C#: Add 'Singleton' property to singleton wrapper class

This property returns an instance of the singleton.
The purpose of this is to allow using methods from the base class like 'Connect'.
Since all Godot singletons inherit Object, the type of the returned instance is Godot.Object.

1 files changed, 5 insertions, 0 deletions

diff --git a/modules/mono/mono_gd/gd_mono_utils.cpp b/modules/mono/mono_gd/gd_mono_utils.cpp
index 3b97339fea..6cc1c8afc2 100644
--- a/modules/mono/mono_gd/gd_mono_utils.cpp
+++ b/modules/mono/mono_gd/gd_mono_utils.cpp
@@ -374,6 +374,11 @@ GDMonoClass *type_get_proxy_class(const StringName &p_type) {
 
 	GDMonoClass *klass = GDMono::get_singleton()->get_core_api_assembly()->get_class(BINDINGS_NAMESPACE, class_name);
 
+	if (klass && klass->is_static()) {
+		// A static class means this is a Godot singleton class. If an instance is needed we use Godot.Object.
+		return mono_cache.class_GodotObject;
+	}
+
 #ifdef TOOLS_ENABLED
 	if (!klass) {
 		return GDMono::get_singleton()->get_editor_api_assembly()->get_class(BINDINGS_NAMESPACE, class_name);