Merge pull request #272 from Laupetin/feature/iwi-converter

feat: iwi converter tool

premake5.lua

@@ -112,6 +112,7 @@ group ""
 -- ========================
 include "src/Common.lua"
 include "src/Crypto.lua"
+include "src/ImageConverter.lua"
 include "src/Linker.lua"
 include "src/Parser.lua"
 include "src/RawTemplater.lua"
@@ -125,6 +126,7 @@ include "src/ZoneLoading.lua"
 include "src/ZoneWriting.lua"
 include "src/ZoneCommon.lua"
 include "src/ObjCommon.lua"
+include "src/ObjImage.lua"
 include "src/ObjLoading.lua"
 include "src/ObjWriting.lua"
 include "tools/scripts/raw.lua"
@@ -141,6 +143,7 @@ group "Components"
     ZoneLoading:project()
     ZoneWriting:project()
     ObjCommon:project()
+    ObjImage:project()
     ObjLoading:project()
     ObjWriting:project()
 group ""
@@ -155,6 +158,7 @@ group ""
 group "Tools"
     Linker:project()
     Unlinker:project()
+    ImageConverter:project()
 group ""
 
 group "Raw"

src/Common/Game/IW3/IW3.h

@@ -4,7 +4,6 @@
 
 // #include <d3d9.h>
 #include "Game/IAsset.h"
-#include "Image/Texture.h"
 
 #include "IW3_Assets.h"
 

src/Common/Game/IW3/IW3_Assets.h

@@ -1326,7 +1326,6 @@ namespace IW3
         // void/*IDirect3DTexture9*/* map;
         // void/*IDirect3DVolumeTexture9*/* volmap;
         // void/*IDirect3DCubeTexture9*/* cubemap;
-        Texture* texture;
         GfxImageLoadDef* loadDef;
     };
 

src/Common/Game/IW4/CommonIW4.cpp

@@ -2,6 +2,8 @@
 
 #include "Utils/Pack.h"
 
+#include <cctype>
+
 using namespace IW4;
 
 int Common::StringTable_HashString(const char* str)

src/Common/Game/IW4/IW4.h

@@ -4,7 +4,6 @@
 
 // #include <d3d9.h>
 #include "Game/IAsset.h"
-#include "Image/Texture.h"
 
 #include "IW4_Assets.h"
 

src/Common/Game/IW4/IW4_Assets.h

@@ -1009,7 +1009,6 @@ namespace IW4
         // IDirect3DTexture9* map;
         // IDirect3DVolumeTexture9* volmap;
         // IDirect3DCubeTexture9* cubemap;
-        Texture* texture;
         GfxImageLoadDef* loadDef;
     };
 

src/Common/Game/IW5/CommonIW5.cpp

@@ -2,6 +2,8 @@
 
 #include "Utils/Pack.h"
 
+#include <cctype>
+
 using namespace IW5;
 
 int Common::StringTable_HashString(const char* str)

src/Common/Game/IW5/IW5.h

@@ -4,7 +4,6 @@
 
 // #include <d3d9.h>
 #include "Game/IAsset.h"
-#include "Image/Texture.h"
 
 #include "IW5_Assets.h"
 

src/Common/Game/IW5/IW5_Assets.h

@@ -1143,9 +1143,6 @@ namespace IW5
         // IDirect3DTexture9* map;
         // IDirect3DVolumeTexture9* volmap;
         // IDirect3DCubeTexture9* cubemap;
-#ifndef __ida
-        Texture* texture;
-#endif
         GfxImageLoadDef* loadDef;
     };
 

src/Common/Game/T5/T5.h

@@ -4,7 +4,6 @@
 
 // #include <d3d9.h>
 #include "Game/IAsset.h"
-#include "Image/Texture.h"
 
 #include "T5_Assets.h"
 

src/Common/Game/T5/T5_Assets.h

@@ -1024,7 +1024,6 @@ namespace T5
         // IDirect3DTexture9* map;
         // IDirect3DVolumeTexture9* volmap;
         // IDirect3DCubeTexture9* cubemap;
-        Texture* texture;
         GfxImageLoadDef* loadDef;
     };
 

src/Common/Game/T6/CommonT6.cpp

@@ -2,62 +2,8 @@
 
 #include "Utils/Pack.h"
 
-#include <cctype>
-
 using namespace T6;
 
-int Common::Com_HashKey(const char* str, const int maxLen)
-{
-    if (str == nullptr)
-        return 0;
-
-    int hash = 0;
-    for (int i = 0; i < maxLen; i++)
-    {
-        if (str[i] == '\0')
-            break;
-
-        hash += str[i] * (0x77 + i);
-    }
-
-    return hash ^ ((hash ^ (hash >> 10)) >> 10);
-}
-
-int Common::Com_HashString(const char* str)
-{
-    if (!str)
-        return 0;
-
-    auto result = 0x1505;
-    auto offset = 0;
-    while (str[offset])
-    {
-        const auto c = tolower(str[offset++]);
-        result = c + 33 * result;
-    }
-
-    return result;
-}
-
-int Common::Com_HashString(const char* str, const int len)
-{
-    if (!str)
-        return 0;
-
-    int result = 0x1505;
-    int offset = 0;
-    while (str[offset])
-    {
-        if (len > 0 && offset >= len)
-            break;
-
-        const int c = tolower(str[offset++]);
-        result = c + 33 * result;
-    }
-
-    return result;
-}
-
 PackedTexCoords Common::Vec2PackTexCoords(const float (&in)[2])
 {
     return PackedTexCoords{pack32::Vec2PackTexCoordsUV(in)};

src/Common/Game/T6/CommonT6.h

@@ -2,14 +2,64 @@
 
 #include "T6.h"
 
+#include <cctype>
+
 namespace T6
 {
     class Common
     {
     public:
-        static int Com_HashKey(const char* str, int maxLen);
-        static int Com_HashString(const char* str);
-        static int Com_HashString(const char* str, int len);
+        static constexpr int Com_HashKey(const char* str, const int maxLen)
+        {
+            if (str == nullptr)
+                return 0;
+
+            int hash = 0;
+            for (int i = 0; i < maxLen; i++)
+            {
+                if (str[i] == '\0')
+                    break;
+
+                hash += str[i] * (0x77 + i);
+            }
+
+            return hash ^ ((hash ^ (hash >> 10)) >> 10);
+        }
+
+        static constexpr int Com_HashString(const char* str)
+        {
+            if (!str)
+                return 0;
+
+            auto result = 0x1505;
+            auto offset = 0;
+            while (str[offset])
+            {
+                const auto c = tolower(str[offset++]);
+                result = c + 33 * result;
+            }
+
+            return result;
+        }
+
+        static constexpr int Com_HashString(const char* str, const int len)
+        {
+            if (!str)
+                return 0;
+
+            int result = 0x1505;
+            int offset = 0;
+            while (str[offset])
+            {
+                if (len > 0 && offset >= len)
+                    break;
+
+                const int c = tolower(str[offset++]);
+                result = c + 33 * result;
+            }
+
+            return result;
+        }
 
         static constexpr uint32_t R_HashString(const char* str, uint32_t hash)
         {

src/Common/Game/T6/T6.h

@@ -4,7 +4,6 @@
 
 // #include <d3d11.h>
 #include "Game/IAsset.h"
-#include "Image/Texture.h"
 
 #include "T6_Assets.h"
 

src/Common/Game/T6/T6_Assets.h

@@ -848,7 +848,6 @@ namespace T6
     union GfxTexture
     {
         void /*ID3D11ShaderResourceView*/* basemap;
-        Texture* texture;
         GfxImageLoadDef* loadDef;
     };
 

src/Common/Image/Texture.h

@@ -1,127 +0,0 @@
-#pragma once
-#include "ImageFormat.h"
-
-#include <cstdint>
-
-enum class TextureType
-{
-    T_2D,
-    T_CUBE,
-    T_3D
-};
-
-class Texture
-{
-protected:
-    const ImageFormat* m_format;
-    bool m_has_mip_maps;
-    uint8_t* m_data;
-
-    Texture(const ImageFormat* format, bool mipMaps);
-    Texture(Texture&& other) noexcept;
-
-    Texture& operator=(Texture&& other) noexcept;
-
-public:
-    Texture(const Texture& other) = delete;
-    virtual ~Texture();
-
-    Texture& operator=(const Texture& other) = delete;
-
-    virtual TextureType GetTextureType() const = 0;
-    const ImageFormat* GetFormat() const;
-
-    virtual unsigned GetWidth() const = 0;
-    virtual unsigned GetHeight() const = 0;
-    virtual unsigned GetDepth() const = 0;
-    virtual int GetFaceCount() const = 0;
-
-    void Allocate();
-    bool Empty() const;
-
-    virtual size_t GetSizeOfMipLevel(int mipLevel) const = 0;
-    virtual uint8_t* GetBufferForMipLevel(int mipLevel, int face) = 0;
-    uint8_t* GetBufferForMipLevel(int mipLevel);
-
-    bool HasMipMaps() const;
-    virtual int GetMipMapCount() const = 0;
-};
-
-class Texture2D : public Texture
-{
-protected:
-    unsigned m_width;
-    unsigned m_height;
-
-public:
-    Texture2D(const ImageFormat* format, unsigned width, unsigned height);
-    Texture2D(const ImageFormat* format, unsigned width, unsigned height, bool mipMaps);
-    Texture2D(const Texture2D& other) = delete;
-    Texture2D(Texture2D&& other) noexcept;
-    ~Texture2D() override;
-
-    Texture2D& operator=(const Texture2D& other) = delete;
-    Texture2D& operator=(Texture2D&& other) noexcept;
-
-    TextureType GetTextureType() const override;
-
-    unsigned GetWidth() const override;
-    unsigned GetHeight() const override;
-    unsigned GetDepth() const override;
-    int GetFaceCount() const override;
-
-    size_t GetSizeOfMipLevel(int mipLevel) const override;
-    uint8_t* GetBufferForMipLevel(int mipLevel, int face) override;
-
-    int GetMipMapCount() const override;
-};
-
-class TextureCube final : public Texture2D
-{
-    static const int FACE_COUNT;
-
-public:
-    TextureCube(const ImageFormat* format, unsigned width, unsigned height);
-    TextureCube(const ImageFormat* format, unsigned width, unsigned height, bool mipMaps);
-    TextureCube(const TextureCube& other) = delete;
-    TextureCube(TextureCube&& other) noexcept;
-    ~TextureCube() override;
-
-    TextureCube& operator=(const TextureCube& other) = delete;
-    TextureCube& operator=(TextureCube&& other) noexcept;
-
-    TextureType GetTextureType() const override;
-
-    int GetFaceCount() const override;
-
-    uint8_t* GetBufferForMipLevel(int mipLevel, int face) override;
-};
-
-class Texture3D final : public Texture
-{
-    unsigned m_width;
-    unsigned m_height;
-    unsigned m_depth;
-
-public:
-    Texture3D(const ImageFormat* format, unsigned width, unsigned height, unsigned depth);
-    Texture3D(const ImageFormat* format, unsigned width, unsigned height, unsigned depth, bool mipMaps);
-    Texture3D(const Texture3D& other) = delete;
-    Texture3D(Texture3D&& other) noexcept;
-    ~Texture3D() override;
-
-    Texture3D& operator=(const Texture3D& other) = delete;
-    Texture3D& operator=(Texture3D&& other) noexcept;
-
-    TextureType GetTextureType() const override;
-
-    unsigned GetWidth() const override;
-    unsigned GetHeight() const override;
-    unsigned GetDepth() const override;
-    int GetFaceCount() const override;
-
-    size_t GetSizeOfMipLevel(int mipLevel) const override;
-    uint8_t* GetBufferForMipLevel(int mipLevel, int face) override;
-
-    int GetMipMapCount() const override;
-};

src/ImageConverter.lua

@@ -0,0 +1,48 @@
+ImageConverter = {}
+
+function ImageConverter:include(includes)
+	if includes:handle(self:name()) then
+		includedirs {
+			path.join(ProjectFolder(), "ImageConverter")
+		}
+	end
+end
+
+function ImageConverter:link(links)
+    
+end
+
+function ImageConverter:use()
+    dependson(self:name())
+end
+
+function ImageConverter:name()
+	return "ImageConverter"
+end
+
+function ImageConverter:project()
+	local folder = ProjectFolder()
+	local includes = Includes:create()
+	local links = Links:create()
+
+	project(self:name())
+        targetdir(TargetDirectoryBin)
+		location "%{wks.location}/src/%{prj.name}"
+		kind "ConsoleApp"
+		language "C++"
+		
+		files {
+			path.join(folder, "ImageConverter/**.h"), 
+			path.join(folder, "ImageConverter/**.cpp") 
+		}
+		
+		self:include(includes)
+		Utils:include(includes)
+        ObjImage:include(includes)
+
+		Raw:use()
+
+		links:linkto(Utils)
+		links:linkto(ObjImage)
+		links:linkall()
+end

src/ImageConverter/ImageConverter.cpp

@@ -0,0 +1,202 @@
+#include "ImageConverter.h"
+
+#include "Image/DdsLoader.h"
+#include "Image/DdsWriter.h"
+#include "Image/IwiLoader.h"
+#include "Image/IwiWriter13.h"
+#include "Image/IwiWriter27.h"
+#include "Image/IwiWriter6.h"
+#include "Image/IwiWriter8.h"
+#include "Image/Texture.h"
+#include "ImageConverterArgs.h"
+#include "Utils/StringUtils.h"
+
+#include <assert.h>
+#include <filesystem>
+#include <format>
+#include <fstream>
+#include <iostream>
+
+namespace fs = std::filesystem;
+
+namespace image_converter
+{
+    constexpr auto EXTENSION_IWI = ".iwi";
+    constexpr auto EXTENSION_DDS = ".dds";
+
+    class ImageConverterImpl final : public ImageConverter
+    {
+    public:
+        ImageConverterImpl()
+            : m_game_to_convert_to(image_converter::Game::UNKNOWN)
+        {
+        }
+
+        bool Start(const int argc, const char** argv) override
+        {
+            auto shouldContinue = true;
+            if (!m_args.ParseArgs(argc, argv, shouldContinue))
+                return false;
+
+            if (!shouldContinue)
+                return true;
+
+            m_game_to_convert_to = m_args.m_game_to_convert_to;
+
+            for (const auto& file : m_args.m_files_to_convert)
+                Convert(file);
+
+            return true;
+        }
+
+    private:
+        void Convert(const std::string& file)
+        {
+            const fs::path filePath(file);
+            auto extension = filePath.extension().string();
+            utils::MakeStringLowerCase(extension);
+
+            if (extension == EXTENSION_IWI)
+                ConvertIwi(filePath);
+            else if (extension == EXTENSION_DDS)
+                ConvertDds(filePath);
+            else
+                std::cerr << std::format("Unsupported extension {}\n", extension);
+        }
+
+        bool ConvertIwi(const fs::path& iwiPath)
+        {
+            std::ifstream file(iwiPath, std::ios::in | std::ios::binary);
+            if (!file.is_open())
+            {
+                std::cerr << std::format("Failed to open input file {}\n", iwiPath.string());
+                return false;
+            }
+
+            const auto texture = iwi::LoadIwi(file);
+            if (!texture)
+                return false;
+
+            auto outPath = iwiPath;
+            outPath.replace_extension(".dds");
+
+            std::ofstream outFile(outPath, std::ios::out | std::ios::binary);
+            if (!outFile.is_open())
+            {
+                std::cerr << std::format("Failed to open output file {}\n", outPath.string());
+                return false;
+            }
+
+            m_dds_writer.DumpImage(outFile, texture.get());
+            return true;
+        }
+
+        bool ConvertDds(const fs::path& ddsPath)
+        {
+            std::ifstream file(ddsPath, std::ios::in | std::ios::binary);
+            if (!file.is_open())
+            {
+                std::cerr << std::format("Failed to open input file {}\n", ddsPath.string());
+                return false;
+            }
+
+            const auto texture = dds::LoadDds(file);
+            if (!texture)
+                return false;
+
+            if (!EnsureIwiWriterIsPresent())
+                return false;
+
+            auto outPath = ddsPath;
+            outPath.replace_extension(".iwi");
+
+            std::ofstream outFile(outPath, std::ios::out | std::ios::binary);
+            if (!outFile.is_open())
+            {
+                std::cerr << std::format("Failed to open output file {}\n", outPath.string());
+                return false;
+            }
+
+            m_iwi_writer->DumpImage(outFile, texture.get());
+            return true;
+        }
+
+        bool EnsureIwiWriterIsPresent()
+        {
+            if (m_iwi_writer)
+                return true;
+
+            if (m_game_to_convert_to == Game::UNKNOWN && !ShowGameTui())
+                return false;
+
+            switch (m_game_to_convert_to)
+            {
+            case Game::IW3:
+                m_iwi_writer = std::make_unique<iwi6::IwiWriter>();
+                break;
+            case Game::IW4:
+            case Game::IW5:
+                m_iwi_writer = std::make_unique<iwi8::IwiWriter>();
+                break;
+            case Game::T5:
+                m_iwi_writer = std::make_unique<iwi13::IwiWriter>();
+                break;
+            case Game::T6:
+                m_iwi_writer = std::make_unique<iwi27::IwiWriter>();
+                break;
+            default:
+                assert(false);
+                return false;
+            }
+
+            return true;
+        }
+
+        bool ShowGameTui()
+        {
+            std::cout << "Select the game to convert to:\n";
+            std::cout << "  1 - Call Of Duty 4: Modern Warfare (IW3)\n";
+            std::cout << "  2 - Call Of Duty: Modern Warfare 2 (IW4)\n";
+            std::cout << "  3 - Call Of Duty: Modern Warfare 3 (IW5)\n";
+            std::cout << "  4 - Call Of Duty: Black Ops (T5)\n";
+            std::cout << "  5 - Call Of Duty: Black Ops 2 (T6)\n";
+
+            unsigned num;
+            std::cin >> num;
+
+            switch (num)
+            {
+            case 1:
+                m_game_to_convert_to = Game::IW3;
+                break;
+            case 2:
+                m_game_to_convert_to = Game::IW4;
+                break;
+            case 3:
+                m_game_to_convert_to = Game::IW5;
+                break;
+            case 4:
+                m_game_to_convert_to = Game::T5;
+                break;
+            case 5:
+                m_game_to_convert_to = Game::T6;
+                break;
+            default:
+                std::cerr << "Invalid input\n";
+                return false;
+            }
+
+            return true;
+        }
+
+        ImageConverterArgs m_args;
+        image_converter::Game m_game_to_convert_to;
+        DdsWriter m_dds_writer;
+        std::unique_ptr<IImageWriter> m_iwi_writer;
+    };
+} // namespace image_converter
+
+std::unique_ptr<ImageConverter> ImageConverter::Create()
+{
+    return std::make_unique<image_converter::ImageConverterImpl>();
+}

src/ImageConverter/ImageConverter.h

@@ -0,0 +1,24 @@
+#pragma once
+#include <memory>
+
+class ImageConverter
+{
+public:
+    ImageConverter() = default;
+    virtual ~ImageConverter() = default;
+
+    ImageConverter(const ImageConverter& other) = delete;
+    ImageConverter(ImageConverter&& other) noexcept = delete;
+    ImageConverter& operator=(const ImageConverter& other) = delete;
+    ImageConverter& operator=(ImageConverter&& other) noexcept = delete;
+
+    /**
+     * \brief Starts the ImageConverter application logic.
+     * \param argc The amount of command line arguments specified.
+     * \param argv The command line arguments.
+     * \return \c true if the application was successful or \c false if an error occurred.
+     */
+    virtual bool Start(int argc, const char** argv) = 0;
+
+    static std::unique_ptr<ImageConverter> Create();
+};

src/ImageConverter/ImageConverterArgs.cpp

@@ -0,0 +1,149 @@
+#include "ImageConverterArgs.h"
+
+#include "GitVersion.h"
+#include "Utils/Arguments/UsageInformation.h"
+
+#include <format>
+#include <iostream>
+#include <type_traits>
+
+// clang-format off
+const CommandLineOption* const OPTION_HELP =
+    CommandLineOption::Builder::Create()
+    .WithShortName("?")
+    .WithLongName("help")
+    .WithDescription("Displays usage information.")
+    .Build();
+
+const CommandLineOption* const OPTION_VERSION =
+    CommandLineOption::Builder::Create()
+    .WithLongName("version")
+    .WithDescription("Prints the application version.")
+    .Build();
+
+const CommandLineOption* const OPTION_VERBOSE =
+    CommandLineOption::Builder::Create()
+    .WithShortName("v")
+    .WithLongName("verbose")
+    .WithDescription("Outputs a lot more and more detailed messages.")
+    .Build();
+
+constexpr auto CATEGORY_GAME = "Game";
+
+const CommandLineOption* const OPTION_GAME_IW3 =
+    CommandLineOption::Builder::Create()
+    .WithLongName("iw3")
+    .WithCategory(CATEGORY_GAME)
+    .WithDescription("Converts images for IW3.")
+    .Build();
+
+const CommandLineOption* const OPTION_GAME_IW4 =
+    CommandLineOption::Builder::Create()
+    .WithLongName("iw4")
+    .WithCategory(CATEGORY_GAME)
+    .WithDescription("Converts images for IW4.")
+    .Build();
+
+const CommandLineOption* const OPTION_GAME_IW5 =
+    CommandLineOption::Builder::Create()
+    .WithLongName("iw5")
+    .WithCategory(CATEGORY_GAME)
+    .WithDescription("Converts images for IW5.")
+    .Build();
+
+const CommandLineOption* const OPTION_GAME_T5 =
+    CommandLineOption::Builder::Create()
+    .WithLongName("t5")
+    .WithCategory(CATEGORY_GAME)
+    .WithDescription("Converts images for T5.")
+    .Build();
+
+const CommandLineOption* const OPTION_GAME_T6 =
+    CommandLineOption::Builder::Create()
+    .WithLongName("t6")
+    .WithCategory(CATEGORY_GAME)
+    .WithDescription("Converts images for T6.")
+    .Build();
+// clang-format on
+
+const CommandLineOption* const COMMAND_LINE_OPTIONS[]{
+    OPTION_HELP,
+    OPTION_VERSION,
+    OPTION_VERBOSE,
+    OPTION_GAME_IW3,
+    OPTION_GAME_IW4,
+    OPTION_GAME_IW5,
+    OPTION_GAME_T5,
+    OPTION_GAME_T6,
+};
+
+ImageConverterArgs::ImageConverterArgs()
+    : m_verbose(false),
+      m_game_to_convert_to(image_converter::Game::UNKNOWN),
+      m_argument_parser(COMMAND_LINE_OPTIONS, std::extent_v<decltype(COMMAND_LINE_OPTIONS)>)
+{
+}
+
+void ImageConverterArgs::PrintUsage()
+{
+    UsageInformation usage("ImageConverter.exe");
+
+    for (const auto* commandLineOption : COMMAND_LINE_OPTIONS)
+    {
+        usage.AddCommandLineOption(commandLineOption);
+    }
+
+    usage.AddArgument("fileToConvert");
+    usage.SetVariableArguments(true);
+
+    usage.Print();
+}
+
+void ImageConverterArgs::PrintVersion()
+{
+    std::cout << std::format("OpenAssetTools ImageConverter {}\n", GIT_VERSION);
+}
+
+void ImageConverterArgs::SetVerbose(const bool isVerbose)
+{
+    m_verbose = isVerbose;
+}
+
+bool ImageConverterArgs::ParseArgs(const int argc, const char** argv, bool& shouldContinue)
+{
+    shouldContinue = true;
+    if (!m_argument_parser.ParseArguments(argc, argv))
+    {
+        PrintUsage();
+        return false;
+    }
+
+    // Check if the user requested help
+    if (m_argument_parser.IsOptionSpecified(OPTION_HELP))
+    {
+        PrintUsage();
+        shouldContinue = false;
+        return true;
+    }
+
+    // Check if the user wants to see the version
+    if (m_argument_parser.IsOptionSpecified(OPTION_VERSION))
+    {
+        PrintVersion();
+        shouldContinue = false;
+        return true;
+    }
+
+    m_files_to_convert = m_argument_parser.GetArguments();
+    if (m_files_to_convert.empty())
+    {
+        // No files to convert specified...
+        PrintUsage();
+        return false;
+    }
+
+    // -v; --verbose
+    SetVerbose(m_argument_parser.IsOptionSpecified(OPTION_VERBOSE));
+
+    return true;
+}

src/ImageConverter/ImageConverterArgs.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include "Utils/Arguments/ArgumentParser.h"
+
+#include <cstdint>
+#include <string>
+#include <vector>
+
+namespace image_converter
+{
+    enum class Game : std::uint8_t
+    {
+        UNKNOWN,
+        IW3,
+        IW4,
+        IW5,
+        T5,
+        T6
+    };
+} // namespace image_converter
+
+class ImageConverterArgs
+{
+public:
+    ImageConverterArgs();
+    bool ParseArgs(int argc, const char** argv, bool& shouldContinue);
+
+    bool m_verbose;
+    std::vector<std::string> m_files_to_convert;
+    image_converter::Game m_game_to_convert_to;
+
+private:
+    /**
+     * \brief Prints a command line usage help text for the ImageConverter tool to stdout.
+     */
+    static void PrintUsage();
+    static void PrintVersion();
+
+    void SetVerbose(bool isVerbose);
+
+    ArgumentParser m_argument_parser;
+};

src/ImageConverter/main.cpp

@@ -0,0 +1,8 @@
+#include "ImageConverter.h"
+
+int main(const int argc, const char** argv)
+{
+    const auto imageConverter = ImageConverter::Create();
+
+    return imageConverter->Start(argc, argv) ? 0 : 1;
+}

src/Linker/Game/IW3/ZoneCreatorIW3.cpp

@@ -79,7 +79,7 @@ std::unique_ptr<Zone> ZoneCreator::CreateZoneForDefinition(ZoneCreationContext&
         context.m_ignored_assets.m_entries.emplace_back(assetEntry.m_asset_type, assetEntry.m_asset_name, assetEntry.m_is_reference);
     }
 
-    const auto assetLoadingContext = std::make_unique<AssetLoadingContext>(zone.get(), context.m_asset_search_path, CreateGdtList(context));
+    const auto assetLoadingContext = std::make_unique<AssetLoadingContext>(*zone, *context.m_asset_search_path, CreateGdtList(context));
     if (!CreateIgnoredAssetMap(context, assetLoadingContext->m_ignored_asset_map))
         return nullptr;
 
@@ -92,11 +92,11 @@ std::unique_ptr<Zone> ZoneCreator::CreateZoneForDefinition(ZoneCreationContext&
             return nullptr;
         }
 
-        if (!ObjLoading::LoadAssetForZone(assetLoadingContext.get(), foundAssetTypeEntry->second, assetEntry.m_asset_name))
+        if (!ObjLoading::LoadAssetForZone(*assetLoadingContext, foundAssetTypeEntry->second, assetEntry.m_asset_name))
             return nullptr;
     }
 
-    ObjLoading::FinalizeAssetsForZone(assetLoadingContext.get());
+    ObjLoading::FinalizeAssetsForZone(*assetLoadingContext);
 
     return zone;
 }

src/Linker/Game/IW4/ZoneCreatorIW4.cpp

@@ -78,7 +78,7 @@ std::unique_ptr<Zone> ZoneCreator::CreateZoneForDefinition(ZoneCreationContext&
         context.m_ignored_assets.m_entries.emplace_back(assetEntry.m_asset_type, assetEntry.m_asset_name, assetEntry.m_is_reference);
     }
 
-    const auto assetLoadingContext = std::make_unique<AssetLoadingContext>(zone.get(), context.m_asset_search_path, CreateGdtList(context));
+    const auto assetLoadingContext = std::make_unique<AssetLoadingContext>(*zone, *context.m_asset_search_path, CreateGdtList(context));
     if (!CreateIgnoredAssetMap(context, assetLoadingContext->m_ignored_asset_map))
         return nullptr;
 
@@ -91,11 +91,11 @@ std::unique_ptr<Zone> ZoneCreator::CreateZoneForDefinition(ZoneCreationContext&
             return nullptr;
         }
 
-        if (!ObjLoading::LoadAssetForZone(assetLoadingContext.get(), foundAssetTypeEntry->second, assetEntry.m_asset_name))
+        if (!ObjLoading::LoadAssetForZone(*assetLoadingContext, foundAssetTypeEntry->second, assetEntry.m_asset_name))
             return nullptr;
     }
 
-    ObjLoading::FinalizeAssetsForZone(assetLoadingContext.get());
+    ObjLoading::FinalizeAssetsForZone(*assetLoadingContext);
 
     return zone;
 }

src/Linker/Game/IW5/ZoneCreatorIW5.cpp

@@ -78,7 +78,7 @@ std::unique_ptr<Zone> ZoneCreator::CreateZoneForDefinition(ZoneCreationContext&
         context.m_ignored_assets.m_entries.emplace_back(assetEntry.m_asset_type, assetEntry.m_asset_name, assetEntry.m_is_reference);
     }
 
-    const auto assetLoadingContext = std::make_unique<AssetLoadingContext>(zone.get(), context.m_asset_search_path, CreateGdtList(context));
+    const auto assetLoadingContext = std::make_unique<AssetLoadingContext>(*zone, *context.m_asset_search_path, CreateGdtList(context));
     if (!CreateIgnoredAssetMap(context, assetLoadingContext->m_ignored_asset_map))
         return nullptr;
 
@@ -91,11 +91,11 @@ std::unique_ptr<Zone> ZoneCreator::CreateZoneForDefinition(ZoneCreationContext&
             return nullptr;
         }
 
-        if (!ObjLoading::LoadAssetForZone(assetLoadingContext.get(), foundAssetTypeEntry->second, assetEntry.m_asset_name))
+        if (!ObjLoading::LoadAssetForZone(*assetLoadingContext, foundAssetTypeEntry->second, assetEntry.m_asset_name))
             return nullptr;
     }
 
-    ObjLoading::FinalizeAssetsForZone(assetLoadingContext.get());
+    ObjLoading::FinalizeAssetsForZone(*assetLoadingContext);
 
     return zone;
 }

src/Linker/Game/T5/ZoneCreatorT5.cpp

@@ -79,7 +79,7 @@ std::unique_ptr<Zone> ZoneCreator::CreateZoneForDefinition(ZoneCreationContext&
         context.m_ignored_assets.m_entries.emplace_back(assetEntry.m_asset_type, assetEntry.m_asset_name, assetEntry.m_is_reference);
     }
 
-    const auto assetLoadingContext = std::make_unique<AssetLoadingContext>(zone.get(), context.m_asset_search_path, CreateGdtList(context));
+    const auto assetLoadingContext = std::make_unique<AssetLoadingContext>(*zone, *context.m_asset_search_path, CreateGdtList(context));
     if (!CreateIgnoredAssetMap(context, assetLoadingContext->m_ignored_asset_map))
         return nullptr;
 
@@ -92,11 +92,11 @@ std::unique_ptr<Zone> ZoneCreator::CreateZoneForDefinition(ZoneCreationContext&
             return nullptr;
         }
 
-        if (!ObjLoading::LoadAssetForZone(assetLoadingContext.get(), foundAssetTypeEntry->second, assetEntry.m_asset_name))
+        if (!ObjLoading::LoadAssetForZone(*assetLoadingContext, foundAssetTypeEntry->second, assetEntry.m_asset_name))
             return nullptr;
     }
 
