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Ryujinx/Ryujinx.HLE/HOS/ApplicationLoader.cs
Alex Barney dadc0e59da
Update to LibHac 0.13.1 (#2475)
* Update to LibHac 0.13.1

* Recreate directories for indexed saves if they're missing on emulator start
2021-08-12 23:56:24 +02:00

782 lines
30 KiB
C#

using ARMeilleure.Translation.PTC;
using LibHac;
using LibHac.Account;
using LibHac.Common;
using LibHac.Fs;
using LibHac.Fs.Fsa;
using LibHac.Fs.Shim;
using LibHac.FsSystem;
using LibHac.FsSystem.NcaUtils;
using LibHac.Loader;
using LibHac.Ncm;
using LibHac.Ns;
using Ryujinx.Common.Configuration;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.FileSystem;
using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.HLE.Loaders.Executables;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Reflection;
using static LibHac.Fs.ApplicationSaveDataManagement;
using static Ryujinx.HLE.HOS.ModLoader;
using ApplicationId = LibHac.Ncm.ApplicationId;
namespace Ryujinx.HLE.HOS
{
using JsonHelper = Common.Utilities.JsonHelper;
public class ApplicationLoader
{
// Binaries from exefs are loaded into mem in this order. Do not change.
internal static readonly string[] ExeFsPrefixes =
{
"rtld",
"main",
"subsdk0",
"subsdk1",
"subsdk2",
"subsdk3",
"subsdk4",
"subsdk5",
"subsdk6",
"subsdk7",
"subsdk8",
"subsdk9",
"sdk"
};
private readonly Switch _device;
private string _titleName;
private string _displayVersion;
private BlitStruct<ApplicationControlProperty> _controlData;
public BlitStruct<ApplicationControlProperty> ControlData => _controlData;
public string TitleName => _titleName;
public string DisplayVersion => _displayVersion;
public ulong TitleId { get; private set; }
public bool TitleIs64Bit { get; private set; }
public string TitleIdText => TitleId.ToString("x16");
public ApplicationLoader(Switch device)
{
_device = device;
_controlData = new BlitStruct<ApplicationControlProperty>(1);
}
public void LoadCart(string exeFsDir, string romFsFile = null)
{
if (romFsFile != null)
{
_device.Configuration.VirtualFileSystem.LoadRomFs(romFsFile);
}
LocalFileSystem codeFs = new LocalFileSystem(exeFsDir);
MetaLoader metaData = ReadNpdm(codeFs);
_device.Configuration.VirtualFileSystem.ModLoader.CollectMods(new[] { TitleId }, _device.Configuration.VirtualFileSystem.ModLoader.GetModsBasePath());
if (TitleId != 0)
{
EnsureSaveData(new ApplicationId(TitleId));
}
LoadExeFs(codeFs, metaData);
}
public static (Nca main, Nca patch, Nca control) GetGameData(VirtualFileSystem fileSystem, PartitionFileSystem pfs, int programIndex)
{
Nca mainNca = null;
Nca patchNca = null;
Nca controlNca = null;
fileSystem.ImportTickets(pfs);
foreach (DirectoryEntryEx fileEntry in pfs.EnumerateEntries("/", "*.nca"))
{
pfs.OpenFile(out IFile ncaFile, fileEntry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
Nca nca = new Nca(fileSystem.KeySet, ncaFile.AsStorage());
int ncaProgramIndex = (int)(nca.Header.TitleId & 0xF);
if (ncaProgramIndex != programIndex)
{
continue;
}
if (nca.Header.ContentType == NcaContentType.Program)
{
int dataIndex = Nca.GetSectionIndexFromType(NcaSectionType.Data, NcaContentType.Program);
if (nca.Header.GetFsHeader(dataIndex).IsPatchSection())
{
patchNca = nca;
}
else
{
mainNca = nca;
}
}
else if (nca.Header.ContentType == NcaContentType.Control)
{
controlNca = nca;
}
}
return (mainNca, patchNca, controlNca);
}
public static (Nca patch, Nca control) GetGameUpdateDataFromPartition(VirtualFileSystem fileSystem, PartitionFileSystem pfs, string titleId, int programIndex)
{
Nca patchNca = null;
Nca controlNca = null;
fileSystem.ImportTickets(pfs);
foreach (DirectoryEntryEx fileEntry in pfs.EnumerateEntries("/", "*.nca"))
{
pfs.OpenFile(out IFile ncaFile, fileEntry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
Nca nca = new Nca(fileSystem.KeySet, ncaFile.AsStorage());
int ncaProgramIndex = (int)(nca.Header.TitleId & 0xF);
if (ncaProgramIndex != programIndex)
{
continue;
}
if ($"{nca.Header.TitleId.ToString("x16")[..^3]}000" != titleId)
{
break;
}
if (nca.Header.ContentType == NcaContentType.Program)
{
patchNca = nca;
}
else if (nca.Header.ContentType == NcaContentType.Control)
{
controlNca = nca;
}
}
return (patchNca, controlNca);
}
public static (Nca patch, Nca control) GetGameUpdateData(VirtualFileSystem fileSystem, string titleId, int programIndex, out string updatePath)
{
updatePath = null;
if (ulong.TryParse(titleId, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out ulong titleIdBase))
{
// Clear the program index part.
