feat: add post processors compiling iwds and ipaks

src/Linker/Linker.cpp

@@ -257,9 +257,10 @@ class LinkerImpl final : public Linker
         return true;
     }
 
-    std::unique_ptr<Zone> CreateZoneForDefinition(LinkerPathManager& paths, const std::string& targetName, ZoneDefinition& zoneDefinition) const
+    std::unique_ptr<Zone> CreateZoneForDefinition(
+        LinkerPathManager& paths, const fs::path& outDir, const fs::path& cacheDir, const std::string& targetName, ZoneDefinition& zoneDefinition) const
     {
-        ZoneCreationContext context(&zoneDefinition, &paths.m_asset_paths.GetSearchPaths());
+        ZoneCreationContext context(&zoneDefinition, &paths.m_asset_paths.GetSearchPaths(), outDir, cacheDir);
         if (!ProcessZoneDefinitionIgnores(paths, targetName, context))
             return nullptr;
         if (!LoadGdtFilesFromZoneDefinition(context.m_gdt_files, zoneDefinition, &paths.m_gdt_paths.GetSearchPaths()))
@@ -268,22 +269,18 @@ class LinkerImpl final : public Linker
         return zone_creator::CreateZoneForDefinition(zoneDefinition.m_game, context);
     }
 
-    bool WriteZoneToFile(const LinkerPathManager& paths, const std::string& projectName, Zone* zone) const
+    bool WriteZoneToFile(const LinkerPathManager& paths, const fs::path& outDir, const std::string& projectName, Zone* zone) const
     {
-        const fs::path zoneFolderPath(paths.m_linker_paths->BuildOutputFolderPath(projectName, zone->m_game->GetId()));
-        auto zoneFilePath(zoneFolderPath);
-        zoneFilePath.append(zone->m_name + ".ff");
+        auto zoneFilePath(outDir);
+        zoneFilePath.append(std::format("{}.ff", zone->m_name));
 
-        fs::create_directories(zoneFolderPath);
+        fs::create_directories(outDir);
 
         std::ofstream stream(zoneFilePath, std::fstream::out | std::fstream::binary);
         if (!stream.is_open())
             return false;
 
-        if (m_args.m_verbose)
-        {
         std::cout << std::format("Building zone \"{}\"\n", zoneFilePath.string());
-        }
 
         if (!ZoneWriting::WriteZone(stream, zone))
         {
@@ -300,12 +297,14 @@ class LinkerImpl final : public Linker
 
     bool BuildFastFile(LinkerPathManager& paths, const std::string& projectName, const std::string& targetName, ZoneDefinition& zoneDefinition) const
     {
-        SoundBankWriter::OutputPath = fs::path(paths.m_linker_paths->BuildOutputFolderPath(projectName, zoneDefinition.m_game));
+        const fs::path outDir(paths.m_linker_paths->BuildOutputFolderPath(projectName, zoneDefinition.m_game));
+        const fs::path cacheDir(paths.m_linker_paths->BuildCacheFolderPath(projectName, zoneDefinition.m_game));
+        SoundBankWriter::OutputPath = outDir;
 
-        const auto zone = CreateZoneForDefinition(paths, targetName, zoneDefinition);
+        const auto zone = CreateZoneForDefinition(paths, outDir, cacheDir, targetName, zoneDefinition);
         auto result = zone != nullptr;
         if (zone)
-            result = WriteZoneToFile(paths, projectName, zone.get());
+            result = WriteZoneToFile(paths, outDir, projectName, zone.get());
 
         return result;
     }

src/Linker/ZoneCreation/ZoneCreationContext.cpp

@@ -1,13 +1,17 @@
 #include "ZoneCreationContext.h"
 
+namespace fs = std::filesystem;
+
 ZoneCreationContext::ZoneCreationContext()
     : m_definition(nullptr),
       m_asset_search_path(nullptr)
 {
 }
 
