1 files changed, 80 insertions, 0 deletions
diff --git a/source/blender/io/usd/intern/usd_reader_prim.cc b/source/blender/io/usd/intern/usd_reader_prim.cc
new file mode 100644
index 00000000000..abd70f49f23
--- /dev/null
+++ b/source/blender/io/usd/intern/usd_reader_prim.cc
@@ -0,0 +1,80 @@
+/*
+ * 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.
+ *
+ * Adapted from the Blender Alembic importer implementation.
+ *
+ * Modifications Copyright (C) 2021 Tangent Animation.
+ * All rights reserved.
+ */
+
+#include "usd_reader_prim.h"
+
+#include "BLI_utildefines.h"
+
+namespace blender::io::usd {
+
+USDPrimReader::USDPrimReader(const pxr::UsdPrim &prim,
+                             const USDImportParams &import_params,
+                             const ImportSettings &settings)
+    : name_(prim.GetName().GetString()),
+      prim_path_(prim.GetPrimPath().GetString()),
+      object_(nullptr),
+      prim_(prim),
+      import_params_(import_params),
+      parent_reader_(nullptr),
+      settings_(&settings),
+      refcount_(0)
+{
+}
+
+USDPrimReader::~USDPrimReader() = default;
+
+const pxr::UsdPrim &USDPrimReader::prim() const
+{
+  return prim_;
+}
+
+Object *USDPrimReader::object() const
+{
+  return object_;
+}
+
+void USDPrimReader::object(Object *ob)
+{
+  object_ = ob;
+}
+
+bool USDPrimReader::valid() const
+{
+  return prim_.IsValid();
+}
+
+int USDPrimReader::refcount() const
+{
+  return refcount_;
+}
+
+void USDPrimReader::incref()
+{
+  refcount_++;
+}
+
+void USDPrimReader::decref()
+{
+  refcount_--;
+  BLI_assert(refcount_ >= 0);
+}
+
+}  // namespace blender::io::usd