diff options
Diffstat (limited to 'source/blender/io/alembic/intern/abc_exporter.cc')
| -rw-r--r-- | source/blender/io/alembic/intern/abc_exporter.cc | 673 |
1 files changed, 0 insertions, 673 deletions
diff --git a/source/blender/io/alembic/intern/abc_exporter.cc b/source/blender/io/alembic/intern/abc_exporter.cc deleted file mode 100644 index 8dad8dff199..00000000000 --- a/source/blender/io/alembic/intern/abc_exporter.cc +++ /dev/null @@ -1,673 +0,0 @@ -/* - * 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_exporter.h" - -#include <cmath> - -#include "abc_util.h" -#include "abc_writer_archive.h" -#include "abc_writer_camera.h" -#include "abc_writer_curves.h" -#include "abc_writer_hair.h" -#include "abc_writer_mball.h" -#include "abc_writer_mesh.h" -#include "abc_writer_nurbs.h" -#include "abc_writer_points.h" -#include "abc_writer_transform.h" - -#include "DNA_camera_types.h" -#include "DNA_curve_types.h" -#include "DNA_fluid_types.h" -#include "DNA_mesh_types.h" -#include "DNA_meta_types.h" -#include "DNA_modifier_types.h" -#include "DNA_object_types.h" -#include "DNA_scene_types.h" -#include "DNA_space_types.h" /* for FILE_MAX */ - -#include "BLI_string.h" - -#ifdef WIN32 -/* needed for MSCV because of snprintf from BLI_string */ -# include "BLI_winstuff.h" -#endif - -#include "BKE_duplilist.h" -#include "BKE_global.h" -#include "BKE_idprop.h" -#include "BKE_layer.h" -#include "BKE_main.h" -#include "BKE_mball.h" -#include "BKE_modifier.h" -#include "BKE_particle.h" -#include "BKE_scene.h" - -#include "DEG_depsgraph_query.h" - -using Alembic::Abc::OBox3dProperty; -using Alembic::Abc::TimeSamplingPtr; - -/* ************************************************************************** */ - -ExportSettings::ExportSettings() - : scene(NULL), - view_layer(NULL), - depsgraph(NULL), - logger(), - selected_only(false), - visible_objects_only(false), - renderable_only(false), - frame_start(1), - frame_end(1), - frame_samples_xform(1), - frame_samples_shape(1), - shutter_open(0.0), - shutter_close(1.0), - global_scale(1.0f), - flatten_hierarchy(false), - export_normals(false), - export_uvs(false), - export_vcols(false), - export_face_sets(false), - export_vweigths(false), - export_hair(true), - export_particles(true), - apply_subdiv(false), - use_subdiv_schema(false), - export_child_hairs(true), - pack_uv(false), - triangulate(false), - quad_method(0), - ngon_method(0) -{ -} - -static bool object_is_smoke_sim(Object *ob) -{ - ModifierData *md = BKE_modifiers_findby_type(ob, eModifierType_Fluid); - - if (md) { - FluidModifierData *smd = reinterpret_cast<FluidModifierData *>(md); - return (smd->type == MOD_FLUID_TYPE_DOMAIN && smd->domain && - smd->domain->type == FLUID_DOMAIN_TYPE_GAS); - } - - return false; -} - -static bool object_type_is_exportable(Scene *scene, Object *ob) -{ - switch (ob->type) { - case OB_MESH: - if (object_is_smoke_sim(ob)) { - return false; - } - - return true; - case OB_EMPTY: - case OB_CURVE: - case OB_SURF: - case OB_CAMERA: - return true; - case OB_MBALL: - return AbcMBallWriter::isBasisBall(scene, ob); - default: - return false; - } -} - -/** - * Returns whether this object should be exported into the Alembic file. - * - * \param settings: export settings, used for options like 'selected only'. - * \param ob: the object's base in question. - * \param is_duplicated: Normally false; true when the object is instanced - * into the scene by a dupli-object (e.g. part of a dupligroup). - * This ignores selection and layer visibility, - * and assumes that the dupli-object itself (e.g. the group-instantiating empty) is exported. - */ -static bool export_object(const