feat: qq music #12

Vanessa/Players/Tencent.cs

@@ -1,16 +1,155 @@
 using System;
+using System.Diagnostics;
+using System.Text;
 using Kxnrl.Vanessa.Models;
+using Kxnrl.Vanessa.Win32Api;
 
 namespace Kxnrl.Vanessa.Players;
 
 internal sealed class Tencent : IMusicPlayer
 {
+    private const string CurrentSOngInfoPattern
+        = "B9 ? ? ? ? C7 05 ? ? ? ? ? ? ? ? E8 ? ? ? ? B9";
+
+    private const string AlbumThumbnailPattern
+        = "A1 ? ? ? ? 6A ? 51 8B CC 51 89 01 8B C4 8D 4D ? C7 00 ? ? ? ? FF 15 ? ? ? ? A1 ? ? ? ? 6A ? 51 8B CC 51 89 01 8B C4 8D 4D ? C7 00 ? ? ? ? FF 15 ? ? ? ? 6A ? FF 35 ? ? ? ? 51 8B C4 8D 4D ? C7 00 ? ? ? ? FF 15 ? ? ? ? 6A ? FF 35 ? ? ? ? 51 8B C4 8D 4D ? C7 00 ? ? ? ? FF 15 ? ? ? ? 6A ? FF 35 ? ? ? ? 51 8B C4 C7 00";
+
+    private const string IsPausedPattern
+        = "0F 29 05 ? ? ? ? C7 05 ? ? ? ? ? ? ? ? C7 05 ? ? ? ? ? ? ? ? C7 05 ? ? ? ? ? ? ? ? E8";
+
+    private readonly nint          _currentSongInfoAddress;
+    private readonly nint          _isPausedAddress;
+    private readonly nint          _albumThumbnailAddress;
+
+    private readonly int           _pid;
+    private readonly ProcessMemory _process;
+
     public Tencent(int pid)
-        => throw new NotImplementedException();
+    {
+        _pid = pid;
+        using var p = Process.GetProcessById(pid);
+
+        foreach (ProcessModule module in p.Modules)
+        {
+            if (!"QQMusic.dll".Equals(module.ModuleName))
+            {
+                continue;
+            }
+
+            var process = new ProcessMemory(pid);
+            var address = module.BaseAddress;
+
+            if (Memory.FindPattern(CurrentSOngInfoPattern, pid, address, out var patternAddress))
+            {
+                var currentSongAddress = process.ReadInt32(patternAddress, 1);
+                _currentSongInfoAddress = currentSongAddress;
+            }
+
+            if (Memory.FindPattern(IsPausedPattern, pid, address, out patternAddress))
+            {
+                var isPausedAddress = process.ReadInt32(patternAddress, 3);
+                _isPausedAddress = isPausedAddress + 4;
+            }
+
+            if (Memory.FindPattern(AlbumThumbnailPattern, pid, address, out patternAddress))
+            {
+                var albumThumbnailAddress = process.ReadInt32(patternAddress, 1);
+                _albumThumbnailAddress = albumThumbnailAddress;
+            }
+
+            _process = process;
+
+            break;
+        }
+
+        if (_process is null)
+        {
+            throw new EntryPointNotFoundException("Failed to find process");
+        }
+
+        if (_currentSongInfoAddress == 0)
+        {
+            throw new EntryPointNotFoundException("_currentSongAddress is 0");
+        }
+    }
 
     public bool Validate(int pid)
-        => throw new System.NotImplementedException();
+        => _pid == pid;
 
