ZZY
e16f76e11f
- 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
118 lines
3.5 KiB
C#
118 lines
3.5 KiB
C#
using System.Collections.Generic;
|
||
using Vector2I = Vector.Vector2I;
|
||
|
||
using static IBoard;
|
||
public abstract class AbstractBoard(int rows, int cols, int maxRecords = int.MaxValue,
|
||
IBoardOn? on = null) : IBoard {
|
||
private readonly int rows = rows;
|
||
private readonly int cols = cols;
|
||
protected readonly IPiece?[,] pieces = new IPiece[rows, cols];
|
||
protected readonly List<MoveRecord> moveRecords = [];
|
||
protected readonly int MAX_RECORDS = maxRecords;
|
||
|
||
public int Rows => rows;
|
||
public int Cols => cols;
|
||
protected IBoardOn? on = on;
|
||
|
||
public virtual IBoardOn? On { get => on; set => on = value; }
|
||
|
||
public virtual bool IsPosOutOfRange(Vector2I arrayPos) {
|
||
return arrayPos.X < 0 || arrayPos.X >= Rows || arrayPos.Y < 0 || arrayPos.Y >= Cols;
|
||
}
|
||
|
||
public virtual IPiece? GetPiece(Vector2I arrayPos) {
|
||
if (IsPosOutOfRange(arrayPos)) return null;
|
||
return pieces[arrayPos.X, arrayPos.Y];
|
||
}
|
||
|
||
public virtual IPiece? SetPiece(IPiece? piece, Vector2I pos) {
|
||
if (IsPosOutOfRange(pos)) return null;
|
||
|
||
IPiece? oldPiece = pieces[pos.X, pos.Y];
|
||
pieces[pos.X, pos.Y] = piece;
|
||
if (piece is not null) piece.Pos = pos;
|
||
// if (oldPiece != null) oldPiece.Pos = Vector2I.Zero;
|
||
|
||
on?.OnSetPieceInteral(this, new IBoardOn.SetPieceEventArgs
|
||
(oldPiece, piece, pos));
|
||
return oldPiece;
|
||
}
|
||
|
||
public virtual bool InsertPiece(IPiece piece, Vector2I pos) {
|
||
if (GetPiece(pos) is not null && piece == null) {
|
||
return false;
|
||
}
|
||
|
||
on?.OnInsert(this, piece);
|
||
SetPiece(piece, pos);
|
||
return true;
|
||
}
|
||
|
||
public virtual bool MovePiece(Vector2I from, Vector2I to) {
|
||
if (IsPosOutOfRange(to) || IsPosOutOfRange(from)) {
|
||
return false;
|
||
}
|
||
|
||
IPiece? piece = GetPiece(from);
|
||
if (GetPiece(to) is not null || piece is null) {
|
||
return false;
|
||
}
|
||
|
||
on?.OnMove(this, new IBoardOn.MoveEventArgs(piece, from, to));
|
||
SetPiece(null, from);
|
||
SetPiece(piece, to);
|
||
return true;
|
||
}
|
||
|
||
public virtual IPiece? RemovePiece(Vector2I pos) {
|
||
IPiece? piece = GetPiece(pos);
|
||
if (piece is null) return null;
|
||
|
||
on?.OnRemove(this, piece);
|
||
return SetPiece(null, pos);
|
||
}
|
||
|
||
public virtual void Clear() { Clear(true); }
|
||
|
||
public virtual void Clear(bool clearRecords) {
|
||
for (int i = 0; i < Rows; i++) {
|
||
for (int j = 0; j < Cols; j++) {
|
||
RemovePiece(new Vector2I(i, j));
|
||
}
|
||
}
|
||
if (clearRecords) ClearRecords();
|
||
}
|
||
|
||
public virtual void ClearRecords() {
|
||
moveRecords.Clear();
|
||
}
|
||
|
||
public virtual void AddRecord(IPiece? From, IPiece? To, Vector2I FromPos, Vector2I ToPos) {
|
||
if (moveRecords.Count >= MAX_RECORDS) {
|
||
moveRecords.RemoveAt(0);
|
||
}
|
||
MoveRecord record = new(From, To, FromPos, ToPos);
|
||
|
||
on?.OnAddRecord(this, record);
|
||
moveRecords.Add(record);
|
||
}
|
||
|
||
public virtual void UndoRecord() {
|
||
if (moveRecords.Count == 0) return;
|
||
MoveRecord record = moveRecords[^1];
|
||
moveRecords.RemoveAt(moveRecords.Count - 1);
|
||
|
||
// 恢复新位置的棋子，order is very inmportant
|
||
if (record.From is not null) {
|
||
MovePiece(record.ToPos, record.FromPos);
|
||
}
|
||
|
||
// 恢复旧位置的棋子
|
||
if (record.To is not null) {
|
||
InsertPiece(record.To, record.ToPos);
|
||
}
|
||
|
||
on?.OnUndoRecord(this, record);
|
||
}
|
||
}
|