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nacp: add support for zlib-compressed title blocks

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Introduced with TLoZ BotW 1.9.0, a compression flag determines whether the first 0x3000 bytes of the NACP title block contain a zlib-compressed blob that decompresses to 0x6000 bytes with up to 32 language entries. Added Polish and Thai language support (indexes 16/17), NacpHelper decompression utility, and updated all title-reading call sites to use resolved entries.
This commit is contained in:
Mythrax 2026-02-21 15:39:50 +10:00
parent 81f346f15f
commit 772b3fb800
No known key found for this signature in database
GPG key ID: 3D310DF18BB7ADB9
12 changed files with 216 additions and 33 deletions
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2
src/Ryujinx.HLE/HOS/SystemState/SystemLanguage.cs
View file

@ -20,5 +20,7 @@ namespace Ryujinx.HLE.HOS.SystemState
SimplifiedChinese,
TraditionalChinese,
BrazilianPortuguese,
Polish,
Thai,
}
}

4
src/Ryujinx.HLE/HOS/SystemState/SystemStateMgr.cs
View file

@ -23,7 +23,9 @@ namespace Ryujinx.HLE.HOS.SystemState
"es-419",
"zh-Hans",
"zh-Hant",
"pt-BR"
"pt-BR",
"pl",
"th"
];
internal long DesiredKeyboardLayout { get; private set; }

2
src/Ryujinx.HLE/HOS/SystemState/TitleLanguage.cs
View file

@ -18,5 +18,7 @@ namespace Ryujinx.HLE.HOS.SystemState
TraditionalChinese,
SimplifiedChinese,
BrazilianPortuguese,
Polish,
Thai,
}
}

28
src/Ryujinx.HLE/Loaders/Processes/Extensions/FileSystemExtensions.cs
View file

@ -8,6 +8,7 @@ using Ryujinx.Common.Configuration;
using Ryujinx.Common.Logging;
using Ryujinx.Graphics.Gpu;
using Ryujinx.HLE.Loaders.Executables;
using Ryujinx.HLE.Utilities;
using Ryujinx.Memory;
using System.Linq;
using static Ryujinx.HLE.HOS.ModLoader;
@ -86,16 +87,33 @@ namespace Ryujinx.HLE.Loaders.Processes.Extensions
if (!isHomebrew && programId > 0x010000000000FFFF)
{
programName = nacpData.Value.Title[(int)device.System.State.DesiredTitleLanguage].NameString.ToString();
int langIdx = (int)device.System.State.DesiredTitleLanguage;
var decompressedTitles = NacpHelper.IsCompressed(in nacpData.Value)
? NacpHelper.DecompressTitleEntries(in nacpData.Value) : null;
int titleCount = decompressedTitles?.Length ?? 16;
if (langIdx < titleCount)
{
programName = decompressedTitles != null
? decompressedTitles[langIdx].NameString.ToString()
: nacpData.Value.Title[langIdx].NameString.ToString();
}
if (string.IsNullOrWhiteSpace(programName))
{
foreach (ApplicationControlProperty.ApplicationTitle appTitle in nacpData.Value.Title)
for (int i = 0; i < titleCount; i++)
{
if (appTitle.Name[0] != 0)
continue;
bool empty = decompressedTitles != null
? decompressedTitles[i].Name[0] == 0
: nacpData.Value.Title[i].Name[0] == 0;
programName = appTitle.NameString.ToString();
if (!empty)
{
programName = decompressedTitles != null
? decompressedTitles[i].NameString.ToString()
: nacpData.Value.Title[i].NameString.ToString();
break;
}
}
}
}

