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synced 2025-09-11 17:58:26 -04:00
Restructured folders and project names, ci should be fixed
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Kwoth
401
src/NadekoBot/Modules/Gambling/Connect4/Connect4.cs
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401
src/NadekoBot/Modules/Gambling/Connect4/Connect4.cs
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using CommandLine;
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using NadekoBot.Common;
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using NadekoBot.Core.Common;
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using NadekoBot.Core.Services;
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using System;
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using System.Collections.Immutable;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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namespace NadekoBot.Modules.Gambling.Common.Connect4
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{
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public sealed class Connect4Game : IDisposable
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{
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public enum Phase
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{
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Joining, // waiting for second player to join
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P1Move,
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P2Move,
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Ended,
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}
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public enum Field //temporary most likely
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{
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Empty,
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P1,
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P2,
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}
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public enum Result
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{
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Draw,
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CurrentPlayerWon,
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OtherPlayerWon,
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}
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public const int NumberOfColumns = 7;
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public const int NumberOfRows = 6;
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public Phase CurrentPhase { get; private set; } = Phase.Joining;
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//state is bottom to top, left to right
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private readonly Field[] _gameState = new Field[NumberOfRows * NumberOfColumns];
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private readonly (ulong UserId, string Username)?[] _players = new(ulong, string)?[2];
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public ImmutableArray<Field> GameState => _gameState.ToImmutableArray();
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public ImmutableArray<(ulong UserId, string Username)?> Players => _players.ToImmutableArray();
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public (ulong UserId, string Username) CurrentPlayer => CurrentPhase == Phase.P1Move
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? _players[0].Value
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: _players[1].Value;
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public (ulong UserId, string Username) OtherPlayer => CurrentPhase == Phase.P2Move
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? _players[0].Value
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: _players[1].Value;
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//public event Func<Connect4Game, Task> OnGameStarted;
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public event Func<Connect4Game, Task> OnGameStateUpdated;
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public event Func<Connect4Game, Task> OnGameFailedToStart;
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public event Func<Connect4Game, Result, Task> OnGameEnded;
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private readonly SemaphoreSlim _locker = new SemaphoreSlim(1, 1);
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private readonly Options _options;
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private readonly ICurrencyService _cs;
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private readonly NadekoRandom _rng;
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private Timer _playerTimeoutTimer;
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/* [ ][ ][ ][ ][ ][ ]
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* [ ][ ][ ][ ][ ][ ]
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* [ ][ ][ ][ ][ ][ ]
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* [ ][ ][ ][ ][ ][ ]
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* [ ][ ][ ][ ][ ][ ]
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* [ ][ ][ ][ ][ ][ ]
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* [ ][ ][ ][ ][ ][ ]
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*/
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public Connect4Game(ulong userId, string userName, Options options, ICurrencyService cs)
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{
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_players[0] = (userId, userName);
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_options = options;
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_cs = cs;
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_rng = new NadekoRandom();
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for (int i = 0; i < NumberOfColumns * NumberOfRows; i++)
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{
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_gameState[i] = Field.Empty;
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}
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}
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public void Initialize()
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{
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if (CurrentPhase != Phase.Joining)
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return;
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var _ = Task.Run(async () =>
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{
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await Task.Delay(15000).ConfigureAwait(false);
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await _locker.WaitAsync().ConfigureAwait(false);
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try
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{
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if (_players[1] == null)
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{
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var __ = OnGameFailedToStart?.Invoke(this);
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CurrentPhase = Phase.Ended;
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await _cs.AddAsync(_players[0].Value.UserId, "Connect4-refund", _options.Bet, true).ConfigureAwait(false);
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return;
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}
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}
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finally { _locker.Release(); }
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});
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}
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public async Task<bool> Join(ulong userId, string userName, int bet)
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{
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await _locker.WaitAsync().ConfigureAwait(false);
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try
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{
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if (CurrentPhase != Phase.Joining) //can't join if its not a joining phase
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return false;
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if (_players[0].Value.UserId == userId) // same user can't join own game
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return false;
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if (bet != _options.Bet) // can't join if bet amount is not the same
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return false;
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if (!await _cs.RemoveAsync(userId, "Connect4-bet", bet, true).ConfigureAwait(false)) // user doesn't have enough money to gamble
