public Error TryStartGame()
{
var setup = _phase.Setup;
if (setup == null)
{
return(Error.Codes.E03NotInSetupPhase);
}
var err = setup.TryFinalLock();
if (err)
{
return(err);
}
var trans = new TransitionPhase(GamePhase.starting, setup);
//since only once thread can successfully call TryFinalLock, we don't need a CompareExchange here:
Volatile.Write(ref _phase, trans); // (likely overkill, but it occurs seldom so just in case...)
// ------------ TODO: do we want a countdown before the game starts?
// currently we just start "instantly"...
// ------ Setup game, bots, and listeners, then call Start! ------
var ingame = new IngamePhase(trans.Slots);
ingame.WinnerDeclared += Ingame_WinnerDeclared;
// TODO: bots
Volatile.Write(ref _phase, trans); // (likely overkill, but it occurs seldom so just in case...)
ingame.Start();
return(Error.Codes.E00NoError);
}
private void Ingame_WinnerDeclared(IngamePhase sender)
{
// assuming we have handled the logic session correctly...
// ...this should only called from one thread once (race free).
sender.WinnerDeclared -= Ingame_WinnerDeclared; // <- important!
Finish(sender);
}
private void Finish(IngamePhase ingame)
{
// (kind of redundant but, whatever... keeps things consistent)
var trans = new TransitionPhase(GamePhase.ending, ingame);
Volatile.Write(ref _phase, trans);
// -- announce that the game is / has ended (in a separate thread?)
var finished = new FinishedPhase(ingame.Winner, ingame.Slots);
Volatile.Write(ref _phase, finished);
}
public static Error GetIngame(this ILudoService service, string gameId, out IngamePhase ingame)
{
ingame = null;
var g = service.Games.TryGet(Id.Partial(gameId));
if (g == null)
{
return(Error.Codes.E01GameNotFound);
}
ingame = g.Phase.Ingame;
return(ingame == null
? Error.Codes.E07NotInGamePhase
: Error.Codes.E00NoError);
}