ReturnType operator()( const T *data )
{
PrimitiveVariableMap::iterator it = m_mesh->variables.find( m_name );
if ( it == m_mesh->variables.end() && !m_remove )
{
typename T::Ptr data2 = 0;
std::map<ConstDataPtr, DataPtr>::iterator dataIt = m_visitedData.find( data );
if ( dataIt != m_visitedData.end() )
{
data2 = runTimeCast<T>( dataIt->second );
}
if ( !data2 )
{
typedef typename T::ValueType::value_type ValueType;
ValueType defaultValue = DefaultValue<ValueType>()();
size_t size = m_mesh->variableSize( m_interpolation ) - data->readable().size();
data2 = new T();
data2->writable().insert( data2->writable().end(), size, defaultValue );
data2->writable().insert( data2->writable().end(), data->readable().begin(), data->readable().end() );
}
m_mesh->variables[m_name] = PrimitiveVariable( m_interpolation, data2 );
m_visitedData[data] = data2;
}
}
FromHoudiniCurvesConverter::DuplicateEnds::ReturnType FromHoudiniCurvesConverter::DuplicateEnds::operator()( typename T::Ptr data ) const
{
assert( data );
typedef typename T::ValueType::value_type ValueType;
std::vector<ValueType> newValues;
const std::vector<ValueType> &origValues = data->readable();
size_t index = 0;
for ( size_t i=0; i < m_vertsPerCurve.size(); i++ )
{
for ( size_t j=0; j < (size_t)m_vertsPerCurve[i]; j++, index++ )
{
newValues.push_back( origValues[index] );
if ( j == 0 || j == (size_t)m_vertsPerCurve[i]-1 )
{
newValues.push_back( origValues[index] );
newValues.push_back( origValues[index] );
}
}
}
data->writable().swap( newValues );
}
ReturnType operator()( T * data )
{
typedef typename T::ValueType VecContainer;
typedef typename VecContainer::value_type Vec;
const VecContainer &points = data->readable();
unsigned numElements = points.size();
typename T::Ptr vD = new T();
vTangentsData = vD;
VecContainer &vTangents = vD->writable();
vTangents.resize( numElements );
PrimitiveEvaluator::ResultPtr result = m_evaluator->createResult();
unsigned pIndex = 0;
for( size_t curveIndex = 0; curveIndex < m_vertsPerCurve.size() ; curveIndex++ )
{
float v;
float vStep = 1.0f / m_vertsPerCurve[curveIndex];
for( int i = 0; i < m_vertsPerCurve[curveIndex]; i++ )
{
v = min( 1.0f, i * vStep );
m_evaluator->pointAtV( curveIndex, v, result );
vTangents[ pIndex + i ] = result->vTangent().normalized();
}
pIndex += m_vertsPerCurve[curveIndex];
}
}
typename T::Ptr vectorDataFromTypeDesc( TypeDesc type, void *&basePointer )
{
typename T::Ptr result = new T();
result->writable().resize( type.arraylen, typename T::ValueType::value_type( 0 ) );
basePointer = result->baseWritable();
return result;
}
ToHoudiniCurvesConverter::RemoveDuplicateEnds::ReturnType ToHoudiniCurvesConverter::RemoveDuplicateEnds::operator()( typename T::ConstPtr data ) const
{
assert( data );
typedef typename T::ValueType::value_type ValueType;
const std::vector<ValueType> &origValues = data->readable();
typename T::Ptr result = new T();
std::vector<ValueType> &newValues = result->writable();
size_t index = 0;
for ( size_t i=0; i < m_vertsPerCurve.size(); i++ )
{
for ( size_t j=0; j < (size_t)m_vertsPerCurve[i]; j++, index++ )
{
if ( j > 1 && j < (size_t)m_vertsPerCurve[i]-2 )
{
newValues.push_back( origValues[index] );
}
}
}
return result;
}
static DataPtr evaluatePrimitiveVariable( std::vector<GxSurfacePoint> &points, const std::string &primVarName )
{
typename T::Ptr result = new T;
