1 files changed, 118 insertions, 0 deletions
diff --git a/intern/openvdb/intern/openvdb_writer.cc b/intern/openvdb/intern/openvdb_writer.cc
new file mode 100644
index 00000000000..923752909d9
--- /dev/null
+++ b/intern/openvdb/intern/openvdb_writer.cc
@@ -0,0 +1,118 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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.
+ *
+ * Contributor(s): Kevin Dietrich
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#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)
+{
+	m_grids->push_back(grid.copyGrid());
+}
+
+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';
+	}
+}