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[+] WIP exclusive touch (#102)
* [+] Add branch to build script * 独占触摸基础 * 多点修复 * [RF] Extract TouchStatusProvider * 支持 xy 翻转 * mml touch * pdx * 线程安全 * 防滞留，防吃键 * 移除 Linux 支持 * 移除 Notifier * 移除 Linux * [F] PracticeMode 在 1.50 以下版本的兼容性 * default hide for not ready
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‎AquaMai.Core/Helpers/TouchStatusProvider.cs‎

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using System;
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using System.Collections.Generic;
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using HarmonyLib;
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using IO;
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using Manager;
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using MelonLoader;
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namespace AquaMai.Core.Helpers;
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public class TouchStatusProvider
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{
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public delegate ulong TouchStatusProviderDelegate(int playerNo);
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private static readonly List<TouchStatusProviderDelegate>[] _touchStatusProviders = [new List<TouchStatusProviderDelegate>(), new List<TouchStatusProviderDelegate>()];
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public static void RegisterTouchStatusProvider(int playerNo, TouchStatusProviderDelegate touchStatusProvider)
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{
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if (playerNo is < 0 or > 1) throw new ArgumentException("Invalid player");
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EnsurePatched();
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_touchStatusProviders[playerNo].Add(touchStatusProvider);
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}
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private static bool isPatched = false;
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private static bool EnsurePatched()
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{
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if (isPatched) return false;
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isPatched = true;
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Startup.ApplyPatch(typeof(TouchStatusProvider));
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return true;
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}
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private static bool ShouldEnableForPlayer(int playerNo) => playerNo switch
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{
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0 => _touchStatusProviders[0].Count > 0,
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1 => _touchStatusProviders[1].Count > 0,
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_ => false,
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};
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[HarmonyPrefix]
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[HarmonyPatch(typeof(NewTouchPanel), "Start")]
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public static bool PreNewTouchPanelStart(uint ____monitorIndex, ref NewTouchPanel.StatusEnum ___Status, ref bool ____isRunning)
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{
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if (!ShouldEnableForPlayer((int)____monitorIndex)) return true;
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___Status = NewTouchPanel.StatusEnum.Drive;
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____isRunning = true;
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MelonLogger.Msg($"[TouchStatusProvider] NewTouchPanel Start {____monitorIndex + 1}P");
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return false;
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}
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[HarmonyPrefix]
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[HarmonyPatch(typeof(NewTouchPanel), "Execute")]
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public static bool PreNewTouchPanelExecute(uint ____monitorIndex, ref uint ____dataCounter)
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{
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if (!ShouldEnableForPlayer((int)____monitorIndex)) return true;
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ulong currentTouchData = 0;
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foreach (var touchStatusProvider in _touchStatusProviders[(int)____monitorIndex])
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{
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currentTouchData |= touchStatusProvider((int)____monitorIndex);
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}
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InputManager.SetNewTouchPanel(____monitorIndex, currentTouchData, ++____dataCounter);
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return false;
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}
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}

