refactor: introduce subasset loading

src/ObjWriting/ObjWriter.h

@@ -0,0 +1,29 @@
+#pragma once
+
+#include "Dumping/AssetDumpingContext.h"
+#include "Dumping/IAssetDumper.h"
+
+#include <memory>
+#include <vector>
+
+class IObjWriter
+{
+public:
+    IObjWriter() = default;
+    virtual ~IObjWriter() = default;
+    IObjWriter(const IObjWriter& other) = default;
+    IObjWriter(IObjWriter&& other) noexcept = default;
+    IObjWriter& operator=(const IObjWriter& other) = default;
+    IObjWriter& operator=(IObjWriter&& other) noexcept = default;
+
+    bool DumpZone(AssetDumpingContext& context);
+
+    static IObjWriter* GetObjWriterForGame(GameId game);
+
+protected:
+    virtual void RegisterAssetDumpers(AssetDumpingContext& context) = 0;
+    void RegisterAssetDumper(std::unique_ptr<IAssetDumper> dumper);
+
+private:
+    std::vector<std::unique_ptr<IAssetDumper>> m_asset_dumpers;
+};