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Nitrox.Launcher/ViewModels/LaunchGameViewModel.cs
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270
Nitrox.Launcher/ViewModels/LaunchGameViewModel.cs
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using System;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Threading.Tasks;
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using System.Web;
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using Avalonia.Media.Imaging;
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using Avalonia.Threading;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using HanumanInstitute.MvvmDialogs;
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using Nitrox.Launcher.Models.Design;
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using Nitrox.Launcher.Models.Services;
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using Nitrox.Launcher.Models.Utils;
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using Nitrox.Launcher.ViewModels.Abstract;
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using NitroxModel.Discovery.Models;
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using NitroxModel.Helper;
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using NitroxModel.Logger;
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using NitroxModel.Platforms.OS.Shared;
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using NitroxModel.Platforms.Store;
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using NitroxModel.Platforms.Store.Interfaces;
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namespace Nitrox.Launcher.ViewModels;
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public partial class LaunchGameViewModel : RoutableViewModelBase
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{
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public static Task<string> LastFindSubnauticaTask;
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private static bool hasInstantLaunched;
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private readonly OptionsViewModel optionsViewModel;
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private readonly ServerService serverService;
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private readonly IKeyValueStore keyValueStore;
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private readonly IDialogService dialogService;
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[ObservableProperty]
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private Platform gamePlatform;
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[ObservableProperty]
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private string platformToolTip;
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public Bitmap[] GalleryImageSources { get; } = [
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AssetHelper.GetAssetFromStream("/Assets/Images/gallery/image-1.png", static stream => new Bitmap(stream)),
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AssetHelper.GetAssetFromStream("/Assets/Images/gallery/image-2.png", static stream => new Bitmap(stream)),
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AssetHelper.GetAssetFromStream("/Assets/Images/gallery/image-3.png", static stream => new Bitmap(stream)),
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AssetHelper.GetAssetFromStream("/Assets/Images/gallery/image-4.png", static stream => new Bitmap(stream))
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];
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public string Version => $"{NitroxEnvironment.ReleasePhase} {NitroxEnvironment.Version}";
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public string SubnauticaLaunchArguments => keyValueStore.GetSubnauticaLaunchArguments();
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public LaunchGameViewModel()
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{
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}
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public LaunchGameViewModel(IDialogService dialogService, ServerService serverService, OptionsViewModel optionsViewModel, IKeyValueStore keyValueStore)
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{
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this.dialogService = dialogService;
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this.serverService = serverService;
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this.optionsViewModel = optionsViewModel;
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this.keyValueStore = keyValueStore;
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}
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internal override async Task ViewContentLoadAsync()
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{
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await Task.Run(() =>
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{
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NitroxUser.GamePlatformChanged += UpdateGamePlatform;
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UpdateGamePlatform();
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HandleInstantLaunchForDevelopment();
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});
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}
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internal override Task ViewContentUnloadAsync()
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{
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NitroxUser.GamePlatformChanged -= UpdateGamePlatform;
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return Task.CompletedTask;
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}
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[RelayCommand]
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private async Task StartSingleplayerAsync()
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{
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if (GameInspect.WarnIfGameProcessExists(GameInfo.Subnautica))
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{
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return;
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}
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Log.Info("Launching Subnautica in singleplayer mode");
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try
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{
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if (string.IsNullOrWhiteSpace(NitroxUser.GamePath) || !Directory.Exists(NitroxUser.GamePath))
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{
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await HostScreen.ShowAsync(optionsViewModel);
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LauncherNotifier.Warning("Location of Subnautica is unknown. Set the path to it in settings");
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return;
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}
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NitroxEntryPatch.Remove(NitroxUser.GamePath);
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await StartSubnauticaAsync();
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}
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catch (Exception ex)
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{
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Log.Error(ex, "Error while starting game in singleplayer mode:");
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await dialogService.ShowErrorAsync(ex, "Error while starting game in singleplayer mode");
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}
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}
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[RelayCommand]
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private async Task StartMultiplayerAsync(string[] args = null)
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{
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Log.Info("Launching Subnautica in multiplayer mode");
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try
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{
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bool setupResult = await Task.Run(async () =>
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{
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if (string.IsNullOrWhiteSpace(NitroxUser.GamePath) || !Directory.Exists(NitroxUser.GamePath))
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{
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await Dispatcher.UIThread.InvokeAsync(async () => await HostScreen.ShowAsync(optionsViewModel));
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LauncherNotifier.Warning("Location of Subnautica is unknown. Set the path to it in settings");
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return false;
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}
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if (PirateDetection.HasTriggered)
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{
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LauncherNotifier.Error("Aarrr! Nitrox has walked the plank :(");
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return false;
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}
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if (GameInspect.WarnIfGameProcessExists(GameInfo.Subnautica))
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{
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return false;
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}
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if (await GameInspect.IsOutdatedGameAndNotify(NitroxUser.GamePath, dialogService))
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{
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return false;
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}
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// TODO: The launcher should override FileRead win32 API for the Subnautica process to give it the modified Assembly-CSharp from memory
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try
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{
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const string PATCHER_DLL_NAME = "NitroxPatcher.dll";
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string patcherDllPath = Path.Combine(NitroxUser.ExecutableRootPath ?? "", "lib", "net472", PATCHER_DLL_NAME);
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if (!File.Exists(patcherDllPath))
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{
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LauncherNotifier.Error("Launcher files seems corrupted, please contact us");
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return false;
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}
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File.Copy(
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patcherDllPath,
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Path.Combine(NitroxUser.GamePath, GameInfo.Subnautica.DataFolder, "Managed", PATCHER_DLL_NAME),
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true
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);
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}
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catch (IOException ex)
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{
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Log.Error(ex, "Unable to move initialization dll to Managed folder. Still attempting to launch because it might exist from previous runs");
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}
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// Try inject Nitrox into Subnautica code.
