// public static async Task<GameScript> LoadAsync(
// IEnumerable<ScriptFile> sources,
// IScriptCompiler compiler)
// {
// // TODO Dispose ScriptRunner
// using var scriptRunner = compiler.Compile<Game>(sources);
// EventQueue eventQueue = new();
// var game = new Game(eventQueue);
// await scriptRunner.RunAsync(game);
// return new GameScript(game, eventQueue);
// }
public Task RunAsync(IMediator mediator, GameState?gameState = null)
{
// Filter event queue while setting up the game. Only ProtagonistChanged
// and RoomEntered should be sent to the UI when the game starts.
_eventQueue.IgnoreAll();
// Runs the OnGameStart callback in the game script.
_game.Start();
// From this point on, allow all events to go to the UI.
_eventQueue.AllowAll();
// We do need to make sure that the startup script has at least set
// a protagonist and room.
if (_game.Protagonist is null)
{
throw new InvalidOperationException(
"Startup script must set a protagonist.");
}
if (_game.CurrentRoom is null)
{
throw new InvalidOperationException(
"Startup script must enter a room.");
}
// Save the initial state so we've got something to compare to when
// saving the game.
_initialState = _game.Save();
if (gameState is not null)
{
_game.Load(gameState);
}
_eventQueue.Enqueue(new GameStarted(_game));
_eventQueue.Enqueue(new ProtagonistChanged(_game.Protagonist !));
_eventQueue.Enqueue(new RoomEntered(_game.CurrentRoom !));
return(_eventQueue.FlushAsync(mediator));
}