titleIdBase &= 0xFFFFFFFFFFFFFFF0;
// Load update informations if existing.
string titleUpdateMetadataPath = Path.Combine(AppDataManager.GamesDirPath, titleIdBase.ToString("x16"), "updates.json");
if (File.Exists(titleUpdateMetadataPath))
{
updatePath = JsonHelper.DeserializeFromFile<TitleUpdateMetadata>(titleUpdateMetadataPath).Selected;
if (File.Exists(updatePath))
{
FileStream file = new FileStream(updatePath, FileMode.Open, FileAccess.Read);
PartitionFileSystem nsp = new PartitionFileSystem(file.AsStorage());
return GetGameUpdateDataFromPartition(fileSystem, nsp, titleIdBase.ToString("x16"), programIndex);
}
}
}
return (null, null);
}
public void LoadXci(string xciFile)
{
FileStream file = new FileStream(xciFile, FileMode.Open, FileAccess.Read);
Xci xci = new Xci(_device.Configuration.VirtualFileSystem.KeySet, file.AsStorage());
if (!xci.HasPartition(XciPartitionType.Secure))
{
Logger.Error?.Print(LogClass.Loader, "Unable to load XCI: Could not find XCI secure partition");
return;
}
PartitionFileSystem securePartition = xci.OpenPartition(XciPartitionType.Secure);
Nca mainNca;
Nca patchNca;
Nca controlNca;
try
{
(mainNca, patchNca, controlNca) = GetGameData(_device.Configuration.VirtualFileSystem, securePartition, _device.Configuration.UserChannelPersistence.Index);
RegisterProgramMapInfo(securePartition).ThrowIfFailure();
}
catch (Exception e)
{
Logger.Error?.Print(LogClass.Loader, $"Unable to load XCI: {e.Message}");
return;
}
if (mainNca == null)
{
Logger.Error?.Print(LogClass.Loader, "Unable to load XCI: Could not find Main NCA");
return;
}
_device.Configuration.ContentManager.LoadEntries(_device);
_device.Configuration.ContentManager.ClearAocData();
_device.Configuration.ContentManager.AddAocData(securePartition, xciFile, mainNca.Header.TitleId, _device.Configuration.FsIntegrityCheckLevel);
LoadNca(mainNca, patchNca, controlNca);
}
public void LoadNsp(string nspFile)
{
FileStream file = new FileStream(nspFile, FileMode.Open, FileAccess.Read);
PartitionFileSystem nsp = new PartitionFileSystem(file.AsStorage());
Nca mainNca;
Nca patchNca;
Nca controlNca;
try
{
(mainNca, patchNca, controlNca) = GetGameData(_device.Configuration.VirtualFileSystem, nsp, _device.Configuration.UserChannelPersistence.Index);
RegisterProgramMapInfo(nsp).ThrowIfFailure();
}
catch (Exception e)
{
Logger.Error?.Print(LogClass.Loader, $"Unable to load NSP: {e.Message}");
return;
}
if (mainNca == null)
{
Logger.Error?.Print(LogClass.Loader, "Unable to load NSP: Could not find Main NCA");
return;
}
if (mainNca != null)
{
_device.Configuration.ContentManager.ClearAocData();
_device.Configuration.ContentManager.AddAocData(nsp, nspFile, mainNca.Header.TitleId, _device.Configuration.FsIntegrityCheckLevel);
LoadNca(mainNca, patchNca, controlNca);
return;
}
// This is not a normal NSP, it's actually a ExeFS as a NSP
LoadExeFs(nsp);
}
public void LoadNca(string ncaFile)
{
FileStream file = new FileStream(ncaFile, FileMode.Open, FileAccess.Read);
Nca nca = new Nca(_device.Configuration.VirtualFileSystem.KeySet, file.AsStorage(false));
LoadNca(nca, null, null);
}
private void LoadNca(Nca mainNca, Nca patchNca, Nca controlNca)
{
if (mainNca.Header.ContentType != NcaContentType.Program)
{
Logger.Error?.Print(LogClass.Loader, "Selected NCA is not a \"Program\" NCA");
return;
}
IStorage dataStorage = null;
IFileSystem codeFs = null;
(Nca updatePatchNca, Nca updateControlNca) = GetGameUpdateData(_device.Configuration.VirtualFileSystem, mainNca.Header.TitleId.ToString("x16"), _device.Configuration.UserChannelPersistence.Index, out _);
if (updatePatchNca != null)
{
patchNca = updatePatchNca;
}
if (updateControlNca != null)
{
controlNca = updateControlNca;
}
// Load program 0 control NCA as we are going to need it for display version.
