Major refactoring - internal server state machine implemented

src/dialogue/DialogueSystem.h

@@ -14,7 +14,7 @@
 
 namespace FRG::Dialogue {
 
-class DialogueSystem : public FRG::ISaveable {
+class DialogueSystem {
 public:
 	bool init(Renderer& renderer, const std::string& zipFile = "");
 
@@ -48,8 +48,8 @@ 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); }
+	void save(nlohmann::json& out) const { saveDialogueState(out); }
+	void load(const nlohmann::json& in) { loadDialogueState(in); }
 
 	bool isActive() const { return dialogueRuntime.isActive() || cutsceneRuntime.isActive(); }
 	bool isDialogueActive() const { return dialogueRuntime.isActive(); }