refactor(重构): 重构了事件驱动的代码体系,使用全新命名和版本,以及测试套件的初试

- 移除了.csproj文件
- 更新了.gitignore，添加了.editorconfig
- 重构了IBoard和IPiece接口，引入了新的事件处理机制
- 优化了CCBoard、CCPiece等类的实现，使用新的事件驱动模型
- 删除了冗余代码，提高了代码的可读性和可维护性

Scripts/Entities/ChessPiece.cs

@@ -4,37 +4,31 @@ using ChineseChess;
 using System.Linq;
 using System;
 
-public partial class ChessPiece : Sprite2D {
+using static IPiece;
+public partial class ChessPiece : Sprite2D, IPieceOn {
     [Export]
-    public string PieceLabel { get; set; } = null;
+    public string? PieceLabel { get; set; } = null;
     // Text Color (Can Export for Editor Adjust)
     [Export]
     public Color LabelColor { get; set; } = new Color("white");
     private Vector2 textureSize;
+    private Label? labelOfChessName;
 
-    private Label labelOfChessName;
-    private readonly IPiece piece;
-
-    public IPiece GetVirtualPiece() {
-        return piece;
-    }
-
-    private void OnPos(object _self, Vector.Vector2I oldPos) {
-        CCPiece self = (CCPiece)_self;
+    void IPieceOn.OnPos(object _self, Vector.Vector2I oldPos) {
+        if (_self is not CCPiece self) return;
         Position = ChessBoard.PosTrans.transArrToPix * new Vector2(self.Pos.X, self.Pos.Y);
     }
 
-    public void OnSelected(object _self, bool oldIsSelected) {
-        CCPiece self = (CCPiece)_self;
-        ChessBoard chessBoard = GetParent() as ChessBoard;
+    void IPieceOn.OnSelected(object _self, bool oldIsSelected) {
+        if (GetParent() is not ChessBoard chessBoard || _self is not CCPiece self) return;
         if (self.IsSelected) {
-            GD.Print($"{piece.Pos} is selected");
+            GD.Print($"{self.Pos} is selected");
             Transform *= transToSeleted;
             foreach (var item in self.CanMoveAllPos()) {
                 chessBoard.canMovePos.Add(ChessBoard.PosTrans.transArrToPix * new Vector2(item.X, item.Y));
             }
         } else {
-            GD.Print($"{piece.Pos} is deselected");
+            GD.Print($"{self.Pos} is deselected");
             Transform *= transToSeleted.AffineInverse();
             foreach (var item in self.CanMoveAllPos()) {
                 chessBoard.canMovePos.Remove(ChessBoard.PosTrans.transArrToPix * new Vector2(item.X, item.Y));
@@ -49,17 +43,15 @@ public partial class ChessPiece : Sprite2D {
 		new Vector2(0, 0)
 	);
 
-    public ChessPiece() : this(new CCPiece()){
+    public ChessPiece() : this(new CCPiece()) {
     }
 
     public ChessPiece(CCPiece piece) {
         PieceLabel = piece.CNName;
-        this.piece = piece;
         LabelColor = piece.TurnsSide == ChessCore.TurnsSideType.Red ? new Color("red") : new Color("black");
-        piece.OnPos +=  OnPos;
-        piece.OnSelected += OnSelected;
+        piece.On = this;
         // Must Be Call for init Pos
-        OnPos(piece, piece.Pos);
+        piece.On.OnPos(piece, piece.Pos);
         piece.Data.TryAdd("Godot", this);
     }