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Ryujinx/Ryujinx.HLE/HOS/ModLoader.cs
Ac_K 4c2d9ff3ff
HLE: Refactoring of ApplicationLoader (#4480)
* HLE: Refactoring of ApplicationLoader

* Fix SDL2 Headless

* Addresses gdkchan feedback

* Fixes LoadUnpackedNca RomFS loading

* remove useless casting

* Cleanup and fixe empty application name

* Remove ProcessInfo

* Fixes typo

* ActiveProcess to ActiveApplication

* Update check

* Clean using.

* Use the correct filepath when loading Homebrew.npdm

* Fix NRE in ProcessResult if MetaLoader is null

* Add more checks for valid processId & return success

* Add missing logging statement for npdm error

* Return result for LoadKip()

* Move error logging out of PFS load extension method

This avoids logging "Could not find Main NCA"
followed by "Loading main..." when trying to start hbl.

* Fix GUIs not checking load results

* Fix style and formatting issues

* Fix formatting and wording

* gtk: Refactor LoadApplication()

---------

Co-authored-by: TSR Berry <20988865+TSRBerry@users.noreply.github.com>
2023-03-31 21:16:46 +02:00

761 lines
28 KiB
C#

using LibHac.Common;
using LibHac.Fs;
using LibHac.Fs.Fsa;
using LibHac.FsSystem;
using LibHac.Loader;
using LibHac.Tools.FsSystem;
using LibHac.Tools.FsSystem.RomFs;
using Ryujinx.Common.Configuration;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.HLE.Loaders.Executables;
using Ryujinx.HLE.Loaders.Mods;
using Ryujinx.HLE.Loaders.Processes;
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Globalization;
using System.IO;
using System.Linq;
using Path = System.IO.Path;
namespace Ryujinx.HLE.HOS
{
public class ModLoader
{
private const string RomfsDir = "romfs";
private const string ExefsDir = "exefs";
private const string CheatDir = "cheats";
private const string RomfsContainer = "romfs.bin";
private const string ExefsContainer = "exefs.nsp";
private const string StubExtension = ".stub";
private const string CheatExtension = ".txt";
private const string DefaultCheatName = "<default>";
private const string AmsContentsDir = "contents";
private const string AmsNsoPatchDir = "exefs_patches";
private const string AmsNroPatchDir = "nro_patches";
private const string AmsKipPatchDir = "kip_patches";
public readonly struct Mod<T> where T : FileSystemInfo
{
public readonly string Name;
public readonly T Path;
public Mod(string name, T path)
{
Name = name;
Path = path;
}
}
public struct Cheat
{
// Atmosphere identifies the executables with the first 8 bytes
// of the build id, which is equivalent to 16 hex digits.
public const int CheatIdSize = 16;
public readonly string Name;
public readonly FileInfo Path;
public readonly IEnumerable<String> Instructions;
public Cheat(string name, FileInfo path, IEnumerable<String> instructions)
{
Name = name;
Path = path;
Instructions = instructions;
}
}
// Title dependent mods
public class ModCache
{
public List<Mod<FileInfo>> RomfsContainers { get; }
public List<Mod<FileInfo>> ExefsContainers { get; }
public List<Mod<DirectoryInfo>> RomfsDirs { get; }
public List<Mod<DirectoryInfo>> ExefsDirs { get; }
public List<Cheat> Cheats { get; }
public ModCache()
{
RomfsContainers = new List<Mod<FileInfo>>();
ExefsContainers = new List<Mod<FileInfo>>();
RomfsDirs = new List<Mod<DirectoryInfo>>();
ExefsDirs = new List<Mod<DirectoryInfo>>();
Cheats = new List<Cheat>();
}
}
// Title independent mods
public class PatchCache
{
public List<Mod<DirectoryInfo>> NsoPatches { get; }
