feat(chinese-chess): 实现中国象棋核心逻辑和基本功能
- 抽象出 ChessCore 类，包含游戏初始化、行棋逻辑、悔棋等功能 - 重构 Player 类，优化行棋和记录逻辑 - 更新 ChessBoard 和 ChessPiece 类，适应新逻辑 - 移除冗余代码，提高代码可读性和可维护性
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@ -0,0 +1,154 @@
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using Vector2 = Godot.Vector2;
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using System;
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using System.Collections;
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namespace ChineseChess;
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class ChessCore {
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public enum Mode {
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SingleMode,
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MultiMode,
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DebugMode,
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};
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public enum TurnsSideType {
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Red,
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Black,
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};
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public enum PlayerSideType {
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Self,
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Opponent,
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Any,
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};
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private TurnsSideType sideType = TurnsSideType.Red;
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private readonly TurnsSideType selfSide;
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public readonly VirtualBoard board = new(9, 10);
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private readonly Player playerSelf;
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private readonly Player playerOpponent;
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private readonly MoveRecords<VirtualPiece> moveRecords;
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public EventHandler<VirtualBoard.MoveEventArgs> OnMove;
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public ChessCore(Mode mode, TurnsSideType selfSide) {
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this.selfSide = selfSide;
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playerSelf = new(board, Player.PlayerType.Human);
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playerOpponent = new(board, Player.PlayerType.Human);
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playerSelf.OnMove += (sender, args) => {
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moveRecords.AddRecord(board.GetPiece(args.To), board.GetPiece(args.From),
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args.To, args.From);
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};
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playerOpponent.OnMove += (sender, args) => {
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moveRecords.AddRecord(board.GetPiece(args.To), board.GetPiece(args.From),
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args.To, args.From);
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};
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moveRecords = new MoveRecords<VirtualPiece>(
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onAddRecordCallback: (newNode, oldNode, newPos, oldPos) => {
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playerSelf.SelectedClear();
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playerOpponent.SelectedClear();
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},
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onUndoRecordCallback: (newNode, oldNode, newPos, oldPos) => {
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// GD.Print("Undo: ", newNode, "->", oldNode, ":", newPos, "->", oldPos);
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VirtualPiece newPiece = newNode;
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VirtualPiece oldPiece = oldNode;
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board.MovePiece(newPos, oldPos);
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if (newPiece != null) {
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board.InsertPiece(newPiece, newPos);
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}
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});
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switch (mode) {
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case Mode.SingleMode:
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break;
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case Mode.MultiMode:
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break;
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default:
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case Mode.DebugMode:
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throw new NotImplementedException();
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}
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}
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public void InitGame() {
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ArrayList blackPart = InitOnePartPieces(TurnsSideType.Black, new[] {
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("车", 0, 0), ("马", 1, 0), ("象", 2, 0),
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("士", 3, 0), ("将", 4, 0), ("士", 5, 0),
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("象", 6, 0), ("马", 7, 0), ("车", 8, 0),
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("炮", 1, 2), ("炮", 7, 2),
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("卒", 0, 3), ("卒", 2, 3), ("卒", 4, 3), ("卒", 6, 3), ("卒", 8, 3)
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});
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ArrayList redPart = InitOnePartPieces(TurnsSideType.Red, new[] {
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("车", 0, -0), ("马", 1, -0), ("象", 2, -0),
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("士", 3, -0), ("将", 4, -0), ("士", 5, -0),
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("象", 6, -0), ("马", 7, -0), ("车", 8, -0),
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("炮", 1, -2), ("炮", 7, -2),
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("卒", 0, -3), ("卒", 2, -3), ("卒", 4, -3), ("卒", 6, -3), ("卒", 8, -3)
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});
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if (selfSide == TurnsSideType.Red) {
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playerSelf.SetAllowedPieces(redPart);
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playerOpponent.SetAllowedPieces(blackPart);
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} else {
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playerSelf.SetAllowedPieces(blackPart);
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playerOpponent.SetAllowedPieces(redPart);
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}
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}
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private ArrayList InitOnePartPieces(TurnsSideType side, (string label, int x, int y)[] positions) {
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ArrayList list = new();
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foreach (var (label, x, y) in positions) {
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// FIXME: use a better way to initialize pieces
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Vector2 pos = new(x, y + (TurnsSideType.Red == side ? 9 : 0));
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VirtualPiece piece = new(label, pos);
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list.Add(piece);
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board.InsertPiece(piece, pos);
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}
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return list;
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}
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public void OnPosClicked(Vector2 pos, PlayerSideType clickedSide = PlayerSideType.Any) {
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if (sideType == selfSide) {
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playerSelf.CanMove = true;
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playerOpponent.CanMove = false;
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} else {
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playerSelf.CanMove = false;
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playerOpponent.CanMove = true;
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}
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switch (clickedSide) {
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case PlayerSideType.Any:
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playerSelf.HandleBoardPosClick(pos);
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playerOpponent.HandleBoardPosClick(pos);
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break;
