnd)
{
plug = FindMayaPlug("subdiv_pixel_error");
if (plug.isNull())
{
plug = FindMayaPlug("aiSubdivPixelError");
}
if (!plug.isNull() && HasParameter(anodeEntry, "subdiv_pixel_error", atNode, "constant FLOAT"))
{
AiNodeSetFlt(atNode, "subdiv_pixel_error", plug.asFloat());
}
}
if (attrsSet.find("subdiv_dicing_camera") == attrsEnd)
{
plug = FindMayaPlug("subdiv_dicing_camera");
if (plug.isNull())
{
plug = FindMayaPlug("aiSubdivDicingCamera");
}
if (!plug.isNull() && HasParameter(anodeEntry, "subdiv_dicing_camera", atNode, "constant NODE"))
{
AtNode *cameraNode = NULL;
MPlugArray plugs;
plug.connectedTo(plugs, true, false);
if (plugs.length() == 1)
{
MFnDagNode camDag(plugs[0].node());
MDagPath camPath;
if (camDag.getPath(camPath) == MS::kSuccess)
{
cameraNode = ExportDagPath(camPath);
}
}
AiNodeSetPtr(atNode, "subdiv_dicing_camera", cameraNode);
}
}
if (attrsSet.find("subdiv_uv_smoothing") == attrsEnd)
{
plug = FindMayaPlug("subdiv_uv_smoothing");
if (plug.isNull())
{
plug = FindMayaPlug("aiSubdivUvSmoothing");
}
if (!plug.isNull() && HasParameter(anodeEntry, "subdiv_uv_smoothing", atNode, "constant INT"))
{
AiNodeSetInt(atNode, "subdiv_uv_smoothing", plug.asInt());
}
}
if (attrsSet.find("subdiv_smooth_derivs") == attrsEnd)
{
plug = FindMayaPlug("aiSubdivSmoothDerivs");
if (!plug.isNull() && HasParameter(anodeEntry, "subdiv_smooth_derivs", atNode, "constant BOOL"))
{
AiNodeSetBool(atNode, "subdiv_smooth_derivs", plug.asBool());
}
}
if (attrsSet.find("smoothing") == attrsEnd)
{
// Use maya shape built-in attribute
plug = FindMayaPlug("smoothShading");
if (!plug.isNull() && HasParameter(anodeEntry, "smoothing", atNode, "constant BOOL"))
{
AiNodeSetBool(atNode, "smoothing", plug.asBool());
}
}
if (attrsSet.find("disp_height") == attrsEnd)
{
plug = FindMayaPlug("aiDispHeight");
if (!plug.isNull())
{
outputDispHeight = true;
dispHeight = plug.asFloat();
}
}
if (attrsSet.find("disp_zero_value") == attrsEnd)
{
plug = FindMayaPlug("aiDispZeroValue");
if (!plug.isNull())
{
outputDispZeroValue = true;
dispZeroValue = plug.asFloat();
}
}
if (attrsSet.find("disp_autobump") == attrsEnd)
{
plug = FindMayaPlug("aiDispAutobump");
if (!plug.isNull())
{
outputDispAutobump = true;
dispAutobump = plug.asBool();
}
}
if (attrsSet.find("disp_padding") == attrsEnd)
{
plug = FindMayaPlug("aiDispPadding");
if (!plug.isNull())
{
outputDispPadding = true;
dispPadding = MAX(dispPadding, plug.asFloat());
}
}
// Set diplacement shader
if (attrsSet.find("disp_map") == attrsEnd)
{
if (masterShadingEngine.object() != MObject::kNullObj)
{
MPlugArray shaderConns;
MPlug shaderPlug = masterShadingEngine.findPlug("displacementShader");
shaderPlug.connectedTo(shaderConns, true, false);
if (shaderConns.length() > 0)
{
MFnDependencyNode dispNode(shaderConns[0].node());
plug = dispNode.findPlug("aiDisplacementPadding");
if (!plug.isNull())
{
outputDispPadding = true;
dispPadding = MAX(dispPadding, plug.asFloat());
}
plug = dispNode.findPlug("aiDisplacementAutoBump");
if (!plug.isNull())
{
outputDispAutobump = true;
dispAutobump = dispAutobump || plug.asBool();
}
if (HasParameter(anodeEntry, "disp_map", atNode, "constant ARRAY NODE"))
{
AtNode *dispImage = ExportNode(shaderConns[0]);
AiNodeSetArray(atNode, "disp_map", AiArrayConvert(1, 1, AI_TYPE_NODE, &dispImage));
}
}
}
}
if (outputDispHeight && HasParameter(anodeEntry, "disp_height", atNode, "constant FLOAT"))
{
AiNodeSetFlt(atNode, "disp_height", dispHeight);
}
if (outputDispZeroValue && HasParameter(anodeEntry, "disp_zero_value", atNode, "constant FLOAT"))
{
