diff options
author | Julian Eisel <julian@blender.org> | 2020-07-01 18:13:57 +0300 |
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committer | Julian Eisel <julian@blender.org> | 2020-07-01 18:13:57 +0300 |
commit | 0829cebeb024095c268f190c34daa8ae9a5a224c (patch) | |
tree | 12ee5a4a1c2a32e12eff47c8eb9bb0ed217791c1 /source/blender/io/alembic/exporter/abc_writer_mball.cc | |
parent | cfde6ebf450594faa57c4bfeaecff10fe512c91b (diff) | |
parent | 42be3964eb201180f6b0fa1ff6ce43b8c3845bc2 (diff) |
Merge branch 'master' into asset-uuid--archivedasset-uuid--archived
Diffstat (limited to 'source/blender/io/alembic/exporter/abc_writer_mball.cc')
-rw-r--r-- | source/blender/io/alembic/exporter/abc_writer_mball.cc | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/source/blender/io/alembic/exporter/abc_writer_mball.cc b/source/blender/io/alembic/exporter/abc_writer_mball.cc new file mode 100644 index 00000000000..167e392eb96 --- /dev/null +++ b/source/blender/io/alembic/exporter/abc_writer_mball.cc @@ -0,0 +1,90 @@ +/* + * 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_writer_mball.h" +#include "abc_hierarchy_iterator.h" + +#include "BLI_assert.h" + +#include "BKE_displist.h" +#include "BKE_lib_id.h" +#include "BKE_mball.h" +#include "BKE_mesh.h" +#include "BKE_object.h" + +#include "DNA_mesh_types.h" +#include "DNA_meta_types.h" + +namespace blender { +namespace io { +namespace alembic { + +ABCMetaballWriter::ABCMetaballWriter(const ABCWriterConstructorArgs &args) + : ABCGenericMeshWriter(args) +{ +} + +bool ABCMetaballWriter::is_supported(const HierarchyContext *context) const +{ + Scene *scene = DEG_get_input_scene(args_.depsgraph); + bool supported = is_basis_ball(scene, context->object) && + ABCGenericMeshWriter::is_supported(context); + return supported; +} + +bool ABCMetaballWriter::check_is_animated(const HierarchyContext & /*context*/) const +{ + /* We assume that metaballs are always animated, as the current object may + * not be animated but another ball in the same group may be. */ + return true; +} + +bool ABCMetaballWriter::export_as_subdivision_surface(Object * /*ob_eval*/) const +{ + /* Metaballs should be exported to subdivision surfaces, if the export options allow. */ + return true; +} + +Mesh *ABCMetaballWriter::get_export_mesh(Object *object_eval, bool &r_needsfree) +{ + Mesh *mesh_eval = BKE_object_get_evaluated_mesh(object_eval); + if (mesh_eval != nullptr) { + /* Mesh_eval only exists when generative modifiers are in use. */ + r_needsfree = false; + return mesh_eval; + } + r_needsfree = true; + return BKE_mesh_new_from_object(args_.depsgraph, object_eval, false); +} + +void ABCMetaballWriter::free_export_mesh(Mesh *mesh) +{ + BKE_id_free(nullptr, mesh); +} + +bool ABCMetaballWriter::is_basis_ball(Scene *scene, Object *ob) const +{ + Object *basis_ob = BKE_mball_basis_find(scene, ob); + return ob == basis_ob; +} + +} // namespace alembic +} // namespace io +} // namespace blender |