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if (LastFindSubnauticaTask != null)
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{
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await LastFindSubnauticaTask;
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}
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NitroxEntryPatch.Remove(NitroxUser.GamePath);
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NitroxEntryPatch.Apply(NitroxUser.GamePath);
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if (QModHelper.IsQModInstalled(NitroxUser.GamePath))
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{
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Log.Warn("Seems like QModManager is installed");
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LauncherNotifier.Warning("QModManager Detected in the game folder");
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}
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return true;
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});
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if (!setupResult)
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{
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return;
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}
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await StartSubnauticaAsync(args);
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}
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catch (Exception ex)
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{
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Log.Error(ex, "Error while starting game in multiplayer mode:");
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await Dispatcher.UIThread.InvokeAsync(async () => await dialogService.ShowErrorAsync(ex, "Error while starting game in multiplayer mode"));
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}
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}
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[RelayCommand]
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private void OpenContributionsOfYear()
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{
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Process.Start(new ProcessStartInfo($"https://github.com/SubnauticaNitrox/Nitrox/graphs/contributors?from={HttpUtility.UrlEncode($"{DateTime.UtcNow.AddYears(-1):yyyy/M/d}")}") { UseShellExecute = true, Verb = "open" })?.Dispose();
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}
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/// <summary>
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/// Launches the server and Subnautica immediately if instant launch is active.
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/// </summary>
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[Conditional("DEBUG")]
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private void HandleInstantLaunchForDevelopment()
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{
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if (hasInstantLaunched)
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{
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return;
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}
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hasInstantLaunched = true;
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if (App.InstantLaunch == null)
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{
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return;
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}
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Task.Run(async () =>
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{
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// Start the server
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ServerEntry server = await serverService.GetOrCreateServerAsync(App.InstantLaunch.SaveName);
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server.Name = App.InstantLaunch.SaveName;
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Task serverStartTask = Dispatcher.UIThread.InvokeAsync(async () => await serverService.StartServerAsync(server)).ContinueWithHandleError();
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// Start a game in multiplayer for each player
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foreach (string playerName in App.InstantLaunch.PlayerNames)
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{
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await StartMultiplayerAsync(["--instantlaunch", playerName]).ContinueWithHandleError();
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}
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await serverStartTask;
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}).ContinueWithHandleError();
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}
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private async Task StartSubnauticaAsync(string[] args = null)
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{
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LauncherNotifier.Info("Starting game");
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string subnauticaPath = NitroxUser.GamePath;
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string subnauticaLaunchArguments = $"{SubnauticaLaunchArguments} {string.Join(" ", args ?? Environment.GetCommandLineArgs())}";
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string subnauticaExe;
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if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
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{
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subnauticaExe = Path.Combine(subnauticaPath, "MacOS", GameInfo.Subnautica.ExeName);
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}
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else
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{
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subnauticaExe = Path.Combine(subnauticaPath, GameInfo.Subnautica.ExeName);
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}
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if (!File.Exists(subnauticaExe))
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{
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throw new FileNotFoundException("Unable to find Subnautica executable");
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}
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IGamePlatform platform = GamePlatforms.GetPlatformByGameDir(subnauticaPath);
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// Start game & gaming platform if needed.
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using ProcessEx game = platform switch
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{
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Steam s => await s.StartGameAsync(subnauticaExe, subnauticaLaunchArguments, GameInfo.Subnautica.SteamAppId),
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EpicGames e => await e.StartGameAsync(subnauticaExe, subnauticaLaunchArguments),
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MSStore m => await m.StartGameAsync(subnauticaExe, subnauticaLaunchArguments),
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Discord d => await d.StartGameAsync(subnauticaExe, subnauticaLaunchArguments),
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_ => throw new Exception($"Directory '{subnauticaPath}' is not a valid {GameInfo.Subnautica.Name} game installation or the game platform is unsupported by Nitrox.")
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};
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if (game is null)
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{
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throw new Exception($"Game failed to start through {platform.Name}");
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}
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}
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private void UpdateGamePlatform()
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{
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GamePlatform = NitroxUser.GamePlatform?.Platform ?? Platform.NONE;
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PlatformToolTip = GamePlatform.GetAttribute<DescriptionAttribute>()?.Description ?? "Unknown";
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}
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}
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