1 files changed, 20 insertions, 32 deletions
diff --git a/yage/entity/system.h b/yage/entity/system.h
index 9100fa17..47d176c9 100644
--- a/yage/entity/system.h
+++ b/yage/entity/system.h
@@ -9,48 +9,36 @@
 #ifndef YAGE_ENGINE_SYSTEM_H
 #define YAGE_ENGINE_SYSTEM_H
 
+#include <cstddef>
+
+#include "../util/noncopyable.h"
+
 namespace yage
 {
 
+class BaseSystem : public yage::NonCopyable
+{
+public:
+    typedef std::size_t Identifier;
+
+    virtual void update() = 0;
+
+protected:
+    Identifier id_;
+};
+
 /**
  * System interface for the different systems in the engine.
  */
-class System
+template <typename Derived>
+class System : public BaseSystem
 {
 public:
-    /**
-     * Virtual destructor to destroy all the objects that implement this
-     * properly.
-     */
-    virtual ~System() = 0;
-
-    /**
-     * Initializes the system. Good practice to have this function instead
-     * using the constructor.
-     */
-    virtual void init() = 0;
-
-    /**
-     * Updates the system at each interval using the time step.
-     *
-     * @param dt The time difference between the previous frame and the current one.
-     */
-    virtual void update(double dt) = 0;
-
-    /**
-     * Destroy the system and the components that are contained in it.
-     */
-    virtual void destroy() = 0;
 };
 
-/**
- * Implement the default destructor, but leaving it as purely virtual in the
- * definition of the abstract class. This is so that the classes that implement
- * the abstract class have to implement a desctructor, but at the same time,
- * that there is no undefined behavious when the stack unwinds to the system and
- * calls the system destructor.
- */
-inline System::~System() {}
+class SystemManager : public yage::NonCopyable {
+    
+};
 
 } // namespace yage