1 files changed, 38 insertions, 5 deletions

diff --git a/src/crepe/Component.h b/src/crepe/Component.h
index bc44865..eff5a58 100644
--- a/src/crepe/Component.h
+++ b/src/crepe/Component.h
@@ -1,22 +1,55 @@
 #pragma once
 
-#include <cstdint>
+#include "types.h"
 
 namespace crepe {
 
 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.
+ */
 class Component {
+public:
+	//! Whether the component is active
+	bool active = true;
+	/**
+	 * \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:
-	friend class crepe::ComponentManager;
-	Component(uint32_t id);
+	/**
+	 * \param id The id of the GameObject this component belongs to
+	 */
+	Component(game_object_id_t id);
+	//! 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:
-	uint32_t game_object_id;
-	bool active;
+	/**
+	 * \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.
+	 *
+	 * \return The maximum number of instances for this component
+	 */
+	virtual int get_instances_max() const { return -1; }
 };
 
 } // namespace crepe