156 lines
6.1 KiB
C#
156 lines
6.1 KiB
C#
using Discord;
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using Discord.Commands;
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using NadekoBot.Classes;
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using NadekoBot.Extensions;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace NadekoBot.Modules.Games.Commands.Trivia
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{
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internal class TriviaGame
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{
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private readonly SemaphoreSlim _guessLock = new SemaphoreSlim(1,1);
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private Server server { get; }
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private Channel channel { get; }
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private int QuestionDurationMiliseconds { get; } = 30000;
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private int HintTimeoutMiliseconds { get; } = 6000;
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public bool ShowHints { get; set; } = true;
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private CancellationTokenSource triviaCancelSource { get; set; }
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public TriviaQuestion CurrentQuestion { get; private set; }
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public HashSet<TriviaQuestion> oldQuestions { get; } = new HashSet<TriviaQuestion>();
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public ConcurrentDictionary<User, int> Users { get; } = new ConcurrentDictionary<User, int>();
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public bool GameActive { get; private set; } = false;
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public bool ShouldStopGame { get; private set; }
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public int WinRequirement { get; } = 10;
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public TriviaGame(CommandEventArgs e, bool showHints, int winReq = 10)
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{
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ShowHints = showHints;
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server = e.Server;
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channel = e.Channel;
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WinRequirement = winReq;
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Task.Run(StartGame);
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}
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private async Task StartGame()
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{
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while (!ShouldStopGame)
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{
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// reset the cancellation source
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triviaCancelSource = new CancellationTokenSource();
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var token = triviaCancelSource.Token;
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// load question
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CurrentQuestion = TriviaQuestionPool.Instance.GetRandomQuestion(oldQuestions);
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if (CurrentQuestion == null)
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{
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await channel.SendMessage($":exclamation: Failed loading a trivia question").ConfigureAwait(false);
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await End().ConfigureAwait(false);
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return;
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}
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oldQuestions.Add(CurrentQuestion); //add it to exclusion list so it doesn't show up again
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//sendquestion
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await channel.SendMessage($":question: **{CurrentQuestion.Question}**").ConfigureAwait(false);
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//receive messages
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NadekoBot.Client.MessageReceived += PotentialGuess;
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//allow people to guess
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GameActive = true;
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try
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{
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//hint
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await Task.Delay(HintTimeoutMiliseconds, token).ConfigureAwait(false);
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if (ShowHints)
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await channel.SendMessage($":exclamation:**Hint:** {CurrentQuestion.GetHint()}").ConfigureAwait(false);
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//timeout
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await Task.Delay(QuestionDurationMiliseconds - HintTimeoutMiliseconds, token).ConfigureAwait(false);
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}
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catch (TaskCanceledException) { } //means someone guessed the answer
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GameActive = false;
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if (!triviaCancelSource.IsCancellationRequested)
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await channel.Send($":clock2: :question: **Time's up!** The correct answer was **{CurrentQuestion.Answer}**").ConfigureAwait(false);
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NadekoBot.Client.MessageReceived -= PotentialGuess;
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// load next question if game is still running
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await Task.Delay(2000).ConfigureAwait(false);
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}
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await End().ConfigureAwait(false);
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}
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private async Task End()
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{
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ShouldStopGame = true;
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await channel.SendMessage("**Trivia game ended**\n" + GetLeaderboard()).ConfigureAwait(false);
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TriviaGame throwAwayValue;
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TriviaCommands.RunningTrivias.TryRemove(server.Id, out throwAwayValue);
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}
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public async Task StopGame()
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{
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if (!ShouldStopGame)
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await channel.SendMessage(":exclamation: Trivia will stop after this question.").ConfigureAwait(false);
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ShouldStopGame = true;
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}
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private async void PotentialGuess(object sender, MessageEventArgs e)
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{
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try
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{
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if (e.Channel.IsPrivate) return;
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if (e.Server != server) return;
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if (e.User.Id == NadekoBot.Client.CurrentUser.Id) return;
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var guess = false;
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await _guessLock.WaitAsync().ConfigureAwait(false);
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try
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{
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if (GameActive && CurrentQuestion.IsAnswerCorrect(e.Message.Text) && !triviaCancelSource.IsCancellationRequested)
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{
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Users.TryAdd(e.User, 0); //add if not exists
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Users[e.User]++; //add 1 point to the winner
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guess = true;
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}
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}
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catch { _guessLock.Release(); }
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if (!guess) return;
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triviaCancelSource.Cancel();
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await channel.SendMessage($"☑️ {e.User.Mention} guessed it! The answer was: **{CurrentQuestion.Answer}**").ConfigureAwait(false);
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if (Users[e.User] != WinRequirement) return;
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ShouldStopGame = true;
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await channel.Send($":exclamation: We have a winner! It's {e.User.Mention}.").ConfigureAwait(false);
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// add points to the winner
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await FlowersHandler.AddFlowersAsync(e.User, "Won Trivia", 2).ConfigureAwait(false);
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}
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catch { }
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}
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public string GetLeaderboard()
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{
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if (Users.Count == 0)
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return "";
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var sb = new StringBuilder();
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sb.Append("**Leaderboard:**\n-----------\n");
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foreach (var kvp in Users.OrderBy(kvp => kvp.Value))
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{
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sb.AppendLine($"**{kvp.Key.Name}** has {kvp.Value} points".ToString().SnPl(kvp.Value));
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}
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return sb.ToString();
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}
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}
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}
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