ryujinx/Ryujinx.HLE/HOS/Services/Hid/HidDevices/NpadDevices.cs

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C#
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using System;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.HOS.Kernel.Threading;
namespace Ryujinx.HLE.HOS.Services.Hid
{
public class NpadDevices : BaseDevice
{
internal NpadJoyHoldType JoyHold = NpadJoyHoldType.Vertical;
internal bool SixAxisActive = false; // TODO: link to hidserver when implemented
private enum FilterState
{
Unconfigured = 0,
Configured = 1,
Accepted = 2
}
private struct NpadConfig
{
public ControllerType ConfiguredType;
public FilterState State;
}
private const int _maxControllers = 9; // Players1-8 and Handheld
private NpadConfig[] _configuredNpads;
private ControllerType _supportedStyleSets = ControllerType.ProController |
ControllerType.JoyconPair |
ControllerType.JoyconLeft |
ControllerType.JoyconRight |
ControllerType.Handheld;
public ControllerType SupportedStyleSets
{
get => _supportedStyleSets;
set
{
if (_supportedStyleSets != value) // Deal with spamming
{
_supportedStyleSets = value;
MatchControllers();
}
}
}
public PlayerIndex PrimaryController { get; set; } = PlayerIndex.Unknown;
private KEvent[] _styleSetUpdateEvents;
private static readonly Array3<BatteryCharge> _fullBattery;
public NpadDevices(Switch device, bool active = true) : base(device, active)
{
_configuredNpads = new NpadConfig[_maxControllers];
_styleSetUpdateEvents = new KEvent[_maxControllers];
for (int i = 0; i < _styleSetUpdateEvents.Length; ++i)
{
_styleSetUpdateEvents[i] = new KEvent(_device.System.KernelContext);
}
_fullBattery[0] = _fullBattery[1] = _fullBattery[2] = BatteryCharge.Percent100;
}
public void AddControllers(params ControllerConfig[] configs)
{
for (int i = 0; i < configs.Length; ++i)
{
PlayerIndex player = configs[i].Player;
ControllerType controllerType = configs[i].Type;
if (player > PlayerIndex.Handheld)
{
throw new ArgumentOutOfRangeException("Player must be Player1-8 or Handheld");
}
if (controllerType == ControllerType.Handheld)
{
player = PlayerIndex.Handheld;
}
_configuredNpads[(int)player] = new NpadConfig { ConfiguredType = controllerType, State = FilterState.Configured };
}
MatchControllers();
}
private void MatchControllers()
{
PrimaryController = PlayerIndex.Unknown;
for (int i = 0; i < _configuredNpads.Length; ++i)
{
ref NpadConfig config = ref _configuredNpads[i];
if (config.State == FilterState.Unconfigured)
{
continue; // Ignore unconfigured
}
if ((config.ConfiguredType & _supportedStyleSets) == 0)
{
Logger.PrintWarning(LogClass.Hid, $"ControllerType {config.ConfiguredType} (connected to {(PlayerIndex)i}) not supported by game. Removing...");
config.State = FilterState.Configured;
_device.Hid.SharedMemory.Npads[i] = new ShMemNpad(); // Zero it
continue;
}
InitController((PlayerIndex)i, config.ConfiguredType);
}
// Couldn't find any matching configuration. Reassign to something that works.
if (PrimaryController == PlayerIndex.Unknown)
{
ControllerType[] npadsTypeList = (ControllerType[])Enum.GetValues(typeof(ControllerType));
// Skip None Type
for (int i = 1; i < npadsTypeList.Length; ++i)
{
ControllerType controllerType = npadsTypeList[i];
if ((controllerType & _supportedStyleSets) != 0)
{
Logger.PrintWarning(LogClass.Hid, $"No matching controllers found. Reassigning input as ControllerType {controllerType}...");
InitController(controllerType == ControllerType.Handheld ? PlayerIndex.Handheld : PlayerIndex.Player1, controllerType);
return;
}
}
Logger.PrintError(LogClass.Hid, "Couldn't find any appropriate controller.");
}
}
internal ref KEvent GetStyleSetUpdateEvent(PlayerIndex player)
{
return ref _styleSetUpdateEvents[(int)player];
}
private void InitController(PlayerIndex player, ControllerType type)
{
if (type == ControllerType.Handheld)
{
player = PlayerIndex.Handheld;
}
ref ShMemNpad controller = ref _device.Hid.SharedMemory.Npads[(int)player];
controller = new ShMemNpad(); // Zero it
// TODO: Allow customizing colors at config
NpadStateHeader defaultHeader = new NpadStateHeader
{
IsHalf = false,
SingleColorBody = NpadColor.BodyGray,
SingleColorButtons = NpadColor.ButtonGray,
LeftColorBody = NpadColor.BodyNeonBlue,
LeftColorButtons = NpadColor.ButtonGray,
RightColorBody = NpadColor.BodyNeonRed,
RightColorButtons = NpadColor.ButtonGray
};
controller.SystemProperties = NpadSystemProperties.PowerInfo0Connected |
NpadSystemProperties.PowerInfo1Connected |
NpadSystemProperties.PowerInfo2Connected;
controller.BatteryState = _fullBattery;
switch (type)
{
case ControllerType.ProController:
defaultHeader.Type = ControllerType.ProController;
controller.DeviceType = DeviceType.FullKey;
controller.SystemProperties |= NpadSystemProperties.AbxyButtonOriented |
NpadSystemProperties.PlusButtonCapability |
