init basic signal player chinese chess game

Scripts/Entities/ChessBoard.cs

@@ -0,0 +1,100 @@
+// Chessboard.cs
+using Godot;
+
+public partial class ChessBoard : Node2D {
+	VirtualBoard Board = null;
+	MoveRecords Records = null;
+	// Called when the node enters the scene tree for the first time.
+	public Vector2 selectedNodePos = Vector2.Inf;
+	public override void _Ready() {
+		Board = new VirtualBoard(this as Node);
+		Records = new MoveRecords(onUndoRecordCallback: (newNode, oldNode, newPos, oldPos) => {
+			GD.Print("Undo: ", newNode, "->", newNode, ":", newPos, "->", oldPos);
+			ChessPiece newPiece = newNode as ChessPiece;
+			ChessPiece oldPiece = oldNode as ChessPiece;
+			Board.MoveNode(oldPos, newPos);
+			if (newPiece != null) {
+				Board.InsertNode(newPiece, newPos);
+			}
+			// if (oldPiece != null) {
+			// 	Board.RemoveNode(oldPos);
+			// }
+		});
+		Board.InitChessBoard();
+		// this.AddChild();
+	}
+
+	public override void _Input(InputEvent @event) {
+		if (@event is InputEventMouseButton mouseEvent &&
+			mouseEvent.Pressed &&
+			mouseEvent.ButtonIndex == MouseButton.Left) {
+			// HandleMouseClick(GetGlobalTransformWithCanvas().AffineInverse() * mouseButton.Position);
+			// HandleMouseClick(GetLocalMousePosition());
+			ActionPos(
+				(PosTrans.transArrToPix.AffineInverse() *
+				GetLocalMousePosition()).Round()
+			);
+		}
+	}
+
+	public void ActionPos(Vector2 clickArrPos) {
+		if (VirtualBoard.ArrPosOutOfRange(clickArrPos)) return;
+		GD.Print($"{clickArrPos} mouse clicked");
+		ChessPiece NowChess = Board.getNodeFromBoard(clickArrPos) as ChessPiece;
+        ChessPiece SelChess = Board.getNodeFromBoard(selectedNodePos) as ChessPiece;
+
+        if (Vector2.Inf.Equals(selectedNodePos)) {
+			if (NowChess == null) {
+				return;
+			}
+			NowChess.Selected();
+            GD.Print($"{clickArrPos} is selected");
+            selectedNodePos = clickArrPos;
+        } else if (selectedNodePos == clickArrPos) {
+			if (SelChess != null) {
+				SelChess.DeSelected();
+			}
+            GD.Print($"{selectedNodePos} is deselected");
+            selectedNodePos = Vector2.Inf;
+        } else {
+			GD.Print($"{selectedNodePos} move to {clickArrPos}");
+			if (SelChess != null) {
+				SelChess.DeSelected();
+            	GD.Print($"{selectedNodePos} is deselected");
+			}
+			Node NowNode;
+            if (NowChess != null) {
+				NowNode = NowChess.Duplicate();
+                Board.RemoveNode(clickArrPos);
+            } else {
+				NowNode = NowChess as Node;
+			}
+			Records.AddRecord(NowNode, SelChess, clickArrPos, selectedNodePos);
+            Board.MoveNode(clickArrPos, selectedNodePos);
+            selectedNodePos = Vector2.Inf;
+			// GD.Print($"End: {selectedNodePos} {SelChess} move to {clickArrPos} {NowChess}");
+        }
+    }
+
+	public void undo() {
+		Records.Undo();
+	}
+
+	public void redo() {
+		Records.Clear();
+		Board.Clear();
+		Board.InitChessBoard();
+	}
+
+	private void HandleMouseClick(Vector2 clickPosition) {
+
+		// 如果有棋子被选中，则进行后续操作
+		// if (nowSelectedChess == null) {
+		// 	seletedNode = null;
+		// } else if (nowSelectedChess != null && seletedNode != null) {
+		// 	if (seletedNode is ChessPiece chessPiece) MoveChess(arrayPos, chessPiece.arrPos);
+		// }
+	}
+
+	
+}