/// <summary>
/// Fired on startup
/// </summary>
/// <param name="e">startup event args</param>
protected override void OnStartup(StartupEventArgs e)
{
base.OnStartup(e);
// Used for command line option parsing
bool performUpdate = false;
string filePath = string.Empty;
// Parse command line arguments
if (e.Args != null & e.Args.Length > 0)
{
for (var i = 0; i < e.Args.Length; i++)
{
if (e.Args[i].Equals("--patch", StringComparison.InvariantCultureIgnoreCase) && string.IsNullOrEmpty(filePath))
{
if (i + 1 < e.Args.Length)
{
filePath = e.Args[i + 1];
continue;
}
}
else if (e.Args[i].Equals("--update", StringComparison.InvariantCultureIgnoreCase) && !performUpdate)
{
performUpdate = true;
continue;
}
}
}
// Only show the UI when not using the command-line version
if (string.IsNullOrEmpty(filePath) && !performUpdate)
{
var window = new MainWindow();
window.ShowDialog();
}
else
{
// Allocate a console
AllocConsole();
// Update first if required
try
{
if (performUpdate)
{
Console.WriteLine("Checking for updates...");
if (Patcher.AnyUpdateAvailable())
{
Console.WriteLine("Downloading latest patch definitions...");
Patcher.DownloadLatestPatchDefinitions();
Console.WriteLine("Done.");
}
else
{
Console.WriteLine("No updates available.");
}
}
}
catch (Exception ex)
{
Console.Error.WriteLine($"An error occured while checking for updates: {ex}");
Application.Current.Shutdown(1);
return;
}
// Stop here if no path was specified
if (string.IsNullOrEmpty(filePath))
{
Application.Current.Shutdown(0);
return;
}
// Load the patch definitions file
try
{
Console.WriteLine("Loading patch definitions file...");
Patcher.LoadPatchDefinitions();
Console.WriteLine("Done.");
}
catch (Exception ex)
{
Console.Error.WriteLine($"An error occured while loading the patch definitions file: {ex}");
Application.Current.Shutdown(1);
return;
}
// Stop if there are no patches loaded
if (!Patcher.AnyPatchesLoaded())
{
Console.Out.WriteLine($"Unable to patch: 0 patches loaded");
Application.Current.Shutdown(1);
return;
}
// Check game build
GameBuild gameBuild = null;
try
{
Console.WriteLine("Checking game build...");
gameBuild = Patcher.GetGameBuild(filePath);
if (gameBuild == null)
{
Console.Out.WriteLine($"Unable to apply patches: unsupported game build detected");
Application.Current.Shutdown(1);
return;
}
Console.WriteLine($"{gameBuild.Id} detected.");
}
catch (Exception ex)
{
Console.Error.WriteLine($"An error occured while checking the game build: {ex}");
Application.Current.Shutdown(1);
return;
}
// Patch the specified file
int successes = 0;
try
{
Console.WriteLine("Applying patches...");
foreach (var patchResult in Patcher.ApplyPatches(filePath, gameBuild.Patches))
{
if (patchResult.Success)
{
successes++;
}
Console.WriteLine($"{patchResult.Patch.Description} : {(patchResult.Success ? "Success" : "Failure")}");
}
Console.WriteLine($"\n{successes} out of {gameBuild.Patches.Count} applied.");
}
catch (Exception ex)
{
Console.Error.WriteLine($"An error occured while patching the game executable: {ex}");
Application.Current.Shutdown(1);
return;
}
Application.Current.Shutdown(successes == gameBuild.Patches.Count ? 0 : 1);
}
}
/// <summary>
/// UI method for patching the specified file at the given file path
/// </summary>
/// <param name="filePath">file path</param>
private void Patch(string filePath)
{
// First check if the selected executable is valid
// and if the game build is supported
Dispatcher.Invoke(() => PatcherStatus.Text = "Checking game version...");
GameBuild gameBuild = null;
try
{
gameBuild = Patcher.GetGameBuild(filePath);
}
catch (Exception)
{
MessageBox.Show("An error occured while checking the game version.",
"Error",
MessageBoxButton.OK,
MessageBoxImage.Error);
Dispatcher.Invoke(() => PatchButton.IsEnabled = true);
Dispatcher.Invoke(() => CheckUpdatesButton.IsEnabled = true);
Dispatcher.Invoke(() => PatcherStatus.Text = "Ready.");
return;
}
// Unknown game build
if (gameBuild == null)
{
MessageBox.Show("Make sure the selected file is correct and that " +
"you are not selecting an already patched game executable, or check for updates.",
"Unsupported game version detected",
MessageBoxButton.OK,
MessageBoxImage.Warning);
Dispatcher.Invoke(() => PatchButton.IsEnabled = true);
Dispatcher.Invoke(() => CheckUpdatesButton.IsEnabled = true);
Dispatcher.Invoke(() => PatcherStatus.Text = "Ready.");
return;
}
// Back up the executable?
