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Make warning about Reference singletons more accurate

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This commit is contained in:
Pedro J. Estébanez 2020-11-23 10:42:44 +01:00
parent a248e6f8c3
commit e79162ec4e
1 changed files with 3 additions and 2 deletions
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5
core/config/engine.cpp
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@ -224,8 +224,9 @@ Engine::Singleton::Singleton(const StringName &p_name, Object *p_ptr) :
name(p_name),
ptr(p_ptr) {
#ifdef DEBUG_ENABLED
if (Object::cast_to<Reference>(p_ptr)) {
ERR_PRINT("A class intended to be used as a singleton must *not* inherit from Reference.");
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
}