add script unit tests + major refactoring

1 files changed, 12 insertions, 3 deletions

diff --git a/src/crepe/api/Script.h b/src/crepe/api/Script.h
index 49e625f..d543df8 100644
--- a/src/crepe/api/Script.h
+++ b/src/crepe/api/Script.h
@@ -11,6 +11,7 @@ namespace crepe {
 class BehaviorScript;
 
 class Script {
+	//! ScriptSystem calls \c update()
 	friend class crepe::ScriptSystem;
 
 protected:
@@ -22,17 +23,25 @@ protected:
 	// added event.
 
 protected:
+	//! Retrieve component from component manager (utility)
 	template <typename T>
 	T & get_component();
 
+	//! Retrieve components from component manager (utility)
 	template <typename T>
 	std::vector<std::reference_wrapper<T>> get_components();
 
-private:
-	friend class crepe::BehaviorScript;
-	BehaviorScript * parent = nullptr;
+protected:
+	// NOTE: Script must have a constructor without arguments so the game
+	// programmer doesn't need to manually add `using Script::Script` to their
+	// concrete script class.
+	Script() = default;
+	//! Only \c BehaviorScript instantiates Script
+	friend class BehaviorScript;
+	BehaviorScript * parent_ref = nullptr;
 };
 
 } // namespace crepe
 
 #include "Script.hpp"
+