result->writable().resize( points.size() );
if( points.size() )
{
GxEvaluateSurface( points.size(), &(points[0]), primVarName.c_str(), result->baseSize() / points.size(), result->baseWritable() );
}
return result;
}
DataPtr operator() ( T * data ) const
{
assert( data );
typedef typename T::ValueType::value_type Value;
const unsigned vPoints = m_resolution.y;
const unsigned uPoints = m_resolution.x;
typename T::Ptr newData = new T();
newData->writable().reserve( ( vPoints + 2 ) * uPoints );
for ( unsigned int v = 0; v < vPoints; v++ )
{
size_t iSeg;
float fSeg;
if ( v == vPoints - 1 )
{
iSeg = m_curves->numSegments( m_curveIndex ) - 1;
fSeg = 0.9999f;
}
else
{
float curveParam = float(v) / ( vPoints - 1 );
fSeg = curveParam * m_curves->numSegments( m_curveIndex );
iSeg = (size_t)floor( fSeg );
fSeg = fSeg - iSeg;
}
const int num = v == 0 || v == vPoints - 1 ? 2 : 1;
const size_t i0 = iSeg;
const size_t i1 = std::min( iSeg + 1, m_curves->variableSize( PrimitiveVariable::Varying, m_curveIndex ) );
for ( int x = 0; x < num; x++)
{
for ( unsigned u = 0; u < uPoints ; u ++)
{
Value value;
LinearInterpolator<Value>()(
data->readable()[ m_varyingOffset + i0 ],
data->readable()[ m_varyingOffset + i1],
fSeg,
value
);
newData->writable().push_back( value );
}
}
}
return newData;
}
IECore::DataPtr operator()( typename T::Ptr inData )
{
assert( inData );
const typename T::Ptr outData = new T();
outData->writable().resize( m_vertIds->readable().size() );
typename T::ValueType::iterator outIt = outData->writable().begin();
for ( typename T::ValueType::size_type i = 0; i < m_vertIds->readable().size(); i++ )
{
*outIt++ = inData->readable()[ m_vertIds->readable()[ i ] ];
}
return outData;
}
DataPtr operator() ( typename T::Ptr data ) const
{
assert( data );
typedef typename T::ValueType::value_type Value;
const unsigned vPoints = m_resolution.y;
const unsigned uPoints = m_resolution.x;
typename T::Ptr newData = new T();
newData->writable().reserve( ( vPoints ) * uPoints );
for ( unsigned int v = 0; v < vPoints; v++ )
{
int iSeg;
float fSeg;
if ( v == vPoints - 1 )
{
iSeg = m_curves->numSegments( m_curveIndex ) - 1;
fSeg = 0.9999f;
}
else
{
float curveParam = float(v) / ( vPoints - 1 );
fSeg = curveParam * m_curves->numSegments( m_curveIndex );
iSeg = (int)floor( fSeg );
fSeg = fSeg - iSeg;
}
for ( unsigned u = 0; u < uPoints ; u ++)
{
Value value;
LinearInterpolator<Value>()(
data->readable()[ m_varyingOffset + iSeg ],
data->readable()[ m_varyingOffset + iSeg + 1],
fSeg,
value
);
newData->writable().push_back( value );
}
}
return newData;
}
IECore::DataPtr operator()( const T *inData )
{
const typename T::Ptr outData = new T();
typename T::ValueType &out = outData->writable();
out.resize( m_numVertices );
size_t inIndex = 0;
size_t outIndex = 0;
const typename T::ValueType &in = inData->readable();
for( vector<int>::const_iterator it = m_vertsPerCurve.begin(), eIt = m_vertsPerCurve.end(); it != eIt; it++ )
{
for( int i=0; i<*it; i++ )
{
out[outIndex++] = in[inIndex];
}
inIndex += m_step;
}
return outData;
}
IECore::ObjectPtr FromMayaArrayDataConverter<F,T>::doConversion( const MObject &object, IECore::ConstCompoundObjectPtr operands ) const
{
typename MArrayTraits<F>::DataFn fnArrayData( object );
if( !fnArrayData.hasObj( object ) )
{
return 0;
}
F array = fnArrayData.array();
typename T::Ptr resultData = new T;