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return false;
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if (_rng.Next(0, 2) == 0) //rolling from 0-1, if number is 0, join as first player
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{
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_players[1] = _players[0];
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_players[0] = (userId, userName);
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}
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else //else join as a second player
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_players[1] = (userId, userName);
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CurrentPhase = Phase.P1Move; //start the game
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_playerTimeoutTimer = new Timer(async state =>
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{
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await _locker.WaitAsync().ConfigureAwait(false);
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try
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{
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EndGame(Result.OtherPlayerWon, OtherPlayer.UserId);
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}
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finally { _locker.Release(); }
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}, null, TimeSpan.FromSeconds(_options.TurnTimer), TimeSpan.FromSeconds(_options.TurnTimer));
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var __ = OnGameStateUpdated?.Invoke(this);
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return true;
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}
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finally { _locker.Release(); }
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}
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public async Task<bool> Input(ulong userId, int inputCol)
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{
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await _locker.WaitAsync().ConfigureAwait(false);
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try
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{
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inputCol -= 1;
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if (CurrentPhase == Phase.Ended || CurrentPhase == Phase.Joining)
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return false;
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if (!((_players[0].Value.UserId == userId && CurrentPhase == Phase.P1Move)
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|| (_players[1].Value.UserId == userId && CurrentPhase == Phase.P2Move)))
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return false;
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if (inputCol < 0 || inputCol > NumberOfColumns) //invalid input
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return false;
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if (IsColumnFull(inputCol)) //can't play there event?
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return false;
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var start = NumberOfRows * inputCol;
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for (int i = start; i < start + NumberOfRows; i++)
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{
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if (_gameState[i] == Field.Empty)
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{
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_gameState[i] = GetPlayerPiece(userId);
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break;
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}
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}
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//check winnning condition
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// ok, i'll go from [0-2] in rows (and through all columns) and check upward if 4 are connected
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for (int i = 0; i < NumberOfRows - 3; i++)
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{
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if (CurrentPhase == Phase.Ended)
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break;
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for (int j = 0; j < NumberOfColumns; j++)
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{
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if (CurrentPhase == Phase.Ended)
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break;
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var first = _gameState[i + j * NumberOfRows];
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if (first != Field.Empty)
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{
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for (int k = 1; k < 4; k++)
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{
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var next = _gameState[i + k + j * NumberOfRows];
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if (next == first)
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{
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if (k == 3)
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EndGame(Result.CurrentPlayerWon, CurrentPlayer.UserId);
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else
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continue;
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}
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else break;
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}
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}
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}
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}
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// i'll go [0-1] in columns (and through all rows) and check to the right if 4 are connected
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for (int i = 0; i < NumberOfColumns - 3; i++)
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{
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if (CurrentPhase == Phase.Ended)
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break;
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for (int j = 0; j < NumberOfRows; j++)
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{
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if (CurrentPhase == Phase.Ended)
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break;
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var first = _gameState[j + i * NumberOfRows];
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if (first != Field.Empty)
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{
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for (int k = 1; k < 4; k++)
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{
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var next = _gameState[j + (i + k) * NumberOfRows];
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if (next == first)
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if (k == 3)
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EndGame(Result.CurrentPlayerWon, CurrentPlayer.UserId);
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else
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continue;
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else break;
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}
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}
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}
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}
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//need to check diagonal now
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for (int col = 0; col < NumberOfColumns; col++)
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{
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if (CurrentPhase == Phase.Ended)
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break;
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for (int row = 0; row < NumberOfRows; row++)
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{
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if (CurrentPhase == Phase.Ended)
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break;
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var first = _gameState[row + col * NumberOfRows];
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if (first != Field.Empty)
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{
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var same = 1;
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//top left
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for (int i = 1; i < 4; i++)
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{
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//while going top left, rows are increasing, columns are decreasing
