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Added a new templated WeakRef (WRef) class.

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Relintai 2022-08-04 14:31:00 +02:00
parent 9a56f6b6ad
commit 9e4ac41f4a
1 changed files with 103 additions and 0 deletions
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103
core/reference.h
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@ -290,6 +290,109 @@ public:
WeakRef();
};
template <class T>
class WRef {
public:
_FORCE_INLINE_ bool operator==(const T *p_ptr) const {
ObjectID oref;
if (p_ptr) {
oref = p_ptr->get_instance_id();
}
return ref == oref;
}
_FORCE_INLINE_ bool operator!=(const T *p_ptr) const {
ObjectID oref;
if (p_ptr) {
oref = p_ptr->get_instance_id();
}
return ref != oref;
}
_FORCE_INLINE_ bool operator==(const Ref<T> &p_r) const {
ObjectID oref;
if (p_r.is_valid()) {
oref = p_r->get_instance_id();
}
return ref == oref;
}
_FORCE_INLINE_ bool operator!=(const Ref<T> &p_r) const {
ObjectID oref;
if (p_r.is_valid()) {
oref = p_r->get_instance_id();
}
return ref != oref;
}
_FORCE_INLINE_ bool operator<(const WRef<T> &p_r) const {
return ref < p_r.ref;
}
_FORCE_INLINE_ bool operator==(const WRef<T> &p_r) const {
return ref == p_r.ref;
}
_FORCE_INLINE_ bool operator!=(const WRef<T> &p_r) const {
return ref != p_r.ref;
}
_FORCE_INLINE_ Ref<T> get_ref() const {
if (ref == 0) {
return Ref<T>();
}
Object *obj = ObjectDB::get_instance(ref);
if (!obj) {
return Ref<T>();
}
Reference *r = Object::cast_to<Reference>(obj);
if (r) {
return Ref<T>(r);
}
return Ref<T>();
}
_FORCE_INLINE_ void set_obj(T *p_object) {
ref = p_object ? p_object->get_instance_id() : 0;
}
_FORCE_INLINE_ void set_ref(const Ref<T> &p_ref) {
ref = p_ref.is_valid() ? p_ref->get_instance_id() : 0;
}
void operator=(const WRef<T> &p_from) {
ref = p_from.ref;
}
WRef(const WRef<T> &p_from) {
ref = p_from.ref;
}
WRef(T *p_reference) {
set_obj(p_reference);
}
WRef(const Ref<T> &p_reference) {
set_ref(p_reference);
}
WRef() {
}
protected:
static void _bind_methods();
ObjectID ref;
};
#ifdef PTRCALL_ENABLED
template <class T>