public List<Mod<DirectoryInfo>> NroPatches { get; }
public List<Mod<DirectoryInfo>> KipPatches { get; }
internal bool Initialized { get; set; }
public PatchCache()
{
NsoPatches = new List<Mod<DirectoryInfo>>();
NroPatches = new List<Mod<DirectoryInfo>>();
KipPatches = new List<Mod<DirectoryInfo>>();
Initialized = false;
}
}
public Dictionary<ulong, ModCache> AppMods; // key is TitleId
public PatchCache Patches;
private static readonly EnumerationOptions _dirEnumOptions;
static ModLoader()
{
_dirEnumOptions = new EnumerationOptions
{
MatchCasing = MatchCasing.CaseInsensitive,
MatchType = MatchType.Simple,
RecurseSubdirectories = false,
ReturnSpecialDirectories = false
};
}
public ModLoader()
{
AppMods = new Dictionary<ulong, ModCache>();
Patches = new PatchCache();
}
public void Clear()
{
AppMods.Clear();
Patches = new PatchCache();
}
private static bool StrEquals(string s1, string s2) => string.Equals(s1, s2, StringComparison.OrdinalIgnoreCase);
public string GetModsBasePath() => EnsureBaseDirStructure(AppDataManager.GetModsPath());
public string GetSdModsBasePath() => EnsureBaseDirStructure(AppDataManager.GetSdModsPath());
private string EnsureBaseDirStructure(string modsBasePath)
{
var modsDir = new DirectoryInfo(modsBasePath);
modsDir.CreateSubdirectory(AmsContentsDir);
modsDir.CreateSubdirectory(AmsNsoPatchDir);
modsDir.CreateSubdirectory(AmsNroPatchDir);
// modsDir.CreateSubdirectory(AmsKipPatchDir); // uncomment when KIPs are supported
return modsDir.FullName;
}
private static DirectoryInfo FindTitleDir(DirectoryInfo contentsDir, string titleId)
=> contentsDir.EnumerateDirectories($"{titleId}*", _dirEnumOptions).FirstOrDefault();
public string GetTitleDir(string modsBasePath, string titleId)
{
var contentsDir = new DirectoryInfo(Path.Combine(modsBasePath, AmsContentsDir));
var titleModsPath = FindTitleDir(contentsDir, titleId);
if (titleModsPath == null)
{
Logger.Info?.Print(LogClass.ModLoader, $"Creating mods directory for Title {titleId.ToUpper()}");
titleModsPath = contentsDir.CreateSubdirectory(titleId);
}
return titleModsPath.FullName;
}
// Static Query Methods
public static void QueryPatchDirs(PatchCache cache, DirectoryInfo patchDir)
{
if (cache.Initialized || !patchDir.Exists) return;
var patches = cache.KipPatches;
string type = null;
if (StrEquals(AmsNsoPatchDir, patchDir.Name)) { patches = cache.NsoPatches; type = "NSO"; }
else if (StrEquals(AmsNroPatchDir, patchDir.Name)) { patches = cache.NroPatches; type = "NRO"; }
else if (StrEquals(AmsKipPatchDir, patchDir.Name)) { patches = cache.KipPatches; type = "KIP"; }
else return;
foreach (var modDir in patchDir.EnumerateDirectories())
{
patches.Add(new Mod<DirectoryInfo>(modDir.Name, modDir));
Logger.Info?.Print(LogClass.ModLoader, $"Found {type} patch '{modDir.Name}'");
}
}
public static void QueryTitleDir(ModCache mods, DirectoryInfo titleDir)
{
if (!titleDir.Exists) return;
var fsFile = new FileInfo(Path.Combine(titleDir.FullName, RomfsContainer));
if (fsFile.Exists)
{
mods.RomfsContainers.Add(new Mod<FileInfo>($"<{titleDir.Name} RomFs>", fsFile));
}
fsFile = new FileInfo(Path.Combine(titleDir.FullName, ExefsContainer));
if (fsFile.Exists)
{
mods.ExefsContainers.Add(new Mod<FileInfo>($"<{titleDir.Name} ExeFs>", fsFile));
}
System.Text.StringBuilder types = new System.Text.StringBuilder(5);
foreach (var modDir in titleDir.EnumerateDirectories())
{
types.Clear();
Mod<DirectoryInfo> mod = new Mod<DirectoryInfo>("", null);
