Вынес движок рендера в отдельный модуль ввиде статической библиотеки

Core/Game/ModelManager.cpp

@@ -0,0 +1,107 @@
+#include "ModelManager.hpp"
+
+#include "Log/Log.hpp"
+
+ModelManager::StaticModel::StaticModel(const std::vector<Voxel>& voxels, std::string name):
+name_(std::move(name)),
+voxels_(voxels)
+{
+    glm::ivec3 sum_moments{0, 0, 0};
+    int sum_masses = 0;
+
+    for (auto& i : voxels_)
+    {
+        sum_moments += glm::ivec3{i.loc.x * i.mass, i.loc.y * i.mass, i.loc.z * i.mass};
+        sum_masses += i.mass;
+    }
+
+    if(sum_masses != 0)
+        sum_moments /= sum_masses;
+    else if (!voxels_.empty())
+    {
+        sum_moments.x /= static_cast<int>(voxels_.size());
+        sum_moments.y /= static_cast<int>(voxels_.size());
+        sum_moments.z /= static_cast<int>(voxels_.size());
+    }
+    
+    mass_center_ = sum_moments;
+}
+
+ModelManager::StaticModel::~StaticModel()
+{
+    OnDestroy.Call(name_);
+}
+
+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;
+}
+
+void ModelManager::OnDestroySometimeModelCaller(const std::string& name)
+{
+    Loging::Log("Free model: " + name);
+    OnDestroySometimeModel.Call(name);
+}
+
+ModelManager::~ModelManager()
+{
+    for (const auto& [it, counter] : models)
+    {
+        counter.model->OnDestroy.unbind(this, &ModelManager::OnDestroySometimeModelCaller);
+    }
+    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);
+    
+    std::vector<Voxel> model_data;
+    // Load model_data
+    owner_counter new_counter;
+    new_counter.counter.store(1);
+    new_counter.model = new StaticModel(model_data, name);
+    new_counter.model->OnDestroy.bind(this, &ModelManager::OnDestroySometimeModelCaller);
+    models.try_emplace(hash, new_counter);
+    OnLoadSometimeModel.Call(new_counter.model);
+    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)
+    {
+        models.erase(hash);
+        delete model;
+    }
+}