1 files changed, 15 insertions, 6 deletions
diff --git a/src/crepe/system/System.h b/src/crepe/system/System.h
index 5091977..36f7edc 100644
--- a/src/crepe/system/System.h
+++ b/src/crepe/system/System.h
@@ -4,19 +4,28 @@
 
 namespace crepe {
 
-//! ECS system base class
+class ComponentManager;
+
+/**
+ * \brief Base ECS system class
+ *
+ * This class is used as the base for all system classes. Classes derived from
+ * System must implement the System::update() method and copy Script::Script
+ * with the `using`-syntax.
+ */
 class System {
 public:
-	//! Process components belonging to this system
+	/**
+	 * \brief Process all components this system is responsible for.
+	 */
 	virtual void update() = 0;
 
 public:
-	System();
+	System(ComponentManager &);
 	virtual ~System() = default;
 
-public:
-	//! Reference to component manager
-	ComponentManager & compmgr;
+protected:
+	ComponentManager & component_manager;
 };
 
 } // namespace crepe