Core/Game/GameInstance.cpp

@@ -1,11 +1,9 @@
 #include "GameInstance.hpp"
 
 #include <filesystem>
-#include <fstream>
 #include <chrono>
 #include <thread>
 
-#include "ModelManager.hpp"
 #include "Core/CoreInstance.hpp"
 #include "Game/WorldFactory.hpp"
 #include "Game/World/World.hpp"
@@ -19,8 +17,6 @@ GameInstance::GameInstance(CoreInstance& core) : core(core)
 	// Init directories
 	std::filesystem::create_directories(std::filesystem::path("./Resources"));
 	
-	current_model_manager_ = new ModelManager();
-	
 	for (auto& factories : world_factories)
 	{
 		if (factories.world_name == base_world)
@@ -38,7 +34,6 @@ GameInstance::GameInstance(CoreInstance& core) : core(core)
 GameInstance::~GameInstance()
 {
 	delete world;
-	delete current_model_manager_;
 }
 
 void GameInstance::start()

Core/Game/GameInstance.hpp

@@ -5,7 +5,6 @@
 
 class CoreInstance;
 class World;
-class ModelManager;
 
 #define GENERATE_FACTORY_GAME_INSTANCE(Class) \
 GameInstance* GameFactory(CoreInstance& core) { return new Class(core); }
@@ -14,7 +13,6 @@ class GameInstance
 {
 	CoreInstance& core;
 	World* world = nullptr;
-	ModelManager* current_model_manager_ = nullptr;
 
 	std::atomic<bool> is_running = true;
 
@@ -31,7 +29,6 @@ public:
 
 	World* GetWorld() const { return world; }
 	CoreInstance& GetCore() const { return core; }
-	ModelManager* GetCurrentModelManager() const { return current_model_manager_; }
 
 	friend class CoreInstance;
 };

UwURenderEngine/CMakeLists.txt

@@ -1,7 +1,7 @@
 file(GLOB_RECURSE SRC "*.cpp" "*.c" "*.hpp" "*.h")
 
 add_library(UwURenderEngine ${SRC})
-target_include_directories(UwURenderEngine PRIVATE ${PROJECT_SOURCE_DIR}/RenderEngineSDK)
+target_include_directories(UwURenderEngine PUBLIC ${PROJECT_SOURCE_DIR}/RenderEngineSDK)
 target_link_libraries(UwURenderEngine PRIVATE RenderEngineSDK)
 
 target_compile_features(UwURenderEngine PRIVATE cxx_std_17)

UwURenderEngine/Game/Actors/Mesh/StaticMesh.cpp

@@ -4,6 +4,7 @@
 #include "Game/GameInstance.hpp"
 #include "Game/SaveMap/SaveMap.hpp"
 #include "Game/World/World.hpp"
+#include "../../../RenderEngine/UwURenderEngine.hpp"
 
 StaticMesh::StaticMesh()
 {
@@ -23,12 +24,13 @@ void StaticMesh::load(std::shared_ptr<SaveMap> save)
 void StaticMesh::load_model(const std::string& model_name)
 {
     model_name_ = model_name;
+    model_ = static_cast<UwURenderEngine*>(GetWorld()->GetGameInstance().GetCore().GetRenderEngine())->GetModelManager()->LoadModel(model_name);
     SetModelName(model_name);
-    model_ = GetWorld()->GetGameInstance().GetCurrentModelManager()->LoadModel(model_name);
 }
 
 void StaticMesh::OnDestroy()
 {
     Mesh::OnDestroy();
-    GetWorld()->GetGameInstance().GetCurrentModelManager()->FreeModel(model_name_);
+    
+    static_cast<UwURenderEngine*>(GetWorld()->GetGameInstance().GetCore().GetRenderEngine())->GetModelManager()->FreeModel(model_name_);
 }

UwURenderEngine/Game/Actors/Mesh/StaticMesh.hpp

@@ -1,7 +1,7 @@
 #pragma once
 
 #include "Mesh.hpp"
-#include "Game/ModelManager.hpp"
+#include "../../../RenderEngine/ModelManager.hpp"
 
 GENERATE_META(StaticMesh)
 

