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/ChessBoard.cs

@@ -4,12 +4,14 @@ using Godot;
 using ChineseChess;
 using Godot.Collections;
 
-public partial class ChessBoard : Node2D {
-    public event EventHandler<Vector2> OnMouseClicked;
-	public event EventHandler<Vector2> OnPosClicked;
+using static IBoard;
+public partial class ChessBoard : Node2D, ICCBoardOn {
+    public event EventHandler<Vector2>? OnMouseClicked;
+	public event EventHandler<Vector2>? OnPosClicked;
+	public event EventHandler<int>? OnStepsChanged;
 
 	public Vector2 from = Vector2.Inf, to = Vector2.Inf;
-	public Array<Vector2> canMovePos = new();
+	public Array<Vector2> canMovePos = [];
 
 	public override void _Ready() {
 	}
@@ -19,29 +21,39 @@ public partial class ChessBoard : Node2D {
 		QueueRedraw();
 	}
 
-	public void LoadBoard(CCBoard board) {
-		board.OnRemove += (sender, piece) => {
-			if (piece?.Data.TryGetValue("Godot", out object node) ?? false) {
-				RemoveChild(node as Node);
-			}
-		};
+	void IBoardOn.OnInsert(object self, IPiece piece) {
+		ChessPiece? node = piece.On as ChessPiece;
+        // throw new InvalidOperationException();
+        node ??= new ChessPiece((CCPiece)piece);
+		node.ShowBehindParent = true;
+        AddChild(node);
 
-		board.OnInsert += (sender, piece) => {
-			ChessPiece chessPiece = null;
-			if (piece.Data.TryGetValue("Godot", out object node)) {
-				chessPiece = node as ChessPiece;
-			} else {
-				chessPiece = new((CCPiece)piece);
-			}
-			chessPiece.ShowBehindParent = true;
-			AddChild(chessPiece);
-		};
+			// ChessPiece chessPiece = null;
+			// if (piece.Data.TryGetValue("Godot", out object node)) {
+			// 	chessPiece = node as ChessPiece;
+			// } else {
+			// 	chessPiece = new((CCPiece)piece);
+			// }
+			// chessPiece.ShowBehindParent = true;
+			// AddChild(chessPiece);
+	}
 
-		board.OnMove += (sender, vals) => {
-			from = PosTrans.transArrToPix * new Vector2(vals.From.X, vals.From.Y);
-			to = PosTrans.transArrToPix * new Vector2(vals.To.X, vals.To.Y);
-			QueueRedraw();
-		};
+	void IBoardOn.OnRemove(object self, IPiece piece) {
+		if (piece.On is not ChessPiece node) {
+			throw new InvalidOperationException();
+		}
+		RemoveChild(node);
+	}
+
+	void IBoardOn.OnMove(object self, IBoardOn.MoveEventArgs vals) {
+		from = PosTrans.transArrToPix * new Vector2(vals.From.X, vals.From.Y);
+		to = PosTrans.transArrToPix * new Vector2(vals.To.X, vals.To.Y);
+		QueueRedraw();
+	}
+
+	void ICCBoardOn.OnSteps(object _self, int oldSteps) {
+		if (_self is not CCBoard self) return;
+		OnStepsChanged?.Invoke(self, self.Steps);
 	}
 
 	public override void _Draw() {