AiNodeSetFlt(atNode, "disp_zero_value", dispZeroValue);
}
if (outputDispPadding && HasParameter(anodeEntry, "disp_padding", atNode, "constant FLOAT"))
{
AiNodeSetFlt(atNode, "disp_padding", dispPadding);
}
if (outputDispAutobump && HasParameter(anodeEntry, "disp_autobump", atNode, "constant BOOL"))
{
AiNodeSetBool(atNode, "disp_autobump", dispAutobump);
}
// Old point based SSS parameter
if (attrsSet.find("sss_sample_distribution") == attrsEnd)
{
plug = FindMayaPlug("sss_sample_distribution");
if (plug.isNull())
{
plug = FindMayaPlug("aiSssSampleDistribution");
}
if (!plug.isNull() && HasParameter(anodeEntry, "sss_sample_distribution", atNode, "constant INT"))
{
AiNodeSetInt(atNode, "sss_sample_distribution", plug.asInt());
}
}
// Old point based SSS parameter
if (attrsSet.find("sss_sample_spacing") == attrsEnd)
{
plug = FindMayaPlug("sss_sample_spacing");
if (plug.isNull())
{
plug = FindMayaPlug("aiSssSampleSpacing");
}
if (!plug.isNull() && HasParameter(anodeEntry, "sss_sample_spacing", atNode, "constant FLOAT"))
{
AiNodeSetFlt(atNode, "sss_sample_spacing", plug.asFloat());
}
}
if (attrsSet.find("min_pixel_width") == attrsEnd)
{
plug = FindMayaPlug("aiMinPixelWidth");
if (!plug.isNull() && HasParameter(anodeEntry, "min_pixel_width", atNode, "constant FLOAT"))
{
AiNodeSetFlt(atNode, "min_pixel_width", plug.asFloat());
}
}
if (attrsSet.find("mode") == attrsEnd)
{
plug = FindMayaPlug("aiMode");
if (!plug.isNull() && HasParameter(anodeEntry, "mode", atNode, "constant INT"))
{
AiNodeSetInt(atNode, "mode", plug.asShort());
}
}
if (attrsSet.find("basis") == attrsEnd)
{
plug = FindMayaPlug("aiBasis");
if (!plug.isNull() && HasParameter(anodeEntry, "basis", atNode, "constant INT"))
{
AiNodeSetInt(atNode, "basis", plug.asShort());
}
}
}
if (AiNodeIs(atNode, "ginstance"))
{
if (attrsSet.find("node") == attrsEnd)
{
AiNodeSetPtr(atNode, "node", m_masterNode);
}
if (attrsSet.find("inherit_xform") == attrsEnd)
{
AiNodeSetBool(atNode, "inherit_xform", false);
}
}
else
{
// box or procedural
if (attrsSet.find("step_size") == attrsEnd)
{
plug = FindMayaPlug("step_size");
if (plug.isNull())
{
plug = FindMayaPlug("aiStepSize");
}
if (!plug.isNull() && HasParameter(anodeEntry, "step_size", atNode, "constant FLOAT"))
{
AiNodeSetFlt(atNode, "step_size", plug.asFloat());
}
}
}
if (attrsSet.find("sidedness") == attrsEnd)
{
// Use maya shape built-in attribute
plug = FindMayaPlug("doubleSided");
if (!plug.isNull() && HasParameter(anodeEntry, "sidedness", atNode, "constant BYTE"))
{
AiNodeSetByte(atNode, "sidedness", plug.asBool() ? AI_RAY_ALL : 0);
// Only set invert_normals if doubleSided attribute could be found
if (!plug.asBool() && attrsSet.find("invert_normals") == attrsEnd)
{
// Use maya shape built-in attribute
plug = FindMayaPlug("opposite");
if (!plug.isNull() && HasParameter(anodeEntry, "invert_normals", atNode, "constant BOOL"))
{
AiNodeSetBool(atNode, "invert_normals", plug.asBool());
}
}
}
}
if (attrsSet.find("receive_shadows") == attrsEnd)
{
// Use maya shape built-in attribute
plug = FindMayaPlug("receiveShadows");
if (!plug.isNull() && HasParameter(anodeEntry, "receive_shadows", atNode, "constant BOOL"))
{
AiNodeSetBool(atNode, "receive_shadows", plug.asBool());
}
}
if (attrsSet.find("self_shadows") == attrsEnd)
{
plug = FindMayaPlug("self_shadows");
if (plug.isNull())
{
plug = FindMayaPlug("aiSelfShadows");
}
if (!plug.isNull() && HasParameter(anodeEntry, "self_shadows", atNode, "constant BOOL"))
{
AiNodeSetBool(atNode, "self_shadows", plug.asBool());
}
}
if (attrsSet.find("opaque") == attrsEnd)