-    ObjLoading::FinalizeAssetsForZone(assetLoadingContext.get());
+    ObjLoading::FinalizeAssetsForZone(*assetLoadingContext);
 
     return zone;
 }

src/Linker/Game/T6/ZoneCreatorT6.cpp

@@ -128,7 +128,7 @@ std::unique_ptr<Zone> ZoneCreator::CreateZoneForDefinition(ZoneCreationContext&
         context.m_ignored_assets.m_entries.emplace_back(assetEntry.m_asset_type, assetEntry.m_asset_name, assetEntry.m_is_reference);
     }
 
-    const auto assetLoadingContext = std::make_unique<AssetLoadingContext>(zone.get(), context.m_asset_search_path, CreateGdtList(context));
+    const auto assetLoadingContext = std::make_unique<AssetLoadingContext>(*zone, *context.m_asset_search_path, CreateGdtList(context));
     if (!CreateIgnoredAssetMap(context, assetLoadingContext->m_ignored_asset_map))
         return nullptr;
 
@@ -143,11 +143,11 @@ std::unique_ptr<Zone> ZoneCreator::CreateZoneForDefinition(ZoneCreationContext&
             return nullptr;
         }
 
-        if (!ObjLoading::LoadAssetForZone(assetLoadingContext.get(), foundAssetTypeEntry->second, assetEntry.m_asset_name))
+        if (!ObjLoading::LoadAssetForZone(*assetLoadingContext, foundAssetTypeEntry->second, assetEntry.m_asset_name))
             return nullptr;
     }
 
-    ObjLoading::FinalizeAssetsForZone(assetLoadingContext.get());
+    ObjLoading::FinalizeAssetsForZone(*assetLoadingContext);
 
     return zone;
 }

src/Linker/LinkerArgs.cpp

@@ -7,6 +7,7 @@
 #include "Utils/FileUtils.h"
 
 #include <filesystem>
+#include <format>
 #include <iostream>
 #include <regex>
 #include <type_traits>
@@ -138,9 +139,9 @@ LinkerArgs::LinkerArgs()
 {
 }
 
-void LinkerArgs::PrintUsage()
+void LinkerArgs::PrintUsage() const
 {
-    UsageInformation usage("Linker.exe");
+    UsageInformation usage(m_argument_parser.GetExecutableName());
 
     for (const auto* commandLineOption : COMMAND_LINE_OPTIONS)
     {
@@ -155,7 +156,7 @@ void LinkerArgs::PrintUsage()
 
 void LinkerArgs::PrintVersion()
 {
-    std::cout << "OpenAssetTools Linker " << std::string(GIT_VERSION) << "\n";
+    std::cout << std::format("OpenAssetTools Linker {}\n", GIT_VERSION);
 }
 
 void LinkerArgs::SetBinFolder(const char* argv0)
@@ -244,7 +245,7 @@ std::set<std::string> LinkerArgs::GetSearchPathsForProject(const std::set<std::s
 bool LinkerArgs::ParseArgs(const int argc, const char** argv, bool& shouldContinue)
 {
     shouldContinue = true;
-    if (!m_argument_parser.ParseArguments(argc - 1, &argv[1]))
+    if (!m_argument_parser.ParseArguments(argc, argv))
     {
         PrintUsage();
         return false;

src/Linker/LinkerArgs.h

@@ -59,7 +59,7 @@ private:
     /**
      * \brief Prints a command line usage help text for the Linker tool to stdout.
      */
-    static void PrintUsage();
+    void PrintUsage() const;
     static void PrintVersion();
 
     void SetBinFolder(const char* argv0);

src/Linker/LinkerSearchPaths.cpp

@@ -5,6 +5,7 @@
 #include "SearchPath/SearchPathFilesystem.h"
 
 #include <filesystem>
+#include <format>
 #include <iostream>
 
 namespace fs = std::filesystem;
@@ -14,21 +15,21 @@ LinkerSearchPaths::LinkerSearchPaths(const LinkerArgs& args)
 {
 }
 
-void LinkerSearchPaths::LoadSearchPath(ISearchPath* searchPath) const
+void LinkerSearchPaths::LoadSearchPath(ISearchPath& searchPath) const
 {
     if (m_args.m_verbose)
     {
-        printf("Loading search path: \"%s\"\n", searchPath->GetPath().c_str());
+        std::cout << std::format("Loading search path: \"{}\"\n", searchPath.GetPath());
     }
 
     ObjLoading::LoadIWDsInSearchPath(searchPath);
 }
 
-void LinkerSearchPaths::UnloadSearchPath(ISearchPath* searchPath) const
+void LinkerSearchPaths::UnloadSearchPath(ISearchPath& searchPath) const
 {
     if (m_args.m_verbose)
     {
-        printf("Unloading search path: \"%s\"\n", searchPath->GetPath().c_str());
+        std::cout << std::format("Unloading search path: \"{}\"\n", searchPath.GetPath());
     }
 
     ObjLoading::UnloadIWDsInSearchPath(searchPath);
@@ -45,15 +46,15 @@ SearchPaths LinkerSearchPaths::GetAssetSearchPathsForProject(const std::string&
         if (!fs::is_directory(absolutePath))
         {
             if (m_args.m_verbose)
-                std::cout << "Adding asset search path (Not found): " << absolutePath.string() << "\n";
+                std::cout << std::format("Adding asset search path (Not found): {}\n", absolutePath.string());
             continue;
         }
 
         if (m_args.m_verbose)
-            std::cout << "Adding asset search path: " << absolutePath.string() << "\n";
+            std::cout << std::format("Adding asset search path: {}\n", absolutePath.string());
 
         auto searchPath = std::make_unique<SearchPathFilesystem>(searchPathStr);
-        LoadSearchPath(searchPath.get());
+        LoadSearchPath(*searchPath);
         searchPathsForProject.IncludeSearchPath(searchPath.get());
         m_loaded_project_search_paths.emplace_back(std::move(searchPath));
     }
@@ -79,12 +80,12 @@ SearchPaths LinkerSearchPaths::GetGdtSearchPathsForProject(const std::string& ga
         if (!fs::is_directory(absolutePath))
         {
             if (m_args.m_verbose)
-                std::cout << "Adding gdt search path (Not found): " << absolutePath.string() << "\n";
+                std::cout << std::format("Adding gdt search path (Not found): {}\n", absolutePath.string());
             continue;
         }
 
         if (m_args.m_verbose)
-            std::cout << "Adding gdt search path: " << absolutePath.string() << "\n";
+            std::cout << std::format("Adding gdt search path: {}\n", absolutePath.string());
 
         searchPathsForProject.CommitSearchPath(std::make_unique<SearchPathFilesystem>(searchPathStr));
     }
@@ -105,12 +106,12 @@ SearchPaths LinkerSearchPaths::GetSourceSearchPathsForProject(const std::string&
         if (!fs::is_directory(absolutePath))
         {
             if (m_args.m_verbose)
-                std::cout << "Adding source search path (Not found): " << absolutePath.string() << "\n";
+                std::cout << std::format("Adding source search path (Not found): {}\n", absolutePath.string());
             continue;
         }
 
         if (m_args.m_verbose)
-            std::cout << "Adding source search path: " << absolutePath.string() << "\n";
+            std::cout << std::format("Adding source search path: {}\n", absolutePath.string());
 
         searchPathsForProject.CommitSearchPath(std::make_unique<SearchPathFilesystem>(searchPathStr));
     }
@@ -129,15 +130,15 @@ bool LinkerSearchPaths::BuildProjectIndependentSearchPaths()
         if (!fs::is_directory(absolutePath))
         {
             if (m_args.m_verbose)
-                std::cout << "Adding asset search path (Not found): " << absolutePath.string() << "\n";
+                std::cout << std::format("Adding asset search path (Not found): {}\n", absolutePath.string());
             continue;
         }
 
         if (m_args.m_verbose)
-            std::cout << "Adding asset search path: " << absolutePath.string() << "\n";
+            std::cout << std::format("Adding asset search path: {}\n", absolutePath.string());
 
         auto searchPath = std::make_unique<SearchPathFilesystem>(absolutePath.string());
-        LoadSearchPath(searchPath.get());
+        LoadSearchPath(*searchPath);
         m_asset_search_paths.CommitSearchPath(std::move(searchPath));
     }
 
@@ -148,12 +149,12 @@ bool LinkerSearchPaths::BuildProjectIndependentSearchPaths()
         if (!fs::is_directory(absolutePath))
         {
             if (m_args.m_verbose)
-                std::cout << "Loading gdt search path (Not found): " << absolutePath.string() << "\n";
+                std::cout << std::format("Loading gdt search path (Not found): {}\n", absolutePath.string());
             continue;
         }
 
         if (m_args.m_verbose)
-            std::cout << "Adding gdt search path: " << absolutePath.string() << "\n";
+            std::cout << std::format("Adding gdt search path: {}\n", absolutePath.string());
 
         m_gdt_search_paths.CommitSearchPath(std::make_unique<SearchPathFilesystem>(absolutePath.string()));
     }
@@ -165,12 +166,12 @@ bool LinkerSearchPaths::BuildProjectIndependentSearchPaths()
         if (!fs::is_directory(absolutePath))
         {
             if (m_args.m_verbose)
-                std::cout << "Loading source search path (Not found): " << absolutePath.string() << "\n";
+                std::cout << std::format("Loading source search path (Not found): {}\n", absolutePath.string());
             continue;
         }
 
         if (m_args.m_verbose)
-            std::cout << "Adding source search path: " << absolutePath.string() << "\n";
+            std::cout << std::format("Adding source search path: {}\n", absolutePath.string());
 
         m_source_search_paths.CommitSearchPath(std::make_unique<SearchPathFilesystem>(absolutePath.string()));
     }
@@ -182,7 +183,7 @@ void LinkerSearchPaths::UnloadProjectSpecificSearchPaths()
 {
     for (const auto& loadedSearchPath : m_loaded_project_search_paths)
     {
-        UnloadSearchPath(loadedSearchPath.get());
+        UnloadSearchPath(*loadedSearchPath);
     }
 
     m_loaded_project_search_paths.clear();

src/Linker/LinkerSearchPaths.h

@@ -14,13 +14,13 @@ public:
      * \brief Loads a search path.
      * \param searchPath The search path to load.
      */
-    void LoadSearchPath(ISearchPath* searchPath) const;
+    void LoadSearchPath(ISearchPath& searchPath) const;
 
     /**
      * \brief Unloads a search path.
      * \param searchPath The search path to unload.
      */
-    void UnloadSearchPath(ISearchPath* searchPath) const;
+    void UnloadSearchPath(ISearchPath& searchPath) const;
 
     SearchPaths GetAssetSearchPathsForProject(const std::string& gameName, const std::string& projectName);
 

src/ObjImage.lua

@@ -0,0 +1,47 @@
+ObjImage = {}
+
+function ObjImage:include(includes)
+	if includes:handle(self:name()) then
+		includedirs {
+			path.join(ProjectFolder(), "ObjImage")
+		}
+	end
+end
+
+function ObjImage:link(links)
+	links:add(self:name())
+	links:linkto(Utils)
+end
+
+function ObjImage:use()
+	
+end
+
+function ObjImage:name()
+	return "ObjImage"
+end
+
+function ObjImage:project()
+	local folder = ProjectFolder()
+	local includes = Includes:create()
+
+	project(self:name())
+        targetdir(TargetDirectoryLib)
+		location "%{wks.location}/src/%{prj.name}"
+		kind "StaticLib"
+		language "C++"
+		
+		files {
+			path.join(folder, "ObjImage/**.h"), 
+			path.join(folder, "ObjImage/**.cpp")
+		}
+		
+        vpaths {
+			["*"] = {
+				path.join(folder, "ObjImage")
+			}
+		}
+		
+		self:include(includes)
+		Utils:include(includes)
+end

src/ObjImage/Image/DdsLoader.cpp

@@ -0,0 +1,271 @@
+#include "DdsLoader.h"
+
+#include "Image/DdsTypes.h"
+#include "Utils/ClassUtils.h"
+#include "Utils/FileUtils.h"
+
+#include <format>
+#include <iostream>
+#include <memory>
+
+namespace dds
+{
+    class DdsLoaderInternal
+    {
+        static constexpr auto DDS_MAGIC = FileUtils::MakeMagic32('D', 'D', 'S', ' ');
+
+        std::istream& m_stream;
+
+        TextureType m_texture_type;
+        bool m_has_mip_maps;
+        size_t m_width;
+        size_t m_height;
+        size_t m_depth;
+        const ImageFormat* m_format;
+
+        _NODISCARD bool ReadMagic() const
+        {
+            uint32_t magic;
+            m_stream.read(reinterpret_cast<char*>(&magic), sizeof(magic));
+            if (m_stream.gcount() != sizeof(magic))
+            {
+                std::cerr << "Failed to read dds data\n";
+                return false;
+            }
+
+            if (magic != DDS_MAGIC)
+            {
+                std::cerr << "Invalid magic for dds\n";
+                return false;
+            }
+
+            return true;
+        }
+
+        _NODISCARD bool ReadDxt10Header()
+        {
+            DDS_HEADER_DXT10 headerDx10{};
+            m_stream.read(reinterpret_cast<char*>(&headerDx10), sizeof(headerDx10));
+            if (m_stream.gcount() != sizeof(headerDx10))
+            {
+                std::cerr << "Failed to read dds data\n";
+                return false;
+            }
+
+            if (headerDx10.resourceDimension == D3D10_RESOURCE_DIMENSION_TEXTURE3D)
+            {
+                m_texture_type = TextureType::T_3D;
+            }
+            else if (headerDx10.resourceDimension == D3D10_RESOURCE_DIMENSION_TEXTURE2D)
+            {
+                if (headerDx10.miscFlag & DDS_RESOURCE_MISC_TEXTURECUBE || headerDx10.arraySize == 6)
+                {
+                    m_texture_type = TextureType::T_CUBE;
+                }
+                else
+                {
+                    m_texture_type = TextureType::T_2D;
+                }
+            }
+            else
+            {
+                std::cerr << std::format("Unsupported dds resourceDimension {}\n", static_cast<unsigned>(headerDx10.resourceDimension));
+                return false;
+            }
+
+            for (const auto* imageFormat : ImageFormat::ALL_FORMATS)
+            {
+                if (imageFormat->GetDxgiFormat() == headerDx10.dxgiFormat)
+                {
+                    m_format = imageFormat;
+                    return true;
+                }
+            }
+
+            std::cerr << std::format("Unsupported dds dxgi format {}\n", static_cast<unsigned>(headerDx10.dxgiFormat));
+            return false;
+        }
+
+        _NODISCARD bool ReadPixelFormatFourCc(DDS_PIXELFORMAT& pf)
+        {
+            switch (pf.dwFourCC)
+            {
+            case FileUtils::MakeMagic32('D', 'X', 'T', '1'):
+                m_format = &ImageFormat::FORMAT_BC1;
+                return true;
+
+            case FileUtils::MakeMagic32('D', 'X', 'T', '3'):
+                m_format = &ImageFormat::FORMAT_BC2;
+                return true;
+
+            case FileUtils::MakeMagic32('D', 'X', 'T', '5'):
+                m_format = &ImageFormat::FORMAT_BC3;
+                return true;
+
+            case FileUtils::MakeMagic32('D', 'X', '1', '0'):
+                return ReadDxt10Header();
+
+            default:
+                std::cerr << std::format("Unknown dds FourCC {}\n", pf.dwFourCC);
+                return false;
+            }
+        }
+
+        static void ExtractSizeAndOffsetFromMask(uint32_t mask, unsigned& offset, unsigned& size)
+        {
+            offset = 0;
+            size = 0;
+
+            if (mask == 0)
+                return;
+
+            while ((mask & 1) == 0)
+            {
+                offset++;
+                mask >>= 1;
+            }
+
+            while ((mask & 1) == 1)
+            {
+                size++;
+                mask >>= 1;
+            }
+        }
+
+        _NODISCARD bool ReadPixelFormatUnsigned(DDS_PIXELFORMAT& pf)
+        {
+            unsigned rOffset, rSize, gOffset, gSize, bOffset, bSize, aOffset, aSize;
+
+            ExtractSizeAndOffsetFromMask(pf.dwRBitMask, rOffset, rSize);
+            ExtractSizeAndOffsetFromMask(pf.dwGBitMask, gOffset, gSize);
+            ExtractSizeAndOffsetFromMask(pf.dwBBitMask, bOffset, bSize);
+            ExtractSizeAndOffsetFromMask(pf.dwABitMask, aOffset, aSize);
+
+            for (const auto* imageFormat : ImageFormat::ALL_FORMATS)
+            {
+                if (imageFormat->GetType() != ImageFormatType::UNSIGNED)
+                    continue;
+
+                const auto* unsignedImageFormat = dynamic_cast<const ImageFormatUnsigned*>(imageFormat);
+
+                if (unsignedImageFormat->m_r_offset == rOffset && unsignedImageFormat->m_r_size == rSize && unsignedImageFormat->m_g_offset == gOffset
+                    && unsignedImageFormat->m_g_size == gSize && unsignedImageFormat->m_b_offset == bOffset && unsignedImageFormat->m_b_size == bSize
+                    && unsignedImageFormat->m_a_offset == aOffset && unsignedImageFormat->m_a_size == aSize)
+                {
+                    m_format = imageFormat;
+                    return true;
+                }
+            }
+
+            std::cerr << std::format(
+                "Failed to find dds pixel format: R={:#x} G={:#x} B={:#x} A={:#x}\n", pf.dwRBitMask, pf.dwGBitMask, pf.dwBBitMask, pf.dwABitMask);
+
+            return false;
+        }
+
+        _NODISCARD bool ReadPixelFormat(DDS_PIXELFORMAT& pf)
+        {
+            if (pf.dwFlags & DDPF_FOURCC)
+                return ReadPixelFormatFourCc(pf);
+
+            return ReadPixelFormatUnsigned(pf);
+        }
+
+        _NODISCARD bool ReadHeader()
+        {
+            DDS_HEADER header{};
+            m_stream.read(reinterpret_cast<char*>(&header), sizeof(header));
+            if (m_stream.gcount() != sizeof(header))
+            {
+                std::cerr << "Failed to read dds data\n";
+                return false;
+            }
+
+            m_width = header.dwWidth;
+            m_height = header.dwHeight;
+            m_depth = header.dwDepth;
+            m_has_mip_maps = (header.dwCaps & DDSCAPS_MIPMAP) != 0 || header.dwMipMapCount > 1;
+
+            if (header.dwCaps2 & DDSCAPS2_CUBEMAP)
+                m_texture_type = TextureType::T_CUBE;
+            else if (header.dwDepth > 1)
+                m_texture_type = TextureType::T_3D;
+            else
+                m_texture_type = TextureType::T_2D;
+
+            return ReadPixelFormat(header.ddspf);
+        }
+
+        _NODISCARD std::unique_ptr<Texture> ReadTextureData() const
+        {
+            std::unique_ptr<Texture> result;
+
+            switch (m_texture_type)
+            {
+            case TextureType::T_2D:
+                result = std::make_unique<Texture2D>(m_format, m_width, m_height, m_has_mip_maps);
+                break;
+
+            case TextureType::T_3D:
+                result = std::make_unique<Texture3D>(m_format, m_width, m_height, m_depth, m_has_mip_maps);
+                break;
+
+            case TextureType::T_CUBE:
+                result = std::make_unique<TextureCube>(m_format, m_width, m_height, m_has_mip_maps);
+                break;
+
+            default:
+                return nullptr;
+            }
+
+            const auto mipMapCount = m_has_mip_maps ? result->GetMipMapCount() : 1;
+            const auto faceCount = m_texture_type == TextureType::T_CUBE ? 6 : 1;
+
+            result->Allocate();
+
+            for (auto mipLevel = 0; mipLevel < mipMapCount; mipLevel++)
+            {
+                const auto mipSize = result->GetSizeOfMipLevel(mipLevel);
+
+                for (auto face = 0; face < faceCount; face++)
+                {
+                    m_stream.read(reinterpret_cast<char*>(result->GetBufferForMipLevel(mipLevel, face)), mipSize);
+
+                    if (m_stream.gcount() != mipSize)
+                    {
+                        std::cerr << "Failed to read texture data from dds\n";
+                        return nullptr;
+                    }
+                }
+            }
+
+            return result;
+        }
+
+    public:
+        explicit DdsLoaderInternal(std::istream& stream)
+            : m_stream(stream),
+              m_texture_type(TextureType::T_2D),
+              m_has_mip_maps(false),
+              m_width(0u),
+              m_height(0u),
+              m_depth(0u),
+              m_format(nullptr)
+        {
+        }
+
+        std::unique_ptr<Texture> LoadDds()
+        {
+            if (!ReadMagic() || !ReadHeader())
+                return nullptr;
+
+            return ReadTextureData();
+        }
+    };
+
+    std::unique_ptr<Texture> LoadDds(std::istream& stream)
+    {
+        DdsLoaderInternal internal(stream);
+        return internal.LoadDds();
+    }
+} // namespace dds

src/ObjImage/Image/DdsLoader.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include "Image/Texture.h"
+
+#include <istream>
+#include <memory>
+
+namespace dds
+{
+    std::unique_ptr<Texture> LoadDds(std::istream& stream);
+}

src/ObjImage/Image/DdsWriter.cpp

@@ -13,10 +13,51 @@ const std::map<ImageFormatId, ImageFormatId> DDS_CONVERSION_TABLE{
 
 class DdsWriterInternal
 {
-    std::ostream& m_stream;
-    Texture* m_texture;
-    std::unique_ptr<Texture> m_converted_texture;
-    bool m_use_dx10_extension;
+public:
+    static bool SupportsImageFormat(const ImageFormat* imageFormat)
+    {
+        return true;
+    }
+
+    static std::string GetFileExtension()
+    {
+        return ".dds";
+    }
+
+    DdsWriterInternal(std::ostream& stream, const Texture* texture)
+        : m_stream(stream),
+          m_texture(texture),
+          m_use_dx10_extension(false)
+    {
+    }
+
+    void DumpImage()
+    {
+        ConvertTextureIfNecessary();
+
+        DDS_HEADER header{};
+        PopulateDdsHeader(header);
+
+        constexpr auto magic = MakeFourCc('D', 'D', 'S', ' ');
+
+        m_stream.write(reinterpret_cast<const char*>(&magic), sizeof(magic));
+        m_stream.write(reinterpret_cast<const char*>(&header), sizeof(header));
+
+        if (m_use_dx10_extension)
+        {
+            DDS_HEADER_DXT10 dxt10{};
+            PopulateDxt10Header(dxt10);
+            m_stream.write(reinterpret_cast<const char*>(&dxt10), sizeof(dxt10));
+        }
+
+        const auto mipCount = m_texture->HasMipMaps() ? m_texture->GetMipMapCount() : 1;
+        for (auto mipLevel = 0; mipLevel < mipCount; mipLevel++)
+        {
+            const auto* buffer = m_texture->GetBufferForMipLevel(mipLevel);
+            const auto mipLevelSize = m_texture->GetSizeOfMipLevel(mipLevel) * m_texture->GetFaceCount();
+            m_stream.write(reinterpret_cast<const char*>(buffer), mipLevelSize);
+        }
+    }
 
     static constexpr unsigned Mask1(const unsigned length)
     {
@@ -164,61 +205,20 @@ class DdsWriterInternal
 
     void ConvertTextureIfNecessary()
     {
-        auto entry = DDS_CONVERSION_TABLE.find(m_texture->GetFormat()->GetId());
+        const auto entry = DDS_CONVERSION_TABLE.find(m_texture->GetFormat()->GetId());
 
         if (entry != DDS_CONVERSION_TABLE.end())
         {
             TextureConverter converter(m_texture, ImageFormat::ALL_FORMATS[static_cast<unsigned>(entry->second)]);
-            m_converted_texture = std::unique_ptr<Texture>(converter.Convert());
+            m_converted_texture = converter.Convert();
             m_texture = m_converted_texture.get();
         }
     }
 
-public:
-    static bool SupportsImageFormat(const ImageFormat* imageFormat)
-    {
-        return true;
-    }
-
-    static std::string GetFileExtension()
-    {
-        return ".dds";
-    }
-
-    DdsWriterInternal(std::ostream& stream, Texture* texture)
-        : m_stream(stream),
-          m_texture(texture),
-          m_use_dx10_extension(false)
-    {
-    }
-
-    void DumpImage()
-    {
-        ConvertTextureIfNecessary();
-
-        DDS_HEADER header{};
-        PopulateDdsHeader(header);
-
-        constexpr auto magic = MakeFourCc('D', 'D', 'S', ' ');
-
-        m_stream.write(reinterpret_cast<const char*>(&magic), sizeof(magic));
-        m_stream.write(reinterpret_cast<const char*>(&header), sizeof(header));
-
-        if (m_use_dx10_extension)
-        {
-            DDS_HEADER_DXT10 dxt10{};
-            PopulateDxt10Header(dxt10);
-            m_stream.write(reinterpret_cast<const char*>(&dxt10), sizeof(dxt10));
-        }
-
-        const auto mipCount = m_texture->HasMipMaps() ? m_texture->GetMipMapCount() : 1;
-        for (auto mipLevel = 0; mipLevel < mipCount; mipLevel++)
-        {
-            const auto* buffer = m_texture->GetBufferForMipLevel(mipLevel);
-            const auto mipLevelSize = m_texture->GetSizeOfMipLevel(mipLevel) * m_texture->GetFaceCount();
-            m_stream.write(reinterpret_cast<const char*>(buffer), mipLevelSize);
-        }
-    }
+    std::ostream& m_stream;
+    const Texture* m_texture;
+    std::unique_ptr<Texture> m_converted_texture;
+    bool m_use_dx10_extension;
 };
 
 DdsWriter::~DdsWriter() = default;
@@ -233,7 +233,7 @@ std::string DdsWriter::GetFileExtension()
     return DdsWriterInternal::GetFileExtension();
 }
 
-void DdsWriter::DumpImage(std::ostream& stream, Texture* texture)
+void DdsWriter::DumpImage(std::ostream& stream, const Texture* texture)
 {
     DdsWriterInternal internal(stream, texture);
     internal.DumpImage();

src/ObjImage/Image/DdsWriter.h

@@ -8,5 +8,5 @@ public:
 
     bool SupportsImageFormat(const ImageFormat* imageFormat) override;
     std::string GetFileExtension() override;
-    void DumpImage(std::ostream& stream, Texture* texture) override;
+    void DumpImage(std::ostream& stream, const Texture* texture) override;
 };

src/ObjImage/Image/Dx12TextureLoader.cpp

@@ -2,9 +2,8 @@
 
 #include <cstring>
 
-Dx12TextureLoader::Dx12TextureLoader(MemoryManager* memoryManager)
-    : m_memory_manager(memoryManager),
-      m_format(oat::DXGI_FORMAT_UNKNOWN),
+Dx12TextureLoader::Dx12TextureLoader()
+    : m_format(oat::DXGI_FORMAT_UNKNOWN),
       m_type(TextureType::T_2D),
       m_has_mip_maps(false),
       m_width(1u),
@@ -60,26 +59,26 @@ Dx12TextureLoader& Dx12TextureLoader::Depth(const size_t depth)
     return *this;
 }
 
-Texture* Dx12TextureLoader::LoadTexture(const void* data)
+std::unique_ptr<Texture> Dx12TextureLoader::LoadTexture(const void* data)
 {
     const auto* format = GetFormatForDx12Format();
 
     if (format == nullptr)
         return nullptr;
 
-    Texture* texture;
+    std::unique_ptr<Texture> texture;
     switch (m_type)
     {
     case TextureType::T_2D:
-        texture = m_memory_manager->Create<Texture2D>(format, m_width, m_height, m_has_mip_maps);
+        texture = std::make_unique<Texture2D>(format, m_width, m_height, m_has_mip_maps);
         break;
 
     case TextureType::T_3D:
-        texture = m_memory_manager->Create<Texture3D>(format, m_width, m_height, m_depth, m_has_mip_maps);
+        texture = std::make_unique<Texture3D>(format, m_width, m_height, m_depth, m_has_mip_maps);
         break;
 
     case TextureType::T_CUBE:
-        texture = m_memory_manager->Create<TextureCube>(format, m_width, m_width, m_has_mip_maps);
+        texture = std::make_unique<TextureCube>(format, m_width, m_width, m_has_mip_maps);
         break;
 
     default:

src/ObjImage/Image/Dx12TextureLoader.h

@@ -5,24 +5,13 @@
 #include "Utils/ClassUtils.h"
 #include "Utils/MemoryManager.h"
 
+#include <memory>
 #include <unordered_map>
 
 class Dx12TextureLoader
 {
-    static std::unordered_map<ImageFormatId, ImageFormatId> m_conversion_table;
-
-    MemoryManager* m_memory_manager;
-    oat::DXGI_FORMAT m_format;
-    TextureType m_type;
-    bool m_has_mip_maps;
-    size_t m_width;
-    size_t m_height;
-    size_t m_depth;
-
-    _NODISCARD const ImageFormat* GetFormatForDx12Format() const;
-
 public:
-    explicit Dx12TextureLoader(MemoryManager* memoryManager);
+    Dx12TextureLoader();
 
     Dx12TextureLoader& Format(oat::DXGI_FORMAT format);
     Dx12TextureLoader& Type(TextureType textureType);
@@ -31,5 +20,17 @@ public:
     Dx12TextureLoader& Height(size_t height);
     Dx12TextureLoader& Depth(size_t depth);
 
-    Texture* LoadTexture(const void* data);
+    std::unique_ptr<Texture> LoadTexture(const void* data);
+
+private:
+    _NODISCARD const ImageFormat* GetFormatForDx12Format() const;
+
+    static std::unordered_map<ImageFormatId, ImageFormatId> m_conversion_table;
+
+    oat::DXGI_FORMAT m_format;
+    TextureType m_type;
+    bool m_has_mip_maps;
+    size_t m_width;
+    size_t m_height;
+    size_t m_depth;
 };

src/ObjImage/Image/Dx9TextureLoader.cpp

@@ -2,9 +2,8 @@
 
 #include <cstring>
 
-Dx9TextureLoader::Dx9TextureLoader(MemoryManager* memoryManager)
-    : m_memory_manager(memoryManager),
-      m_format(oat::D3DFMT_UNKNOWN),
+Dx9TextureLoader::Dx9TextureLoader()
+    : m_format(oat::D3DFMT_UNKNOWN),
       m_type(TextureType::T_2D),
       m_has_mip_maps(false),
       m_width(1u),
@@ -15,7 +14,7 @@ Dx9TextureLoader::Dx9TextureLoader(MemoryManager* memoryManager)
 
 const ImageFormat* Dx9TextureLoader::GetFormatForDx9Format() const
 {
-    for (auto i : ImageFormat::ALL_FORMATS)
+    for (const auto* i : ImageFormat::ALL_FORMATS)
     {
         if (i->GetD3DFormat() == m_format)
             return i;
@@ -60,26 +59,26 @@ Dx9TextureLoader& Dx9TextureLoader::Depth(const size_t depth)
     return *this;
 }
 
