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Implement launcher integration #9

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Implement launcher integration #9

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f58ccf6
Add `--launch=` command line argument to start game executables
keton Jan 14, 2024
4f32ad6
Add `--delay` option to wait before injection
keton Jan 14, 2024
1f1b0f3
Add ability to pass arguments to game executable via `--launch_args=`
keton Jan 15, 2024
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52 changes: 52 additions & 0 deletions UEVR/MainWindow.xaml.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -172,6 +172,9 @@ public partial class MainWindow : Window {

private ExecutableFilter m_executableFilter = new ExecutableFilter();
private string? m_commandLineAttachExe = null;
private string? m_commandLineLaunchExe = null;
private string? m_commandLineLaunchArgs = null;
private int m_commandLineDelayInjection = 0;
private bool m_ignoreFutureVDWarnings = false;

[System.Runtime.InteropServices.DllImport("user32.dll")]
Expand All @@ -187,6 +190,25 @@ public MainWindow() {
foreach (string arg in args) {
if (arg.StartsWith("--attach=")) {
m_commandLineAttachExe = arg.Split('=')[1];
continue;
}
if (arg.StartsWith("--launch=")) {
m_commandLineLaunchExe = arg.Substring(arg.IndexOf('=') + 1); // game exe URI may contain any characters including '='
continue;
}
if (arg.StartsWith("--launch_args=")) {
m_commandLineLaunchArgs = arg.Substring(arg.IndexOf('=') + 1); // space separated list of game exe arguments
continue;
}
if (arg.StartsWith("--delay=")) {
try {
m_commandLineDelayInjection = int.Parse(arg.Split('=')[1]);
}
catch {
m_commandLineDelayInjection = 0;
}

continue;
}
}
}
Expand Down Expand Up @@ -251,6 +273,8 @@ private void RestartAsAdminButton_Click(object sender, RoutedEventArgs e) {
}

private DateTime m_lastAutoInjectTime = DateTime.MinValue;
private bool m_launchExeDone = false;
private int? m_delayInjectionTimer = null;

private void Update_InjectStatus() {
if (m_connected) {
Expand All @@ -261,6 +285,22 @@ private void Update_InjectStatus() {
DateTime now = DateTime.Now;
TimeSpan oneSecond = TimeSpan.FromSeconds(1);

if (m_commandLineLaunchExe != null && !m_launchExeDone) {
try {
Process.Start(new ProcessStartInfo {
FileName = m_commandLineLaunchExe,
UseShellExecute = true, // for launcher compatiblity, executable might be an URI
Arguments = m_commandLineLaunchArgs
});

m_launchExeDone = true;
}
catch (Exception) {
MessageBox.Show("Failed to launch: " + m_commandLineLaunchExe, "Launch error", MessageBoxButton.OK, MessageBoxImage.Error);
Application.Current.Dispatcher.Invoke(new Action(() => { Application.Current.Shutdown(1); }));
}
}

if (m_commandLineAttachExe == null) {
if (m_lastSelectedProcessId == 0) {
m_injectButton.Content = "Inject";
Expand Down Expand Up @@ -313,6 +353,16 @@ private void Update_InjectStatus() {
return;
}

if (m_commandLineDelayInjection > 0) {
if (m_delayInjectionTimer == null) {
m_delayInjectionTimer = m_commandLineDelayInjection;
}

m_injectButton.Content = m_commandLineAttachExe.ToLower() + " found. Delaying " + m_delayInjectionTimer + "s";
m_delayInjectionTimer--;
if (m_delayInjectionTimer > 0) return;
}

if (now - m_lastAutoInjectTime > oneSecond) {
if (m_nullifyVRPluginsCheckbox.IsChecked == true) {
IntPtr nullifierBase;
Expand Down Expand Up @@ -355,6 +405,8 @@ private void Update_InjectStatus() {

m_lastAutoInjectTime = now;
m_commandLineAttachExe = null; // no need anymore.
m_delayInjectionTimer = null;
m_commandLineDelayInjection = 0;
FillProcessList();
if (m_focusGameOnInjectionCheckbox.IsChecked == true)
{
Expand Down
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