33
src/Ryujinx.HLE/Loaders/Processes/ProcessLoader.cs
View file

@ -194,20 +194,39 @@ namespace Ryujinx.HLE.Loaders.Processes
{
nacpStorage.Read(0, nacpData.ByteSpan);
programName = nacpData.Value.Title[(int)_device.System.State.DesiredTitleLanguage].NameString.ToString();
int langIdx = (int)_device.System.State.DesiredTitleLanguage;
var decompressedTitles = Utilities.NacpHelper.IsCompressed(in nacpData.Value)
? Utilities.NacpHelper.DecompressTitleEntries(in nacpData.Value) : null;
int titleCount = decompressedTitles?.Length ?? 16;
if ("Switch Verification" ==
nacpData.Value.Title[(int)TitleLanguage.AmericanEnglish].NameString.ToString())
if (langIdx < titleCount)
{
programName = decompressedTitles != null
? decompressedTitles[langIdx].NameString.ToString()
: nacpData.Value.Title[langIdx].NameString.ToString();
}
string verifyName = decompressedTitles != null
? decompressedTitles[(int)TitleLanguage.AmericanEnglish].NameString.ToString()
: nacpData.Value.Title[(int)TitleLanguage.AmericanEnglish].NameString.ToString();
if ("Switch Verification" == verifyName)
throw new InvalidOperationException();
if (string.IsNullOrWhiteSpace(programName))
{
foreach (ApplicationControlProperty.ApplicationTitle nacpTitles in nacpData.Value.Title)
for (int i = 0; i < titleCount; i++)
{
if (nacpTitles.Name[0] != 0)
continue;
bool empty = decompressedTitles != null
? decompressedTitles[i].Name[0] == 0
: nacpData.Value.Title[i].Name[0] == 0;
programName = nacpTitles.NameString.ToString();
if (!empty)
{
programName = decompressedTitles != null
? decompressedTitles[i].NameString.ToString()
: nacpData.Value.Title[i].NameString.ToString();
break;
}
}
}

28
src/Ryujinx.HLE/Loaders/Processes/ProcessResult.cs
View file

@ -5,6 +5,7 @@ using Ryujinx.Common.Logging;
using Ryujinx.Cpu;
using Ryujinx.HLE.HOS.SystemState;
using Ryujinx.HLE.Loaders.Processes.Extensions;
using Ryujinx.HLE.Utilities;
using Ryujinx.Horizon.Common;
namespace Ryujinx.HLE.Loaders.Processes
@ -54,16 +55,33 @@ namespace Ryujinx.HLE.Loaders.Processes
{
ulong programId = metaLoader.ProgramId;
Name = ApplicationControlProperties.Title[(int)titleLanguage].NameString.ToString();
int langIdx = (int)titleLanguage;
var decompressedTitles = NacpHelper.IsCompressed(in ApplicationControlProperties)
? NacpHelper.DecompressTitleEntries(in ApplicationControlProperties) : null;
int titleCount = decompressedTitles?.Length ?? 16;
if (langIdx < titleCount)
{
Name = decompressedTitles != null
? decompressedTitles[langIdx].NameString.ToString()
: ApplicationControlProperties.Title[langIdx].NameString.ToString();
}
if (string.IsNullOrWhiteSpace(Name))
{
foreach (ApplicationControlProperty.ApplicationTitle appTitle in ApplicationControlProperties.Title)
for (int i = 0; i < titleCount; i++)
{
if (appTitle.Name[0] != 0)
continue;
bool empty = decompressedTitles != null
? decompressedTitles[i].Name[0] == 0
: ApplicationControlProperties.Title[i].Name[0] == 0;
Name = appTitle.NameString.ToString();
if (!empty)
{
Name = decompressedTitles != null
? decompressedTitles[i].NameString.ToString()
: ApplicationControlProperties.Title[i].NameString.ToString();
break;
}
}
}

61
src/Ryujinx.HLE/Utilities/NacpHelper.cs Normal file
View file

@ -0,0 +1,61 @@
using System;
using System.Buffers.Binary;
using System.IO;
using System.IO.Compression;
using System.Runtime.InteropServices;
using LibHac.Ns;
namespace Ryujinx.HLE.Utilities
{
public static class NacpHelper
{
private const int CompressedTitleCount = 32;
private const int UncompressedTitleCount = 16;
private const int TitleEntrySize = 0x300;
private const int TitleCompressionByteIndex = 1; // offset within Reserved3214
public static bool IsCompressed(ref readonly ApplicationControlProperty nacp)
=> nacp.Reserved3214[TitleCompressionByteIndex] == 1;
public static int GetTitleCount(ref readonly ApplicationControlProperty nacp)
=> IsCompressed(in nacp) ? CompressedTitleCount : UncompressedTitleCount;
/// <summary>
/// Decompresses a zlib-compressed NACP title block into 32 title entries.
/// Only call this when <see cref="IsCompressed"/> returns <c>true</c>.
/// </summary>
public static ApplicationControlProperty.ApplicationTitle[] DecompressTitleEntries(
ref readonly ApplicationControlProperty nacp)
{
ReadOnlySpan<byte> titleBytes = MemoryMarshal.AsBytes(
(ReadOnlySpan<ApplicationControlProperty.ApplicationTitle>)nacp.Title);
ushort compressedBlobSize = BinaryPrimitives.ReadUInt16LittleEndian(titleBytes);
ReadOnlySpan<byte> compressedBlob = titleBytes.Slice(2, compressedBlobSize);
byte[] decompressed = new byte[CompressedTitleCount * TitleEntrySize];
using (var compressedStream = new MemoryStream(compressedBlob.ToArray()))
using (var deflateStream = new DeflateStream(compressedStream, CompressionMode.Decompress))
{
int totalRead = 0;
while (totalRead < decompressed.Length)
{
int read = deflateStream.Read(decompressed, totalRead, decompressed.Length - totalRead);
if (read == 0)
break;
totalRead += read;
}
}
var result = new ApplicationControlProperty.ApplicationTitle[CompressedTitleCount];
for (int i = 0; i < CompressedTitleCount; i++)
{
result[i] = MemoryMarshal.Read<ApplicationControlProperty.ApplicationTitle>(
decompressed.AsSpan(i * TitleEntrySize, TitleEntrySize));
}
return result;
}
}
}