-Texture* Dx9TextureLoader::LoadTexture(const void* data)
+std::unique_ptr<Texture> Dx9TextureLoader::LoadTexture(const void* data)
 {
     const auto* format = GetFormatForDx9Format();
 
     if (format == nullptr)
         return nullptr;
 
-    Texture* texture;
+    std::unique_ptr<Texture> texture;
     switch (m_type)
     {
     case TextureType::T_2D:
-        texture = m_memory_manager->Create<Texture2D>(format, m_width, m_height, m_has_mip_maps);
+        texture = std::make_unique<Texture2D>(format, m_width, m_height, m_has_mip_maps);
         break;
 
     case TextureType::T_3D:
-        texture = m_memory_manager->Create<Texture3D>(format, m_width, m_height, m_depth, m_has_mip_maps);
+        texture = std::make_unique<Texture3D>(format, m_width, m_height, m_depth, m_has_mip_maps);
         break;
 
     case TextureType::T_CUBE:
-        texture = m_memory_manager->Create<TextureCube>(format, m_width, m_width, m_has_mip_maps);
+        texture = std::make_unique<TextureCube>(format, m_width, m_width, m_has_mip_maps);
         break;
 
     default:

src/ObjImage/Image/Dx9TextureLoader.h

@@ -5,22 +5,13 @@
 #include "Utils/ClassUtils.h"
 #include "Utils/MemoryManager.h"
 
+#include <memory>
 #include <unordered_map>
 
 class Dx9TextureLoader
 {
-    MemoryManager* m_memory_manager;
-    oat::D3DFORMAT m_format;
-    TextureType m_type;
-    bool m_has_mip_maps;
-    size_t m_width;
-    size_t m_height;
-    size_t m_depth;
-
-    _NODISCARD const ImageFormat* GetFormatForDx9Format() const;
-
 public:
-    explicit Dx9TextureLoader(MemoryManager* memoryManager);
+    Dx9TextureLoader();
 
     Dx9TextureLoader& Format(oat::D3DFORMAT format);
     Dx9TextureLoader& Type(TextureType textureType);
@@ -29,5 +20,15 @@ public:
     Dx9TextureLoader& Height(size_t height);
     Dx9TextureLoader& Depth(size_t depth);
 
-    Texture* LoadTexture(const void* data);
+    std::unique_ptr<Texture> LoadTexture(const void* data);
+
+private:
+    _NODISCARD const ImageFormat* GetFormatForDx9Format() const;
+
+    oat::D3DFORMAT m_format;
+    TextureType m_type;
+    bool m_has_mip_maps;
+    size_t m_width;
+    size_t m_height;
+    size_t m_depth;
 };

src/ObjImage/Image/IImageWriter.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "Image/Texture.h"
+
+#include <ostream>
+#include <string>
+
+class IImageWriter
+{
+public:
+    IImageWriter() = default;
+    virtual ~IImageWriter() = default;
+    IImageWriter(const IImageWriter& other) = default;
+    IImageWriter(IImageWriter&& other) noexcept = default;
+    IImageWriter& operator=(const IImageWriter& other) = default;
+    IImageWriter& operator=(IImageWriter&& other) noexcept = default;
+
+    virtual bool SupportsImageFormat(const ImageFormat* imageFormat) = 0;
+    virtual std::string GetFileExtension() = 0;
+    virtual void DumpImage(std::ostream& stream, const Texture* texture) = 0;
+};

src/ObjImage/Image/IwiLoader.cpp

@@ -0,0 +1,443 @@
+#include "IwiLoader.h"
+
+#include "Image/IwiTypes.h"
+
+#include <cassert>
+#include <format>
+#include <iostream>
+#include <type_traits>
+
+namespace iwi
+{
+    const ImageFormat* GetFormat6(int8_t format)
+    {
+        switch (static_cast<iwi6::IwiFormat>(format))
+        {
+        case iwi6::IwiFormat::IMG_FORMAT_BITMAP_RGBA:
+            return &ImageFormat::FORMAT_R8_G8_B8_A8;
+        case iwi6::IwiFormat::IMG_FORMAT_BITMAP_RGB:
+            return &ImageFormat::FORMAT_R8_G8_B8;
+        case iwi6::IwiFormat::IMG_FORMAT_BITMAP_ALPHA:
+            return &ImageFormat::FORMAT_A8;
+        case iwi6::IwiFormat::IMG_FORMAT_DXT1:
+            return &ImageFormat::FORMAT_BC1;
+        case iwi6::IwiFormat::IMG_FORMAT_DXT3:
+            return &ImageFormat::FORMAT_BC2;
+        case iwi6::IwiFormat::IMG_FORMAT_DXT5:
+            return &ImageFormat::FORMAT_BC3;
+        case iwi6::IwiFormat::IMG_FORMAT_DXN:
+            return &ImageFormat::FORMAT_BC5;
+        case iwi6::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE_ALPHA:
+            return &ImageFormat::FORMAT_R8_A8;
+        case iwi6::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE:
+            return &ImageFormat::FORMAT_R8;
+        case iwi6::IwiFormat::IMG_FORMAT_WAVELET_RGBA: // used
+        case iwi6::IwiFormat::IMG_FORMAT_WAVELET_RGB:  // used
+        case iwi6::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE_ALPHA:
+        case iwi6::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE:
+        case iwi6::IwiFormat::IMG_FORMAT_WAVELET_ALPHA:
+            std::cerr << std::format("Unsupported IWI format: {}\n", format);
+            break;
+        default:
+            std::cerr << std::format("Unknown IWI format: {}\n", format);
+            break;
+        }
+
+        return nullptr;
+    }
+
+    std::unique_ptr<Texture> LoadIwi6(std::istream& stream)
+    {
+        iwi6::IwiHeader header{};
+
+        stream.read(reinterpret_cast<char*>(&header), sizeof(header));
+        if (stream.gcount() != sizeof(header))
+            return nullptr;
+
+        const auto* format = GetFormat6(header.format);
+        if (format == nullptr)
+            return nullptr;
+
+        auto width = header.dimensions[0];
+        auto height = header.dimensions[1];
+        auto depth = header.dimensions[2];
+        auto hasMipMaps = !(header.flags & iwi6::IwiFlags::IMG_FLAG_NOMIPMAPS);
+
+        std::unique_ptr<Texture> texture;
+        if (header.flags & iwi6::IwiFlags::IMG_FLAG_CUBEMAP)
+            texture = std::make_unique<TextureCube>(format, width, height, hasMipMaps);
+        else if (header.flags & iwi6::IwiFlags::IMG_FLAG_VOLMAP)
+            texture = std::make_unique<Texture3D>(format, width, height, depth, hasMipMaps);
+        else
+            texture = std::make_unique<Texture2D>(format, width, height, hasMipMaps);
+
+        texture->Allocate();
+
+        auto currentFileSize = sizeof(iwi6::IwiHeader) + sizeof(IwiVersion);
+        const auto mipMapCount = hasMipMaps ? texture->GetMipMapCount() : 1;
+
+        for (auto currentMipLevel = mipMapCount - 1; currentMipLevel >= 0; currentMipLevel--)
+        {
+            const auto sizeOfMipLevel = texture->GetSizeOfMipLevel(currentMipLevel) * texture->GetFaceCount();
+            currentFileSize += sizeOfMipLevel;
+
+            if (currentMipLevel < static_cast<int>(std::extent_v<decltype(iwi6::IwiHeader::fileSizeForPicmip)>)
+                && currentFileSize != header.fileSizeForPicmip[currentMipLevel])
+            {
+                std::cerr << std::format("Iwi has invalid file size for picmip {}\n", currentMipLevel);
+                return nullptr;
+            }
+
+            stream.read(reinterpret_cast<char*>(texture->GetBufferForMipLevel(currentMipLevel)), sizeOfMipLevel);
+            if (stream.gcount() != sizeOfMipLevel)
+            {
+                std::cerr << std::format("Unexpected eof of iwi in mip level {}\n", currentMipLevel);
+                return nullptr;
+            }
+        }
+
+        return texture;
+    }
+
+    const ImageFormat* GetFormat8(int8_t format)
+    {
+        switch (static_cast<iwi8::IwiFormat>(format))
+        {
+        case iwi8::IwiFormat::IMG_FORMAT_BITMAP_RGBA:
+            return &ImageFormat::FORMAT_R8_G8_B8_A8;
+        case iwi8::IwiFormat::IMG_FORMAT_BITMAP_RGB:
+            return &ImageFormat::FORMAT_R8_G8_B8;
+        case iwi8::IwiFormat::IMG_FORMAT_BITMAP_ALPHA:
+            return &ImageFormat::FORMAT_A8;
+        case iwi8::IwiFormat::IMG_FORMAT_DXT1:
+            return &ImageFormat::FORMAT_BC1;
+        case iwi8::IwiFormat::IMG_FORMAT_DXT3:
+            return &ImageFormat::FORMAT_BC2;
+        case iwi8::IwiFormat::IMG_FORMAT_DXT5:
+            return &ImageFormat::FORMAT_BC3;
+        case iwi8::IwiFormat::IMG_FORMAT_DXN:
+            return &ImageFormat::FORMAT_BC5;
+        case iwi8::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE_ALPHA:
+            return &ImageFormat::FORMAT_R8_A8;
+        case iwi8::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE:
+            return &ImageFormat::FORMAT_R8;
+        case iwi8::IwiFormat::IMG_FORMAT_WAVELET_RGBA: // used
+        case iwi8::IwiFormat::IMG_FORMAT_WAVELET_RGB:  // used
+        case iwi8::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE_ALPHA:
+        case iwi8::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE:
+        case iwi8::IwiFormat::IMG_FORMAT_WAVELET_ALPHA:
+        case iwi8::IwiFormat::IMG_FORMAT_DXT3A_AS_LUMINANCE:
+        case iwi8::IwiFormat::IMG_FORMAT_DXT5A_AS_LUMINANCE:
+        case iwi8::IwiFormat::IMG_FORMAT_DXT3A_AS_ALPHA:
+        case iwi8::IwiFormat::IMG_FORMAT_DXT5A_AS_ALPHA:
+        case iwi8::IwiFormat::IMG_FORMAT_DXT1_AS_LUMINANCE_ALPHA:
+        case iwi8::IwiFormat::IMG_FORMAT_DXN_AS_LUMINANCE_ALPHA:
+        case iwi8::IwiFormat::IMG_FORMAT_DXT1_AS_LUMINANCE:
+        case iwi8::IwiFormat::IMG_FORMAT_DXT1_AS_ALPHA:
+            std::cerr << std::format("Unsupported IWI format: {}\n", format);
+            break;
+        default:
+            std::cerr << std::format("Unknown IWI format: {}\n", format);
+            break;
+        }
+
+        return nullptr;
+    }
+
+    std::unique_ptr<Texture> LoadIwi8(std::istream& stream)
+    {
+        iwi8::IwiHeader header{};
+
+        stream.read(reinterpret_cast<char*>(&header), sizeof(header));
+        if (stream.gcount() != sizeof(header))
+            return nullptr;
+
+        const auto* format = GetFormat8(header.format);
+        if (format == nullptr)
+            return nullptr;
+
+        auto width = header.dimensions[0];
+        auto height = header.dimensions[1];
+        auto depth = header.dimensions[2];
+        auto hasMipMaps = !(header.flags & iwi8::IwiFlags::IMG_FLAG_NOMIPMAPS);
+
+        std::unique_ptr<Texture> texture;
+        if ((header.flags & iwi8::IwiFlags::IMG_FLAG_MAPTYPE_MASK) == iwi8::IwiFlags::IMG_FLAG_MAPTYPE_CUBE)
+        {
+            texture = std::make_unique<TextureCube>(format, width, height, hasMipMaps);
+        }
+        else if ((header.flags & iwi8::IwiFlags::IMG_FLAG_MAPTYPE_MASK) == iwi8::IwiFlags::IMG_FLAG_MAPTYPE_3D)
+        {
+            texture = std::make_unique<Texture3D>(format, width, height, depth, hasMipMaps);
+        }
+        else if ((header.flags & iwi8::IwiFlags::IMG_FLAG_MAPTYPE_MASK) == iwi8::IwiFlags::IMG_FLAG_MAPTYPE_2D)
+        {
+            texture = std::make_unique<Texture2D>(format, width, height, hasMipMaps);
+        }
+        else if ((header.flags & iwi8::IwiFlags::IMG_FLAG_MAPTYPE_MASK) == iwi8::IwiFlags::IMG_FLAG_MAPTYPE_1D)
+        {
+            std::cerr << "Iwi has unsupported map type 1D\n";
+            return nullptr;
+        }
+        else
+        {
+            std::cerr << "Iwi has unsupported map type\n";
+            return nullptr;
+        }
+
+        texture->Allocate();
+
+        auto currentFileSize = sizeof(iwi8::IwiHeader) + sizeof(IwiVersion);
+        const auto mipMapCount = hasMipMaps ? texture->GetMipMapCount() : 1;
+
+        for (auto currentMipLevel = mipMapCount - 1; currentMipLevel >= 0; currentMipLevel--)
+        {
+            const auto sizeOfMipLevel = texture->GetSizeOfMipLevel(currentMipLevel) * texture->GetFaceCount();
+            currentFileSize += sizeOfMipLevel;
+
+            if (currentMipLevel < static_cast<int>(std::extent_v<decltype(iwi8::IwiHeader::fileSizeForPicmip)>)
+                && currentFileSize != header.fileSizeForPicmip[currentMipLevel])
+            {
+                std::cerr << std::format("Iwi has invalid file size for picmip {}\n", currentMipLevel);
+                return nullptr;
+            }
+
+            stream.read(reinterpret_cast<char*>(texture->GetBufferForMipLevel(currentMipLevel)), sizeOfMipLevel);
+            if (stream.gcount() != sizeOfMipLevel)
+            {
+                std::cerr << std::format("Unexpected eof of iwi in mip level {}\n", currentMipLevel);
+                return nullptr;
+            }
+        }
+
+        return texture;
+    }
+
+    const ImageFormat* GetFormat13(int8_t format)
+    {
+        switch (static_cast<iwi13::IwiFormat>(format))
+        {
+        case iwi13::IwiFormat::IMG_FORMAT_BITMAP_RGBA:
+            return &ImageFormat::FORMAT_R8_G8_B8_A8;
+        case iwi13::IwiFormat::IMG_FORMAT_BITMAP_RGB:
+            return &ImageFormat::FORMAT_R8_G8_B8;
+        case iwi13::IwiFormat::IMG_FORMAT_BITMAP_ALPHA:
+            return &ImageFormat::FORMAT_A8;
+        case iwi13::IwiFormat::IMG_FORMAT_DXT1:
+            return &ImageFormat::FORMAT_BC1;
+        case iwi13::IwiFormat::IMG_FORMAT_DXT3:
+            return &ImageFormat::FORMAT_BC2;
+        case iwi13::IwiFormat::IMG_FORMAT_DXT5:
+            return &ImageFormat::FORMAT_BC3;
+        case iwi13::IwiFormat::IMG_FORMAT_DXN:
+            return &ImageFormat::FORMAT_BC5;
+        case iwi13::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE_ALPHA:
+            return &ImageFormat::FORMAT_R8_A8;
+        case iwi13::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE:
+            return &ImageFormat::FORMAT_R8;
+        case iwi13::IwiFormat::IMG_FORMAT_WAVELET_RGBA: // used
+        case iwi13::IwiFormat::IMG_FORMAT_WAVELET_RGB:  // used
+        case iwi13::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE_ALPHA:
+        case iwi13::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE:
+        case iwi13::IwiFormat::IMG_FORMAT_WAVELET_ALPHA:
+        case iwi13::IwiFormat::IMG_FORMAT_BITMAP_RGB565:
+        case iwi13::IwiFormat::IMG_FORMAT_BITMAP_RGB5A3:
+        case iwi13::IwiFormat::IMG_FORMAT_BITMAP_C8:
+        case iwi13::IwiFormat::IMG_FORMAT_BITMAP_RGBA8:
+        case iwi13::IwiFormat::IMG_FORMAT_A16B16G16R16F:
+            std::cerr << std::format("Unsupported IWI format: {}\n", format);
+            break;
+        default:
+            std::cerr << std::format("Unknown IWI format: {}\n", format);
+            break;
+        }
+
+        return nullptr;
+    }
+
+    std::unique_ptr<Texture> LoadIwi13(std::istream& stream)
+    {
+        iwi13::IwiHeader header{};
+
+        stream.read(reinterpret_cast<char*>(&header), sizeof(header));
+        if (stream.gcount() != sizeof(header))
+            return nullptr;
+
+        const auto* format = GetFormat6(header.format);
+        if (format == nullptr)
+            return nullptr;
+
+        auto width = header.dimensions[0];
+        auto height = header.dimensions[1];
+        auto depth = header.dimensions[2];
+        auto hasMipMaps = !(header.flags & iwi13::IwiFlags::IMG_FLAG_NOMIPMAPS);
+
+        std::unique_ptr<Texture> texture;
+        if (header.flags & iwi13::IwiFlags::IMG_FLAG_CUBEMAP)
+            texture = std::make_unique<TextureCube>(format, width, height, hasMipMaps);
+        else if (header.flags & iwi13::IwiFlags::IMG_FLAG_VOLMAP)
+            texture = std::make_unique<Texture3D>(format, width, height, depth, hasMipMaps);
+        else
+            texture = std::make_unique<Texture2D>(format, width, height, hasMipMaps);
+
+        texture->Allocate();
+
+        auto currentFileSize = sizeof(iwi13::IwiHeader) + sizeof(IwiVersion);
+        const auto mipMapCount = hasMipMaps ? texture->GetMipMapCount() : 1;
+
+        for (auto currentMipLevel = mipMapCount - 1; currentMipLevel >= 0; currentMipLevel--)
+        {
+            const auto sizeOfMipLevel = texture->GetSizeOfMipLevel(currentMipLevel) * texture->GetFaceCount();
+            currentFileSize += sizeOfMipLevel;
+
+            if (currentMipLevel < static_cast<int>(std::extent_v<decltype(iwi13::IwiHeader::fileSizeForPicmip)>)
+                && currentFileSize != header.fileSizeForPicmip[currentMipLevel])
+            {
+                std::cerr << std::format("Iwi has invalid file size for picmip {}\n", currentMipLevel);
+                return nullptr;
+            }
+
+            stream.read(reinterpret_cast<char*>(texture->GetBufferForMipLevel(currentMipLevel)), sizeOfMipLevel);
+            if (stream.gcount() != sizeOfMipLevel)
+            {
+                std::cerr << std::format("Unexpected eof of iwi in mip level {}\n", currentMipLevel);
+                return nullptr;
+            }
+        }
+
+        return texture;
+    }
+
+    const ImageFormat* GetFormat27(int8_t format)
+    {
+        switch (static_cast<iwi27::IwiFormat>(format))
+        {
+        case iwi27::IwiFormat::IMG_FORMAT_BITMAP_RGBA:
+            return &ImageFormat::FORMAT_R8_G8_B8_A8;
+        case iwi27::IwiFormat::IMG_FORMAT_BITMAP_ALPHA:
+            return &ImageFormat::FORMAT_A8;
+        case iwi27::IwiFormat::IMG_FORMAT_DXT1:
+            return &ImageFormat::FORMAT_BC1;
+        case iwi27::IwiFormat::IMG_FORMAT_DXT3:
+            return &ImageFormat::FORMAT_BC2;
+        case iwi27::IwiFormat::IMG_FORMAT_DXT5:
+            return &ImageFormat::FORMAT_BC3;
+        case iwi27::IwiFormat::IMG_FORMAT_DXN:
+            return &ImageFormat::FORMAT_BC5;
+        case iwi27::IwiFormat::IMG_FORMAT_A16B16G16R16F:
+            assert(false); // Unsupported yet
+            return &ImageFormat::FORMAT_R16_G16_B16_A16_FLOAT;
+        case iwi27::IwiFormat::IMG_FORMAT_BITMAP_RGB:
+            return &ImageFormat::FORMAT_R8_G8_B8;
+        case iwi27::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE_ALPHA:
+            return &ImageFormat::FORMAT_R8_A8;
+        case iwi27::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE:
+            return &ImageFormat::FORMAT_R8;
+        case iwi27::IwiFormat::IMG_FORMAT_WAVELET_RGBA:
+        case iwi27::IwiFormat::IMG_FORMAT_WAVELET_RGB:
+        case iwi27::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE_ALPHA:
+        case iwi27::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE:
+        case iwi27::IwiFormat::IMG_FORMAT_WAVELET_ALPHA:
+        case iwi27::IwiFormat::IMG_FORMAT_BITMAP_RGB565:
+        case iwi27::IwiFormat::IMG_FORMAT_BITMAP_RGB5A3:
+        case iwi27::IwiFormat::IMG_FORMAT_BITMAP_C8:
+        case iwi27::IwiFormat::IMG_FORMAT_BITMAP_RGBA8:
+            std::cerr << std::format("Unsupported IWI format: {}\n", format);
+            break;
+        default:
+            std::cerr << std::format("Unknown IWI format: {}\n", format);
+            break;
+        }
+
+        return nullptr;
+    }
+
+    std::unique_ptr<Texture> LoadIwi27(std::istream& stream)
+    {
+        iwi27::IwiHeader header{};
+
+        stream.read(reinterpret_cast<char*>(&header), sizeof(header));
+        if (stream.gcount() != sizeof(header))
+            return nullptr;
+
+        const auto* format = GetFormat27(header.format);
+        if (format == nullptr)
+            return nullptr;
+
+        auto width = header.dimensions[0];
+        auto height = header.dimensions[1];
+        auto depth = header.dimensions[2];
+        auto hasMipMaps = !(header.flags & iwi27::IwiFlags::IMG_FLAG_NOMIPMAPS);
+
+        std::unique_ptr<Texture> texture;
+        if (header.flags & iwi27::IwiFlags::IMG_FLAG_CUBEMAP)
+            texture = std::make_unique<TextureCube>(format, width, height, hasMipMaps);
+        else if (header.flags & iwi27::IwiFlags::IMG_FLAG_VOLMAP)
+            texture = std::make_unique<Texture3D>(format, width, height, depth, hasMipMaps);
+        else
+            texture = std::make_unique<Texture2D>(format, width, height, hasMipMaps);
+
+        texture->Allocate();
+
+        auto currentFileSize = sizeof(iwi27::IwiHeader) + sizeof(IwiVersion);
+        const auto mipMapCount = hasMipMaps ? texture->GetMipMapCount() : 1;
+
+        for (auto currentMipLevel = mipMapCount - 1; currentMipLevel >= 0; currentMipLevel--)
+        {
+            const auto sizeOfMipLevel = texture->GetSizeOfMipLevel(currentMipLevel) * texture->GetFaceCount();
+            currentFileSize += sizeOfMipLevel;
+
+            if (currentMipLevel < static_cast<int>(std::extent_v<decltype(iwi27::IwiHeader::fileSizeForPicmip)>)
+                && currentFileSize != header.fileSizeForPicmip[currentMipLevel])
+            {
+                std::cerr << std::format("Iwi has invalid file size for picmip {}\n", currentMipLevel);
+                return nullptr;
+            }
+
+            stream.read(reinterpret_cast<char*>(texture->GetBufferForMipLevel(currentMipLevel)), sizeOfMipLevel);
+            if (stream.gcount() != sizeOfMipLevel)
+            {
+                std::cerr << std::format("Unexpected eof of iwi in mip level {}\n", currentMipLevel);
+                return nullptr;
+            }
+        }
+
+        return texture;
+    }
+
+    std::unique_ptr<Texture> LoadIwi(std::istream& stream)
+    {
+        IwiVersion iwiVersion{};
+
+        stream.read(reinterpret_cast<char*>(&iwiVersion), sizeof(iwiVersion));
+        if (stream.gcount() != sizeof(iwiVersion))
+            return nullptr;
+
+        if (iwiVersion.tag[0] != 'I' || iwiVersion.tag[1] != 'W' || iwiVersion.tag[2] != 'i')
+        {
+            std::cerr << "Invalid IWI magic\n";
+            return nullptr;
+        }
+
+        switch (iwiVersion.version)
+        {
+        case 6:
+            return LoadIwi6(stream);
+
+        case 8:
+            return LoadIwi8(stream);
+
+        case 13:
+            return LoadIwi13(stream);
+
+        case 27:
+            return LoadIwi27(stream);
+
+        default:
+            break;
+        }
+
+        std::cerr << std::format("Unknown IWI version {}\n", iwiVersion.version);
+        return nullptr;
+    }
+} // namespace iwi

src/ObjImage/Image/IwiLoader.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include "Image/Texture.h"
+
+#include <istream>
+#include <memory>
+
+namespace iwi
+{
+    std::unique_ptr<Texture> LoadIwi(std::istream& stream);
+}; // namespace iwi

src/ObjImage/Image/IwiWriter13.cpp

@@ -0,0 +1,141 @@
+#include "IwiWriter13.h"
+
+#include <cassert>
+#include <ostream>
+
+using namespace iwi13;
+
+IwiWriter::IwiWriter() = default;
+
+IwiWriter::~IwiWriter() = default;
+
+IwiFormat IwiWriter::GetIwiFormatForImageFormat(const ImageFormat* imageFormat)
+{
+    switch (imageFormat->GetId())
+    {
+    case ImageFormatId::R8_G8_B8:
+        return IwiFormat::IMG_FORMAT_BITMAP_RGB;
+
+    case ImageFormatId::R8_G8_B8_A8:
+        return IwiFormat::IMG_FORMAT_BITMAP_RGBA;
+
+    case ImageFormatId::A8:
+        return IwiFormat::IMG_FORMAT_BITMAP_ALPHA;
+
+    case ImageFormatId::R16_G16_B16_A16_FLOAT:
+        return IwiFormat::IMG_FORMAT_A16B16G16R16F;
+
+    case ImageFormatId::BC1:
+        return IwiFormat::IMG_FORMAT_DXT1;
+
+    case ImageFormatId::BC2:
+        return IwiFormat::IMG_FORMAT_DXT3;
+
+    case ImageFormatId::BC3:
+        return IwiFormat::IMG_FORMAT_DXT5;
+
+    case ImageFormatId::BC5:
+        return IwiFormat::IMG_FORMAT_DXN;
+
+    default:
+        return IwiFormat::IMG_FORMAT_INVALID;
+    }
+}
+
+bool IwiWriter::SupportsImageFormat(const ImageFormat* imageFormat)
+{
+    return GetIwiFormatForImageFormat(imageFormat) != IwiFormat::IMG_FORMAT_INVALID;
+}
+
+std::string IwiWriter::GetFileExtension()
+{
+    return ".iwi";
+}
+
+void IwiWriter::WriteVersion(std::ostream& stream)
+{
+    IwiVersion version{};
+    version.tag[0] = 'I';
+    version.tag[1] = 'W';
+    version.tag[2] = 'i';
+    version.version = 13;
+
+    stream.write(reinterpret_cast<char*>(&version), sizeof(IwiVersion));
+}
+
+void IwiWriter::FillHeader2D(IwiHeader& header, const Texture2D& texture)
+{
+    header.dimensions[0] = static_cast<uint16_t>(texture.GetWidth());
+    header.dimensions[1] = static_cast<uint16_t>(texture.GetHeight());
+    header.dimensions[2] = 1;
+}
+
+void IwiWriter::FillHeaderCube(IwiHeader& header, const TextureCube& texture)
+{
+    header.dimensions[0] = static_cast<uint16_t>(texture.GetWidth());
+    header.dimensions[1] = static_cast<uint16_t>(texture.GetHeight());
+    header.dimensions[2] = 1;
+    header.flags |= IMG_FLAG_CUBEMAP;
+}
+
+void IwiWriter::FillHeader3D(IwiHeader& header, const Texture3D& texture)
+{
+    header.dimensions[0] = static_cast<uint16_t>(texture.GetWidth());
+    header.dimensions[1] = static_cast<uint16_t>(texture.GetHeight());
+    header.dimensions[2] = static_cast<uint16_t>(texture.GetDepth());
+    header.flags |= IMG_FLAG_VOLMAP;
+}
+
+void IwiWriter::DumpImage(std::ostream& stream, const Texture* texture)
+{
+    assert(texture != nullptr);
+
+    WriteVersion(stream);
+
+    IwiHeader header{};
+    header.flags = 0;
+    header.gamma = 0.0f;
+
+    header.format = static_cast<int8_t>(GetIwiFormatForImageFormat(texture->GetFormat()));
+
+    if (!texture->HasMipMaps())
+        header.flags |= IMG_FLAG_NOMIPMAPS;
+
+    auto currentFileSize = sizeof(IwiVersion) + sizeof(IwiHeader);
+
+    const auto textureMipCount = texture->HasMipMaps() ? texture->GetMipMapCount() : 1;
+    for (auto currentMipLevel = textureMipCount - 1; currentMipLevel >= 0; currentMipLevel--)
+    {
+        const auto mipLevelSize = texture->GetSizeOfMipLevel(currentMipLevel) * texture->GetFaceCount();
+        currentFileSize += mipLevelSize;
+
+        if (currentMipLevel < static_cast<int>(std::extent_v<decltype(IwiHeader::fileSizeForPicmip)>))
+            header.fileSizeForPicmip[currentMipLevel] = currentFileSize;
+    }
+
+    if (const auto* texture2D = dynamic_cast<const Texture2D*>(texture))
+    {
+        FillHeader2D(header, *texture2D);
+    }
+    else if (const auto* textureCube = dynamic_cast<const TextureCube*>(texture))
+    {
+        FillHeaderCube(header, *textureCube);
+    }
+    else if (const auto* texture3D = dynamic_cast<const Texture3D*>(texture))
+    {
+        FillHeader3D(header, *texture3D);
+    }
+    else
+    {
+        assert(false);
+        return;
+    }
+
+    stream.write(reinterpret_cast<char*>(&header), sizeof(IwiHeader));
+
+    for (auto currentMipLevel = textureMipCount - 1; currentMipLevel >= 0; currentMipLevel--)
+    {
+        const auto mipLevelSize = texture->GetSizeOfMipLevel(currentMipLevel) * texture->GetFaceCount();
+        stream.write(reinterpret_cast<const char*>(texture->GetBufferForMipLevel(currentMipLevel)), mipLevelSize);
+    }
+}

src/ObjImage/Image/IwiWriter13.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include "IImageWriter.h"
+#include "Image/IwiTypes.h"
+
+namespace iwi13
+{
+    class IwiWriter final : public IImageWriter
+    {
+        static IwiFormat GetIwiFormatForImageFormat(const ImageFormat* imageFormat);
+
+        static void WriteVersion(std::ostream& stream);
+        static void FillHeader2D(IwiHeader& header, const Texture2D& texture);
+        static void FillHeaderCube(IwiHeader& header, const TextureCube& texture);
+        static void FillHeader3D(IwiHeader& header, const Texture3D& texture);
+
+    public:
+        IwiWriter();
+        IwiWriter(const IwiWriter& other) = delete;
+        IwiWriter(IwiWriter&& other) noexcept = delete;
+        ~IwiWriter() override;
+
+        IwiWriter& operator=(const IwiWriter& other) = delete;
+        IwiWriter& operator=(IwiWriter&& other) noexcept = delete;
+
+        bool SupportsImageFormat(const ImageFormat* imageFormat) override;
+        std::string GetFileExtension() override;
+        void DumpImage(std::ostream& stream, const Texture* texture) override;
+    };
+} // namespace iwi13

src/ObjImage/Image/IwiWriter27.cpp

@@ -63,30 +63,30 @@ void IwiWriter::WriteVersion(std::ostream& stream)
     stream.write(reinterpret_cast<char*>(&version), sizeof(IwiVersion));
 }
 
