1 files changed, 21 insertions, 7 deletions

diff --git a/src/crepe/Component.h b/src/crepe/Component.h
index 12c10cb..67bcc68 100644
--- a/src/crepe/Component.h
+++ b/src/crepe/Component.h
@@ -9,14 +9,19 @@ class ComponentManager;
 /**
  * \brief Base class for all components
  * 
- * This class is the base class for all components. It provides a common
- * interface for all components.
+ * This class is the base class for all components. It provides a common interface for all
+ * components.
  */
 class Component {
 public:
 	//! Whether the component is active
 	bool active = true;
-	//! The id of the GameObject this component belongs to
+	/**
+	 * \brief The id of the GameObject this component belongs to
+	 *
+	 * \note Only systems are supposed to use this member, but since friend
+	 * relations aren't inherited this needs to be public.
+	 */
 	const game_object_id_t game_object_id;
 
 protected:
@@ -24,20 +29,29 @@ protected:
 	 * \param id The id of the GameObject this component belongs to
 	 */
 	Component(game_object_id_t id);
-	//! Only the ComponentManager can create components
+	//! Only ComponentManager can create components
 	friend class ComponentManager;
 
+	Component(const Component &) = delete;
+	Component(Component &&) = delete;
+	virtual Component & operator=(const Component &) = delete;
+	virtual Component & operator=(Component &&) = delete;
+
+public:
+	virtual ~Component() = default;
+
 public:
 	/**
 	 * \brief Get the maximum number of instances for this component
 	 *
-	 * This method returns -1 by default, which means that there is no limit
-	 * for the number of instances. Concrete components can override this method
-	 * to set a limit.
+	 * This method returns -1 by default, which means that there is no limit for the number of
+	 * instances. Concrete components can override this method to set a limit.
 	 *
 	 * \return The maximum number of instances for this component
 	 */
 	virtual int get_instances_max() const { return -1; }
+	//! Only ComponentManager needs to know the max instance count
+	friend class ComponentManager;
 };
 
 } // namespace crepe