public static void GhostEaten(GameState gameState, Ghost ghost, Game game, GameNotifications gameNotifications)
{
SendGhostHome(gameState, ghost);
IncreaseScoreAfterEatingGhost(gameState, game);
MakeGhostNotEdible(gameState, ghost);
gameNotifications.Publish(GameNotification.EatGhost);
}
public static void SetupGame(GameState gameState, DateTime now, GameNotifications gameNotifications)
{
gameState.RecordLastTick(now);
MoveGhostsHome(gameState);
gameState.ShowGhosts();
gameNotifications.Publish(GameNotification.Beginning);
}
public static void PowerPillEaten(IGameSettings gameSettings, GameState gameState, CellLocation powerPillLocation, GameNotifications gameNotifications)
{
gameState.IncreaseScore(50);
gameNotifications.Publish(GameNotification.EatPowerPill);
MakeGhostsEdible(gameSettings, gameState);
gameState.RemovePowerPill(powerPillLocation);
}
public static void CoinEaten(Game game, IGameSettings settings, GameState gameState, CellLocation coinLocation, GameNotifications gameNotifications)
{
gameState.RemoveCoin(coinLocation);
gameState.IncreaseScore(10);
if (settings.FruitAppearsAfterCoinsEaten.Contains(game.StartingCoins.Count - game.Coins.Count))
{
if (!FruitForLevel.TryGetValue(gameState.Level, out var fruitType))
{
fruitType = FruitType.Key;
}
gameState.ShowFruit(settings.FruitVisibleForSeconds, fruitType);
}
gameNotifications.Publish(GameNotification.EatCoin);
}
internal static void FruitEaten(Game game, IGameSettings settings, GameState gameState, CellLocation location, GameNotifications gameNotifications)
{
var scoreInc = gameState.FruitTypeToShow switch {
FruitType.Cherry => 100,
FruitType.Strawberry => 300,
FruitType.Orange => 500,
FruitType.Bell => 700,
FruitType.Apple => 1000,
FruitType.Grapes => 2000,
FruitType.Arcadian => 3000,
FruitType.Key => 5000,
_ => throw new NotImplementedException()
};
gameState.IncreaseScore(scoreInc);
gameState.HideFruit();
gameNotifications.Publish(GameNotification.EatFruit);
}
internal void Tick(GameState gameState, DateTime now)
{
_gameNotifications.Publish(GameNotification.PreTick);
gameState.RecordLastTick(now);
}
public GameStateMachine(IGameActions game, IGameSettings settings, GameNotifications gameNotifications)
{
InstanceState(x => x.Status);
DuringAny(
When(Tick)
.Then(context => context.Instance.LastTick = context.Data.Now));
Initially(
When(Tick)
.Then(context => context.Instance.LastTick = context.Data.Now)
.Then(context => game.MoveGhostsHome())
.Then(context => game.ShowGhosts(context.Instance))
.Then(context => gameNotifications.Publish(GameNotification.Beginning))
.TransitionTo(Scatter));
WhenEnter(Scatter,
binder => binder
.Then(context => context.Instance.TimeToChangeState = context.Instance.LastTick.AddSeconds(settings.InitialScatterTimeInSeconds))
.Then(context => game.ScatterGhosts()));
During(Scatter,
When(Tick, context => context.Data.Now >= context.Instance.TimeToChangeState)
.TransitionTo(GhostChase));
WhenEnter(GhostChase,
binder => binder
.Then(context => context.Instance.TimeToChangeState = context.Instance.LastTick.AddSeconds(settings.ChaseTimeInSeconds))
.Then(context => game.GhostToChase()));
During(GhostChase,
When(Tick, context => context.Data.Now >= context.Instance.TimeToChangeState)
.TransitionTo(Scatter));
During(Frightened,
When(Tick, context => context.Data.Now >= context.Instance.TimeToChangeState)
.Then(x => game.MakeGhostsNotEdible())
.TransitionTo(Scatter));
During(Scatter, GhostChase, Frightened,
When(Tick)
.ThenAsync(async context => await game.MoveGhosts(context, this))
.Then(context => game.MovePacMan(context, this)),
When(CoinEaten)
.Then(context => context.Instance.Score += 10)
.Then(context => gameNotifications.Publish(GameNotification.EatCoin)),
When(PowerPillEaten)
.Then(context => context.Instance.Score += 50)
.Then(context => gameNotifications.Publish(GameNotification.EatPowerPill))
.Then(context => game.MakeGhostsEdible())
.Then(context => context.Instance.TimeToChangeState = context.Instance.LastTick.AddSeconds(7))
.TransitionTo(Frightened),
When(GhostCollision)
.IfElse(x => x.Data.Ghost.Edible,
binder => binder.Then(x => game.SendGhostHome(x.Data.Ghost)),
binder => binder.Then(context => context.Instance.Lives -= 1)
.TransitionTo(Dying)));
WhenEnter(Dying,
binder => binder
.Then(context => context.Instance.TimeToChangeState = context.Instance.LastTick.AddSeconds(4))
.Then(context => gameNotifications.Publish(GameNotification.Dying)));
During(Dying,
When(Tick, context => context.Data.Now >= context.Instance.TimeToChangeState)
.Then(context => game.HideGhosts(context.Instance))
.Then(context => context.Instance.TimeToChangeState = context.Data.Now.AddSeconds(4))
.IfElse(context => context.Instance.Lives > 0,
binder => binder.TransitionTo(Respawning),
binder => binder.TransitionTo(Dead)));
WhenEnter(Respawning,
binder => binder
.Then(context => gameNotifications.Publish(GameNotification.Respawning)));
During(Respawning,
When(Tick, context => context.Data.Now >= context.Instance.TimeToChangeState)
.Then(context => context.Instance.TimeToChangeState = context.Data.Now.AddSeconds(4))
.Then(context => game.MoveGhostsHome())
.Then(context => game.MovePacManHome())
.Then(context => game.ShowGhosts(context.Instance))
.TransitionTo(GhostChase));
During(Dead, Ignore(Tick));
}
public static void BeginRespawning(GameNotifications gameNotifications)
{
gameNotifications.Publish(GameNotification.Respawning);
}
public static void BeginDying(GameState gameState, GameNotifications gameNotifications)
{
gameState.HideGhosts();
gameNotifications.Publish(GameNotification.Dying);
}
public static void Tick(GameState gameState, DateTime now, GameNotifications gameNotifications)
{
gameNotifications.Publish(GameNotification.PreTick);
gameState.RecordLastTick(now);
}