4 files changed, 15 insertions, 16 deletions

diff --git a/src/crepe/api/BehaviorScript.hpp b/src/crepe/api/BehaviorScript.hpp
index 5b5a418..bd59337 100644
--- a/src/crepe/api/BehaviorScript.hpp
+++ b/src/crepe/api/BehaviorScript.hpp
@@ -15,10 +15,10 @@ BehaviorScript & BehaviorScript::set_script(Args &&... args) {
 	static_assert(std::is_base_of<Script, T>::value);
 	Script * s = new T(std::forward<Args>(args)...);
 
-	s->game_object_id_ref = &this->game_object_id;
-	s->active_ref = &this->active;
-	s->component_manager_ref = &this->component_manager;
-	s->event_manager_ref = &EventManager::get_instance();
+	s->game_object_id = this->game_object_id;
+	s->active = this->active;
+	s->component_manager = this->component_manager;
+	s->event_manager = EventManager::get_instance();
 
 	this->script = std::unique_ptr<Script>(s);
 	return *this;
diff --git a/src/crepe/api/Script.cpp b/src/crepe/api/Script.cpp
index 0e73848..8bb3ef6 100644
--- a/src/crepe/api/Script.cpp
+++ b/src/crepe/api/Script.cpp
@@ -3,7 +3,7 @@
 using namespace crepe;
 
 Script::~Script() {
-	EventManager & evmgr = *this->event_manager_ref;
+	EventManager & evmgr = this->event_manager;
 	for (auto id : this->listeners) {
 		evmgr.unsubscribe(id);
 	}
@@ -11,6 +11,6 @@ Script::~Script() {
 
 template <>
 void Script::subscribe(const EventHandler<CollisionEvent> & callback) {
-	const game_object_id_t & game_object_id = *this->game_object_id_ref;
+	const game_object_id_t & game_object_id = this->game_object_id;
 	this->subscribe_internal(callback, game_object_id);
 }
diff --git a/src/crepe/api/Script.h b/src/crepe/api/Script.h
index 43efd15..6418b04 100644
--- a/src/crepe/api/Script.h
+++ b/src/crepe/api/Script.h
@@ -2,6 +2,7 @@
 
 #include <vector>
 
+#include "../util/OptionalRef.h"
 #include "../types.h"
 
 #include "EventManager.h"
@@ -150,18 +151,16 @@ private:
 	 * implement a non-default constructor (e.g. for passing references to their own concrete
 	 * Script classes).
 	 *
-	 * \todo These should be converted to OptionalRef<> once `loek/util` is merged
-	 *
 	 * \{
 	 */
 	//! Game object ID of game object parent BehaviorScript is attached to
-	const game_object_id_t * game_object_id_ref = nullptr;
+	OptionalRef<const game_object_id_t> game_object_id;
 	//! Reference to parent component
-	bool * active_ref = nullptr;
+	OptionalRef<bool> active;
 	//! Reference to component manager instance
-	ComponentManager * component_manager_ref = nullptr;
+	OptionalRef<ComponentManager> component_manager;
 	//! Reference to event manager instance
-	EventManager * event_manager_ref = nullptr;
+	OptionalRef<EventManager> event_manager;
 	//! \}
 
 private:
diff --git a/src/crepe/api/Script.hpp b/src/crepe/api/Script.hpp
index e94278d..a2463bf 100644
--- a/src/crepe/api/Script.hpp
+++ b/src/crepe/api/Script.hpp
@@ -20,9 +20,9 @@ T & Script::get_component() const {
 
 template <typename T>
 RefVector<T> Script::get_components() const {
-	ComponentManager & mgr = *this->component_manager_ref;
+	ComponentManager & mgr = this->component_manager;
 
-	return mgr.get_components_by_id<T>(*this->game_object_id_ref);
+	return mgr.get_components_by_id<T>(this->game_object_id);
 }
 
 template <typename... Args>
@@ -33,10 +33,10 @@ void Script::logf(Args &&... args) {
 template <typename EventType>
 void Script::subscribe_internal(const EventHandler<EventType> & callback,
 								event_channel_t channel) {
-	EventManager & mgr = *this->event_manager_ref;
+	EventManager & mgr = this->event_manager;
 	subscription_t listener = mgr.subscribe<EventType>(
 		[this, callback](const EventType & data) -> bool {
-			bool & active = *this->active_ref;
+			bool & active = this->active;
 			if (!active) return false;
 			return callback(data);
 		},