logic
This commit is contained in:
abdelaziz
@@ -1,12 +1,266 @@
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using System.Windows;
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using System.ComponentModel;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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namespace CheckersSpielBot
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{
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public partial class MainWindow : Window
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{
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private readonly GameService _game;
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private readonly BoardRenderer _renderer;
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private readonly DatabaseService _db = new();
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private AiService _ai;
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private int _humanPlayer = 1;
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private int _aiPlayer = 2;
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private bool _gameEnded = false;
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private int _selectedRow = -1;
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private int _selectedCol = -1;
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private bool _hasPieceSelected = false;
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private bool _isAiThinking = false;
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public MainWindow()
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{
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InitializeComponent();
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_game = new GameService();
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_renderer = new BoardRenderer(this, _game);
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_ai = new AiService(_aiPlayer);
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InitializeNewGame();
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}
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#region Setup
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private void InitializeNewGame()
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{
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// End previous game as draw if it wasn't finished
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if (PlayerSession.CurrentGameId != -1 && !_gameEnded)
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_db.EndGame(PlayerSession.CurrentGameId, "draw");
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_gameEnded = false;
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GameModeDialog dialog = new GameModeDialog();
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dialog.ShowDialog();
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if (dialog.HumanGoesFirst)
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{
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_humanPlayer = 1;
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_aiPlayer = 2;
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}
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else
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{
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_humanPlayer = 2;
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_aiPlayer = 1;
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}
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_ai = new AiService(_aiPlayer);
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string wentFirst = dialog.HumanGoesFirst ? "player" : "bot";
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PlayerSession.CurrentGameId = _db.StartGame(PlayerSession.PlayerId, wentFirst);
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_game.InitializeNewGame();
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ClearSelection();
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RenderBoard();
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RefreshStatusBar();
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if (_game.ActivePlayer == _aiPlayer) { TriggerAiTurnAsync(); }
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}
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#endregion
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#region Input
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private void CellClick(object sender, RoutedEventArgs e)
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{
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if (_isAiThinking) return;
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if (_game.ActivePlayer != _humanPlayer) return;
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if (sender is not Button btn || btn.Tag == null) return;
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ParseCellTag(btn.Tag.ToString()!, out int row, out int col);
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if (_game.IsChainJumpActive) { HandleChainJumpClick(row, col); return; }
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if (_hasPieceSelected) HandleSecondClick(row, col);
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else HandleFirstClick(row, col);
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}
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private void HandleFirstClick(int row, int col)
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{
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int piece = _game.Board[row, col];
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if (!_game.BelongsToActivePlayer(piece)) return;
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if (_game.MandatoryCapturePieces.Count > 0 && !_game.MandatoryCapturePieces.Contains((row, col))) return;
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if (_game.GetLegalMoves(row, col, capturesOnly: false).Count == 0) return;
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_selectedRow = row;
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_selectedCol = col;
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_hasPieceSelected = true;
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RenderBoard();
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}
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private void HandleSecondClick(int row, int col)
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{
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int piece = _game.Board[row, col];
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if (_game.BelongsToActivePlayer(piece))
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{
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bool blockedByCapture = _game.MandatoryCapturePieces.Count > 0
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&& !_game.MandatoryCapturePieces.Contains((row, col));
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if (!blockedByCapture && _game.GetLegalMoves(row, col, capturesOnly: false).Count > 0)
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{
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_selectedRow = row;
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_selectedCol = col;
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RenderBoard();
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}
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return;
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}
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var legalMoves = _game.GetLegalMoves(_selectedRow, _selectedCol, capturesOnly: false);
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var chosen = legalMoves.Find(m => m.DestinationRow == row && m.DestinationCol == col);
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if (chosen != null) { ProcessMoveResult(_game.ExecuteMove(_selectedRow, _selectedCol, chosen)); }
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}
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private void HandleChainJumpClick(int row, int col)
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{
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if (row == _game.ChainJumpRow && col == _game.ChainJumpCol) return;
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var jumps = _game.GetLegalMoves(_game.ChainJumpRow, _game.ChainJumpCol, capturesOnly: true);
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var chosen = jumps.Find(m => m.DestinationRow == row && m.DestinationCol == col);
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if (chosen != null) { ProcessMoveResult(_game.ExecuteMove(_game.ChainJumpRow, _game.ChainJumpCol, chosen)); }
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}
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#endregion
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#region MoveResult
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private void ProcessMoveResult(MoveResult result)
