ryujinx-mirror/Ryujinx/Motion/Client.cs

459 lines
14 KiB
C#

using Force.Crc32;
using Ryujinx.Common;
using Ryujinx.Common.Configuration.Hid;
using Ryujinx.Common.Logging;
using Ryujinx.Configuration;
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Numerics;
using System.Threading.Tasks;
namespace Ryujinx.Motion
{
public class Client : IDisposable
{
public const uint Magic = 0x43555344; // DSUC
public const ushort Version = 1001;
private bool _active;
private readonly Dictionary<int, IPEndPoint> _hosts;
private readonly Dictionary<int, Dictionary<int, MotionInput>> _motionData;
private readonly Dictionary<int, UdpClient> _clients;
private readonly bool[] _clientErrorStatus = new bool[Enum.GetValues(typeof(PlayerIndex)).Length];
private readonly long[] _clientRetryTimer = new long[Enum.GetValues(typeof(PlayerIndex)).Length];
public Client()
{
_hosts = new Dictionary<int, IPEndPoint>();
_motionData = new Dictionary<int, Dictionary<int, MotionInput>>();
_clients = new Dictionary<int, UdpClient>();
CloseClients();
}
public void CloseClients()
{
_active = false;
lock (_clients)
{
foreach (var client in _clients)
{
try
{
client.Value?.Dispose();
}
catch (SocketException socketException)
{
Logger.Warning?.PrintMsg(LogClass.Hid, $"Unable to dispose motion client. Error: {socketException.ErrorCode}");
}
}
_hosts.Clear();
_clients.Clear();
_motionData.Clear();
}
}
public void RegisterClient(int player, string host, int port)
{
if (_clients.ContainsKey(player) || !CanConnect(player))
{
return;
}
lock (_clients)
{
if (_clients.ContainsKey(player) || !CanConnect(player))
{
return;
}
UdpClient client = null;
try
{
IPEndPoint endPoint = new IPEndPoint(IPAddress.Parse(host), port);
client = new UdpClient(host, port);
_clients.Add(player, client);
_hosts.Add(player, endPoint);
_active = true;
Task.Run(() =>
{
ReceiveLoop(player);
});
}
catch (FormatException formatException)
{
if (!_clientErrorStatus[player])
{
Logger.Warning?.PrintMsg(LogClass.Hid, $"Unable to connect to motion source at {host}:{port}. Error: {formatException.Message}");
_clientErrorStatus[player] = true;
}
}
catch (SocketException socketException)
{
if (!_clientErrorStatus[player])
{
Logger.Warning?.PrintMsg(LogClass.Hid, $"Unable to connect to motion source at {host}:{port}. Error: {socketException.ErrorCode}");
_clientErrorStatus[player] = true;
}
RemoveClient(player);
client?.Dispose();
SetRetryTimer(player);
}
catch (Exception exception)
{
Logger.Warning?.PrintMsg(LogClass.Hid, $"Unable to register motion client. Error: {exception.Message}");
_clientErrorStatus[player] = true;
RemoveClient(player);
client?.Dispose();
SetRetryTimer(player);
}
}
}
public bool TryGetData(int player, int slot, out MotionInput input)
{
lock (_motionData)
{
if (_motionData.ContainsKey(player))
{
if (_motionData[player].TryGetValue(slot, out input))
{
return true;
}
}
}
input = null;
return false;
}
private void RemoveClient(int clientId)
{
_clients?.Remove(clientId);
_hosts?.Remove(clientId);
}
private void Send(byte[] data, int clientId)
{
if (_clients.TryGetValue(clientId, out UdpClient _client))
{
if (_client != null && _client.Client != null && _client.Client.Connected)
{
try
{
_client?.Send(data, data.Length);
}
catch (SocketException socketException)
{
if (!_clientErrorStatus[clientId])
{
Logger.Warning?.PrintMsg(LogClass.Hid, $"Unable to send data request to motion source at {_client.Client.RemoteEndPoint}. Error: {socketException.ErrorCode}");
}
_clientErrorStatus[clientId] = true;
RemoveClient(clientId);
_client?.Dispose();
SetRetryTimer(clientId);
}
catch (ObjectDisposedException)
{
_clientErrorStatus[clientId] = true;
RemoveClient(clientId);
_client?.Dispose();
SetRetryTimer(clientId);
}
}
}
}
private byte[] Receive(int clientId, int timeout = 0)
{
if (_hosts.TryGetValue(clientId, out IPEndPoint endPoint) && _clients.TryGetValue(clientId, out UdpClient _client))
{
if (_client != null && _client.Client != null && _client.Client.Connected)
{
_client.Client.ReceiveTimeout = timeout;
var result = _client?.Receive(ref endPoint);
if (result.Length > 0)
{
_clientErrorStatus[clientId] = false;
}
return result;
}
}
throw new Exception($"Client {clientId} is not registered.");
}
private void SetRetryTimer(int clientId)
{
var elapsedMs = PerformanceCounter.ElapsedMilliseconds;
_clientRetryTimer[clientId] = elapsedMs;
}
private void ResetRetryTimer(int clientId)
{
_clientRetryTimer[clientId] = 0;
}
