Implemented serialization of local player state in json form

lib/networkPacks/SaveLocalState.h

@@ -0,0 +1,27 @@
+/*
+ * SaveLocalState.h, part of VCMI engine
+ *
+ * Authors: listed in file AUTHORS in main folder
+ *
+ * License: GNU General Public License v2.0 or later
+ * Full text of license available in license.txt file, in main folder
+ *
+ */
+#pragma once
+
+#include "NetPacksBase.h"
+
+#include "../json/JsonNode.h"
+
+struct DLL_LINKAGE SaveLocalState : public CPackForServer
+{
+	JsonNode data;
+
+	void visitTyped(ICPackVisitor & visitor) override;
+
+	template <typename Handler> void serialize(Handler & h)
+	{
+		h & static_cast<CPackForServer &>(*this);
+		h & data;
+	}
+};