void Grid::hashObject( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent, IECore::MurmurHash &h ) const
{
if( path.size() == 2 )
{
SceneNode::hashObject( path, context, parent, h );
h.append( path.back() );
dimensionsPlug()->hash( h );
if( path.back() == g_gridLinesName )
{
spacingPlug()->hash( h );
gridColorPlug()->hash( h );
}
else if( path.back() == g_centerLinesName )
{
centerColorPlug()->hash( h );
}
else if( path.back() == g_borderLinesName )
{
borderColorPlug()->hash( h );
}
}
else
{
h = outPlug()->objectPlug()->defaultValue()->hash();
}
}
void Grid::hashChildNames( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent, IECore::MurmurHash &h ) const
{
SceneNode::hashChildNames( path, context, parent, h );
h.append( (uint64_t)path.size() );
if( path.size() == 0 )
{
namePlug()->hash( h );
}
}
Imath::Box3f ObjectSource::computeBound( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent ) const
{
Imath::Box3f result;
IECore::ConstObjectPtr object = sourcePlug()->getValue();
if( const IECore::VisibleRenderable *renderable = IECore::runTimeCast<const IECore::VisibleRenderable>( object.get() ) )
{
result = renderable->bound();
}
else if( object->isInstanceOf( IECore::Camera::staticTypeId() ) )
{
result = Imath::Box3f( Imath::V3f( -0.5, -0.5, 0 ), Imath::V3f( 0.5, 0.5, 2.0 ) );
}
else if( object->isInstanceOf( IECore::CoordinateSystem::staticTypeId() ) )
{
result = Imath::Box3f( Imath::V3f( 0 ), Imath::V3f( 1 ) );
}
else
{
result = Imath::Box3f( Imath::V3f( -0.5 ), Imath::V3f( 0.5 ) );
}
if( path.size() == 0 )
{
result = Imath::transform( result, transformPlug()->matrix() );
}
return result;
}
Imath::M44f ObjectSource::computeTransform( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent ) const
{
if( path.size() == 1 )
{
return transformPlug()->matrix();
}
return Imath::M44f();
}
void ObjectSource::hashTransform( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent, IECore::MurmurHash &h ) const
{
SceneNode::hashTransform( path, context, parent, h );
if( path.size() == 1 )
{
transformPlug()->hash( h );
}
}
void Light::hashBound( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent, IECore::MurmurHash &h ) const
{
SceneNode::hashBound( path, context, parent, h );
if( path.size() == 0 )
{
transformPlug()->hash( h );
}
}
Imath::M44f Grid::computeTransform( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent ) const
{
if( path.size() == 1 )
{
return transformPlug()->matrix();
}
return outPlug()->transformPlug()->defaultValue();
}
Imath::Box3f Light::computeBound( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent ) const
{
Imath::Box3f result = Imath::Box3f( Imath::V3f( -.5 ), Imath::V3f( .5 ) );
if( path.size() == 0 )
{
result = Imath::transform( result, transformPlug()->matrix() );
}
return result;
}
IECore::ConstObjectPtr ObjectSource::computeObject( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent ) const
{
if( path.size() != 1 )
{
return parent->objectPlug()->defaultValue();
}
return sourcePlug()->getValue();
}
void ObjectSource::hashChildNames( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent, IECore::MurmurHash &h ) const
{
if( path.size() == 0 )
{
SceneNode::hashChildNames( path, context, parent, h );
namePlug()->hash( h );
return;
}
h = parent->childNamesPlug()->defaultValue()->Object::hash();
}
Imath::Box3f ObjectSource::computeBound( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent ) const
{
IECore::ConstObjectPtr object = sourcePlug()->getValue();
Imath::Box3f result = bound( object.get() );
if( path.size() == 0 )
{
result = Imath::transform( result, transformPlug()->matrix() );
}
return result;
}
void ObjectSource::hashObject( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent, IECore::MurmurHash &h ) const
{
if( path.size() != 1 )
{
h = parent->objectPlug()->defaultValue()->hash();
return;
}
SceneNode::hashObject( path, context, parent, h );
sourcePlug()->hash( h );
}
IECore::ConstInternedStringVectorDataPtr Grid::computeChildNames( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent ) const
{
if( path.size() <= 1 )
{
InternedStringVectorDataPtr resultData = new InternedStringVectorData;
std::vector<InternedString> &result = resultData->writable();
if( path.size() == 0 )
{
result.push_back( namePlug()->getValue() );
}
else
{
