Working on save-load system and UI

src/dialogue/DialogueSystem.h

@@ -7,13 +7,14 @@
 #include "cutscene/CutsceneOverlay.h"
 #include "cutscene/CutsceneRuntime.h"
 #include "quest/QuestJournal.h"
+#include "ISaveable.h"
 #include <SDL.h>
 #include <functional>
 #include <string>
 
 namespace ZL::Dialogue {
 
-class DialogueSystem {
+class DialogueSystem : public ZL::ISaveable {
 public:
 	bool init(Renderer& renderer, const std::string& zipFile = "");
 
@@ -45,6 +46,9 @@ public:
 	void saveDialogueState(nlohmann::json& out) const { dialogueRuntime.save(out); }
 	void loadDialogueState(const nlohmann::json& in)  { dialogueRuntime.load(in); }
 
+	void save(nlohmann::json& out) const override { saveDialogueState(out); }
+	void load(const nlohmann::json& in)  override { loadDialogueState(in); }
+
 	bool isActive() const { return dialogueRuntime.isActive() || cutsceneRuntime.isActive(); }
 	bool blocksGameplayInput() const { return isActive(); }