refactored some functions from main.cpp

src/app/TextureLoader.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <SDL3/SDL.h>
+
+#include <atomic>
+#include <mutex>
+#include <string>
+#include <vector>
+
+class TextureLoader {
+public:
+    TextureLoader(
+        std::atomic<int>& loadedTasks,
+        std::string& currentLoadingFile,
+        std::mutex& currentLoadingMutex,
+        std::vector<std::string>& assetLoadErrors,
+        std::mutex& assetLoadErrorsMutex);
+
+    SDL_Texture* loadFromImage(SDL_Renderer* renderer, const std::string& path, int* outW = nullptr, int* outH = nullptr);
+
+private:
+    std::atomic<int>& loadedTasks_;
+    std::string& currentLoadingFile_;
+    std::mutex& currentLoadingMutex_;
+    std::vector<std::string>& assetLoadErrors_;
+    std::mutex& assetLoadErrorsMutex_;
+
+    void setCurrentLoadingFile(const std::string& filename);
+    void clearCurrentLoadingFile();
+    void recordAssetLoadError(const std::string& message);
+};