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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/** \file
* \ingroup balembic
*/
#include "abc_reader_transform.h"
#include "abc_util.h"
#include "DNA_object_types.h"
#include "BLI_utildefines.h"
#include "BKE_object.h"
using Alembic::Abc::ISampleSelector;
namespace blender {
namespace io {
namespace alembic {
AbcEmptyReader::AbcEmptyReader(const Alembic::Abc::IObject &object, ImportSettings &settings)
: AbcObjectReader(object, settings)
{
/* Empties have no data. It makes the import of Alembic files easier to
* understand when we name the empty after its name in Alembic. */
m_object_name = object.getName();
Alembic::AbcGeom::IXform xform(object, Alembic::AbcGeom::kWrapExisting);
m_schema = xform.getSchema();
get_min_max_time(m_iobject, m_schema, m_min_time, m_max_time);
}
bool AbcEmptyReader::valid() const
{
return m_schema.valid();
}
bool AbcEmptyReader::accepts_object_type(
const Alembic::AbcCoreAbstract::ObjectHeader &alembic_header,
const Object *const ob,
const char **err_str) const
{
if (!Alembic::AbcGeom::IXform::matches(alembic_header)) {
*err_str =
"Object type mismatch, Alembic object path pointed to XForm when importing, but not any "
"more.";
return false;
}
if (ob->type != OB_EMPTY) {
*err_str = "Object type mismatch, Alembic object path points to XForm.";
return false;
}
return true;
}
void AbcEmptyReader::readObjectData(Main *bmain, const ISampleSelector &UNUSED(sample_sel))
{
m_object = BKE_object_add_only_object(bmain, OB_EMPTY, m_object_name.c_str());
m_object->data = NULL;
}
} // namespace alembic
} // namespace io
} // namespace blender
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