1 files changed, 68 insertions, 0 deletions
diff --git a/source/blender/io/alembic/exporter/abc_writer_hair.h b/source/blender/io/alembic/exporter/abc_writer_hair.h
new file mode 100644
index 00000000000..af1372a08f3
--- /dev/null
+++ b/source/blender/io/alembic/exporter/abc_writer_hair.h
@@ -0,0 +1,68 @@
+/*
+ * 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.
+ */
+#pragma once
+
+/** \file
+ * \ingroup balembic
+ */
+
+#include "abc_writer_abstract.h"
+#include <Alembic/AbcGeom/OCurves.h>
+#include <vector>
+
+struct ParticleSettings;
+struct ParticleSystem;
+
+namespace blender {
+namespace io {
+namespace alembic {
+
+class ABCHairWriter : public ABCAbstractWriter {
+ private:
+  Alembic::AbcGeom::OCurves abc_curves_;
+  Alembic::AbcGeom::OCurvesSchema abc_curves_schema_;
+
+  bool uv_warning_shown_;
+
+ public:
+  explicit ABCHairWriter(const ABCWriterConstructorArgs &args);
+
+  virtual void create_alembic_objects(const HierarchyContext *context) override;
+  virtual const Alembic::Abc::OObject get_alembic_object() const override;
+
+ protected:
+  virtual void do_write(HierarchyContext &context) override;
+  virtual bool check_is_animated(const HierarchyContext &context) const override;
+
+ private:
+  void write_hair_sample(const HierarchyContext &context,
+                         struct Mesh *mesh,
+                         std::vector<Imath::V3f> &verts,
+                         std::vector<Imath::V3f> &norm_values,
+                         std::vector<Imath::V2f> &uv_values,
+                         std::vector<int32_t> &hvertices);
+
+  void write_hair_child_sample(const HierarchyContext &context,
+                               struct Mesh *mesh,
+                               std::vector<Imath::V3f> &verts,
+                               std::vector<Imath::V3f> &norm_values,
+                               std::vector<Imath::V2f> &uv_values,
+                               std::vector<int32_t> &hvertices);
+};
+
+}  // namespace alembic
+}  // namespace io
+}  // namespace blender