mirror of
https://git.743378673.xyz/MeloNX/MeloNX.git
synced 2025-07-09 00:36:27 +02:00
add interface fore loading games from storage
This commit is contained in:
Emmanuel Hansen
parent
145cd0b2b1
commit
56a6ac2a65
5 changed files with 507 additions and 5 deletions
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@ -15,12 +15,32 @@ using Ryujinx.Ui.Common.Configuration;
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using Ryujinx.Common.Logging;
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using Ryujinx.Audio.Integration;
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using Ryujinx.Audio.Backends.SDL2;
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using System.IO;
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using LibHac.Common.Keys;
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using LibHac.Common;
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using LibHac.Ns;
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using LibHac.Tools.Fs;
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using LibHac.Tools.FsSystem.NcaUtils;
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using Ryujinx.Ui.App.Common;
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using System.Text;
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using System.Threading;
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using LibHac.Fs.Fsa;
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using LibHac.FsSystem;
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using LibHac.Fs;
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using Path = System.IO.Path;
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using LibHac;
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using Ryujinx.HLE.Loaders.Npdm;
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using Ryujinx.Common.Utilities;
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using System.Globalization;
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using Ryujinx.Ui.Common.Configuration.System;
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namespace LibRyujinx
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{
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public static partial class LibRyujinx
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{
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internal static IHardwareDeviceDriver AudioDriver { get; set; } = new DummyHardwareDeviceDriver();
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private static readonly TitleUpdateMetadataJsonSerializerContext TitleSerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
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public static SwitchDevice? SwitchDevice { get; set; }
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[UnmanagedCallersOnly(EntryPoint = "initialize")]
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@ -64,7 +84,6 @@ namespace LibRyujinx
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{
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return false;
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}
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return true;
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}
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@ -72,6 +91,388 @@ namespace LibRyujinx
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{
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AudioDriver = new SDL2HardwareDeviceDriver();
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}
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public static GameInfo GetGameInfo(Stream gameStream, bool isXci)
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{
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var gameInfo = new GameInfo();
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gameInfo.FileSize = gameStream.Length * 0.000000000931;
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gameInfo.TitleName = "Unknown";
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gameInfo.TitleId = "0000000000000000";
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gameInfo.Developer = "Unknown";
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gameInfo.Version = "0";
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gameInfo.Icon = null;
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Language titleLanguage = Language.AmericanEnglish;
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BlitStruct<ApplicationControlProperty> controlHolder = new(1);
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try
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{
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try
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{
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PartitionFileSystem pfs;
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bool isExeFs = false;
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if (isXci)
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{
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Xci xci = new(SwitchDevice.VirtualFileSystem.KeySet, gameStream.AsStorage());
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pfs = xci.OpenPartition(XciPartitionType.Secure);
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}
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else
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{
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pfs = new PartitionFileSystem(gameStream.AsStorage());
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// If the NSP doesn't have a main NCA, decrement the number of applications found and then continue to the next application.
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bool hasMainNca = false;
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foreach (DirectoryEntryEx fileEntry in pfs.EnumerateEntries("/", "*"))
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{
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if (Path.GetExtension(fileEntry.FullPath).ToLower() == ".nca")
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{
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using UniqueRef<IFile> ncaFile = new();
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pfs.OpenFile(ref ncaFile.Ref, fileEntry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
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Nca nca = new(SwitchDevice.VirtualFileSystem.KeySet, ncaFile.Get.AsStorage());
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int dataIndex = Nca.GetSectionIndexFromType(NcaSectionType.Data, NcaContentType.Program);
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// Some main NCAs don't have a data partition, so check if the partition exists before opening it
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if (nca.Header.ContentType == NcaContentType.Program && !(nca.SectionExists(NcaSectionType.Data) && nca.Header.GetFsHeader(dataIndex).IsPatchSection()))
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{
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hasMainNca = true;
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break;
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}
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}
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else if (Path.GetFileNameWithoutExtension(fileEntry.FullPath) == "main")
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{
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isExeFs = true;
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}
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}
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if (!hasMainNca && !isExeFs)
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{
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return null;
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}
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}
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if (isExeFs)
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{
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using UniqueRef<IFile> npdmFile = new();
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Result result = pfs.OpenFile(ref npdmFile.Ref, "/main.npdm".ToU8Span(), OpenMode.Read);
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if (ResultFs.PathNotFound.Includes(result))
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{
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Npdm npdm = new(npdmFile.Get.AsStream());
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gameInfo.TitleName = npdm.TitleName;
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gameInfo.TitleId = npdm.Aci0.TitleId.ToString("x16");
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}
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}
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else
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{
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var id = gameInfo.TitleId;
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GetControlFsAndTitleId(pfs, out IFileSystem controlFs, out id);
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gameInfo.TitleId = id;
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// Check if there is an update available.
