DocData and type hints fixes

- Makes vararg methods automatically use PROPERTY_USAGE_NIL_IS_VARIANT on return types
- Completely removes the ":type" suffix for method names. Virtual methods must use the MethodInfo constructors that takes Variant::Type or PropertyHint as the first parameter for the return type (with CLASS_INFO as a helper to get the PropertyInfo). Parameters must use PROPERTY_HINT_RESOURCE_TYPE and hint string.
- PROPERTY_USAGE_NIL_IS_VARIANT is no longer needed for parameters, because parameters cannot be void.
- Adds missing PROPERTY_USAGE_NIL_IS_VARIANT to virtual and built-in methods that return Variant.

1 files changed, 7 insertions, 3 deletions

diff --git a/editor/spatial_editor_gizmos.cpp b/editor/spatial_editor_gizmos.cpp
index fb5143b48..48c359b02 100644
--- a/editor/spatial_editor_gizmos.cpp
+++ b/editor/spatial_editor_gizmos.cpp
@@ -623,9 +623,13 @@ void EditorSpatialGizmo::_bind_methods() {
 
 	BIND_VMETHOD(MethodInfo("redraw"));
 	BIND_VMETHOD(MethodInfo(Variant::STRING, "get_handle_name", PropertyInfo(Variant::INT, "index")));
-	BIND_VMETHOD(MethodInfo("get_handle_value:Variant", PropertyInfo(Variant::INT, "index")));
-	BIND_VMETHOD(MethodInfo("set_handle", PropertyInfo(Variant::INT, "index"), PropertyInfo(Variant::OBJECT, "camera:Camera"), PropertyInfo(Variant::VECTOR2, "point")));
-	MethodInfo cm = MethodInfo("commit_handle", PropertyInfo(Variant::INT, "index"), PropertyInfo(Variant::NIL, "restore:Variant"), PropertyInfo(Variant::BOOL, "cancel"));
+
+	MethodInfo hvget(Variant::NIL, "get_handle_value", PropertyInfo(Variant::INT, "index"));
+	hvget.return_val.usage |= PROPERTY_USAGE_NIL_IS_VARIANT;
+	BIND_VMETHOD(hvget);
+
+	BIND_VMETHOD(MethodInfo("set_handle", PropertyInfo(Variant::INT, "index"), PropertyInfo(Variant::OBJECT, "camera", PROPERTY_HINT_RESOURCE_TYPE, "Camera"), PropertyInfo(Variant::VECTOR2, "point")));
+	MethodInfo cm = MethodInfo("commit_handle", PropertyInfo(Variant::INT, "index"), PropertyInfo(Variant::NIL, "restore"), PropertyInfo(Variant::BOOL, "cancel"));
 	cm.default_arguments.push_back(false);
 	BIND_VMETHOD(cm);
 }