starting playing the wherigo

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

main/include/lua/persistence.h

@@ -0,0 +1,45 @@
+#ifndef LUA_PERSISTENCE_H
+#define LUA_PERSISTENCE_H
+
+#include <string>
+#include <vector>
+
+extern "C" {
+struct lua_State;
+}
+
+namespace wherigo {
+
+class LuaPersistence {
+public:
+  // Save current Lua state to file
+  static bool saveState(lua_State* L, const std::string& filePath);
+
+  // Load Lua state from file
+  static bool loadState(lua_State* L, const std::string& filePath);
+
+  // Save specific global variables
+  static bool saveGlobals(lua_State* L, const std::string& filePath,
+                          const std::vector<std::string>& globals);
+
+  // Load specific global variables
+  static bool loadGlobals(lua_State* L, const std::string& filePath);
+
+private:
+  // Serialize a Lua value (recursive)
+  static void serializeValue(lua_State* L, int index, std::string& output, int depth = 0);
+
+  // Deserialize from string back to Lua stack
+  static bool deserializeValue(lua_State* L, const std::string& input, size_t& pos);
+
+  // Helper to serialize table
+  static void serializeTable(lua_State* L, int index, std::string& output, int depth);
+
+  // Collect all global variables that should be saved
+  static std::vector<std::string> getGameGlobals(lua_State* L);
+};
+
+} // namespace wherigo
+
+#endif // LUA_PERSISTENCE_H
+