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if (IsUpdateApplied(gameInfo.TitleId, out IFileSystem updatedControlFs))
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{
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// Replace the original ControlFs by the updated one.
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controlFs = updatedControlFs;
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}
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ReadControlData(controlFs, controlHolder.ByteSpan);
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GetGameInformation(ref controlHolder.Value, out gameInfo.TitleName, out _, out gameInfo.Developer, out gameInfo.Version);
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// Read the icon from the ControlFS and store it as a byte array
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try
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{
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using UniqueRef<IFile> icon = new();
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controlFs.OpenFile(ref icon.Ref, $"/icon_{titleLanguage}.dat".ToU8Span(), OpenMode.Read).ThrowIfFailure();
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using MemoryStream stream = new();
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icon.Get.AsStream().CopyTo(stream);
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gameInfo.Icon = stream.ToArray();
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}
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catch (HorizonResultException)
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{
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foreach (DirectoryEntryEx entry in controlFs.EnumerateEntries("/", "*"))
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{
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if (entry.Name == "control.nacp")
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{
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continue;
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}
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using var icon = new UniqueRef<IFile>();
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controlFs.OpenFile(ref icon.Ref, entry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
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using MemoryStream stream = new();
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icon.Get.AsStream().CopyTo(stream);
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gameInfo.Icon = stream.ToArray();
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if (gameInfo.Icon != null)
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{
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break;
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}
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}
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}
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}
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}
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catch (MissingKeyException exception)
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{
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Logger.Warning?.Print(LogClass.Application, $"Your key set is missing a key with the name: {exception.Name}");
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}
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catch (InvalidDataException)
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{
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Logger.Warning?.Print(LogClass.Application, $"The header key is incorrect or missing and therefore the NCA header content type check has failed. ");
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}
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catch (Exception exception)
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{
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Logger.Warning?.Print(LogClass.Application, $"The gameStream encountered was not of a valid type. Error: {exception}");
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return null;
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}
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}
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catch (IOException exception)
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{
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Logger.Warning?.Print(LogClass.Application, exception.Message);
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}
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void ReadControlData(IFileSystem controlFs, Span<byte> outProperty)
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{
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using UniqueRef<IFile> controlFile = new();
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controlFs.OpenFile(ref controlFile.Ref, "/control.nacp".ToU8Span(), OpenMode.Read).ThrowIfFailure();
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controlFile.Get.Read(out _, 0, outProperty, ReadOption.None).ThrowIfFailure();
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}
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void GetGameInformation(ref ApplicationControlProperty controlData, out string titleName, out string titleId, out string publisher, out string version)
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{
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_ = Enum.TryParse(titleLanguage.ToString(), out TitleLanguage desiredTitleLanguage);
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if (controlData.Title.ItemsRo.Length > (int)desiredTitleLanguage)
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{
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titleName = controlData.Title[(int)desiredTitleLanguage].NameString.ToString();
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publisher = controlData.Title[(int)desiredTitleLanguage].PublisherString.ToString();
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}
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else
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{
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titleName = null;
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publisher = null;
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}
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if (string.IsNullOrWhiteSpace(titleName))
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{
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foreach (ref readonly var controlTitle in controlData.Title.ItemsRo)
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{
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if (!controlTitle.NameString.IsEmpty())
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{
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titleName = controlTitle.NameString.ToString();
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break;
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}
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}
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}
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if (string.IsNullOrWhiteSpace(publisher))
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{
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foreach (ref readonly var controlTitle in controlData.Title.ItemsRo)
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{
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if (!controlTitle.PublisherString.IsEmpty())
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{
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publisher = controlTitle.PublisherString.ToString();
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break;
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}
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}
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}
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if (controlData.PresenceGroupId != 0)
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{
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titleId = controlData.PresenceGroupId.ToString("x16");
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}
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else if (controlData.SaveDataOwnerId != 0)
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{
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titleId = controlData.SaveDataOwnerId.ToString();
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}
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else if (controlData.AddOnContentBaseId != 0)
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{
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titleId = (controlData.AddOnContentBaseId - 0x1000).ToString("x16");
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}
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else
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{
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titleId = "0000000000000000";
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}
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version = controlData.DisplayVersionString.ToString();
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}
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void GetControlFsAndTitleId(PartitionFileSystem pfs, out IFileSystem controlFs, out string titleId)
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{
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(_, _, Nca controlNca) = GetGameData(SwitchDevice.VirtualFileSystem, pfs, 0);
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// Return the ControlFS
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controlFs = controlNca?.OpenFileSystem(NcaSectionType.Data, IntegrityCheckLevel.None);
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titleId = controlNca?.Header.TitleId.ToString("x16");
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}
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(Nca main, Nca patch, Nca control) GetGameData(VirtualFileSystem fileSystem, PartitionFileSystem pfs, int programIndex)
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{
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Nca mainNca = null;
