1 files changed, 52 insertions, 0 deletions
diff --git a/source/blender/pointcache/alembic/abc_frame_mapper.cpp b/source/blender/pointcache/alembic/abc_frame_mapper.cpp
new file mode 100644
index 00000000000..ba5ded10b6e
--- /dev/null
+++ b/source/blender/pointcache/alembic/abc_frame_mapper.cpp
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2013, Blender Foundation.
+ *
+ * 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.
+ */
+
+#include "abc_frame_mapper.h"
+
+extern "C" {
+#include "DNA_scene_types.h"
+}
+
+namespace PTC {
+
+#ifdef WITH_ALEMBIC
+
+using namespace Abc;
+using namespace AbcCoreAbstract;
+
+FrameMapper::FrameMapper(double fps, float start_frame)
+{
+	m_frames_per_sec = fps;
+	m_sec_per_frame = (fps == 0.0 ? 0.0 : 1.0 / fps);
+	m_start_frame = start_frame;
+	m_start_time = start_frame * m_sec_per_frame;
+}
+
+chrono_t FrameMapper::frame_to_time(float frame) const
+{
+	return (double)frame * m_sec_per_frame;
+}
+
+float FrameMapper::time_to_frame(chrono_t time) const
+{
+	return (float)(time * m_frames_per_sec);
+}
+
+#endif /* WITH_ALEMBIC */
+
+} /* namespace PTC */