diff --git a/src/ObjCommon/LightDef/LightDefCommon.cpp b/src/ObjCommon/LightDef/LightDefCommon.cpp
new file mode 100644
index 00000000..b43af370
--- /dev/null
+++ b/src/ObjCommon/LightDef/LightDefCommon.cpp
@@ -0,0 +1,11 @@
+#include "LightDefCommon.h"
+
+#include <format>
+
+namespace light_def
+{
+    std::string GetFileNameForAsset(const std::string& assetName)
+    {
+        return std::format("lights/{}", assetName);
+    }
+} // namespace light_def
diff --git a/src/ObjCommon/LightDef/LightDefCommon.h b/src/ObjCommon/LightDef/LightDefCommon.h
new file mode 100644
index 00000000..22002431
--- /dev/null
+++ b/src/ObjCommon/LightDef/LightDefCommon.h
@@ -0,0 +1,8 @@
+#pragma once
+
+#include <string>
+
+namespace light_def
+{
+    std::string GetFileNameForAsset(const std::string& assetName);
+}
diff --git a/src/ObjLoading/Game/IW4/LightDef/LoaderLightDefIW4.cpp b/src/ObjLoading/Game/IW4/LightDef/LightDefLoaderIW4.cpp
similarity index 91%
rename from src/ObjLoading/Game/IW4/LightDef/LoaderLightDefIW4.cpp
rename to src/ObjLoading/Game/IW4/LightDef/LightDefLoaderIW4.cpp
index 0563554e..abf4bf0b 100644
--- a/src/ObjLoading/Game/IW4/LightDef/LoaderLightDefIW4.cpp
+++ b/src/ObjLoading/Game/IW4/LightDef/LightDefLoaderIW4.cpp
@@ -1,12 +1,15 @@
-#include "LoaderLightDefIW4.h"
+#include "LightDefLoaderIW4.h"
 
 #include "Game/IW4/IW4.h"
+#include "LightDef/LightDefCommon.h"
 
 #include <cstring>
 #include <format>
 #include <iostream>
 
+
 using namespace IW4;
+using namespace ::light_def;
 
 namespace
 {
@@ -23,7 +26,7 @@ namespace
 
         AssetCreationResult CreateAsset(const std::string& assetName, AssetCreationContext& context) override
         {
-            const auto filename = GetAssetFilename(assetName);
+            const auto filename = GetFileNameForAsset(assetName);
             const auto file = m_search_path.Open(filename);
             if (!file.IsOpen())
                 return AssetCreationResult::NoAction();
@@ -61,11 +64,6 @@ namespace
         }
 
     private:
-        std::string GetAssetFilename(const std::string& assetName)
-        {
-            return std::format("lights/{}", assetName);
-        }
-
         MemoryManager& m_memory;
         ISearchPath& m_search_path;
     };
diff --git a/src/ObjLoading/Game/IW4/LightDef/LoaderLightDefIW4.h b/src/ObjLoading/Game/IW4/LightDef/LightDefLoaderIW4.h
similarity index 100%
rename from src/ObjLoading/Game/IW4/LightDef/LoaderLightDefIW4.h
rename to src/ObjLoading/Game/IW4/LightDef/LightDefLoaderIW4.h
diff --git a/src/ObjLoading/Game/IW4/ObjLoaderIW4.cpp b/src/ObjLoading/Game/IW4/ObjLoaderIW4.cpp
index f90d1afd..1fc97241 100644
--- a/src/ObjLoading/Game/IW4/ObjLoaderIW4.cpp
+++ b/src/ObjLoading/Game/IW4/ObjLoaderIW4.cpp
@@ -5,7 +5,7 @@
 #include "Game/IW4/IW4.h"
 #include "Game/IW4/XModel/LoaderXModelIW4.h"
 #include "Leaderboard/LoaderLeaderboardIW4.h"
-#include "LightDef/LoaderLightDefIW4.h"
+#include "LightDef/LightDefLoaderIW4.h"
 #include "Localize/LoaderLocalizeIW4.h"
 #include "Material/LoaderMaterialIW4.h"
 #include "Menu/LoaderMenuListIW4.h"
diff --git a/src/ObjWriting/Game/IW4/LightDef/AssetDumperGfxLightDef.cpp b/src/ObjWriting/Game/IW4/LightDef/AssetDumperGfxLightDef.cpp
deleted file mode 100644
index af05c62d..00000000
--- a/src/ObjWriting/Game/IW4/LightDef/AssetDumperGfxLightDef.cpp
+++ /dev/null
@@ -1,36 +0,0 @@
-#include "AssetDumperGfxLightDef.h"
-
-#include <sstream>
-
-using namespace IW4;
-
-std::string AssetDumperGfxLightDef::GetAssetFilename(const std::string& assetName)
-{
-    std::ostringstream ss;
-
-    ss << "lights/" << assetName;
-
-    return ss.str();
-}
-
-bool AssetDumperGfxLightDef::ShouldDump(XAssetInfo<GfxLightDef>* asset)
-{
-    return true;
-}
-
-void AssetDumperGfxLightDef::DumpAsset(AssetDumpingContext& context, XAssetInfo<GfxLightDef>* asset)
-{
-    const auto* lightDef = asset->Asset();
-    const auto assetFile = context.OpenAssetFile(GetAssetFilename(asset->m_name));
-
-    if (!assetFile || lightDef->attenuation.image == nullptr || lightDef->attenuation.image->name == nullptr)
-        return;
-
-    auto& stream = *assetFile;
-
-    const auto* imageName = lightDef->attenuation.image->name;
-    if (imageName[0] == ',')
-        imageName = &imageName[1];
-
-    stream << lightDef->attenuation.samplerState << imageName << static_cast<char>(lightDef->lmapLookupStart);
-}
diff --git a/src/ObjWriting/Game/IW4/LightDef/LightDefDumperIW4.cpp b/src/ObjWriting/Game/IW4/LightDef/LightDefDumperIW4.cpp
new file mode 100644
index 00000000..549da3d1
--- /dev/null
+++ b/src/ObjWriting/Game/IW4/LightDef/LightDefDumperIW4.cpp
@@ -0,0 +1,33 @@
+#include "LightDefDumperIW4.h"
+
+#include "LightDef/LightDefCommon.h"
+
+#include <sstream>
+
+using namespace IW4;
+using namespace ::light_def;
+
+namespace IW4::light_def
+{
+    bool Dumper::ShouldDump(XAssetInfo<GfxLightDef>* asset)
+    {
+        return true;
+    }
+
+    void Dumper::DumpAsset(AssetDumpingContext& context, XAssetInfo<GfxLightDef>* asset)
+    {
+        const auto* lightDef = asset->Asset();
+        const auto assetFile = context.OpenAssetFile(GetFileNameForAsset(asset->m_name));
+
+        if (!assetFile || lightDef->attenuation.image == nullptr || lightDef->attenuation.image->name == nullptr)
+            return;
+
+        auto& stream = *assetFile;
+
+        const auto* imageName = lightDef->attenuation.image->name;
+        if (imageName[0] == ',')
+            imageName = &imageName[1];
+
+        stream << lightDef->attenuation.samplerState << imageName << static_cast<char>(lightDef->lmapLookupStart);
+    }
+} // namespace IW4::light_def
diff --git a/src/ObjWriting/Game/IW4/LightDef/AssetDumperGfxLightDef.h b/src/ObjWriting/Game/IW4/LightDef/LightDefDumperIW4.h
similarity index 63%
rename from src/ObjWriting/Game/IW4/LightDef/AssetDumperGfxLightDef.h
rename to src/ObjWriting/Game/IW4/LightDef/LightDefDumperIW4.h
index 275712ef..9b8003c9 100644
--- a/src/ObjWriting/Game/IW4/LightDef/AssetDumperGfxLightDef.h
+++ b/src/ObjWriting/Game/IW4/LightDef/LightDefDumperIW4.h
@@ -3,12 +3,10 @@
 #include "Dumping/AbstractAssetDumper.h"
 #include "Game/IW4/IW4.h"
 
