extract DnaManager system loading in to seperet implementations

inc/App.hpp

@@ -1,6 +1,6 @@
 #include <array>
 #include "canvas/Canvas.hpp"
-#include "values/DnaManager.hpp"
+#include "DnaStore.hpp"
 class App
 {
 
@@ -36,7 +36,7 @@ private:
 
   std::array<UiUnit, 2> unit = {0};
 
-  DnaManager manager;
+  DnaManagerData manager;
 
   Rectangle likedTextBox;
   Rectangle genTextBox;

inc/DnaStore.hpp

@@ -0,0 +1,9 @@
+#include "values/DnaManager.hpp"
+
+namespace DnaStore
+{
+  void load(DnaManagerData *data);
+  void saveData(DnaManagerData *data);
+  void saveVec(DnaManagerData *data);
+  void saveGen(DnaManagerData *data);
+} // namespace DnaStore

inc/values/DnaManager.hpp

@@ -28,19 +28,9 @@ struct NetUnit
 
 static_assert(24 == sizeof(NetUnit));
 
-class DnaManager
+struct DnaManagerData
 {
-public:
-  void init();
-  void deinit();
-  UiUnit next();
-  void like(UiUnit unit);
   int generation;
-
-private:
-  void saveData();
-  void saveVec();
-  void saveGen();
   uint128 randSeed;
   uint128 id;
   int queued;
@@ -48,6 +38,11 @@ private:
   std::vector<Dna> vector;
   std::vector<int> liked;
   std::vector<int> disliked;
-
-  void newGen();
+};
+
+namespace DnaManager
+{
+  UiUnit next(DnaManagerData *data);
+  bool like(UiUnit unit, DnaManagerData *data);
+  void newGen(DnaManagerData *data);
 };