typename T::ValueType &resultArray = resultData->writable();
resultArray.resize( array.length() );
for( unsigned int i=0; i<resultArray.size(); i++ )
{
resultArray[i] = IECore::convert<typename T::ValueType::value_type, typename MArrayTraits<F>::ValueType>( array[i] );
}
return resultData;
}
Analysis::Result::Ptr DetectIn(LookaheadPluginsStorage<T>& container, DataLocation::Ptr input, const Module::DetectCallback& callback) const
{
const bool firstScan = 0 == Offset;
const std::size_t maxSize = input->GetData()->Size();
for (typename T::Iterator::Ptr iter = container.Enumerate(); iter->IsValid(); iter->Next())
{
Time::Timer timer;
const typename T::Ptr plugin = iter->Get();
const Analysis::Result::Ptr result = plugin->Detect(Params, input, callback);
const String id = plugin->GetDescription()->Id();
if (const std::size_t usedSize = result->GetMatchedDataSize())
{
Statistic::Self().AddAimed(*plugin, timer);
Dbg("Detected %1% in %2% bytes at %3%.", id, usedSize, input->GetPath()->AsString());
return result;
}
else
{
if (!firstScan)
{
Statistic::Self().AddMissed(*plugin, timer);
timer = Time::Timer();
}
const std::size_t lookahead = result->GetLookaheadOffset();
container.SetPluginLookahead(*plugin, id, lookahead);
if (lookahead == maxSize)
{
Statistic::Self().AddAimed(*plugin, timer);
}
else
{
Statistic::Self().AddScanned(*plugin, timer);
}
}
}
const std::size_t minLookahead = container.GetMinimalPluginLookahead();
return Analysis::CreateUnmatchedResult(minLookahead);
}
ReturnType operator()( typename T::Ptr data )
{
typedef typename T::ValueType Container;
typedef typename Container::value_type V;
Container &output = data->writable();
V2i paddedSize = m_size + V2i( 2 );
V *op = &(output[0]);
const char *ip = &(m_input[0]) + paddedSize.x + 1;
for( int y=0; y<m_size.y; y++ )
{
for( int x=0; x<m_size.x; x++ )
{
*op++ = *ip++;
}
ip +=2; // skip padding on right and left of next row
}
}
object operator()( typename T::Ptr data )
{
return object( data->readable() );
}
typename T::Ptr geometricVectorDataFromTypeDesc( TypeDesc type, void *&basePointer )
{
typename T::Ptr result = vectorDataFromTypeDesc<T>( type, basePointer );
result->setInterpretation( geometricInterpretationFromVecSemantics( (TypeDesc::VECSEMANTICS)type.vecsemantics ) );
return result;
}
static typename T::Ptr hexToDecVector( const char *s )
{
typename T::Ptr result = new T;
IECore::hexToDec<typename T::ValueType::value_type>( s, s + strlen( s ), std::back_insert_iterator<typename T::ValueType>( result->writable() ) );
return result;
}
DataPtr operator() ( typename T::Ptr data ) const
{
assert( data );
return new TypedData< typename T::ValueType::value_type >( data->readable()[ m_curveIndex ] );
}
ReturnType operator()( T * data )
{
typedef typename T::ValueType VecContainer;
typedef typename VecContainer::value_type Vec;
const VecContainer &points = data->readable();
// the uvIndices array is indexed as with any other facevarying data. the values in the
// array specify the connectivity of the uvs - where two facevertices have the same index
// they are known to be sharing a uv. for each one of these unique indices we compute
// the tangents and normal, by accumulating all the tangents and normals for the faces
// that reference them. we then take this data and shuffle it back into facevarying
// primvars for the mesh.
