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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.
*
* The Original Code is Copyright (C) 2015 Blender Foundation.
* All rights reserved.
*/
#include "openvdb_writer.h"
#include "openvdb_util.h"
OpenVDBWriter::OpenVDBWriter()
: m_grids(new openvdb::GridPtrVec()), m_meta_map(new openvdb::MetaMap()), m_save_as_half(false)
{
m_meta_map->insertMeta("creator", openvdb::StringMetadata("Blender/Smoke"));
}
OpenVDBWriter::~OpenVDBWriter()
{
}
void OpenVDBWriter::insert(const openvdb::GridBase::Ptr &grid)
{
grid->setSaveFloatAsHalf(m_save_as_half);
m_grids->push_back(grid);
}
void OpenVDBWriter::insert(const openvdb::GridBase &grid)
{
#if (OPENVDB_LIBRARY_MAJOR_VERSION_NUMBER <= 3) || defined(OPENVDB_3_ABI_COMPATIBLE)
m_grids->push_back(grid.copyGrid());
#else
m_grids->push_back(grid.copyGridWithNewTree());
#endif
}
void OpenVDBWriter::insertFloatMeta(const openvdb::Name &name, const float value)
{
try {
m_meta_map->insertMeta(name, openvdb::FloatMetadata(value));
}
CATCH_KEYERROR;
}
void OpenVDBWriter::insertIntMeta(const openvdb::Name &name, const int value)
{
try {
m_meta_map->insertMeta(name, openvdb::Int32Metadata(value));
}
CATCH_KEYERROR;
}
void OpenVDBWriter::insertVec3sMeta(const openvdb::Name &name, const openvdb::Vec3s &value)
{
try {
m_meta_map->insertMeta(name, openvdb::Vec3SMetadata(value));
}
CATCH_KEYERROR;
}
void OpenVDBWriter::insertVec3IMeta(const openvdb::Name &name, const openvdb::Vec3I &value)
{
try {
m_meta_map->insertMeta(name, openvdb::Vec3IMetadata(value));
}
CATCH_KEYERROR;
}
void OpenVDBWriter::insertMat4sMeta(const openvdb::Name &name, const float value[4][4])
{
openvdb::Mat4s mat = openvdb::Mat4s(value[0][0],
value[0][1],
value[0][2],
value[0][3],
value[1][0],
value[1][1],
value[1][2],
value[1][3],
value[2][0],
value[2][1],
value[2][2],
value[2][3],
value[3][0],
value[3][1],
value[3][2],
value[3][3]);
try {
m_meta_map->insertMeta(name, openvdb::Mat4SMetadata(mat));
}
CATCH_KEYERROR;
}
void OpenVDBWriter::setFlags(const int compression, const bool save_as_half)
{
m_compression_flags = compression;
m_save_as_half = save_as_half;
}
void OpenVDBWriter::write(const openvdb::Name &filename) const
{
try {
openvdb::io::File file(filename);
file.setCompression(m_compression_flags);
file.write(*m_grids, *m_meta_map);
file.close();
/* Should perhaps be an option at some point */
m_grids->clear();
}
/* Mostly to catch exceptions related to Blosc not being supported. */
catch (const openvdb::IoError &e) {
std::cerr << e.what() << '\n';
}
}
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