public static GameOperation PlayCard(string userId, string cardId, GameState gameState)
{
if (!ObjectId.IsValidId(cardId))
{
return(GameOperation.Failure("Invalid cardId."));
}
if (!ObjectId.IdsMatch(gameState.NextPlayerUserId, userId))
{
return(GameOperation.Failure("It's not your turn."));
}
bool foundPlayer = TryGetPlayer(userId, gameState, out Player player, out Player opponent);
if (!foundPlayer)
{
return(GameOperation.Failure("You're not playing this game."));
}
bool foundCard = PlayHandCard(cardId, player, gameState);
if (!foundCard)
{
return(GameOperation.Failure("Invalid cardId."));
}
if (opponent.HandCards.Length > 0)
{
PlayHandCard(opponent.HandCards[0].CardId, opponent, gameState);
}
gameState.LastUpdatedDateTimeUtc = DateTime.UtcNow;
return(GameOperation.Success(gameState));
}
public static GameOperation StartGame(string userId, string userName, Deck deck)
{
if (!IsPlayableDeck(deck))
{
return(GameOperation.Failure(FormattableString.Invariant($"Unplayable deck. A deck must contain {HandSize} or more cards.")));
}
var gameState = new GameState();
gameState.GameId = ObjectId.GetNewId();
gameState.NextPlayerUserId = userId;
gameState.Player1 = new Player
{
DisplayName = userName,
DeckDisplayName = deck.DisplayName,
HandCards = GetRandomHandFromDeck(deck),
UserId = userId
};
gameState.Player2 = new Player
{
DisplayName = "Mr. Roboto",
HandCards = GetRandomHandForAIPlayer(),
UserId = ObjectId.ComputerPlayerId
};
gameState.LastUpdatedDateTimeUtc = DateTime.UtcNow;
return(GameOperation.Success(gameState));
}
public static GameOperation CompleteGame(string userId, GameState gameState)
{
bool foundPlayer = TryGetPlayer(userId, gameState, out Player player, out Player opponent);
if (!foundPlayer)
{
return(GameOperation.Failure("You're not playing this game."));
}
if (!player.Completed)
{
player.Completed = true;
gameState.LastUpdatedDateTimeUtc = DateTime.UtcNow;
}
return(GameOperation.Success(gameState));
}
public async Task <GameOperation> PlayCardAsync(string userId, string gameId, string cardId)
{
GameState gameState = await GetGameStateAsync(userId, gameId, sanitizeGameState : false);
if (gameState == null)
{
return(GameOperation.Failure("No such game."));
}
GameOperation operation = GameHandler.PlayCard(userId, cardId, gameState);
if (operation.Succeeded)
{
await PersistGameToDatabaseAsync(userId, operation.GameState);
// sanitize game state for user
RemovePrivateGameStateInfo(userId, operation.GameState);
}
return(operation);
}
public async Task <GameOperation> StartGameAsync(string userId, string userName, string deckId, string authToken)
{
var redisDb = this.redis.GetDatabase();
Deck deck = await GetDeckAsync(deckId, authToken);
if (deck == null)
{
return(GameOperation.Failure("No such deck"));
}
GameOperation operation = GameHandler.StartGame(userId, userName, deck);
if (operation.Succeeded)
{
await PersistGameToDatabaseAsync(userId, operation.GameState);
// sanitize game state for user
RemovePrivateGameStateInfo(userId, operation.GameState);
}
return(operation);
}