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case PlayerSideType.Self:
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playerSelf.HandleBoardPosClick(pos);
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break;
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case PlayerSideType.Opponent:
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playerOpponent.HandleBoardPosClick(pos);
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break;
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}
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sideType = moveRecords.Count() % 2 == 0 ? TurnsSideType.Red : TurnsSideType.Black;
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}
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public TurnsSideType GetTurnsType() {
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sideType = moveRecords.Count() % 2 == 0 ? TurnsSideType.Red : TurnsSideType.Black;
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return sideType;
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}
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public void Undo() {
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playerSelf.SelectedClear();
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playerOpponent.SelectedClear();
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moveRecords.Undo();
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}
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public void ReInit() {
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playerSelf.SelectedClear();
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playerOpponent.SelectedClear();
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moveRecords.Clear();
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board.Clear();
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InitGame();
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}
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}
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@ -5,9 +5,9 @@ using System.Collections;
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public class Player {
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private readonly VirtualBoard board;
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private readonly SelectedPiece selectedNode;
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private readonly MoveRecords<VirtualPiece> moveRecords;
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public EventHandler<VirtualBoard.MoveEventArgs> OnMove;
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public EventHandler<VirtualBoard.MoveEventArgs> OnMove;
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public bool CanMove { get; set; } = true;
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public enum PlayerType {
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Human,
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@ -18,15 +18,6 @@ public class Player {
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{
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this.board = board;
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this.selectedNode = new SelectedPiece(board);
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this.moveRecords = new MoveRecords<VirtualPiece>(onUndoRecordCallback: (newNode, oldNode, newPos, oldPos) => {
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// GD.Print("Undo: ", newNode, "->", oldNode, ":", newPos, "->", oldPos);
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VirtualPiece newPiece = newNode;
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VirtualPiece oldPiece = oldNode;
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this.board.MovePiece(newPos, oldPos);
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if (newPiece != null) {
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this.board.InsertPiece(newPiece, newPos);
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}
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});
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}
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public void HandleBoardPosClick(Vector2 clickPos) {
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@ -47,7 +38,7 @@ public class Player {
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} else {
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// Move piece
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// GD.Print("default MoveFunc Move: ", selectedNode.GetPos(), "->", clickPos);
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MoveAndRecord(clickPos, selectedNode.GetPos());
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if (CanMove) MoveAndRecord(clickPos, selectedNode.GetPos());
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}
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}
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@ -56,6 +47,9 @@ public class Player {
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VirtualPiece toChess = board.GetPiece(toPos);
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VirtualPiece fromChess = board.GetPiece(fromPos);
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fromChess?.Selected(false);
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// MUST BE THERE !!! 防止删除节点后在启动回调导致错误
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OnMove?.Invoke(this, new VirtualBoard.MoveEventArgs { From = fromPos, To = toPos });
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VirtualPiece NowNode;
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if (toChess != null) {
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@ -64,26 +58,13 @@ public class Player {
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} else {
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NowNode = toChess;
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}
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moveRecords.AddRecord(NowNode, fromChess, toPos, fromPos);
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OnMove?.Invoke(this, new VirtualBoard.MoveEventArgs { From = fromPos, To = toPos });
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board.MovePiece(fromPos, toPos);
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selectedNode.Clear();
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}
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public void Undo() {
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// ChessPiece selected = selectedNode.GetPiece();
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// selected?.DeSelected();
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public void SelectedClear() {
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selectedNode.Clear();
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moveRecords.Undo();
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}
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public void ReInit() {
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moveRecords.Clear();
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board.Clear();
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selectedNode.Clear();
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// board.InitChessBoard();
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}
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public void SetAllowedPieces(ArrayList allowedPieces) {
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@ -55,10 +55,9 @@ public class VirtualBoard {
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if (GetPiece(arrayPos) != null) {
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return false;
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}
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OnInsert?.Invoke(this, piece);
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SetPiecePos(piece, arrayPos);
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SetPiecePos(piece, arrayPos);
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return true;
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}
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@ -74,7 +73,6 @@ public class VirtualBoard {
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OnMove?.Invoke(this, new MoveEventArgs { From = from, To = to });
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SetPiecePos(SetPiecePos(null, from), to);
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return true;
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}
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@ -4,7 +4,7 @@ using System;
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public class VirtualPiece {
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private Vector2 pos; // 注意这个坐标的非像素坐标而是棋盘坐标
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private readonly string name;
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public readonly string name;
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private bool isSelected;
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public object data;
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