1 files changed, 18 insertions, 10 deletions
diff --git a/src/crepe/system/System.h b/src/crepe/system/System.h
index ecbb7f5..063dfbf 100644
--- a/src/crepe/system/System.h
+++ b/src/crepe/system/System.h
@@ -1,22 +1,30 @@
 #pragma once
 
+#include "../manager/Mediator.h"
+
 namespace crepe {
 
+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:
-	static System & get_instance();
+	/**
+	 * \brief Process all components this system is responsible for.
+	 */
 	virtual void update() = 0;
 
-protected:
-	System() {};
-	virtual ~System() {};
+public:
+	System(const Mediator & m);
+	virtual ~System() = default;
 
-private:
-	// singleton
-	System(const System &) = delete;
-	System(System &&) = delete;
-	System & operator=(const System &) = delete;
-	System & operator=(System &&) = delete;
+protected:
+	const Mediator & mediator;
 };
 
 } // namespace crepe