-ZoneCreationContext::ZoneCreationContext(ZoneDefinition* definition, ISearchPath* assetSearchPath)
+ZoneCreationContext::ZoneCreationContext(ZoneDefinition* definition, ISearchPath* assetSearchPath, fs::path outDir, fs::path cacheDir)
     : m_definition(definition),
-      m_asset_search_path(assetSearchPath)
+      m_asset_search_path(assetSearchPath),
+      m_out_dir(std::move(outDir)),
+      m_cache_dir(std::move(cacheDir))
 {
 }

src/Linker/ZoneCreation/ZoneCreationContext.h

@@ -4,6 +4,7 @@
 #include "Zone/AssetList/AssetList.h"
 #include "Zone/Definition/ZoneDefinition.h"
 
+#include <filesystem>
 #include <memory>
 #include <vector>
 
@@ -12,9 +13,11 @@ class ZoneCreationContext
 public:
     ZoneDefinition* m_definition;
     ISearchPath* m_asset_search_path;
+    std::filesystem::path m_out_dir;
+    std::filesystem::path m_cache_dir;
     std::vector<std::unique_ptr<Gdt>> m_gdt_files;
     AssetList m_ignored_assets;
 
     ZoneCreationContext();
-    ZoneCreationContext(ZoneDefinition* definition, ISearchPath* assetSearchPath);
+    ZoneCreationContext(ZoneDefinition* definition, ISearchPath* assetSearchPath, std::filesystem::path outDir, std::filesystem::path cacheDir);
 };

src/Linker/ZoneCreation/ZoneCreator.cpp

@@ -64,7 +64,8 @@ namespace zone_creator
         const auto* objLoader = IObjLoader::GetObjLoaderForGame(gameId);
 
         AssetCreatorCollection creatorCollection(*zone);
-        objCompiler->ConfigureCreatorCollection(creatorCollection, *zone, *context.m_definition);
+        objCompiler->ConfigureCreatorCollection(
+            creatorCollection, *zone, *context.m_definition, *context.m_asset_search_path, lookup, context.m_out_dir, context.m_cache_dir);
         objLoader->ConfigureCreatorCollection(creatorCollection, *zone, *context.m_asset_search_path, lookup);
 
         AssetCreationContext creationContext(zone.get(), &creatorCollection, &ignoredAssetLookup);

src/ObjCompiling/Game/IW3/ObjCompilerIW3.cpp

@@ -1,5 +1,37 @@
 #include "ObjCompilerIW3.h"
 
-using namespace IW3;
+#include "Game/IW3/IW3.h"
+#include "Image/ImageIwdPostProcessor.h"
 
-void ObjCompiler::ConfigureCreatorCollection(AssetCreatorCollection& collection, Zone& zone, const ZoneDefinition& zoneDefinition) const {}
+#include <memory>
+
+using namespace IW3;
+namespace fs = std::filesystem;
+
+namespace
+{
+    void ConfigureCompilers(AssetCreatorCollection& collection, Zone& zone, ISearchPath& searchPath)
+    {
+        auto& memory = *zone.GetMemory();
+
+        // No compilers yet
+    }
+
+    void ConfigurePostProcessors(AssetCreatorCollection& collection, Zone& zone, ISearchPath& searchPath, const fs::path& outDir)
+    {
+        auto& memory = *zone.GetMemory();
+
+        collection.AddAssetPostProcessor(std::make_unique<ImageIwdPostProcessor<AssetImage>>(searchPath, outDir));
+    }
+} // namespace
+
+void ObjCompiler::ConfigureCreatorCollection(AssetCreatorCollection& collection,
+                                             Zone& zone,
+                                             const ZoneDefinition& zoneDefinition,
+                                             ISearchPath& searchPath,
+                                             IGdtQueryable& gdt,
+                                             const fs::path& outDir,
+                                             const fs::path& cacheDir) const
+{
+    ConfigurePostProcessors(collection, zone, searchPath, outDir);
+}

