Ryujinx/Ryujinx.Core/OsHle/IpcServices/Am/IApplicationFunctions.cs

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using Ryujinx.Core.OsHle.Ipc;
using System.Collections.Generic;
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using System.IO;
using static Ryujinx.Core.OsHle.IpcServices.ObjHelper;
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namespace Ryujinx.Core.OsHle.IpcServices.Am
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{
class IApplicationFunctions : IIpcService
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{
private Dictionary<int, ServiceProcessRequest> m_Commands;
public IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
public IApplicationFunctions()
{
m_Commands = new Dictionary<int, ServiceProcessRequest>()
{
{ 1, PopLaunchParameter },
{ 20, EnsureSaveData },
{ 21, GetDesiredLanguage },
{ 40, NotifyRunning }
};
}
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private const uint LaunchParamsMagic = 0xc79497ca;
public long PopLaunchParameter(ServiceCtx Context)
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{
//Only the first 0x18 bytes of the Data seems to be actually used.
MakeObject(Context, new IStorage(MakeLaunchParams()));
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return 0;
}
public long EnsureSaveData(ServiceCtx Context)
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{
long UIdLow = Context.RequestData.ReadInt64();
long UIdHigh = Context.RequestData.ReadInt64();
Context.ResponseData.Write(0L);
return 0;
}
public long GetDesiredLanguage(ServiceCtx Context)
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{
//This is an enumerator where each number is a differnet language.
//0 is Japanese and 1 is English, need to figure out the other codes.
Context.ResponseData.Write(1L);
return 0;
}
public long NotifyRunning(ServiceCtx Context)
{
Context.ResponseData.Write(1);
return 0;
}
private byte[] MakeLaunchParams()
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{
//Size needs to be at least 0x88 bytes otherwise application errors.
using (MemoryStream MS = new MemoryStream())
{
BinaryWriter Writer = new BinaryWriter(MS);
MS.SetLength(0x88);
Writer.Write(LaunchParamsMagic);
Writer.Write(1); //IsAccountSelected? Only lower 8 bits actually used.
Writer.Write(1L); //User Id Low (note: User Id needs to be != 0)
Writer.Write(0L); //User Id High
return MS.ToArray();
}
}
}
}