Example #1
0
            private static void Postfix(VRInputModule __instance)
            {
                try
                {
                    ProcessHook?.Invoke(__instance);
                }
                catch (Exception e)
                {
                    Logger.log.Error("Exception thrown in VRInputModule Process hook. Removing harmony patch to prevent further exceptions");
                    Logger.log.Debug(e);

                    var harmony = new Harmony(Plugin.HarmonyId);
                    harmony.Unpatch(typeof(VRInputModule).GetMethod("Process"), HarmonyPatchType.Postfix, Plugin.HarmonyId);
                }
            }
        private bool LookupRegexCache(ProcessHook hook, string cmd)
        {
            bool isMatch = false;
            var  query   = new RegexQuery(hook.CommandLineRegx, cmd);

            if (_regxCache.ContainsKey(query))
            {
                isMatch = _regxCache[query];
            }
            else
            {
                isMatch = Regex.IsMatch(cmd, hook.CommandLineRegx);

                _regxCache.Add(query, isMatch);
            }

            return(isMatch);
        }
Example #3
0
        public void RunLoop()
        {
            while (true)
            {
                try
                {
                    if (!ProcessMemory.getInstance().IsHooked || ProcessMemory.getInstance().process is null ||
                        ProcessMemory.getInstance().process.HasExited)
                    {
                        if (!ProcessMemory.getInstance().HookProcess("Among Us"))
                        {
                            Thread.Sleep(1000);
                            continue;
                        }

                        Settings.conInterface.WriteModuleTextColored("GameMemReader", Color.Lime,
                                                                     $"Connected to Among Us process ({Color.Red.ToTextColor()}{ProcessMemory.getInstance().process.Id}{Settings.conInterface.getNormalColor().ToTextColor()})");


                        var foundModule = false;

                        while (true)
                        {
                            foreach (var module in ProcessMemory.getInstance().modules)
                            {
                                if (module.Name.Equals("GameAssembly.dll", StringComparison.OrdinalIgnoreCase))
                                {
                                    GameAssemblyPtr = module.BaseAddress;
                                    if (!GameVerifier.VerifySteamHash(module.FileName))
                                    {
                                        cracked = true;
                                        Settings.conInterface.WriteModuleTextColored("GameVerifier", Color.Red,
                                                                                     $"Client verification: {Color.Red.ToTextColor()}FAIL{Settings.conInterface.getNormalColor().ToTextColor()}.");
                                    }
                                    else
                                    {
                                        cracked = false;
                                        Settings.conInterface.WriteModuleTextColored("GameVerifier", Color.Red,
                                                                                     $"Client verification: {Color.Lime.ToTextColor()}PASS{Settings.conInterface.getNormalColor().ToTextColor()}.");
                                    }

                                    using (SHA256Managed sha256 = new SHA256Managed())
                                    {
                                        try
                                        {
                                            using FileStream fs = new FileStream(module.FileName, FileMode.Open,
                                                                                 FileAccess.Read);
                                            using var bs = new BufferedStream(fs);
                                            var           hash = sha256.ComputeHash(bs);
                                            StringBuilder GameAssemblyhashSb = new StringBuilder(2 * hash.Length);
                                            foreach (byte byt in hash)
                                            {
                                                GameAssemblyhashSb.AppendFormat("{0:X2}", byt);
                                            }

                                            Console.WriteLine(
                                                $"GameAssembly Hash: {GameAssemblyhashSb.ToString()}");
                                            GameHash       = GameAssemblyhashSb.ToString();
                                            CurrentOffsets = offMan.FetchForHash(GameAssemblyhashSb.ToString());
                                        }
                                        catch (Exception e)
                                        {
                                            foundModule    = true;
                                            cracked        = false;
                                            GameHash       = "windows_store";
                                            CurrentOffsets = offMan.FetchForHash(GameHash);
                                        }
                                        if (CurrentOffsets is not null)
                                        {
                                            Settings.conInterface.WriteModuleTextColored("GameMemReader",
                                                                                         Color.Lime, $"Loaded offsets: {CurrentOffsets.Description}");
                                            ProcessHook?.Invoke(this, new ProcessHookArgs {
                                                PID = ProcessMemory.getInstance().process.Id
                                            });
                                        }
                                        else
                                        {
                                            Settings.conInterface.WriteModuleTextColored("GameMemReader",
                                                                                         Color.Lime,
                                                                                         $"No offsets found for: {Color.Aqua.ToTextColor()}{GameHash}{Settings.conInterface.getNormalColor().ToTextColor()}.");
                                        }
                                    }