{
plug = FindMayaPlug("opaque");
if (plug.isNull())
{
plug = FindMayaPlug("aiOpaque");
}
if (!plug.isNull() && HasParameter(anodeEntry, "opaque", atNode, "constant BOOL"))
{
AiNodeSetBool(atNode, "opaque", plug.asBool());
}
}
if (attrsSet.find("visibility") == attrsEnd)
{
if (HasParameter(anodeEntry, "visibility", atNode, "constant BYTE"))
{
int visibility = AI_RAY_ALL;
// Use maya shape built-in attribute
plug = FindMayaPlug("castsShadows");
if (!plug.isNull() && !plug.asBool())
{
visibility &= ~AI_RAY_SHADOW;
}
// Use maya shape built-in attribute
plug = FindMayaPlug("primaryVisibility");
if (!plug.isNull() && !plug.asBool())
{
visibility &= ~AI_RAY_CAMERA;
}
// Use maya shape built-in attribute
plug = FindMayaPlug("visibleInReflections");
if (!plug.isNull() && !plug.asBool())
{
visibility &= ~AI_RAY_REFLECTED;
}
// Use maya shape built-in attribute
plug = FindMayaPlug("visibleInRefractions");
if (!plug.isNull() && !plug.asBool())
{
visibility &= ~AI_RAY_REFRACTED;
}
plug = FindMayaPlug("diffuse_visibility");
if (plug.isNull())
{
plug = FindMayaPlug("aiVisibleInDiffuse");
}
if (!plug.isNull() && !plug.asBool())
{
visibility &= ~AI_RAY_DIFFUSE;
}
plug = FindMayaPlug("glossy_visibility");
if (plug.isNull())
{
plug = FindMayaPlug("aiVisibleInGlossy");
}
if (!plug.isNull() && !plug.asBool())
{
visibility &= ~AI_RAY_GLOSSY;
}
AiNodeSetByte(atNode, "visibility", visibility & 0xFF);
}
}
if (attrsSet.find("sss_setname") == attrsEnd)
{
plug = FindMayaPlug("aiSssSetname");
if (!plug.isNull() && plug.asString().length() > 0)
{
if (HasParameter(anodeEntry, "sss_setname", atNode, "constant STRING"))
{
AiNodeSetStr(atNode, "sss_setname", plug.asString().asChar());
}
}
}
// Set surface shader
if (HasParameter(anodeEntry, "shader", atNode, "constant NODE"))
{
if (attrsSet.find("shader") == attrsEnd)
{
if (shadingEngine.object() != MObject::kNullObj)
{
AtNode *shader = ExportNode(shadingEngine.findPlug("message"));
if (shader != NULL)
{
const AtNodeEntry *entry = AiNodeGetNodeEntry(shader);
if (AiNodeEntryGetType(entry) != AI_NODE_SHADER)
{
MGlobal::displayWarning("[mtoaScriptedTranslators] Node generated from \"" + shadingEngine.name() +
"\" of type " + shadingEngine.typeName() + " for shader is not a shader but a " +
MString(AiNodeEntryGetTypeName(entry)));
}
else
{
AiNodeSetPtr(atNode, "shader", shader);
if (AiNodeLookUpUserParameter(atNode, "mtoa_shading_groups") == 0)
{
AiNodeDeclare(atNode, "mtoa_shading_groups", "constant ARRAY NODE");
AiNodeSetArray(atNode, "mtoa_shading_groups", AiArrayConvert(1, 1, AI_TYPE_NODE, &shader));
}
}
}
}
}
}
}
ExportLightLinking(atNode);
MPlug plug = FindMayaPlug("aiTraceSets");
if (!plug.isNull())
{
ExportTraceSets(atNode, plug);
}
// Call cleanup command on last export step
if (!IsMotionBlurEnabled() || !IsLocalMotionBlurEnabled() || int(step) >= (int(GetNumMotionSteps()) - 1))
{
if (HasParameter(anodeEntry, "disp_padding", atNode))
{
float padding = AiNodeGetFlt(atNode, "disp_padding");
AtPoint cmin = AiNodeGetPnt(atNode, "min");
AtPoint cmax = AiNodeGetPnt(atNode, "max");
cmin.x -= padding;
cmin.y -= padding;
cmin.z -= padding;
cmax.x += padding;
cmax.y += padding;
cmax.z += padding;
AiNodeSetPnt(atNode, "min", cmin.x, cmin.y, cmin.z);
AiNodeSetPnt(atNode, "max", cmax.x, cmax.y, cmax.z);
}
if (cleanupCmd != "")
{
command = cleanupCmd += "((\"" + m_dagPath.partialPathName() + "\", \"";
command += AiNodeGetName(atNode);
command += "\"), ";
if (!m_masterNode)
{
command += "None)";
}
else
{
command += "(\"" + GetMasterInstance().partialPathName() + "\", \"";
