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-rw-r--r--core/object.cpp7
-rw-r--r--core/object.h6
-rw-r--r--core/reference.cpp29
-rw-r--r--core/script_language.h2
4 files changed, 36 insertions, 8 deletions
diff --git a/core/object.cpp b/core/object.cpp
index e83abaece7..24a31930a0 100644
--- a/core/object.cpp
+++ b/core/object.cpp
@@ -1916,7 +1916,11 @@ void *Object::get_script_instance_binding(int p_script_language_index) {
//as it should not really affect performance much (won't be called too often), as in far most caes the condition below will be false afterwards
if (!_script_instance_bindings[p_script_language_index]) {
- _script_instance_bindings[p_script_language_index] = ScriptServer::get_language(p_script_language_index)->alloc_instance_binding_data(this);
+ void *script_data = ScriptServer::get_language(p_script_language_index)->alloc_instance_binding_data(this);
+ if (script_data) {
+ atomic_increment(&instance_binding_count);
+ _script_instance_bindings[p_script_language_index] = script_data;
+ }
}
return _script_instance_bindings[p_script_language_index];
@@ -1931,6 +1935,7 @@ Object::Object() {
_instance_ID = ObjectDB::add_instance(this);
_can_translate = true;
_is_queued_for_deletion = false;
+ instance_binding_count = 0;
memset(_script_instance_bindings, 0, sizeof(void *) * MAX_SCRIPT_INSTANCE_BINDINGS);
script_instance = NULL;
#ifdef TOOLS_ENABLED
diff --git a/core/object.h b/core/object.h
index d741371306..43e1cf4785 100644
--- a/core/object.h
+++ b/core/object.h
@@ -490,10 +490,12 @@ private:
void _set_indexed_bind(const NodePath &p_name, const Variant &p_value);
Variant _get_indexed_bind(const NodePath &p_name) const;
- void *_script_instance_bindings[MAX_SCRIPT_INSTANCE_BINDINGS];
-
void property_list_changed_notify();
+ friend class Reference;
+ uint32_t instance_binding_count;
+ void *_script_instance_bindings[MAX_SCRIPT_INSTANCE_BINDINGS];
+
protected:
virtual void _initialize_classv() { initialize_class(); }
virtual bool _setv(const StringName &p_name, const Variant &p_property) { return false; };
diff --git a/core/reference.cpp b/core/reference.cpp
index c33a7c683c..6e1520d81d 100644
--- a/core/reference.cpp
+++ b/core/reference.cpp
@@ -66,8 +66,17 @@ int Reference::reference_get_count() const {
bool Reference::reference() {
bool success = refcount.ref();
- if (success && get_script_instance()) {
- get_script_instance()->refcount_incremented();
+ if (success && refcount.get() <= 2 /* higher is not relevant */) {
+ if (get_script_instance()) {
+ get_script_instance()->refcount_incremented();
+ }
+ if (instance_binding_count > 0) {
+ for (int i = 0; i < MAX_SCRIPT_INSTANCE_BINDINGS; i++) {
+ if (_script_instance_bindings[i]) {
+ ScriptServer::get_language(i)->refcount_incremented_instance_binding(this);
+ }
+ }
+ }
}
return success;
@@ -77,9 +86,19 @@ bool Reference::unreference() {
bool die = refcount.unref();
- if (get_script_instance()) {
- bool script_ret = get_script_instance()->refcount_decremented();
- die = die && script_ret;
+ if (refcount.get() <= 1 /* higher is not relevant */) {
+ if (get_script_instance()) {
+ bool script_ret = get_script_instance()->refcount_decremented();
+ die = die && script_ret;
+ }
+ if (instance_binding_count > 0) {
+ for (int i = 0; i < MAX_SCRIPT_INSTANCE_BINDINGS; i++) {
+ if (_script_instance_bindings[i]) {
+ bool script_ret = ScriptServer::get_language(i)->refcount_decremented_instance_binding(this);
+ die = die && script_ret;
+ }
+ }
+ }
}
return die;
diff --git a/core/script_language.h b/core/script_language.h
index 71b705e960..573e7b4fa1 100644
--- a/core/script_language.h
+++ b/core/script_language.h
@@ -311,6 +311,8 @@ public:
virtual void *alloc_instance_binding_data(Object *p_object) { return NULL; } //optional, not used by all languages
virtual void free_instance_binding_data(void *p_data) {} //optional, not used by all languages
+ virtual void refcount_incremented_instance_binding(Object *p_object) {} //optional, not used by all languages
+ virtual bool refcount_decremented_instance_binding(Object *p_object) { return true; } //return true if it can die //optional, not used by all languages
virtual void frame();