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{
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ClearSelection();
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switch (result.Type)
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{
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case MoveResult.ResultType.ChainJumpRequired:
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if (_game.ActivePlayer == _aiPlayer)
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{
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TriggerAiTurnAsync();
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return;
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}
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_hasPieceSelected = true;
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_selectedRow = _game.ChainJumpRow;
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_selectedCol = _game.ChainJumpCol;
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RenderBoard();
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StatusText.Text = "Chain jump — must continue!";
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break;
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case MoveResult.ResultType.Victory:
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RenderBoard();
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AnnounceWinner(result.Victor);
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break;
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case MoveResult.ResultType.TurnAdvanced:
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RenderBoard();
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RefreshStatusBar();
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if (_game.ActivePlayer == _aiPlayer) { TriggerAiTurnAsync(); }
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break;
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}
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}
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#endregion
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#region AI
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private async void TriggerAiTurnAsync()
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{
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_isAiThinking = true;
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StatusText.Text = "Bot is thinking...";
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int[,] boardSnapshot = (int[,])_game.Board.Clone();
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Move? bestMove = await Task.Run(() => _ai.GetBestMove(boardSnapshot));
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_isAiThinking = false;
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if (bestMove == null)
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{
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AnnounceWinner(_humanPlayer);
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return;
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}
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int originRow = -1, originCol = -1;
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for (int r = 0; r < 8 && originRow == -1; r++)
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{
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for (int c = 0; c < 8 && originRow == -1; c++)
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{
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if (!BoardHelper.BelongsToPlayer(_game.Board[r, c], _aiPlayer)) continue;
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var moves = _game.GetLegalMoves(r, c, capturesOnly: true);
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if (moves.Count == 0) { moves = _game.GetLegalMoves(r, c, capturesOnly: false); }
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if (moves.Exists(m => m.DestinationRow == bestMove.DestinationRow &&
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m.DestinationCol == bestMove.DestinationCol &&
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m.CapturedPieceRow == bestMove.CapturedPieceRow &&
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m.CapturedPieceCol == bestMove.CapturedPieceCol))
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{
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originRow = r;
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originCol = c;
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}
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}
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}
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if (originRow == -1) return;
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ProcessMoveResult(_game.ExecuteMove(originRow, originCol, bestMove));
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}
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#endregion
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#region UI
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private void RenderBoard()
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{
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_renderer.RenderBoard(_selectedRow, _selectedCol, _hasPieceSelected, _game.IsChainJumpActive);
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}
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private void ClearSelection()
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{
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_hasPieceSelected = false;
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_selectedRow = -1;
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_selectedCol = -1;
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}
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private void RefreshStatusBar()
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{
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if (_game.ActivePlayer == _aiPlayer)
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{
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StatusText.Text = "Bot's turn";
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return;
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}
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string hint = _game.MandatoryCapturePieces.Count > 0 ? " — Capture is mandatory!" : "";
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StatusText.Text = $"Your turn{hint}";
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}
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private void AnnounceWinner(int victor)
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{
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_gameEnded = true;
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string winnerStr = victor == _humanPlayer ? "player" : "bot";
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_db.EndGame(PlayerSession.CurrentGameId, winnerStr);
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string message = victor == _humanPlayer ? "You win!" : "Bot wins!";
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StatusText.Text = message;
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MessageBox.Show(message, "Game Over", MessageBoxButton.OK, MessageBoxImage.None);
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}
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private void History_Click(object sender, RoutedEventArgs e)
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{
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var dialog = new HistoryDialog();
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dialog.ShowDialog();
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}
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private void Window_Closing(object sender, CancelEventArgs e)
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{
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if (PlayerSession.CurrentGameId != -1 && !_gameEnded)
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_db.EndGame(PlayerSession.CurrentGameId, "draw");
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}
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private static void ParseCellTag(string tag, out int row, out int col)
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{
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var parts = tag.Split(',');
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row = int.Parse(parts[0]);
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col = int.Parse(parts[1]);
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}
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private void NewGame(object sender, RoutedEventArgs e) { InitializeNewGame(); }
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#endregion
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}
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}
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