command += AiNodeGetName(m_masterNode);
command += "\"))";
}
status = MGlobal::executePythonCommand(command);
if (!status)
{
AiMsgError("[mtoa.scriptedTranslators] Failed to cleanup node \"%s\".", node.name().asChar());
}
}
}
}
AtNode *createCurvesNode(nodeData &nodata, userData * ud, std::vector<float> &samples, int i)
{
Alembic::AbcGeom::ICurves typedObject(nodata.object, Alembic::Abc::kWrapExisting);
size_t minNumSamples = typedObject.getSchema().getNumSamples() == 1 ? typedObject.getSchema().getNumSamples() : samples.size();
shiftedProcessing(nodata, ud);
AtNode *shapeNode = AiNode("curves");
nodata.createdShifted = false;
// create arrays to hold the data
AtArray *pos = NULL;
// loop over all samples
AtULong posOffset = 0;
size_t totalNumPoints = 0;
size_t totalNumPositions = 0;
for(size_t sampleIndex = 0; sampleIndex < minNumSamples; ++sampleIndex)
{
SampleInfo sampleInfo = getSampleInfo(
samples[sampleIndex],
typedObject.getSchema().getTimeSampling(),
typedObject.getSchema().getNumSamples()
);
// get the floor sample
Alembic::AbcGeom::ICurvesSchema::Sample sample;
typedObject.getSchema().get(sample,sampleInfo.floorIndex);
// access the num points
Alembic::Abc::Int32ArraySamplePtr abcNumPoints = sample.getCurvesNumVertices();
// take care of the topology
if(sampleIndex == 0)
{
// hard coded pixel width, basis and mode
AiNodeSetFlt(shapeNode, "min_pixel_width", 0.25f);
AiNodeSetStr(shapeNode, "basis", "catmull-rom");
AiNodeSetStr(shapeNode, "mode", ud->gCurvesMode.c_str());
// setup the num_points
AtArray * numPoints = AiArrayAllocate((AtInt)abcNumPoints->size(),1,AI_TYPE_UINT);
for(size_t i=0;i<abcNumPoints->size();i++)
{
totalNumPoints += abcNumPoints->get()[i];
totalNumPositions += abcNumPoints->get()[i] + 2;
AiArraySetUInt(numPoints,(AtULong)i,(AtUInt)(abcNumPoints->get()[i]+2));
}
AiNodeSetArray(shapeNode,"num_points",numPoints);
// check if we have a radius
Alembic::Abc::IFloatArrayProperty propRadius;
if( getArbGeomParamPropertyAlembic( typedObject, "radius", propRadius ) )
{
Alembic::Abc::FloatArraySamplePtr abcRadius = propRadius.getValue(sampleInfo.floorIndex);
AtArray * radius = AiArrayAllocate((AtInt)abcRadius->size(),1,AI_TYPE_FLOAT);
for(size_t i=0; i < abcRadius->size(); ++i)
AiArraySetFlt(radius,(AtULong)i,abcRadius->get()[i]);
AiNodeSetArray(shapeNode,"radius",radius);
}
// check if we have uvs
Alembic::AbcGeom::IV2fGeomParam uvsParam = typedObject.getSchema().getUVsParam();
if(uvsParam.valid())
{
Alembic::Abc::V2fArraySamplePtr abcUvs = uvsParam.getExpandedValue(sampleInfo.floorIndex).getVals();
if(AiNodeDeclare(shapeNode, "Texture_Projection", "uniform POINT2"))
{
AtArray* uvs = AiArrayAllocate((AtInt)abcUvs->size(), 1, AI_TYPE_POINT2);
AtPoint2 uv;
for(size_t i=0; i<abcUvs->size(); i++)
{
uv.x = abcUvs->get()[i].x;
uv.y = abcUvs->get()[i].y;
AiArraySetPnt2(uvs, (AtULong)i, uv);
}
AiNodeSetArray(shapeNode, "Texture_Projection", uvs);
}
}
// check if we have colors
Alembic::Abc::IC4fArrayProperty propColor;
if( getArbGeomParamPropertyAlembic( typedObject, "color", propColor ) )
{
Alembic::Abc::C4fArraySamplePtr abcColors = propColor.getValue(sampleInfo.floorIndex);
AtBoolean result = false;
if(abcColors->size() == 1)
result = AiNodeDeclare(shapeNode, "Color", "constant RGBA");
else if(abcColors->size() == abcNumPoints->size())
result = AiNodeDeclare(shapeNode, "Color", "uniform RGBA");
else
result = AiNodeDeclare(shapeNode, "Color", "varying RGBA");
if(result)
{
AtArray * colors = AiArrayAllocate((AtInt)abcColors->size(), 1, AI_TYPE_RGBA);
AtRGBA color;
