Working on save-load system and UI

src/items/Item.h

@@ -3,6 +3,7 @@
 #include <memory>
 #include <vector>
 #include <functional>
+#include "ISaveable.h"
 
 namespace ZL {
 
@@ -19,11 +20,9 @@ namespace ZL {
 		}
 	};
 
-	class Inventory {
-	private:
-		std::vector<Item> items;
-
+	class Inventory : public ISaveable {
 	public:
+		std::vector<Item> items;
 		void addItem(const Item& item);
 		void removeItem(const std::string& itemId);
 		const std::vector<Item>& getItems() const { return items; }
@@ -31,6 +30,9 @@ namespace ZL {
 		void clear() { items.clear(); }
 		size_t getCount() const { return items.size(); }
 
+		void save(nlohmann::json& out) const override;
+		void load(const nlohmann::json& in) override;
+
 		// Called whenever an item is added/removed; receives the item id.
 		std::function<void(const std::string&)> onItemAdded;
 		std::function<void(const std::string&)> onItemRemoved;