src/ObjCompiling/Game/IW3/ObjCompilerIW3.h

@@ -7,6 +7,12 @@ namespace IW3
     class ObjCompiler final : public IObjCompiler
     {
     public:
-        void ConfigureCreatorCollection(AssetCreatorCollection& collection, Zone& zone, const ZoneDefinition& zoneDefinition) const override;
+        void ConfigureCreatorCollection(AssetCreatorCollection& collection,
+                                        Zone& zone,
+                                        const ZoneDefinition& zoneDefinition,
+                                        ISearchPath& searchPath,
+                                        IGdtQueryable& gdt,
+                                        const std::filesystem::path& outDir,
+                                        const std::filesystem::path& cacheDir) const override;
     };
 } // namespace IW3

src/ObjCompiling/Game/IW4/ObjCompilerIW4.cpp

@@ -1,5 +1,37 @@
 #include "ObjCompilerIW4.h"
 
-using namespace IW4;
+#include "Game/IW4/IW4.h"
+#include "Image/ImageIwdPostProcessor.h"
 
-void ObjCompiler::ConfigureCreatorCollection(AssetCreatorCollection& collection, Zone& zone, const ZoneDefinition& zoneDefinition) const {}
+#include <memory>
+
+using namespace IW4;
+namespace fs = std::filesystem;
+
+namespace
+{
+    void ConfigureCompilers(AssetCreatorCollection& collection, Zone& zone, ISearchPath& searchPath)
+    {
+        auto& memory = *zone.GetMemory();
+
+        // No compilers yet
+    }
+
+    void ConfigurePostProcessors(AssetCreatorCollection& collection, Zone& zone, ISearchPath& searchPath, const fs::path& outDir)
+    {
+        auto& memory = *zone.GetMemory();
+
+        collection.AddAssetPostProcessor(std::make_unique<ImageIwdPostProcessor<AssetImage>>(searchPath, outDir));
+    }
+} // namespace
+
+void ObjCompiler::ConfigureCreatorCollection(AssetCreatorCollection& collection,
+                                             Zone& zone,
+                                             const ZoneDefinition& zoneDefinition,
+                                             ISearchPath& searchPath,
+                                             IGdtQueryable& gdt,
+                                             const fs::path& outDir,
+                                             const fs::path& cacheDir) const
+{
+    ConfigurePostProcessors(collection, zone, searchPath, outDir);
+}

src/ObjCompiling/Game/IW4/ObjCompilerIW4.h

@@ -7,6 +7,12 @@ namespace IW4
     class ObjCompiler final : public IObjCompiler
     {
     public:
-        void ConfigureCreatorCollection(AssetCreatorCollection& collection, Zone& zone, const ZoneDefinition& zoneDefinition) const override;
+        void ConfigureCreatorCollection(AssetCreatorCollection& collection,
+                                        Zone& zone,
+                                        const ZoneDefinition& zoneDefinition,
+                                        ISearchPath& searchPath,
+                                        IGdtQueryable& gdt,
+                                        const std::filesystem::path& outDir,
+                                        const std::filesystem::path& cacheDir) const override;
     };
 } // namespace IW4

src/ObjCompiling/Game/IW5/ObjCompilerIW5.cpp

@@ -1,5 +1,37 @@
 #include "ObjCompilerIW5.h"
 
-using namespace IW5;
+#include "Game/IW5/IW5.h"
+#include "Image/ImageIwdPostProcessor.h"
 
-void ObjCompiler::ConfigureCreatorCollection(AssetCreatorCollection& collection, Zone& zone, const ZoneDefinition& zoneDefinition) const {}
+#include <memory>
+
+using namespace IW5;
+namespace fs = std::filesystem;
+
+namespace
+{
+    void ConfigureCompilers(AssetCreatorCollection& collection, Zone& zone, ISearchPath& searchPath)
+    {
+        auto& memory = *zone.GetMemory();
+
+        // No compilers yet
+    }
+
+    void ConfigurePostProcessors(AssetCreatorCollection& collection, Zone& zone, ISearchPath& searchPath, const fs::path& outDir)
+    {
+        auto& memory = *zone.GetMemory();
+
+        collection.AddAssetPostProcessor(std::make_unique<ImageIwdPostProcessor<AssetImage>>(searchPath, outDir));
+    }
+} // namespace
+
+void ObjCompiler::ConfigureCreatorCollection(AssetCreatorCollection& collection,
+                                             Zone& zone,
+                                             const ZoneDefinition& zoneDefinition,
+                                             ISearchPath& searchPath,
+                                             IGdtQueryable& gdt,
+                                             const fs::path& outDir,
+                                             const fs::path& cacheDir) const
+{
+    ConfigurePostProcessors(collection, zone, searchPath, outDir);
+}