private bool CanConnect(int clientId)
{
return _clientRetryTimer[clientId] == 0 || PerformanceCounter.ElapsedMilliseconds - 5000 > _clientRetryTimer[clientId];
}
public void ReceiveLoop(int clientId)
{
if (_hosts.TryGetValue(clientId, out IPEndPoint endPoint) && _clients.TryGetValue(clientId, out UdpClient _client))
{
if (_client != null && _client.Client != null && _client.Client.Connected)
{
try
{
while (_active)
{
byte[] data = Receive(clientId);
if (data.Length == 0)
{
continue;
}
Task.Run(() => HandleResponse(data, clientId));
}
}
catch (SocketException socketException)
{
if (!_clientErrorStatus[clientId])
{
Logger.Warning?.PrintMsg(LogClass.Hid, $"Unable to receive data from motion source at {endPoint}. Error: {socketException.ErrorCode}");
}
_clientErrorStatus[clientId] = true;
RemoveClient(clientId);
_client?.Dispose();
SetRetryTimer(clientId);
}
catch (ObjectDisposedException)
{
_clientErrorStatus[clientId] = true;
RemoveClient(clientId);
_client?.Dispose();
SetRetryTimer(clientId);
}
}
}
}
public void HandleResponse(byte[] data, int clientId)
{
ResetRetryTimer(clientId);
MessageType type = (MessageType)BitConverter.ToUInt32(data.AsSpan().Slice(16, 4));
data = data.AsSpan()[16..].ToArray();
using MemoryStream stream = new MemoryStream(data);
using BinaryReader reader = new BinaryReader(stream);
switch (type)
{
case MessageType.Protocol:
break;
case MessageType.Info:
ControllerInfoResponse contollerInfo = reader.ReadStruct<ControllerInfoResponse>();
break;
case MessageType.Data:
ControllerDataResponse inputData = reader.ReadStruct<ControllerDataResponse>();
Vector3 accelerometer = new Vector3()
{
X = -inputData.AccelerometerX,
Y = inputData.AccelerometerZ,
Z = -inputData.AccelerometerY
};
Vector3 gyroscrope = new Vector3()
{
X = inputData.GyroscopePitch,
Y = inputData.GyroscopeRoll,
Z = -inputData.GyroscopeYaw
};
ulong timestamp = inputData.MotionTimestamp;
InputConfig config = ConfigurationState.Instance.Hid.InputConfig.Value.Find(x => x.PlayerIndex == (PlayerIndex)clientId);
lock (_motionData)
{
int slot = inputData.Shared.Slot;
if (_motionData.ContainsKey(clientId))
{
if (_motionData[clientId].ContainsKey(slot))
{
MotionInput previousData = _motionData[clientId][slot];
previousData.Update(accelerometer, gyroscrope, timestamp, config.Sensitivity, (float)config.GyroDeadzone);
}
else
{
MotionInput input = new MotionInput();
input.Update(accelerometer, gyroscrope, timestamp, config.Sensitivity, (float)config.GyroDeadzone);
_motionData[clientId].Add(slot, input);
}
}
else
{
MotionInput input = new MotionInput();
input.Update(accelerometer, gyroscrope, timestamp, config.Sensitivity, (float)config.GyroDeadzone);
_motionData.Add(clientId, new Dictionary<int, MotionInput>() { { slot, input } });
}
}
break;
}
}
public void RequestInfo(int clientId, int slot)
{
if (!_active)
{
return;
}
Header header = GenerateHeader(clientId);
using (MemoryStream stream = new MemoryStream())
using (BinaryWriter writer = new BinaryWriter(stream))
{
writer.WriteStruct(header);
ControllerInfoRequest request = new ControllerInfoRequest()
{
Type = MessageType.Info,
PortsCount = 4
};
request.PortIndices[0] = (byte)slot;
writer.WriteStruct(request);
header.Length = (ushort)(stream.Length - 16);
writer.Seek(6, SeekOrigin.Begin);
writer.Write(header.Length);
header.Crc32 = Crc32Algorithm.Compute(stream.ToArray());
writer.Seek(8, SeekOrigin.Begin);
writer.Write(header.Crc32);
byte[] data = stream.ToArray();
Send(data, clientId);
}
}
public unsafe void RequestData(int clientId, int slot)
{
if (!_active)
{
return;
}
Header header = GenerateHeader(clientId);
using (MemoryStream stream = new MemoryStream())
using (BinaryWriter writer = new BinaryWriter(stream))
{
writer.WriteStruct(header);
ControllerDataRequest request = new ControllerDataRequest()
{
Type = MessageType.Data,
Slot = (byte)slot,
SubscriberType = SubscriberType.Slot
};
writer.WriteStruct(request);
header.Length = (ushort)(stream.Length - 16);
writer.Seek(6, SeekOrigin.Begin);
writer.Write(header.Length);
header.Crc32 = Crc32Algorithm.Compute(stream.ToArray());
writer.Seek(8, SeekOrigin.Begin);
writer.Write(header.Crc32);
byte[] data = stream.ToArray();
Send(data, clientId);
}
}
private Header GenerateHeader(int clientId)
{
Header header = new Header()
{
ID = (uint)clientId,
MagicString = Magic,
Version = Version,
Length = 0,
Crc32 = 0
};
return header;
}
public void Dispose()
{
_active = false;
CloseClients();
}
}
}