‎AquaMai.Mods/GameSystem/ExclusiveTouch/ExclusiveTouch.cs‎

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using System;
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using AquaMai.Config.Attributes;
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using LibUsbDotNet.Main;
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using LibUsbDotNet;
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using MelonLoader;
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using UnityEngine;
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using AquaMai.Core.Helpers;
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using System.Threading;
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namespace AquaMai.Mods.GameSystem.ExclusiveTouch;
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[ConfigCollapseNamespace]
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[ConfigSection(exampleHidden: true)]
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public class ExclusiveTouch
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{
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[ConfigEntry]
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public static readonly bool enable1p;
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[ConfigEntry]
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public static readonly int vid1p;
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[ConfigEntry]
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public static readonly int pid1p;
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[ConfigEntry]
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public static readonly string serialNumber1p = "";
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[ConfigEntry]
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public static readonly byte configuration1p = 1;
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[ConfigEntry]
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public static readonly int interfaceNumber1p = 0;
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[ConfigEntry]
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public static readonly int reportId1p;
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[ConfigEntry]
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public static readonly ReadEndpointID endpoint1p = ReadEndpointID.Ep01;
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[ConfigEntry]
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public static readonly int packetSize1p = 64;
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[ConfigEntry]
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public static readonly int minX1p;
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[ConfigEntry]
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public static readonly int minY1p;
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[ConfigEntry]
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public static readonly int maxX1p;
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[ConfigEntry]
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public static readonly int maxY1p;
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[ConfigEntry]
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public static readonly bool flip1p;
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[ConfigEntry("触摸体积半径", zh: "基准是 1440x1440")]
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public static readonly int radius1p;
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private static UsbDevice[] devices = new UsbDevice[2];
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private static TouchSensorMapper[] touchSensorMappers = new TouchSensorMapper[2];
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private class TouchPoint
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{
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public ulong Mask;
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public DateTime LastUpdate;
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public bool IsActive;
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}
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// [玩家][手指ID]
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private static readonly TouchPoint[][] allFingerPoints = new TouchPoint[2][];
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// 防吃键
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private static readonly ulong[] frameAccumulators = new ulong[2];
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private static readonly object[] touchLocks = [new object(), new object()];
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private const int TouchTimeoutMs = 20;
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public static void OnBeforePatch()
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{
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if (enable1p)
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{
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// 方便组 2P
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var serialNumber = string.IsNullOrWhiteSpace(serialNumber1p) ? null : serialNumber1p;
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var finder = new UsbDeviceFinder(vid1p, pid1p, serialNumber);
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var device = UsbDevice.OpenUsbDevice(finder);
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if (device == null)
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{
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MelonLogger.Msg("[ExclusiveTouch] Cannot connect 1P");
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}
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else
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{
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IUsbDevice wholeDevice = device as IUsbDevice;
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if (wholeDevice != null)
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{
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wholeDevice.SetConfiguration(configuration1p);
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wholeDevice.ClaimInterface(interfaceNumber1p);
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}
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touchSensorMappers[0] = new TouchSensorMapper(minX1p, minY1p, maxX1p, maxY1p, radius1p, flip1p);
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Application.quitting += () =>
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{
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devices[0] = null;
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if (wholeDevice != null)
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{
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wholeDevice.ReleaseInterface(interfaceNumber1p);
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}
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device.Close();
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};
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allFingerPoints[0] = new TouchPoint[256];
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for (int i = 0; i < 256; i++)
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{
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allFingerPoints[0][i] = new TouchPoint();
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}
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devices[0] = device;
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Thread readThread = new Thread(() => ReadThread(0));
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readThread.Start();
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TouchStatusProvider.RegisterTouchStatusProvider(0, GetTouchState);
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}
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}
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}
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private static void ReadThread(int playerNo)
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{
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byte[] buffer = new byte[packetSize1p];
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var reader = devices[playerNo].OpenEndpointReader(endpoint1p);
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while (devices[playerNo] != null)
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{
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int bytesRead;
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ErrorCode ec = reader.Read(buffer, 100, out bytesRead); // 100ms 超时
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if (ec != ErrorCode.None)
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{
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if (ec == ErrorCode.IoTimedOut) continue; // 超时就继续等
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MelonLogger.Msg($"[ExclusiveTouch] {playerNo + 1}P: 读取错误: {ec}");
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break;
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}
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if (bytesRead > 0)
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{
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OnTouchData(playerNo, buffer);
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}
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}
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}
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private static void OnTouchData(int playerNo, byte[] data)
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{
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byte reportId = data[0];
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if (reportId != reportId1p) return;
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#if true // PDX