src/ObjCompiling/Game/IW5/ObjCompilerIW5.h

@@ -7,6 +7,12 @@ namespace IW5
     class ObjCompiler final : public IObjCompiler
     {
     public:
-        void ConfigureCreatorCollection(AssetCreatorCollection& collection, Zone& zone, const ZoneDefinition& zoneDefinition) const override;
+        void ConfigureCreatorCollection(AssetCreatorCollection& collection,
+                                        Zone& zone,
+                                        const ZoneDefinition& zoneDefinition,
+                                        ISearchPath& searchPath,
+                                        IGdtQueryable& gdt,
+                                        const std::filesystem::path& outDir,
+                                        const std::filesystem::path& cacheDir) const override;
     };
 } // namespace IW5

src/ObjCompiling/Game/T5/ObjCompilerT5.cpp

@@ -1,5 +1,37 @@
 #include "ObjCompilerT5.h"
 
-using namespace T5;
+#include "Game/T5/T5.h"
+#include "Image/ImageIwdPostProcessor.h"
 
-void ObjCompiler::ConfigureCreatorCollection(AssetCreatorCollection& collection, Zone& zone, const ZoneDefinition& zoneDefinition) const {}
+#include <memory>
+
+using namespace T5;
+namespace fs = std::filesystem;
+
+namespace
+{
+    void ConfigureCompilers(AssetCreatorCollection& collection, Zone& zone, ISearchPath& searchPath)
+    {
+        auto& memory = *zone.GetMemory();
+
+        // No compilers yet
+    }
+
+    void ConfigurePostProcessors(AssetCreatorCollection& collection, Zone& zone, ISearchPath& searchPath, const fs::path& outDir)
+    {
+        auto& memory = *zone.GetMemory();
+
+        collection.AddAssetPostProcessor(std::make_unique<ImageIwdPostProcessor<AssetImage>>(searchPath, outDir));
+    }
+} // namespace
+
+void ObjCompiler::ConfigureCreatorCollection(AssetCreatorCollection& collection,
+                                             Zone& zone,
+                                             const ZoneDefinition& zoneDefinition,
+                                             ISearchPath& searchPath,
+                                             IGdtQueryable& gdt,
+                                             const fs::path& outDir,
+                                             const fs::path& cacheDir) const
+{
+    ConfigurePostProcessors(collection, zone, searchPath, outDir);
+}

src/ObjCompiling/Game/T5/ObjCompilerT5.h

@@ -7,6 +7,12 @@ namespace T5
     class ObjCompiler final : public IObjCompiler
     {
     public:
-        void ConfigureCreatorCollection(AssetCreatorCollection& collection, Zone& zone, const ZoneDefinition& zoneDefinition) const override;
+        void ConfigureCreatorCollection(AssetCreatorCollection& collection,
+                                        Zone& zone,
+                                        const ZoneDefinition& zoneDefinition,
+                                        ISearchPath& searchPath,
+                                        IGdtQueryable& gdt,
+                                        const std::filesystem::path& outDir,
+                                        const std::filesystem::path& cacheDir) const override;
     };
 } // namespace T5

src/ObjCompiling/Game/T6/ObjCompilerT6.cpp

@@ -1,7 +1,37 @@
 #include "ObjCompilerT6.h"
 
 #include "Game/T6/T6.h"
+#include "Image/ImageIwdPostProcessor.h"
+
+#include <memory>
 
 using namespace T6;
+namespace fs = std::filesystem;
 