     public PlayerInfo? GetPlayerInfo()
-        => throw new System.NotImplementedException();
+    {
+        var id = GetSongIdentity();
+
+        if (id == 0)
+        {
+            return null;
+        }
+
+        return new PlayerInfo
+        {
+            Identity = id.ToString(),
+            Title    = GetSongName(),
+            Artists  = GetArtistName(),
+            Album    = GetAlbumName(),
+            Cover    = GetAlbumThumbnailUrl(),
+            Schedule = GetSongSchedule() * 0.001,
+            Duration = GetSongDuration() * 0.001,
+            Pause    = IsPaused(),
+
+            // lock
+            Url = $"https://y.qq.com/n/ryqq/songDetail/{id}",
+        };
+    }
+
+    private uint GetSongIdentity()
+        => _process.ReadUInt32(_currentSongInfoAddress);
+
+    private int GetSongDuration()
+        => _process.ReadInt32(_currentSongInfoAddress, 0x10);
+
+    private int GetSongSchedule()
+        => _process.ReadInt32(_currentSongInfoAddress, 0xC);
+
+    private string GetSongName()
+    {
+        var address = _process.ReadInt32(_currentSongInfoAddress);
+        var bytes   = _process.ReadBytes(address, 512);
+
+        var result = Encoding.Unicode.GetString(bytes);
+
+        return result[..result.IndexOf('\0')];
+    }
+
+    private string GetArtistName()
+    {
+        var address = _process.ReadInt32(_currentSongInfoAddress, 4);
+        var bytes   = _process.ReadBytes(address, 512);
+
+        var result = Encoding.Unicode.GetString(bytes);
+
+        return result[..result.IndexOf('\0')];
+    }
+
+    private string GetAlbumName()
+    {
+        var address = _process.ReadInt32(_currentSongInfoAddress, 8);
+        var bytes   = _process.ReadBytes(address, 512);
+
+        var result = Encoding.Unicode.GetString(bytes);
+
+        return result[..result.IndexOf('\0')];
+    }
+
+    private string GetAlbumThumbnailUrl()
+    {
+        var address = _process.ReadInt32(_albumThumbnailAddress);
+        var bytes   = _process.ReadBytes(address, 512);
+
+        var result = Encoding.Unicode.GetString(bytes);
+
+        return result[..result.IndexOf('\0')];
+    }
+
+    private bool IsPaused()
+        => _process.ReadInt32(_isPausedAddress) == 1;
 }

Vanessa/Program.cs

@@ -156,7 +156,7 @@ private static async Task UpdateThread(DiscordRpcClient netEase, DiscordRpcClien
                         rpc.Assets = new Assets
                         {
                             LargeImageKey  = info.Cover,
-                            LargeImageText = info.Album,
+                            LargeImageText = $"💿 {info.Album}",
                             SmallImageKey  = "timg",
                             SmallImageText = "NetEase CloudMusic",
                         };

Vanessa/Vanessa.csproj

@@ -10,7 +10,7 @@
     <RootNamespace>Kxnrl.Vanessa</RootNamespace>
     <VersionPrefix>1.0</VersionPrefix>
     <VersionSuffix>1</VersionSuffix>
-    <Version>$(VersionPrefix).$(VersionSuffix)</Version>
+    <Version>3.0</Version>
     <PackageProjectUrl>https://github.com/Kxnrl/NetEase-Cloud-Music-DiscordRPC</PackageProjectUrl>
     <Copyright>©2024 Kyle</Copyright>
     <RepositoryUrl>https://github.com/Kxnrl/NetEase-Cloud-Music-DiscordRPC</RepositoryUrl>

Vanessa/Win32Api/Memory.cs

@@ -14,12 +14,13 @@ public static bool FindPattern(string pattern, int processId, nint address, out
         var ntHeader = address + ntOffset;
 
         // IMAGE
-        var fileHeader = ntHeader + 4;
-        var sections   = memory.ReadInt16(ntHeader, 6);
+        var fileHeader  = ntHeader + 4;
+        var sections    = memory.ReadInt16(ntHeader,   6);
+        var sectionSize = memory.ReadInt16(fileHeader, 16);
 
         // OPT HEADER
         var optHeader     = fileHeader + 20;
-        var sectionHeader = optHeader  + 240;
+        var sectionHeader = optHeader  + sectionSize;
 
         var cursor = sectionHeader;
 
@@ -167,6 +168,9 @@ public short ReadInt16(IntPtr address, int offset = 0)
     public int ReadInt32(IntPtr address, int offset = 0)
         => BitConverter.ToInt32(ReadBytes(IntPtr.Add(address, offset), 4), 0);
 
+    public uint ReadUInt32(IntPtr address, int offset = 0)
+        => BitConverter.ToUInt32(ReadBytes(IntPtr.Add(address, offset), 4), 0);
+
     [DllImport("kernel32.dll", SetLastError = true)]
     private static extern bool ReadProcessMemory(IntPtr pHandle, IntPtr address, byte[] buffer, int size, IntPtr bytesRead);