void SceneReader::hashTransform( const ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent, IECore::MurmurHash &h ) const
{
SceneNode::hashTransform( path, context, parent, h );
ConstSceneInterfacePtr s = scene( path );
if( !s )
{
return;
}
refreshCountPlug()->hash( h );
s->hash( SceneInterface::TransformHash, context->getTime(), h );
}
void SceneReader::hashAttributes( const ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent, IECore::MurmurHash &h ) const
{
ConstSceneInterfacePtr s = scene( path );
if( !s )
{
h = parent->attributesPlug()->defaultValue()->Object::hash();
return;
}
SceneNode::hashAttributes( path, context, parent, h );
refreshCountPlug()->hash( h );
s->hash( SceneInterface::AttributesHash, context->getTime(), h );
}
void SceneReader::hashObject( const ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent, IECore::MurmurHash &h ) const
{
ConstSceneInterfacePtr s = scene( path );
if( !s || !s->hasObject() )
{
// no object
h = parent->objectPlug()->defaultValue()->hash();
return;
}
SceneNode::hashObject( path, context, parent, h );
refreshCountPlug()->hash( h );
s->hash( SceneInterface::ObjectHash, context->getTime(), h );
}
void SceneReader::hashChildNames( const ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent, IECore::MurmurHash &h ) const
{
ConstSceneInterfacePtr s = scene( path );
if( !s )
{
h = parent->childNamesPlug()->defaultValue()->Object::hash();
return;
}
SceneNode::hashChildNames( path, context, parent, h );
refreshCountPlug()->hash( h );
// append a hash of the tags plug, as restricting the tags can affect the hierarchy
tagsPlug()->hash( h );
s->hash( SceneInterface::ChildNamesHash, context->getTime(), h );
}
void SceneReader::hashBound( const ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent, IECore::MurmurHash &h ) const
{
SceneNode::hashBound( path, context, parent, h );
ConstSceneInterfacePtr s = scene( path );
if( !s )
{
return;
}
refreshCountPlug()->hash( h );
if( s->hasBound() )
{
s->hash( SceneInterface::BoundHash, context->getTime(), h );
}
else
{
fileNamePlug()->hash( h );
h.append( &path.front(), path.size() );
}
}