ExportSettings *const settings, - const Base *const base, - bool is_duplicated) -{ - if (!is_duplicated) { - View3D *v3d = NULL; - - /* These two tests only make sense when the object isn't being instanced - * into the scene. When it is, its exportability is determined by - * its dupli-object and the DupliObject::no_draw property. */ - if (settings->selected_only && !BASE_SELECTED(v3d, base)) { - return false; - } - // FIXME Sybren: handle these cleanly (maybe just remove code), - // now using active scene layer instead. - if (settings->visible_objects_only && !BASE_VISIBLE(v3d, base)) { - return false; - } - } - - Object *ob_eval = DEG_get_evaluated_object(settings->depsgraph, base->object); - if ((ob_eval->id.tag & LIB_TAG_COPIED_ON_WRITE) == 0) { - /* XXX fix after 2.80: the object was not part of the depsgraph, and thus we cannot get the - * evaluated copy to export. This will be handled more elegantly in the new - * AbstractHierarchyIterator that Sybren is working on. This condition is temporary, and avoids - * a BLI_assert() failure getting the evaluated mesh of this object. */ - return false; - } - - // if (settings->renderable_only && (ob->restrictflag & OB_RESTRICT_RENDER)) { - // return false; - // } - - return true; -} - -/* ************************************************************************** */ - -AbcExporter::AbcExporter(Main *bmain, const char *filename, ExportSettings &settings) - : m_bmain(bmain), - m_settings(settings), - m_filename(filename), - m_trans_sampling_index(0), - m_shape_sampling_index(0), - m_writer(NULL) -{ -} - -AbcExporter::~AbcExporter() -{ - /* Free xforms map */ - m_xforms_type::iterator it_x, e_x; - for (it_x = m_xforms.begin(), e_x = m_xforms.end(); it_x != e_x; ++it_x) { - delete it_x->second; - } - - /* Free shapes vector */ - for (int i = 0, e = m_shapes.size(); i != e; i++) { - delete m_shapes[i]; - } - - delete m_writer; -} - -void AbcExporter::getShutterSamples(unsigned int nr_of_samples, - bool time_relative, - std::vector<double> &samples) -{ - Scene *scene = m_settings.scene; /* for use in the FPS macro */ - samples.clear(); - - unsigned int frame_offset = time_relative ? m_settings.frame_start : 0; - double time_factor = time_relative ? FPS : 1.0; - double shutter_open = m_settings.shutter_open; - double shutter_close = m_settings.shutter_close; - double time_inc = (shutter_close - shutter_open) / nr_of_samples; - - /* sample between shutter open & close */ - for (int sample = 0; sample < nr_of_samples; sample++) { - double sample_time = shutter_open + time_inc * sample; - double time = (frame_offset + sample_time) / time_factor; - - samples.push_back(time); - } -} - -Alembic::Abc::TimeSamplingPtr AbcExporter::createTimeSampling(double step) -{ - std::vector<double> samples; - - if (m_settings.frame_start == m_settings.frame_end) { - return TimeSamplingPtr(new Alembic::Abc::TimeSampling()); - } - - getShutterSamples(step, true, samples); - - /* TODO(Sybren): shouldn't we use the FPS macro here? */ - Alembic::Abc::TimeSamplingType ts(static_cast<uint32_t>(samples.size()), - 1.0 / m_settings.scene->r.frs_sec); - - return TimeSamplingPtr(new Alembic::Abc::TimeSampling(ts, samples)); -} - -void AbcExporter::getFrameSet(unsigned int nr_of_samples, std::set<double> &frames) -{ - frames.clear(); - - std::vector<double> shutter_samples; - - getShutterSamples(nr_of_samples, false, shutter_samples); - - for (double frame = m_settings.frame_start; frame <= m_settings.frame_end; frame += 1.0) { - for (size_t j = 0; j < nr_of_samples; j++) { - frames.insert(frame + shutter_samples[j]); - } - } -} - -void AbcExporter::operator()(short *do_update, float *progress, bool *was_canceled) -{ - std::string abc_scene_name; - - if (m_bmain->name[0] != '\0') { - char scene_file_name[FILE_MAX]; - BLI_strncpy(scene_file_name, m_bmain->name, FILE_MAX); - abc_scene_name = scene_file_name; - } - else { - abc_scene_name = "untitled"; - } - - m_writer = new ArchiveWriter(m_filename, abc_scene_name, m_settings.scene); - - /* Create time samplings for transforms and shapes. */ - - TimeSamplingPtr trans_time = createTimeSampling(m_settings.frame_samples_xform); - - m_trans_sampling_index = m_writer->archive().addTimeSampling(*trans_time); - - TimeSamplingPtr shape_time; - - if ((m_settings.frame_samples_shape == m_settings.frame_samples_xform) || - (m_settings.frame_start == m_settings.frame_end)) { - shape_time = trans_time; - m_shape_sampling_index = m_trans_sampling_index; - } - else { - shape_time = createTimeSampling(m_settings.frame_samples_shape); - m_shape_sampling_index = m_writer->archive().addTimeSampling(*shape_time); - } - - OBox3dProperty archive_bounds_prop = Alembic::AbcGeom::CreateOArchiveBounds( - m_writer->archive(), m_trans_sampling_index); - - createTransformWritersHierarchy(); - createShapeWriters(); - - /* Make a list of frames to export. */ - - std::set<double> xform_frames; - getFrameSet(m_settings.frame_samples_xform, xform_frames); - - std::set<double> shape_frames; - getFrameSet(m_settings.frame_samples_shape, shape_frames); - - /* Merge all frames needed. */ - std::set<double> frames(xform_frames); - frames.insert(shape_frames.begin(), shape_frames.end()); - - /* Export all frames. */ - - std::set<double>::const_iterator begin = frames.begin(); - std::set<double>::const_iterator end = frames.end(); - - const float size = static_cast<float>(frames.size()); - size_t i = 0; - - for (; begin != end; ++begin) { - *progress = (++i / size); - *do_update = 1; - - if (G.is_break) { - *was_canceled = true; - break; - } - - const double frame = *begin; - - /* 'frame' is offset by start frame, so need to cancel the offset. */ - setCurrentFrame(m_bmain, frame); - - if (shape_frames.count(frame) != 0) { - for (int i = 0, e = m_shapes.size(); i != e; i++) { - m_shapes[i]->write(); - } - } - - if (xform_frames.count(frame) == 0) { - continue; - } - - m_xforms_type::iterator xit, xe; - for (xit = m_xforms.begin(), xe = m_xforms.end(); xit != xe; ++xit) { - xit->second->write(); - } - - /* Save the archive 's bounding box. */ - Imath::Box3d bounds; - - for (xit = m_xforms.begin(), xe = m_xforms.end(); xit != xe; ++xit) { - Imath::Box3d box = xit->second->bounds(); - bounds.extendBy(box); - } - - archive_bounds_prop.set(bounds); - } -} - -void AbcExporter::createTransformWritersHierarchy() -{ - for (Base *base = static_cast<Base *>(m_settings.view_layer->object_bases.first); base; - base = base->next) { - Object *ob = base->object; - - if (export_object(&m_settings, base, false)) { - switch (ob->type) { - case OB_LAMP: - case OB_LATTICE: - case OB_SPEAKER: - /* We do not export transforms for objects of these classes. */ - break; - default: - exploreTransform(base, ob, ob->parent, NULL); - } - } - } -} - -void AbcExporter::exploreTransform(Base *base, - Object *object, - Object *parent, - Object *dupliObParent) -{ - /* If an object isn't exported itself, its duplilist shouldn't be - * exported either. */ - if (!export_object(&m_settings, base, dupliObParent != NULL)) { - return; - } - - Object *ob = DEG_get_evaluated_object(m_settings.depsgraph, object); - if (object_type_is_exportable(m_settings.scene, ob)) { - createTransformWriter(ob, parent, dupliObParent); - } - - ListBase *lb = object_duplilist(m_settings.depsgraph, m_settings.scene, ob); - - if (lb) { - DupliObject *link = static_cast<DupliObject *>(lb->first); - Object *dupli_ob = NULL; - Object *dupli_parent = NULL; - - for (; link; link = link->next) { - /* This skips things like custom bone shapes. */ - if (m_settings.renderable_only && link->no_draw) { - continue; - } - - if (link->type == OB_DUPLICOLLECTION) { - dupli_ob = link->ob; - dupli_parent = (dupli_ob->parent) ? dupli_ob->parent : ob; - - exploreTransform(base, dupli_ob, dupli_parent, ob); - } - } - - free_object_duplilist(lb); - } -} - -AbcTransformWriter *AbcExporter::createTransformWriter(Object *ob, - Object *parent, - Object *dupliObParent) -{ - /* An object should not be its own parent, or we'll get infinite loops. */ - BLI_assert(ob != parent); - BLI_assert(ob != dupliObParent); - - std::string name; - if (m_settings.flatten_hierarchy) { - name = get_id_name(ob); - } - else { - name = get_object_dag_path_name(ob, dupliObParent); - } - - /* check if we have already created a transform writer for this object */ - AbcTransformWriter *my_writer = getXForm(name); - if (my_writer != NULL) { - return my_writer; - } - - AbcTransformWriter *parent_writer = NULL; - Alembic::Abc::OObject alembic_parent; - - if (m_settings.flatten_hierarchy || parent == NULL) { - /* Parentless objects still have the "top object" as parent - * in Alembic. */ - alembic_parent = m_writer->archive().getTop(); - } - else { - /* Since there are so many different ways to find parents (as evident - * in the number of conditions below), we can't really look up the - * parent by name. We'll just call createTransformWriter(), which will - * return the parent's AbcTransformWriter pointer. */ - if (parent->parent) { - if (parent == dupliObParent) { - parent_writer = createTransformWriter(parent, parent->parent, NULL); - } - else { - parent_writer = createTransformWriter(parent, parent->parent, dupliObParent); - } - } - else if (parent == dupliObParent) { - if (dupliObParent->parent == NULL) { - parent_writer = createTransformWriter(parent, NULL, NULL); - } - else { - parent_writer = createTransformWriter( - parent, dupliObParent->parent, dupliObParent->parent); - } - } - else { - parent_writer = createTransformWriter(parent, dupliObParent, dupliObParent); - } - - BLI_assert(parent_writer); - alembic_parent = parent_writer->alembicXform(); - } - - my_writer = new AbcTransformWriter( - ob, alembic_parent, parent_writer, m_trans_sampling_index, m_settings); - - /* When flattening, the matrix of the dupliobject has to be added. */ - if (m_settings.flatten_hierarchy && dupliObParent) { - my_writer->m_proxy_from = dupliObParent; - } - - m_xforms[name] = my_writer; - return my_writer; -} - -void AbcExporter::createShapeWriters() -{ - for (Base *base = static_cast<Base *>(m_settings.view_layer->object_bases.first); base; - base = base->next) { - exploreObject(base, base->object, NULL); - } -} - -void AbcExporter::exploreObject(Base *base, Object *object, Object *dupliObParent) -{ - /* If an object isn't exported itself, its duplilist shouldn't be - * exported either. */ - if (!export_object(&m_settings, base, dupliObParent != NULL)) { - return; - } - - Object *ob = DEG_get_evaluated_object(m_settings.depsgraph, object); - createShapeWriter(ob, dupliObParent); - - ListBase *lb = object_duplilist(m_settings.depsgraph, m_settings.scene, ob); - - if (lb) { - DupliObject *link = static_cast<DupliObject *>(lb->first); - - for (; link; link = link->next) { - /* This skips things like custom bone shapes. */ - if (m_settings.renderable_only && link->no_draw) { - continue; - } - if (link->type == OB_DUPLICOLLECTION) { - exploreObject(base, link->ob, ob); - } - } - - free_object_duplilist(lb); - } -} - -void AbcExporter::createParticleSystemsWriters(Object *ob, AbcTransformWriter *xform) -{ - if (!m_settings.export_hair && !m_settings.export_particles) { - return; - } - - ParticleSystem *psys = static_cast<ParticleSystem *>(ob->particlesystem.first); - - for (; psys; psys = psys->next) { - if (!psys_check_enabled(ob, psys, G.is_rendering) || !psys->part) { - continue; - } - - if (m_settings.export_hair && psys->part->type == PART_HAIR) { - m_settings.export_child_hairs = true; - m_shapes.push_back(new AbcHairWriter(ob, xform, m_shape_sampling_index, m_settings, psys)); - } - else if (m_settings.export_particles && - (psys->part->type == PART_EMITTER || psys->part->type == PART_FLUID_FLIP || - psys->part->type == PART_FLUID_SPRAY || psys->part->type == PART_FLUID_BUBBLE || - psys->part->type == PART_FLUID_FOAM || psys->part->type == PART_FLUID_TRACER || - psys->part->type == PART_FLUID_SPRAYFOAM || - psys->part->type == PART_FLUID_SPRAYBUBBLE || - psys->part->type == PART_FLUID_FOAMBUBBLE || - psys->part->type == PART_FLUID_SPRAYFOAMBUBBLE)) { - m_shapes.push_back(new AbcPointsWriter(ob, xform, m_shape_sampling_index, m_settings, psys)); - } - } -} - -void AbcExporter::createShapeWriter(Object *ob, Object *dupliObParent) -{ - if (!object_type_is_exportable(m_settings.scene, ob)) { - return; - } - - std::string name; - - if (m_settings.flatten_hierarchy) { - name = get_id_name(ob); - } - else { - name = get_object_dag_path_name(ob, dupliObParent); - } - - AbcTransformWriter *xform = getXForm(name); - - if (!xform) { - ABC_LOG(m_settings.logger) << __func__ << ": xform " << name << " is NULL\n"; - return; - } - - createParticleSystemsWriters(ob, xform); - - switch (ob->type) { - case OB_MESH: { - Mesh *me = static_cast<Mesh *>(ob->data); - - if (!me) { - return; - } - - m_shapes.push_back(new AbcMeshWriter(ob, xform, m_shape_sampling_index, m_settings)); - break; - } - case OB_SURF: { - Curve *cu = static_cast<Curve *>(ob->data); - - if (!cu) { - return; - } - - AbcObjectWriter *writer; - if (m_settings.curves_as_mesh) { - writer = new AbcCurveMeshWriter(ob, xform, m_shape_sampling_index, m_settings); - } - else { - writer = new AbcNurbsWriter(ob, xform, m_shape_sampling_index, m_settings); - } - m_shapes.push_back(writer); - break; - } - case OB_CURVE: { - Curve *cu = static_cast<Curve *>(ob->data); - - if (!cu) { - return; - } - - AbcObjectWriter *writer; - if (m_settings.curves_as_mesh) { - writer = new AbcCurveMeshWriter(ob, xform, m_shape_sampling_index, m_settings); - } - else { - writer = new AbcCurveWriter(ob, xform, m_shape_sampling_index, m_settings); - } - m_shapes.push_back(writer); - break; - } - case OB_CAMERA: { - Camera *cam = static_cast<Camera *>(ob->data); - - if (cam->type == CAM_PERSP) { - m_shapes.push_back(new AbcCameraWriter(ob, xform, m_shape_sampling_index, m_settings)); - } - - break; - } - case OB_MBALL: { - MetaBall *mball = static_cast<MetaBall *>(ob->data); - if (!mball) { - return; - } - - m_shapes.push_back( - new AbcMBallWriter(m_bmain, ob, xform, m_shape_sampling_index, m_settings)); - break; - } - } -} - -AbcTransformWriter *AbcExporter::getXForm(const std::string &name) -{ - std::map<std::string, AbcTransformWriter *>::iterator it = m_xforms.find(name); - - if (it == m_xforms.end()) { - return NULL; - } - - return it->second; -} - -void AbcExporter::setCurrentFrame(Main *bmain, double t) -{ - m_settings.scene->r.cfra = static_cast<int>(t); - m_settings.scene->r.subframe = static_cast<float>(t) - m_settings.scene->r.cfra; - BKE_scene_graph_update_for_newframe(m_settings.depsgraph, bmain); -} |