int numUniqueTangents = 1 + *max_element( m_uvIds.begin(), m_uvIds.end() );
VecContainer uTangents( numUniqueTangents, Vec( 0 ) );
VecContainer vTangents( numUniqueTangents, Vec( 0 ) );
VecContainer normals( numUniqueTangents, Vec( 0 ) );
for( size_t faceIndex = 0; faceIndex < m_vertsPerFace.size() ; faceIndex++ )
{
assert( m_vertsPerFace[faceIndex] == 3 );
// indices into the facevarying data for this face
size_t fvi0 = faceIndex * 3;
size_t fvi1 = fvi0 + 1;
size_t fvi2 = fvi1 + 1;
assert( fvi2 < m_vertIds.size() );
assert( fvi2 < m_u.size() );
assert( fvi2 < m_v.size() );
// positions for each vertex of this face
const Vec &p0 = points[ m_vertIds[ fvi0 ] ];
const Vec &p1 = points[ m_vertIds[ fvi1 ] ];
const Vec &p2 = points[ m_vertIds[ fvi2 ] ];
// uv coordinates for each vertex of this face
const Imath::V2f uv0( m_u[ fvi0 ], m_v[ fvi0 ] );
const Imath::V2f uv1( m_u[ fvi1 ], m_v[ fvi1 ] );
const Imath::V2f uv2( m_u[ fvi2 ], m_v[ fvi2 ] );
// compute tangents and normal for this face
const Vec e0 = p1 - p0;
const Vec e1 = p2 - p0;
const Imath::V2f e0uv = uv1 - uv0;
const Imath::V2f e1uv = uv2 - uv0;
Vec tangent = ( e0 * -e1uv.y + e1 * e0uv.y ).normalized();
Vec bitangent = ( e0 * -e1uv.x + e1 * e0uv.x ).normalized();
Vec normal = (p2-p1).cross(p0-p1);
normal.normalize();
// and accumlate them into the computation so far
uTangents[ m_uvIds[fvi0] ] += tangent;
uTangents[ m_uvIds[fvi1] ] += tangent;
uTangents[ m_uvIds[fvi2] ] += tangent;
vTangents[ m_uvIds[fvi0] ] += bitangent;
vTangents[ m_uvIds[fvi1] ] += bitangent;
vTangents[ m_uvIds[fvi2] ] += bitangent;
normals[ m_uvIds[fvi0] ] += normal;
normals[ m_uvIds[fvi1] ] += normal;
normals[ m_uvIds[fvi2] ] += normal;
}
// normalize and orthogonalize everything
for( size_t i = 0; i < uTangents.size(); i++ )
{
normals[i].normalize();
uTangents[i].normalize();
vTangents[i].normalize();
// Make uTangent/vTangent orthogonal to normal
uTangents[i] -= normals[i] * uTangents[i].dot( normals[i] );
vTangents[i] -= normals[i] * vTangents[i].dot( normals[i] );
uTangents[i].normalize();
vTangents[i].normalize();
if ( m_orthoTangents )
{
vTangents[i] -= uTangents[i] * vTangents[i].dot( uTangents[i] );
vTangents[i].normalize();
}
// make things less sinister
if( uTangents[i].cross( vTangents[i] ).dot( normals[i] ) < 0.0f )
{
uTangents[i] *= -1.0f;
}
}
// convert the tangents back to facevarying data and add that to the mesh
typename T::Ptr fvUD = new T();
typename T::Ptr fvVD = new T();
fvUTangentsData = fvUD;
fvVTangentsData = fvVD;
VecContainer &fvUTangents = fvUD->writable();
VecContainer &fvVTangents = fvVD->writable();
fvUTangents.resize( m_uvIds.size() );
fvVTangents.resize( m_uvIds.size() );
for( unsigned i=0; i<m_uvIds.size(); i++ )
{
fvUTangents[i] = uTangents[m_uvIds[i]];
fvVTangents[i] = vTangents[m_uvIds[i]];
}
}
