chinese_chess/Scripts/Src/VirtualPiece.cs

using Vector2 = Godot.Vector2;
using System;

public class VirtualPiece  {
    private Vector2 pos; // 注意这个坐标的非像素坐标而是棋盘坐标
    
    public readonly string name;
    private bool isSelected;
    public object data;

    public event Action<Vector2> OnMove;
    public event Action<bool> OnSelected;

    public void Move(Vector2 pos) {
        this.pos = pos;
        OnMove?.Invoke(pos);
    }

    public Vector2 Pos() {
        return pos;
    }

    public void Selected(bool isSelected) {
        if (this.isSelected != isSelected) {
            OnSelected?.Invoke(isSelected);
            this.isSelected = isSelected;
        }
    }

    public bool IsSelected() {
        return isSelected;
    }

    public VirtualPiece(string name = "", Vector2 pos = new Vector2()) {
        this.name = name;
        this.pos = pos;
    }
}