-void IwiWriter::FillHeader2D(IwiHeader* header, Texture2D* texture)
+void IwiWriter::FillHeader2D(IwiHeader& header, const Texture2D& texture)
 {
-    header->dimensions[0] = static_cast<uint16_t>(texture->GetWidth());
-    header->dimensions[1] = static_cast<uint16_t>(texture->GetHeight());
-    header->dimensions[2] = 1;
+    header.dimensions[0] = static_cast<uint16_t>(texture.GetWidth());
+    header.dimensions[1] = static_cast<uint16_t>(texture.GetHeight());
+    header.dimensions[2] = 1;
 }
 
-void IwiWriter::FillHeaderCube(IwiHeader* header, TextureCube* texture)
+void IwiWriter::FillHeaderCube(IwiHeader& header, const TextureCube& texture)
 {
-    header->dimensions[0] = static_cast<uint16_t>(texture->GetWidth());
-    header->dimensions[1] = static_cast<uint16_t>(texture->GetHeight());
-    header->dimensions[2] = 1;
-    header->flags |= IMG_FLAG_CUBEMAP;
+    header.dimensions[0] = static_cast<uint16_t>(texture.GetWidth());
+    header.dimensions[1] = static_cast<uint16_t>(texture.GetHeight());
+    header.dimensions[2] = 1;
+    header.flags |= IMG_FLAG_CUBEMAP;
 }
 
-void IwiWriter::FillHeader3D(IwiHeader* header, Texture3D* texture)
+void IwiWriter::FillHeader3D(IwiHeader& header, const Texture3D& texture)
 {
-    header->dimensions[0] = static_cast<uint16_t>(texture->GetWidth());
-    header->dimensions[1] = static_cast<uint16_t>(texture->GetHeight());
-    header->dimensions[2] = static_cast<uint16_t>(texture->GetDepth());
-    header->flags |= IMG_FLAG_VOLMAP;
+    header.dimensions[0] = static_cast<uint16_t>(texture.GetWidth());
+    header.dimensions[1] = static_cast<uint16_t>(texture.GetHeight());
+    header.dimensions[2] = static_cast<uint16_t>(texture.GetDepth());
+    header.flags |= IMG_FLAG_VOLMAP;
 }
 
-void IwiWriter::DumpImage(std::ostream& stream, Texture* texture)
+void IwiWriter::DumpImage(std::ostream& stream, const Texture* texture)
 {
     assert(texture != nullptr);
 
@@ -116,17 +116,17 @@ void IwiWriter::DumpImage(std::ostream& stream, Texture* texture)
             header.fileSizeForPicmip[currentMipLevel] = currentFileSize;
     }
 
-    if (auto* texture2D = dynamic_cast<Texture2D*>(texture))
+    if (const auto* texture2D = dynamic_cast<const Texture2D*>(texture))
     {
-        FillHeader2D(&header, texture2D);
+        FillHeader2D(header, *texture2D);
     }
-    else if (auto* textureCube = dynamic_cast<TextureCube*>(texture))
+    else if (const auto* textureCube = dynamic_cast<const TextureCube*>(texture))
     {
-        FillHeaderCube(&header, textureCube);
+        FillHeaderCube(header, *textureCube);
     }
-    else if (auto* texture3D = dynamic_cast<Texture3D*>(texture))
+    else if (const auto* texture3D = dynamic_cast<const Texture3D*>(texture))
     {
-        FillHeader3D(&header, texture3D);
+        FillHeader3D(header, *texture3D);
     }
     else
     {
@@ -139,6 +139,6 @@ void IwiWriter::DumpImage(std::ostream& stream, Texture* texture)
     for (auto currentMipLevel = textureMipCount - 1; currentMipLevel >= 0; currentMipLevel--)
     {
         const auto mipLevelSize = texture->GetSizeOfMipLevel(currentMipLevel) * texture->GetFaceCount();
-        stream.write(reinterpret_cast<char*>(texture->GetBufferForMipLevel(currentMipLevel)), mipLevelSize);
+        stream.write(reinterpret_cast<const char*>(texture->GetBufferForMipLevel(currentMipLevel)), mipLevelSize);
     }
 }

src/ObjImage/Image/IwiWriter27.h

@@ -10,9 +10,9 @@ namespace iwi27
         static IwiFormat GetIwiFormatForImageFormat(const ImageFormat* imageFormat);
 
         static void WriteVersion(std::ostream& stream);
-        static void FillHeader2D(IwiHeader* header, Texture2D* texture);
-        static void FillHeaderCube(IwiHeader* header, TextureCube* texture);
-        static void FillHeader3D(IwiHeader* header, Texture3D* texture);
+        static void FillHeader2D(IwiHeader& header, const Texture2D& texture);
+        static void FillHeaderCube(IwiHeader& header, const TextureCube& texture);
+        static void FillHeader3D(IwiHeader& header, const Texture3D& texture);
 
     public:
         IwiWriter();
@@ -25,6 +25,6 @@ namespace iwi27
 
         bool SupportsImageFormat(const ImageFormat* imageFormat) override;
         std::string GetFileExtension() override;
-        void DumpImage(std::ostream& stream, Texture* texture) override;
+        void DumpImage(std::ostream& stream, const Texture* texture) override;
     };
 } // namespace iwi27

src/ObjImage/Image/IwiWriter6.cpp

@@ -49,27 +49,27 @@ void IwiWriter::WriteVersion(std::ostream& stream)
     stream.write(reinterpret_cast<char*>(&version), sizeof(IwiVersion));
 }
 
-void IwiWriter::FillHeader2D(IwiHeader* header, Texture2D* texture)
+void IwiWriter::FillHeader2D(IwiHeader& header, const Texture2D& texture)
 {
-    header->dimensions[0] = static_cast<uint16_t>(texture->GetWidth());
-    header->dimensions[1] = static_cast<uint16_t>(texture->GetHeight());
-    header->dimensions[2] = 1u;
+    header.dimensions[0] = static_cast<uint16_t>(texture.GetWidth());
+    header.dimensions[1] = static_cast<uint16_t>(texture.GetHeight());
+    header.dimensions[2] = 1u;
 }
 
-void IwiWriter::FillHeaderCube(IwiHeader* header, TextureCube* texture)
+void IwiWriter::FillHeaderCube(IwiHeader& header, const TextureCube& texture)
 {
-    header->dimensions[0] = static_cast<uint16_t>(texture->GetWidth());
-    header->dimensions[1] = static_cast<uint16_t>(texture->GetHeight());
-    header->dimensions[2] = 1u;
-    header->flags |= IMG_FLAG_CUBEMAP;
+    header.dimensions[0] = static_cast<uint16_t>(texture.GetWidth());
+    header.dimensions[1] = static_cast<uint16_t>(texture.GetHeight());
+    header.dimensions[2] = 1u;
+    header.flags |= IMG_FLAG_CUBEMAP;
 }
 
-void IwiWriter::FillHeader3D(IwiHeader* header, Texture3D* texture)
+void IwiWriter::FillHeader3D(IwiHeader& header, const Texture3D& texture)
 {
-    header->dimensions[0] = static_cast<uint16_t>(texture->GetWidth());
-    header->dimensions[1] = static_cast<uint16_t>(texture->GetHeight());
-    header->dimensions[2] = static_cast<uint16_t>(texture->GetDepth());
-    header->flags |= IMG_FLAG_VOLMAP;
+    header.dimensions[0] = static_cast<uint16_t>(texture.GetWidth());
+    header.dimensions[1] = static_cast<uint16_t>(texture.GetHeight());
+    header.dimensions[2] = static_cast<uint16_t>(texture.GetDepth());
+    header.flags |= IMG_FLAG_VOLMAP;
 }
 
 bool IwiWriter::SupportsImageFormat(const ImageFormat* imageFormat)
@@ -82,7 +82,7 @@ std::string IwiWriter::GetFileExtension()
     return ".iwi";
 }
 
-void IwiWriter::DumpImage(std::ostream& stream, Texture* texture)
+void IwiWriter::DumpImage(std::ostream& stream, const Texture* texture)
 {
     assert(texture != nullptr);
 
@@ -108,17 +108,17 @@ void IwiWriter::DumpImage(std::ostream& stream, Texture* texture)
             header.fileSizeForPicmip[currentMipLevel] = currentFileSize;
     }
 
-    if (auto* texture2D = dynamic_cast<Texture2D*>(texture))
+    if (const auto* texture2D = dynamic_cast<const Texture2D*>(texture))
     {
-        FillHeader2D(&header, texture2D);
+        FillHeader2D(header, *texture2D);
     }
-    else if (auto* textureCube = dynamic_cast<TextureCube*>(texture))
+    else if (const auto* textureCube = dynamic_cast<const TextureCube*>(texture))
     {
-        FillHeaderCube(&header, textureCube);
+        FillHeaderCube(header, *textureCube);
     }
-    else if (auto* texture3D = dynamic_cast<Texture3D*>(texture))
+    else if (const auto* texture3D = dynamic_cast<const Texture3D*>(texture))
     {
-        FillHeader3D(&header, texture3D);
+        FillHeader3D(header, *texture3D);
     }
     else
     {
@@ -131,6 +131,6 @@ void IwiWriter::DumpImage(std::ostream& stream, Texture* texture)
     for (auto currentMipLevel = textureMipCount - 1; currentMipLevel >= 0; currentMipLevel--)
     {
         const auto mipLevelSize = texture->GetSizeOfMipLevel(currentMipLevel) * texture->GetFaceCount();
-        stream.write(reinterpret_cast<char*>(texture->GetBufferForMipLevel(currentMipLevel)), mipLevelSize);
+        stream.write(reinterpret_cast<const char*>(texture->GetBufferForMipLevel(currentMipLevel)), mipLevelSize);
     }
 }

src/ObjImage/Image/IwiWriter6.h

@@ -10,9 +10,9 @@ namespace iwi6
         static IwiFormat GetIwiFormatForImageFormat(const ImageFormat* imageFormat);
 
         static void WriteVersion(std::ostream& stream);
-        static void FillHeader2D(IwiHeader* header, Texture2D* texture);
-        static void FillHeaderCube(IwiHeader* header, TextureCube* texture);
-        static void FillHeader3D(IwiHeader* header, Texture3D* texture);
+        static void FillHeader2D(IwiHeader& header, const Texture2D& texture);
+        static void FillHeaderCube(IwiHeader& header, const TextureCube& texture);
+        static void FillHeader3D(IwiHeader& header, const Texture3D& texture);
 
     public:
         IwiWriter();
@@ -25,6 +25,6 @@ namespace iwi6
 
         bool SupportsImageFormat(const ImageFormat* imageFormat) override;
         std::string GetFileExtension() override;
-        void DumpImage(std::ostream& stream, Texture* texture) override;
+        void DumpImage(std::ostream& stream, const Texture* texture) override;
     };
 } // namespace iwi6

src/ObjImage/Image/IwiWriter8.cpp

@@ -49,27 +49,27 @@ void IwiWriter::WriteVersion(std::ostream& stream)
     stream.write(reinterpret_cast<char*>(&version), sizeof(IwiVersion));
 }
 
-void IwiWriter::FillHeader2D(IwiHeader* header, Texture2D* texture)
+void IwiWriter::FillHeader2D(IwiHeader& header, const Texture2D& texture)
 {
-    header->dimensions[0] = static_cast<uint16_t>(texture->GetWidth());
-    header->dimensions[1] = static_cast<uint16_t>(texture->GetHeight());
-    header->dimensions[2] = 1u;
+    header.dimensions[0] = static_cast<uint16_t>(texture.GetWidth());
+    header.dimensions[1] = static_cast<uint16_t>(texture.GetHeight());
+    header.dimensions[2] = 1u;
 }
 
-void IwiWriter::FillHeaderCube(IwiHeader* header, TextureCube* texture)
+void IwiWriter::FillHeaderCube(IwiHeader& header, const TextureCube& texture)
 {
-    header->dimensions[0] = static_cast<uint16_t>(texture->GetWidth());
-    header->dimensions[1] = static_cast<uint16_t>(texture->GetHeight());
-    header->dimensions[2] = 1u;
-    header->flags |= IMG_FLAG_MAPTYPE_CUBE;
+    header.dimensions[0] = static_cast<uint16_t>(texture.GetWidth());
+    header.dimensions[1] = static_cast<uint16_t>(texture.GetHeight());
+    header.dimensions[2] = 1u;
+    header.flags |= IMG_FLAG_MAPTYPE_CUBE;
 }
 
-void IwiWriter::FillHeader3D(IwiHeader* header, Texture3D* texture)
+void IwiWriter::FillHeader3D(IwiHeader& header, const Texture3D& texture)
 {
-    header->dimensions[0] = static_cast<uint16_t>(texture->GetWidth());
-    header->dimensions[1] = static_cast<uint16_t>(texture->GetHeight());
-    header->dimensions[2] = static_cast<uint16_t>(texture->GetDepth());
-    header->flags |= IMG_FLAG_MAPTYPE_3D;
+    header.dimensions[0] = static_cast<uint16_t>(texture.GetWidth());
+    header.dimensions[1] = static_cast<uint16_t>(texture.GetHeight());
+    header.dimensions[2] = static_cast<uint16_t>(texture.GetDepth());
+    header.flags |= IMG_FLAG_MAPTYPE_3D;
 }
 
 bool IwiWriter::SupportsImageFormat(const ImageFormat* imageFormat)
@@ -82,7 +82,7 @@ std::string IwiWriter::GetFileExtension()
     return ".iwi";
 }
 
-void IwiWriter::DumpImage(std::ostream& stream, Texture* texture)
+void IwiWriter::DumpImage(std::ostream& stream, const Texture* texture)
 {
     assert(texture != nullptr);
 
@@ -108,17 +108,17 @@ void IwiWriter::DumpImage(std::ostream& stream, Texture* texture)
             header.fileSizeForPicmip[currentMipLevel] = currentFileSize;
     }
 
-    if (auto* texture2D = dynamic_cast<Texture2D*>(texture))
+    if (const auto* texture2D = dynamic_cast<const Texture2D*>(texture))
     {
-        FillHeader2D(&header, texture2D);
+        FillHeader2D(header, *texture2D);
     }
-    else if (auto* textureCube = dynamic_cast<TextureCube*>(texture))
+    else if (const auto* textureCube = dynamic_cast<const TextureCube*>(texture))
     {
-        FillHeaderCube(&header, textureCube);
+        FillHeaderCube(header, *textureCube);
     }
-    else if (auto* texture3D = dynamic_cast<Texture3D*>(texture))
+    else if (const auto* texture3D = dynamic_cast<const Texture3D*>(texture))
     {
-        FillHeader3D(&header, texture3D);
+        FillHeader3D(header, *texture3D);
     }
     else
     {
@@ -131,6 +131,6 @@ void IwiWriter::DumpImage(std::ostream& stream, Texture* texture)
     for (auto currentMipLevel = textureMipCount - 1; currentMipLevel >= 0; currentMipLevel--)
     {
         const auto mipLevelSize = texture->GetSizeOfMipLevel(currentMipLevel) * texture->GetFaceCount();
-        stream.write(reinterpret_cast<char*>(texture->GetBufferForMipLevel(currentMipLevel)), mipLevelSize);
+        stream.write(reinterpret_cast<const char*>(texture->GetBufferForMipLevel(currentMipLevel)), mipLevelSize);
     }
 }

src/ObjImage/Image/IwiWriter8.h

@@ -10,9 +10,9 @@ namespace iwi8
         static IwiFormat GetIwiFormatForImageFormat(const ImageFormat* imageFormat);
 
         static void WriteVersion(std::ostream& stream);
-        static void FillHeader2D(IwiHeader* header, Texture2D* texture);
-        static void FillHeaderCube(IwiHeader* header, TextureCube* texture);
-        static void FillHeader3D(IwiHeader* header, Texture3D* texture);
+        static void FillHeader2D(IwiHeader& header, const Texture2D& texture);
+        static void FillHeaderCube(IwiHeader& header, const TextureCube& texture);
+        static void FillHeader3D(IwiHeader& header, const Texture3D& texture);
 
     public:
         IwiWriter();
@@ -25,6 +25,6 @@ namespace iwi8
 
         bool SupportsImageFormat(const ImageFormat* imageFormat) override;
         std::string GetFileExtension() override;
-        void DumpImage(std::ostream& stream, Texture* texture) override;
+        void DumpImage(std::ostream& stream, const Texture* texture) override;
     };
 } // namespace iwi8

src/ObjImage/Image/Texture.cpp

@@ -77,6 +77,11 @@ uint8_t* Texture::GetBufferForMipLevel(const int mipLevel)
     return GetBufferForMipLevel(mipLevel, 0);
 }
 
+const uint8_t* Texture::GetBufferForMipLevel(const int mipLevel) const
+{
+    return GetBufferForMipLevel(mipLevel, 0);
+}
+
 // ==============================================
 // ================ Texture2D ===================
 // ==============================================
@@ -183,6 +188,31 @@ uint8_t* Texture2D::GetBufferForMipLevel(const int mipLevel, const int face)
     return &m_data[bufferOffset];
 }
 
+const uint8_t* Texture2D::GetBufferForMipLevel(const int mipLevel, const int face) const
+{
+    assert(mipLevel >= 0);
+    assert(mipLevel < (m_has_mip_maps ? GetMipMapCount() : 1));
+    assert(face == 0);
+    assert(m_data);
+
+    if (mipLevel < 0 || mipLevel >= (m_has_mip_maps ? GetMipMapCount() : 1))
+        return nullptr;
+
+    if (face != 0)
+        return nullptr;
+
+    if (!m_data)
+        return nullptr;
+
+    size_t bufferOffset = 0;
+    for (int previousMipLevel = 0; previousMipLevel < mipLevel; previousMipLevel++)
+    {
+        bufferOffset += GetSizeOfMipLevel(previousMipLevel);
+    }
+
+    return &m_data[bufferOffset];
+}
+
 // ==============================================
 // =============== TextureCube ==================
 // ==============================================
@@ -251,6 +281,32 @@ uint8_t* TextureCube::GetBufferForMipLevel(const int mipLevel, const int face)
     return &m_data[bufferOffset + GetSizeOfMipLevel(mipLevel) * face];
 }
 
+const uint8_t* TextureCube::GetBufferForMipLevel(const int mipLevel, const int face) const
+{
+    assert(mipLevel >= 0);
+    assert(mipLevel < (m_has_mip_maps ? GetMipMapCount() : 1));
+    assert(face >= 0);
+    assert(face < FACE_COUNT);
+    assert(m_data);
+
+    if (mipLevel < 0 || mipLevel >= (m_has_mip_maps ? GetMipMapCount() : 1))
+        return nullptr;
+
+    if (face < 0 || face >= FACE_COUNT)
+        return nullptr;
+
+    if (!m_data)
+        return nullptr;
+
+    size_t bufferOffset = 0;
+    for (int previousMipLevel = 0; previousMipLevel < mipLevel; previousMipLevel++)
+    {
+        bufferOffset += GetSizeOfMipLevel(previousMipLevel) * FACE_COUNT;
+    }
+
+    return &m_data[bufferOffset + GetSizeOfMipLevel(mipLevel) * face];
+}
+
 // ==============================================
 // ================ Texture3D ===================
 // ==============================================
@@ -360,3 +416,28 @@ uint8_t* Texture3D::GetBufferForMipLevel(const int mipLevel, const int face)
 
     return &m_data[bufferOffset];
 }
+
+const uint8_t* Texture3D::GetBufferForMipLevel(const int mipLevel, const int face) const
+{
+    assert(mipLevel >= 0);
+    assert(mipLevel < (m_has_mip_maps ? GetMipMapCount() : 1));
+    assert(face == 0);
+    assert(m_data);
+
+    if (mipLevel < 0 || mipLevel >= (m_has_mip_maps ? GetMipMapCount() : 1))
+        return nullptr;
+
+    if (face != 0)
+        return nullptr;
+
+    if (!m_data)
+        return nullptr;
+
+    size_t bufferOffset = 0;
+    for (int previousMipLevel = 0; previousMipLevel < mipLevel; previousMipLevel++)
+    {
+        bufferOffset += GetSizeOfMipLevel(previousMipLevel);
+    }
+
+    return &m_data[bufferOffset];
+}

src/ObjImage/Image/Texture.h

@@ -0,0 +1,132 @@
+#pragma once
+#include "ImageFormat.h"
+
+#include <cstdint>
+
+enum class TextureType : std::uint8_t
+{
+    T_2D,
+    T_CUBE,
+    T_3D
+};
+
+class Texture
+{
+protected:
+    const ImageFormat* m_format;
+    bool m_has_mip_maps;
+    uint8_t* m_data;
+
+    Texture(const ImageFormat* format, bool mipMaps);
+    Texture(Texture&& other) noexcept;
+
+    Texture& operator=(Texture&& other) noexcept;
+
+public:
+    Texture(const Texture& other) = delete;
+    virtual ~Texture();
+
+    Texture& operator=(const Texture& other) = delete;
+
+    [[nodiscard]] virtual TextureType GetTextureType() const = 0;
+    [[nodiscard]] const ImageFormat* GetFormat() const;
+
+    [[nodiscard]] virtual unsigned GetWidth() const = 0;
+    [[nodiscard]] virtual unsigned GetHeight() const = 0;
+    [[nodiscard]] virtual unsigned GetDepth() const = 0;
+    [[nodiscard]] virtual int GetFaceCount() const = 0;
+
+    void Allocate();
+    [[nodiscard]] bool Empty() const;
+
+    [[nodiscard]] virtual size_t GetSizeOfMipLevel(int mipLevel) const = 0;
+    [[nodiscard]] virtual uint8_t* GetBufferForMipLevel(int mipLevel, int face) = 0;
+    [[nodiscard]] virtual const uint8_t* GetBufferForMipLevel(int mipLevel, int face) const = 0;
+    [[nodiscard]] uint8_t* GetBufferForMipLevel(int mipLevel);
+    [[nodiscard]] const uint8_t* GetBufferForMipLevel(int mipLevel) const;
+
+    [[nodiscard]] bool HasMipMaps() const;
+    [[nodiscard]] virtual int GetMipMapCount() const = 0;
+};
+
+class Texture2D : public Texture
+{
+protected:
+    unsigned m_width;
+    unsigned m_height;
+
+public:
+    Texture2D(const ImageFormat* format, unsigned width, unsigned height);
+    Texture2D(const ImageFormat* format, unsigned width, unsigned height, bool mipMaps);
+    Texture2D(const Texture2D& other) = delete;
+    Texture2D(Texture2D&& other) noexcept;
+    ~Texture2D() override;
+
+    Texture2D& operator=(const Texture2D& other) = delete;
+    Texture2D& operator=(Texture2D&& other) noexcept;
+
+    [[nodiscard]] TextureType GetTextureType() const override;
+
+    [[nodiscard]] unsigned GetWidth() const override;
+    [[nodiscard]] unsigned GetHeight() const override;
+    [[nodiscard]] unsigned GetDepth() const override;
+    [[nodiscard]] int GetFaceCount() const override;
+
+    [[nodiscard]] size_t GetSizeOfMipLevel(int mipLevel) const override;
+    [[nodiscard]] uint8_t* GetBufferForMipLevel(int mipLevel, int face) override;
+    [[nodiscard]] const uint8_t* GetBufferForMipLevel(int mipLevel, int face) const override;
+
+    [[nodiscard]] int GetMipMapCount() const override;
+};
+
+class TextureCube final : public Texture2D
+{
+    static const int FACE_COUNT;
+
+public:
+    TextureCube(const ImageFormat* format, unsigned width, unsigned height);
+    TextureCube(const ImageFormat* format, unsigned width, unsigned height, bool mipMaps);
+    TextureCube(const TextureCube& other) = delete;
+    TextureCube(TextureCube&& other) noexcept;
+    ~TextureCube() override;
+
+    TextureCube& operator=(const TextureCube& other) = delete;
+    TextureCube& operator=(TextureCube&& other) noexcept;
+
+    [[nodiscard]] TextureType GetTextureType() const override;
+
+    [[nodiscard]] int GetFaceCount() const override;
+
+    [[nodiscard]] uint8_t* GetBufferForMipLevel(int mipLevel, int face) override;
+    [[nodiscard]] const uint8_t* GetBufferForMipLevel(int mipLevel, int face) const override;
+};
+
+class Texture3D final : public Texture
+{
+    unsigned m_width;
+    unsigned m_height;
+    unsigned m_depth;
+
+public:
+    Texture3D(const ImageFormat* format, unsigned width, unsigned height, unsigned depth);
+    Texture3D(const ImageFormat* format, unsigned width, unsigned height, unsigned depth, bool mipMaps);
+    Texture3D(const Texture3D& other) = delete;
+    Texture3D(Texture3D&& other) noexcept;
+    ~Texture3D() override;
+
+    Texture3D& operator=(const Texture3D& other) = delete;
+    Texture3D& operator=(Texture3D&& other) noexcept;
+
+    [[nodiscard]] TextureType GetTextureType() const override;
+
+    [[nodiscard]] unsigned GetWidth() const override;
+    [[nodiscard]] unsigned GetHeight() const override;
+    [[nodiscard]] unsigned GetDepth() const override;
+    [[nodiscard]] int GetFaceCount() const override;
+
+    [[nodiscard]] size_t GetSizeOfMipLevel(int mipLevel) const override;
+    [[nodiscard]] uint8_t* GetBufferForMipLevel(int mipLevel, int face) override;
+    [[nodiscard]] const uint8_t* GetBufferForMipLevel(int mipLevel, int face) const override;
+
+    [[nodiscard]] int GetMipMapCount() const override;
+};

src/ObjImage/Image/TextureConverter.cpp

@@ -104,7 +104,7 @@ void TextureConverter::SetPixelFunctions(const unsigned inBitCount, const unsign
     }
 }
 
-TextureConverter::TextureConverter(Texture* inputTexture, const ImageFormat* targetFormat)
+TextureConverter::TextureConverter(const Texture* inputTexture, const ImageFormat* targetFormat)
     : m_input_texture(inputTexture),
       m_output_texture(nullptr),
       m_input_format(inputTexture->GetFormat()),
@@ -117,15 +117,17 @@ void TextureConverter::CreateOutputTexture()
     switch (m_input_texture->GetTextureType())
     {
     case TextureType::T_2D:
-        m_output_texture = new Texture2D(m_output_format, m_input_texture->GetWidth(), m_input_texture->GetHeight(), m_input_texture->HasMipMaps());
+        m_output_texture =
+            std::make_unique<Texture2D>(m_output_format, m_input_texture->GetWidth(), m_input_texture->GetHeight(), m_input_texture->HasMipMaps());
         break;
 
     case TextureType::T_CUBE:
-        m_output_texture = new TextureCube(m_output_format, m_input_texture->GetWidth(), m_input_texture->GetHeight(), m_input_texture->HasMipMaps());
+        m_output_texture =
+            std::make_unique<TextureCube>(m_output_format, m_input_texture->GetWidth(), m_input_texture->GetHeight(), m_input_texture->HasMipMaps());
         break;
 
     case TextureType::T_3D:
-        m_output_texture = new Texture3D(
+        m_output_texture = std::make_unique<Texture3D>(
             m_output_format, m_input_texture->GetWidth(), m_input_texture->GetHeight(), m_input_texture->GetDepth(), m_input_texture->HasMipMaps());
         break;
     default:
@@ -202,7 +204,7 @@ void TextureConverter::ConvertUnsignedToUnsigned()
     }
 }
 
-Texture* TextureConverter::Convert()
+std::unique_ptr<Texture> TextureConverter::Convert()
 {
     CreateOutputTexture();
 
@@ -216,5 +218,5 @@ Texture* TextureConverter::Convert()
         assert(false);
     }
 
-    return m_output_texture;
+    return std::move(m_output_texture);
 }

src/ObjImage/Image/TextureConverter.h

@@ -3,17 +3,16 @@
 #include "Texture.h"
 
 #include <functional>
+#include <memory>
 
 class TextureConverter
 {
-    Texture* m_input_texture;
-    Texture* m_output_texture;
-    const ImageFormat* m_input_format;
-    const ImageFormat* m_output_format;
+public:
+    TextureConverter(const Texture* inputTexture, const ImageFormat* targetFormat);
 
-    std::function<uint64_t(const void* offset, unsigned bitCount)> m_read_pixel_func;
-    std::function<void(void* offset, uint64_t pixel, unsigned bitCount)> m_write_pixel_func;
+    std::unique_ptr<Texture> Convert();
 
+private:
     static constexpr uint64_t Mask1(unsigned length);
     void SetPixelFunctions(unsigned inBitCount, unsigned outBitCount);
 
@@ -22,8 +21,11 @@ class TextureConverter
     void ReorderUnsignedToUnsigned() const;
     void ConvertUnsignedToUnsigned();
 
-public:
-    TextureConverter(Texture* inputTexture, const ImageFormat* targetFormat);
+    std::function<uint64_t(const void* offset, unsigned bitCount)> m_read_pixel_func;
+    std::function<void(void* offset, uint64_t pixel, unsigned bitCount)> m_write_pixel_func;
 
-    Texture* Convert();
+    const Texture* m_input_texture;
+    std::unique_ptr<Texture> m_output_texture;
+    const ImageFormat* m_input_format;
+    const ImageFormat* m_output_format;
 };

src/ObjLoading.lua

@@ -3,6 +3,7 @@ ObjLoading = {}
 function ObjLoading:include(includes)
 	if includes:handle(self:name()) then
 		ObjCommon:include(includes)
+		ObjImage:include(includes)
 		ZoneCommon:include(includes)
 		includedirs {
 			path.join(ProjectFolder(), "ObjLoading")
@@ -14,6 +15,7 @@ function ObjLoading:link(links)
 	links:add(self:name())
 	links:linkto(Utils)
 	links:linkto(ObjCommon)
+	links:linkto(ObjImage)
 	links:linkto(ZoneCommon)
 	links:linkto(minilzo)
 	links:linkto(minizip)

src/ObjLoading/AssetLoading/AssetLoadingContext.cpp

@@ -1,6 +1,6 @@
 #include "AssetLoadingContext.h"
 
