in my opinion, PIStateMachine is ready to real work

libs/main/state_machine/pistatemachine_state.h

@@ -74,8 +74,10 @@ public:
 
 	void print(PIString prefix = {});
 
+	PIVector<PIStateBase *> gatherStates();
+
 protected:
-	bool start();
+	bool start(bool force = false);
 	void setActive(bool yes);
 	void setActiveRecursive(bool yes);
 	void setChildrenActive(bool yes);