Working on game state

src/dialogue/DialogueRuntime.h

@@ -2,6 +2,7 @@
 
 #include "dialogue/DialogueDatabase.h"
 #include "quest/QuestJournal.h"
+#include "external/nlohmann/json.hpp"
 #include <functional>
 #include <string>
 #include <unordered_map>
@@ -40,6 +41,13 @@ public:
 	void setGlobalFlagStore(std::unordered_map<std::string, int>* store);
 	void setQuestJournal(Quest::QuestJournal* journal);
 
+	// Saves whether a dialogue is active, its id, and current node.
+	// Cutscene state is not saved.
+	void save(nlohmann::json& out) const;
+	// Restores saved dialogue state. Text reveal snaps to completion so the
+	// typing animation doesn't replay. No callbacks are fired on restore.
+	void load(const nlohmann::json& in);
+
 private:
 	enum class Mode {
 		Inactive,