Campbell Barton
c5a0ce1ade
- BKE_lattice_deform_data_create was init_latt_deform. - BKE_lattice_deform_data_destroy was end_latt_deform. - BKE_lattice_deform_data_eval_co was calc_latt_deform.
122 lines
3.4 KiB
C++
122 lines
3.4 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2016 Kévin Dietrich.
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* All rights reserved.
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*/
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/** \file
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* \ingroup balembic
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*/
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#include "abc_writer_points.h"
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#include "abc_util.h"
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#include "abc_writer_mesh.h"
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#include "abc_writer_transform.h"
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#include "DNA_object_types.h"
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#include "DNA_particle_types.h"
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#include "BKE_lattice.h"
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#include "BKE_particle.h"
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#include "BLI_math.h"
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#include "DEG_depsgraph_query.h"
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using Alembic::AbcGeom::kVertexScope;
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using Alembic::AbcGeom::OPoints;
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using Alembic::AbcGeom::OPointsSchema;
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/* ************************************************************************** */
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AbcPointsWriter::AbcPointsWriter(Object *ob,
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AbcTransformWriter *parent,
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uint32_t time_sampling,
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ExportSettings &settings,
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ParticleSystem *psys)
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: AbcObjectWriter(ob, time_sampling, settings, parent)
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{
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m_psys = psys;
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OPoints points(parent->alembicXform(), psys->name, m_time_sampling);
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m_schema = points.getSchema();
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}
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void AbcPointsWriter::do_write()
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{
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if (!m_psys) {
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return;
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}
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std::vector<Imath::V3f> points;
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std::vector<Imath::V3f> velocities;
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std::vector<float> widths;
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std::vector<uint64_t> ids;
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ParticleKey state;
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ParticleSimulationData sim;
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sim.depsgraph = m_settings.depsgraph;
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sim.scene = m_settings.scene;
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sim.ob = m_object;
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sim.psys = m_psys;
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m_psys->lattice_deform_data = psys_create_lattice_deform_data(&sim);
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uint64_t index = 0;
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for (int p = 0; p < m_psys->totpart; p++) {
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float pos[3], vel[3];
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if (m_psys->particles[p].flag & (PARS_NO_DISP | PARS_UNEXIST)) {
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continue;
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}
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state.time = DEG_get_ctime(m_settings.depsgraph);
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if (psys_get_particle_state(&sim, p, &state, 0) == 0) {
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continue;
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}
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/* location */
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mul_v3_m4v3(pos, m_object->imat, state.co);
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/* velocity */
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sub_v3_v3v3(vel, state.co, m_psys->particles[p].prev_state.co);
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/* Convert Z-up to Y-up. */
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points.push_back(Imath::V3f(pos[0], pos[2], -pos[1]));
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velocities.push_back(Imath::V3f(vel[0], vel[2], -vel[1]));
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widths.push_back(m_psys->particles[p].size);
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ids.push_back(index++);
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}
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if (m_psys->lattice_deform_data) {
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BKE_lattice_deform_data_destroy(m_psys->lattice_deform_data);
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m_psys->lattice_deform_data = NULL;
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}
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Alembic::Abc::P3fArraySample psample(points);
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Alembic::Abc::UInt64ArraySample idsample(ids);
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Alembic::Abc::V3fArraySample vsample(velocities);
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Alembic::Abc::FloatArraySample wsample_array(widths);
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Alembic::AbcGeom::OFloatGeomParam::Sample wsample(wsample_array, kVertexScope);
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m_sample = OPointsSchema::Sample(psample, idsample, vsample, wsample);
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m_sample.setSelfBounds(bounds());
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m_schema.set(m_sample);
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}
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