-void ObjCompiler::ConfigureCreatorCollection(AssetCreatorCollection& collection, Zone& zone, const ZoneDefinition& zoneDefinition) const {}
+namespace
+{
+    void ConfigureCompilers(AssetCreatorCollection& collection, Zone& zone, ISearchPath& searchPath)
+    {
+        auto& memory = *zone.GetMemory();
+
+        // No compilers yet
+    }
+
+    void ConfigurePostProcessors(AssetCreatorCollection& collection, Zone& zone, ISearchPath& searchPath, const fs::path& outDir)
+    {
+        auto& memory = *zone.GetMemory();
+
+        collection.AddAssetPostProcessor(std::make_unique<ImageIwdPostProcessor<AssetImage>>(searchPath, outDir));
+    }
+} // namespace
+
+void ObjCompiler::ConfigureCreatorCollection(AssetCreatorCollection& collection,
+                                             Zone& zone,
+                                             const ZoneDefinition& zoneDefinition,
+                                             ISearchPath& searchPath,
+                                             IGdtQueryable& gdt,
+                                             const fs::path& outDir,
+                                             const fs::path& cacheDir) const
+{
+    ConfigurePostProcessors(collection, zone, searchPath, outDir);
+}

src/ObjCompiling/Game/T6/ObjCompilerT6.h

@@ -7,6 +7,12 @@ namespace T6
     class ObjCompiler final : public IObjCompiler
     {
     public:
-        void ConfigureCreatorCollection(AssetCreatorCollection& collection, Zone& zone, const ZoneDefinition& zoneDefinition) const override;
+        void ConfigureCreatorCollection(AssetCreatorCollection& collection,
+                                        Zone& zone,
+                                        const ZoneDefinition& zoneDefinition,
+                                        ISearchPath& searchPath,
+                                        IGdtQueryable& gdt,
+                                        const std::filesystem::path& outDir,
+                                        const std::filesystem::path& cacheDir) const override;
     };
 } // namespace T6

src/ObjCompiling/IObjCompiler.h

@@ -1,11 +1,13 @@
 #pragma once
 
 #include "Asset/AssetCreatorCollection.h"
+#include "Gdt/IGdtQueryable.h"
 #include "SearchPath/ISearchPath.h"
 #include "Zone/Definition/ZoneDefinition.h"
 #include "Zone/Zone.h"
 
 #include <cstdint>
+#include <filesystem>
 #include <string>
 
 class IObjCompiler
@@ -18,7 +20,13 @@ public:
     IObjCompiler& operator=(const IObjCompiler& other) = default;
     IObjCompiler& operator=(IObjCompiler&& other) noexcept = default;
 
-    virtual void ConfigureCreatorCollection(AssetCreatorCollection& collection, Zone& zone, const ZoneDefinition& zoneDefinition) const = 0;
+    virtual void ConfigureCreatorCollection(AssetCreatorCollection& collection,
+                                            Zone& zone,
+                                            const ZoneDefinition& zoneDefinition,
+                                            ISearchPath& searchPath,
+                                            IGdtQueryable& gdt,
+                                            const std::filesystem::path& outDir,
+                                            const std::filesystem::path& cacheDir) const = 0;
 
     static const IObjCompiler* GetObjCompilerForGame(GameId game);
 };

src/ObjCompiling/Image/IPak/IPakCreator.cpp

@@ -0,0 +1,17 @@
+#include "IPakCreator.h"
+
+#include <format>
+#include <iostream>
+
+void IPakCreator::AddImage(std::string imageName)
+{
+    m_image_names.emplace_back(std::move(imageName));
+}
+
+void IPakCreator::Finalize(ISearchPath& searchPath, const std::filesystem::path& outPath)
+{
+    std::cout << std::format("Creating ipak with {} entries:\n", m_image_names.size());
+
+    for (const auto& imageName : m_image_names)
+        std::cout << std::format("  {}\n", imageName);
+}

