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refactor(chess): 重构象棋程序基础结构,使用Nullable重构核心代码

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- 更新了多个文件的代码结构和类型定义，提高了代码的健壮性和可维护性
- 优化了事件处理、棋子管理和移动逻辑，为后续功能扩展打下坚实基础
- 修复了一些潜在的空指针异常问题，提高了程序的稳定性
- 修复部分bug
This commit is contained in:
ZZY
2024-11-22 23:51:32 +08:00
parent 9c619784af
commit 327c2df94d
19 changed files with 307 additions and 117 deletions
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20
Scripts/Src/ChineseChess/CCPiece.cs
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@ -7,7 +7,7 @@ using Vector;
using static ChineseChess.ChessCore;
public class CCPiece : AbstractPiece {
public string CNName { get; protected set; }
public string CNName { get; protected set; } = "unknown";
public TurnsSideType TurnsSide { get; }
protected CCBoard board;
protected Vector2I localPos = new();
@ -16,14 +16,15 @@ public class CCPiece : AbstractPiece {
new(new Vector2I(1, 0), new Vector2I(0, -1), new Vector2I(-4, 9));
static readonly Trans2DI transBlackGlobal2Local =
new(new Vector2I(-1, 0), new Vector2I(0, 1), new Vector2I(4, 0));
public CCPiece(CCBoard board = null, TurnsSideType turnsSide = TurnsSideType.Red,
string name = "", Vector2I pos = null) : base(name) {
this.board = board;
public CCPiece(CCBoard? board = null, TurnsSideType turnsSide = TurnsSideType.Red,
string name = "", Vector2I? pos = null) : base(name) {
this.board = board ?? new();
TurnsSide = turnsSide;
OnPos += (sender, args) => {
localPos = Global2Local(Pos);
};
Pos = pos != null ? Local2Global(pos) : Vector2I.Zero;
Pos = pos is not null ? Local2Global(pos) : Vector2I.Zero;
localPos = Global2Local(Pos);
}
public override bool CanMove(Vector2I to) {
@ -38,8 +39,8 @@ public class CCPiece : AbstractPiece {
return TurnsSide == TurnsSideType.Red ? (transRedGlobal2Local * pos) : (transBlackGlobal2Local * pos);
}
protected CCPiece GetCCPieceLocal(in Vector2I pos) {
return (CCPiece)board.GetPiece(Local2Global(pos));
protected CCPiece? GetCCPieceLocal(in Vector2I pos) {
return (CCPiece?)board.GetPiece(Local2Global(pos));
}
public virtual List<Vector2I> CanMoveAllPosSelf() {
@ -49,7 +50,8 @@ public class CCPiece : AbstractPiece {
public IEnumerable<Vector2I> CanMoveAllPosLocal() {
var self = CanMoveAllPosSelf().Select(item => item + localPos);// 转换局部坐标
var ret = self.Where(item => {
bool ret = GetCCPieceLocal(item) == null || GetCCPieceLocal(item).TurnsSide != TurnsSide;
CCPiece? piece = GetCCPieceLocal(item);
bool ret = piece is null || piece.TurnsSide != TurnsSide;
// Console.WriteLine($"{item} can move: {ret}");
return ret;
}); // 过滤无效位置
@ -71,7 +73,7 @@ public class CCPiece : AbstractPiece {
return board.IsPosOutOfRange(Local2Global(pos));
}
protected CCPiece GetRecursivePieceLocal(Vector2I origin, Vector2I pos) {
protected CCPiece? GetRecursivePieceLocal(Vector2I origin, Vector2I pos) {
Vector2I with = origin + pos;
while (!IsPosOutOfRangeLocal(with) && GetCCPieceLocal(with) == null) {
with += pos;