add script unit tests + major refactoring

1 files changed, 18 insertions, 2 deletions

diff --git a/src/crepe/api/BehaviorScript.h b/src/crepe/api/BehaviorScript.h
index 6b1fec7..8d21a72 100644
--- a/src/crepe/api/BehaviorScript.h
+++ b/src/crepe/api/BehaviorScript.h
@@ -12,19 +12,35 @@ class Script;
 
 class BehaviorScript : public Component {
 protected:
-	friend class crepe::ComponentManager;
 	using Component::Component;
+	//! Only ComponentManager is allowed to instantiate BehaviorScript
+	friend class ComponentManager;
 
 public:
 	virtual ~BehaviorScript() = default;
 
 public:
+	/**
+	 * \brief Set the concrete script of this component
+	 *
+	 * \tparam T Concrete script type (derived from \c crepe::Script)
+	 *
+	 * \returns Reference to BehaviorScript component (`*this`)
+	 */
 	template <class T>
 	BehaviorScript & set_script();
 
 protected:
-	friend class crepe::ScriptSystem;
+	//! ScriptSystem needs direct access to the script instance
+	friend class ScriptSystem;
+	//! Flag to indicate if script->init() has been called already
+	bool initialized = false;
 	std::unique_ptr<Script> script = nullptr;
+
+private:
+	//! Script accesses the component manager directly via its parent
+	// (BehaviorScript) reference
+	friend class Script;
 };
 
 } // namespace crepe