diff --git a/core/core_bind.cpp b/core/core_bind.cpp index 05fe393a2f86..981d9b002517 100644 --- a/core/core_bind.cpp +++ b/core/core_bind.cpp @@ -1211,8 +1211,7 @@ void Thread::_start_func(void *ud) { Ref t = *tud; memdelete(tud); - Object *target_instance = t->target_callable.get_object(); - if (!target_instance) { + if (!t->target_callable.is_valid()) { t->running.clear(); ERR_FAIL_MSG(vformat("Could not call function '%s' on previously freed instance to start thread %s.", t->target_callable.get_method(), t->get_id())); } diff --git a/core/object/object.cpp b/core/object/object.cpp index 056334c8e1e5..2e5b897bce93 100644 --- a/core/object/object.cpp +++ b/core/object/object.cpp @@ -1109,8 +1109,7 @@ Error Object::emit_signalp(const StringName &p_name, const Variant **p_args, int Error err = OK; for (const Connection &c : slot_conns) { - Object *target = c.callable.get_object(); - if (!target) { + if (!c.callable.is_valid()) { // Target might have been deleted during signal callback, this is expected and OK. continue; } @@ -1133,7 +1132,8 @@ Error Object::emit_signalp(const StringName &p_name, const Variant **p_args, int continue; } #endif - if (ce.error == Callable::CallError::CALL_ERROR_INVALID_METHOD && !ClassDB::class_exists(target->get_class_name())) { + Object *target = c.callable.get_object(); + if (ce.error == Callable::CallError::CALL_ERROR_INVALID_METHOD && target && !ClassDB::class_exists(target->get_class_name())) { //most likely object is not initialized yet, do not throw error. } else { ERR_PRINT("Error calling from signal '" + String(p_name) + "' to callable: " + Variant::get_callable_error_text(c.callable, args, argc, ce) + "."); @@ -1313,8 +1313,14 @@ void Object::get_signals_connected_to_this(List *p_connections) cons Error Object::connect(const StringName &p_signal, const Callable &p_callable, uint32_t p_flags) { ERR_FAIL_COND_V_MSG(p_callable.is_null(), ERR_INVALID_PARAMETER, "Cannot connect to '" + p_signal + "': the provided callable is null."); - Object *target_object = p_callable.get_object(); - ERR_FAIL_NULL_V_MSG(target_object, ERR_INVALID_PARAMETER, "Cannot connect to '" + p_signal + "' to callable '" + p_callable + "': the callable object is null."); + if (p_callable.is_standard()) { + // FIXME: This branch should probably removed in favor of the `is_valid()` branch, but there exist some classes + // that call `connect()` before they are fully registered with ClassDB. Until all such classes can be found + // and registered soon enough this branch is needed to allow `connect()` to succeed. + ERR_FAIL_NULL_V_MSG(p_callable.get_object(), ERR_INVALID_PARAMETER, "Cannot connect to '" + p_signal + "' to callable '" + p_callable + "': the callable object is null."); + } else { + ERR_FAIL_COND_V_MSG(!p_callable.is_valid(), ERR_INVALID_PARAMETER, "Cannot connect to '" + p_signal + "': the provided callable is not valid: " + p_callable); + } SignalData *s = signal_map.getptr(p_signal); if (!s) { @@ -1352,6 +1358,8 @@ Error Object::connect(const StringName &p_signal, const Callable &p_callable, ui } } + Object *target_object = p_callable.get_object(); + SignalData::Slot slot; Connection conn; @@ -1359,7 +1367,9 @@ Error Object::connect(const StringName &p_signal, const Callable &p_callable, ui conn.signal = ::Signal(this, p_signal); conn.flags = p_flags; slot.conn = conn; - slot.cE = target_object->connections.push_back(conn); + if (target_object) { + slot.cE = target_object->connections.push_back(conn); + } if (p_flags & CONNECT_REFERENCE_COUNTED) { slot.reference_count = 1; } @@ -1398,9 +1408,6 @@ void Object::disconnect(const StringName &p_signal, const Callable &p_callable) bool Object::_disconnect(const StringName &p_signal, const Callable &p_callable, bool p_force) { ERR_FAIL_COND_V_MSG(p_callable.is_null(), false, "Cannot disconnect from '" + p_signal + "': the provided callable is null."); - Object *target_object = p_callable.get_object(); - ERR_FAIL_NULL_V_MSG(target_object, false, "Cannot disconnect '" + p_signal + "' from callable '" + p_callable + "': the callable object is null."); - SignalData *s = signal_map.getptr(p_signal); if (!s) { bool signal_is_valid = ClassDB::has_signal(get_class_name(), p_signal) || @@ -1420,7 +1427,13 @@ bool Object::_disconnect(const StringName &p_signal, const Callable &p_callable, } } - target_object->connections.erase(slot->cE); + if (slot->cE) { + Object *target_object = p_callable.get_object(); + if (target_object) { + target_object->connections.erase(slot->cE); + } + } + s->slot_map.erase(*p_callable.get_base_comparator()); if (s->slot_map.is_empty() && ClassDB::has_signal(get_class_name(), p_signal)) { diff --git a/core/object/undo_redo.cpp b/core/object/undo_redo.cpp index b0f9501985a3..2435ab48acfc 100644 --- a/core/object/undo_redo.cpp +++ b/core/object/undo_redo.cpp @@ -136,17 +136,22 @@ void UndoRedo::add_do_method(const Callable &p_callable) { ERR_FAIL_COND(action_level <= 0); ERR_FAIL_COND((current_action + 1) >= actions.size()); - Object *object = p_callable.get_object(); - ERR_FAIL_NULL(object); + ObjectID object_id = p_callable.get_object_id(); + Object *object = ObjectDB::get_instance(object_id); + ERR_FAIL_COND(object_id.is_valid() && object == nullptr); Operation do_op; do_op.callable = p_callable; - do_op.object = p_callable.get_object_id(); + do_op.object = object_id; if (Object::cast_to(object)) { do_op.ref = Ref(Object::cast_to(object)); } do_op.type = Operation::TYPE_METHOD; do_op.name = p_callable.get_method(); + if (do_op.name == StringName()) { + // There's no `get_method()` for custom callables, so use `operator String()` instead. + do_op.name = static_cast(p_callable); + } actions.write[current_action + 1].do_ops.push_back(do_op); } @@ -161,18 +166,23 @@ void UndoRedo::add_undo_method(const Callable &p_callable) { return; } - Object *object = p_callable.get_object(); - ERR_FAIL_NULL(object); + ObjectID object_id = p_callable.get_object_id(); + Object *object = ObjectDB::get_instance(object_id); + ERR_FAIL_COND(object_id.is_valid() && object == nullptr); Operation undo_op; undo_op.callable = p_callable; - undo_op.object = p_callable.get_object_id(); + undo_op.object = object_id; if (Object::cast_to(object)) { undo_op.ref = Ref(Object::cast_to(object)); } undo_op.type = Operation::TYPE_METHOD; undo_op.force_keep_in_merge_ends = force_keep_in_merge_ends; undo_op.name = p_callable.get_method(); + if (undo_op.name == StringName()) { + // There's no `get_method()` for custom callables, so use `operator String()` instead. + undo_op.name = static_cast(p_callable); + } actions.write[current_action + 1].undo_ops.push_back(undo_op); } diff --git a/core/variant/callable.cpp b/core/variant/callable.cpp index d7034f1c00f1..0b1174c87398 100644 --- a/core/variant/callable.cpp +++ b/core/variant/callable.cpp @@ -47,6 +47,13 @@ void Callable::callp(const Variant **p_arguments, int p_argcount, Variant &r_ret r_call_error.expected = 0; r_return_value = Variant(); } else if (is_custom()) { + if (!is_valid()) { + r_call_error.error = CallError::CALL_ERROR_INSTANCE_IS_NULL; + r_call_error.argument = 0; + r_call_error.expected = 0; + r_return_value = Variant(); + return; + } custom->call(p_arguments, p_argcount, r_return_value, r_call_error); } else { Object *obj = ObjectDB::get_instance(ObjectID(object)); diff --git a/scene/animation/tween.cpp b/scene/animation/tween.cpp index 1b8c4101012d..c778129eb629 100644 --- a/scene/animation/tween.cpp +++ b/scene/animation/tween.cpp @@ -675,7 +675,7 @@ bool CallbackTweener::step(double &r_delta) { return false; } - if (!callback.get_object()) { + if (!callback.is_valid()) { return false; } @@ -740,7 +740,7 @@ bool MethodTweener::step(double &r_delta) { return false; } - if (!callback.get_object()) { + if (!callback.is_valid()) { return false; } diff --git a/servers/physics_2d/godot_area_2d.cpp b/servers/physics_2d/godot_area_2d.cpp index 4d2148aa07b4..5371bccf265d 100644 --- a/servers/physics_2d/godot_area_2d.cpp +++ b/servers/physics_2d/godot_area_2d.cpp @@ -78,13 +78,6 @@ void GodotArea2D::set_space(GodotSpace2D *p_space) { } void GodotArea2D::set_monitor_callback(const Callable &p_callback) { - ObjectID id = p_callback.get_object_id(); - - if (id == monitor_callback.get_object_id()) { - monitor_callback = p_callback; - return; - } - _unregister_shapes(); monitor_callback = p_callback; @@ -100,13 +93,6 @@ void GodotArea2D::set_monitor_callback(const Callable &p_callback) { } void GodotArea2D::set_area_monitor_callback(const Callable &p_callback) { - ObjectID id = p_callback.get_object_id(); - - if (id == area_monitor_callback.get_object_id()) { - area_monitor_callback = p_callback; - return; - } - _unregister_shapes(); area_monitor_callback = p_callback; diff --git a/servers/physics_2d/godot_body_2d.cpp b/servers/physics_2d/godot_body_2d.cpp index 4a7b4707682a..bd472a04aefa 100644 --- a/servers/physics_2d/godot_body_2d.cpp +++ b/servers/physics_2d/godot_body_2d.cpp @@ -615,7 +615,7 @@ void GodotBody2D::integrate_velocities(real_t p_step) { return; } - if (fi_callback_data || body_state_callback.get_object()) { + if (fi_callback_data || body_state_callback.is_valid()) { get_space()->body_add_to_state_query_list(&direct_state_query_list); } @@ -676,7 +676,7 @@ void GodotBody2D::call_queries() { Variant direct_state_variant = get_direct_state(); if (fi_callback_data) { - if (!fi_callback_data->callable.get_object()) { + if (!fi_callback_data->callable.is_valid()) { set_force_integration_callback(Callable()); } else { const Variant *vp[2] = { &direct_state_variant, &fi_callback_data->udata }; @@ -692,7 +692,7 @@ void GodotBody2D::call_queries() { } } - if (body_state_callback.get_object()) { + if (body_state_callback.is_valid()) { body_state_callback.call(direct_state_variant); } } @@ -719,7 +719,7 @@ void GodotBody2D::set_state_sync_callback(const Callable &p_callable) { } void GodotBody2D::set_force_integration_callback(const Callable &p_callable, const Variant &p_udata) { - if (p_callable.get_object()) { + if (p_callable.is_valid()) { if (!fi_callback_data) { fi_callback_data = memnew(ForceIntegrationCallbackData); } diff --git a/servers/physics_3d/godot_area_3d.cpp b/servers/physics_3d/godot_area_3d.cpp index 5bf16aa6884f..358344346752 100644 --- a/servers/physics_3d/godot_area_3d.cpp +++ b/servers/physics_3d/godot_area_3d.cpp @@ -87,12 +87,6 @@ void GodotArea3D::set_space(GodotSpace3D *p_space) { } void GodotArea3D::set_monitor_callback(const Callable &p_callback) { - ObjectID id = p_callback.get_object_id(); - if (id == monitor_callback.get_object_id()) { - monitor_callback = p_callback; - return; - } - _unregister_shapes(); monitor_callback = p_callback; @@ -108,12 +102,6 @@ void GodotArea3D::set_monitor_callback(const Callable &p_callback) { } void GodotArea3D::set_area_monitor_callback(const Callable &p_callback) { - ObjectID id = p_callback.get_object_id(); - if (id == area_monitor_callback.get_object_id()) { - area_monitor_callback = p_callback; - return; - } - _unregister_shapes(); area_monitor_callback = p_callback; diff --git a/servers/physics_3d/godot_body_3d.cpp b/servers/physics_3d/godot_body_3d.cpp index 21d5e49828cb..14975777a676 100644 --- a/servers/physics_3d/godot_body_3d.cpp +++ b/servers/physics_3d/godot_body_3d.cpp @@ -674,7 +674,7 @@ void GodotBody3D::integrate_velocities(real_t p_step) { return; } - if (fi_callback_data || body_state_callback.get_object()) { + if (fi_callback_data || body_state_callback.is_valid()) { get_space()->body_add_to_state_query_list(&direct_state_query_list); } @@ -759,7 +759,7 @@ void GodotBody3D::call_queries() { Variant direct_state_variant = get_direct_state(); if (fi_callback_data) { - if (!fi_callback_data->callable.get_object()) { + if (!fi_callback_data->callable.is_valid()) { set_force_integration_callback(Callable()); } else { const Variant *vp[2] = { &direct_state_variant, &fi_callback_data->udata }; @@ -771,7 +771,7 @@ void GodotBody3D::call_queries() { } } - if (body_state_callback.get_object()) { + if (body_state_callback.is_valid()) { body_state_callback.call(direct_state_variant); } } @@ -798,7 +798,7 @@ void GodotBody3D::set_state_sync_callback(const Callable &p_callable) { } void GodotBody3D::set_force_integration_callback(const Callable &p_callable, const Variant &p_udata) { - if (p_callable.get_object()) { + if (p_callable.is_valid()) { if (!fi_callback_data) { fi_callback_data = memnew(ForceIntegrationCallbackData); }