feat(chess): 初始化棋盘和玩家颜色,优化代码结构,重构多人游戏代码

- 在 ChessGame 中初始化棋盘，根据玩家颜色设置棋子
- 更新 UI 显示玩家颜色
- 调整棋盘位置和 UI 布局
- 重构部分代码以提高可读性和维护性

Scripts/Entities/ChessBoard.cs

@@ -9,6 +9,7 @@ public partial class ChessBoard : Node2D {
 	public delegate bool ChessMoveFunc(Vector2 toPos, Vector2 fromPos);
 	// public Callable chessMoveFunc { get; set; }
     public event EventHandler<Vector2> OnMouseClicked;
+	public event EventHandler<Vector2> OnPosClicked;
 
 	public override void _Ready() {
 		board = new VirtualBoard(9, 10);
@@ -29,8 +30,6 @@ public partial class ChessBoard : Node2D {
 		// board.OnMove += (sender, args) => {
 		// 	// chessMoveFunc.Call(args.To, args.From);
 		// };
-
-		InitChessBoard();
 	}
 	
 	public override void _Input(InputEvent @event) {
@@ -40,6 +39,8 @@ public partial class ChessBoard : Node2D {
 			// HandleMouseClick(GetGlobalTransformWithCanvas().AffineInverse() * mouseButton.Position);
 			
             OnMouseClicked?.Invoke(this, GetLocalMousePosition());
+			OnPosClicked?.Invoke(this, (PosTrans.transArrToPix.AffineInverse() *
+				GetLocalMousePosition()).Round());
 		}
 	}
 
@@ -49,32 +50,4 @@ public partial class ChessBoard : Node2D {
 		// piece.Move(vector);
 		board.SetPiecePos(piece, arrayPos);
 	}
-
-	public void InitChessBoard() {
-        InitializePieces("black", 0, new[] {
-        ("车", 0, 0), ("马", 1, 0), ("象", 2, 0),
-		("士", 3, 0), ("将", 4, 0), ("士", 5, 0),
-		("象", 6, 0), ("马", 7, 0), ("车", 8, 0),
-        ("炮", 1, 2), ("炮", 7, 2),
-        ("卒", 0, 3), ("卒", 2, 3), ("卒", 4, 3), ("卒", 6, 3), ("卒", 8, 3)
-    	});
-
-        InitializePieces("red", 9, new[] {
-        ("车", 0, -0), ("马", 1, -0), ("象", 2, -0),
-		("士", 3, -0), ("将", 4, -0), ("士", 5, -0),
-		("象", 6, -0), ("马", 7, -0), ("车", 8, -0),
-        ("炮", 1, -2), ("炮", 7, -2),
-        ("卒", 0, -3), ("卒", 2, -3), ("卒", 4, -3), ("卒", 6, -3), ("卒", 8, -3)
-    	});
-    }
-
-    private void InitializePieces(string color, int baseY, (string label, int x, int y)[] positions) {
-        foreach (var (label, x, y) in positions) {
-            ChessPiece piece = new ChessPiece {
-                PieceLabel = label,
-                LabelColor = new Color(color)
-            };
-            InsertNode(piece, new Vector2(x, baseY + y));
-        }
-    }
 }

Scripts/Entities/ChessPiece.cs

@@ -31,7 +31,7 @@ public partial class ChessPiece : Sprite2D {
         }
     }
 
-    Transform2D transToSeleted = new Transform2D(
+    Transform2D transToSeleted = new(
 		new Vector2(1.2f, 0),
 		new Vector2(0, 1.2f),
 		new Vector2(0, 0)