일단은 멀티로 접속이 됨..

include/vulkan_engine/vulkan/engine.h

@@ -20,9 +20,9 @@ class Engine {
   const Model* GetStaticModel(std::string name);
 
   // 수명을 무제한으로 놓고 싶으면 lifespan을 -1으로 설정하면 됨
-  Model* SpawnLifedModel(std::string asset_name, std::string name,
+  std::shared_ptr<Model> SpawnLifedModel(std::string asset_name, std::string name,
                          std::float_t lifespan);
-  Model* GetSpawnedObject(std::string name);
+  std::shared_ptr<Model> GetSpawnedObject(std::string name);
 
   void Update();
   void NetUpdate(std::shared_ptr<Network::Socket> sock);
@@ -53,7 +53,7 @@ class Engine {
 
   std::unordered_map<std::string, veng::Model> model_assets_;
 
-  std::unordered_map<std::string, veng::Model> models_;
+  std::unordered_map<std::string, std::shared_ptr<Model>> models_;
 };
 
 }  // namespace veng

include/vulkan_engine/vulkan/graphics.h

@@ -33,7 +33,7 @@ class Graphics final {
   void RenderBuffer(BufferHandle handle, std::uint32_t vertex_count);
   void RenderIndexedBuffer(BufferHandle vertex_buffer,
                            BufferHandle index_buffer, std::uint32_t count);
-  void RenderModel(struct Model* model);
+  void RenderModel(std::shared_ptr<struct Model> model);
   void EndFrame();
 
   BufferHandle CreateVertexBuffer(gsl::span<Vertex> vertices);

include/vulkan_engine/vulkan/physics.h

@@ -7,7 +7,8 @@
 namespace veng {
 class Physics {
  public:
-  void invokeOnColisionEvent(gsl::not_null<utils::ThreadPool *> thread_pool, gsl::span<Model*> models);
+  void invokeOnColisionEvent(gsl::not_null<utils::ThreadPool*> thread_pool,
+                             std::vector<std::shared_ptr<Model>> models);
 
   bool RayTrace(const glm::vec3& rayOrigin, const glm::vec3& rayDir,
                 const glm::vec3& v0, const glm::vec3& v1, const glm::vec3& v2,