                                    foundModule = true;
                                    break;
                                }
                            }

                            if (!foundModule)
                            {
                                Settings.conInterface.WriteModuleTextColored("GameMemReader", Color.Lime,
                                                                             "Still looking for modules...");
                                //Program.conInterface.WriteModuleTextColored("GameMemReader", Color.Green, "Still looking for modules..."); // TODO: This still isn't functional, we need to re-hook to reload module addresses
                                Thread.Sleep(500); // delay and try again
                                ProcessMemory.getInstance().LoadModules();
                            }
                            else
                            {
                                break; // we have found all modules
                            }
                        }

                        try
                        {
                            if (CurrentOffsets is not null)
                            {
                            }

                            // prevGameOverReason = ProcessMemory.getInstance().Read<GameOverReason>(GameAssemblyPtr, _gameOffsets.TempDataOffset, 0x5c, 4);
                        }
                        catch
                        {
                            Settings.conInterface.WriteModuleTextColored("ERROR", Color.Red,
                                                                         "Outdated version of the game.");
                        }
                    }

                    if (cracked && ProcessMemory.getInstance().IsHooked)
                    {
                        var result = Settings.conInterface.CrackDetected();
                        if (!result)
                        {
                            Environment.Exit(0);
                        }
                        else
                        {
                            cracked = false;
                        }
                        continue;
                    }

                    if (CurrentOffsets is null)
                    {
                        continue;
                    }
                    GameState state;
                    //int meetingHudState = /*meetingHud_cachePtr == 0 ? 4 : */ProcessMemory.ReadWithDefault<int>(GameAssemblyPtr, 4, 0xDA58D0, 0x5C, 0, 0x84); // 0 = Discussion, 1 = NotVoted, 2 = Voted, 3 = Results, 4 = Proceeding
                    var meetingHud = ProcessMemory.getInstance()
                                     .Read <IntPtr>(GameAssemblyPtr, CurrentOffsets.MeetingHudPtr);
                    var meetingHud_cachePtr = meetingHud == IntPtr.Zero
                        ? 0
                        : ProcessMemory.getInstance().Read <uint>(meetingHud, CurrentOffsets.MeetingHudCachePtrOffsets);
                    var meetingHudState =
                        meetingHud_cachePtr == 0
                            ? 4
                            : ProcessMemory.getInstance().ReadWithDefault(meetingHud, 4, CurrentOffsets.MeetingHudStateOffsets
                                                                          );                                      // 0 = Discussion, 1 = NotVoted, 2 = Voted, 3 = Results, 4 = Proceeding
                    var gameState =
                        ProcessMemory.getInstance().Read <int>(GameAssemblyPtr, CurrentOffsets.GameStateOffsets); // 0 = NotJoined, 1 = Joined, 2 = Started, 3 = ENDED (during "defeat" or "victory" screen only)

                    switch (gameState)
                    {
                    case 0:
                        state          = GameState.MENU;
                        exileCausesEnd = false;
                        break;

                    case 1:
                        state          = GameState.LOBBY;
                        exileCausesEnd = false;
                        break;

                    case 3:
                        state          = GameState.ENDED;
                        exileCausesEnd = false;
                        break;

                    default:
                    {
                        if (exileCausesEnd)
                        {
                            state = GameState.LOBBY;
                        }
                        else if (meetingHudState < 4)
                        {
                            state = GameState.DISCUSSION;
                        }
                        else
                        {
                            state = GameState.TASKS;
                        }

                        break;
                    }
                    }
                    //Console.WriteLine($"Got state: {state}");


                    var allPlayersPtr =
                        ProcessMemory.getInstance()
                        .Read <IntPtr>(GameAssemblyPtr, CurrentOffsets.AllPlayerPtrOffsets);
                    var allPlayers  = ProcessMemory.getInstance().Read <IntPtr>(allPlayersPtr, CurrentOffsets.AllPlayersOffsets);
                    var playerCount = ProcessMemory.getInstance().Read <int>(allPlayersPtr, CurrentOffsets.PlayerCountOffsets);

                    var playerAddrPtr = allPlayers + CurrentOffsets.PlayerListPtr;
                    // check if exile causes end
                    if (oldState == GameState.DISCUSSION && state == GameState.TASKS)
                    {
                        var exiledPlayerId = ProcessMemory.getInstance().ReadWithDefault <byte>(GameAssemblyPtr, 255,
                                                                                                CurrentOffsets.ExiledPlayerIdOffsets);
                        int impostorCount = 0, innocentCount = 0;