if (StrEquals(RomfsDir, modDir.Name))
{
mods.RomfsDirs.Add(mod = new Mod<DirectoryInfo>($"<{titleDir.Name} RomFs>", modDir));
types.Append('R');
}
else if (StrEquals(ExefsDir, modDir.Name))
{
mods.ExefsDirs.Add(mod = new Mod<DirectoryInfo>($"<{titleDir.Name} ExeFs>", modDir));
types.Append('E');
}
else if (StrEquals(CheatDir, modDir.Name))
{
for (int i = 0; i < QueryCheatsDir(mods, modDir); i++)
{
types.Append('C');
}
}
else
{
var romfs = new DirectoryInfo(Path.Combine(modDir.FullName, RomfsDir));
var exefs = new DirectoryInfo(Path.Combine(modDir.FullName, ExefsDir));
var cheat = new DirectoryInfo(Path.Combine(modDir.FullName, CheatDir));
if (romfs.Exists)
{
mods.RomfsDirs.Add(mod = new Mod<DirectoryInfo>(modDir.Name, romfs));
types.Append('R');
}
if (exefs.Exists)
{
mods.ExefsDirs.Add(mod = new Mod<DirectoryInfo>(modDir.Name, exefs));
types.Append('E');
}
if (cheat.Exists)
{
for (int i = 0; i < QueryCheatsDir(mods, cheat); i++)
{
types.Append('C');
}
}
}
if (types.Length > 0) Logger.Info?.Print(LogClass.ModLoader, $"Found mod '{mod.Name}' [{types}]");
}
}
public static void QueryContentsDir(ModCache mods, DirectoryInfo contentsDir, ulong titleId)
{
if (!contentsDir.Exists) return;
Logger.Info?.Print(LogClass.ModLoader, $"Searching mods for {((titleId & 0x1000) != 0 ? "DLC" : "Title")} {titleId:X16}");
var titleDir = FindTitleDir(contentsDir, $"{titleId:x16}");
if (titleDir != null)
{
QueryTitleDir(mods, titleDir);
}
}
private static int QueryCheatsDir(ModCache mods, DirectoryInfo cheatsDir)
{
if (!cheatsDir.Exists)
{
return 0;
}
int numMods = 0;
foreach (FileInfo file in cheatsDir.EnumerateFiles())
{
if (!StrEquals(CheatExtension, file.Extension))
{
continue;
}
string cheatId = Path.GetFileNameWithoutExtension(file.Name);
if (cheatId.Length != Cheat.CheatIdSize)
{
continue;
}
if (!ulong.TryParse(cheatId, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out _))
{
continue;
}
// A cheat file can contain several cheats for the same executable, so the file must be parsed in
// order to properly enumerate them.
mods.Cheats.AddRange(GetCheatsInFile(file));
}
return numMods;
}
private static IEnumerable<Cheat> GetCheatsInFile(FileInfo cheatFile)
{
string cheatName = DefaultCheatName;
List<string> instructions = new List<string>();
List<Cheat> cheats = new List<Cheat>();
using (StreamReader cheatData = cheatFile.OpenText())
{
string line;
while ((line = cheatData.ReadLine()) != null)
{
line = line.Trim();
if (line.StartsWith('['))
{
// This line starts a new cheat section.
if (!line.EndsWith(']') || line.Length < 3)
{
// Skip the entire file if there's any error while parsing the cheat file.
Logger.Warning?.Print(LogClass.ModLoader, $"Ignoring cheat '{cheatFile.FullName}' because it is malformed");
return new List<Cheat>();
}
// Add the previous section to the list.
if (instructions.Count != 0)
{
cheats.Add(new Cheat($"<{cheatName} Cheat>", cheatFile, instructions));
}
// Start a new cheat section.
cheatName = line.Substring(1, line.Length - 2);
instructions = new List<string>();
}
else if (line.Length > 0)
{
// The line contains an instruction.
instructions.Add(line);
}
}
// Add the last section being processed.
if (instructions.Count != 0)
{
cheats.Add(new Cheat($"<{cheatName} Cheat>", cheatFile, instructions));
}
}
return cheats;
}
// Assumes searchDirPaths don't overlap
public static void CollectMods(Dictionary<ulong, ModCache> modCaches, PatchCache patches, params string[] searchDirPaths)