(_, Nca updateProgram0ControlNca) = GetGameUpdateData(_device.Configuration.VirtualFileSystem, mainNca.Header.TitleId.ToString("x16"), 0, out _);
// Load Aoc
string titleAocMetadataPath = Path.Combine(AppDataManager.GamesDirPath, mainNca.Header.TitleId.ToString("x16"), "dlc.json");
if (File.Exists(titleAocMetadataPath))
{
List<DlcContainer> dlcContainerList = JsonHelper.DeserializeFromFile<List<DlcContainer>>(titleAocMetadataPath);
foreach (DlcContainer dlcContainer in dlcContainerList)
{
foreach (DlcNca dlcNca in dlcContainer.DlcNcaList)
{
_device.Configuration.ContentManager.AddAocItem(dlcNca.TitleId, dlcContainer.Path, dlcNca.Path, dlcNca.Enabled);
}
}
}
if (patchNca == null)
{
if (mainNca.CanOpenSection(NcaSectionType.Data))
{
dataStorage = mainNca.OpenStorage(NcaSectionType.Data, _device.System.FsIntegrityCheckLevel);
}
if (mainNca.CanOpenSection(NcaSectionType.Code))
{
codeFs = mainNca.OpenFileSystem(NcaSectionType.Code, _device.System.FsIntegrityCheckLevel);
}
}
else
{
if (patchNca.CanOpenSection(NcaSectionType.Data))
{
dataStorage = mainNca.OpenStorageWithPatch(patchNca, NcaSectionType.Data, _device.System.FsIntegrityCheckLevel);
}
if (patchNca.CanOpenSection(NcaSectionType.Code))
{
codeFs = mainNca.OpenFileSystemWithPatch(patchNca, NcaSectionType.Code, _device.System.FsIntegrityCheckLevel);
}
}
if (codeFs == null)
{
Logger.Error?.Print(LogClass.Loader, "No ExeFS found in NCA");
return;
}
MetaLoader metaData = ReadNpdm(codeFs);
_device.Configuration.VirtualFileSystem.ModLoader.CollectMods(_device.Configuration.ContentManager.GetAocTitleIds().Prepend(TitleId), _device.Configuration.VirtualFileSystem.ModLoader.GetModsBasePath());
if (controlNca != null)
{
ReadControlData(_device, controlNca, ref _controlData, ref _titleName, ref _displayVersion);
}
else
{
ControlData.ByteSpan.Clear();
}
// NOTE: Nintendo doesn't guarantee that the display version will be updated on sub programs when updating a multi program application.
// BODY: As such, to avoid PTC cache confusion, we only trust the the program 0 display version when launching a sub program.
if (updateProgram0ControlNca != null && _device.Configuration.UserChannelPersistence.Index != 0)
{
string dummyTitleName = "";
BlitStruct<ApplicationControlProperty> dummyControl = new BlitStruct<ApplicationControlProperty>(1);
ReadControlData(_device, updateProgram0ControlNca, ref dummyControl, ref dummyTitleName, ref _displayVersion);
}
if (dataStorage == null)
{
Logger.Warning?.Print(LogClass.Loader, "No RomFS found in NCA");
}
else
{
IStorage newStorage = _device.Configuration.VirtualFileSystem.ModLoader.ApplyRomFsMods(TitleId, dataStorage);
_device.Configuration.VirtualFileSystem.SetRomFs(newStorage.AsStream(FileAccess.Read));
}
// Don't create save data for system programs.
if (TitleId != 0 && (TitleId < SystemProgramId.Start.Value || TitleId > SystemAppletId.End.Value))
{
// Multi-program applications can technically use any program ID for the main program, but in practice they always use 0 in the low nibble.