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Nca patchNca = null;
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Nca controlNca = null;
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fileSystem.ImportTickets(pfs);
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foreach (DirectoryEntryEx fileEntry in pfs.EnumerateEntries("/", "*.nca"))
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{
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using var ncaFile = new UniqueRef<IFile>();
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pfs.OpenFile(ref ncaFile.Ref, fileEntry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
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Nca nca = new Nca(fileSystem.KeySet, ncaFile.Release().AsStorage());
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int ncaProgramIndex = (int)(nca.Header.TitleId & 0xF);
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if (ncaProgramIndex != programIndex)
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{
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continue;
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}
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if (nca.Header.ContentType == NcaContentType.Program)
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{
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int dataIndex = Nca.GetSectionIndexFromType(NcaSectionType.Data, NcaContentType.Program);
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if (nca.SectionExists(NcaSectionType.Data) && nca.Header.GetFsHeader(dataIndex).IsPatchSection())
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{
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patchNca = nca;
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}
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else
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{
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mainNca = nca;
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}
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}
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else if (nca.Header.ContentType == NcaContentType.Control)
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{
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controlNca = nca;
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}
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}
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return (mainNca, patchNca, controlNca);
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}
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bool IsUpdateApplied(string titleId, out IFileSystem updatedControlFs)
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{
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updatedControlFs = null;
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string updatePath = "(unknown)";
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try
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{
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(Nca patchNca, Nca controlNca) = GetGameUpdateData(SwitchDevice.VirtualFileSystem, titleId, 0, out updatePath);
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if (patchNca != null && controlNca != null)
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{
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updatedControlFs = controlNca?.OpenFileSystem(NcaSectionType.Data, IntegrityCheckLevel.None);
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return true;
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}
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}
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catch (InvalidDataException)
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{
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Logger.Warning?.Print(LogClass.Application, $"The header key is incorrect or missing and therefore the NCA header content type check has failed. Errored File: {updatePath}");
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}
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catch (MissingKeyException exception)
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{
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Logger.Warning?.Print(LogClass.Application, $"Your key set is missing a key with the name: {exception.Name}. Errored File: {updatePath}");
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}
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return false;
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}
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(Nca patch, Nca control) GetGameUpdateData(VirtualFileSystem fileSystem, string titleId, int programIndex, out string updatePath)
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{
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updatePath = null;
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if (ulong.TryParse(titleId, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out ulong titleIdBase))
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{
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// Clear the program index part.
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titleIdBase &= ~0xFUL;
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// Load update information if exists.
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string titleUpdateMetadataPath = Path.Combine(AppDataManager.GamesDirPath, titleIdBase.ToString("x16"), "updates.json");
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if (File.Exists(titleUpdateMetadataPath))
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{
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updatePath = JsonHelper.DeserializeFromFile(titleUpdateMetadataPath, TitleSerializerContext.TitleUpdateMetadata).Selected;
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if (File.Exists(updatePath))
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{
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FileStream file = new FileStream(updatePath, FileMode.Open, FileAccess.Read);
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PartitionFileSystem nsp = new PartitionFileSystem(file.AsStorage());
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return GetGameUpdateDataFromPartition(fileSystem, nsp, titleIdBase.ToString("x16"), programIndex);
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}
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}
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}
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return (null, null);
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}
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(Nca patch, Nca control) GetGameUpdateDataFromPartition(VirtualFileSystem fileSystem, PartitionFileSystem pfs, string titleId, int programIndex)
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{
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Nca patchNca = null;
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Nca controlNca = null;
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fileSystem.ImportTickets(pfs);
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foreach (DirectoryEntryEx fileEntry in pfs.EnumerateEntries("/", "*.nca"))
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{
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using var ncaFile = new UniqueRef<IFile>();
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pfs.OpenFile(ref ncaFile.Ref, fileEntry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
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Nca nca = new Nca(fileSystem.KeySet, ncaFile.Release().AsStorage());
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int ncaProgramIndex = (int)(nca.Header.TitleId & 0xF);
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if (ncaProgramIndex != programIndex)
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{
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continue;
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}
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if ($"{nca.Header.TitleId.ToString("x16")[..^3]}000" != titleId)
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{
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break;
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}
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if (nca.Header.ContentType == NcaContentType.Program)
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{
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patchNca = nca;
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}
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else if (nca.Header.ContentType == NcaContentType.Control)
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{
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controlNca = nca;
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}
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}
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return (patchNca, controlNca);
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}
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return gameInfo;
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}
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}
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public class SwitchDevice : IDisposable
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@ -160,4 +561,14 @@ namespace LibRyujinx
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EmulationContext = null;
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}
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}
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public class GameInfo
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{
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public double FileSize;
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public string TitleName;
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public string TitleId;
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public string Developer;
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public string Version;
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public byte[] Icon;
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}
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}
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