public override bool CanMove(Situation situation, int dest)
{
if (!situation.InChessboard(dest))//如果如果目标位置不在棋盘中
{
return false;
}
if (!situation.InFort(dest))//如果如果目标位置不在九宫格中
{
return false;
}
if (situation.Pieces[dest] != null && situation.Pieces[dest].Side == this.Side)
{
return false;
}
int setp = situation.Positions[this] - dest;
for (int n = 0; n < setps.Length; n++)
{
if (setp == setps[n])
{
return true;
}
}
return false;
}
public override int[] Moves(Situation situation, bool capture = false)
{
int pos = situation.Positions[this];
int dest = 0;
ChessPiece destPiece = null;
List<int> moves = new List<int>();
if (situation.InHomeHalf(this))//如果未过河
{
dest = pos + (this.Code & 16) == 0 ? -16 : 16;
destPiece = situation.Pieces[dest];
if (destPiece == null || destPiece.Side != Side)
{
moves.Add(pos | (dest << 8));
}
}
for (int n = 0 + ((this.Code & 16) >> 4); n < 3 + ((this.Code & 16) >> 4); n++)
{
dest = pos + setps[n];
destPiece = situation.Pieces[dest];
if (!situation.InFort(dest) ||
(destPiece != null && destPiece.Side == this.Side))
{
continue;
}
//pcDst = ucpcSquares[sqDst];
if (capture && destPiece == null)
{
continue;
}
moves.Add(pos | (dest << 8) | (this.Code << 16));
}
return moves.ToArray();
}
public override int[] Moves(Situation situation, bool capture = false)
{
int pos = situation.Positions[this];
int dest = 0;
ChessPiece destPiece = null;
List<int> moves = new List<int>();
for (int i = 0; i < 8; i++)
{
dest = pos + setps[i, 0];
destPiece = situation.Pieces[dest];
if (!situation.InChessboard(dest) ||
situation.Pieces[pos + setps[i, 1]] != null ||
(destPiece != null && destPiece.Side == this.Side))
{
continue;
}
//pcDst = ucpcSquares[sqDst];
if (capture && destPiece == null)
{
continue;
}
moves.Add(pos | (dest << 8) | (this.Code << 16));
}
return moves.ToArray();
}
public override int[] Moves(Situation situation, bool capture = false)
{
int pos = situation.Positions[this];
int dest = 0;
List<int> moves = new List<int>();
for (int k = 0; k < 4; k++)
{
dest = pos + setps[k];
for (; situation.Pieces[dest] == null && situation.InChessboard(dest); dest += setps[k])
{
if (!capture)
{
moves.Add(pos | (dest << 8) | (this.Code << 16));
}
}
if (situation.InChessboard(dest))
{
dest += setps[k];
while (situation.Pieces[dest] == null && situation.InChessboard(dest)) { dest += setps[k]; }
if (situation.InChessboard(dest) && situation.Pieces[dest].Side != Side)
{
moves.Add(pos | (dest << 8) | (this.Code << 16));
}
}
}
return moves.ToArray();
}
public override bool CanMove(Situation situation, int dest)
{
if (!situation.InChessboard(dest))//如果如果目标位置不在棋盘中
{
return false;
}
if (situation.Pieces[dest] != null && situation.Pieces[dest].Side == this.Side)
{
return false;
}
int setp = dest - situation.Positions[this];
if (situation.InHomeHalf(this, dest))//未过河
{
return (this.Code & 16) == 0 ? setp == -16 : setp == 16;
}
for (int n = 0 + ((this.Code & 16) >> 4); n < 3 + ((this.Code & 16) >> 4); n++)
{
if (setp == setps[n])
{
return true;
}
}
return false;
}
public override bool CanMove(Situation situation, int dest)
{
if (!situation.InChessboard(dest))//如果如果目标位置不在棋盘中
{
return false;
}
if (!situation.InHomeHalf(this,dest))
{
return false;
}
if (situation.Pieces[dest] != null && situation.Pieces[dest].Side == this.Side)
{
return false;
}
int pos = situation.Positions[this];
int setp = dest - pos;
for (int n = 0; n < setps.GetLength(0); n++)
{
if (setps[n, 0] == setp && situation.Pieces[pos + setps[n, 1]] == null)
{
return true;
}
}
return false;
}
public override bool CanMove(Situation situation, int dest)
{
int pos = situation.Positions[this];
if (pos == dest)
{
return false;
}
int delta = 0;
if (situation.IsSameRank(pos, dest))
{
delta = pos < dest ? 1 : -1;
}
else if (situation.IsSameFile(pos, dest))
{
delta = pos < dest ? 16 : -16;
}
else
{
return false;
}
pos += delta;
while (pos != dest && situation.Pieces[pos] == null) { pos += delta; }
if (situation.Pieces[pos] == null)
{
return true;
}
if (situation.Pieces[dest] == null || situation.Pieces[dest].Side == this.Side)
{
return false;
}
pos += delta;
while (pos != dest && situation.Pieces[pos] == null) { pos += delta; }
return pos == dest;
}
public BattleSituation(Situation situation, ChessSide side = ChessSide.Red)
{
this.situation = situation;
InitEvaluate();
}
/// <summary>
/// 如果"capture"为"true"则只生成吃子走法
/// </summary>
/// <param name="situation"></param>
/// <param name="capture"></param>
/// <returns></returns>
private List<int> GenerateMoves(Situation situation, bool capture = false)
{
ChessPiece piece = null;
//int[] moves = null;
List<int> moves = new List<int>();
for (int n = 0; n < 256; n++)
{
piece = situation.Pieces[n];
if (piece == null || piece.Side != Situation.Side)
{
continue;
}
moves.AddRange(piece.Moves(situation, capture));
}
return moves;
}
//public byte Position
//{
// get { return _pos; }
// internal set { _pos = value; }
//}
/// <summary>
/// n*2的数组，数据的第一列表示可以表的偏移量，第二列表示指定位置有棋子时，则此种走法不行的
/// </summary>
//public abstract int[,] Setps { get; }
/// <summary>
/// 生成所有走法，如果"capture"为"true"则只生成吃子走法
/// 0-7 原来位置
/// 8-15 目标位置
/// 16-32 棋子
/// </summary>
/// <param name="situation"></param>
/// <param name="capture"></param>
/// <returns></returns>
public abstract int[] Moves(Situation situation,bool capture = false);
public abstract bool CanMove(Situation situation, int dest);
private Situation(Situation situation)
{
//for (int n = 0; n < 32; n++)
//{
// this.positions[n] = situation.positions[n];
// this.codes[n] = situation.codes[n];
// //this.removes[n] = situation.removes[n];
//}
//for (int n = 0; n < 256; n++)
//{
// this.pieces[n] = situation.pieces[n];
//}
CopyProperty(situation, this);
init();
}
private static void CopyProperty(Situation source, Situation dest)
{
for (int n = 0; n < 32; n++)
{
dest.positions[n] = source.positions[n];
dest.codes[n] = source.codes[n];
//this.removes[n] = situation.removes[n];
}
for (int n = 0; n < 256; n++)
{
dest.pieces[n] = source.pieces[n];
}
}
public Situation Clone(Situation other = null)
{
if (other == null)
{
return new Situation(this);
}
else
{
CopyProperty(this, other);
return other;
}
}