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 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 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;
}