1 files changed, 46 insertions, 0 deletions
diff --git a/source/blender/editors/asset/intern/asset_library_reference.cc b/source/blender/editors/asset/intern/asset_library_reference.cc
new file mode 100644
index 00000000000..246f304dc20
--- /dev/null
+++ b/source/blender/editors/asset/intern/asset_library_reference.cc
@@ -0,0 +1,46 @@
+/*
+ * 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 "BLI_hash.hh"
+
+#include "asset_library_reference.hh"
+
+namespace blender::ed::asset {
+
+AssetLibraryReferenceWrapper::AssetLibraryReferenceWrapper(const AssetLibraryReference &reference)
+    : AssetLibraryReference(reference)
+{
+}
+
+bool operator==(const AssetLibraryReferenceWrapper &a, const AssetLibraryReferenceWrapper &b)
+{
+  return (a.type == b.type) && (a.type == ASSET_LIBRARY_CUSTOM) ?
+             (a.custom_library_index == b.custom_library_index) :
+             true;
+}
+
+uint64_t AssetLibraryReferenceWrapper::hash() const
+{
+  uint64_t hash1 = DefaultHash<decltype(type)>{}(type);
+  if (type != ASSET_LIBRARY_CUSTOM) {
+    return hash1;
+  }
+
+  uint64_t hash2 = DefaultHash<decltype(custom_library_index)>{}(custom_library_index);
+  return hash1 ^ (hash2 * 33); /* Copied from DefaultHash for std::pair. */
+}
+
+}  // namespace blender::ed::asset