{
static bool IsPatchesDir(string name) => StrEquals(AmsNsoPatchDir, name) ||
StrEquals(AmsNroPatchDir, name) ||
StrEquals(AmsKipPatchDir, name);
static bool IsContentsDir(string name) => StrEquals(AmsContentsDir, name);
static bool TryQuery(DirectoryInfo searchDir, PatchCache patches, Dictionary<ulong, ModCache> modCaches)
{
if (IsContentsDir(searchDir.Name))
{
foreach (var (titleId, cache) in modCaches)
{
QueryContentsDir(cache, searchDir, titleId);
}
return true;
}
else if (IsPatchesDir(searchDir.Name))
{
QueryPatchDirs(patches, searchDir);
return true;
}
return false;
}
foreach (var path in searchDirPaths)
{
var searchDir = new DirectoryInfo(path);
if (!searchDir.Exists)
{
Logger.Warning?.Print(LogClass.ModLoader, $"Mod Search Dir '{searchDir.FullName}' doesn't exist");
continue;
}
if (!TryQuery(searchDir, patches, modCaches))
{
foreach (var subdir in searchDir.EnumerateDirectories())
{
TryQuery(subdir, patches, modCaches);
}
}
}
patches.Initialized = true;
}
public void CollectMods(IEnumerable<ulong> titles, params string[] searchDirPaths)
{
Clear();
foreach (ulong titleId in titles)
{
AppMods[titleId] = new ModCache();
}
CollectMods(AppMods, Patches, searchDirPaths);
}
internal IStorage ApplyRomFsMods(ulong titleId, IStorage baseStorage)
{
if (!AppMods.TryGetValue(titleId, out ModCache mods) || mods.RomfsDirs.Count + mods.RomfsContainers.Count == 0)
{
return baseStorage;
}
var fileSet = new HashSet<string>();
var builder = new RomFsBuilder();
int count = 0;
Logger.Info?.Print(LogClass.ModLoader, $"Applying RomFS mods for Title {titleId:X16}");
// Prioritize loose files first
foreach (var mod in mods.RomfsDirs)
{
using (IFileSystem fs = new LocalFileSystem(mod.Path.FullName))
{
AddFiles(fs, mod.Name, fileSet, builder);
}
count++;
}
// Then files inside images
foreach (var mod in mods.RomfsContainers)
{
Logger.Info?.Print(LogClass.ModLoader, $"Found 'romfs.bin' for Title {titleId:X16}");
using (IFileSystem fs = new RomFsFileSystem(mod.Path.OpenRead().AsStorage()))
{
AddFiles(fs, mod.Name, fileSet, builder);
}
count++;
}
if (fileSet.Count == 0)
{
Logger.Info?.Print(LogClass.ModLoader, "No files found. Using base RomFS");
return baseStorage;
}
Logger.Info?.Print(LogClass.ModLoader, $"Replaced {fileSet.Count} file(s) over {count} mod(s). Processing base storage...");
// And finally, the base romfs
var baseRom = new RomFsFileSystem(baseStorage);
foreach (var entry in baseRom.EnumerateEntries()
.Where(f => f.Type == DirectoryEntryType.File && !fileSet.Contains(f.FullPath))
.OrderBy(f => f.FullPath, StringComparer.Ordinal))
{
using var file = new UniqueRef<IFile>();
baseRom.OpenFile(ref file.Ref, entry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
builder.AddFile(entry.FullPath, file.Release());
}
Logger.Info?.Print(LogClass.ModLoader, "Building new RomFS...");
IStorage newStorage = builder.Build();
Logger.Info?.Print(LogClass.ModLoader, "Using modded RomFS");
return newStorage;
}
private static void AddFiles(IFileSystem fs, string modName, HashSet<string> fileSet, RomFsBuilder builder)
{
foreach (var entry in fs.EnumerateEntries()
.Where(f => f.Type == DirectoryEntryType.File)
.OrderBy(f => f.FullPath, StringComparer.Ordinal))
{
using var file = new UniqueRef<IFile>();
fs.OpenFile(ref file.Ref, entry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
if (fileSet.Add(entry.FullPath))
{
builder.AddFile(entry.FullPath, file.Release());
}
else
