public int playable(Board brd, int x2, int y2)
{
if (x2 < 0 || y2 < 0)
{
return(0);
}
Point p = brd.searchKing(color);
King king = new King(color, 0, 0);
king.x = p.x;
king.y = p.y;
Board brd2 = new Board();
for (int i = 0; i < 8; i++)
{
for (int j = 0; j < 8; j++)
{
brd2.setSquare(brd.getInfo(i, j), i, j);
}
}
if (move(brd2, x2, y2) == 1)
{
brd2.setSquare(0, x, y);
if (color == 1)
{
brd2.setSquare(5, x2, y2);
}
else
{
brd2.setSquare(11, x2, y2);
}
}
else
{
return(0);
}
if (king.isChecked(brd2) == 1)
{
return(0);
}
else
{
return(1);
}
}
public int isMated(int color)
{
Point p = new Point();
p = searchKing(color);
King king = new King(color, p.x, p.y);
if (king.isChecked(this) == 1)
{
if (canDefend(color) == 1)
{
return(0);
}
else
{
return(1);
}
}
return(0);
}
public int canDefend(int color)
{
Board b = new Board();
Castle castle = new Castle(color, 0, 0);
Pawn pawn = new Pawn(color, 0, 0);
Knight knight = new Knight(color, 0, 0);
Bishop bishop = new Bishop(color, 0, 0);
Queen queen = new Queen(color, 0, 0);
int i, j, m, n, f = 0;
for (i = 0; i < 8; i++)
{
for (j = 0; j < 8; j++)
{
b.setSquare(this.getInfo(i, j), i, j);
}
}
Point p = b.searchKing(color);
King king = new King(color, p.x, p.y);
for (i = 0; i < 8; i++)
{
for (j = 0; j < 8; j++)
{
if (b.getInfo(i, j) == 0)
{
}
else if (b.getInfo(i, j) == (color == 1 ? 1 : 7))
{
castle.x = i;
castle.y = j;
for (m = 0; m < 8; m++)
{
for (n = 0; n < 8; n++)
{
if (castle.move(b, m, n) == 1)
{
f = b.getInfo(m, n);
b.setSquare(0, i, j);
b.setSquare((color == 1 ? 1 : 7), m, n);
if (king.isChecked(b) == 0)
{
return(1);
}
b.setSquare((color == 1 ? 1 : 7), i, j);
b.setSquare(f, m, n);
}
}
}
}
else if (b.getInfo(i, j) == (color == 1 ? 2 : 8))
{
knight.x = i;
knight.y = j;
for (m = 0; m < 8; m++)
{
for (n = 0; n < 8; n++)
{
if (knight.move(b, m, n) == 1)
{
f = b.getInfo(m, n);
b.setSquare(0, i, j);
b.setSquare((color == 1 ? 2 : 8), m, n);
if (king.isChecked(b) == 0)
{
return(1);
}
b.setSquare((color == 1 ? 2 : 8), i, j);
b.setSquare(f, m, n);
}
}
}
}
else if (b.getInfo(i, j) == (color == 1 ? 3 : 9))
{
bishop.x = i;
bishop.y = j;
for (m = 0; m < 8; m++)
{
for (n = 0; n < 8; n++)
{
if (bishop.move(b, m, n) == 1)
{
f = b.getInfo(m, n);
b.setSquare(0, i, j);
b.setSquare((color == 1 ? 3 : 9), m, n);
if (king.isChecked(b) == 0)
{
return(1);
}
b.setSquare((color == 1 ? 3 : 9), i, j);
b.setSquare(f, m, n);
}
}
}
}
else if (b.getInfo(i, j) == (color == 1 ? 4 : 10))
{
queen.x = i;
queen.y = j;
for (m = 0; m < 8; m++)
{
for (n = 0; n < 8; n++)
{
if (queen.move(b, m, n) == 1)
{
f = b.getInfo(m, n);
b.setSquare(0, i, j);
b.setSquare((color == 1 ? 4 : 10), m, n);
if (king.isChecked(b) == 0)
{
return(1);
}
b.setSquare((color == 1 ? 4 : 10), i, j);
b.setSquare(f, m, n);
}
}
}
}
else if (b.getInfo(i, j) == (color == 1 ? 5 : 11))
{
for (m = 0; m < 8; m++)
{
for (n = 0; n < 8; n++)
{
if (king.move(b, m, n) == 1)
{
f = b.getInfo(m, n);
king.x = m;
king.y = n;
b.setSquare(0, i, j);
b.setSquare((color == 1 ? 5 : 11), m, n);
if (king.isChecked(b) == 0)
{
return(1);
}
b.setSquare((color == 1 ? 5 : 11), i, j);
b.setSquare(f, m, n);
king.x = p.x;
king.y = p.y;
}
}
}
}
else if (b.getInfo(i, j) == (color == 1 ? 6 : 12))
{
pawn.x = i;
pawn.y = j;
for (m = 0; m < 8; m++)
{
for (n = 0; n < 8; n++)
{
if (pawn.move(b, m, n) == 1)
{
f = b.getInfo(m, n);
b.setSquare(0, i, j);
b.setSquare((color == 1 ? 6 : 12), m, n);
if (king.isChecked(b) == 0)
{
return(1);
}
b.setSquare((color == 1 ? 6 : 12), i, j);
b.setSquare(f, m, n);
}
}
}
}
}
}
return(0);
}
