클라이언트 리프레쉬 골자 추가.

서버는 단순 브로드캐스트 에코 서버로 해야 할 듯..

include/socket/packet.h

@@ -4,7 +4,7 @@
 
 namespace Packet {
 
-enum class Opcode {
+enum class Opcode : std::uint16_t {
   NOP,
   SPAWNMODEL,
   DESPAWNMODEL,

include/vulkan_engine/vulkan/engine.h

@@ -4,14 +4,15 @@
 #include "graphics.h"
 #include "physics.h"
 #include "utils/thread_pool.h"
+#include "socket/iocp.h"
 
 namespace veng {
 
 class Engine {
  public:
   Engine(gsl::not_null<Graphics*> vulkan_graphics,
-         utils::ThreadPool* thread_pool)
-      : vulkan_graphics(vulkan_graphics), thread_pool_(thread_pool) {}
+         utils::ThreadPool* thread_pool, Network::IOCP* iocp)
+      : vulkan_graphics(vulkan_graphics), thread_pool_(thread_pool), iocp_(iocp) {}
 
   void init();
 
@@ -25,6 +26,9 @@ class Engine {
 
   void Update();
 
+  void NetworkUpload();
+  void RefreshFromServer();
+
   std::function<void(Engine&)> BeginPlay = [](Engine& engine) {};
   std::function<void(Engine&, std::float_t delta_time)> Tick =
       [](Engine& engine, std::float_t delta_time) {};
@@ -41,6 +45,7 @@ class Engine {
   Loader asset_loader_;
   Physics physics_controller_;
   utils::ThreadPool* thread_pool_;
+  Network::IOCP* iocp_;
 
   glm::ivec2 window_size_ = {0, 0};
   std::double_t last_frame_time_ = 0.0;