// We'll know if this changes in the future because stuff will get errors when trying to mount the correct save.
EnsureSaveData(new ApplicationId(TitleId & ~0xFul));
}
LoadExeFs(codeFs, metaData);
Logger.Info?.Print(LogClass.Loader, $"Application Loaded: {TitleName} v{DisplayVersion} [{TitleIdText}] [{(TitleIs64Bit ? "64-bit" : "32-bit")}]");
}
// Sets TitleId, so be sure to call before using it
private MetaLoader ReadNpdm(IFileSystem fs)
{
Result result = fs.OpenFile(out IFile npdmFile, "/main.npdm".ToU8Span(), OpenMode.Read);
MetaLoader metaData;
if (ResultFs.PathNotFound.Includes(result))
{
Logger.Warning?.Print(LogClass.Loader, "NPDM file not found, using default values!");
metaData = GetDefaultNpdm();
}
else
{
npdmFile.GetSize(out long fileSize).ThrowIfFailure();
var npdmBuffer = new byte[fileSize];
npdmFile.Read(out _, 0, npdmBuffer).ThrowIfFailure();
metaData = new MetaLoader();
metaData.Load(npdmBuffer).ThrowIfFailure();
}
metaData.GetNpdm(out var npdm).ThrowIfFailure();
TitleId = npdm.Aci.Value.ProgramId.Value;
TitleIs64Bit = (npdm.Meta.Value.Flags & 1) != 0;
_device.System.LibHacHorizonManager.ArpIReader.ApplicationId = new LibHac.ApplicationId(TitleId);
return metaData;
}
private static void ReadControlData(Switch device, Nca controlNca, ref BlitStruct<ApplicationControlProperty> controlData, ref string titleName, ref string displayVersion)
{
IFileSystem controlFs = controlNca.OpenFileSystem(NcaSectionType.Data, device.System.FsIntegrityCheckLevel);
Result result = controlFs.OpenFile(out IFile controlFile, "/control.nacp".ToU8Span(), OpenMode.Read);
if (result.IsSuccess())
{
result = controlFile.Read(out long bytesRead, 0, controlData.ByteSpan, ReadOption.None);
if (result.IsSuccess() && bytesRead == controlData.ByteSpan.Length)
{
titleName = controlData.Value.Titles[(int)device.System.State.DesiredTitleLanguage].Name.ToString();
if (string.IsNullOrWhiteSpace(titleName))
{
titleName = controlData.Value.Titles.ToArray().FirstOrDefault(x => x.Name[0] != 0).Name.ToString();
}
displayVersion = controlData.Value.DisplayVersion.ToString();
}
}
else
{
controlData.ByteSpan.Clear();
}
}
private void LoadExeFs(IFileSystem codeFs, MetaLoader metaData = null)
{
if (_device.Configuration.VirtualFileSystem.ModLoader.ReplaceExefsPartition(TitleId, ref codeFs))
{
metaData = null; //TODO: Check if we should retain old npdm
}
metaData ??= ReadNpdm(codeFs);
NsoExecutable[] nsos = new NsoExecutable[ExeFsPrefixes.Length];
for (int i = 0; i < nsos.Length; i++)
{
string name = ExeFsPrefixes[i];
if (!codeFs.FileExists($"/{name}"))
{
continue; // file doesn't exist, skip
}
Logger.Info?.Print(LogClass.Loader, $"Loading {name}...");
codeFs.OpenFile(out IFile nsoFile, $"/{name}".ToU8Span(), OpenMode.Read).ThrowIfFailure();
nsos[i] = new NsoExecutable(nsoFile.AsStorage(), name);
}
// ExeFs file replacements
ModLoadResult modLoadResult = _device.Configuration.VirtualFileSystem.ModLoader.ApplyExefsMods(TitleId, nsos);
// collect the nsos, ignoring ones that aren't used
NsoExecutable[] programs = nsos.Where(x => x != null).ToArray();
// take the npdm from mods if present
if (modLoadResult.Npdm != null)
{
metaData = modLoadResult.Npdm;
}
_device.Configuration.VirtualFileSystem.ModLoader.ApplyNsoPatches(TitleId, programs);
_device.Configuration.ContentManager.LoadEntries(_device);
bool usePtc = _device.System.EnablePtc;
// Don't use PPTC if ExeFs files have been replaced.
