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Merge pull request #1590 from dsnopek/reload-instance-bindings 

Correctly set instance bindings on reload
master
David Snopek 2024-10-17 16:05:02 +02:00 committed by GitHub
parent 96675a814b cb543c192a
commit a98d41f62b
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GPG Key ID: B5690EEEBB952194
3 changed files with 16 additions and 29 deletions
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13
include/godot_cpp/classes/wrapped.hpp
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@ -61,6 +61,10 @@ class Wrapped {
thread_local static const StringName *_constructing_extension_class_name; thread_local static const StringName *_constructing_extension_class_name;
thread_local static const GDExtensionInstanceBindingCallbacks *_constructing_class_binding_callbacks; thread_local static const GDExtensionInstanceBindingCallbacks *_constructing_class_binding_callbacks;
#ifdef HOT_RELOAD_ENABLED
thread_local static GDExtensionObjectPtr _constructing_recreate_owner;
#endif
template <typename T> template <typename T>
_ALWAYS_INLINE_ static void _set_construct_info() { _ALWAYS_INLINE_ static void _set_construct_info() {
_constructing_extension_class_name = T::_get_extension_class_name(); _constructing_extension_class_name = T::_get_extension_class_name();
@ -71,15 +75,6 @@ protected:
virtual bool _is_extension_class() const { return false; } virtual bool _is_extension_class() const { return false; }
static const StringName *_get_extension_class_name(); // This is needed to retrieve the class name before the godot object has its _extension and _extension_instance members assigned. static const StringName *_get_extension_class_name(); // This is needed to retrieve the class name before the godot object has its _extension and _extension_instance members assigned.
#ifdef HOT_RELOAD_ENABLED
struct RecreateInstance {
GDExtensionClassInstancePtr wrapper;
GDExtensionObjectPtr owner;
RecreateInstance *next;
};
inline static RecreateInstance *recreate_instance = nullptr;
#endif
void _notification(int p_what) {} void _notification(int p_what) {}
bool _set(const StringName &p_name, const Variant &p_property) { return false; } bool _set(const StringName &p_name, const Variant &p_property) { return false; }
bool _get(const StringName &p_name, Variant &r_property) const { return false; } bool _get(const StringName &p_name, Variant &r_property) const { return false; }

3
include/godot_cpp/core/class_db.hpp
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@ -129,9 +129,8 @@ private:
static GDExtensionClassInstancePtr _recreate_instance_func(void *data, GDExtensionObjectPtr obj) { static GDExtensionClassInstancePtr _recreate_instance_func(void *data, GDExtensionObjectPtr obj) {
if constexpr (!std::is_abstract_v<T>) { if constexpr (!std::is_abstract_v<T>) {
#ifdef HOT_RELOAD_ENABLED #ifdef HOT_RELOAD_ENABLED
Wrapped::_constructing_recreate_owner = obj;
T *new_instance = (T *)memalloc(sizeof(T)); T *new_instance = (T *)memalloc(sizeof(T));
Wrapped::RecreateInstance recreate_data = { new_instance, obj, Wrapped::recreate_instance };
Wrapped::recreate_instance = &recreate_data;
memnew_placement(new_instance, T); memnew_placement(new_instance, T);
return new_instance; return new_instance;
#else #else

29
src/classes/wrapped.cpp
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@ -42,6 +42,10 @@ namespace godot {
thread_local const StringName *Wrapped::_constructing_extension_class_name = nullptr; thread_local const StringName *Wrapped::_constructing_extension_class_name = nullptr;
thread_local const GDExtensionInstanceBindingCallbacks *Wrapped::_constructing_class_binding_callbacks = nullptr; thread_local const GDExtensionInstanceBindingCallbacks *Wrapped::_constructing_class_binding_callbacks = nullptr;
#ifdef HOT_RELOAD_ENABLED
thread_local GDExtensionObjectPtr Wrapped::_constructing_recreate_owner = nullptr;
#endif
const StringName *Wrapped::_get_extension_class_name() { const StringName *Wrapped::_get_extension_class_name() {
return nullptr; return nullptr;
} }
@ -55,25 +59,14 @@ void Wrapped::_postinitialize() {
Wrapped::Wrapped(const StringName p_godot_class) { Wrapped::Wrapped(const StringName p_godot_class) {
#ifdef HOT_RELOAD_ENABLED #ifdef HOT_RELOAD_ENABLED
if (unlikely(Wrapped::recreate_instance)) { if (unlikely(Wrapped::_constructing_recreate_owner)) {
RecreateInstance *recreate_data = Wrapped::recreate_instance; _owner = Wrapped::_constructing_recreate_owner;
RecreateInstance *previous = nullptr; Wrapped::_constructing_recreate_owner = nullptr;
while (recreate_data) { } else
if (recreate_data->wrapper == this) {
_owner = recreate_data->owner;
if (previous) {
previous->next = recreate_data->next;
} else {
Wrapped::recreate_instance = recreate_data->next;
}
return;
}
previous = recreate_data;
recreate_data = recreate_data->next;
}
}
#endif #endif
_owner = godot::internal::gdextension_interface_classdb_construct_object(reinterpret_cast<GDExtensionConstStringNamePtr>(p_godot_class._native_ptr())); {
_owner = godot::internal::gdextension_interface_classdb_construct_object(reinterpret_cast<GDExtensionConstStringNamePtr>(p_godot_class._native_ptr()));
}
if (_constructing_extension_class_name) { if (_constructing_extension_class_name) {
godot::internal::gdextension_interface_object_set_instance(_owner, reinterpret_cast<GDExtensionConstStringNamePtr>(_constructing_extension_class_name), this); godot::internal::gdextension_interface_object_set_instance(_owner, reinterpret_cast<GDExtensionConstStringNamePtr>(_constructing_extension_class_name), this);