From b41a7935925a1f861f6230f8af5d91ef02c5c2d5 Mon Sep 17 00:00:00 2001
From: Ignacio Etcheverry <ignalfonsore@gmail.com>
Date: Thu, 14 Feb 2019 22:54:10 +0100
Subject: [PATCH] Fix Godot.Reference marshalling from MonoObject* to Variant

Need to cast Ref<T> to Variant instead of constructing Variant from Object*, otherwise the Variant won't hold a reference.
---
 modules/mono/mono_gd/gd_mono_marshal.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/modules/mono/mono_gd/gd_mono_marshal.cpp b/modules/mono/mono_gd/gd_mono_marshal.cpp
index 74395de41ce..18a49d0d1fc 100644
--- a/modules/mono/mono_gd/gd_mono_marshal.cpp
+++ b/modules/mono/mono_gd/gd_mono_marshal.cpp
@@ -698,7 +698,11 @@ Variant mono_object_to_variant(MonoObject *p_obj) {
 			// GodotObject
 			if (CACHED_CLASS(GodotObject)->is_assignable_from(type_class)) {
 				Object *ptr = unbox<Object *>(CACHED_FIELD(GodotObject, ptr)->get_value(p_obj));
-				return ptr ? Variant(ptr) : Variant();
+				if (ptr != NULL) {
+					Reference *ref = Object::cast_to<Reference>(ptr);
+					return ref ? Variant(Ref<Reference>(ref)) : Variant(ptr);
+				}
+				return Variant();
 			}
 
 			if (CACHED_CLASS(NodePath) == type_class) {