-AssetLoadingContext::AssetLoadingContext(Zone* zone, ISearchPath* rawSearchPath, std::vector<Gdt*> gdtFiles)
+AssetLoadingContext::AssetLoadingContext(Zone& zone, ISearchPath& rawSearchPath, std::vector<Gdt*> gdtFiles)
     : m_zone(zone),
       m_raw_search_path(rawSearchPath),
       m_gdt_files(std::move(gdtFiles))
@@ -10,7 +10,7 @@ AssetLoadingContext::AssetLoadingContext(Zone* zone, ISearchPath* rawSearchPath,
 
 void AssetLoadingContext::BuildGdtEntryCache()
 {
-    for (auto* gdt : m_gdt_files)
+    for (const auto* gdt : m_gdt_files)
     {
         for (const auto& entry : gdt->m_entries)
         {

src/ObjLoading/AssetLoading/AssetLoadingContext.h

@@ -12,18 +12,8 @@
 
 class AssetLoadingContext final : public IGdtQueryable
 {
-    std::unordered_map<std::string, std::unordered_map<std::string, GdtEntry*>> m_entries_by_gdf_and_by_name;
-    std::unordered_map<std::type_index, std::unique_ptr<IZoneAssetLoaderState>> m_zone_asset_loader_states;
-
-    void BuildGdtEntryCache();
-
 public:
-    Zone* const m_zone;
-    ISearchPath* const m_raw_search_path;
-    const std::vector<Gdt*> m_gdt_files;
-    std::unordered_map<std::string, asset_type_t> m_ignored_asset_map;
-
-    AssetLoadingContext(Zone* zone, ISearchPath* rawSearchPath, std::vector<Gdt*> gdtFiles);
+    AssetLoadingContext(Zone& zone, ISearchPath& rawSearchPath, std::vector<Gdt*> gdtFiles);
     GdtEntry* GetGdtEntryByGdfAndName(const std::string& gdfName, const std::string& entryName) override;
 
     template<typename T> T* GetZoneAssetLoaderState()
@@ -36,9 +26,21 @@ public:
             return dynamic_cast<T*>(foundEntry->second.get());
 
         auto newState = std::make_unique<T>();
-        newState->SetZone(m_zone);
+        newState->SetZone(&m_zone);
         auto* newStatePtr = newState.get();
         m_zone_asset_loader_states.emplace(std::make_pair<std::type_index, std::unique_ptr<IZoneAssetLoaderState>>(typeid(T), std::move(newState)));
         return newStatePtr;
     }
+
+private:
+    void BuildGdtEntryCache();
+
+public:
+    Zone& m_zone;
+    ISearchPath& m_raw_search_path;
+    const std::vector<Gdt*> m_gdt_files;
+    std::unordered_map<std::string, asset_type_t> m_ignored_asset_map;
+
+    std::unordered_map<std::string, std::unordered_map<std::string, GdtEntry*>> m_entries_by_gdf_and_by_name;
+    std::unordered_map<std::type_index, std::unique_ptr<IZoneAssetLoaderState>> m_zone_asset_loader_states;
 };

src/ObjLoading/AssetLoading/AssetLoadingManager.cpp

@@ -6,7 +6,8 @@
 #include <format>
 #include <iostream>
 
-AssetLoadingManager::AssetLoadingManager(const std::map<asset_type_t, std::unique_ptr<IAssetLoader>>& assetLoadersByType, AssetLoadingContext& context)
+AssetLoadingManager::AssetLoadingManager(const std::unordered_map<asset_type_t, std::unique_ptr<IAssetLoader>>& assetLoadersByType,
+                                         AssetLoadingContext& context)
     : m_asset_loaders_by_type(assetLoadersByType),
       m_context(context),
       m_last_dependency_loaded(nullptr)
@@ -28,26 +29,26 @@ XAssetInfoGeneric* AssetLoadingManager::AddAssetInternal(std::unique_ptr<XAssetI
     const auto assetType = xAssetInfo->m_type;
     const auto* pAssetName = xAssetInfo->m_name.c_str();
 
-    m_last_dependency_loaded = m_context.m_zone->m_pools->AddAsset(std::move(xAssetInfo));
+    m_last_dependency_loaded = m_context.m_zone.m_pools->AddAsset(std::move(xAssetInfo));
     if (m_last_dependency_loaded == nullptr)
-        std::cerr << "Failed to add asset of type \"" << m_context.m_zone->m_pools->GetAssetTypeName(assetType) << "\" to pool: \"" << pAssetName << "\"\n";
+        std::cerr << std::format("Failed to add asset of type \"{}\" to pool: \"{}\"\n", m_context.m_zone.m_pools->GetAssetTypeName(assetType), pAssetName);
 
     return m_last_dependency_loaded;
 }
 
 XAssetInfoGeneric* AssetLoadingManager::AddAsset(std::unique_ptr<XAssetInfoGeneric> xAssetInfo)
 {
-    xAssetInfo->m_zone = m_context.m_zone;
+    xAssetInfo->m_zone = &m_context.m_zone;
     return AddAssetInternal(std::move(xAssetInfo));
 }
 
 XAssetInfoGeneric* AssetLoadingManager::LoadIgnoredDependency(const asset_type_t assetType, const std::string& assetName, IAssetLoader* loader)
 {
-    auto* alreadyLoadedAsset = m_context.m_zone->m_pools->GetAssetOrAssetReference(assetType, assetName);
+    auto* alreadyLoadedAsset = m_context.m_zone.m_pools->GetAssetOrAssetReference(assetType, assetName);
     if (alreadyLoadedAsset)
         return alreadyLoadedAsset;
 
-    auto* linkAsset = loader->CreateEmptyAsset(assetName, m_context.m_zone->GetMemory());
+    auto* linkAsset = loader->CreateEmptyAsset(assetName, m_context.m_zone.GetMemory());
     if (linkAsset)
     {
         AddAsset(std::make_unique<XAssetInfoGeneric>(assetType, assetName, linkAsset));
@@ -65,21 +66,21 @@ XAssetInfoGeneric* AssetLoadingManager::LoadIgnoredDependency(const asset_type_t
         return lastDependency;
     }
 
-    std::cerr << "Failed to create empty asset \"" << assetName << "\" for type \"" << m_context.m_zone->m_pools->GetAssetTypeName(assetType) << "\"\n";
+    std::cerr << std::format("Failed to create empty asset \"{}\" for type \"{}\"\n", assetName, m_context.m_zone.m_pools->GetAssetTypeName(assetType));
     return nullptr;
 }
 
 XAssetInfoGeneric* AssetLoadingManager::LoadAssetDependency(const asset_type_t assetType, const std::string& assetName, const IAssetLoader* loader)
 {
     if (loader->CanLoadFromGdt() && !m_context.m_gdt_files.empty()
-        && loader->LoadFromGdt(assetName, &m_context, m_context.m_zone->GetMemory(), this, m_context.m_zone))
+        && loader->LoadFromGdt(assetName, &m_context, m_context.m_zone.GetMemory(), this, &m_context.m_zone))
     {
         auto* lastDependency = m_last_dependency_loaded;
         m_last_dependency_loaded = nullptr;
         return lastDependency;
     }
 
-    if (loader->CanLoadFromRaw() && loader->LoadFromRaw(assetName, m_context.m_raw_search_path, m_context.m_zone->GetMemory(), this, m_context.m_zone))
+    if (loader->CanLoadFromRaw() && loader->LoadFromRaw(assetName, &m_context.m_raw_search_path, m_context.m_zone.GetMemory(), this, &m_context.m_zone))
     {
         auto* lastDependency = m_last_dependency_loaded;
         m_last_dependency_loaded = nullptr;
@@ -110,7 +111,7 @@ XAssetInfoGeneric* AssetLoadingManager::LoadAssetDependency(const asset_type_t a
         // Make sure any used script string is available in the created zone
         // The replacement of the scr_string_t values will be done upon writing
         for (const auto scrString : existingAsset->m_used_script_strings)
-            m_context.m_zone->m_script_strings.AddOrGetScriptString(existingAsset->m_zone->m_script_strings.CValue(scrString));
+            m_context.m_zone.m_script_strings.AddOrGetScriptString(existingAsset->m_zone->m_script_strings.CValue(scrString));
 
         AddAssetInternal(std::make_unique<XAssetInfoGeneric>(existingAsset->m_type,
                                                              existingAsset->m_name,
@@ -125,13 +126,13 @@ XAssetInfoGeneric* AssetLoadingManager::LoadAssetDependency(const asset_type_t a
         return lastDependency;
     }
 
-    std::cerr << "Failed to load asset of type \"" << m_context.m_zone->m_pools->GetAssetTypeName(assetType) << "\": \"" << assetName << "\"\n";
+    std::cerr << std::format("Failed to load asset of type \"{}\": \"{}\"\n", m_context.m_zone.m_pools->GetAssetTypeName(assetType), assetName);
     return nullptr;
 }
 
 XAssetInfoGeneric* AssetLoadingManager::LoadDependency(const asset_type_t assetType, const std::string& assetName)
 {
-    auto* alreadyLoadedAsset = m_context.m_zone->m_pools->GetAssetOrAssetReference(assetType, assetName);
+    auto* alreadyLoadedAsset = m_context.m_zone.m_pools->GetAssetOrAssetReference(assetType, assetName);
     if (alreadyLoadedAsset)
         return alreadyLoadedAsset;
 
@@ -149,13 +150,13 @@ XAssetInfoGeneric* AssetLoadingManager::LoadDependency(const asset_type_t assetT
         return LoadAssetDependency(assetType, assetName, loader->second.get());
     }
 
-    std::cerr << "Failed to find loader for asset type \"" << m_context.m_zone->m_pools->GetAssetTypeName(assetType) << "\"\n";
+    std::cerr << std::format("Failed to find loader for asset type \"{}\"\n", m_context.m_zone.m_pools->GetAssetTypeName(assetType));
     return nullptr;
 }
 
 IndirectAssetReference AssetLoadingManager::LoadIndirectAssetReference(const asset_type_t assetType, const std::string& assetName)
 {
-    const auto* alreadyLoadedAsset = m_context.m_zone->m_pools->GetAssetOrAssetReference(assetType, assetName);
+    const auto* alreadyLoadedAsset = m_context.m_zone.m_pools->GetAssetOrAssetReference(assetType, assetName);
     if (alreadyLoadedAsset)
         return IndirectAssetReference(assetType, assetName);
 
@@ -170,6 +171,6 @@ IndirectAssetReference AssetLoadingManager::LoadIndirectAssetReference(const ass
         return IndirectAssetReference(assetType, assetName);
     }
 
-    std::cerr << "Failed to find loader for asset type \"" << m_context.m_zone->m_pools->GetAssetTypeName(assetType) << "\"\n";
+    std::cerr << std::format("Failed to find loader for asset type \"{}\"\n", m_context.m_zone.m_pools->GetAssetTypeName(assetType));
     return IndirectAssetReference(assetType, assetName);
 }

src/ObjLoading/AssetLoading/AssetLoadingManager.h

@@ -4,12 +4,12 @@
 #include "IAssetLoader.h"
 #include "IAssetLoadingManager.h"
 
-#include <map>
+#include <unordered_map>
 
 class AssetLoadingManager final : public IAssetLoadingManager
 {
 public:
-    AssetLoadingManager(const std::map<asset_type_t, std::unique_ptr<IAssetLoader>>& assetLoadersByType, AssetLoadingContext& context);
+    AssetLoadingManager(const std::unordered_map<asset_type_t, std::unique_ptr<IAssetLoader>>& assetLoadersByType, AssetLoadingContext& context);
 
     bool LoadAssetFromLoader(asset_type_t assetType, const std::string& assetName);
 
@@ -25,7 +25,7 @@ private:
 
     XAssetInfoGeneric* AddAssetInternal(std::unique_ptr<XAssetInfoGeneric> xAssetInfo);
 
-    const std::map<asset_type_t, std::unique_ptr<IAssetLoader>>& m_asset_loaders_by_type;
+    const std::unordered_map<asset_type_t, std::unique_ptr<IAssetLoader>>& m_asset_loaders_by_type;
     AssetLoadingContext& m_context;
     XAssetInfoGeneric* m_last_dependency_loaded;
 };

src/ObjLoading/AssetLoading/IAssetLoader.h

@@ -46,7 +46,7 @@ public:
         return false;
     }
 
-    virtual void FinalizeAssetsForZone(AssetLoadingContext* context) const
+    virtual void FinalizeAssetsForZone(AssetLoadingContext& context) const
     {
         // Do nothing by default
     }

src/ObjLoading/Game/IW3/AssetLoaders/AssetLoaderGfxImage.cpp

@@ -5,7 +5,9 @@
 #include "Image/IwiTypes.h"
 #include "Pool/GlobalAssetPool.h"
 
+#include <algorithm>
 #include <cstring>
+#include <format>
 #include <iostream>
 
 using namespace IW3;
@@ -32,29 +34,16 @@ bool AssetLoaderGfxImage::LoadFromRaw(
         return false;
 
     std::string safeAssetName = assetName;
-    for (auto& c : safeAssetName)
-    {
-        switch (c)
-        {
-        case '*':
-            c = '_';
-            break;
+    std::ranges::replace(safeAssetName, '*', '_');
 
-        default:
-            break;
-        }
-    }
-
-    const auto file = searchPath->Open("images/" + safeAssetName + ".dds");
+    const auto file = searchPath->Open(std::format("images/{}.dds", safeAssetName));
     if (!file.IsOpen())
         return false;
 
-    const DdsLoader ddsLoader(zone->GetMemory());
-    auto* texture = ddsLoader.LoadDds(*file.m_stream);
-
-    if (texture == nullptr)
+    const auto texture = dds::LoadDds(*file.m_stream);
+    if (!texture)
     {
-        std::cout << "Failed to load dds file for image asset \"" << assetName << "\"\n";
+        std::cerr << std::format("Failed to load dds file for image asset \"{}\"\n", assetName);
         return false;
     }
 

src/ObjLoading/Game/IW3/ObjLoaderIW3.cpp

@@ -4,13 +4,7 @@
 #include "AssetLoaders/AssetLoaderLocalizeEntry.h"
 #include "AssetLoaders/AssetLoaderRawFile.h"
 #include "AssetLoading/AssetLoadingManager.h"
-#include "Game/IW3/GameAssetPoolIW3.h"
 #include "Game/IW3/GameIW3.h"
-#include "Image/Dx9TextureLoader.h"
-#include "Image/IwiLoader.h"
-#include "Image/IwiTypes.h"
-#include "Image/Texture.h"
-#include "ObjContainer/IPak/IPak.h"
 #include "ObjLoading.h"
 
 using namespace IW3;
@@ -54,129 +48,32 @@ ObjLoader::ObjLoader()
 #undef REGISTER_ASSET_LOADER
 }
 
-bool ObjLoader::SupportsZone(Zone* zone) const
+bool ObjLoader::SupportsZone(const Zone& zone) const
 {
-    return zone->m_game == &g_GameIW3;
+    return zone.m_game == &g_GameIW3;
 }
 
-bool ObjLoader::IsMpZone(Zone* zone)
+bool ObjLoader::IsMpZone(const Zone& zone)
 {
-    return zone->m_name.compare(0, 3, "mp_") == 0 || zone->m_name.compare(zone->m_name.length() - 3, 3, "_mp") == 0;
+    return zone.m_name.compare(0, 3, "mp_") == 0 || zone.m_name.compare(zone.m_name.length() - 3, 3, "_mp") == 0;
 }
 
-bool ObjLoader::IsZmZone(Zone* zone)
+bool ObjLoader::IsZmZone(const Zone& zone)
 {
-    return zone->m_name.compare(0, 3, "zm_") == 0 || zone->m_name.compare(zone->m_name.length() - 3, 3, "_zm") == 0;
+    return zone.m_name.compare(0, 3, "zm_") == 0 || zone.m_name.compare(zone.m_name.length() - 3, 3, "_zm") == 0;
 }
 
-void ObjLoader::LoadReferencedContainersForZone(ISearchPath* searchPath, Zone* zone) const {}
+void ObjLoader::LoadReferencedContainersForZone(ISearchPath& searchPath, Zone& zone) const {}
 
-void ObjLoader::UnloadContainersOfZone(Zone* zone) const {}
+void ObjLoader::UnloadContainersOfZone(Zone& zone) const {}
 
-void ObjLoader::LoadImageFromLoadDef(GfxImage* image, Zone* zone)
+bool ObjLoader::LoadAssetForZone(AssetLoadingContext& context, const asset_type_t assetType, const std::string& assetName) const
 {
-    const auto* loadDef = image->texture.loadDef;
-    Dx9TextureLoader textureLoader(zone->GetMemory());
-
-    textureLoader.Width(loadDef->dimensions[0]).Height(loadDef->dimensions[1]).Depth(loadDef->dimensions[2]);
-
-    if (loadDef->flags & iwi6::IMG_FLAG_VOLMAP)
-        textureLoader.Type(TextureType::T_3D);
-    else if (loadDef->flags & iwi6::IMG_FLAG_CUBEMAP)
-        textureLoader.Type(TextureType::T_CUBE);
-    else
-        textureLoader.Type(TextureType::T_2D);
-
-    textureLoader.Format(static_cast<oat::D3DFORMAT>(loadDef->format));
-    textureLoader.HasMipMaps(!(loadDef->flags & iwi6::IMG_FLAG_NOMIPMAPS));
-    Texture* loadedTexture = textureLoader.LoadTexture(image->texture.loadDef->data);
-
-    if (loadedTexture != nullptr)
-    {
-        image->texture.texture = loadedTexture;
-        image->cardMemory.platform[0] = 0;
-
-        const auto textureMipCount = loadedTexture->GetMipMapCount();
-        for (auto mipLevel = 0; mipLevel < textureMipCount; mipLevel++)
-            image->cardMemory.platform[0] += static_cast<int>(loadedTexture->GetSizeOfMipLevel(mipLevel) * loadedTexture->GetFaceCount());
-    }
-}
-
-void ObjLoader::LoadImageFromIwi(GfxImage* image, ISearchPath* searchPath, Zone* zone)
-{
-    Texture* loadedTexture = nullptr;
-    IwiLoader loader(zone->GetMemory());
-
-    const auto imageFileName = "images/" + std::string(image->name) + ".iwi";
-
-    {
-        const auto filePathImage = searchPath->Open(imageFileName);
-        if (filePathImage.IsOpen())
-        {
-            loadedTexture = loader.LoadIwi(*filePathImage.m_stream);
-        }
-    }
-
-    if (loadedTexture != nullptr)
-    {
-        image->texture.texture = loadedTexture;
-        image->cardMemory.platform[0] = 0;
-
-        const auto textureMipCount = loadedTexture->GetMipMapCount();
-        for (auto mipLevel = 0; mipLevel < textureMipCount; mipLevel++)
-            image->cardMemory.platform[0] += static_cast<int>(loadedTexture->GetSizeOfMipLevel(mipLevel) * loadedTexture->GetFaceCount());
-    }
-    else
-    {
-        printf("Could not find data for image \"%s\"\n", image->name);
-    }
-}
-
-void ObjLoader::LoadImageData(ISearchPath* searchPath, Zone* zone)
-{
-    auto* assetPool = dynamic_cast<GameAssetPoolIW3*>(zone->m_pools.get());
-
-    if (assetPool && assetPool->m_image != nullptr)
-    {
-        for (auto* imageEntry : *assetPool->m_image)
-        {
-            auto* image = imageEntry->Asset();
-
-            if (image->cardMemory.platform[0] > 0)
-            {
-                continue;
-            }
-
-            // Do not load linked assets
-            if (image->name && image->name[0] == ',')
-            {
-                continue;
-            }
-
-            if (image->texture.loadDef && image->texture.loadDef->resourceSize > 0)
-            {
-                LoadImageFromLoadDef(image, zone);
-            }
-            else
-            {
-                LoadImageFromIwi(image, searchPath, zone);
-            }
-        }
-    }
-}
-
-void ObjLoader::LoadObjDataForZone(ISearchPath* searchPath, Zone* zone) const
-{
-    LoadImageData(searchPath, zone);
-}
-
-bool ObjLoader::LoadAssetForZone(AssetLoadingContext* context, const asset_type_t assetType, const std::string& assetName) const
-{
-    AssetLoadingManager assetLoadingManager(m_asset_loaders_by_type, *context);
+    AssetLoadingManager assetLoadingManager(m_asset_loaders_by_type, context);
     return assetLoadingManager.LoadAssetFromLoader(assetType, assetName);
 }
 
-void ObjLoader::FinalizeAssetsForZone(AssetLoadingContext* context) const
+void ObjLoader::FinalizeAssetsForZone(AssetLoadingContext& context) const
 {
     for (const auto& [type, loader] : m_asset_loaders_by_type)
         loader->FinalizeAssetsForZone(context);

src/ObjLoading/Game/IW3/ObjLoaderIW3.h

@@ -1,37 +1,30 @@
 #pragma once
 
 #include "AssetLoading/IAssetLoader.h"
-#include "Game/IW3/IW3.h"
 #include "IObjLoader.h"
 #include "SearchPath/ISearchPath.h"
 
-#include <map>
 #include <memory>
+#include <unordered_map>
 
 namespace IW3
 {
     class ObjLoader final : public IObjLoader
     {
-        std::map<asset_type_t, std::unique_ptr<IAssetLoader>> m_asset_loaders_by_type;
+        std::unordered_map<asset_type_t, std::unique_ptr<IAssetLoader>> m_asset_loaders_by_type;
 
-        static void LoadImageFromIwi(GfxImage* image, ISearchPath* searchPath, Zone* zone);
-        static void LoadImageFromLoadDef(GfxImage* image, Zone* zone);
-        static void LoadImageData(ISearchPath* searchPath, Zone* zone);
-
-        static bool IsMpZone(Zone* zone);
-        static bool IsZmZone(Zone* zone);
+        static bool IsMpZone(const Zone& zone);
+        static bool IsZmZone(const Zone& zone);
 
     public:
         ObjLoader();
 
-        bool SupportsZone(Zone* zone) const override;
+        [[nodiscard]] bool SupportsZone(const Zone& zone) const override;
 
-        void LoadReferencedContainersForZone(ISearchPath* searchPath, Zone* zone) const override;
-        void UnloadContainersOfZone(Zone* zone) const override;
+        void LoadReferencedContainersForZone(ISearchPath& searchPath, Zone& zone) const override;
+        void UnloadContainersOfZone(Zone& zone) const override;
 
-        void LoadObjDataForZone(ISearchPath* searchPath, Zone* zone) const override;
-
-        bool LoadAssetForZone(AssetLoadingContext* context, asset_type_t assetType, const std::string& assetName) const override;
-        void FinalizeAssetsForZone(AssetLoadingContext* context) const override;
+        bool LoadAssetForZone(AssetLoadingContext& context, asset_type_t assetType, const std::string& assetName) const override;
+        void FinalizeAssetsForZone(AssetLoadingContext& context) const override;
     };
 } // namespace IW3

src/ObjLoading/Game/IW4/AssetLoaders/AssetLoaderMaterial.cpp

@@ -820,10 +820,10 @@ namespace IW4
             m_material->techniqueSet = techset->Asset();
 
             auto* loadingContext = m_manager->GetAssetLoadingContext();
-            auto* searchPath = loadingContext->m_raw_search_path;
+            auto& searchPath = loadingContext->m_raw_search_path;
             auto* definitionCache = loadingContext->GetZoneAssetLoaderState<techset::TechsetDefinitionCache>();
 
-            const auto* techsetDefinition = AssetLoaderTechniqueSet::LoadTechsetDefinition(techsetName, searchPath, definitionCache);
+            const auto* techsetDefinition = AssetLoaderTechniqueSet::LoadTechsetDefinition(techsetName, &searchPath, definitionCache);
             if (techsetDefinition == nullptr)
             {
                 std::ostringstream ss;
@@ -1375,7 +1375,7 @@ bool AssetLoaderMaterial::LoadFromGdt(
     if (!entry)
         return false;
 
-    MaterialGdtLoader loader(*entry, memory, manager->GetAssetLoadingContext()->m_raw_search_path, manager);
+    MaterialGdtLoader loader(*entry, memory, &manager->GetAssetLoadingContext()->m_raw_search_path, manager);
 
     try
     {

src/ObjLoading/Game/IW4/AssetLoaders/AssetLoaderMenuList.cpp

@@ -227,7 +227,7 @@ bool AssetLoaderMenuList::LoadFromRaw(
     return true;
 }
 
-void AssetLoaderMenuList::FinalizeAssetsForZone(AssetLoadingContext* context) const
+void AssetLoaderMenuList::FinalizeAssetsForZone(AssetLoadingContext& context) const
 {
-    context->GetZoneAssetLoaderState<MenuConversionZoneState>()->FinalizeSupportingData();
+    context.GetZoneAssetLoaderState<MenuConversionZoneState>()->FinalizeSupportingData();
 }

src/ObjLoading/Game/IW4/AssetLoaders/AssetLoaderMenuList.h

@@ -14,6 +14,6 @@ namespace IW4
         _NODISCARD bool CanLoadFromRaw() const override;
         bool
             LoadFromRaw(const std::string& assetName, ISearchPath* searchPath, MemoryManager* memory, IAssetLoadingManager* manager, Zone* zone) const override;
-        void FinalizeAssetsForZone(AssetLoadingContext* context) const override;
+        void FinalizeAssetsForZone(AssetLoadingContext& context) const override;
     };
 } // namespace IW4

src/ObjLoading/Game/IW4/Leaderboard/JsonLeaderboardDefLoader.h

@@ -3,6 +3,8 @@
 #include "Game/IW4/IW4.h"
 #include "Utils/MemoryManager.h"
 
+#include <istream>
+
 namespace IW4
 {
     bool LoadLeaderboardAsJson(std::istream& stream, LeaderboardDef& leaderboard, MemoryManager* memory);

src/ObjLoading/Game/IW4/ObjLoaderIW4.cpp

@@ -37,14 +37,9 @@
 #include "AssetLoaders/AssetLoaderXModel.h"
 #include "AssetLoaders/AssetLoaderXModelSurfs.h"
 #include "AssetLoading/AssetLoadingManager.h"
-#include "Game/IW4/GameAssetPoolIW4.h"
 #include "Game/IW4/GameIW4.h"
-#include "Image/Dx9TextureLoader.h"
 #include "Image/IwiLoader.h"
-#include "Image/IwiTypes.h"
-#include "Image/Texture.h"
 #include "ObjContainer/IPak/IPak.h"
-#include "ObjLoading.h"
 
 using namespace IW4;
 
@@ -97,129 +92,32 @@ ObjLoader::ObjLoader()
 #undef REGISTER_ASSET_LOADER
 }
 
-bool ObjLoader::SupportsZone(Zone* zone) const
+bool ObjLoader::SupportsZone(const Zone& zone) const
 {
-    return zone->m_game == &g_GameIW4;
+    return zone.m_game == &g_GameIW4;
 }
 
-bool ObjLoader::IsMpZone(Zone* zone)
+bool ObjLoader::IsMpZone(const Zone& zone)
 {
-    return zone->m_name.compare(0, 3, "mp_") == 0 || zone->m_name.compare(zone->m_name.length() - 3, 3, "_mp") == 0;
+    return zone.m_name.compare(0, 3, "mp_") == 0 || zone.m_name.compare(zone.m_name.length() - 3, 3, "_mp") == 0;
 }
 
-bool ObjLoader::IsZmZone(Zone* zone)
+bool ObjLoader::IsZmZone(const Zone& zone)
 {
-    return zone->m_name.compare(0, 3, "zm_") == 0 || zone->m_name.compare(zone->m_name.length() - 3, 3, "_zm") == 0;
+    return zone.m_name.compare(0, 3, "zm_") == 0 || zone.m_name.compare(zone.m_name.length() - 3, 3, "_zm") == 0;
 }
 
-void ObjLoader::LoadReferencedContainersForZone(ISearchPath* searchPath, Zone* zone) const {}
+void ObjLoader::LoadReferencedContainersForZone(ISearchPath& searchPath, Zone& zone) const {}
 
-void ObjLoader::UnloadContainersOfZone(Zone* zone) const {}
+void ObjLoader::UnloadContainersOfZone(Zone& zone) const {}
 
-void ObjLoader::LoadImageFromLoadDef(GfxImage* image, Zone* zone)
+bool ObjLoader::LoadAssetForZone(AssetLoadingContext& context, asset_type_t assetType, const std::string& assetName) const
 {
-    const auto* loadDef = image->texture.loadDef;
-    Dx9TextureLoader textureLoader(zone->GetMemory());
-
-    textureLoader.Width(image->width).Height(image->height).Depth(image->depth);
-
-    if ((loadDef->flags & iwi8::IMG_FLAG_MAPTYPE_MASK) == iwi8::IMG_FLAG_MAPTYPE_3D)
-        textureLoader.Type(TextureType::T_3D);
-    else if ((loadDef->flags & iwi8::IMG_FLAG_MAPTYPE_MASK) == iwi8::IMG_FLAG_MAPTYPE_CUBE)
-        textureLoader.Type(TextureType::T_CUBE);
-    else
-        textureLoader.Type(TextureType::T_2D);
-
-    textureLoader.Format(static_cast<oat::D3DFORMAT>(loadDef->format));
-    textureLoader.HasMipMaps(!(loadDef->flags & iwi8::IMG_FLAG_NOMIPMAPS));
-    Texture* loadedTexture = textureLoader.LoadTexture(image->texture.loadDef->data);
-
-    if (loadedTexture != nullptr)
-    {
-        image->texture.texture = loadedTexture;
-        image->cardMemory.platform[0] = 0;
-
-        const auto textureMipCount = loadedTexture->GetMipMapCount();
-        for (auto mipLevel = 0; mipLevel < textureMipCount; mipLevel++)
-            image->cardMemory.platform[0] += static_cast<int>(loadedTexture->GetSizeOfMipLevel(mipLevel) * loadedTexture->GetFaceCount());
-    }
-}
-
-void ObjLoader::LoadImageFromIwi(GfxImage* image, ISearchPath* searchPath, Zone* zone)
-{
-    Texture* loadedTexture = nullptr;
-    IwiLoader loader(zone->GetMemory());
-
-    const auto imageFileName = "images/" + std::string(image->name) + ".iwi";
-
-    {
-        const auto filePathImage = searchPath->Open(imageFileName);
-        if (filePathImage.IsOpen())
-        {
-            loadedTexture = loader.LoadIwi(*filePathImage.m_stream);
-        }
-    }
-
-    if (loadedTexture != nullptr)
-    {
-        image->texture.texture = loadedTexture;
-        image->cardMemory.platform[0] = 0;
-
-        const auto textureMipCount = loadedTexture->GetMipMapCount();
-        for (auto mipLevel = 0; mipLevel < textureMipCount; mipLevel++)
-            image->cardMemory.platform[0] += static_cast<int>(loadedTexture->GetSizeOfMipLevel(mipLevel) * loadedTexture->GetFaceCount());
-    }
-    else
-    {
-        printf("Could not find data for image \"%s\"\n", image->name);
-    }
-}
-
-void ObjLoader::LoadImageData(ISearchPath* searchPath, Zone* zone)
-{
-    auto* assetPool = dynamic_cast<GameAssetPoolIW4*>(zone->m_pools.get());
-
-    if (assetPool && assetPool->m_image != nullptr)
-    {
-        for (auto* imageEntry : *assetPool->m_image)
-        {
-            auto* image = imageEntry->Asset();
-
-            if (image->cardMemory.platform[0] > 0)
-            {
-                continue;
-            }
-
-            // Do not load linked assets
-            if (image->name && image->name[0] == ',')
-            {
-                continue;
-            }
-
-            if (image->texture.loadDef && image->texture.loadDef->resourceSize > 0)
-            {
-                LoadImageFromLoadDef(image, zone);
-            }
-            else
-            {
-                LoadImageFromIwi(image, searchPath, zone);
-            }
-        }
-    }
-}
-
-void ObjLoader::LoadObjDataForZone(ISearchPath* searchPath, Zone* zone) const
-{
-    LoadImageData(searchPath, zone);
-}
-
-bool ObjLoader::LoadAssetForZone(AssetLoadingContext* context, asset_type_t assetType, const std::string& assetName) const
-{
-    AssetLoadingManager assetLoadingManager(m_asset_loaders_by_type, *context);
+    AssetLoadingManager assetLoadingManager(m_asset_loaders_by_type, context);
     return assetLoadingManager.LoadAssetFromLoader(assetType, assetName);
 }
 