                        for (var i = 0; i < playerCount; i++)
                        {
                            var pi = CurrentOffsets.isEpic
                                ? (PlayerInfo)ProcessMemory.getInstance().Read <EpicPlayerInfo>(playerAddrPtr, 0, 0)
                                : ProcessMemory.getInstance().Read <SteamPlayerInfo>(playerAddrPtr, 0, 0);

                            playerAddrPtr += CurrentOffsets.AddPlayerPtr;

                            if (pi.PlayerId == exiledPlayerId)
                            {
                                PlayerChanged?.Invoke(this, new PlayerChangedEventArgs
                                {
                                    Action       = PlayerAction.Exiled,
                                    Name         = pi.GetPlayerName(),
                                    IsDead       = pi.GetIsDead(),
                                    Disconnected = pi.GetIsDisconnected(),
                                    Color        = pi.GetPlayerColor()
                                });
                            }

                            // skip invalid, dead and exiled players
                            if (pi.PlayerName == IntPtr.Zero || pi.PlayerId == exiledPlayerId || pi.IsDead == 1 ||
                                pi.Disconnected == 1)
                            {
                                continue;
                            }

                            if (pi.IsImpostor == 1)
                            {
                                impostorCount++;
                            }
                            else
                            {
                                innocentCount++;
                            }
                        }

                        if (impostorCount == 0 || impostorCount >= innocentCount)
                        {
                            exileCausesEnd = true;
                            state          = GameState.LOBBY;
                        }
                    }

                    if (state != oldState || shouldForceTransmitState)
                    {
                        GameStateChanged?.Invoke(this, new GameStateChangedEventArgs {
                            NewState = state
                        });
                        shouldForceTransmitState = false;
                    }

                    if (state != oldState && state == GameState.LOBBY)
                    {
                        shouldReadLobby = true; // will eventually transmit
                    }


                    if (oldState == GameState.ENDED && (state == GameState.LOBBY || state == GameState.MENU)) // game ended
                    {
                        int rawGameOverReason = ProcessMemory.getInstance()
                                                .Read <int>(GameAssemblyPtr, CurrentOffsets.RawGameOverReasonOffsets);
                        GameOverReason gameOverReason = (GameOverReason)rawGameOverReason;

                        bool humansWon = rawGameOverReason <= 1 || rawGameOverReason == 5;
                        if (humansWon) // we will be reading humans data, so set all to simps
                        {
                            foreach (string playerName in CachedPlayerInfos.Keys)
                            {
                                try
                                {
                                    CachedPlayerInfos[playerName].IsImpostor = true;
                                }
                                catch (KeyNotFoundException e)
                                {
                                    Console.WriteLine($"Could not find User: \"{playerName}\" in CachedPlayerinfos");
                                }
                            }
                        }

                        var winningPlayersPtr = ProcessMemory.getInstance()
                                                .Read <IntPtr>(GameAssemblyPtr, CurrentOffsets.WinningPlayersPtrOffsets);
                        var winningPlayers     = ProcessMemory.getInstance().Read <IntPtr>(winningPlayersPtr, CurrentOffsets.WinningPlayersOffsets);
                        var winningPlayerCount = ProcessMemory.getInstance().Read <int>(winningPlayersPtr, CurrentOffsets.WinningPlayerCountOffsets);

                        var winnerAddrPtr = winningPlayers + CurrentOffsets.PlayerListPtr;