13
src/Ryujinx.Horizon/Sdk/Ns/ApplicationControlProperty.cs
View file

@ -58,7 +58,10 @@ namespace Ryujinx.Horizon.Sdk.Ns
public RepairFlagValue RepairFlag;
public byte ProgramIndex;
public RequiredNetworkServiceLicenseOnLaunchValue RequiredNetworkServiceLicenseOnLaunchFlag;
public Array4<byte> Reserved3214;
public byte ApplicationErrorCodePrefix;
public TitleCompressionValue TitleCompression;
public byte AcdIndex;
public byte ApparentPlatform;
public ApplicationNeighborDetectionClientConfiguration NeighborDetectionClientConfiguration;
public ApplicationJitConfiguration JitConfiguration;
public RequiredAddOnContentsSetBinaryDescriptor RequiredAddOnContentsSetBinaryDescriptors;
@ -130,6 +133,8 @@ namespace Ryujinx.Horizon.Sdk.Ns
TraditionalChinese = 13,
SimplifiedChinese = 14,
BrazilianPortuguese = 15,
Polish = 16,
Thai = 17,
}
public enum Organization
@ -302,5 +307,11 @@ namespace Ryujinx.Horizon.Sdk.Ns
Deny = 0,
Allow = 1,
}
public enum TitleCompressionValue : byte
{
Disable = 0,
Enable = 1,
}
}
}

12
src/Ryujinx/Headless/Windows/WindowBase.cs
View file

@ -167,7 +167,17 @@ namespace Ryujinx.Headless
ApplicationControlProperty nacp = activeProcess.ApplicationControlProperties;
int desiredLanguage = (int)Device.System.State.DesiredTitleLanguage;
string titleNameSection = string.IsNullOrWhiteSpace(nacp.Title[desiredLanguage].NameString.ToString()) ? string.Empty : $" - {nacp.Title[desiredLanguage].NameString.ToString()}";
string titleName;
if (Ryujinx.HLE.Utilities.NacpHelper.IsCompressed(in nacp))
{
var decompressed = Ryujinx.HLE.Utilities.NacpHelper.DecompressTitleEntries(in nacp);
titleName = desiredLanguage < decompressed.Length ? decompressed[desiredLanguage].NameString.ToString() : string.Empty;
}
else
{
titleName = desiredLanguage < 16 ? nacp.Title[desiredLanguage].NameString.ToString() : string.Empty;
}
string titleNameSection = string.IsNullOrWhiteSpace(titleName) ? string.Empty : $" - {titleName}";
string titleVersionSection = string.IsNullOrWhiteSpace(nacp.DisplayVersionString.ToString()) ? string.Empty : $" v{nacp.DisplayVersionString.ToString()}";
string titleIdSection = string.IsNullOrWhiteSpace(activeProcess.ProgramIdText) ? string.Empty : $" ({activeProcess.ProgramIdText.ToUpper()})";
string titleArchSection = activeProcess.Is64Bit ? " (64-bit)" : " (32-bit)";

