5 files changed, 13 insertions, 14 deletions

diff --git a/servers/physics_3d/body_3d_sw.cpp b/servers/physics_3d/body_3d_sw.cpp
index cc414b7f30..d54345821d 100644
--- a/servers/physics_3d/body_3d_sw.cpp
+++ b/servers/physics_3d/body_3d_sw.cpp
@@ -693,15 +693,16 @@ void Body3DSW::call_queries() {
 
 		Variant v = dbs;
 
-		Object *obj = ObjectDB::get_instance(fi_callback->id);
+		Object *obj = fi_callback->callable.get_object();
 		if (!obj) {
-			set_force_integration_callback(ObjectID(), StringName());
+			set_force_integration_callback(Callable());
 		} else {
 			const Variant *vp[2] = { &v, &fi_callback->udata };
 
 			Callable::CallError ce;
 			int argc = (fi_callback->udata.get_type() == Variant::NIL) ? 1 : 2;
-			obj->call(fi_callback->method, vp, argc, ce);
+			Variant rv;
+			fi_callback->callable.call(vp, argc, rv, ce);
 		}
 	}
 }
@@ -725,16 +726,15 @@ bool Body3DSW::sleep_test(real_t p_step) {
 	}
 }
 
-void Body3DSW::set_force_integration_callback(ObjectID p_id, const StringName &p_method, const Variant &p_udata) {
+void Body3DSW::set_force_integration_callback(const Callable &p_callable, const Variant &p_udata) {
 	if (fi_callback) {
 		memdelete(fi_callback);
 		fi_callback = nullptr;
 	}
 
-	if (p_id.is_valid()) {
+	if (p_callable.get_object()) {
 		fi_callback = memnew(ForceIntegrationCallback);
-		fi_callback->id = p_id;
-		fi_callback->method = p_method;
+		fi_callback->callable = p_callable;
 		fi_callback->udata = p_udata;
 	}
 }
diff --git a/servers/physics_3d/body_3d_sw.h b/servers/physics_3d/body_3d_sw.h
index 5790f43019..9afb8cd56f 100644
--- a/servers/physics_3d/body_3d_sw.h
+++ b/servers/physics_3d/body_3d_sw.h
@@ -127,8 +127,7 @@ class Body3DSW : public CollisionObject3DSW {
 	int contact_count;
 
 	struct ForceIntegrationCallback {
-		ObjectID id;
-		StringName method;
+		Callable callable;
 		Variant udata;
 	};
 
@@ -143,7 +142,7 @@ class Body3DSW : public CollisionObject3DSW {
 	friend class PhysicsDirectBodyState3DSW; // i give up, too many functions to expose
 
 public:
-	void set_force_integration_callback(ObjectID p_id, const StringName &p_method, const Variant &p_udata = Variant());
+	void set_force_integration_callback(const Callable &p_callable, const Variant &p_udata = Variant());
 
 	void set_kinematic_margin(real_t p_margin);
 	_FORCE_INLINE_ real_t get_kinematic_margin() { return kinematic_safe_margin; }
diff --git a/servers/physics_3d/physics_server_3d_sw.cpp b/servers/physics_3d/physics_server_3d_sw.cpp
index 3d0063b0fa..c08e2b5794 100644
--- a/servers/physics_3d/physics_server_3d_sw.cpp
+++ b/servers/physics_3d/physics_server_3d_sw.cpp
@@ -857,10 +857,10 @@ int PhysicsServer3DSW::body_get_max_contacts_reported(RID p_body) const {
 	return body->get_max_contacts_reported();
 }
 
-void PhysicsServer3DSW::body_set_force_integration_callback(RID p_body, Object *p_receiver, const StringName &p_method, const Variant &p_udata) {
+void PhysicsServer3DSW::body_set_force_integration_callback(RID p_body, const Callable &p_callable, const Variant &p_udata) {
 	Body3DSW *body = body_owner.getornull(p_body);
 	ERR_FAIL_COND(!body);
-	body->set_force_integration_callback(p_receiver ? p_receiver->get_instance_id() : ObjectID(), p_method, p_udata);
+	body->set_force_integration_callback(p_callable, p_udata);
 }
 
 void PhysicsServer3DSW::body_set_ray_pickable(RID p_body, bool p_enable) {
diff --git a/servers/physics_3d/physics_server_3d_sw.h b/servers/physics_3d/physics_server_3d_sw.h
index f92652bfad..0b42f1d605 100644
--- a/servers/physics_3d/physics_server_3d_sw.h
+++ b/servers/physics_3d/physics_server_3d_sw.h
@@ -241,7 +241,7 @@ public:
 	virtual void body_set_max_contacts_reported(RID p_body, int p_contacts) override;
 	virtual int body_get_max_contacts_reported(RID p_body) const override;
 
-	virtual void body_set_force_integration_callback(RID p_body, Object *p_receiver, const StringName &p_method, const Variant &p_udata = Variant()) override;
+	virtual void body_set_force_integration_callback(RID p_body, const Callable &p_callable, const Variant &p_udata = Variant()) override;
 
 	virtual void body_set_ray_pickable(RID p_body, bool p_enable) override;
 
diff --git a/servers/physics_3d/physics_server_3d_wrap_mt.h b/servers/physics_3d/physics_server_3d_wrap_mt.h
index 49ae60db92..69d0fcf3ed 100644
--- a/servers/physics_3d/physics_server_3d_wrap_mt.h
+++ b/servers/physics_3d/physics_server_3d_wrap_mt.h
@@ -249,7 +249,7 @@ public:
 	FUNC2(body_set_omit_force_integration, RID, bool);
 	FUNC1RC(bool, body_is_omitting_force_integration, RID);
 
-	FUNC4(body_set_force_integration_callback, RID, Object *, const StringName &, const Variant &);
+	FUNC3(body_set_force_integration_callback, RID, const Callable &, const Variant &);
 
 	FUNC2(body_set_ray_pickable, RID, bool);