{
Logger.Warning?.Print(LogClass.ModLoader, $" Skipped duplicate file '{entry.FullPath}' from '{modName}'", "ApplyRomFsMods");
}
}
}
internal bool ReplaceExefsPartition(ulong titleId, ref IFileSystem exefs)
{
if (!AppMods.TryGetValue(titleId, out ModCache mods) || mods.ExefsContainers.Count == 0)
{
return false;
}
if (mods.ExefsContainers.Count > 1)
{
Logger.Warning?.Print(LogClass.ModLoader, "Multiple ExeFS partition replacements detected");
}
Logger.Info?.Print(LogClass.ModLoader, $"Using replacement ExeFS partition");
exefs = new PartitionFileSystem(mods.ExefsContainers[0].Path.OpenRead().AsStorage());
return true;
}
public struct ModLoadResult
{
public BitVector32 Stubs;
public BitVector32 Replaces;
public MetaLoader Npdm;
public bool Modified => (Stubs.Data | Replaces.Data) != 0;
}
internal ModLoadResult ApplyExefsMods(ulong titleId, NsoExecutable[] nsos)
{
ModLoadResult modLoadResult = new ModLoadResult
{
Stubs = new BitVector32(),
Replaces = new BitVector32()
};
if (!AppMods.TryGetValue(titleId, out ModCache mods) || mods.ExefsDirs.Count == 0)
{
return modLoadResult;
}
if (nsos.Length != ProcessConst.ExeFsPrefixes.Length)
{
throw new ArgumentOutOfRangeException("NSO Count is incorrect");
}
var exeMods = mods.ExefsDirs;
foreach (var mod in exeMods)
{
for (int i = 0; i < ProcessConst.ExeFsPrefixes.Length; ++i)
{
var nsoName = ProcessConst.ExeFsPrefixes[i];
FileInfo nsoFile = new FileInfo(Path.Combine(mod.Path.FullName, nsoName));
if (nsoFile.Exists)
{
if (modLoadResult.Replaces[1 << i])
{
Logger.Warning?.Print(LogClass.ModLoader, $"Multiple replacements to '{nsoName}'");
continue;
}
modLoadResult.Replaces[1 << i] = true;
nsos[i] = new NsoExecutable(nsoFile.OpenRead().AsStorage(), nsoName);
Logger.Info?.Print(LogClass.ModLoader, $"NSO '{nsoName}' replaced");
}
modLoadResult.Stubs[1 << i] |= File.Exists(Path.Combine(mod.Path.FullName, nsoName + StubExtension));
}
FileInfo npdmFile = new FileInfo(Path.Combine(mod.Path.FullName, "main.npdm"));
if (npdmFile.Exists)
{
if (modLoadResult.Npdm != null)
{
Logger.Warning?.Print(LogClass.ModLoader, "Multiple replacements to 'main.npdm'");
continue;
}
modLoadResult.Npdm = new MetaLoader();
modLoadResult.Npdm.Load(File.ReadAllBytes(npdmFile.FullName));
Logger.Info?.Print(LogClass.ModLoader, "main.npdm replaced");
}
}
for (int i = ProcessConst.ExeFsPrefixes.Length - 1; i >= 0; --i)
{
if (modLoadResult.Stubs[1 << i] && !modLoadResult.Replaces[1 << i]) // Prioritizes replacements over stubs
{
Logger.Info?.Print(LogClass.ModLoader, $" NSO '{nsos[i].Name}' stubbed");
nsos[i] = null;
}
}
return modLoadResult;
}
internal void ApplyNroPatches(NroExecutable nro)
{
var nroPatches = Patches.NroPatches;
if (nroPatches.Count == 0) return;
// NRO patches aren't offset relative to header unlike NSO
// according to Atmosphere's ro patcher module
ApplyProgramPatches(nroPatches, 0, nro);
}
internal bool ApplyNsoPatches(ulong titleId, params IExecutable[] programs)
{
IEnumerable<Mod<DirectoryInfo>> nsoMods = Patches.NsoPatches;
if (AppMods.TryGetValue(titleId, out ModCache mods))
{
nsoMods = nsoMods.Concat(mods.ExefsDirs);
}
// NSO patches are created with offset 0 according to Atmosphere's patcher module
// But `Program` doesn't contain the header which is 0x100 bytes. So, we adjust for that here
return ApplyProgramPatches(nsoMods, 0x100, programs);
}
internal void LoadCheats(ulong titleId, ProcessTamperInfo tamperInfo, TamperMachine tamperMachine)
{
