/// <summary>
/// Starts the game execution sequence. Catches all exceptions and shows a message box (which currently doesn't work because run on separate thread).
/// </summary>
public void Start()
{
try
{
// We want to get the game running since we are.. you know.. the game runner. heh.
_game = Steam.LaunchGame(_gameId);
// Begin game runner execution
Execute();
}
catch (InvalidSteamUserException ex)
{
MessageBox.Show("Invalid Steam User");
}
catch (GameNotInstalledException ex)
{
MessageBox.Show("Game is invalid or not installed");
}
catch (GameUpdatingException ex)
{
MessageBox.Show("Game is currently updating and in bad state");
}
catch (Exception ex)
{
Console.WriteLine("ERROR");
Console.WriteLine(ex.Message);
Console.WriteLine("END ERROR");
MessageBox.Show(string.Format("Unknown error occurred: {0}", ex.Message));
}
// finally close the game
finally
{
try
{
if (IsRunning && !Steam.CloseGame(_game))
{
throw new Exception("Failed to close game, process may still be running.");
}
Console.WriteLine("Successfully closed game.");
}
catch (Exception ex) {
MessageBox.Show("Failed to close game");
}
finally {
_game = null;
// Any child can override and do specific cleanup
OnExiting();
}
}
}
/// <summary>
/// Closes the specified game object by closing its window and returns once the process is dead.
/// </summary>
/// <param name="game">the steam game object to be killed</param>
/// <returns>true if successfully destroyed the process, false otherwise</returns>
public static bool CloseGame(SteamGame game)
{
Console.WriteLine("Attempting to close game.");
game.Window?.Close();
while (game.IsRunning)
{
Thread.Sleep(500);
Console.WriteLine("Attempting to close game.");
}
return(game.Window == null);
}
/// <summary>
/// Launches a steam game if it is not already in the middle of launching or running. Creates a new SteamGame object which wraps
/// the game process and window and returns it when the game is running. Should not be run on main thread.
/// </summary>
/// <param name="gameId">Steam app ID to launch</param>
/// <returns>Game wrapper representing the new running steam game process and window</returns>
public static SteamGame LaunchGame(int gameId)
{
if (!IsLoggedIn)
{
throw new InvalidSteamUserException("User is not logged in");
}
SteamGame game = new SteamGame(gameId);
// Throw an exception if the game is not installed
if (!game.IsInstalled)
{
throw new GameNotInstalledException();
}
// Throw an exception if the game is updating and not usable
if (game.IsUpdating)
{
throw new GameUpdatingException();
}
// Launches the steam launcher process only if the game is not already launching
if (!game.IsRunning && !game.IsLaunching)
{
string steamLauncherProcessUri = string.Format(STEAM_LAUNCH_URI, gameId);
using (Process steamLauncherProcess = Process.Start(steamLauncherProcessUri))
{
// should almost be instant as the process' job is to
// create the actual game launcher process. Process-ception.
steamLauncherProcess.WaitForExit();
}
}
// Wait until the game's process has updated to be running with a valid window handle
// before returning the game object to the consumer.
// TODO: Probably want to have a max time limit or check counter so this doesn't go on forever.
while (!game.IsRunning || game.Window == null)
{
Thread.Sleep(500);
}
// Game should now be foregrounded
return(game);
}
/// <summary>
/// Constructs an instruction set
/// </summary>
/// <param name="game">the Steam game to run the instructions on</param>
public InstructionSet(SteamGame game)
{
this.Game = game;
}