NpadSystemProperties.MinusButtonCapability;
break;
case ControllerType.Handheld:
defaultHeader.Type = ControllerType.Handheld;
controller.DeviceType = DeviceType.HandheldLeft |
DeviceType.HandheldRight;
controller.SystemProperties |= NpadSystemProperties.AbxyButtonOriented |
NpadSystemProperties.PlusButtonCapability |
NpadSystemProperties.MinusButtonCapability;
break;
case ControllerType.JoyconPair:
defaultHeader.Type = ControllerType.JoyconPair;
controller.DeviceType = DeviceType.JoyLeft |
DeviceType.JoyRight;
controller.SystemProperties |= NpadSystemProperties.AbxyButtonOriented |
NpadSystemProperties.PlusButtonCapability |
NpadSystemProperties.MinusButtonCapability;
break;
case ControllerType.JoyconLeft:
defaultHeader.Type = ControllerType.JoyconLeft;
defaultHeader.IsHalf = true;
controller.DeviceType = DeviceType.JoyLeft;
controller.SystemProperties |= NpadSystemProperties.SlSrButtonOriented |
NpadSystemProperties.MinusButtonCapability;
break;
case ControllerType.JoyconRight:
defaultHeader.Type = ControllerType.JoyconRight;
defaultHeader.IsHalf = true;
controller.DeviceType = DeviceType.JoyRight;
controller.SystemProperties |= NpadSystemProperties.SlSrButtonOriented |
NpadSystemProperties.PlusButtonCapability;
break;
case ControllerType.Pokeball:
defaultHeader.Type = ControllerType.Pokeball;
controller.DeviceType = DeviceType.Palma;
break;
}
controller.Header = defaultHeader;
if (PrimaryController == PlayerIndex.Unknown)
{
PrimaryController = player;
}
_configuredNpads[(int)player].State = FilterState.Accepted;
_styleSetUpdateEvents[(int)player].ReadableEvent.Signal();
Logger.PrintInfo(LogClass.Hid, $"Connected ControllerType {type} to PlayerIndex {player}");
}
private static NpadLayoutsIndex ControllerTypeToLayout(ControllerType controllerType)
=> controllerType switch
{
ControllerType.ProController => NpadLayoutsIndex.ProController,
ControllerType.Handheld => NpadLayoutsIndex.Handheld,
ControllerType.JoyconPair => NpadLayoutsIndex.JoyDual,
ControllerType.JoyconLeft => NpadLayoutsIndex.JoyLeft,
ControllerType.JoyconRight => NpadLayoutsIndex.JoyRight,
ControllerType.Pokeball => NpadLayoutsIndex.Pokeball,
_ => NpadLayoutsIndex.SystemExternal
};
public void SetGamepadsInput(params GamepadInput[] states)
{
UpdateAllEntries();
for (int i = 0; i < states.Length; ++i)
{
SetGamepadState(states[i].PlayerId, states[i].Buttons, states[i].LStick, states[i].RStick);
}
}
private void SetGamepadState(PlayerIndex player, ControllerKeys buttons,
JoystickPosition leftJoystick, JoystickPosition rightJoystick)
{
if (player == PlayerIndex.Auto)
{
player = PrimaryController;
}
if (player == PlayerIndex.Unknown)
{
return;
}
if (_configuredNpads[(int)player].State != FilterState.Accepted)
{
return;
}
ref ShMemNpad currentNpad = ref _device.Hid.SharedMemory.Npads[(int)player];
ref NpadLayout currentLayout = ref currentNpad.Layouts[(int)ControllerTypeToLayout(currentNpad.Header.Type)];
ref NpadState currentEntry = ref currentLayout.Entries[(int)currentLayout.Header.LatestEntry];
currentEntry.Buttons = buttons;
currentEntry.LStickX = leftJoystick.Dx;
currentEntry.LStickY = leftJoystick.Dy;
currentEntry.RStickX = rightJoystick.Dx;
currentEntry.RStickY = rightJoystick.Dy;
// Mirror data to Default layout just in case
ref NpadLayout mainLayout = ref currentNpad.Layouts[(int)NpadLayoutsIndex.SystemExternal];
mainLayout.Entries[(int)mainLayout.Header.LatestEntry] = currentEntry;
}
private void UpdateAllEntries()
{
ref Array10<ShMemNpad> controllers = ref _device.Hid.SharedMemory.Npads;
for (int i = 0; i < controllers.Length; ++i)
{
ref Array7<NpadLayout> layouts = ref controllers[i].Layouts;
for (int l = 0; l < layouts.Length; ++l)
{
ref NpadLayout currentLayout = ref layouts[l];
int currentIndex = UpdateEntriesHeader(ref currentLayout.Header, out int previousIndex);
ref NpadState currentEntry = ref currentLayout.Entries[currentIndex];
NpadState previousEntry = currentLayout.Entries[previousIndex];
currentEntry.SampleTimestamp = previousEntry.SampleTimestamp + 1;
currentEntry.SampleTimestamp2 = previousEntry.SampleTimestamp2 + 1;
if (controllers[i].Header.Type == ControllerType.None)
{
continue;
}
currentEntry.ConnectionState = NpadConnectionState.ControllerStateConnected;
switch (controllers[i].Header.Type)
{
case ControllerType.Handheld:
case ControllerType.ProController:
currentEntry.ConnectionState |= NpadConnectionState.ControllerStateWired;
break;
case ControllerType.JoyconPair:
currentEntry.ConnectionState |= NpadConnectionState.JoyLeftConnected |
NpadConnectionState.JoyRightConnected;
break;
case ControllerType.JoyconLeft:
currentEntry.ConnectionState |= NpadConnectionState.JoyLeftConnected;
break;
case ControllerType.JoyconRight:
currentEntry.ConnectionState |= NpadConnectionState.JoyRightConnected;
break;
}
}
}
}
}
}