chore: refactor IW4 asset loaders

src/ObjLoading/Game/IW4/Techset/LoaderTechsetIW4.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include "Asset/IAssetCreator.h"
+#include "Game/IW4/IW4.h"
+#include "SearchPath/ISearchPath.h"
+#include "StateMap/StateMapDefinition.h"
+#include "Techset/TechsetDefinition.h"
+#include "Utils/MemoryManager.h"
+
+#include <memory>
+#include <string>
+
+namespace IW4
+{
+    [[nodiscard]] std::string GetTechsetFileName(const std::string& techsetAssetName);
+    [[nodiscard]] std::string GetTechniqueFileName(const std::string& techniqueName);
+    [[nodiscard]] std::string GetStateMapFileName(const std::string& stateMapName);
+
+    class ITechsetCreator : public AssetCreator<AssetTechniqueSet>
+    {
+    public:
+        ITechsetCreator() = default;
+        virtual ~ITechsetCreator() = default;
+
+        virtual techset::TechsetDefinition* LoadTechsetDefinition(const std::string& assetName, AssetCreationContext& context, bool& failure) = 0;
+        virtual const state_map::StateMapDefinition* LoadStateMapDefinition(const std::string& stateMapName, AssetCreationContext& context) = 0;
+    };
+
+    std::unique_ptr<ITechsetCreator> CreateTechsetLoader(MemoryManager& memory, ISearchPath& searchPath);
+} // namespace IW4