src/ObjCompiling/Image/IPak/IPakCreator.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "Asset/IZoneAssetLoaderState.h"
+#include "SearchPath/ISearchPath.h"
+
+#include <filesystem>
+
+class IPakCreator : public IZoneAssetLoaderState
+{
+public:
+    void AddImage(std::string imageName);
+    void Finalize(ISearchPath& searchPath, const std::filesystem::path& outPath);
+
+private:
+    std::vector<std::string> m_image_names;
+};

src/ObjCompiling/Image/ImageIPakPostProcessor.cpp

@@ -0,0 +1,25 @@
+#include "ImageIPakPostProcessor.h"
+
+#include "IPak/IPakCreator.h"
+
+#include <format>
+
+AbstractImageIPakPostProcessor::AbstractImageIPakPostProcessor(ISearchPath& searchPath, const std::filesystem::path& outDir)
+    : m_search_path(searchPath),
+      m_out_dir(outDir)
+{
+}
+
+void AbstractImageIPakPostProcessor::PostProcessAsset(XAssetInfoGeneric& assetInfo, AssetCreationContext& context)
+{
+    if (assetInfo.m_name.empty() || assetInfo.m_name[0] == ',')
+        return;
+
+    auto* ipakCreator = context.GetZoneAssetLoaderState<IPakCreator>();
+    ipakCreator->AddImage(assetInfo.m_name);
+}
+
+void AbstractImageIPakPostProcessor::FinalizeZone(AssetCreationContext& context)
+{
+    context.GetZoneAssetLoaderState<IPakCreator>()->Finalize(m_search_path, m_out_dir);
+}

src/ObjCompiling/Image/ImageIPakPostProcessor.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include "Asset/IAssetPostProcessor.h"
+
+#include <filesystem>
+
+class AbstractImageIPakPostProcessor : public IAssetPostProcessor
+{
+public:
+    AbstractImageIPakPostProcessor(ISearchPath& searchPath, const std::filesystem::path& outDir);
+
+    void PostProcessAsset(XAssetInfoGeneric& assetInfo, AssetCreationContext& context) override;
+    void FinalizeZone(AssetCreationContext& context) override;
+
+private:
+    ISearchPath& m_search_path;
+    const std::filesystem::path& m_out_dir;
+};
+
+template<typename AssetType> class ImageIPakPostProcessor final : public AbstractImageIPakPostProcessor
+{
+public:
+    static_assert(std::is_base_of_v<IAssetBase, AssetType>);
+
+    ImageIPakPostProcessor(ISearchPath& searchPath, const std::filesystem::path& outDir)
+        : AbstractImageIPakPostProcessor(searchPath, outDir)
+    {
+    }
+
+    [[nodiscard]] asset_type_t GetHandlingAssetType() const override
+    {
+        return AssetType::EnumEntry;
+    };
+};

src/ObjCompiling/Image/ImageIwdPostProcessor.cpp

@@ -0,0 +1,25 @@
+#include "ImageIwdPostProcessor.h"
+
+#include "Iwd/IwdCreator.h"
+
+#include <format>
+
+AbstractImageIwdPostProcessor::AbstractImageIwdPostProcessor(ISearchPath& searchPath, const std::filesystem::path& outDir)
+    : m_search_path(searchPath),
+      m_out_dir(outDir)
+{
+}
+
+void AbstractImageIwdPostProcessor::PostProcessAsset(XAssetInfoGeneric& assetInfo, AssetCreationContext& context)
+{
+    if (assetInfo.m_name.empty() || assetInfo.m_name[0] == ',')
+        return;
+
+    auto* iwdCreator = context.GetZoneAssetLoaderState<IwdCreator>();
+    iwdCreator->AddFile(std::format("images/{}.iwi", assetInfo.m_name));
+}
+
+void AbstractImageIwdPostProcessor::FinalizeZone(AssetCreationContext& context)
+{
+    context.GetZoneAssetLoaderState<IwdCreator>()->Finalize(m_search_path, m_out_dir);
+}