-void ObjLoader::FinalizeAssetsForZone(AssetLoadingContext* context) const
+void ObjLoader::FinalizeAssetsForZone(AssetLoadingContext& context) const
 {
     for (const auto& [type, loader] : m_asset_loaders_by_type)
         loader->FinalizeAssetsForZone(context);

src/ObjLoading/Game/IW4/ObjLoaderIW4.h

@@ -1,37 +1,31 @@
 #pragma once
 
 #include "AssetLoading/IAssetLoader.h"
-#include "Game/IW4/IW4.h"
 #include "IObjLoader.h"
 #include "SearchPath/ISearchPath.h"
 
-#include <map>
 #include <memory>
+#include <unordered_map>
 
 namespace IW4
 {
     class ObjLoader final : public IObjLoader
     {
-        std::map<asset_type_t, std::unique_ptr<IAssetLoader>> m_asset_loaders_by_type;
-
-        static void LoadImageFromIwi(GfxImage* image, ISearchPath* searchPath, Zone* zone);
-        static void LoadImageFromLoadDef(GfxImage* image, Zone* zone);
-        static void LoadImageData(ISearchPath* searchPath, Zone* zone);
-
-        static bool IsMpZone(Zone* zone);
-        static bool IsZmZone(Zone* zone);
-
     public:
         ObjLoader();
 
-        bool SupportsZone(Zone* zone) const override;
+        [[nodiscard]] bool SupportsZone(const Zone& zone) const override;
 
-        void LoadReferencedContainersForZone(ISearchPath* searchPath, Zone* zone) const override;
-        void UnloadContainersOfZone(Zone* zone) const override;
+        void LoadReferencedContainersForZone(ISearchPath& searchPath, Zone& zone) const override;
+        void UnloadContainersOfZone(Zone& zone) const override;
 
-        void LoadObjDataForZone(ISearchPath* searchPath, Zone* zone) const override;
+        bool LoadAssetForZone(AssetLoadingContext& context, asset_type_t assetType, const std::string& assetName) const override;
+        void FinalizeAssetsForZone(AssetLoadingContext& context) const override;
 
-        bool LoadAssetForZone(AssetLoadingContext* context, asset_type_t assetType, const std::string& assetName) const override;
-        void FinalizeAssetsForZone(AssetLoadingContext* context) const override;
+    private:
+        static bool IsMpZone(const Zone& zone);
+        static bool IsZmZone(const Zone& zone);
+
+        std::unordered_map<asset_type_t, std::unique_ptr<IAssetLoader>> m_asset_loaders_by_type;
     };
 } // namespace IW4

src/ObjLoading/Game/IW5/AssetLoaders/AssetLoaderGfxImage.cpp

@@ -35,10 +35,8 @@ bool AssetLoaderGfxImage::LoadFromRaw(
     const auto fileData = std::make_unique<char[]>(fileSize);
     file.m_stream->read(fileData.get(), fileSize);
 
-    MemoryManager tempMemory;
-    IwiLoader iwiLoader(&tempMemory);
     std::istringstream ss(std::string(fileData.get(), fileSize));
-    const auto texture = iwiLoader.LoadIwi(ss);
+    const auto texture = iwi::LoadIwi(ss);
     if (!texture)
     {
         std::cerr << std::format("Failed to load texture from: {}\n", fileName);

src/ObjLoading/Game/IW5/AssetLoaders/AssetLoaderMenuList.cpp

@@ -227,7 +227,7 @@ bool AssetLoaderMenuList::LoadFromRaw(
     return true;
 }
 
-void AssetLoaderMenuList::FinalizeAssetsForZone(AssetLoadingContext* context) const
+void AssetLoaderMenuList::FinalizeAssetsForZone(AssetLoadingContext& context) const
 {
-    context->GetZoneAssetLoaderState<MenuConversionZoneState>()->FinalizeSupportingData();
+    context.GetZoneAssetLoaderState<MenuConversionZoneState>()->FinalizeSupportingData();
 }

src/ObjLoading/Game/IW5/AssetLoaders/AssetLoaderMenuList.h

@@ -14,6 +14,6 @@ namespace IW5
         _NODISCARD bool CanLoadFromRaw() const override;
         bool
             LoadFromRaw(const std::string& assetName, ISearchPath* searchPath, MemoryManager* memory, IAssetLoadingManager* manager, Zone* zone) const override;
-        void FinalizeAssetsForZone(AssetLoadingContext* context) const override;
+        void FinalizeAssetsForZone(AssetLoadingContext& context) const override;
     };
 } // namespace IW5

src/ObjLoading/Game/IW5/Leaderboard/JsonLeaderboardDefLoader.h

@@ -3,6 +3,8 @@
 #include "Game/IW5/IW5.h"
 #include "Utils/MemoryManager.h"
 
+#include <istream>
+
 namespace IW5
 {
     bool LoadLeaderboardAsJson(std::istream& stream, LeaderboardDef& leaderboard, MemoryManager* memory);

src/ObjLoading/Game/IW5/ObjLoaderIW5.cpp

@@ -41,14 +41,9 @@
 #include "AssetLoaders/AssetLoaderXModel.h"
 #include "AssetLoaders/AssetLoaderXModelSurfs.h"
 #include "AssetLoading/AssetLoadingManager.h"
-#include "Game/IW5/GameAssetPoolIW5.h"
 #include "Game/IW5/GameIW5.h"
-#include "Image/Dx9TextureLoader.h"
 #include "Image/IwiLoader.h"
-#include "Image/IwiTypes.h"
-#include "Image/Texture.h"
 #include "ObjContainer/IPak/IPak.h"
-#include "ObjLoading.h"
 
 using namespace IW5;
 
@@ -104,129 +99,32 @@ ObjLoader::ObjLoader()
 #undef REGISTER_ASSET_LOADER
 }
 
-bool ObjLoader::SupportsZone(Zone* zone) const
+bool ObjLoader::SupportsZone(const Zone& zone) const
 {
-    return zone->m_game == &g_GameIW5;
+    return zone.m_game == &g_GameIW5;
 }
 
-bool ObjLoader::IsMpZone(Zone* zone)
+bool ObjLoader::IsMpZone(const Zone& zone)
 {
-    return zone->m_name.compare(0, 3, "mp_") == 0 || zone->m_name.compare(zone->m_name.length() - 3, 3, "_mp") == 0;
+    return zone.m_name.compare(0, 3, "mp_") == 0 || zone.m_name.compare(zone.m_name.length() - 3, 3, "_mp") == 0;
 }
 
-bool ObjLoader::IsZmZone(Zone* zone)
+bool ObjLoader::IsZmZone(const Zone& zone)
 {
-    return zone->m_name.compare(0, 3, "zm_") == 0 || zone->m_name.compare(zone->m_name.length() - 3, 3, "_zm") == 0;
+    return zone.m_name.compare(0, 3, "zm_") == 0 || zone.m_name.compare(zone.m_name.length() - 3, 3, "_zm") == 0;
 }
 
-void ObjLoader::LoadReferencedContainersForZone(ISearchPath* searchPath, Zone* zone) const {}
+void ObjLoader::LoadReferencedContainersForZone(ISearchPath& searchPath, Zone& zone) const {}
 
-void ObjLoader::UnloadContainersOfZone(Zone* zone) const {}
+void ObjLoader::UnloadContainersOfZone(Zone& zone) const {}
 
-void ObjLoader::LoadImageFromLoadDef(GfxImage* image, Zone* zone)
+bool ObjLoader::LoadAssetForZone(AssetLoadingContext& context, const asset_type_t assetType, const std::string& assetName) const
 {
-    const auto* loadDef = image->texture.loadDef;
-    Dx9TextureLoader textureLoader(zone->GetMemory());
-
-    textureLoader.Width(image->width).Height(image->height).Depth(image->depth);
-
-    if ((loadDef->flags & iwi8::IMG_FLAG_MAPTYPE_MASK) == iwi8::IMG_FLAG_MAPTYPE_3D)
-        textureLoader.Type(TextureType::T_3D);
-    else if ((loadDef->flags & iwi8::IMG_FLAG_MAPTYPE_MASK) == iwi8::IMG_FLAG_MAPTYPE_CUBE)
-        textureLoader.Type(TextureType::T_CUBE);
-    else
-        textureLoader.Type(TextureType::T_2D);
-
-    textureLoader.Format(static_cast<oat::D3DFORMAT>(loadDef->format));
-    textureLoader.HasMipMaps(!(loadDef->flags & iwi8::IMG_FLAG_NOMIPMAPS));
-    Texture* loadedTexture = textureLoader.LoadTexture(image->texture.loadDef->data);
-
-    if (loadedTexture != nullptr)
-    {
-        image->texture.texture = loadedTexture;
-        image->cardMemory.platform[0] = 0;
-
-        const auto textureMipCount = loadedTexture->GetMipMapCount();
-        for (auto mipLevel = 0; mipLevel < textureMipCount; mipLevel++)
-            image->cardMemory.platform[0] += static_cast<int>(loadedTexture->GetSizeOfMipLevel(mipLevel) * loadedTexture->GetFaceCount());
-    }
-}
-
-void ObjLoader::LoadImageFromIwi(GfxImage* image, ISearchPath* searchPath, Zone* zone)
-{
-    Texture* loadedTexture = nullptr;
-    IwiLoader loader(zone->GetMemory());
-
-    const auto imageFileName = "images/" + std::string(image->name) + ".iwi";
-
-    {
-        const auto filePathImage = searchPath->Open(imageFileName);
-        if (filePathImage.IsOpen())
-        {
-            loadedTexture = loader.LoadIwi(*filePathImage.m_stream);
-        }
-    }
-
-    if (loadedTexture != nullptr)
-    {
-        image->texture.texture = loadedTexture;
-        image->cardMemory.platform[0] = 0;
-
-        const auto textureMipCount = loadedTexture->GetMipMapCount();
-        for (auto mipLevel = 0; mipLevel < textureMipCount; mipLevel++)
-            image->cardMemory.platform[0] += static_cast<int>(loadedTexture->GetSizeOfMipLevel(mipLevel) * loadedTexture->GetFaceCount());
-    }
-    else
-    {
-        printf("Could not find data for image \"%s\"\n", image->name);
-    }
-}
-
-void ObjLoader::LoadImageData(ISearchPath* searchPath, Zone* zone)
-{
-    auto* assetPool = dynamic_cast<GameAssetPoolIW5*>(zone->m_pools.get());
-
-    if (assetPool && assetPool->m_image != nullptr)
-    {
-        for (auto* imageEntry : *assetPool->m_image)
-        {
-            auto* image = imageEntry->Asset();
-
-            if (image->cardMemory.platform[0] > 0)
-            {
-                continue;
-            }
-
-            // Do not load linked assets
-            if (image->name && image->name[0] == ',')
-            {
-                continue;
-            }
-
-            if (image->texture.loadDef && image->texture.loadDef->resourceSize > 0)
-            {
-                LoadImageFromLoadDef(image, zone);
-            }
-            else
-            {
-                LoadImageFromIwi(image, searchPath, zone);
-            }
-        }
-    }
-}
-
-void ObjLoader::LoadObjDataForZone(ISearchPath* searchPath, Zone* zone) const
-{
-    LoadImageData(searchPath, zone);
-}
-
-bool ObjLoader::LoadAssetForZone(AssetLoadingContext* context, asset_type_t assetType, const std::string& assetName) const
-{
-    AssetLoadingManager assetLoadingManager(m_asset_loaders_by_type, *context);
+    AssetLoadingManager assetLoadingManager(m_asset_loaders_by_type, context);
     return assetLoadingManager.LoadAssetFromLoader(assetType, assetName);
 }
 
-void ObjLoader::FinalizeAssetsForZone(AssetLoadingContext* context) const
+void ObjLoader::FinalizeAssetsForZone(AssetLoadingContext& context) const
 {
     for (const auto& [type, loader] : m_asset_loaders_by_type)
         loader->FinalizeAssetsForZone(context);

src/ObjLoading/Game/IW5/ObjLoaderIW5.h

@@ -1,37 +1,31 @@
 #pragma once
 
 #include "AssetLoading/IAssetLoader.h"
-#include "Game/IW5/IW5.h"
 #include "IObjLoader.h"
 #include "SearchPath/ISearchPath.h"
 
-#include <map>
 #include <memory>
+#include <unordered_map>
 
 namespace IW5
 {
     class ObjLoader final : public IObjLoader
     {
-        std::map<asset_type_t, std::unique_ptr<IAssetLoader>> m_asset_loaders_by_type;
-
-        static void LoadImageFromIwi(GfxImage* image, ISearchPath* searchPath, Zone* zone);
-        static void LoadImageFromLoadDef(GfxImage* image, Zone* zone);
-        static void LoadImageData(ISearchPath* searchPath, Zone* zone);
-
-        static bool IsMpZone(Zone* zone);
-        static bool IsZmZone(Zone* zone);
-
     public:
         ObjLoader();
 
-        bool SupportsZone(Zone* zone) const override;
+        [[nodiscard]] bool SupportsZone(const Zone& zone) const override;
 
-        void LoadReferencedContainersForZone(ISearchPath* searchPath, Zone* zone) const override;
-        void UnloadContainersOfZone(Zone* zone) const override;
+        void LoadReferencedContainersForZone(ISearchPath& searchPath, Zone& zone) const override;
+        void UnloadContainersOfZone(Zone& zone) const override;
 
-        void LoadObjDataForZone(ISearchPath* searchPath, Zone* zone) const override;
+        bool LoadAssetForZone(AssetLoadingContext& context, asset_type_t assetType, const std::string& assetName) const override;
+        void FinalizeAssetsForZone(AssetLoadingContext& context) const override;
 
-        bool LoadAssetForZone(AssetLoadingContext* context, asset_type_t assetType, const std::string& assetName) const override;
-        void FinalizeAssetsForZone(AssetLoadingContext* context) const override;
+    private:
+        static bool IsMpZone(const Zone& zone);
+        static bool IsZmZone(const Zone& zone);
+
+        std::unordered_map<asset_type_t, std::unique_ptr<IAssetLoader>> m_asset_loaders_by_type;
     };
 } // namespace IW5

src/ObjLoading/Game/T5/ObjLoaderT5.cpp

@@ -5,14 +5,9 @@
 #include "AssetLoaders/AssetLoaderStringTable.h"
 #include "AssetLoaders/AssetLoaderXModel.h"
 #include "AssetLoading/AssetLoadingManager.h"
-#include "Game/T5/GameAssetPoolT5.h"
 #include "Game/T5/GameT5.h"
-#include "Image/Dx9TextureLoader.h"
 #include "Image/IwiLoader.h"
-#include "Image/IwiTypes.h"
-#include "Image/Texture.h"
 #include "ObjContainer/IPak/IPak.h"
-#include "ObjLoading.h"
 
 using namespace T5;
 
@@ -61,129 +56,32 @@ ObjLoader::ObjLoader()
 #undef REGISTER_ASSET_LOADER
 }
 
-bool ObjLoader::SupportsZone(Zone* zone) const
+bool ObjLoader::SupportsZone(const Zone& zone) const
 {
-    return zone->m_game == &g_GameT5;
+    return zone.m_game == &g_GameT5;
 }
 
-bool ObjLoader::IsMpZone(Zone* zone)
+bool ObjLoader::IsMpZone(const Zone& zone)
 {
-    return zone->m_name.compare(0, 3, "mp_") == 0 || zone->m_name.compare(zone->m_name.length() - 3, 3, "_mp") == 0;
+    return zone.m_name.compare(0, 3, "mp_") == 0 || zone.m_name.compare(zone.m_name.length() - 3, 3, "_mp") == 0;
 }
 
-bool ObjLoader::IsZmZone(Zone* zone)
+bool ObjLoader::IsZmZone(const Zone& zone)
 {
-    return zone->m_name.compare(0, 3, "zm_") == 0 || zone->m_name.compare(zone->m_name.length() - 3, 3, "_zm") == 0;
+    return zone.m_name.compare(0, 3, "zm_") == 0 || zone.m_name.compare(zone.m_name.length() - 3, 3, "_zm") == 0;
 }
 
-void ObjLoader::LoadReferencedContainersForZone(ISearchPath* searchPath, Zone* zone) const {}
+void ObjLoader::LoadReferencedContainersForZone(ISearchPath& searchPath, Zone& zone) const {}
 
-void ObjLoader::UnloadContainersOfZone(Zone* zone) const {}
+void ObjLoader::UnloadContainersOfZone(Zone& zone) const {}
 
-void ObjLoader::LoadImageFromLoadDef(GfxImage* image, Zone* zone)
+bool ObjLoader::LoadAssetForZone(AssetLoadingContext& context, asset_type_t assetType, const std::string& assetName) const
 {
-    const auto* loadDef = image->texture.loadDef;
-    Dx9TextureLoader textureLoader(zone->GetMemory());
-
-    textureLoader.Width(image->width).Height(image->height).Depth(image->depth);
-
-    if (loadDef->flags & iwi13::IMG_FLAG_VOLMAP)
-        textureLoader.Type(TextureType::T_3D);
-    else if (loadDef->flags & iwi13::IMG_FLAG_CUBEMAP)
-        textureLoader.Type(TextureType::T_CUBE);
-    else
-        textureLoader.Type(TextureType::T_2D);
-
-    textureLoader.Format(static_cast<oat::D3DFORMAT>(loadDef->format));
-    textureLoader.HasMipMaps(!(loadDef->flags & iwi13::IMG_FLAG_NOMIPMAPS));
-    Texture* loadedTexture = textureLoader.LoadTexture(image->texture.loadDef->data);
-
-    if (loadedTexture != nullptr)
-    {
-        image->texture.texture = loadedTexture;
-        image->loadedSize = 0;
-
-        const auto textureMipCount = loadedTexture->GetMipMapCount();
-        for (auto mipLevel = 0; mipLevel < textureMipCount; mipLevel++)
-            image->loadedSize += static_cast<int>(loadedTexture->GetSizeOfMipLevel(mipLevel) * loadedTexture->GetFaceCount());
-    }
-}
-
-void ObjLoader::LoadImageFromIwi(GfxImage* image, ISearchPath* searchPath, Zone* zone)
-{
-    Texture* loadedTexture = nullptr;
-    IwiLoader loader(zone->GetMemory());
-
-    const auto imageFileName = "images/" + std::string(image->name) + ".iwi";
-
-    {
-        const auto filePathImage = searchPath->Open(imageFileName);
-        if (filePathImage.IsOpen())
-        {
-            loadedTexture = loader.LoadIwi(*filePathImage.m_stream);
-        }
-    }
-
-    if (loadedTexture != nullptr)
-    {
-        image->texture.texture = loadedTexture;
-        image->loadedSize = 0;
-
-        const auto textureMipCount = loadedTexture->GetMipMapCount();
-        for (auto mipLevel = 0; mipLevel < textureMipCount; mipLevel++)
-            image->loadedSize += static_cast<int>(loadedTexture->GetSizeOfMipLevel(mipLevel) * loadedTexture->GetFaceCount());
-    }
-    else
-    {
-        printf("Could not find data for image \"%s\"\n", image->name);
-    }
-}
-
-void ObjLoader::LoadImageData(ISearchPath* searchPath, Zone* zone)
-{
-    auto* assetPool = dynamic_cast<GameAssetPoolT5*>(zone->m_pools.get());
-
-    if (assetPool && assetPool->m_image != nullptr)
-    {
-        for (auto* imageEntry : *assetPool->m_image)
-        {
-            auto* image = imageEntry->Asset();
-
-            if (image->loadedSize > 0)
-            {
-                continue;
-            }
-
-            // Do not load linked assets
-            if (image->name && image->name[0] == ',')
-            {
-                continue;
-            }
-
-            if (image->texture.loadDef && image->texture.loadDef->resourceSize > 0)
-            {
-                LoadImageFromLoadDef(image, zone);
-            }
-            else
-            {
-                LoadImageFromIwi(image, searchPath, zone);
-            }
-        }
-    }
-}
-
-void ObjLoader::LoadObjDataForZone(ISearchPath* searchPath, Zone* zone) const
-{
-    LoadImageData(searchPath, zone);
-}
-
-bool ObjLoader::LoadAssetForZone(AssetLoadingContext* context, asset_type_t assetType, const std::string& assetName) const
-{
-    AssetLoadingManager assetLoadingManager(m_asset_loaders_by_type, *context);
+    AssetLoadingManager assetLoadingManager(m_asset_loaders_by_type, context);
     return assetLoadingManager.LoadAssetFromLoader(assetType, assetName);
 }
 
-void ObjLoader::FinalizeAssetsForZone(AssetLoadingContext* context) const
+void ObjLoader::FinalizeAssetsForZone(AssetLoadingContext& context) const
 {
     for (const auto& [type, loader] : m_asset_loaders_by_type)
         loader->FinalizeAssetsForZone(context);

src/ObjLoading/Game/T5/ObjLoaderT5.h

@@ -1,37 +1,31 @@
 #pragma once
 
 #include "AssetLoading/IAssetLoader.h"
-#include "Game/T5/T5.h"
 #include "IObjLoader.h"
 #include "SearchPath/ISearchPath.h"
 
-#include <map>
 #include <memory>
+#include <unordered_map>
 
 namespace T5
 {
     class ObjLoader final : public IObjLoader
     {
-        std::map<asset_type_t, std::unique_ptr<IAssetLoader>> m_asset_loaders_by_type;
-
-        static void LoadImageFromIwi(GfxImage* image, ISearchPath* searchPath, Zone* zone);
-        static void LoadImageFromLoadDef(GfxImage* image, Zone* zone);
-        static void LoadImageData(ISearchPath* searchPath, Zone* zone);
-
-        static bool IsMpZone(Zone* zone);
-        static bool IsZmZone(Zone* zone);
-
     public:
         ObjLoader();
 
-        bool SupportsZone(Zone* zone) const override;
+        bool SupportsZone(const Zone& zone) const override;
 
-        void LoadReferencedContainersForZone(ISearchPath* searchPath, Zone* zone) const override;
-        void UnloadContainersOfZone(Zone* zone) const override;
+        void LoadReferencedContainersForZone(ISearchPath& searchPath, Zone& zone) const override;
+        void UnloadContainersOfZone(Zone& zone) const override;
 
-        void LoadObjDataForZone(ISearchPath* searchPath, Zone* zone) const override;
+        bool LoadAssetForZone(AssetLoadingContext& context, asset_type_t assetType, const std::string& assetName) const override;
+        void FinalizeAssetsForZone(AssetLoadingContext& context) const override;
 
-        bool LoadAssetForZone(AssetLoadingContext* context, asset_type_t assetType, const std::string& assetName) const override;
-        void FinalizeAssetsForZone(AssetLoadingContext* context) const override;
+    private:
+        static bool IsMpZone(const Zone& zone);
+        static bool IsZmZone(const Zone& zone);
+
+        std::unordered_map<asset_type_t, std::unique_ptr<IAssetLoader>> m_asset_loaders_by_type;
     };
 } // namespace T5

src/ObjLoading/Game/T6/AssetLoaders/AssetLoaderGfxImage.cpp

@@ -6,6 +6,7 @@
 #include "Pool/GlobalAssetPool.h"
 
 #include <cstring>
+#include <format>
 #include <iostream>
 #include <sstream>
 #include <zlib.h>
@@ -27,7 +28,7 @@ bool AssetLoaderGfxImage::CanLoadFromRaw() const
 bool AssetLoaderGfxImage::LoadFromRaw(
     const std::string& assetName, ISearchPath* searchPath, MemoryManager* memory, IAssetLoadingManager* manager, Zone* zone) const
 {
-    const auto fileName = "images/" + assetName + ".iwi";
+    const auto fileName = std::format("images/{}.iwi", assetName);
     const auto file = searchPath->Open(fileName);
     if (!file.IsOpen())
         return false;
@@ -37,13 +38,11 @@ bool AssetLoaderGfxImage::LoadFromRaw(
     file.m_stream->read(fileData.get(), fileSize);
     const auto dataHash = static_cast<unsigned>(crc32(0u, reinterpret_cast<const Bytef*>(fileData.get()), fileSize));
 
-    MemoryManager tempMemory;
-    IwiLoader iwiLoader(&tempMemory);
     std::istringstream ss(std::string(fileData.get(), fileSize));
-    const auto texture = iwiLoader.LoadIwi(ss);
+    const auto texture = iwi::LoadIwi(ss);
     if (!texture)
     {
-        std::cerr << "Failed to load texture from: " << fileName << "\n";
+        std::cerr << std::format("Failed to load texture from: {}\n", fileName);
         return false;
     }
 

src/ObjLoading/Game/T6/ObjLoaderT6.cpp

@@ -58,12 +58,12 @@
 #include "ObjContainer/IPak/IPak.h"
 #include "ObjLoading.h"
 
-#include <sstream>
+#include <format>
 
 namespace T6
 {
-    const int ObjLoader::IPAK_READ_HASH = Common::Com_HashKey("ipak_read", 64);
-    const int ObjLoader::GLOBAL_HASH = Common::Com_HashKey("GLOBAL", 64);
+    constexpr auto IPAK_READ_HASH = Common::Com_HashKey("ipak_read", 64);
+    constexpr auto GLOBAL_HASH = Common::Com_HashKey("GLOBAL", 64);
 
     ObjLoader::ObjLoader()
     {
@@ -125,37 +125,37 @@ namespace T6
 #undef REGISTER_ASSET_LOADER
     }
 
-    bool ObjLoader::SupportsZone(Zone* zone) const
+    bool ObjLoader::SupportsZone(const Zone& zone) const
     {
-        return zone->m_game == &g_GameT6;
+        return zone.m_game == &g_GameT6;
     }
 
-    bool ObjLoader::VerifySoundBankChecksum(const SoundBank* soundBank, const SndRuntimeAssetBank& sndRuntimeAssetBank)
+    bool ObjLoader::VerifySoundBankChecksum(const SoundBank& soundBank, const SndRuntimeAssetBank& sndRuntimeAssetBank)
     {
         SoundAssetBankChecksum checksum{};
         static_assert(sizeof(SoundAssetBankChecksum::checksumBytes) == sizeof(SndRuntimeAssetBank::linkTimeChecksum));
         for (auto i = 0u; i < sizeof(SoundAssetBankChecksum::checksumBytes); i++)
             checksum.checksumBytes[i] = sndRuntimeAssetBank.linkTimeChecksum[i];
 
-        return soundBank->VerifyChecksum(checksum);
+        return soundBank.VerifyChecksum(checksum);
     }
 
-    SoundBank* ObjLoader::LoadSoundBankForZone(ISearchPath* searchPath, const std::string& soundBankFileName, Zone* zone)
+    SoundBank* ObjLoader::LoadSoundBankForZone(ISearchPath& searchPath, const std::string& soundBankFileName, Zone& zone)
     {
         if (ObjLoading::Configuration.Verbose)
-            std::cout << "Trying to load sound bank '" << soundBankFileName << "' for zone '" << zone->m_name << "'\n";
+            std::cout << std::format("Trying to load sound bank '{}' for zone '{}'\n", soundBankFileName, zone.m_name);
 
         auto* existingSoundBank = SoundBank::Repository.GetContainerByName(soundBankFileName);
         if (existingSoundBank != nullptr)
         {
             if (ObjLoading::Configuration.Verbose)
-                std::cout << "Referencing loaded sound bank '" << soundBankFileName << "'.\n";
+                std::cout << std::format("Referencing loaded sound bank '{}'.\n", soundBankFileName);
 
-            SoundBank::Repository.AddContainerReference(existingSoundBank, zone);
+            SoundBank::Repository.AddContainerReference(existingSoundBank, &zone);
             return existingSoundBank;
         }
 
-        auto file = searchPath->Open(soundBankFileName);
+        auto file = searchPath.Open(soundBankFileName);
         if (file.IsOpen())
         {
             auto sndBank = std::make_unique<SoundBank>(soundBankFileName, std::move(file.m_stream), file.m_length);
@@ -163,26 +163,26 @@ namespace T6
 
             if (!sndBank->Initialize())
             {
-                std::cout << "Failed to load sound bank '" << soundBankFileName << "'\n";
+                std::cerr << std::format("Failed to load sound bank '{}'\n", soundBankFileName);
                 return nullptr;
             }
 
-            SoundBank::Repository.AddContainer(std::move(sndBank), zone);
+            SoundBank::Repository.AddContainer(std::move(sndBank), &zone);
 
             if (ObjLoading::Configuration.Verbose)
-                std::cout << "Found and loaded sound bank '" << soundBankFileName << "'\n";
+                std::cout << std::format("Found and loaded sound bank '{}'\n", soundBankFileName);
 
             return sndBankPtr;
         }
 
-        std::cout << "Failed to load sound bank '" << soundBankFileName << "'\n";
+        std::cerr << std::format("Failed to load sound bank '{}'\n", soundBankFileName);
         return nullptr;
     }
 
-    void ObjLoader::LoadSoundBankFromLinkedInfo(ISearchPath* searchPath,
+    void ObjLoader::LoadSoundBankFromLinkedInfo(ISearchPath& searchPath,
                                                 const std::string& soundBankFileName,
-                                                const SndRuntimeAssetBank* sndBankLinkedInfo,
-                                                Zone* zone,
+                                                const SndRuntimeAssetBank& sndBankLinkedInfo,
+                                                Zone& zone,
                                                 std::set<std::string>& loadedBanksForZone,
                                                 std::stack<std::string>& dependenciesToLoad)
     {
@@ -192,10 +192,9 @@ namespace T6
 
             if (soundBank)
             {
-                if (!VerifySoundBankChecksum(soundBank, *sndBankLinkedInfo))
-                {
-                    std::cout << "Checksum of sound bank does not match link time checksum for '" << soundBankFileName << "'\n";
-                }
+                if (!VerifySoundBankChecksum(*soundBank, sndBankLinkedInfo))
+                    std::cout << std::format("Checksum of sound bank does not match link time checksum for '{}'\n", soundBankFileName);
+
                 loadedBanksForZone.emplace(soundBankFileName);
 
                 for (const auto& dependency : soundBank->GetDependencies())
@@ -206,20 +205,20 @@ namespace T6
         }
     }
 
-    void ObjLoader::LoadSoundBanksFromAsset(ISearchPath* searchPath, const SndBank* sndBank, Zone* zone, std::set<std::string>& loadedBanksForZone)
+    void ObjLoader::LoadSoundBanksFromAsset(ISearchPath& searchPath, const SndBank& sndBank, Zone& zone, std::set<std::string>& loadedBanksForZone)
     {
         std::stack<std::string> dependenciesToLoad;
 