-namespace IW4
+namespace IW4::light_def
 {
-    class AssetDumperGfxLightDef final : public AbstractAssetDumper<GfxLightDef>
+    class Dumper final : public AbstractAssetDumper<GfxLightDef>
     {
-        static std::string GetAssetFilename(const std::string& assetName);
-
     protected:
         bool ShouldDump(XAssetInfo<GfxLightDef>* asset) override;
         void DumpAsset(AssetDumpingContext& context, XAssetInfo<GfxLightDef>* asset) override;
diff --git a/src/ObjWriting/Game/IW4/ObjWriterIW4.cpp b/src/ObjWriting/Game/IW4/ObjWriterIW4.cpp
index 1be58651..40a370b6 100644
--- a/src/ObjWriting/Game/IW4/ObjWriterIW4.cpp
+++ b/src/ObjWriting/Game/IW4/ObjWriterIW4.cpp
@@ -4,7 +4,7 @@
 #include "Game/IW4/XModel/XModelDumperIW4.h"
 #include "Image/AssetDumperGfxImage.h"
 #include "Leaderboard/LeaderboardJsonDumperIW4.h"
-#include "LightDef/AssetDumperGfxLightDef.h"
+#include "LightDef/LightDefDumperIW4.h"
 #include "Localize/AssetDumperLocalizeEntry.h"
 #include "Maps/AssetDumperAddonMapEnts.h"
 #include "Material/DumperMaterialIW4.h"
@@ -57,7 +57,7 @@ bool ObjWriter::DumpZone(AssetDumpingContext& context) const
     // DUMP_ASSET_POOL(AssetDumperMapEnts, m_map_ents, ASSET_TYPE_MAP_ENTS)
     // DUMP_ASSET_POOL(AssetDumperFxWorld, m_fx_world, ASSET_TYPE_FXWORLD)
     // DUMP_ASSET_POOL(AssetDumperGfxWorld, m_gfx_world, ASSET_TYPE_GFXWORLD)
-    DUMP_ASSET_POOL(AssetDumperGfxLightDef, m_gfx_light_def, ASSET_TYPE_LIGHT_DEF)
+    DUMP_ASSET_POOL(light_def::Dumper, m_gfx_light_def, ASSET_TYPE_LIGHT_DEF)
     // DUMP_ASSET_POOL(AssetDumperFont_s, m_font, ASSET_TYPE_FONT)
     DUMP_ASSET_POOL(AssetDumperMenuList, m_menu_list, ASSET_TYPE_MENULIST)
     DUMP_ASSET_POOL(AssetDumperMenuDef, m_menu_def, ASSET_TYPE_MENU)