src/ObjCompiling/Image/ImageIwdPostProcessor.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include "Asset/IAssetPostProcessor.h"
+
+#include <filesystem>
+
+class AbstractImageIwdPostProcessor : public IAssetPostProcessor
+{
+public:
+    AbstractImageIwdPostProcessor(ISearchPath& searchPath, const std::filesystem::path& outDir);
+
+    void PostProcessAsset(XAssetInfoGeneric& assetInfo, AssetCreationContext& context) override;
+    void FinalizeZone(AssetCreationContext& context) override;
+
+private:
+    ISearchPath& m_search_path;
+    const std::filesystem::path& m_out_dir;
+};
+
+template<typename AssetType> class ImageIwdPostProcessor final : public AbstractImageIwdPostProcessor
+{
+public:
+    static_assert(std::is_base_of_v<IAssetBase, AssetType>);
+
+    ImageIwdPostProcessor(ISearchPath& searchPath, const std::filesystem::path& outDir)
+        : AbstractImageIwdPostProcessor(searchPath, outDir)
+    {
+    }
+
+    [[nodiscard]] asset_type_t GetHandlingAssetType() const override
+    {
+        return AssetType::EnumEntry;
+    };
+};

src/ObjCompiling/Iwd/IwdCreator.cpp

@@ -0,0 +1,17 @@
+#include "IwdCreator.h"
+
+#include <format>
+#include <iostream>
+
+void IwdCreator::AddFile(std::string filePath)
+{
+    m_file_paths.emplace_back(std::move(filePath));
+}
+
+void IwdCreator::Finalize(ISearchPath& searchPath, const std::filesystem::path& outPath)
+{
+    std::cout << std::format("Creating iwd with {} entries:\n", m_file_paths.size());
+
+    for (const auto& filePath : m_file_paths)
+        std::cout << std::format("  {}\n", filePath);
+}

src/ObjCompiling/Iwd/IwdCreator.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "Asset/IZoneAssetLoaderState.h"
+#include "SearchPath/ISearchPath.h"
+
+#include <filesystem>
+
+class IwdCreator : public IZoneAssetLoaderState
+{
+public:
+    void AddFile(std::string filePath);
+    void Finalize(ISearchPath& searchPath, const std::filesystem::path& outPath);
+
+private:
+    std::vector<std::string> m_file_paths;
+};

src/ObjLoading/Asset/AssetCreatorCollection.cpp

@@ -5,6 +5,7 @@
 AssetCreatorCollection::AssetCreatorCollection(const Zone& zone)
 {
     m_asset_creators_by_type.resize(zone.m_pools->GetAssetTypeCount());
+    m_asset_post_processors_by_type.resize(zone.m_pools->GetAssetTypeCount());
     m_default_asset_creators_by_type.resize(zone.m_pools->GetAssetTypeCount());
 }
 
@@ -18,6 +19,16 @@ void AssetCreatorCollection::AddAssetCreator(std::unique_ptr<IAssetCreator> crea
     m_asset_creators.emplace_back(std::move(creator));
 }
 
+void AssetCreatorCollection::AddAssetPostProcessor(std::unique_ptr<IAssetPostProcessor> postProcessor)
+{
+    const auto handlingAssetType = postProcessor->GetHandlingAssetType();
+    assert(static_cast<unsigned>(handlingAssetType) < m_asset_post_processors_by_type.size());
+    if (static_cast<unsigned>(handlingAssetType) < m_asset_post_processors_by_type.size())
+        m_asset_post_processors_by_type[static_cast<unsigned>(handlingAssetType)].emplace_back(postProcessor.get());
+
+    m_asset_post_processors.emplace_back(std::move(postProcessor));
+}
+
 void AssetCreatorCollection::AddDefaultAssetCreator(std::unique_ptr<IDefaultAssetCreator> defaultAssetCreator)
 {
     const auto handlingAssetType = defaultAssetCreator->GetHandlingAssetType();
@@ -38,9 +49,20 @@ AssetCreationResult AssetCreatorCollection::CreateAsset(const asset_type_t asset
         {
             const auto result = creator->CreateAsset(assetName, context);
             if (result.HasTakenAction())
+            {
+                // Post process asset if creation was successful
+                if (result.HasBeenSuccessful())
+                {
+                    assert(static_cast<unsigned>(assetType) < m_asset_post_processors_by_type.size());
+                    for (auto* postProcessor : m_asset_post_processors_by_type[assetType])
+                        postProcessor->PostProcessAsset(*result.GetAssetInfo(), context);
+                }
+
+                // Return result that was either successful or failed
                 return result;
             }
         }
+    }
 
