logic

2026-03-30 07:49:37 +02:00
parent 9440351bc0
commit bc4118704e
21 changed files with 1785 additions and 124 deletions
@@ -0,0 +1,126 @@
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+using System.Windows.Shapes;
+
+namespace CheckersSpielBot
+{
+    public class BoardRenderer
+    {
+        // Frozen brushes — allocated once
+        private static readonly SolidColorBrush BrushLightSquare = MakeBrush(0xEE, 0xEE, 0xEE);
+        private static readonly SolidColorBrush BrushDarkSquare = MakeBrush(0x66, 0x66, 0x66);
+        private static readonly SolidColorBrush BrushSelected = MakeBrush(0xFF, 0xD7, 0x00);
+        private static readonly SolidColorBrush BrushValidMove = MakeBrush(0x4C, 0xAF, 0x50);
+        private static readonly SolidColorBrush BrushMandatory = MakeBrush(0xFF, 0x60, 0x00);
+        private static readonly SolidColorBrush BrushRedPiece = MakeBrush(0xB4, 0x1E, 0x1E);
+        private static readonly SolidColorBrush BrushBluePiece = MakeBrush(0x1E, 0x1E, 0xB4);
+        private static readonly SolidColorBrush BrushKingStar = new SolidColorBrush(Colors.Gold);
+
+        private static SolidColorBrush MakeBrush(byte r, byte g, byte b)
+        {
+            var br = new SolidColorBrush(Color.FromRgb(r, g, b));
+            br.Freeze();
+            return br;
+        }
+
+        private readonly MainWindow _window;
+        private readonly GameService _game;
+
+        public BoardRenderer(MainWindow window, GameService game)
+        {
+            _window = window;
+            _game = game;
+        }
+
+        public void RenderBoard(int selectedRow, int selectedCol,
+                                bool hasPieceSelected, bool isChainJumpActive)
+        {
+            for (int row = 0; row < 8; row++)
+                for (int col = 0; col < 8; col++)
+                    RenderCell(row, col, selectedRow, selectedCol,
+                               hasPieceSelected, isChainJumpActive);
+
+            UpdatePieceCounts();
+        }
+
+        private void RenderCell(int row, int col,
+                                int selectedRow, int selectedCol,
+                                bool hasPieceSelected, bool isChainJumpActive)
+        {
+            Button btn = GetCellButton(row, col);
+            if (btn == null) return;
+
+            btn.Background = ResolveCellBackground(row, col, selectedRow, selectedCol,
+                                                   hasPieceSelected, isChainJumpActive);
+            btn.Content = BuildPieceVisual(_game.Board[row, col]);
+        }
+
+        private SolidColorBrush ResolveCellBackground(int row, int col,
+                                                      int selectedRow, int selectedCol,
+                                                      bool hasPieceSelected,
+                                                      bool isChainJumpActive)
+        {
+            if (hasPieceSelected && selectedRow == row && selectedCol == col)
+                return BrushSelected;
+
+            if (hasPieceSelected && !isChainJumpActive && IsValidMoveTarget(row, col, selectedRow, selectedCol))
+                return BrushValidMove;
+
+            if (!hasPieceSelected && _game.MandatoryCapturePieces.Contains((row, col)))
+                return BrushMandatory;
+
+            return BoardHelper.IsPlayableSquare(row, col) ? BrushDarkSquare : BrushLightSquare;
+        }
+
+        private bool IsValidMoveTarget(int row, int col, int selectedRow, int selectedCol)
+        {
+            return _game.GetLegalMoves(selectedRow, selectedCol, capturesOnly: false)
+                        .Exists(m => m.DestinationRow == row && m.DestinationCol == col);
+        }
+
+        private static UIElement? BuildPieceVisual(int piece)
+        {
+            if (piece == 0) return null;
+
+            bool isRed = BoardHelper.IsRedPiece(piece);
+            bool isKing = BoardHelper.IsKing(piece);
+
+            var circle = new Ellipse
+            {
+                Width = 42,
+                Height = 42,
+                Fill = isRed ? BrushRedPiece : BrushBluePiece,
+                HorizontalAlignment = HorizontalAlignment.Center,
+                VerticalAlignment = VerticalAlignment.Center
+            };
+
+            var grid = new Grid();
+            grid.Children.Add(circle);
+
+            if (isKing)
+            {
+                grid.Children.Add(new TextBlock
+                {
+                    Text = "★",
+                    FontSize = 16,
+                    Foreground = BrushKingStar,
+                    HorizontalAlignment = HorizontalAlignment.Center,
+                    VerticalAlignment = VerticalAlignment.Center
+                });
+            }
+
+            return grid;
+        }
+
+        private void UpdatePieceCounts()
+        {
+            var (red, blue) = _game.GetPieceCounts();
+            _window.RedScoreText.Text = $"Red:  {red}";
+            _window.BlueScoreText.Text = $"Blue: {blue}";
+        }
+
+        private Button GetCellButton(int row, int col) =>
+            (Button)_window.FindName($"Cell_{row}_{col}");
+    }
+}