Changed how userdata is handled

luprex/core/cpp/world.hpp

@@ -125,14 +125,15 @@ public:
     //
     // Eventually we'll add another parameter for gui-state.
     //
-    void invoke_plan(int64_t actor_id, int64_t place_id, const std::string &action);
+    void invoke_plan(int64_t actor_id, int64_t place_id, const std::string &action, const GuiResult &gres);
     
     // fetch
     //
     // Given a lua state, fetch the world model associated with
     // that lua state.
     //
-    static World *fetch(lua_State *L);
+    static void store_global_pointer(lua_State *L, World *w);
+    static World *fetch_global_pointer(lua_State *L);
 
     // Snapshot and rollback - temporary.
     //