-        if (sndBank->streamAssetBank.zone)
+        if (sndBank.streamAssetBank.zone)
         {
-            const auto soundBankFileName = SoundBank::GetFileNameForDefinition(true, sndBank->streamAssetBank.zone, sndBank->streamAssetBank.language);
-            LoadSoundBankFromLinkedInfo(searchPath, soundBankFileName, &sndBank->streamAssetBank, zone, loadedBanksForZone, dependenciesToLoad);
+            const auto soundBankFileName = SoundBank::GetFileNameForDefinition(true, sndBank.streamAssetBank.zone, sndBank.streamAssetBank.language);
+            LoadSoundBankFromLinkedInfo(searchPath, soundBankFileName, sndBank.streamAssetBank, zone, loadedBanksForZone, dependenciesToLoad);
         }
 
-        if (sndBank->runtimeAssetLoad && sndBank->loadAssetBank.zone)
+        if (sndBank.runtimeAssetLoad && sndBank.loadAssetBank.zone)
         {
-            const auto soundBankFileName = SoundBank::GetFileNameForDefinition(false, sndBank->loadAssetBank.zone, sndBank->loadAssetBank.language);
-            LoadSoundBankFromLinkedInfo(searchPath, soundBankFileName, &sndBank->loadAssetBank, zone, loadedBanksForZone, dependenciesToLoad);
+            const auto soundBankFileName = SoundBank::GetFileNameForDefinition(false, sndBank.loadAssetBank.zone, sndBank.loadAssetBank.language);
+            LoadSoundBankFromLinkedInfo(searchPath, soundBankFileName, sndBank.loadAssetBank, zone, loadedBanksForZone, dependenciesToLoad);
         }
 
         while (!dependenciesToLoad.empty())
@@ -236,76 +235,72 @@ namespace T6
                     loadedBanksForZone.emplace(dependencyFileName);
 
                     for (const auto& dependency : soundBank->GetDependencies())
-                    {
                         dependenciesToLoad.emplace(dependency);
                 }
             }
         }
     }
-    }
 
-    void ObjLoader::LoadIPakForZone(ISearchPath* searchPath, const std::string& ipakName, Zone* zone)
+    void ObjLoader::LoadIPakForZone(ISearchPath& searchPath, const std::string& ipakName, Zone& zone)
     {
         if (ObjLoading::Configuration.Verbose)
-            printf("Trying to load ipak '%s' for zone '%s'\n", ipakName.c_str(), zone->m_name.c_str());
+            std::cout << std::format("Trying to load ipak '{}' for zone '{}'\n", ipakName, zone.m_name);
 
         auto* existingIPak = IPak::Repository.GetContainerByName(ipakName);
         if (existingIPak != nullptr)
         {
             if (ObjLoading::Configuration.Verbose)
-                printf("Referencing loaded ipak '%s'.\n", ipakName.c_str());
+                std::cout << std::format("Referencing loaded ipak '{}'.\n", ipakName);
 
-            IPak::Repository.AddContainerReference(existingIPak, zone);
+            IPak::Repository.AddContainerReference(existingIPak, &zone);
             return;
         }
 
-        const auto ipakFilename = ipakName + ".ipak";
+        const auto ipakFilename = std::format("{}.ipak", ipakName);
 
-        auto file = searchPath->Open(ipakFilename);
+        auto file = searchPath.Open(ipakFilename);
         if (file.IsOpen())
         {
             auto ipak = std::make_unique<IPak>(ipakFilename, std::move(file.m_stream));
 
             if (ipak->Initialize())
             {
-                IPak::Repository.AddContainer(std::move(ipak), zone);
+                IPak::Repository.AddContainer(std::move(ipak), &zone);
 
                 if (ObjLoading::Configuration.Verbose)
-                    printf("Found and loaded ipak '%s'.\n", ipakFilename.c_str());
+                    std::cout << std::format("Found and loaded ipak '{}'.\n", ipakFilename);
             }
             else
             {
-                printf("Failed to load ipak '%s'!\n", ipakFilename.c_str());
+                std::cerr << std::format("Failed to load ipak '{}'!\n", ipakFilename);
             }
         }
     }
 
-    bool ObjLoader::IsMpZone(Zone* zone)
+    bool ObjLoader::IsMpZone(const Zone& zone)
     {
-        return zone->m_name.compare(0, 3, "mp_") == 0 || zone->m_name.compare(zone->m_name.length() - 3, 3, "_mp") == 0;
+        return zone.m_name.compare(0, 3, "mp_") == 0 || zone.m_name.compare(zone.m_name.length() - 3, 3, "_mp") == 0;
     }
 
-    bool ObjLoader::IsZmZone(Zone* zone)
+    bool ObjLoader::IsZmZone(const Zone& zone)
     {
-        return zone->m_name.compare(0, 3, "zm_") == 0 || zone->m_name.compare(zone->m_name.length() - 3, 3, "_zm") == 0;
+        return zone.m_name.compare(0, 3, "zm_") == 0 || zone.m_name.compare(zone.m_name.length() - 3, 3, "_zm") == 0;
     }
 
-    void ObjLoader::LoadCommonIPaks(ISearchPath* searchPath, Zone* zone)
+    void ObjLoader::LoadCommonIPaks(ISearchPath& searchPath, Zone& zone)
     {
         if (ObjLoading::Configuration.Verbose)
-            printf("Loading common ipaks for zone \"%s\"\n", zone->m_name.c_str());
+            std::cout << std::format("Loading common ipaks for zone \"{}\"\n", zone.m_name);
 
         LoadIPakForZone(searchPath, "base", zone);
-        auto languagePrefixes = g_GameT6.GetLanguagePrefixes();
+        const auto languagePrefixes = g_GameT6.GetLanguagePrefixes();
         for (const auto& languagePrefix : languagePrefixes)
-        {
-            LoadIPakForZone(searchPath, languagePrefix.m_prefix + "base", zone);
-        }
+            LoadIPakForZone(searchPath, std::format("{}base", languagePrefix.m_prefix), zone);
 
         if (IsMpZone(zone))
         {
             if (ObjLoading::Configuration.Verbose)
-                printf("Loading multiplayer ipaks for zone \"%s\"\n", zone->m_name.c_str());
+                std::cout << std::format("Loading multiplayer ipaks for zone \"{}\"\n", zone.m_name);
 
             LoadIPakForZone(searchPath, "mp", zone);
             LoadIPakForZone(searchPath, "so", zone);
@@ -313,23 +308,23 @@ namespace T6
         else if (IsZmZone(zone))
         {
             if (ObjLoading::Configuration.Verbose)
-                printf("Loading zombie ipak for zone \"%s\"\n", zone->m_name.c_str());
+                std::cout << std::format("Loading zombie ipak for zone \"{}\"\n", zone.m_name);
 
             LoadIPakForZone(searchPath, "zm", zone);
         }
         else
         {
             if (ObjLoading::Configuration.Verbose)
-                printf("Loading singleplayer ipak for zone \"%s\"\n", zone->m_name.c_str());
+                std::cout << std::format("Loading singleplayer ipak for zone \"{}\"\n", zone.m_name);
 
             LoadIPakForZone(searchPath, "sp", zone);
         }
     }
 
-    void ObjLoader::LoadReferencedContainersForZone(ISearchPath* searchPath, Zone* zone) const
+    void ObjLoader::LoadReferencedContainersForZone(ISearchPath& searchPath, Zone& zone) const
     {
-        auto* assetPoolT6 = dynamic_cast<GameAssetPoolT6*>(zone->m_pools.get());
-        const auto zoneNameHash = Common::Com_HashKey(zone->m_name.c_str(), 64);
+        const auto* assetPoolT6 = dynamic_cast<GameAssetPoolT6*>(zone.m_pools.get());
+        const auto zoneNameHash = Common::Com_HashKey(zone.m_name.c_str(), 64);
 
         LoadCommonIPaks(searchPath, zone);
 
@@ -337,7 +332,7 @@ namespace T6
         {
             for (auto* keyValuePairsEntry : *assetPoolT6->m_key_value_pairs)
             {
-                auto* keyValuePairs = keyValuePairsEntry->Asset();
+                const auto* keyValuePairs = keyValuePairsEntry->Asset();
                 for (auto variableIndex = 0; variableIndex < keyValuePairs->numVariables; variableIndex++)
                 {
                     auto* variable = &keyValuePairs->keyValuePairs[variableIndex];
@@ -356,143 +351,23 @@ namespace T6
 
             for (auto* sndBankAssetInfo : *assetPoolT6->m_sound_bank)
             {
-                LoadSoundBanksFromAsset(searchPath, sndBankAssetInfo->Asset(), zone, loadedSoundBanksForZone);
+                LoadSoundBanksFromAsset(searchPath, *sndBankAssetInfo->Asset(), zone, loadedSoundBanksForZone);
             }
         }
     }
 
-    void ObjLoader::UnloadContainersOfZone(Zone* zone) const
+    void ObjLoader::UnloadContainersOfZone(Zone& zone) const
     {
-        IPak::Repository.RemoveContainerReferences(zone);
+        IPak::Repository.RemoveContainerReferences(&zone);
     }
 
-    void ObjLoader::LoadImageFromLoadDef(GfxImage* image, Zone* zone)
+    bool ObjLoader::LoadAssetForZone(AssetLoadingContext& context, const asset_type_t assetType, const std::string& assetName) const
     {
-        const auto* loadDef = image->texture.loadDef;
-        Dx12TextureLoader textureLoader(zone->GetMemory());
-
-        textureLoader.Width(image->width).Height(image->height).Depth(image->depth);
-
-        if (loadDef->flags & iwi27::IMG_FLAG_VOLMAP)
-            textureLoader.Type(TextureType::T_3D);
-        else if (loadDef->flags & iwi27::IMG_FLAG_CUBEMAP)
-            textureLoader.Type(TextureType::T_CUBE);
-        else
-            textureLoader.Type(TextureType::T_2D);
-
-        textureLoader.Format(static_cast<oat::DXGI_FORMAT>(loadDef->format));
-        textureLoader.HasMipMaps(!(loadDef->flags & iwi27::IMG_FLAG_NOMIPMAPS));
-        Texture* loadedTexture = textureLoader.LoadTexture(image->texture.loadDef->data);
-
-        if (loadedTexture != nullptr)
-        {
-            image->texture.texture = loadedTexture;
-            image->loadedSize = 0;
-
-            const auto textureMipCount = loadedTexture->GetMipMapCount();
-            for (auto mipLevel = 0; mipLevel < textureMipCount; mipLevel++)
-                image->loadedSize += static_cast<int>(loadedTexture->GetSizeOfMipLevel(mipLevel) * loadedTexture->GetFaceCount());
-        }
-    }
-
-    void ObjLoader::LoadImageFromIwi(GfxImage* image, ISearchPath* searchPath, Zone* zone)
-    {
-        Texture* loadedTexture = nullptr;
-        IwiLoader loader(zone->GetMemory());
-
-        if (image->streamedPartCount > 0)
-        {
-            for (auto* ipak : IPak::Repository)
-            {
-                auto ipakStream = ipak->GetEntryStream(image->hash, image->streamedParts[0].hash);
-
-                if (ipakStream)
-                {
-                    loadedTexture = loader.LoadIwi(*ipakStream);
-
-                    ipakStream->close();
-
-                    if (loadedTexture != nullptr)
-                    {
-                        break;
-                    }
-                }
-            }
-        }
-
-        if (loadedTexture == nullptr)
-        {
-            const auto imageFileName = "images/" + std::string(image->name) + ".iwi";
-
-            {
-                const auto filePathImage = searchPath->Open(imageFileName);
-                if (filePathImage.IsOpen())
-                {
-                    loadedTexture = loader.LoadIwi(*filePathImage.m_stream);
-                }
-            }
-        }
-
-        if (loadedTexture != nullptr)
-        {
-            image->texture.texture = loadedTexture;
-            image->loadedSize = 0;
-
-            const auto textureMipCount = loadedTexture->GetMipMapCount();
-            for (auto mipLevel = 0; mipLevel < textureMipCount; mipLevel++)
-                image->loadedSize += loadedTexture->GetSizeOfMipLevel(mipLevel) * loadedTexture->GetFaceCount();
-        }
-        else
-        {
-            printf("Could not find data for image \"%s\"\n", image->name);
-        }
-    }
-
-    void ObjLoader::LoadImageData(ISearchPath* searchPath, Zone* zone)
-    {
-        auto* assetPoolT6 = dynamic_cast<GameAssetPoolT6*>(zone->m_pools.get());
-
-        if (assetPoolT6 && assetPoolT6->m_image != nullptr)
-        {
-            for (auto* imageEntry : *assetPoolT6->m_image)
-            {
-                auto* image = imageEntry->Asset();
-
-                if (image->loadedSize > 0)
-                {
-                    continue;
-                }
-
-                // Do not load linked assets
-                if (image->name && image->name[0] == ',')
-                {
-                    continue;
-                }
-
-                if (image->texture.loadDef && image->texture.loadDef->resourceSize > 0)
-                {
-                    LoadImageFromLoadDef(image, zone);
-                }
-                else
-                {
-                    LoadImageFromIwi(image, searchPath, zone);
-                }
-            }
-        }
-    }
-
-    void ObjLoader::LoadObjDataForZone(ISearchPath* searchPath, Zone* zone) const
-    {
-        LoadImageData(searchPath, zone);
-    }
-
-    bool ObjLoader::LoadAssetForZone(AssetLoadingContext* context, const asset_type_t assetType, const std::string& assetName) const
-    {
-        AssetLoadingManager assetLoadingManager(m_asset_loaders_by_type, *context);
+        AssetLoadingManager assetLoadingManager(m_asset_loaders_by_type, context);
         return assetLoadingManager.LoadAssetFromLoader(assetType, assetName);
     }
 
-    void ObjLoader::FinalizeAssetsForZone(AssetLoadingContext* context) const
+    void ObjLoader::FinalizeAssetsForZone(AssetLoadingContext& context) const
     {
         for (const auto& [type, loader] : m_asset_loaders_by_type)
             loader->FinalizeAssetsForZone(context);

src/ObjLoading/Game/T6/ObjLoaderT6.h

@@ -6,52 +6,44 @@
 #include "ObjContainer/SoundBank/SoundBank.h"
 #include "SearchPath/ISearchPath.h"
 
-#include <map>
 #include <memory>
 #include <set>
 #include <stack>
 #include <string>
+#include <unordered_map>
 
 namespace T6
 {
     class ObjLoader final : public IObjLoader
     {
-        static const int IPAK_READ_HASH;
-        static const int GLOBAL_HASH;
-
-        std::map<asset_type_t, std::unique_ptr<IAssetLoader>> m_asset_loaders_by_type;
-
-        static bool VerifySoundBankChecksum(const SoundBank* soundBank, const SndRuntimeAssetBank& sndRuntimeAssetBank);
-        static SoundBank* LoadSoundBankForZone(ISearchPath* searchPath, const std::string& soundBankFileName, Zone* zone);
-        static void LoadSoundBankFromLinkedInfo(ISearchPath* searchPath,
-                                                const std::string& soundBankFileName,
-                                                const SndRuntimeAssetBank* sndBankLinkedInfo,
-                                                Zone* zone,
-                                                std::set<std::string>& loadedBanksForZone,
-                                                std::stack<std::string>& dependenciesToLoad);
-        static void LoadSoundBanksFromAsset(ISearchPath* searchPath, const SndBank* sndBank, Zone* zone, std::set<std::string>& loadedBanksForZone);
-
-        static void LoadIPakForZone(ISearchPath* searchPath, const std::string& ipakName, Zone* zone);
-
-        static void LoadImageFromIwi(GfxImage* image, ISearchPath* searchPath, Zone* zone);
-        static void LoadImageFromLoadDef(GfxImage* image, Zone* zone);
-        static void LoadImageData(ISearchPath* searchPath, Zone* zone);
-
-        static bool IsMpZone(Zone* zone);
-        static bool IsZmZone(Zone* zone);
-        static void LoadCommonIPaks(ISearchPath* searchPath, Zone* zone);
-
     public:
         ObjLoader();
 
-        bool SupportsZone(Zone* zone) const override;
+        [[nodiscard]] bool SupportsZone(const Zone& zone) const override;
 
-        void LoadReferencedContainersForZone(ISearchPath* searchPath, Zone* zone) const override;
-        void UnloadContainersOfZone(Zone* zone) const override;
+        void LoadReferencedContainersForZone(ISearchPath& searchPath, Zone& zone) const override;
+        void UnloadContainersOfZone(Zone& zone) const override;
 
-        void LoadObjDataForZone(ISearchPath* searchPath, Zone* zone) const override;
+        bool LoadAssetForZone(AssetLoadingContext& context, asset_type_t assetType, const std::string& assetName) const override;
+        void FinalizeAssetsForZone(AssetLoadingContext& context) const override;
 
-        bool LoadAssetForZone(AssetLoadingContext* context, asset_type_t assetType, const std::string& assetName) const override;
-        void FinalizeAssetsForZone(AssetLoadingContext* context) const override;
+    private:
+        static bool VerifySoundBankChecksum(const SoundBank& soundBank, const SndRuntimeAssetBank& sndRuntimeAssetBank);
+        static SoundBank* LoadSoundBankForZone(ISearchPath& searchPath, const std::string& soundBankFileName, Zone& zone);
+        static void LoadSoundBankFromLinkedInfo(ISearchPath& searchPath,
+                                                const std::string& soundBankFileName,
+                                                const SndRuntimeAssetBank& sndBankLinkedInfo,
+                                                Zone& zone,
+                                                std::set<std::string>& loadedBanksForZone,
+                                                std::stack<std::string>& dependenciesToLoad);
+        static void LoadSoundBanksFromAsset(ISearchPath& searchPath, const SndBank& sndBank, Zone& zone, std::set<std::string>& loadedBanksForZone);
+
+        static void LoadIPakForZone(ISearchPath& searchPath, const std::string& ipakName, Zone& zone);
+        static void LoadCommonIPaks(ISearchPath& searchPath, Zone& zone);
+
+        static bool IsMpZone(const Zone& zone);
+        static bool IsZmZone(const Zone& zone);
+
+        std::unordered_map<asset_type_t, std::unique_ptr<IAssetLoader>> m_asset_loaders_by_type;
     };
 } // namespace T6

src/ObjLoading/IObjLoader.h

@@ -7,35 +7,33 @@
 class IObjLoader
 {
 public:
+    IObjLoader() = default;
     virtual ~IObjLoader() = default;
+    IObjLoader(const IObjLoader& other) = default;
+    IObjLoader(IObjLoader&& other) noexcept = default;
+    IObjLoader& operator=(const IObjLoader& other) = default;
+    IObjLoader& operator=(IObjLoader&& other) noexcept = default;
 
     /**
      * \brief Checks whether this ObjLoader supports a specified zone.
      * \param zone The zone to check.
      * \return \c true if the specified zone is supported.
      */
-    virtual bool SupportsZone(Zone* zone) const = 0;
+    [[nodiscard]] virtual bool SupportsZone(const Zone& zone) const = 0;
 
     /**
      * \brief Loads all containers that are referenced by a specified zone.
      * \param searchPath The search path object to use to find the referenced containers.
      * \param zone The zone to check for referenced containers.
      */
-    virtual void LoadReferencedContainersForZone(ISearchPath* searchPath, Zone* zone) const = 0;
+    virtual void LoadReferencedContainersForZone(ISearchPath& searchPath, Zone& zone) const = 0;
 
     /**
      * \brief Unloads all containers of a specified zone. If a container is also loaded by another zone it will only be unloaded when all referencing zones are
      * unloaded. \param zone The zone to unload all containers for.
      */
-    virtual void UnloadContainersOfZone(Zone* zone) const = 0;
+    virtual void UnloadContainersOfZone(Zone& zone) const = 0;
 
-    /**
-     * \brief Loads the obj data for all assets of a specified zone.
-     * \param searchPath The search path object to use to find obj files.
-     * \param zone The zone of the assets to load the obj data for.
-     */
-    virtual void LoadObjDataForZone(ISearchPath* searchPath, Zone* zone) const = 0;
-
-    virtual bool LoadAssetForZone(AssetLoadingContext* context, asset_type_t assetType, const std::string& assetName) const = 0;
-    virtual void FinalizeAssetsForZone(AssetLoadingContext* context) const = 0;
+    virtual bool LoadAssetForZone(AssetLoadingContext& context, asset_type_t assetType, const std::string& assetName) const = 0;
+    virtual void FinalizeAssetsForZone(AssetLoadingContext& context) const = 0;
 };

src/ObjLoading/Image/DdsLoader.cpp

@@ -1,276 +0,0 @@
-#include "DdsLoader.h"
-
-#include "Image/DdsTypes.h"
-#include "Utils/ClassUtils.h"
-#include "Utils/FileUtils.h"
-
-#include <iostream>
-
-class DdsLoaderInternal
-{
-    static constexpr auto DDS_MAGIC = FileUtils::MakeMagic32('D', 'D', 'S', ' ');
-
-    MemoryManager* m_memory_manager;
-    std::istream& m_stream;
-
-    TextureType m_texture_type;
-    bool m_has_mip_maps;
-    size_t m_width;
-    size_t m_height;
-    size_t m_depth;
-    const ImageFormat* m_format;
-
-    _NODISCARD bool ReadMagic() const
-    {
-        uint32_t magic;
-        m_stream.read(reinterpret_cast<char*>(&magic), sizeof(magic));
-        if (m_stream.gcount() != sizeof(magic))
-        {
-            std::cout << "Failed to read dds data\n";
-            return false;
-        }
-
-        if (magic != DDS_MAGIC)
-        {
-            std::cout << "Invalid magic for dds\n";
-            return false;
-        }
-
-        return true;
-    }
-
-    _NODISCARD bool ReadDxt10Header()
-    {
-        DDS_HEADER_DXT10 headerDx10{};
-        m_stream.read(reinterpret_cast<char*>(&headerDx10), sizeof(headerDx10));
-        if (m_stream.gcount() != sizeof(headerDx10))
-        {
-            std::cout << "Failed to read dds data\n";
-            return false;
-        }
-
-        if (headerDx10.resourceDimension == D3D10_RESOURCE_DIMENSION_TEXTURE3D)
-        {
-            m_texture_type = TextureType::T_3D;
-        }
-        else if (headerDx10.resourceDimension == D3D10_RESOURCE_DIMENSION_TEXTURE2D)
-        {
-            if (headerDx10.miscFlag & DDS_RESOURCE_MISC_TEXTURECUBE || headerDx10.arraySize == 6)
-            {
-                m_texture_type = TextureType::T_CUBE;
-            }
-            else
-            {
-                m_texture_type = TextureType::T_2D;
-            }
-        }
-        else
-        {
-            std::cout << "Unsupported dds resourceDimension " << headerDx10.resourceDimension << "\n";
-            return false;
-        }
-
-        for (const auto* imageFormat : ImageFormat::ALL_FORMATS)
-        {
-            if (imageFormat->GetDxgiFormat() == headerDx10.dxgiFormat)
-            {
-                m_format = imageFormat;
-                return true;
-            }
-        }
-
-        std::cout << "Unsupported dds dxgi format " << headerDx10.dxgiFormat << "\n";
-        return false;
-    }
-
-    _NODISCARD bool ReadPixelFormatFourCc(DDS_PIXELFORMAT& pf)
-    {
-        switch (pf.dwFourCC)
-        {
-        case FileUtils::MakeMagic32('D', 'X', 'T', '1'):
-            m_format = &ImageFormat::FORMAT_BC1;
-            return true;
-
-        case FileUtils::MakeMagic32('D', 'X', 'T', '3'):
-            m_format = &ImageFormat::FORMAT_BC2;
-            return true;
-
-        case FileUtils::MakeMagic32('D', 'X', 'T', '5'):
-            m_format = &ImageFormat::FORMAT_BC3;
-            return true;
-
-        case FileUtils::MakeMagic32('D', 'X', '1', '0'):
-            return ReadDxt10Header();
-
-        default:
-            std::cout << "Unknown dds FourCC " << pf.dwFourCC << "\n";
-            return false;
-        }
-    }
-
-    static void ExtractSizeAndOffsetFromMask(uint32_t mask, unsigned& offset, unsigned& size)
-    {
-        offset = 0;
-        size = 0;
-
-        if (mask == 0)
-            return;
-
-        while ((mask & 1) == 0)
-        {
-            offset++;
-            mask >>= 1;
-        }
-
-        while ((mask & 1) == 1)
-        {
-            size++;
-            mask >>= 1;
-        }
-    }
-
-    _NODISCARD bool ReadPixelFormatUnsigned(DDS_PIXELFORMAT& pf)
-    {
-        unsigned rOffset, rSize, gOffset, gSize, bOffset, bSize, aOffset, aSize;
-
-        ExtractSizeAndOffsetFromMask(pf.dwRBitMask, rOffset, rSize);
-        ExtractSizeAndOffsetFromMask(pf.dwGBitMask, gOffset, gSize);
-        ExtractSizeAndOffsetFromMask(pf.dwBBitMask, bOffset, bSize);
-        ExtractSizeAndOffsetFromMask(pf.dwABitMask, aOffset, aSize);
-
-        for (const auto* imageFormat : ImageFormat::ALL_FORMATS)
-        {
-            if (imageFormat->GetType() != ImageFormatType::UNSIGNED)
-                continue;
-
-            const auto* unsignedImageFormat = dynamic_cast<const ImageFormatUnsigned*>(imageFormat);
-
-            if (unsignedImageFormat->m_r_offset == rOffset && unsignedImageFormat->m_r_size == rSize && unsignedImageFormat->m_g_offset == gOffset
-                && unsignedImageFormat->m_g_size == gSize && unsignedImageFormat->m_b_offset == bOffset && unsignedImageFormat->m_b_size == bSize
-                && unsignedImageFormat->m_a_offset == aOffset && unsignedImageFormat->m_a_size == aSize)
-            {
-                m_format = imageFormat;
-                return true;
-            }
-        }
-
-        std::cout << "Failed to find dds pixel format: R=" << std::hex << pf.dwRBitMask << " G=" << std::hex << pf.dwGBitMask << " B=" << std::hex
-                  << pf.dwBBitMask << " A=" << std::hex << pf.dwABitMask << "\n";
-
-        return false;
-    }
-
-    _NODISCARD bool ReadPixelFormat(DDS_PIXELFORMAT& pf)
-    {
-        if (pf.dwFlags & DDPF_FOURCC)
-            return ReadPixelFormatFourCc(pf);
-
-        return ReadPixelFormatUnsigned(pf);
-    }
-
-    _NODISCARD bool ReadHeader()
-    {
-        DDS_HEADER header{};
-        m_stream.read(reinterpret_cast<char*>(&header), sizeof(header));
-        if (m_stream.gcount() != sizeof(header))
-        {
-            std::cout << "Failed to read dds data\n";
-            return false;
-        }
-
-        m_width = header.dwWidth;
-        m_height = header.dwHeight;
-        m_depth = header.dwDepth;
-        m_has_mip_maps = (header.dwCaps & DDSCAPS_MIPMAP) != 0 || header.dwMipMapCount > 1;
-
-        if (header.dwCaps2 & DDSCAPS2_CUBEMAP)
-            m_texture_type = TextureType::T_CUBE;
-        else if (header.dwDepth > 1)
-            m_texture_type = TextureType::T_3D;
-        else
-            m_texture_type = TextureType::T_2D;
-
-        return ReadPixelFormat(header.ddspf);
-    }
-
-    _NODISCARD Texture* ReadTextureData() const
-    {
-        Texture* result;
-
-        switch (m_texture_type)
-        {
-        case TextureType::T_2D:
-            result = new Texture2D(m_format, m_width, m_height, m_has_mip_maps);
-            break;
-
-        case TextureType::T_3D:
-            result = new Texture3D(m_format, m_width, m_height, m_depth, m_has_mip_maps);
-            break;
-
-        case TextureType::T_CUBE:
-            result = new TextureCube(m_format, m_width, m_height, m_has_mip_maps);
-            break;
-
-        default:
-            return nullptr;
-        }
-
-        const auto mipMapCount = m_has_mip_maps ? result->GetMipMapCount() : 1;
-        const auto faceCount = m_texture_type == TextureType::T_CUBE ? 6 : 1;
-
-        result->Allocate();
-
-        for (auto mipLevel = 0; mipLevel < mipMapCount; mipLevel++)
-        {
-            const auto mipSize = result->GetSizeOfMipLevel(mipLevel);
-
-            for (auto face = 0; face < faceCount; face++)
-            {
-                m_stream.read(reinterpret_cast<char*>(result->GetBufferForMipLevel(mipLevel, face)), mipSize);
-
-                if (m_stream.gcount() != mipSize)
-                {
-                    std::cout << "Failed to read texture data from dds\n";
-                    delete result;
-                    return nullptr;
-                }
-            }
-        }
-
-        return result;
-    }
-
-public:
-    DdsLoaderInternal(MemoryManager* memoryManager, std::istream& stream)
-        : m_memory_manager(memoryManager),
-          m_stream(stream),
-          m_texture_type(TextureType::T_2D),
-          m_has_mip_maps(false),
-          m_width(0u),
-          m_height(0u),
-          m_depth(0u),
-          m_format(nullptr)
-    {
-    }
-
-    Texture* LoadDds()
-    {
-        if (!ReadMagic() || !ReadHeader())
-        {
-            return nullptr;
-        }
-
-        return ReadTextureData();
-    }
-};
-
-DdsLoader::DdsLoader(MemoryManager* memoryManager)
-    : m_memory_manager(memoryManager)
-{
-}
-
-Texture* DdsLoader::LoadDds(std::istream& stream) const
-{
-    DdsLoaderInternal internal(m_memory_manager, stream);
-    return internal.LoadDds();
-}

src/ObjLoading/Image/DdsLoader.h

@@ -1,16 +0,0 @@
-#pragma once
-
-#include "Image/Texture.h"
-#include "Utils/MemoryManager.h"
-
-#include <istream>
-
-class DdsLoader
-{
-    MemoryManager* m_memory_manager;
-
-public:
-    explicit DdsLoader(MemoryManager* memoryManager);
-
-    Texture* LoadDds(std::istream& stream) const;
-};

