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using Ryujinx.Common.Logging;
using Ryujinx.Common.Memory;
using Ryujinx.HLE.HOS.Services.Am.AppletAE;
using Ryujinx.HLE.HOS.Services.Hid;
using Ryujinx.HLE.HOS.Services.Hid.Types;
using System;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using static Ryujinx.HLE.HOS.Services.Hid.HidServer.HidUtils;
namespace Ryujinx.HLE.HOS.Applets
{
internal class ControllerApplet : IApplet
{
private readonly Horizon _system;
private AppletSession _normalSession;
public event EventHandler AppletStateChanged;
public ControllerApplet(Horizon system)
{
_system = system;
}
public ResultCode Start(AppletSession normalSession, AppletSession interactiveSession)
{
_normalSession = normalSession;
byte[] launchParams = _normalSession.Pop();
byte[] controllerSupportArgPrivate = _normalSession.Pop();
ControllerSupportArgPrivate privateArg = IApplet.ReadStruct<ControllerSupportArgPrivate>(controllerSupportArgPrivate);
Logger.Stub?.PrintStub(LogClass.ServiceHid, $"ControllerApplet ArgPriv {privateArg.PrivateSize} {privateArg.ArgSize} {privateArg.Mode} " +
$"HoldType:{(NpadJoyHoldType)privateArg.NpadJoyHoldType} StyleSets:{(ControllerType)privateArg.NpadStyleSet}");
if (privateArg.Mode != ControllerSupportMode.ShowControllerSupport)
{
_normalSession.Push(BuildResponse()); // Dummy response for other modes
AppletStateChanged?.Invoke(this, null);
return ResultCode.Success;
}
byte[] controllerSupportArg = _normalSession.Pop();
ControllerSupportArgHeader argHeader;
if (privateArg.ArgSize == Marshal.SizeOf<ControllerSupportArgV7>())
{
ControllerSupportArgV7 arg = IApplet.ReadStruct<ControllerSupportArgV7>(controllerSupportArg);
argHeader = arg.Header;
Logger.Stub?.PrintStub(LogClass.ServiceHid, $"ControllerSupportArg Version 7 EnableExplainText={arg.EnableExplainText != 0}");
// Read enable text here?
}
else if (privateArg.ArgSize == Marshal.SizeOf<ControllerSupportArgVPre7>())
{
ControllerSupportArgVPre7 arg = IApplet.ReadStruct<ControllerSupportArgVPre7>(controllerSupportArg);
argHeader = arg.Header;
Logger.Stub?.PrintStub(LogClass.ServiceHid, $"ControllerSupportArg Version Pre-7 EnableExplainText={arg.EnableExplainText != 0}");
// Read enable text here?
}
else
{
Logger.Stub?.PrintStub(LogClass.ServiceHid, "ControllerSupportArg Version Unknown");
argHeader = IApplet.ReadStruct<ControllerSupportArgHeader>(controllerSupportArg); // Read just the header
}
int playerMin = argHeader.PlayerCountMin;
int playerMax = argHeader.PlayerCountMax;
bool singleMode = argHeader.EnableSingleMode != 0;
Logger.Stub?.PrintStub(LogClass.ServiceHid, $"ControllerApplet Arg {playerMin} {playerMax} {argHeader.EnableTakeOverConnection} {argHeader.EnableSingleMode}");
if (singleMode)
{
// Applications can set an arbitrary player range even with SingleMode, so clamp it
playerMin = playerMax = 1;
}
int configuredCount;
PlayerIndex primaryIndex;
while (!_system.Device.Hid.Npads.Validate(playerMin, playerMax, (ControllerType)privateArg.NpadStyleSet, out configuredCount, out primaryIndex))
{
ControllerAppletUIArgs uiArgs = new()
{
PlayerCountMin = playerMin,
PlayerCountMax = playerMax,
SupportedStyles = (ControllerType)privateArg.NpadStyleSet,
SupportedPlayers = _system.Device.Hid.Npads.GetSupportedPlayers(),
IsDocked = _system.State.DockedMode,
};
if (!_system.Device.UIHandler.DisplayMessageDialog(uiArgs))
{
break;
}
}
ControllerSupportResultInfo result = new()
{
PlayerCount = (sbyte)configuredCount,
SelectedId = (uint)GetNpadIdTypeFromIndex(primaryIndex),
};
Logger.Stub?.PrintStub(LogClass.ServiceHid, $"ControllerApplet ReturnResult {result.PlayerCount} {result.SelectedId}");
_normalSession.Push(BuildResponse(result));
AppletStateChanged?.Invoke(this, null);
_system.ReturnFocus();
return ResultCode.Success;
}
public ResultCode GetResult()
{
return ResultCode.Success;
}
private static byte[] BuildResponse(ControllerSupportResultInfo result)
{
using MemoryStream stream = MemoryStreamManager.Shared.GetStream();
using BinaryWriter writer = new(stream);
writer.Write(MemoryMarshal.AsBytes(MemoryMarshal.CreateReadOnlySpan(ref result, Unsafe.SizeOf<ControllerSupportResultInfo>())));
return stream.ToArray();
}
private static byte[] BuildResponse()
{
using MemoryStream stream = MemoryStreamManager.Shared.GetStream();
using BinaryWriter writer = new(stream);
writer.Write((ulong)ResultCode.Success);
return stream.ToArray();
}
}
}
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