1. 增加 自绘棋盘方法

ChineseChess.Core/ChessMove.cs

@@ -5,6 +5,16 @@
     /// </summary>
     public class ChessMove
     {
+        public ChessMove(ChessCamp camp, ChessType chess, ChessType? killed, ChessboardPosition start, ChessboardPosition end, string text)
+        {
+            Camp=camp;
+            Chess=chess;
+            Killed=killed;
+            Start=start;
+            End=end;
+            Text=text;
+        }
+
         /// <summary>
         /// 阵营
         /// </summary>

ChineseChess/CGame.cs

@@ -50,13 +50,29 @@ namespace ChineseChess
 
         protected override void OnClick(EventArgs e)
         {
-            Chessman selected = null;
+            try
-            if (_CurrMouseOverPos.HasValue)
-                selected = _Game.Chessboard.GetChessmanByPos(_CurrMouseOverPos.Value);
-            if (_CurrSelectedChessman != selected)
             {
-                _CurrSelectedChessman = selected;
+                Chessman selected = null;
-                Invalidate();
+                if (_CurrMouseOverPos.HasValue)
+                    selected = _Game.Chessboard.GetChessmanByPos(_CurrMouseOverPos.Value);
+                if (_CurrSelectedChessman == null)
+                {
+                    if (selected != null)
+                    {
+                        _CurrSelectedChessman = selected;
+                        Invalidate();
+                    }
+                }
+                else if (_CurrSelectedChessman != selected)
+                {
+                    _Game.Chessboard.PushMove(new ChessMove(_CurrSelectedChessman.Camp, _CurrSelectedChessman.Type, selected?.Type, _CurrSelectedChessman.Position, _CurrMouseOverPos.Value, string.Empty));
+                    _CurrSelectedChessman = null;
+                    Invalidate();
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "异常", MessageBoxButtons.OK, MessageBoxIcon.Error);
             }
             base.OnClick(e);
         }
@@ -71,6 +87,95 @@ namespace ChineseChess
             DrawImageByCentre(g, _ResHelper.GetChessmanBitmap(chessman.Type, chessman.Camp), GetChessboardGridPoint(pos));
         }
 
+        private void DrawChessborad(Graphics g, Rectangle rect, Pen pen)
+        {
+            Size blockCount = new Size(8, 9);
+            Size cellSize = new Size(rect.Width / blockCount.Width, rect.Height / blockCount.Height);
+            Point begin = default, end = default;
+
+            // 绘制横线
+            begin.X = rect.Left;
+            end.X = rect.Right;
+            for (int i = 0; i <= blockCount.Height; i++)
+            {
+                end.Y = begin.Y = rect.Top + cellSize.Height * i;
+                g.DrawLine(pen, begin, end);
+            }
+
+            // 绘制纵线
+            begin.Y = rect.Top;
+            end.Y = rect.Bottom;
+            g.DrawLine(pen, rect.Left, begin.Y, rect.Left, end.Y);
+            g.DrawLine(pen, rect.Right, begin.Y, rect.Right, end.Y);
+            int upEndY = rect.Top + cellSize.Height * (blockCount.Height / 2);
+            int dnBegY = rect.Top + cellSize.Height * (blockCount.Height / 2 + 1);
+            for (int i = 1; i < blockCount.Width; i++)
+            {
+                begin.X = end.X = rect.Left + cellSize.Width * i;
+                g.DrawLine(pen, begin.X, begin.Y, end.X, upEndY);
+                g.DrawLine(pen, begin.X, dnBegY, end.X, end.Y);
+            }
+
+            // 绘制斜线
+            Point centerPoint = new Point(rect.Left + rect.Width / 2, rect.Top + cellSize.Height);
+            int left = centerPoint.X - cellSize.Width;
+            int right = centerPoint.X + cellSize.Width;
+            int up = centerPoint.Y - cellSize.Height;
+            int down = centerPoint.Y + cellSize.Height;
+            g.DrawLine(pen, left, up, right, down);
+            g.DrawLine(pen, right, up, left, down);
+
+            centerPoint.Y = rect.Bottom - cellSize.Height;
+            up = centerPoint.Y - cellSize.Height;
+            down = centerPoint.Y + cellSize.Height;
+            g.DrawLine(pen, left, up, right, down);
+            g.DrawLine(pen, right, up, left, down);
+
+            // 绘制对位
+            Size offsetSize = new Size(cellSize.Width / 10, cellSize.Height / 10);
+            Point[] begOffset = new Point[4]
+            {
+                new Point(-offsetSize.Width, -offsetSize.Height),
+                new Point(offsetSize.Width,  -offsetSize.Height),
+                new Point(offsetSize.Width,  offsetSize.Height),
+                new Point(-offsetSize.Width, offsetSize.Height),
+            };
+            Size lineSize = new Size(cellSize.Width / 5, cellSize.Height / 5);
+            Point[,] endOffsets = new Point[4, 2]
+            {
+                { new Point(0, -lineSize.Height), new Point(-lineSize.Width, 0) },
+                { new Point(0, -lineSize.Height), new Point(lineSize.Width, 0)  },
+                { new Point(0, lineSize.Height),  new Point(lineSize.Width, 0)  },
+                { new Point(0, lineSize.Height),  new Point(-lineSize.Width, 0) },
+            };
+
+            void drawTarget(Point point)
+            {
+                for (int i = 0; i < 4; i++)
+                {
+                    begin = new Point(point.X + begOffset[i].X, point.Y + begOffset[i].Y);
+                    for (int j = 0; j < 2; j++)
+                    {
+                        end = new Point(begin.X + endOffsets[i, j].X, begin.Y + endOffsets[i, j].Y);
+                        if (rect.Contains(begin) && rect.Contains(end))
+                            g.DrawLine(pen, begin, end);
+                    }
+                }
+            }
+
+            // 画卒线 兵位
+            for (int i = 0; i < 5; i++)
+            {
+                drawTarget(new Point(rect.Left + i*2 * cellSize.Width, rect.Top + 3 * cellSize.Height));
+                drawTarget(new Point(rect.Left + i*2 * cellSize.Width, rect.Top + 6 * cellSize.Height));
+            }
+            // 画三线 炮位
+            drawTarget(new Point(rect.Left + cellSize.Width, rect.Top + 2 * cellSize.Height));
+            drawTarget(new Point(rect.Right - cellSize.Width, rect.Top + 2 * cellSize.Height));
+            drawTarget(new Point(rect.Left + cellSize.Width, rect.Bottom - 2 * cellSize.Height));
+            drawTarget(new Point(rect.Right - cellSize.Width, rect.Bottom - 2 * cellSize.Height));
+        }
+
         private Point GetChessboardGridPoint(ChessboardPosition position)
         {
             return new Point(position.Col * _ResHelper.ChessboardCellSize.Width + _ResHelper.ChessboardOffset.Width,
@@ -98,6 +203,8 @@ namespace ChineseChess
 
         protected override void OnPaintBackground(PaintEventArgs pevent)
         {
+            //pevent.Graphics.FillRectangle(Brushes.White, pevent.ClipRectangle);
+            //DrawChessborad(pevent.Graphics, new Rectangle(((Point)_ResHelper.ChessboardOffset), _ResHelper.ChessboardGridSize), Pens.Black);
             pevent.Graphics.DrawImage(_ChessboardBitmap, 0, 0, _ChessboardBitmap.Width, _ChessboardBitmap.Height);
         }
     }