From eb522af4fec58876ac1b0a73ad9bcdae2d82d33f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sybren=20A=2E=20St=C3=BCvel?= <sybren@blender.org>
Date: Fri, 6 Mar 2020 16:19:35 +0100
Subject: Cleanup: move Alembic, AVI, Collada, and USD to `source/blender/io`

This moves the `alembic`, `avi`, `collada`, and `usd` modules into a common
`io` directory.

This also cleans up some `#include "../../{somedir}/{somefile}.h"` by
adding `../../io/{somedir}` to `CMakeLists.txt` and then just using
`#include "{somefile}.h"`.

No functional changes.
---
 .../io/alembic/intern/abc_reader_transform.cc      | 76 ++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 source/blender/io/alembic/intern/abc_reader_transform.cc

(limited to 'source/blender/io/alembic/intern/abc_reader_transform.cc')

diff --git a/source/blender/io/alembic/intern/abc_reader_transform.cc b/source/blender/io/alembic/intern/abc_reader_transform.cc
new file mode 100644
index 00000000000..ce569a9ccb5
--- /dev/null
+++ b/source/blender/io/alembic/intern/abc_reader_transform.cc
@@ -0,0 +1,76 @@
+/*
+ * 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.
+ */
+
+/** \file
+ * \ingroup balembic
+ */
+
+#include "abc_reader_transform.h"
+#include "abc_util.h"
+
+extern "C" {
+#include "DNA_object_types.h"
+
+#include "BLI_utildefines.h"
+
+#include "BKE_object.h"
+}
+
+using Alembic::Abc::ISampleSelector;
+
+AbcEmptyReader::AbcEmptyReader(const Alembic::Abc::IObject &object, ImportSettings &settings)
+    : AbcObjectReader(object, settings)
+{
+  /* Empties have no data. It makes the import of Alembic files easier to
+   * understand when we name the empty after its name in Alembic. */
+  m_object_name = object.getName();
+
+  Alembic::AbcGeom::IXform xform(object, Alembic::AbcGeom::kWrapExisting);
+  m_schema = xform.getSchema();
+
+  get_min_max_time(m_iobject, m_schema, m_min_time, m_max_time);
+}
+
+bool AbcEmptyReader::valid() const
+{
+  return m_schema.valid();
+}
+
+bool AbcEmptyReader::accepts_object_type(
+    const Alembic::AbcCoreAbstract::ObjectHeader &alembic_header,
+    const Object *const ob,
+    const char **err_str) const
+{
+  if (!Alembic::AbcGeom::IXform::matches(alembic_header)) {
+    *err_str =
+        "Object type mismatch, Alembic object path pointed to XForm when importing, but not any "
+        "more.";
+    return false;
+  }
+
+  if (ob->type != OB_EMPTY) {
+    *err_str = "Object type mismatch, Alembic object path points to XForm.";
+    return false;
+  }
+
+  return true;
+}
+
+void AbcEmptyReader::readObjectData(Main *bmain, const ISampleSelector &UNUSED(sample_sel))
+{
+  m_object = BKE_object_add_only_object(bmain, OB_EMPTY, m_object_name.c_str());
+  m_object->data = NULL;
+}
-- 
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