for(size_t i=0; i<abcColors->size(); ++i)
{
color.r = abcColors->get()[i].r;
color.g = abcColors->get()[i].g;
color.b = abcColors->get()[i].b;
color.a = abcColors->get()[i].a;
AiArraySetRGBA(colors, (AtULong)i, color);
}
AiNodeSetArray(shapeNode, "Color", colors);
}
}
}
// access the positions
Alembic::Abc::P3fArraySamplePtr abcPos = sample.getPositions();
if(pos == NULL)
pos = AiArrayAllocate((AtInt)(totalNumPositions * 3),(AtInt)minNumSamples,AI_TYPE_FLOAT);
// if we have to interpolate
bool done = false;
if(sampleInfo.alpha > sampleTolerance)
{
Alembic::AbcGeom::ICurvesSchema::Sample sample2;
typedObject.getSchema().get(sample2,sampleInfo.ceilIndex);
Alembic::Abc::P3fArraySamplePtr abcPos2 = sample2.getPositions();
float alpha = (float)sampleInfo.alpha;
float ialpha = 1.0f - alpha;
size_t offset = 0;
if(abcPos2->size() == abcPos->size())
{
for(size_t i=0; i<abcNumPoints->size(); ++i)
{
// add the first and last point manually (catmull clark)
for(size_t j=0; j<abcNumPoints->get()[i]; ++j)
{
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].x * ialpha + abcPos2->get()[offset].x * alpha);
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].y * ialpha + abcPos2->get()[offset].y * alpha);
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].z * ialpha + abcPos2->get()[offset].z * alpha);
if(j==0 || j == abcNumPoints->get()[i]-1)
{
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].x * ialpha + abcPos2->get()[offset].x * alpha);
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].y * ialpha + abcPos2->get()[offset].y * alpha);
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].z * ialpha + abcPos2->get()[offset].z * alpha);
}
++offset;
}
}
done = true;
}
else
{
Alembic::Abc::P3fArraySamplePtr abcVel = sample.getPositions();
if(abcVel)
{
if(abcVel->size() == abcPos->size())
{
for(size_t i=0; i<abcNumPoints->size(); ++i)
{
// add the first and last point manually (catmull clark)
for(size_t j=0; j<abcNumPoints->get()[i]; ++j)
{
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].x + abcVel->get()[offset].x * alpha);
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].y + abcVel->get()[offset].y * alpha);
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].z + abcVel->get()[offset].z * alpha);
if(j==0 || j == abcNumPoints->get()[i]-1)
{
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].x + abcVel->get()[offset].x * alpha);
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].y + abcVel->get()[offset].y * alpha);
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].z + abcVel->get()[offset].z * alpha);
}
++offset;
}
}
done = true;
}
}
}
}
if(!done)
{
size_t offset = 0;
for(size_t i=0; i<abcNumPoints->size(); ++i)
{
// add the first and last point manually (catmull clark)
for(size_t j=0; j<abcNumPoints->get()[i]; ++j)
{
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].x);
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].y);
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].z);
if(j==0 || j == abcNumPoints->get()[i]-1)
{
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].x);
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].y);
AiArraySetFlt(pos,posOffset++,abcPos->get()[offset].z);
}
++offset;
}
}
}
}
AiNodeSetArray(shapeNode, "points", pos);
return shapeNode;
}
virtual void ExportUserAttrs( AtNode *node )
{
// Get the optional attributes and export them as user vars
MPlug plug = FindMayaObjectPlug( "shaderAssignation" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "shaderAssignation", "constant STRING" );
