/**
* Add a random ship of a given length to one side of the board. The new ship cannot intersect any
* existing ships.
*
* @param length
* @param squares
* @param random
*/
private void addRandomShip(BattleShip ship, boolean leftSide, Random random) {
boolean vertical = random.nextBoolean();
int length = ship.getLength();
GridSquare[][] squares = leftSide ? leftSquares : rightSquares;
if (leftSide) leftShips.add(ship);
else rightShips.add(ship);
while (true) {
int xpos = random.nextInt(vertical ? width : width - length);
int ypos = random.nextInt(vertical ? height - length : height);
// now, check whether this ship intersects any others
if (vertical) {
for (int i = 0; i != length; ++i)
if (!(squares[xpos][ypos + i] instanceof EmptySquare)) continue;
// if we get here, then there is no intersection.
for (int i = 0; i != length; ++i)
if (i == 0)
squares[xpos][ypos + i] = new ShipSquare(ShipSquare.Type.VERTICAL_TOP_END, ship);
else if (i == (length - 1))
squares[xpos][ypos + i] = new ShipSquare(ShipSquare.Type.VERTICAL_BOTTOM_END, ship);
else squares[xpos][ypos + i] = new ShipSquare(ShipSquare.Type.VERTICAL_MIDDLE, ship);
// done
return;
} else {
for (int i = 0; i != length; ++i)
if (!(squares[xpos + i][ypos] instanceof EmptySquare)) continue;
// if we get here, then there is no intersection.
for (int i = 0; i != length; ++i)
if (i == 0)
squares[xpos + i][ypos] = new ShipSquare(ShipSquare.Type.HORIZONTAL_LEFT_END, ship);
else if (i == (length - 1))
squares[xpos + i][ypos] = new ShipSquare(ShipSquare.Type.HORIZONTAL_RIGHT_END, ship);
else squares[xpos + i][ypos] = new ShipSquare(ShipSquare.Type.HORIZONTAL_MIDDLE, ship);
// done
return;
}
}
}
/**
* Check whether player won or not.
*
* @return
*/
public boolean didPlayerWin() {
for (BattleShip ship : rightShips) if (!ship.isDestroyed()) return false;
return true;
}
/**
* Check whether computer won or not.
*
* @return
*/
public boolean didComputerWin() {
for (BattleShip ship : leftShips) if (!ship.isDestroyed()) return false;
return true;
}