usePtc &= !modLoadResult.Modified;
if (_device.System.EnablePtc && !usePtc)
{
Logger.Warning?.Print(LogClass.Ptc, $"Detected unsupported ExeFs modifications. PPTC disabled.");
}
Graphics.Gpu.GraphicsConfig.TitleId = TitleIdText;
_device.Gpu.HostInitalized.Set();
Ptc.Initialize(TitleIdText, DisplayVersion, usePtc, _device.Configuration.MemoryManagerMode);
metaData.GetNpdm(out Npdm npdm).ThrowIfFailure();
ProgramLoader.LoadNsos(_device.System.KernelContext, out ProcessTamperInfo tamperInfo, metaData, new ProgramInfo(in npdm), executables: programs);
_device.Configuration.VirtualFileSystem.ModLoader.LoadCheats(TitleId, tamperInfo, _device.TamperMachine);
}
public void LoadProgram(string filePath)
{
MetaLoader metaData = GetDefaultNpdm();
metaData.GetNpdm(out Npdm npdm).ThrowIfFailure();
ProgramInfo programInfo = new ProgramInfo(in npdm);
bool isNro = Path.GetExtension(filePath).ToLower() == ".nro";
IExecutable executable;
if (isNro)
{
FileStream input = new FileStream(filePath, FileMode.Open);
NroExecutable obj = new NroExecutable(input.AsStorage());
executable = obj;
// homebrew NRO can actually have some data after the actual NRO
if (input.Length > obj.FileSize)
{
input.Position = obj.FileSize;
BinaryReader reader = new BinaryReader(input);
uint asetMagic = reader.ReadUInt32();
if (asetMagic == 0x54455341)
{
uint asetVersion = reader.ReadUInt32();
if (asetVersion == 0)
{
ulong iconOffset = reader.ReadUInt64();
ulong iconSize = reader.ReadUInt64();
ulong nacpOffset = reader.ReadUInt64();
ulong nacpSize = reader.ReadUInt64();
ulong romfsOffset = reader.ReadUInt64();
ulong romfsSize = reader.ReadUInt64();
if (romfsSize != 0)
{
_device.Configuration.VirtualFileSystem.SetRomFs(new HomebrewRomFsStream(input, obj.FileSize + (long)romfsOffset));
}
if (nacpSize != 0)
{
input.Seek(obj.FileSize + (long)nacpOffset, SeekOrigin.Begin);
reader.Read(ControlData.ByteSpan);
ref ApplicationControlProperty nacp = ref ControlData.Value;
programInfo.Name = nacp.Titles[(int)_device.System.State.DesiredTitleLanguage].Name.ToString();
if (string.IsNullOrWhiteSpace(programInfo.Name))
{
programInfo.Name = nacp.Titles.ToArray().FirstOrDefault(x => x.Name[0] != 0).Name.ToString();
}
if (nacp.PresenceGroupId != 0)
{
programInfo.ProgramId = nacp.PresenceGroupId;
}
else if (nacp.SaveDataOwnerId.Value != 0)
{
programInfo.ProgramId = nacp.SaveDataOwnerId.Value;
}
else if (nacp.AddOnContentBaseId != 0)
{
programInfo.ProgramId = nacp.AddOnContentBaseId - 0x1000;
}
else
{
programInfo.ProgramId = 0000000000000000;
}
}
}
else
{
Logger.Warning?.Print(LogClass.Loader, $"Unsupported ASET header version found \"{asetVersion}\"");
}
}
}
}
else
{
executable = new NsoExecutable(new LocalStorage(filePath, FileAccess.Read), Path.GetFileNameWithoutExtension(filePath));
}
_device.Configuration.ContentManager.LoadEntries(_device);
_titleName = programInfo.Name;
TitleId = programInfo.ProgramId;
TitleIs64Bit = (npdm.Meta.Value.Flags & 1) != 0;
_device.System.LibHacHorizonManager.ArpIReader.ApplicationId = new LibHac.ApplicationId(TitleId);
// Explicitly null titleid to disable the shader cache
Graphics.Gpu.GraphicsConfig.TitleId = null;
_device.Gpu.HostInitalized.Set();
ProgramLoader.LoadNsos(_device.System.KernelContext, out ProcessTamperInfo tamperInfo, metaData, programInfo, executables: executable);
_device.Configuration.VirtualFileSystem.ModLoader.LoadCheats(TitleId, tamperInfo, _device.TamperMachine);
}
private MetaLoader GetDefaultNpdm()
{
Assembly asm = Assembly.GetCallingAssembly();
using (Stream npdmStream = asm.GetManifestResourceStream("Ryujinx.HLE.Homebrew.npdm"))
{
var npdmBuffer = new byte[npdmStream.Length];
npdmStream.Read(npdmBuffer);