51
src/Ryujinx/Systems/AppLibrary/ApplicationLibrary.cs
View file

@ -22,9 +22,9 @@ using Ryujinx.Common.Logging;
using Ryujinx.Common.Utilities;
using Ryujinx.HLE.FileSystem;
using Ryujinx.HLE.HOS.SystemState;
using Ryujinx.HLE.Utilities;
using Ryujinx.HLE.Loaders.Npdm;
using Ryujinx.HLE.Loaders.Processes.Extensions;
using Ryujinx.HLE.Utilities;
using System;
using System.Collections.Generic;
using System.IO;
@ -440,8 +440,10 @@ namespace Ryujinx.Ava.Systems.AppLibrary
GetApplicationInformation(ref controlHolder.Value, ref application);
if ("Switch Verification" == controlHolder.Value
.Title[(int)TitleLanguage.AmericanEnglish].NameString.ToString())
string verifyName = NacpHelper.IsCompressed(in controlHolder.Value)
? NacpHelper.DecompressTitleEntries(in controlHolder.Value)[(int)TitleLanguage.AmericanEnglish].NameString.ToString()
: controlHolder.Value.Title[(int)TitleLanguage.AmericanEnglish].NameString.ToString();
if ("Switch Verification" == verifyName)
return false;
}
else
@ -1391,10 +1393,23 @@ namespace Ryujinx.Ava.Systems.AppLibrary
{
_ = Enum.TryParse(DesiredLanguage.ToString(), out TitleLanguage desiredTitleLanguage);
if (controlData.Title.Length > (int)desiredTitleLanguage)
int langIdx = (int)desiredTitleLanguage;
var decompressedTitles = NacpHelper.IsCompressed(in controlData)
? NacpHelper.DecompressTitleEntries(in controlData) : null;
int titleCount = decompressedTitles?.Length ?? 16;
if (langIdx < titleCount)
{
data.Name = controlData.Title[(int)desiredTitleLanguage].NameString.ToString();
data.Developer = controlData.Title[(int)desiredTitleLanguage].PublisherString.ToString();
if (decompressedTitles != null)
{
data.Name = decompressedTitles[langIdx].NameString.ToString();
data.Developer = decompressedTitles[langIdx].PublisherString.ToString();
}
else
{
data.Name = controlData.Title[langIdx].NameString.ToString();
data.Developer = controlData.Title[langIdx].PublisherString.ToString();
}
}
else
{
@ -1404,11 +1419,17 @@ namespace Ryujinx.Ava.Systems.AppLibrary
if (string.IsNullOrWhiteSpace(data.Name))
{
foreach (ref readonly ApplicationControlProperty.ApplicationTitle controlTitle in controlData.Title)
for (int i = 0; i < titleCount; i++)
{
if (!controlTitle.NameString.IsEmpty())
bool empty = decompressedTitles != null
? decompressedTitles[i].NameString.IsEmpty()
: controlData.Title[i].NameString.IsEmpty();
if (!empty)
{
data.Name = controlTitle.NameString.ToString();
data.Name = decompressedTitles != null
? decompressedTitles[i].NameString.ToString()
: controlData.Title[i].NameString.ToString();
break;
}
@ -1417,11 +1438,17 @@ namespace Ryujinx.Ava.Systems.AppLibrary
if (string.IsNullOrWhiteSpace(data.Developer))
{
foreach (ref readonly ApplicationControlProperty.ApplicationTitle controlTitle in controlData.Title)
for (int i = 0; i < titleCount; i++)
{
if (!controlTitle.PublisherString.IsEmpty())
bool empty = decompressedTitles != null
? decompressedTitles[i].PublisherString.IsEmpty()
: controlData.Title[i].PublisherString.IsEmpty();
if (!empty)
{
data.Developer = controlTitle.PublisherString.ToString();
data.Developer = decompressedTitles != null
? decompressedTitles[i].PublisherString.ToString()
: controlData.Title[i].PublisherString.ToString();
break;
}

2
src/Ryujinx/Systems/Configuration/System/Language.cs
View file

@ -24,6 +24,8 @@ namespace Ryujinx.Ava.Systems.Configuration.System
SimplifiedChinese,
TraditionalChinese,
BrazilianPortuguese,
Polish,
Thai,
}
public static class LanguageEnumHelper

13
src/Ryujinx/UI/Views/Main/MainMenuBarView.axaml.cs
View file

@ -168,7 +168,18 @@ namespace Ryujinx.Ava.UI.Views.Main
if (!ViewModel.IsGameRunning)
return;
string name = ViewModel.AppHost.Device.Processes.ActiveApplication.ApplicationControlProperties.Title[(int)ViewModel.AppHost.Device.System.State.DesiredTitleLanguage].NameString.ToString();
int langIdx = (int)ViewModel.AppHost.Device.System.State.DesiredTitleLanguage;
ref readonly ApplicationControlProperty nacp = ref ViewModel.AppHost.Device.Processes.ActiveApplication.ApplicationControlProperties;
string name;
if (Ryujinx.HLE.Utilities.NacpHelper.IsCompressed(in nacp))
{
var decompressed = Ryujinx.HLE.Utilities.NacpHelper.DecompressTitleEntries(in nacp);
name = langIdx < decompressed.Length ? decompressed[langIdx].NameString.ToString() : string.Empty;
}
else
{
name = langIdx < 16 ? nacp.Title[langIdx].NameString.ToString() : string.Empty;
}
await StyleableAppWindow.ShowAsync(
new CheatWindow(