October 2025 GDK での Game Saves の実装

\Microsoft GDK\251000\windows\include
\Microsoft GDK\251000\xbox\lib\x64
\Microsoft GDK\251000\xbox\bin\x64

# Configure GDK paths for your target platform
if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
    set(GDK_INCLUDE_DIR "${GDK_PATH}/windows/include")
    set(GDK_LIB_DIR "${GDK_PATH}/windows/lib/x64")
elseif(XBOX)
    set(GDK_INCLUDE_DIR "${GDK_PATH}/xbox/include")
    set(GDK_LIB_DIR "${GDK_PATH}/xbox/lib/x64")
endif()

<!-- Set include paths for Game Saves development -->
<IncludePath>$(GDK)\windows\include;$(IncludePath)</IncludePath>
<LibraryPath>$(GDK)\windows\lib\x64;$(LibraryPath)</LibraryPath>

// Initialize XGameRuntime - required for all Game Saves implementations
HRESULT hr = XGameRuntimeInitialize();
if (FAILED(hr)) {
    // Handle initialization failure
    return hr;
}

YourGame/
├── YourGame.exe
├── xgameruntime.dll          // Required for Steam/Steam Deck
├── Steam_api64.dll
└── Other game files...

# Automatically copy XGameRuntime DLL for Steam builds
if(STEAM_BUILD)
    add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
        COMMAND ${CMAKE_COMMAND} -E copy_if_different
        "${GDK_PATH}/windows/bin/xgameruntime.dll"
        $<TARGET_FILE_DIR:${PROJECT_NAME}>)
endif()

<Target Name="CopySteamRuntimeDll" AfterTargets="Build" Condition="'$(SteamBuild)'=='true'">
  <Copy SourceFiles="$(GDK)\windows\bin\xgameruntime.dll" 
        DestinationFolder="$(OutDir)" />
</Target>

Link these .lib files in your project:
- libHttpClient.lib
- PlayFabCore.lib 
- PlayFabServices.lib (optional, but recommended for additional PlayFab features)
- PlayFabGameSave.lib
- xgameruntime.lib

Deploy these .dll files with Steam builds:
- libHttpClient.dll
- PlayFabCore.dll
- PlayFabServices.dll (optional, but recommended)
- PlayFabGameSave.dll
- xgameruntime.dll

<!-- Link all required Unified SDK libraries -->
<AdditionalDependencies>
  libHttpClient.lib;
  PlayFabCore.lib;
  PlayFabServices.lib;
  PlayFabGameSave.lib;
  xgameruntime.lib;
  %(AdditionalDependencies)
</AdditionalDependencies>

<!-- Automatically deploy DLLs for Steam builds -->
<Target Name="CopyUnifiedSDKDlls" AfterTargets="Build" Condition="'$(SteamBuild)'=='true'">
  <ItemGroup>
    <UnifiedSDKDlls Include="$(GDK)\windows\bin\libHttpClient.dll" />
    <UnifiedSDKDlls Include="$(GDK)\windows\bin\PlayFabCore.dll" />
    <UnifiedSDKDlls Include="$(GDK)\windows\bin\PlayFabServices.dll" />
    <UnifiedSDKDlls Include="$(GDK)\windows\bin\PlayFabGameSave.dll" />
    <UnifiedSDKDlls Include="$(GDK)\windows\bin\xgameruntime.dll" />
  </ItemGroup>
  </ItemGroup>
  <Copy SourceFiles="@(UnifiedSDKDlls)" DestinationFolder="$(OutDir)" />
</Target>

# Link all required Unified SDK libraries
target_link_libraries(${PROJECT_NAME} PRIVATE
    libHttpClient
    PlayFabCore
    PlayFabServices
    PlayFabGameSave
    xgameruntime
)

# Automatically deploy DLLs for Steam builds
if(STEAM_BUILD)
    set(UNIFIED_SDK_DLLS
        "${GDK_PATH}/windows/bin/libHttpClient.dll"
        "${GDK_PATH}/windows/bin/PlayFabCore.dll"
        "${GDK_PATH}/windows/bin/PlayFabServices.dll"
        "${GDK_PATH}/windows/bin/PlayFabGameSave.dll"
        "${GDK_PATH}/windows/bin/xgameruntime.dll"
    )
    
    foreach(DLL ${UNIFIED_SDK_DLLS})
        add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
            COMMAND ${CMAKE_COMMAND} -E copy_if_different
            ${DLL} $<TARGET_FILE_DIR:${PROJECT_NAME}>)
    endforeach()
endif()

// Essential headers for Game Saves implementation
#include <playfab/core/PFCore.h>
#include <playfab/services/PFServices.h>
#include <playfab/gamesave/PFGameSave.h>
#include <XGameRuntimeInit.h>

// 1. Initialize XGameRuntime (foundation for Xbox Live services)
HRESULT hr = XGameRuntimeInitialize();
if (FAILED(hr)) {
    // Handle initialization failure
    return hr;
}

// 2. Initialize PlayFab Core (authentication and entity management)
hr = PFInitialize(nullptr);
if (FAILED(hr)) {
    // Handle PlayFab Core initialization failure
    return hr;
}

// 3. Initialize PlayFab Services (optional - only if using other PlayFab services)
hr = PFServicesInitialize(nullptr);
if (FAILED(hr)) {
    // Handle PlayFab Services initialization failure
    return hr;
}

// 4. Create service configuration (connects to your PlayFab title)
PFServiceConfigHandle serviceConfigHandle{ nullptr };
hr = PFServiceConfigCreateHandle(
    "https://YOUR_TITLE_ID.playfabapi.com",    // Replace with your endpoint
    "YOUR_TITLE_ID",                           // Replace with your Title ID
    &serviceConfigHandle);
if (FAILED(hr)) {
    // Handle service config creation failure
    return hr;
}

// 5. Initialize Game Saves with your service configuration
hr = PFGameSaveFilesInitialize(serviceConfigHandle);
if (FAILED(hr)) {
    // Handle Game Saves initialization failure
    return hr;
}

// Game Saves is now ready for use!

// Clean up Game Saves
PFGameSaveFilesUninitialize();

// Close service configuration
PFServiceConfigCloseHandle(serviceConfigHandle);
serviceConfigHandle = nullptr;

// Async cleanup for PlayFab Services (only if initialized)
XAsyncBlock async{};
HRESULT hr = PFServicesUninitializeAsync(&async);
hr = XAsyncGetStatus(&async, true);  // Wait for completion

// Async cleanup for PlayFab Core
hr = PFUninitializeAsync(&async);
hr = XAsyncGetStatus(&async, true);  // Wait for completion

// Clean up XGameRuntime
XGameRuntimeUninitialize();