UwURenderEngine/RenderEngine/ModelManager.cpp

@@ -0,0 +1,65 @@
+#include "ModelManager.hpp"
+
+#include "Log/Log.hpp"
+
+ModelManager::owner_counter::owner_counter(const owner_counter& other) : counter(other.counter.load()), model(other.model)
+{
+}
+
+unsigned int ModelManager::FNV1aHash(const char* buf)
+{	
+    unsigned int h_val = 0x811c9dc5;
+
+    while (*buf)
+    {
+        h_val ^= static_cast<unsigned int>(*buf++);
+        h_val *= 0x01000193;
+    }
+
+    return h_val;
+}
+
+ModelManager::~ModelManager()
+{
+    models.clear();
+}
+
+ModelManager::StaticModel* ModelManager::LoadModel(const std::string& name)
+{
+    if (name.empty())
+        return nullptr;
+    unsigned int hash = FNV1aHash(name.c_str());
+    auto counter = models.find(hash);
+    if (counter != models.cend())
+    {
+        ++counter->second.counter;
+        return counter->second.model;
+    }
+
+    Loging::Log("Load new model: " + name);
+    
+    // Load model_data
+    owner_counter new_counter;
+    new_counter.counter.store(1);
+    new_counter.model = new StaticModel();
+    models.try_emplace(hash, new_counter);
+    return new_counter.model;
+}
+
+void ModelManager::FreeModel(const std::string& name)
+{
+    if (name.empty())
+        return;
+    
+    unsigned int hash = FNV1aHash(name.c_str());
+    auto counter = models.find(hash);
+    --counter->second.counter;
+
+    StaticModel* model = counter->second.model;
+    if (counter->second.counter.load() == 0)
+    {
+        Loging::Log("Free model: " + name);
+        models.erase(hash);
+        delete model;
+    }
+}

UwURenderEngine/RenderEngine/ModelManager.hpp

@@ -0,0 +1,35 @@
+#pragma once
+
+#include <unordered_map>
+#include <string>
+#include <atomic>
+
+class ModelManager
+{
+public:
+    class StaticModel
+    {
+        //DATA
+    };
+
+    struct owner_counter
+    {
+        std::atomic_ullong counter;
+        StaticModel* model;
+
+        owner_counter() = default;
+        owner_counter(const owner_counter& other);
+    };
+    
+private:
+
+    std::unordered_map<unsigned int, owner_counter> models;
+
+    static unsigned int FNV1aHash (const char *buf);
+
+public:
+    ~ModelManager();
+    
+    StaticModel* LoadModel(const std::string& name);
+    void FreeModel(const std::string& name);
+};

UwURenderEngine/RenderEngine/UwURenderEngine.cpp

@@ -1,7 +1,6 @@
 #include "UwURenderEngine.hpp"
 
 #include <array>
-#include <queue>
 #include <set>
 #include <stdexcept>
 #include <fstream>
@@ -18,6 +17,8 @@ const std::vector<const char*> UwURenderEngine::deviceExtensions = {
     VK_KHR_SWAPCHAIN_EXTENSION_NAME
 };
 
+RENDER_ENGINE_FACTORY_GENERATE(UwURenderEngine)
+
 #ifdef _DEBUG
 static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(
     VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
@@ -1051,7 +1052,8 @@ void UwURenderEngine::create_surface()
 }
 
 UwURenderEngine::UwURenderEngine(CoreInstance& core):
-core_(core)
+core_(core),
+model_manager_(new ModelManager)
 #ifdef _DEBUG
 ,debug_messenger_(nullptr)
 #endif

UwURenderEngine/RenderEngine/UwURenderEngine.hpp

@@ -1,10 +1,12 @@
 #pragma once
 
 #include "RenderEngineBase.hpp"
+#include "ModelManager.hpp"
 
 #include <optional>
 #include <vector>
 #include <string>
+#include <memory>
 
 #define GLM_FORCE_RADIANS
 #include <glm/glm.hpp>
@@ -68,6 +70,7 @@ class UwURenderEngine : public RenderEngineBase
     int current_frame_ = 0;
 
     CoreInstance& core_;
+    std::unique_ptr<ModelManager> model_manager_;
     
     VkInstance instance_ = VK_NULL_HANDLE;
     VkSurfaceKHR surface_ = VK_NULL_HANDLE;
@@ -153,6 +156,5 @@ public:
     void start() override;
     void stop_render() const override;
 
+    ModelManager* GetModelManager() const { return model_manager_.get(); }
 };
-
-RENDER_ENGINE_FACTORY_GENERATE(UwURenderEngine)