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for (int i = 0; i < 10; i++)
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{
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var index = i * 6 + 1;
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if (data[index] == 0) continue;
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bool isPressed = (data[index] & 0x01) == 1;
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var fingerId = data[index + 1];
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ushort x = BitConverter.ToUInt16(data, index + 2);
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ushort y = BitConverter.ToUInt16(data, index + 4);
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HandleFinger(x, y, fingerId, isPressed, playerNo);
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}
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#else // 凌莞的便携屏
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// 解析第一根手指
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if (data.Length >= 7)
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{
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byte status1 = data[1];
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int fingerId1 = (status1 >> 4) & 0x0F; // 高4位：手指ID
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bool isPressed1 = (status1 & 0x01) == 1; // 低位：按下状态
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ushort x1 = BitConverter.ToUInt16(data, 2);
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ushort y1 = BitConverter.ToUInt16(data, 4);
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HandleFinger(x1, y1, fingerId1, isPressed1, playerNo);
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}
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// 解析第二根手指
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if (data.Length >= 14)
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{
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byte status2 = data[6];
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int fingerId2 = (status2 >> 4) & 0x0F;
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bool isPressed2 = (status2 & 0x01) == 1;
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ushort x2 = BitConverter.ToUInt16(data, 7);
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ushort y2 = BitConverter.ToUInt16(data, 9);
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// 只有坐标非零才处理第二根手指
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if (x2 != 0 || y2 != 0)
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{
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HandleFinger(x2, y2, fingerId2, isPressed2, playerNo);
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}
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}
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#endif
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}
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private static void HandleFinger(ushort x, ushort y, int fingerId, bool isPressed, int playerNo)
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{
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// 安全检查，防止越界
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if (fingerId < 0 || fingerId >= 256) return;
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lock (touchLocks[playerNo])
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{
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var point = allFingerPoints[playerNo][fingerId];
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if (isPressed)
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{
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ulong touchMask = touchSensorMappers[playerNo].ParseTouchPoint(x, y);
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if (!point.IsActive)
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{
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point.IsActive = true;
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MelonLogger.Msg($"[ExclusiveTouch] {playerNo + 1}P: 手指{fingerId} 按下 at ({x}, {y}) -> 0x{touchMask:X}");
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}
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point.Mask = touchMask;
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point.LastUpdate = DateTime.Now;
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frameAccumulators[playerNo] |= touchMask;
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}
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else
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{
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if (point.IsActive)
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{
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point.IsActive = false;
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MelonLogger.Msg($"[ExclusiveTouch] {playerNo + 1}P: 手指{fingerId} 松开");
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}
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}
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}
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}
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public static ulong GetTouchState(int playerNo)
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{
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lock (touchLocks[playerNo])
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{
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ulong currentTouchData = 0;
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var now = DateTime.Now;
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var points = allFingerPoints[playerNo];
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for (int i = 0; i < points.Length; i++)
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{
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var point = points[i];
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if (point.IsActive)
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{
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if ((now - point.LastUpdate).TotalMilliseconds > TouchTimeoutMs)
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{
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point.IsActive = false;
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MelonLogger.Msg($"[ExclusiveTouch] {playerNo + 1}P: 手指{i} 超时自动释放");
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}
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else
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{
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currentTouchData |= point.Mask;
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}
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}
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}
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ulong finalResult = currentTouchData | frameAccumulators[playerNo];
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frameAccumulators[playerNo] = 0;
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return finalResult;
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}
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}
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}

‎AquaMai.Mods/GameSystem/ExclusiveTouch/LibUsbDotNet/Descriptors/ClassCodeType.cs‎

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using System;
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namespace LibUsbDotNet.Descriptors;
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[Flags]
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public enum ClassCodeType : byte
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{
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PerInterface = 0,
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Audio = 1,
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Comm = 2,
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Hid = 3,
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Printer = 7,
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Ptp = 6,
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MassStorage = 8,
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Hub = 9,
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Data = 0xA,
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VendorSpec = byte.MaxValue
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}

‎AquaMai.Mods/GameSystem/ExclusiveTouch/LibUsbDotNet/Descriptors/DescriptorType.cs‎

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using System;
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namespace LibUsbDotNet.Descriptors;
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[Flags]
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public enum DescriptorType : byte
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{
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Device = 1,
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Configuration = 2,
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String = 3,
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Interface = 4,
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Endpoint = 5,
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DeviceQualifier = 6,
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OtherSpeedConfiguration = 7,
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InterfacePower = 8,
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OTG = 9,
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Debug = 0xA,
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InterfaceAssociation = 0xB,
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Hid = 0x21,
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HidReport = 0x22,
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Physical = 0x23,
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Hub = 0x29
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}

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