AiNodeSetStr( node, "shaderAssignation", plug.asString().asChar() );
}
plug = FindMayaObjectPlug( "displacementAssignation" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "displacementAssignation", "constant STRING" );
AiNodeSetStr( node, "displacementAssignation", plug.asString().asChar() );
}
plug = FindMayaObjectPlug( "shaderAssignmentfile" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "shaderAssignmentfile", "constant STRING" );
AiNodeSetStr( node, "shaderAssignmentfile", plug.asString().asChar() );
}
plug = FindMayaObjectPlug( "overrides" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "overrides", "constant STRING" );
AiNodeSetStr( node, "overrides", plug.asString().asChar() );
}
plug = FindMayaObjectPlug( "overridefile" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "overridefile", "constant STRING" );
AiNodeSetStr( node, "overridefile", plug.asString().asChar() );
}
plug = FindMayaObjectPlug( "userAttributes" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "userAttributes", "constant STRING" );
AiNodeSetStr( node, "userAttributes", plug.asString().asChar() );
}
plug = FindMayaObjectPlug( "userAttributesfile" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "userAttributesfile", "constant STRING" );
AiNodeSetStr( node, "userAttributesfile", plug.asString().asChar() );
}
plug = FindMayaObjectPlug( "skipJson" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "skipJson", "constant BOOL" );
AiNodeSetBool( node, "skipJson", plug.asBool() );
}
plug = FindMayaObjectPlug( "skipShaders" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "skipShaders", "constant BOOL" );
AiNodeSetBool( node, "skipShaders", plug.asBool() );
}
plug = FindMayaObjectPlug( "skipOverrides" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "skipOverrides", "constant BOOL" );
AiNodeSetBool( node, "skipOverrides", plug.asBool() );
}
plug = FindMayaObjectPlug( "skipUserAttributes" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "skipUserAttributes", "constant BOOL" );
AiNodeSetBool( node, "skipUserAttributes", plug.asBool() );
}
plug = FindMayaObjectPlug( "skipDisplacements" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "skipDisplacements", "constant BOOL" );
AiNodeSetBool( node, "skipDisplacements", plug.asBool() );
}
plug = FindMayaObjectPlug( "objectPattern" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "objectPattern", "constant STRING" );
AiNodeSetStr( node, "objectPattern", plug.asString().asChar() );
}
plug = FindMayaObjectPlug( "assShaders" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "assShaders", "constant STRING" );
AiNodeSetStr( node, "assShaders", plug.asString().asChar() );
}
plug = FindMayaObjectPlug( "radiusPoint" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "radiusPoint", "constant FLOAT" );
AiNodeSetFlt( node, "radiusPoint", plug.asFloat() );
}
plug = FindMayaObjectPlug( "radiusCurve" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "radiusCurve", "constant FLOAT" );
AiNodeSetFlt( node, "radiusCurve", plug.asFloat() );
}
plug = FindMayaObjectPlug( "modeCurve" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "modeCurve", "constant STRING" );
int modeCurveInt = plug.asInt();
if (modeCurveInt == 1)
AiNodeSetStr(node, "modeCurve", "thick");
else if (modeCurveInt == 2)
AiNodeSetStr(node, "modeCurve", "oriented");
else
AiNodeSetStr(node, "modeCurve", "ribbon");
}
plug = FindMayaObjectPlug( "scaleVelocity" );
if( !plug.isNull() )
{
AiNodeDeclare( node, "scaleVelocity", "constant FLOAT" );
AiNodeSetFlt( node, "scaleVelocity", plug.asFloat() );
}
}