HLE: extract custom NACP data functionality into a static helper for generic reuse elsewhere, and clarify magic numbers.

This commit is contained in:
Evan Husted 2024-12-07 04:30:04 -06:00
parent eda4f4349b
commit 290a6ad5de
2 changed files with 48 additions and 20 deletions

View File

@ -0,0 +1,37 @@
using LibHac.Common;
using LibHac.Ns;
using System;
using System.Text;
namespace Ryujinx.HLE
{
public static class StructHelpers
{
public static BlitStruct<ApplicationControlProperty> CreateCustomNacpData(string name, string version)
{
// https://switchbrew.org/wiki/NACP
const int OffsetOfDisplayVersion = 0x3060;
// https://switchbrew.org/wiki/NACP#ApplicationTitle
const int TotalApplicationTitles = 0x10;
const int SizeOfApplicationTitle = 0x300;
const int OffsetOfApplicationPublisherStrings = 0x200;
var nacpData = new BlitStruct<ApplicationControlProperty>(1);
// name and publisher buffer
// repeat once for each locale (the ApplicationControlProperty has 16 locales)
for (int i = 0; i < TotalApplicationTitles; i++)
{
Encoding.ASCII.GetBytes(name).AsSpan().CopyTo(nacpData.ByteSpan[(i * SizeOfApplicationTitle)..]);
"Ryujinx"u8.CopyTo(nacpData.ByteSpan[(i * SizeOfApplicationTitle + OffsetOfApplicationPublisherStrings)..]);
}
// version buffer
Encoding.ASCII.GetBytes(version).AsSpan().CopyTo(nacpData.ByteSpan[OffsetOfDisplayVersion..]);
return nacpData;
}
}
}

View File

@ -13,6 +13,7 @@ using Ryujinx.Ava.UI.ViewModels;
using Ryujinx.Ava.UI.Windows;
using Ryujinx.Common;
using Ryujinx.Common.Utilities;
using Ryujinx.HLE;
using Ryujinx.UI.App.Common;
using Ryujinx.UI.Common;
using Ryujinx.UI.Common.Configuration;
@ -126,32 +127,22 @@ namespace Ryujinx.Ava.UI.Views.Main
public async void OpenMiiApplet(object sender, RoutedEventArgs e)
{
const string name = "miiEdit";
const ulong programId = 0x0100000000001009;
string contentPath = ViewModel.ContentManager.GetInstalledContentPath(programId, StorageId.BuiltInSystem, NcaContentType.Program);
const string AppletName = "miiEdit";
const ulong AppletProgramId = 0x0100000000001009;
const string AppletVersion = "1.0.0";
string contentPath = ViewModel.ContentManager.GetInstalledContentPath(AppletProgramId, StorageId.BuiltInSystem, NcaContentType.Program);
if (!string.IsNullOrEmpty(contentPath))
{
ApplicationData applicationData = new()
{
Name = name,
Id = programId,
Path = contentPath,
Name = AppletName,
Id = AppletProgramId,
Path = contentPath
};
string version = "1.0.0";
var nacpData = new BlitStruct<ApplicationControlProperty>(1);
//version buffer
Encoding.ASCII.GetBytes(version).AsSpan().CopyTo(nacpData.ByteSpan.Slice(0x3060));
//name and distributor buffer
//repeat once for each locale (the ApplicationControlProperty has 16 locales)
for (int i = 0; i < 0x10; i++)
{
Encoding.ASCII.GetBytes(name).AsSpan().CopyTo(nacpData.ByteSpan.Slice(i * 0x300));
"Ryujinx"u8.ToArray().AsSpan().CopyTo(nacpData.ByteSpan.Slice(i * 0x300 + 0x200));
}
var nacpData = StructHelpers.CreateCustomNacpData(AppletName, AppletVersion);
await ViewModel.LoadApplication(applicationData, ViewModel.IsFullScreen || ViewModel.StartGamesInFullscreen, nacpData);
}