refactor: streamline IW4 asset loading

src/ObjCommon/Sound/SoundCurveCommon.cpp

@@ -0,0 +1,11 @@
+#include "SoundCurveCommon.h"
+
+#include <format>
+
+namespace sound_curve
+{
+    std::string GetFileNameForAssetName(const std::string& assetName)
+    {
+        return std::format("soundaliases/{}.vfcurve", assetName);
+    }
+} // namespace sound_curve

src/ObjCommon/Sound/SoundCurveCommon.h

@@ -0,0 +1,8 @@
+#pragma once
+
+#include <string>
+
+namespace sound_curve
+{
+    std::string GetFileNameForAssetName(const std::string& assetName);
+}