使用C#实现中国象棋棋子走法的判定

使用以下代码请遵循协议.

 

将和帅的走法实现:

class King : PieceBase
{
    public override bool CanMoveTo(Point coordinate, char[,] boardstatus)
    {
        if (Math.Pow(this.Coordinate.X - coordinate.X, 2) + Math.Pow(this.Coordinate.Y - coordinate.Y, 2) != 1)
            return false;

        if (coordinate.X > 5 | coordinate.X < 3)
            return false;
        if (coordinate.Y > 2 & coordinate.Y < 7)
            return false;

        return true;
    }
}

 

士和仕的走法实现:

class Advisor : PieceBase
{
    public override bool CanMoveTo(Point coordinate, char[,] boardstatus)
    {
        if (Math.Pow(this.Coordinate.X - coordinate.X, 2) + Math.Pow(this.Coordinate.Y - coordinate.Y, 2) != 2)
            return false;

        if (coordinate.X > 5 | coordinate.X < 3)
            return false;
        if (coordinate.Y > 2 & coordinate.Y < 7)
            return false;

        return true;
    }
}

 

象和相的走法实现:  

class Elephant : PieceBase
{
    public override bool CanMoveTo(Point coordinate, char[,] boardstatus)
    {
        if (Math.Pow(this.Coordinate.X - coordinate.X, 2) + Math.Pow(this.Coordinate.Y - coordinate.Y, 2) != 8)
            return false;

        if (this.Side == PieceSide.Red & coordinate.Y < 5) { return false; }
        if (this.Side == PieceSide.Black & coordinate.Y > 4) { return false; }

        int X = (this.Coordinate.X + coordinate.X) / 2;
        int Y = (this.Coordinate.Y + coordinate.Y) / 2;

        if (boardstatus[X, Y] != '0') { return false; }

        return true;
    }
}

 

马的走法实现:  

class Knight : PieceBase
{
    public override bool CanMoveTo(Point coordinate, char[,] boardstatus)
    {
        if (Math.Pow(this.Coordinate.X - coordinate.X, 2) + Math.Pow(this.Coordinate.Y - coordinate.Y, 2) != 5)
            return false;

        int X = this.Coordinate.X + (Math.Abs(coordinate.X - this.Coordinate.X) - 1) * (coordinate.X - this.Coordinate.X) / Math.Abs(coordinate.X - this.Coordinate.X);
        int Y = this.Coordinate.Y + (Math.Abs(coordinate.Y - this.Coordinate.Y) - 1) * (coordinate.Y - this.Coordinate.Y) / Math.Abs(coordinate.Y - this.Coordinate.Y);

        if (boardstatus[X, Y] != '0') { return false; }
        
        return true;
    }
}

 

車的走法实现:  

class Rook : PieceBase
{
    public override bool CanMoveTo(Point coordinate, char[,] boardstatus)
    {
        if ((this.Coordinate.X != coordinate.X) & (this.Coordinate.Y != coordinate.Y))
            return false;

        int d = Math.Abs(this.Coordinate.X - coordinate.X) + Math.Abs(this.Coordinate.Y - coordinate.Y);

        for (int i = 1; i < d; i++)
        {
            int X = this.Coordinate.X + (coordinate.X - this.Coordinate.X) / d * i;
            int Y = this.Coordinate.Y + (coordinate.Y - this.Coordinate.Y) / d * i;

            if (boardstatus[X, Y] != '0') { return false; }
        }

        return true;
    }
}

 

炮的走法实现: 

class Cannon : PieceBase
{
    public override bool CanMoveTo(Point coordinate, char[,] boardstatus)
    {
        if ((this.Coordinate.X != coordinate.X) & (this.Coordinate.Y != coordinate.Y))
            return false;

        int d = Math.Abs(this.Coordinate.X - coordinate.X) + Math.Abs(this.Coordinate.Y - coordinate.Y);
        bool flag = false;

        for (int i = 1; i < d; i++)
        {
            int X = this.Coordinate.X + (coordinate.X - this.Coordinate.X) / d * i;
            int Y = this.Coordinate.Y + (coordinate.Y - this.Coordinate.Y) / d * i;

            if (boardstatus[X, Y] != '0')
            {
                if (flag == true) { return false; } else { flag = true; }
            }
        }
        if (boardstatus[coordinate.X, coordinate.Y] == '0' & flag == true) { return false; }
        else if (boardstatus[coordinate.X, coordinate.Y] != '0' & flag == false) { return false; }
     
        return true;
    }
}

 

卒和兵的走法实现: 

class Pawn : PieceBase
{
    public override bool CanMoveTo(Point coordinate, char[,] boardstatus)
    {
        if (Math.Pow(this.Coordinate.X - coordinate.X, 2) + Math.Pow(this.Coordinate.Y - coordinate.Y, 2) != 1)
            return false;

        if (this.Side == PieceSide.Red)
        {
            if (this.Coordinate.Y > 4 & this.Coordinate.X != coordinate.X) { return false; }
            if (this.Coordinate.Y < coordinate.Y) { return false; }
        }
        else
        {
            if (this.Coordinate.Y < 5 & this.Coordinate.X != coordinate.X) { return false; }
            if (this.Coordinate.Y > coordinate.Y) { return false; }
        }
 
        return true;
    }
}