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var curRow = row + i;
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var curCol = col - i;
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//check if current values are in range
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if (curRow >= NumberOfRows || curRow < 0)
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break;
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if (curCol < 0 || curCol >= NumberOfColumns)
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break;
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var cur = _gameState[curRow + curCol * NumberOfRows];
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if (cur == first)
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same++;
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else break;
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}
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if (same == 4)
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{
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EndGame(Result.CurrentPlayerWon, CurrentPlayer.UserId);
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break;
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}
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same = 1;
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//top right
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for (int i = 1; i < 4; i++)
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{
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//while going top right, rows are increasing, columns are increasing
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var curRow = row + i;
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var curCol = col + i;
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//check if current values are in range
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if (curRow >= NumberOfRows || curRow < 0)
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break;
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if (curCol < 0 || curCol >= NumberOfColumns)
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break;
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var cur = _gameState[curRow + curCol * NumberOfRows];
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if (cur == first)
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same++;
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else break;
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}
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if (same == 4)
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{
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EndGame(Result.CurrentPlayerWon, CurrentPlayer.UserId);
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break;
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}
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}
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}
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}
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//check draw? if it's even possible
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if (_gameState.All(x => x != Field.Empty))
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{
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EndGame(Result.Draw, null);
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}
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if (CurrentPhase != Phase.Ended)
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{
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if (CurrentPhase == Phase.P1Move)
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CurrentPhase = Phase.P2Move;
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else
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CurrentPhase = Phase.P1Move;
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ResetTimer();
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}
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var _ = OnGameStateUpdated?.Invoke(this);
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return true;
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}
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finally { _locker.Release(); }
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}
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private void ResetTimer()
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{
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_playerTimeoutTimer.Change(TimeSpan.FromSeconds(_options.TurnTimer), TimeSpan.FromSeconds(_options.TurnTimer));
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}
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private void EndGame(Result result, ulong? winId)
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{
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if (CurrentPhase == Phase.Ended)
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return;
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var _ = OnGameEnded?.Invoke(this, result);
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CurrentPhase = Phase.Ended;
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if (result == Result.Draw)
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{
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_cs.AddAsync(CurrentPlayer.UserId, "Connect4-draw", this._options.Bet, true);
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_cs.AddAsync(OtherPlayer.UserId, "Connect4-draw", this._options.Bet, true);
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return;
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}
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if (winId != null)
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_cs.AddAsync(winId.Value, "Connnect4-win", (long)(this._options.Bet * 1.98), true);
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}
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private Field GetPlayerPiece(ulong userId) => _players[0].Value.UserId == userId
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? Field.P1
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: Field.P2;
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//column is full if there are no empty fields
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private bool IsColumnFull(int column)
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{
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var start = NumberOfRows * column;
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for (int i = start; i < start + NumberOfRows; i++)
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{
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if (_gameState[i] == Field.Empty)
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return false;
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}
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return true;
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}
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public void Dispose()
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{
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OnGameFailedToStart = null;
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OnGameStateUpdated = null;
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OnGameEnded = null;
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_playerTimeoutTimer?.Change(Timeout.Infinite, Timeout.Infinite);
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}
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public class Options : INadekoCommandOptions
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{
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public void NormalizeOptions()
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{
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if (TurnTimer < 5 || TurnTimer > 60)
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TurnTimer = 15;
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if (Bet < 0)
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Bet = 0;
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}
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[Option('t', "turn-timer", Required = false, Default = 15, HelpText = "Turn time in seconds. It has to be between 5 and 60. Default 15.")]
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public int TurnTimer { get; set; } = 15;
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[Option('b', "bet", Required = false, Default = 0, HelpText = "Amount you bet. Default 0.")]
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public int Bet { get; set; } = 0;
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}
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}
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}
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