                        for (var i = 0; i < winningPlayerCount; i++)
                        {
                            WinningPlayerData wpi = CurrentOffsets.isEpic ?
                                                    (WinningPlayerData)ProcessMemory.getInstance().Read <EpicWinningPlayerData>(winnerAddrPtr, 0, 0)
                                : ProcessMemory.getInstance().Read <SteamWinningPlayerData>(winnerAddrPtr, 0, 0);
                            winnerAddrPtr += CurrentOffsets.AddPlayerPtr;
                            Console.WriteLine(winnerAddrPtr);
                            Console.WriteLine(JsonConvert.SerializeObject(wpi, Formatting.Indented));
                            try
                            {
                                CachedPlayerInfos[wpi.GetPlayerName()].IsImpostor = wpi.IsImpostor;
                            }
                            catch (KeyNotFoundException e)
                            {
                                Console.WriteLine($"Could not find player with name \"{wpi.GetPlayerName()}\" in CachedPlayerInfos. JSON: {JsonConvert.SerializeObject(CachedPlayerInfos, Formatting.Indented)}");
                            }
                        }

                        ImmutablePlayer[] endingPlayerInfos = new ImmutablePlayer[CachedPlayerInfos.Count];
                        CachedPlayerInfos.Values.CopyTo(endingPlayerInfos, 0);

                        GameOver?.Invoke(this, new GameOverEventArgs
                        {
                            GameOverReason = gameOverReason,
                            PlayerInfos    = endingPlayerInfos
                        });
                    }

                    GameState cachedOldState = oldState;

                    oldState = state;


                    newPlayerInfos.Clear();

                    playerAddrPtr = allPlayers + CurrentOffsets.PlayerListPtr;

                    for (var i = 0; i < playerCount; i++)
                    {
                        PlayerInfo pi;
                        pi = CurrentOffsets.isEpic
                            ? (PlayerInfo)ProcessMemory.getInstance().Read <EpicPlayerInfo>(playerAddrPtr, 0, 0)
                            : ProcessMemory.getInstance().Read <SteamPlayerInfo>(playerAddrPtr, 0, 0);
                        playerAddrPtr += CurrentOffsets.AddPlayerPtr;
                        if (pi.PlayerName == IntPtr.Zero)
                        {
                            continue;
                        }
                        var playerName = pi.GetPlayerName();
                        if (playerName.Length == 0)
                        {
                            continue;
                        }

                        newPlayerInfos[playerName] = pi;             // add to new playerinfos for comparison later

                        if (!oldPlayerInfos.ContainsKey(playerName)) // player wasn't here before, they just joined
                        {
                            PlayerChanged?.Invoke(this, new PlayerChangedEventArgs
                            {
                                Action       = PlayerAction.Joined,
                                Name         = playerName,
                                IsDead       = pi.GetIsDead(),
                                Disconnected = pi.GetIsDisconnected(),
                                Color        = pi.GetPlayerColor()
                            });
                            PlayerCosmeticChanged?.Invoke(this, new PlayerCosmeticChangedEventArgs
                            {
                                Name   = playerName,
                                HatId  = pi.HatId,
                                SkinId = pi.SkinId,
                                PetId  = pi.PetId
                            });
                        }
                        else
                        {
                            // player was here before, we have an old playerInfo to compare against
                            var oldPlayerInfo = oldPlayerInfos[playerName];
                            if (!oldPlayerInfo.GetIsDead() && pi.GetIsDead()) // player just died
                            {
                                PlayerChanged?.Invoke(this, new PlayerChangedEventArgs
                                {
                                    Action       = PlayerAction.Died,
                                    Name         = playerName,
                                    IsDead       = pi.GetIsDead(),
                                    Disconnected = pi.GetIsDisconnected(),
                                    Color        = pi.GetPlayerColor()
                                });
                            }

                            if (oldPlayerInfo.ColorId != pi.ColorId)
                            {
                                PlayerChanged?.Invoke(this, new PlayerChangedEventArgs
                                {
                                    Action       = PlayerAction.ChangedColor,
                                    Name         = playerName,
                                    IsDead       = pi.GetIsDead(),
                                    Disconnected = pi.GetIsDisconnected(),
                                    Color        = pi.GetPlayerColor()
                                });
                            }

                            if (!oldPlayerInfo.GetIsDisconnected() && pi.GetIsDisconnected())
                            {
                                PlayerChanged?.Invoke(this, new PlayerChangedEventArgs
                                {
                                    Action       = PlayerAction.Disconnected,
                                    Name         = playerName,
                                    IsDead       = pi.GetIsDead(),
                                    Disconnected = pi.GetIsDisconnected(),
                                    Color        = pi.GetPlayerColor()
                                });
                            }