     return AssetCreationResult::NoAction();
 }
@@ -61,4 +83,6 @@ void AssetCreatorCollection::FinalizeZone(AssetCreationContext& context) const
 {
     for (const auto& creator : m_asset_creators)
         creator->FinalizeZone(context);
+    for (const auto& postProcessor : m_asset_post_processors)
+        postProcessor->FinalizeZone(context);
 }

src/ObjLoading/Asset/AssetCreatorCollection.h

@@ -3,13 +3,16 @@
 #include "AssetCreationContext.h"
 #include "Game/IGame.h"
 #include "IAssetCreator.h"
+#include "IAssetPostProcessor.h"
 #include "IDefaultAssetCreator.h"
 #include "Zone/ZoneTypes.h"
 
 #include <memory>
+#include <vector>
 
 class AssetCreationContext;
 class IAssetCreator;
+class IAssetPostProcessor;
 class AssetCreationResult;
 class IDefaultAssetCreator;
 
@@ -19,6 +22,7 @@ public:
     explicit AssetCreatorCollection(const Zone& zone);
 
     void AddAssetCreator(std::unique_ptr<IAssetCreator> creator);
+    void AddAssetPostProcessor(std::unique_ptr<IAssetPostProcessor> postProcessor);
     void AddDefaultAssetCreator(std::unique_ptr<IDefaultAssetCreator> defaultAssetCreator);
 
     AssetCreationResult CreateAsset(asset_type_t assetType, const std::string& assetName, AssetCreationContext& context) const;
@@ -27,6 +31,8 @@ public:
 
 private:
     std::vector<std::vector<IAssetCreator*>> m_asset_creators_by_type;
-    std::vector<std::unique_ptr<IDefaultAssetCreator>> m_default_asset_creators_by_type;
     std::vector<std::unique_ptr<IAssetCreator>> m_asset_creators;
+    std::vector<std::vector<IAssetPostProcessor*>> m_asset_post_processors_by_type;
+    std::vector<std::unique_ptr<IAssetPostProcessor>> m_asset_post_processors;
+    std::vector<std::unique_ptr<IDefaultAssetCreator>> m_default_asset_creators_by_type;
 };

src/ObjLoading/Asset/IAssetPostProcessor.h

@@ -0,0 +1,29 @@
+#pragma once
+
+#include "AssetCreationContext.h"
+#include "AssetCreationResult.h"
+#include "Game/IAsset.h"
+#include "Pool/XAssetInfo.h"
+#include "SearchPath/ISearchPath.h"
+#include "Utils/MemoryManager.h"
+#include "Zone/ZoneTypes.h"
+
+#include <optional>
+#include <string>
+
+class AssetCreationContext;
+
+class IAssetPostProcessor
+{
+public:
+    IAssetPostProcessor() = default;
+    virtual ~IAssetPostProcessor() = default;
+    IAssetPostProcessor(const IAssetPostProcessor& other) = default;
+    IAssetPostProcessor(IAssetPostProcessor&& other) noexcept = default;
+    IAssetPostProcessor& operator=(const IAssetPostProcessor& other) = default;
+    IAssetPostProcessor& operator=(IAssetPostProcessor&& other) noexcept = default;
+
+    [[nodiscard]] virtual asset_type_t GetHandlingAssetType() const = 0;
+    virtual void PostProcessAsset(XAssetInfoGeneric& assetInfo, AssetCreationContext& context) = 0;
+    virtual void FinalizeZone(AssetCreationContext& context){};
+};