src/ObjLoading/Image/IwiLoader.cpp

@@ -1,476 +0,0 @@
-#include "IwiLoader.h"
-
-#include "Image/IwiTypes.h"
-
-#include <cassert>
-#include <type_traits>
-
-IwiLoader::IwiLoader(MemoryManager* memoryManager)
-{
-    m_memory_manager = memoryManager;
-}
-
-const ImageFormat* IwiLoader::GetFormat6(int8_t format)
-{
-    switch (static_cast<iwi6::IwiFormat>(format))
-    {
-    case iwi6::IwiFormat::IMG_FORMAT_BITMAP_RGBA:
-        return &ImageFormat::FORMAT_R8_G8_B8_A8;
-    case iwi6::IwiFormat::IMG_FORMAT_BITMAP_RGB:
-        return &ImageFormat::FORMAT_R8_G8_B8;
-    case iwi6::IwiFormat::IMG_FORMAT_BITMAP_ALPHA:
-        return &ImageFormat::FORMAT_A8;
-    case iwi6::IwiFormat::IMG_FORMAT_DXT1:
-        return &ImageFormat::FORMAT_BC1;
-    case iwi6::IwiFormat::IMG_FORMAT_DXT3:
-        return &ImageFormat::FORMAT_BC2;
-    case iwi6::IwiFormat::IMG_FORMAT_DXT5:
-        return &ImageFormat::FORMAT_BC3;
-    case iwi6::IwiFormat::IMG_FORMAT_DXN:
-        return &ImageFormat::FORMAT_BC5;
-    case iwi6::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE_ALPHA:
-        return &ImageFormat::FORMAT_R8_A8;
-    case iwi6::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE:
-        return &ImageFormat::FORMAT_R8;
-    case iwi6::IwiFormat::IMG_FORMAT_WAVELET_RGBA: // used
-    case iwi6::IwiFormat::IMG_FORMAT_WAVELET_RGB:  // used
-    case iwi6::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE_ALPHA:
-    case iwi6::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE:
-    case iwi6::IwiFormat::IMG_FORMAT_WAVELET_ALPHA:
-        printf("Unsupported IWI format: %i\n", format);
-        break;
-    default:
-        printf("Unknown IWI format: %i\n", format);
-        break;
-    }
-
-    return nullptr;
-}
-
-Texture* IwiLoader::LoadIwi6(std::istream& stream) const
-{
-    iwi6::IwiHeader header{};
-
-    stream.read(reinterpret_cast<char*>(&header), sizeof(header));
-    if (stream.gcount() != sizeof(header))
-        return nullptr;
-
-    const auto* format = GetFormat6(header.format);
-    if (format == nullptr)
-        return nullptr;
-
-    auto width = header.dimensions[0];
-    auto height = header.dimensions[1];
-    auto depth = header.dimensions[2];
-    auto hasMipMaps = !(header.flags & iwi6::IwiFlags::IMG_FLAG_NOMIPMAPS);
-
-    Texture* texture;
-    if (header.flags & iwi6::IwiFlags::IMG_FLAG_CUBEMAP)
-    {
-        texture = m_memory_manager->Create<TextureCube>(format, width, height, hasMipMaps);
-    }
-    else if (header.flags & iwi6::IwiFlags::IMG_FLAG_VOLMAP)
-    {
-        texture = m_memory_manager->Create<Texture3D>(format, width, height, depth, hasMipMaps);
-    }
-    else
-    {
-        texture = m_memory_manager->Create<Texture2D>(format, width, height, hasMipMaps);
-    }
-
-    texture->Allocate();
-
-    auto currentFileSize = sizeof(iwi6::IwiHeader) + sizeof(IwiVersion);
-    const auto mipMapCount = hasMipMaps ? texture->GetMipMapCount() : 1;
-
-    for (auto currentMipLevel = mipMapCount - 1; currentMipLevel >= 0; currentMipLevel--)
-    {
-        const auto sizeOfMipLevel = texture->GetSizeOfMipLevel(currentMipLevel) * texture->GetFaceCount();
-        currentFileSize += sizeOfMipLevel;
-
-        if (currentMipLevel < static_cast<int>(std::extent_v<decltype(iwi6::IwiHeader::fileSizeForPicmip)>)
-            && currentFileSize != header.fileSizeForPicmip[currentMipLevel])
-        {
-            printf("Iwi has invalid file size for picmip %i\n", currentMipLevel);
-
-            m_memory_manager->Delete(texture);
-            return nullptr;
-        }
-
-        stream.read(reinterpret_cast<char*>(texture->GetBufferForMipLevel(currentMipLevel)), sizeOfMipLevel);
-        if (stream.gcount() != sizeOfMipLevel)
-        {
-            printf("Unexpected eof of iwi in mip level %i\n", currentMipLevel);
-
-            m_memory_manager->Delete(texture);
-            return nullptr;
-        }
-    }
-
-    return texture;
-}
-
-const ImageFormat* IwiLoader::GetFormat8(int8_t format)
-{
-    switch (static_cast<iwi8::IwiFormat>(format))
-    {
-    case iwi8::IwiFormat::IMG_FORMAT_BITMAP_RGBA:
-        return &ImageFormat::FORMAT_R8_G8_B8_A8;
-    case iwi8::IwiFormat::IMG_FORMAT_BITMAP_RGB:
-        return &ImageFormat::FORMAT_R8_G8_B8;
-    case iwi8::IwiFormat::IMG_FORMAT_BITMAP_ALPHA:
-        return &ImageFormat::FORMAT_A8;
-    case iwi8::IwiFormat::IMG_FORMAT_DXT1:
-        return &ImageFormat::FORMAT_BC1;
-    case iwi8::IwiFormat::IMG_FORMAT_DXT3:
-        return &ImageFormat::FORMAT_BC2;
-    case iwi8::IwiFormat::IMG_FORMAT_DXT5:
-        return &ImageFormat::FORMAT_BC3;
-    case iwi8::IwiFormat::IMG_FORMAT_DXN:
-        return &ImageFormat::FORMAT_BC5;
-    case iwi8::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE_ALPHA:
-        return &ImageFormat::FORMAT_R8_A8;
-    case iwi8::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE:
-        return &ImageFormat::FORMAT_R8;
-    case iwi8::IwiFormat::IMG_FORMAT_WAVELET_RGBA: // used
-    case iwi8::IwiFormat::IMG_FORMAT_WAVELET_RGB:  // used
-    case iwi8::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE_ALPHA:
-    case iwi8::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE:
-    case iwi8::IwiFormat::IMG_FORMAT_WAVELET_ALPHA:
-    case iwi8::IwiFormat::IMG_FORMAT_DXT3A_AS_LUMINANCE:
-    case iwi8::IwiFormat::IMG_FORMAT_DXT5A_AS_LUMINANCE:
-    case iwi8::IwiFormat::IMG_FORMAT_DXT3A_AS_ALPHA:
-    case iwi8::IwiFormat::IMG_FORMAT_DXT5A_AS_ALPHA:
-    case iwi8::IwiFormat::IMG_FORMAT_DXT1_AS_LUMINANCE_ALPHA:
-    case iwi8::IwiFormat::IMG_FORMAT_DXN_AS_LUMINANCE_ALPHA:
-    case iwi8::IwiFormat::IMG_FORMAT_DXT1_AS_LUMINANCE:
-    case iwi8::IwiFormat::IMG_FORMAT_DXT1_AS_ALPHA:
-        printf("Unsupported IWI format: %i\n", format);
-        break;
-    default:
-        printf("Unknown IWI format: %i\n", format);
-        break;
-    }
-
-    return nullptr;
-}
-
-Texture* IwiLoader::LoadIwi8(std::istream& stream) const
-{
-    iwi8::IwiHeader header{};
-
-    stream.read(reinterpret_cast<char*>(&header), sizeof(header));
-    if (stream.gcount() != sizeof(header))
-        return nullptr;
-
-    const auto* format = GetFormat8(header.format);
-    if (format == nullptr)
-        return nullptr;
-
-    auto width = header.dimensions[0];
-    auto height = header.dimensions[1];
-    auto depth = header.dimensions[2];
-    auto hasMipMaps = !(header.flags & iwi8::IwiFlags::IMG_FLAG_NOMIPMAPS);
-
-    Texture* texture;
-    if ((header.flags & iwi8::IwiFlags::IMG_FLAG_MAPTYPE_MASK) == iwi8::IwiFlags::IMG_FLAG_MAPTYPE_CUBE)
-    {
-        texture = m_memory_manager->Create<TextureCube>(format, width, height, hasMipMaps);
-    }
-    else if ((header.flags & iwi8::IwiFlags::IMG_FLAG_MAPTYPE_MASK) == iwi8::IwiFlags::IMG_FLAG_MAPTYPE_3D)
-    {
-        texture = m_memory_manager->Create<Texture3D>(format, width, height, depth, hasMipMaps);
-    }
-    else if ((header.flags & iwi8::IwiFlags::IMG_FLAG_MAPTYPE_MASK) == iwi8::IwiFlags::IMG_FLAG_MAPTYPE_2D)
-    {
-        texture = m_memory_manager->Create<Texture2D>(format, width, height, hasMipMaps);
-    }
-    else if ((header.flags & iwi8::IwiFlags::IMG_FLAG_MAPTYPE_MASK) == iwi8::IwiFlags::IMG_FLAG_MAPTYPE_1D)
-    {
-        printf("Iwi has unsupported map type 1D\n");
-        return nullptr;
-    }
-    else
-    {
-        printf("Iwi has unsupported map type\n");
-        return nullptr;
-    }
-
-    texture->Allocate();
-
-    auto currentFileSize = sizeof(iwi8::IwiHeader) + sizeof(IwiVersion);
-    const auto mipMapCount = hasMipMaps ? texture->GetMipMapCount() : 1;
-
-    for (auto currentMipLevel = mipMapCount - 1; currentMipLevel >= 0; currentMipLevel--)
-    {
-        const auto sizeOfMipLevel = texture->GetSizeOfMipLevel(currentMipLevel) * texture->GetFaceCount();
-        currentFileSize += sizeOfMipLevel;
-
-        if (currentMipLevel < static_cast<int>(std::extent_v<decltype(iwi8::IwiHeader::fileSizeForPicmip)>)
-            && currentFileSize != header.fileSizeForPicmip[currentMipLevel])
-        {
-            printf("Iwi has invalid file size for picmip %i\n", currentMipLevel);
-
-            m_memory_manager->Delete(texture);
-            return nullptr;
-        }
-
-        stream.read(reinterpret_cast<char*>(texture->GetBufferForMipLevel(currentMipLevel)), sizeOfMipLevel);
-        if (stream.gcount() != sizeOfMipLevel)
-        {
-            printf("Unexpected eof of iwi in mip level %i\n", currentMipLevel);
-
-            m_memory_manager->Delete(texture);
-            return nullptr;
-        }
-    }
-
-    return texture;
-}
-
-const ImageFormat* IwiLoader::GetFormat13(int8_t format)
-{
-    switch (static_cast<iwi13::IwiFormat>(format))
-    {
-    case iwi13::IwiFormat::IMG_FORMAT_BITMAP_RGBA:
-        return &ImageFormat::FORMAT_R8_G8_B8_A8;
-    case iwi13::IwiFormat::IMG_FORMAT_BITMAP_RGB:
-        return &ImageFormat::FORMAT_R8_G8_B8;
-    case iwi13::IwiFormat::IMG_FORMAT_BITMAP_ALPHA:
-        return &ImageFormat::FORMAT_A8;
-    case iwi13::IwiFormat::IMG_FORMAT_DXT1:
-        return &ImageFormat::FORMAT_BC1;
-    case iwi13::IwiFormat::IMG_FORMAT_DXT3:
-        return &ImageFormat::FORMAT_BC2;
-    case iwi13::IwiFormat::IMG_FORMAT_DXT5:
-        return &ImageFormat::FORMAT_BC3;
-    case iwi13::IwiFormat::IMG_FORMAT_DXN:
-        return &ImageFormat::FORMAT_BC5;
-    case iwi13::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE_ALPHA:
-        return &ImageFormat::FORMAT_R8_A8;
-    case iwi13::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE:
-        return &ImageFormat::FORMAT_R8;
-    case iwi13::IwiFormat::IMG_FORMAT_WAVELET_RGBA: // used
-    case iwi13::IwiFormat::IMG_FORMAT_WAVELET_RGB:  // used
-    case iwi13::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE_ALPHA:
-    case iwi13::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE:
-    case iwi13::IwiFormat::IMG_FORMAT_WAVELET_ALPHA:
-    case iwi13::IwiFormat::IMG_FORMAT_BITMAP_RGB565:
-    case iwi13::IwiFormat::IMG_FORMAT_BITMAP_RGB5A3:
-    case iwi13::IwiFormat::IMG_FORMAT_BITMAP_C8:
-    case iwi13::IwiFormat::IMG_FORMAT_BITMAP_RGBA8:
-    case iwi13::IwiFormat::IMG_FORMAT_A16B16G16R16F:
-        printf("Unsupported IWI format: %i\n", format);
-        break;
-    default:
-        printf("Unknown IWI format: %i\n", format);
-        break;
-    }
-
-    return nullptr;
-}
-
-Texture* IwiLoader::LoadIwi13(std::istream& stream) const
-{
-    iwi13::IwiHeader header{};
-
-    stream.read(reinterpret_cast<char*>(&header), sizeof(header));
-    if (stream.gcount() != sizeof(header))
-        return nullptr;
-
-    const auto* format = GetFormat6(header.format);
-    if (format == nullptr)
-        return nullptr;
-
-    auto width = header.dimensions[0];
-    auto height = header.dimensions[1];
-    auto depth = header.dimensions[2];
-    auto hasMipMaps = !(header.flags & iwi13::IwiFlags::IMG_FLAG_NOMIPMAPS);
-
-    Texture* texture;
-    if (header.flags & iwi13::IwiFlags::IMG_FLAG_CUBEMAP)
-    {
-        texture = m_memory_manager->Create<TextureCube>(format, width, height, hasMipMaps);
-    }
-    else if (header.flags & iwi13::IwiFlags::IMG_FLAG_VOLMAP)
-    {
-        texture = m_memory_manager->Create<Texture3D>(format, width, height, depth, hasMipMaps);
-    }
-    else
-    {
-        texture = m_memory_manager->Create<Texture2D>(format, width, height, hasMipMaps);
-    }
-
-    texture->Allocate();
-
-    auto currentFileSize = sizeof(iwi13::IwiHeader) + sizeof(IwiVersion);
-    const auto mipMapCount = hasMipMaps ? texture->GetMipMapCount() : 1;
-
-    for (auto currentMipLevel = mipMapCount - 1; currentMipLevel >= 0; currentMipLevel--)
-    {
-        const auto sizeOfMipLevel = texture->GetSizeOfMipLevel(currentMipLevel) * texture->GetFaceCount();
-        currentFileSize += sizeOfMipLevel;
-
-        if (currentMipLevel < static_cast<int>(std::extent_v<decltype(iwi13::IwiHeader::fileSizeForPicmip)>)
-            && currentFileSize != header.fileSizeForPicmip[currentMipLevel])
-        {
-            printf("Iwi has invalid file size for picmip %i\n", currentMipLevel);
-
-            m_memory_manager->Delete(texture);
-            return nullptr;
-        }
-
-        stream.read(reinterpret_cast<char*>(texture->GetBufferForMipLevel(currentMipLevel)), sizeOfMipLevel);
-        if (stream.gcount() != sizeOfMipLevel)
-        {
-            printf("Unexpected eof of iwi in mip level %i\n", currentMipLevel);
-
-            m_memory_manager->Delete(texture);
-            return nullptr;
-        }
-    }
-
-    return texture;
-}
-
-const ImageFormat* IwiLoader::GetFormat27(int8_t format)
-{
-    switch (static_cast<iwi27::IwiFormat>(format))
-    {
-    case iwi27::IwiFormat::IMG_FORMAT_BITMAP_RGBA:
-        return &ImageFormat::FORMAT_R8_G8_B8_A8;
-    case iwi27::IwiFormat::IMG_FORMAT_BITMAP_ALPHA:
-        return &ImageFormat::FORMAT_A8;
-    case iwi27::IwiFormat::IMG_FORMAT_DXT1:
-        return &ImageFormat::FORMAT_BC1;
-    case iwi27::IwiFormat::IMG_FORMAT_DXT3:
-        return &ImageFormat::FORMAT_BC2;
-    case iwi27::IwiFormat::IMG_FORMAT_DXT5:
-        return &ImageFormat::FORMAT_BC3;
-    case iwi27::IwiFormat::IMG_FORMAT_DXN:
-        return &ImageFormat::FORMAT_BC5;
-    case iwi27::IwiFormat::IMG_FORMAT_A16B16G16R16F:
-        assert(false); // Unsupported yet
-        return &ImageFormat::FORMAT_R16_G16_B16_A16_FLOAT;
-    case iwi27::IwiFormat::IMG_FORMAT_BITMAP_RGB:
-        return &ImageFormat::FORMAT_R8_G8_B8;
-    case iwi27::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE_ALPHA:
-        return &ImageFormat::FORMAT_R8_A8;
-    case iwi27::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE:
-        return &ImageFormat::FORMAT_R8;
-    case iwi27::IwiFormat::IMG_FORMAT_WAVELET_RGBA:
-    case iwi27::IwiFormat::IMG_FORMAT_WAVELET_RGB:
-    case iwi27::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE_ALPHA:
-    case iwi27::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE:
-    case iwi27::IwiFormat::IMG_FORMAT_WAVELET_ALPHA:
-    case iwi27::IwiFormat::IMG_FORMAT_BITMAP_RGB565:
-    case iwi27::IwiFormat::IMG_FORMAT_BITMAP_RGB5A3:
-    case iwi27::IwiFormat::IMG_FORMAT_BITMAP_C8:
-    case iwi27::IwiFormat::IMG_FORMAT_BITMAP_RGBA8:
-        printf("Unsupported IWI format: %i\n", format);
-        break;
-    default:
-        printf("Unknown IWI format: %i\n", format);
-        break;
-    }
-
-    return nullptr;
-}
-
-Texture* IwiLoader::LoadIwi27(std::istream& stream) const
-{
-    iwi27::IwiHeader header{};
-
-    stream.read(reinterpret_cast<char*>(&header), sizeof(header));
-    if (stream.gcount() != sizeof(header))
-        return nullptr;
-
-    const auto* format = GetFormat27(header.format);
-    if (format == nullptr)
-        return nullptr;
-
-    auto width = header.dimensions[0];
-    auto height = header.dimensions[1];
-    auto depth = header.dimensions[2];
-    auto hasMipMaps = !(header.flags & iwi27::IwiFlags::IMG_FLAG_NOMIPMAPS);
-
-    Texture* texture;
-    if (header.flags & iwi27::IwiFlags::IMG_FLAG_CUBEMAP)
-    {
-        texture = m_memory_manager->Create<TextureCube>(format, width, height, hasMipMaps);
-    }
-    else if (header.flags & iwi27::IwiFlags::IMG_FLAG_VOLMAP)
-    {
-        texture = m_memory_manager->Create<Texture3D>(format, width, height, depth, hasMipMaps);
-    }
-    else
-    {
-        texture = m_memory_manager->Create<Texture2D>(format, width, height, hasMipMaps);
-    }
-
-    texture->Allocate();
-
-    auto currentFileSize = sizeof(iwi27::IwiHeader) + sizeof(IwiVersion);
-    const auto mipMapCount = hasMipMaps ? texture->GetMipMapCount() : 1;
-
-    for (auto currentMipLevel = mipMapCount - 1; currentMipLevel >= 0; currentMipLevel--)
-    {
-        const auto sizeOfMipLevel = texture->GetSizeOfMipLevel(currentMipLevel) * texture->GetFaceCount();
-        currentFileSize += sizeOfMipLevel;
-
-        if (currentMipLevel < static_cast<int>(std::extent_v<decltype(iwi27::IwiHeader::fileSizeForPicmip)>)
-            && currentFileSize != header.fileSizeForPicmip[currentMipLevel])
-        {
-            printf("Iwi has invalid file size for picmip %i\n", currentMipLevel);
-
-            m_memory_manager->Delete(texture);
-            return nullptr;
-        }
-
-        stream.read(reinterpret_cast<char*>(texture->GetBufferForMipLevel(currentMipLevel)), sizeOfMipLevel);
-        if (stream.gcount() != sizeOfMipLevel)
-        {
-            printf("Unexpected eof of iwi in mip level %i\n", currentMipLevel);
-
-            m_memory_manager->Delete(texture);
-            return nullptr;
-        }
-    }
-
-    return texture;
-}
-
-Texture* IwiLoader::LoadIwi(std::istream& stream)
-{
-    IwiVersion iwiVersion{};
-
-    stream.read(reinterpret_cast<char*>(&iwiVersion), sizeof(iwiVersion));
-    if (stream.gcount() != sizeof(iwiVersion))
-        return nullptr;
-
-    if (iwiVersion.tag[0] != 'I' || iwiVersion.tag[1] != 'W' || iwiVersion.tag[2] != 'i')
-    {
-        printf("Invalid IWI magic\n");
-    }
-
-    switch (iwiVersion.version)
-    {
-    case 6:
-        return LoadIwi6(stream);
-
-    case 8:
-        return LoadIwi8(stream);
-
-    case 13:
-        return LoadIwi13(stream);
-
-    case 27:
-        return LoadIwi27(stream);
-
-    default:
-        break;
-    }
-
-    printf("Unknown IWI version %i\n", iwiVersion.version);
-    return nullptr;
-}

src/ObjLoading/Image/IwiLoader.h

@@ -1,28 +0,0 @@
-#pragma once
-
-#include "Image/Texture.h"
-#include "Utils/MemoryManager.h"
-
-#include <istream>
-
-class IwiLoader
-{
-    MemoryManager* m_memory_manager;
-
-    static const ImageFormat* GetFormat6(int8_t format);
-    Texture* LoadIwi6(std::istream& stream) const;
-
-    static const ImageFormat* GetFormat8(int8_t format);
-    Texture* LoadIwi8(std::istream& stream) const;
-
-    static const ImageFormat* GetFormat13(int8_t format);
-    Texture* LoadIwi13(std::istream& stream) const;
-
-    static const ImageFormat* GetFormat27(int8_t format);
-    Texture* LoadIwi27(std::istream& stream) const;
-
-public:
-    explicit IwiLoader(MemoryManager* memoryManager);
-
-    Texture* LoadIwi(std::istream& stream);
-};

src/ObjLoading/ObjContainer/ObjContainerRepository.h

@@ -29,8 +29,6 @@ template<typename ContainerType, typename ReferencerType> class ObjContainerRepo
         ObjContainerEntry& operator=(ObjContainerEntry&& other) noexcept = default;
     };
 
-    std::vector<ObjContainerEntry> m_containers;
-
 public:
     ObjContainerRepository() = default;
     ~ObjContainerRepository() = default;
@@ -120,4 +118,7 @@ public:
                                                                                                                             return entry.m_container.get();
                                                                                                                         });
     }
+
+private:
+    std::vector<ObjContainerEntry> m_containers;
 };

src/ObjLoading/ObjLoading.cpp

@@ -22,7 +22,7 @@ const IObjLoader* const OBJ_LOADERS[]{
     new T6::ObjLoader(),
 };
 
-void ObjLoading::LoadReferencedContainersForZone(ISearchPath* searchPath, Zone* zone)
+void ObjLoading::LoadReferencedContainersForZone(ISearchPath& searchPath, Zone& zone)
 {
     for (const auto* loader : OBJ_LOADERS)
     {
@@ -34,19 +34,7 @@ void ObjLoading::LoadReferencedContainersForZone(ISearchPath* searchPath, Zone*
     }
 }
 
-void ObjLoading::LoadObjDataForZone(ISearchPath* searchPath, Zone* zone)
-{
-    for (const auto* loader : OBJ_LOADERS)
-    {
-        if (loader->SupportsZone(zone))
-        {
-            loader->LoadObjDataForZone(searchPath, zone);
-            return;
-        }
-    }
-}
-
-void ObjLoading::UnloadContainersOfZone(Zone* zone)
+void ObjLoading::UnloadContainersOfZone(Zone& zone)
 {
     for (const auto* loader : OBJ_LOADERS)
     {
@@ -58,10 +46,10 @@ void ObjLoading::UnloadContainersOfZone(Zone* zone)
     }
 }
 
-void ObjLoading::LoadIWDsInSearchPath(ISearchPath* searchPath)
+void ObjLoading::LoadIWDsInSearchPath(ISearchPath& searchPath)
 {
-    searchPath->Find(SearchPathSearchOptions().IncludeSubdirectories(false).FilterExtensions("iwd"),
-                     [searchPath](const std::string& path)
+    searchPath.Find(SearchPathSearchOptions().IncludeSubdirectories(false).FilterExtensions("iwd"),
+                    [&searchPath](const std::string& path)
                     {
                         auto file = std::make_unique<std::ifstream>(path, std::fstream::in | std::fstream::binary);
 
@@ -71,15 +59,15 @@ void ObjLoading::LoadIWDsInSearchPath(ISearchPath* searchPath)
 
                             if (iwd->Initialize())
                             {
-                                 IWD::Repository.AddContainer(std::move(iwd), searchPath);
+                                IWD::Repository.AddContainer(std::move(iwd), &searchPath);
                             }
                         }
                     });
 }
 
-void ObjLoading::UnloadIWDsInSearchPath(ISearchPath* searchPath)
+void ObjLoading::UnloadIWDsInSearchPath(ISearchPath& searchPath)
 {
-    IWD::Repository.RemoveContainerReferences(searchPath);
+    IWD::Repository.RemoveContainerReferences(&searchPath);
 }
 
 SearchPaths ObjLoading::GetIWDSearchPaths()
@@ -94,11 +82,11 @@ SearchPaths ObjLoading::GetIWDSearchPaths()
     return iwdPaths;
 }
 
-bool ObjLoading::LoadAssetForZone(AssetLoadingContext* context, const asset_type_t assetType, const std::string& assetName)
+bool ObjLoading::LoadAssetForZone(AssetLoadingContext& context, const asset_type_t assetType, const std::string& assetName)
 {
     for (const auto* loader : OBJ_LOADERS)
     {
-        if (loader->SupportsZone(context->m_zone))
+        if (loader->SupportsZone(context.m_zone))
         {
             return loader->LoadAssetForZone(context, assetType, assetName);
         }
@@ -107,11 +95,11 @@ bool ObjLoading::LoadAssetForZone(AssetLoadingContext* context, const asset_type
     return false;
 }
 
-void ObjLoading::FinalizeAssetsForZone(AssetLoadingContext* context)
+void ObjLoading::FinalizeAssetsForZone(AssetLoadingContext& context)
 {
     for (const auto* loader : OBJ_LOADERS)
     {
-        if (loader->SupportsZone(context->m_zone))
+        if (loader->SupportsZone(context.m_zone))
         {
             loader->FinalizeAssetsForZone(context);
             return;

src/ObjLoading/ObjLoading.h

@@ -21,25 +21,25 @@ public:
      * \param searchPath The search path to use to find the referenced containers.
      * \param zone The zone to load all referenced containers of.
      */
-    static void LoadReferencedContainersForZone(ISearchPath* searchPath, Zone* zone);
+    static void LoadReferencedContainersForZone(ISearchPath& searchPath, Zone& zone);
 
     /**
      * \brief Unloads all containers that were referenced by a specified zone. If referenced by more than one zone a container will only be unloaded once all
      * referencing zones were unloaded the container. \param zone The zone to unload all referenced containers for.
      */
-    static void UnloadContainersOfZone(Zone* zone);
+    static void UnloadContainersOfZone(Zone& zone);
 
     /**
      * \brief Loads all IWDs that can be found in a specified search path.
      * \param searchPath The search path that contains IWDs to be loaded.
      */
-    static void LoadIWDsInSearchPath(ISearchPath* searchPath);
+    static void LoadIWDsInSearchPath(ISearchPath& searchPath);
 
     /**
      * \brief Unloads all IWDs that were loaded from the specified search path.
      * \param searchPath The search path that was used to load the IWDs to be unloaded.
      */
-    static void UnloadIWDsInSearchPath(ISearchPath* searchPath);
+    static void UnloadIWDsInSearchPath(ISearchPath& searchPath);
 
     /**
      * \brief Creates a \c SearchPaths object containing all IWDs that are currently loaded.
@@ -47,13 +47,6 @@ public:
      */
     static SearchPaths GetIWDSearchPaths();
 
-    /**
-     * \brief Loads the obj data for all assets of a zone.
-     * \param searchPath The search path to use to search for all obj data files.
-     * \param zone The zone of the assets to load the obj data for.
-     */
-    static void LoadObjDataForZone(ISearchPath* searchPath, Zone* zone);
-
-    static bool LoadAssetForZone(AssetLoadingContext* context, asset_type_t assetType, const std::string& assetName);
-    static void FinalizeAssetsForZone(AssetLoadingContext* context);
+    static bool LoadAssetForZone(AssetLoadingContext& context, asset_type_t assetType, const std::string& assetName);
+    static void FinalizeAssetsForZone(AssetLoadingContext& context);
 };

src/ObjLoading/SearchPath/SearchPaths.cpp

@@ -1,5 +1,6 @@
 #include "SearchPaths.h"
 
+#include <cassert>
 #include <filesystem>
 
 SearchPathOpenFile SearchPaths::Open(const std::string& fileName)
@@ -38,11 +39,13 @@ void SearchPaths::CommitSearchPath(std::unique_ptr<ISearchPath> searchPath)
 
 void SearchPaths::IncludeSearchPath(ISearchPath* searchPath)
 {
+    assert(searchPath);
     m_search_paths.push_back(searchPath);
 }
 
-void SearchPaths::RemoveSearchPath(ISearchPath* searchPath)
+void SearchPaths::RemoveSearchPath(const ISearchPath* searchPath)
 {
+    assert(searchPath);
     for (auto i = m_search_paths.begin(); i != m_search_paths.end(); ++i)
     {
         if (*i == searchPath)

src/ObjLoading/SearchPath/SearchPaths.h

@@ -40,7 +40,7 @@ public:
      * \brief Removes a search path from the \c SearchPaths object. If the search path was committed then it will \b NOT be deleted when destructing the \c
      * SearchPaths object. \param searchPath  The search path to remove.
      */
-    void RemoveSearchPath(ISearchPath* searchPath);
+    void RemoveSearchPath(const ISearchPath* searchPath);
 
     iterator begin();
     iterator end();

src/ObjLoading/Sound/SoundCurveLoader.cpp

@@ -8,9 +8,9 @@ namespace sound_curve
 {
     std::unique_ptr<GenericGraph2D> LoadSoundCurve(const IAssetLoadingManager* manager, const std::string& soundCurveName)
     {
-        auto* searchPath = manager->GetAssetLoadingContext()->m_raw_search_path;
+        auto& searchPath = manager->GetAssetLoadingContext()->m_raw_search_path;
         const auto fileName = std::format("soundaliases/{}.vfcurve", soundCurveName);
-        const auto file = searchPath->Open(fileName);
+        const auto file = searchPath.Open(fileName);
         if (!file.IsOpen())
         {
             return nullptr;

src/ObjLoading/Weapon/AccuracyGraphLoader.cpp

@@ -9,9 +9,9 @@ namespace
 {
     std::unique_ptr<GenericGraph2D> LoadAccuracyGraph(const IAssetLoadingManager* manager, const std::string& graphName, const std::string& subFolder)
     {
-        auto* searchPath = manager->GetAssetLoadingContext()->m_raw_search_path;
+        auto& searchPath = manager->GetAssetLoadingContext()->m_raw_search_path;
         const auto fileName = std::format("accuracy/{}/{}", subFolder, graphName);
-        const auto file = searchPath->Open(fileName);
+        const auto file = searchPath.Open(fileName);
         if (!file.IsOpen())
         {
             std::cerr << std::format("Failed to open file for accuracy graph: {}/{}\n", subFolder, graphName);

src/ObjLoading/XModel/PartClassificationState.cpp

@@ -20,7 +20,7 @@ bool PartClassificationState::Load(const char** hitLocNames, const size_t hitLoc
     if (ObjLoading::Configuration.Verbose)
         std::cout << "Loading part classification...\n";
 
-    const auto file = manager.GetAssetLoadingContext()->m_raw_search_path->Open(PART_CLASSIFICATION_FILE);
+    const auto file = manager.GetAssetLoadingContext()->m_raw_search_path.Open(PART_CLASSIFICATION_FILE);
     if (!file.IsOpen())
     {
         std::cerr << std::format("Could not load part classification: Failed to open {}\n", PART_CLASSIFICATION_FILE);