Viewer is ready to go, I think

luprex/syscpp/viewer.hpp

@@ -1,19 +1,39 @@
 #ifndef VIEWER_HPP
 #define VIEWER_HPP
 
-class Viewer {
-public:
-    // Initialize a standalone game.
-    //
-    void init_standalone();
+#include "world.hpp"
+#include "animqueue.hpp"
+#include <vector>
+#include <string>
+#include <unordered_map>
+#include <memory>
 
+class Viewer {
+private:
+    std::unique_ptr<World> world_;
+    std::vector<int64_t> tangibles_;
+    std::unordered_map<int64_t, AnimView> anim_view_;
+
+
+public:
+    Viewer();
+    ~Viewer();
+
+    // Get the lua state for interaction.
+    //
+    lua_State *get_lua_state() { return world_->get_lua_state(); }
+    
     // Get the player ID of the current player.
     //
     int64_t get_player_id();
 
+    // Update the view.
+    //
+    void update_view();
+
     // Get a list of the tangibles in viewing radius of the player.
     //
-    std::vector<int64_t> get_tangibles_near_player();
+    const std::vector<int64_t> &get_tangibles_near_player();
 
     // Get the animation viewer of the specified tangible.
     //