                            if (oldPlayerInfo.HatId != pi.HatId || oldPlayerInfo.SkinId != pi.SkinId || oldPlayerInfo.PetId != pi.PetId)
                            {
                                PlayerCosmeticChanged?.Invoke(this, new PlayerCosmeticChangedEventArgs
                                {
                                    Name   = playerName,
                                    HatId  = pi.HatId,
                                    SkinId = pi.SkinId,
                                    PetId  = pi.PetId
                                });
                            }
                        }
                    }

                    foreach (var kvp in oldPlayerInfos)
                    {
                        var pi         = kvp.Value;
                        var playerName = kvp.Key;
                        if (!newPlayerInfos.ContainsKey(playerName)) // player was here before, isn't now, so they left
                        {
                            PlayerChanged?.Invoke(this, new PlayerChangedEventArgs
                            {
                                Action       = PlayerAction.Left,
                                Name         = playerName,
                                IsDead       = pi.GetIsDead(),
                                Disconnected = pi.GetIsDisconnected(),
                                Color        = pi.GetPlayerColor()
                            });
                        }
                    }

                    oldPlayerInfos.Clear();

                    var emitAll = false;
                    if (shouldForceUpdatePlayers)
                    {
                        shouldForceUpdatePlayers = false;
                        emitAll = true;
                    }


                    if (state != cachedOldState && (state == GameState.DISCUSSION || state == GameState.TASKS)
                        ) // game started, or at least we're still in game
                    {
                        CachedPlayerInfos.Clear();
                        foreach (var kvp in newPlayerInfos
                                 ) // do this instead of assignment so they don't point to the same object
                        {
                            var    pi         = kvp.Value;
                            string playerName = pi.GetPlayerName();
                            CachedPlayerInfos[playerName] = new ImmutablePlayer()
                            {
                                Name       = playerName,
                                IsImpostor = false
                            };
                        }
                    }

                    foreach (var kvp in newPlayerInfos
                             ) // do this instead of assignment so they don't point to the same object
                    {
                        var pi = kvp.Value;
                        oldPlayerInfos[kvp.Key] = pi;
                        if (emitAll)
                        {
                            PlayerChanged?.Invoke(this, new PlayerChangedEventArgs
                            {
                                Action       = PlayerAction.ForceUpdated,
                                Name         = kvp.Key,
                                IsDead       = pi.GetIsDead(),
                                Disconnected = pi.GetIsDisconnected(),
                                Color        = pi.GetPlayerColor()
                            });
                        }
                    }

                    if (shouldReadLobby)
                    {
                        var gameCode = ProcessMemory.getInstance().ReadString(ProcessMemory.getInstance().Read <IntPtr>(
                                                                                  GameAssemblyPtr,
                                                                                  CurrentOffsets.GameCodeOffsets), CurrentOffsets.StringOffsets[0], CurrentOffsets.StringOffsets[1]);
                        string[] split;
                        if (!string.IsNullOrEmpty(gameCode) && (split = gameCode.Split('\n')).Length == 2)
                        {
                            PlayRegion region = (PlayRegion)((4 - (ProcessMemory.getInstance()
                                                                   .Read <int>(GameAssemblyPtr, CurrentOffsets.PlayRegionOffsets) & 0b11)) % 3); // do NOT ask

                            //Recheck for GameOptionsOffset
                            PlayMap map = (PlayMap)ProcessMemory.getInstance().Read <int>(GameAssemblyPtr, CurrentOffsets.PlayMapOffsets);

                            this.latestLobbyEventArgs = new LobbyEventArgs()
                            {
                                LobbyCode = split[1],
                                Region    = region,
                                Map       = map,
                            };
                            shouldReadLobby     = false;
                            shouldTransmitLobby = true; // since this is probably new info
                        }
                    }

                    if (shouldTransmitLobby)
                    {
                        if (this.latestLobbyEventArgs != null)
                        {
                            JoinedLobby?.Invoke(this, this.latestLobbyEventArgs);
                        }

                        shouldTransmitLobby = false;
                    }

                    Thread.Sleep(250);
                }
                catch (Exception e)
                {
                    Settings.conInterface.WriteModuleTextColored("ERROR", Color.Red, $"Message: {e.Message} | stack: {e.StackTrace} | Retrying in 1000ms.");
                    Console.WriteLine(e);
                    Thread.Sleep(1000);
                }
            }
        }