result.push_back( g_gridLinesName );
result.push_back( g_centerLinesName );
result.push_back( g_borderLinesName );
}
return resultData;
}
return outPlug()->childNamesPlug()->defaultValue();
}
void Grid::hashBound( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent, IECore::MurmurHash &h ) const
{
if( path.size() == 0 )
{
h = hashOfTransformedChildBounds( path, parent );
}
else
{
Source::hashBound( path, context, parent, h );
dimensionsPlug()->hash( h );
}
}
Imath::Box3f Grid::computeBound( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent ) const
{
if( path.size() == 0 )
{
return unionOfTransformedChildBounds( path, parent );
}
else
{
const V2f halfDimensions = dimensionsPlug()->getValue() / 2.0f;
const V3f d( halfDimensions.x, halfDimensions.y, 0 );
return Box3f( -d, d );
}
}
IECore::ConstCompoundObjectPtr Grid::computeAttributes( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent ) const
{
if( path.size() == 1 )
{
CompoundObjectPtr result = new CompoundObject;
result->members()["gl:curvesPrimitive:useGLLines"] = new BoolData( true );
result->members()["gl:smoothing:lines"] = new BoolData( true );
ShaderPtr shader = new Shader( "Constant", "gl:surface" );
shader->parameters()["Cs"] = new Color3fData( Color3f( 1 ) );
result->members()["gl:surface"] = shader;
return result;
}
else if( path.size() == 2 )
{
float pixelWidth = 1.0f;
if( path.back() == g_gridLinesName )
{
pixelWidth = gridPixelWidthPlug()->getValue();
}
else if( path.back() == g_centerLinesName )
{
pixelWidth = centerPixelWidthPlug()->getValue();
}
else if( path.back() == g_borderLinesName )
{
pixelWidth = borderPixelWidthPlug()->getValue();
}
CompoundObjectPtr result = new CompoundObject;
result->members()["gl:curvesPrimitive:glLineWidth"] = new FloatData( pixelWidth );
return result;
}
return outPlug()->attributesPlug()->defaultValue();
}
IECore::ConstInternedStringVectorDataPtr ObjectSource::computeChildNames( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent ) const
{
if( path.size() == 0 )
{
IECore::InternedStringVectorDataPtr result = new IECore::InternedStringVectorData();
const std::string &name = namePlug()->getValue();
if( name.size() )
{
result->writable().push_back( name );
}
else
{
result->writable().push_back( "unnamed" );
}
return result;
}
return parent->childNamesPlug()->defaultValue();
}
IECore::ConstObjectPtr Grid::computeObject( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent ) const
{
if( path.size() == 2 )
{
IntVectorDataPtr vertsPerCurveData = new IntVectorData;
vector<int> &vertsPerCurve = vertsPerCurveData->writable();
V3fVectorDataPtr pData = new V3fVectorData;
pData->setInterpretation( GeometricData::Point );
vector<V3f> &p = pData->writable();
bool periodic = false;
Color3f cs( 1 );
const V2f halfDimensions = dimensionsPlug()->getValue() / 2.0f;
if( path.back() == g_gridLinesName )
{
const float spacing = spacingPlug()->getValue();
const V2i n = V2f( halfDimensions / spacing ) - V2f( 0.01 );
for( int d = 0; d < 2; ++d )
{
const int d0 = d;
const int d1 = d == 0 ? 1 : 0;
for( int i = -n[d]; i <= n[d]; ++i )
{
if( i == 0 )
{
continue;
}
vertsPerCurve.push_back( 2 );
V3f e( 0 );
e[d0] = i * spacing;
e[d1] = -halfDimensions[d1];
p.push_back( e );
e[d1] = halfDimensions[d1];
p.push_back( e );
}
}
cs = gridColorPlug()->getValue();
}
else if( path.back() == g_centerLinesName )
{
vertsPerCurve.push_back( 2 );
p.push_back( V3f( halfDimensions.x, 0, 0 ) );
p.push_back( V3f( -halfDimensions.x, 0, 0 ) );
vertsPerCurve.push_back( 2 );
p.push_back( V3f( 0, halfDimensions.y, 0 ) );
p.push_back( V3f( 0, -halfDimensions.y, 0 ) );
cs = centerColorPlug()->getValue();
}
else if( path.back() == g_borderLinesName )
{
vertsPerCurve.push_back( 4 );
p.push_back( V3f( -halfDimensions.x, -halfDimensions.y, 0 ) );
p.push_back( V3f( halfDimensions.x, -halfDimensions.y, 0 ) );
p.push_back( V3f( halfDimensions.x, halfDimensions.y, 0 ) );
p.push_back( V3f( -halfDimensions.x, halfDimensions.y, 0 ) );
periodic = true;
cs = borderColorPlug()->getValue();
}
CurvesPrimitivePtr result = new CurvesPrimitive( vertsPerCurveData, CubicBasisf::linear(), periodic, pData );
result->variables["Cs"] = PrimitiveVariable( PrimitiveVariable::Constant, new Color3fData( cs ) );
return result;
}
return outPlug()->objectPlug()->defaultValue();
}