var metaLoader = new MetaLoader();
metaLoader.Load(npdmBuffer).ThrowIfFailure();
return metaLoader;
}
}
private static (ulong applicationId, int programCount) GetMultiProgramInfo(VirtualFileSystem fileSystem, PartitionFileSystem pfs)
{
ulong mainProgramId = 0;
Span<bool> hasIndex = stackalloc bool[0x10];
fileSystem.ImportTickets(pfs);
foreach (DirectoryEntryEx fileEntry in pfs.EnumerateEntries("/", "*.nca"))
{
pfs.OpenFile(out IFile ncaFile, fileEntry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
Nca nca = new Nca(fileSystem.KeySet, ncaFile.AsStorage());
if (nca.Header.ContentType != NcaContentType.Program)
{
continue;
}
int dataIndex = Nca.GetSectionIndexFromType(NcaSectionType.Data, NcaContentType.Program);
if (nca.Header.GetFsHeader(dataIndex).IsPatchSection())
{
continue;
}
ulong currentProgramId = nca.Header.TitleId;
ulong currentMainProgramId = currentProgramId & ~0xFFFul;
if (mainProgramId == 0 && currentMainProgramId != 0)
{
mainProgramId = currentMainProgramId;
}
if (mainProgramId != currentMainProgramId)
{
// As far as I know there aren't any multi-application game cards containing multi-program applications,
// so because multi-application game cards are the only way we should run into multiple applications
// we'll just return that there's a single program.
return (mainProgramId, 1);
}
hasIndex[(int)(currentProgramId & 0xF)] = true;
}
int programCount = 0;
for (int i = 0; i < hasIndex.Length && hasIndex[i]; i++)
{
programCount++;
}
return (mainProgramId, programCount);
}
private Result RegisterProgramMapInfo(PartitionFileSystem pfs)
{
(ulong applicationId, int programCount) = GetMultiProgramInfo(_device.Configuration.VirtualFileSystem, pfs);
if (programCount <= 0)
return Result.Success;
Span<ProgramIndexMapInfo> mapInfo = stackalloc ProgramIndexMapInfo[0x10];
for (int i = 0; i < programCount; i++)
{
mapInfo[i].ProgramId = new ProgramId(applicationId + (uint)i);
mapInfo[i].MainProgramId = new ProgramId(applicationId);
mapInfo[i].ProgramIndex = (byte)i;
}
return _device.System.LibHacHorizonManager.NsClient.Fs.RegisterProgramIndexMapInfo(mapInfo.Slice(0, programCount));
}
private Result EnsureSaveData(ApplicationId applicationId)
{
Logger.Info?.Print(LogClass.Application, "Ensuring required savedata exists.");
Uid user = _device.System.AccountManager.LastOpenedUser.UserId.ToLibHacUid();
ref ApplicationControlProperty control = ref ControlData.Value;
if (LibHac.Utilities.IsZeros(ControlData.ByteSpan))
{
// If the current application doesn't have a loaded control property, create a dummy one
// and set the savedata sizes so a user savedata will be created.
control = ref new BlitStruct<ApplicationControlProperty>(1).Value;
// The set sizes don't actually matter as long as they're non-zero because we use directory savedata.
control.UserAccountSaveDataSize = 0x4000;
control.UserAccountSaveDataJournalSize = 0x4000;
Logger.Warning?.Print(LogClass.Application,
"No control file was found for this game. Using a dummy one instead. This may cause inaccuracies in some games.");
}
HorizonClient hos = _device.System.LibHacHorizonManager.RyujinxClient;
Result resultCode = hos.Fs.EnsureApplicationCacheStorage(out _, out _, applicationId, ref control);
if (resultCode.IsFailure())
{
Logger.Error?.Print(LogClass.Application, $"Error calling EnsureApplicationCacheStorage. Result code {resultCode.ToStringWithName()}");
return resultCode;
}
resultCode = EnsureApplicationSaveData(hos.Fs, out _, applicationId, ref control, ref user);
if (resultCode.IsFailure())
{
Logger.Error?.Print(LogClass.Application, $"Error calling EnsureApplicationSaveData. Result code {resultCode.ToStringWithName()}");
}
return resultCode;
}
}
}