From df1dfbec36446ea89eb3f8fdfd055256969b3f86 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Fri, 16 Apr 2021 15:47:26 +0200
Subject: [PATCH] Add support for object reference wrappers usage in hash maps
 and dictionaries

(cherry picked from commit eab3631c334ce31038ee6eea8d72cea52635bb00)
---
 Source/Engine/Content/AssetReference.h             | 6 ++++++
 Source/Engine/Content/WeakAssetReference.h         | 6 ++++++
 Source/Engine/Scripting/ScriptingObjectReference.h | 6 ++++++
 Source/Engine/Scripting/SoftObjectReference.h      | 6 ++++++
 4 files changed, 24 insertions(+)

diff --git a/Source/Engine/Content/AssetReference.h b/Source/Engine/Content/AssetReference.h
index 40f57337d..0956e82be 100644
--- a/Source/Engine/Content/AssetReference.h
+++ b/Source/Engine/Content/AssetReference.h
@@ -274,3 +274,9 @@ public:
         OnSet(asset);
     }
 };
+
+template<typename T>
+uint32 GetHash(const AssetReference<T>& key)
+{
+    return GetHash(key.GetID());
+}
diff --git a/Source/Engine/Content/WeakAssetReference.h b/Source/Engine/Content/WeakAssetReference.h
index 4943fd0b5..49401bf25 100644
--- a/Source/Engine/Content/WeakAssetReference.h
+++ b/Source/Engine/Content/WeakAssetReference.h
@@ -229,3 +229,9 @@ public:
         OnSet(asset);
     }
 };
+
+template<typename T>
+uint32 GetHash(const WeakAssetReference<T>& key)
+{
+    return GetHash(key.GetID());
+}
diff --git a/Source/Engine/Scripting/ScriptingObjectReference.h b/Source/Engine/Scripting/ScriptingObjectReference.h
index eeed0dcc4..fd132d308 100644
--- a/Source/Engine/Scripting/ScriptingObjectReference.h
+++ b/Source/Engine/Scripting/ScriptingObjectReference.h
@@ -318,3 +318,9 @@ public:
         OnSet(object);
     }
 };
+
+template<typename T>
+uint32 GetHash(const ScriptingObjectReference<T>& key)
+{
+    return GetHash(key.GetID());
+}
diff --git a/Source/Engine/Scripting/SoftObjectReference.h b/Source/Engine/Scripting/SoftObjectReference.h
index b6f08db4a..e03ee81d0 100644
--- a/Source/Engine/Scripting/SoftObjectReference.h
+++ b/Source/Engine/Scripting/SoftObjectReference.h
@@ -326,3 +326,9 @@ public:
         OnSet(object);
     }
 };
+
+template<typename T>
+uint32 GetHash(const SoftObjectReference<T>& key)
+{
+    return GetHash(key.GetID());
+}