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Add a instance callback for extensions

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This sends the Godot object instance back to the extension so they can
keep a pointer for function calls.

Incidentally fix argument order on instance bindings callback for free()
This commit is contained in:
George Marques 2021-07-29 10:19:28 -03:00
parent 4205d907c9
commit 626c0b6905
No known key found for this signature in database
GPG key ID: 046BD46A3201E43D
4 changed files with 8 additions and 5 deletions
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6
core/object/class_db.cpp
View file

@ -505,11 +505,12 @@ thread_local bool initializing_with_extension = false;
thread_local ObjectNativeExtension *initializing_extension = nullptr;
thread_local GDExtensionClassInstancePtr initializing_extension_instance = nullptr;
void ClassDB::instance_get_native_extension_data(ObjectNativeExtension **r_extension, GDExtensionClassInstancePtr *r_extension_instance) {
void ClassDB::instance_get_native_extension_data(ObjectNativeExtension **r_extension, GDExtensionClassInstancePtr *r_extension_instance, Object *p_base) {
if (initializing_with_extension) {
*r_extension = initializing_extension;
*r_extension_instance = initializing_extension_instance;
initializing_with_extension = false;
initializing_extension->set_object_instance(*r_extension_instance, p_base);
} else {
*r_extension = nullptr;
*r_extension_instance = nullptr;
@ -1592,7 +1593,7 @@ void ClassDB::register_extension_class(ObjectNativeExtension *p_extension) {
GLOBAL_LOCK_FUNCTION;
ERR_FAIL_COND_MSG(classes.has(p_extension->class_name), "Class already registered: " + String(p_extension->class_name));
ERR_FAIL_COND_MSG(classes.has(p_extension->parent_class_name), "Parent class name for extension class not found: " + String(p_extension->parent_class_name));
ERR_FAIL_COND_MSG(!classes.has(p_extension->parent_class_name), "Parent class name for extension class not found: " + String(p_extension->parent_class_name));
ClassInfo *parent = classes.getptr(p_extension->parent_class_name);
@ -1604,6 +1605,7 @@ void ClassDB::register_extension_class(ObjectNativeExtension *p_extension) {
c.inherits = parent->name;
c.class_ptr = parent->class_ptr;
c.inherits_ptr = parent;
c.exposed = true;
classes[p_extension->class_name] = c;
}

2
core/object/class_db.h
View file

@ -233,7 +233,7 @@ public:
static bool is_parent_class(const StringName &p_class, const StringName &p_inherits);
static bool can_instantiate(const StringName &p_class);
static Object *instantiate(const StringName &p_class);
static void instance_get_native_extension_data(ObjectNativeExtension **r_extension, GDExtensionClassInstancePtr *r_extension_instance);
static void instance_get_native_extension_data(ObjectNativeExtension **r_extension, GDExtensionClassInstancePtr *r_extension_instance, Object *p_base);
static APIType get_api_type(const StringName &p_class);

4
core/object/object.cpp
View file

@ -1815,7 +1815,7 @@ void Object::_construct_object(bool p_reference) {
type_is_reference = p_reference;
_instance_id = ObjectDB::add_instance(this);
ClassDB::instance_get_native_extension_data(&_extension, &_extension_instance);
ClassDB::instance_get_native_extension_data(&_extension, &_extension_instance, this);
#ifdef DEBUG_ENABLED
_lock_index.init(1);
@ -1876,7 +1876,7 @@ Object::~Object() {
if (_instance_bindings != nullptr) {
for (uint32_t i = 0; i < _instance_binding_count; i++) {
if (_instance_bindings[i].free_callback) {
_instance_bindings[i].free_callback(_instance_bindings[i].token, _instance_bindings[i].binding, this);
_instance_bindings[i].free_callback(_instance_bindings[i].token, this, _instance_bindings[i].binding);
}
}
memfree(_instance_bindings);

1
core/object/object.h
View file

@ -272,6 +272,7 @@ struct ObjectNativeExtension {
GDNativeExtensionClassCreateInstance create_instance;
GDNativeExtensionClassFreeInstance free_instance;
GDNativeExtensionClassObjectInstance set_object_instance;
GDNativeExtensionClassGetVirtual get_virtual;
};