if (tamperInfo == null || tamperInfo.BuildIds == null || tamperInfo.CodeAddresses == null)
{
Logger.Error?.Print(LogClass.ModLoader, "Unable to install cheat because the associated process is invalid");
return;
}
Logger.Info?.Print(LogClass.ModLoader, $"Build ids found for title {titleId:X16}:\n {String.Join("\n ", tamperInfo.BuildIds)}");
if (!AppMods.TryGetValue(titleId, out ModCache mods) || mods.Cheats.Count == 0)
{
return;
}
var cheats = mods.Cheats;
var processExes = tamperInfo.BuildIds.Zip(tamperInfo.CodeAddresses, (k, v) => new { k, v })
.ToDictionary(x => x.k.Substring(0, Math.Min(Cheat.CheatIdSize, x.k.Length)), x => x.v);
foreach (var cheat in cheats)
{
string cheatId = Path.GetFileNameWithoutExtension(cheat.Path.Name).ToUpper();
if (!processExes.TryGetValue(cheatId, out ulong exeAddress))
{
Logger.Warning?.Print(LogClass.ModLoader, $"Skipping cheat '{cheat.Name}' because no executable matches its BuildId {cheatId} (check if the game title and version are correct)");
continue;
}
Logger.Info?.Print(LogClass.ModLoader, $"Installing cheat '{cheat.Name}'");
tamperMachine.InstallAtmosphereCheat(cheat.Name, cheatId, cheat.Instructions, tamperInfo, exeAddress);
}
EnableCheats(titleId, tamperMachine);
}
internal void EnableCheats(ulong titleId, TamperMachine tamperMachine)
{
var contentDirectory = FindTitleDir(new DirectoryInfo(Path.Combine(GetModsBasePath(), AmsContentsDir)), $"{titleId:x16}");
string enabledCheatsPath = Path.Combine(contentDirectory.FullName, CheatDir, "enabled.txt");
if (File.Exists(enabledCheatsPath))
{
tamperMachine.EnableCheats(File.ReadAllLines(enabledCheatsPath));
}
}
private static bool ApplyProgramPatches(IEnumerable<Mod<DirectoryInfo>> mods, int protectedOffset, params IExecutable[] programs)
{
int count = 0;
MemPatch[] patches = new MemPatch[programs.Length];
for (int i = 0; i < patches.Length; ++i)
{
patches[i] = new MemPatch();
}
var buildIds = programs.Select(p => p switch
{
NsoExecutable nso => Convert.ToHexString(nso.BuildId.ItemsRo.ToArray()).TrimEnd('0'),
NroExecutable nro => Convert.ToHexString(nro.Header.BuildId).TrimEnd('0'),
_ => string.Empty
}).ToList();
int GetIndex(string buildId) => buildIds.FindIndex(id => id == buildId); // O(n) but list is small
// Collect patches
foreach (var mod in mods)
{
var patchDir = mod.Path;
foreach (var patchFile in patchDir.EnumerateFiles())
{
if (StrEquals(".ips", patchFile.Extension)) // IPS|IPS32
{
string filename = Path.GetFileNameWithoutExtension(patchFile.FullName).Split('.')[0];
string buildId = filename.TrimEnd('0');
int index = GetIndex(buildId);
if (index == -1)
{
continue;
}
Logger.Info?.Print(LogClass.ModLoader, $"Matching IPS patch '{patchFile.Name}' in '{mod.Name}' bid={buildId}");
using var fs = patchFile.OpenRead();
using var reader = new BinaryReader(fs);
var patcher = new IpsPatcher(reader);
patcher.AddPatches(patches[index]);
}
else if (StrEquals(".pchtxt", patchFile.Extension)) // IPSwitch
{
using var fs = patchFile.OpenRead();
using var reader = new StreamReader(fs);
var patcher = new IPSwitchPatcher(reader);
int index = GetIndex(patcher.BuildId);
if (index == -1)
{
continue;
}
Logger.Info?.Print(LogClass.ModLoader, $"Matching IPSwitch patch '{patchFile.Name}' in '{mod.Name}' bid={patcher.BuildId}");
patcher.AddPatches(patches[index]);
}
}
}
// Apply patches
for (int i = 0; i < programs.Length; ++i)
{
count += patches[i].Patch(programs[i].Program, protectedOffset);
}
return count > 0;
}
}
}