diff options
Diffstat (limited to 'core/config/engine.cpp')
| -rw-r--r-- | core/config/engine.cpp | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/core/config/engine.cpp b/core/config/engine.cpp index b0037ffb37..2360d66438 100644 --- a/core/config/engine.cpp +++ b/core/config/engine.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -219,3 +219,14 @@ Engine *Engine::get_singleton() { Engine::Engine() { singleton = this; } + +Engine::Singleton::Singleton(const StringName &p_name, Object *p_ptr) : + name(p_name), + ptr(p_ptr) { +#ifdef DEBUG_ENABLED + Reference *ref = Object::cast_to<Reference>(p_ptr); + if (ref && !ref->is_referenced()) { + WARN_PRINT("You must use Ref<> to ensure the lifetime of a Reference object intended to be used as a singleton."); + } +#endif +} |