var makeBackup = MessageBox.Show("Do you want to make a backup of the current game executable?",
"Backup",
MessageBoxButton.YesNo,
MessageBoxImage.Question);
if (makeBackup == MessageBoxResult.Yes)
{
var saveFileDialog = new SaveFileDialog()
{
Filter = "All Files (.*)|*.*",
FilterIndex = 1,
FileName = "DOOMEternalx64vk.exe.bak",
Title = "Save DOOM Eternal game executable file backup (.bak)"
};
if (saveFileDialog.ShowDialog() == true)
{
try
{
if (File.Exists(saveFileDialog.FileName))
{
File.Delete(saveFileDialog.FileName);
}
File.Copy(filePath, saveFileDialog.FileName);
}
catch (Exception)
{
var continueOrCancel = MessageBox.Show("An error occured while backing up the game executable. " +
"Do you want to continue patching anyways?",
"Error",
MessageBoxButton.OKCancel,
MessageBoxImage.Error);
if (continueOrCancel == MessageBoxResult.Cancel)
{
Dispatcher.Invoke(() => PatchButton.IsEnabled = true);
Dispatcher.Invoke(() => CheckUpdatesButton.IsEnabled = true);
Dispatcher.Invoke(() => PatcherStatus.Text = "Ready.");
return;
}
}
}
}
// Patch the executable
Dispatcher.Invoke(() => PatcherStatus.Text = "Patching...");
try
{
var patchingResult = Patcher.ApplyPatches(filePath, gameBuild.Patches);
// Display patching results
var succesfulPatches = new StringBuilder();
var failedPatches = new StringBuilder();
var resultsString = new StringBuilder();
int successes = 0;
int fails = 0;
foreach (var patchResult in patchingResult)
{
if (patchResult.Success)
{
succesfulPatches.Append(patchResult.Patch.Description).Append("\n");
successes++;
continue;
}
failedPatches.Append(patchResult.Patch.Description).Append("\n");
fails++;
}
if (successes > 0)
{
resultsString.Append("The following patches were successfuly applied:\n\n");
resultsString.Append(succesfulPatches);
}
if (fails > 0)
{
if (successes > 0)
{
resultsString.Append("\n");
}
resultsString.Append("The following patches could not be applied:\n\n");
resultsString.Append(failedPatches);
}
resultsString.Append($"\n{successes} patches out of {gameBuild.Patches.Count} applied.");
MessageBox.Show(resultsString.ToString(),
"Patching results",
MessageBoxButton.OK,
fails > 0 ? MessageBoxImage.Warning : MessageBoxImage.Information);
}
catch (Exception)
{
MessageBox.Show($"An error occured while patching the game executable.",
"Error",
MessageBoxButton.OK,
MessageBoxImage.Error);
}
finally
{
Dispatcher.Invoke(() => PatchButton.IsEnabled = true);
Dispatcher.Invoke(() => CheckUpdatesButton.IsEnabled = true);
Dispatcher.Invoke(() => PatcherStatus.Text = "Ready.");
}
}