/**
* Check if this pin is an opponent-pin and has connection. The two connection up are not checked.
*
* @param oppX x of pin to check
* @param oppY y of pin to check
* @return true if pin is not blocking
*/
private boolean checkTopPin(final int oppX, final int oppY) {
return !(board.getPin(oppX, oppY) == Board.XPLAYER
&& (board.isBridged(oppX, oppY, 0)
|| board.isBridged(oppX, oppY, 3)
|| board.isBridged(oppX + 2, oppY + 1, 0)
|| board.isBridged(oppX + 1, oppY + 2, 1)
|| board.isBridged(oppX - 1, oppY + 2, 2)
|| board.isBridged(oppX - 2, oppY + 1, 3)));
}
/**
* Check for race 2 (upper-right to left, gentle).
*
* @return true if no blocking race exists
*/
private boolean checkFor2() {
boolean ret = true;
int vx = (board.getXsize() - 2 - pinX);
int vy = (pinY - 1) * 2;
// System.out.println("2 fuer " + GuiBoard.getHoleName(pinX, pinY, false) + ":"
// + ((vx >= vy) ? " save" : " not save"));
if (board.getPin(pinX - 1, pinY) == Board.XPLAYER
&& vx < vy
&& (board.isConnected(pinX - 1, pinY, pinX + 1, pinY - 1)
|| (board.isConnected(pinX - 1, pinY, pinX - 3, pinY + 1)
&& nextPlayer == Board.XPLAYER))) {
ret = false;
}
// System.out.println("Check: " + (ret ? "okay" : "not okay") +
// " NextPlayer: " + (nextPlayer == Board.XPLAYER ? "X" : "Y"));
return ret;
}
/**
* Check for race 4 (down-right to left, steep).
*
* @return true if no blocking race exists
*/
private boolean checkFor4() {
boolean ret = true;
int vx = (board.getXsize() - 2 - pinX) * 2;
int vy = (board.getYsize() - 2 - pinY);
// System.out.println("4 fuer " + GuiBoard.getHoleName(pinX, pinY, false) + ":"
// + ((vx >= vy) ? " save " : " not save ") + vx + "," + vy + "-" + (board.getYsize()
// - 2 - pinY));
if (board.getPin(pinX - 1, pinY - 1) == Board.XPLAYER
&& vx < vy
&& (board.isConnected(pinX - 1, pinY - 1, pinX, pinY + 1)
|| (board.isConnected(pinX - 1, pinY - 1, pinX - 2, pinY - 3)
&& board.bridgeAllowed(pinX, pinY + 1, 1)
&& nextPlayer == Board.XPLAYER))) {
ret = false;
}
// System.out.println("Check: " + (ret ? "okay" : "not okay") +
// " NextPlayer: " + (nextPlayer == Board.XPLAYER ? "X" : "Y"));
return ret;
}
/**
* Check if this pin is an opponent-pin and has connection. Only two connection are checked.
*
* @param oppX x of pin to check
* @param oppY y of pin to check
* @return true if pin is not blocking
*/
private boolean checkTopPinTwo(final int oppX, final int oppY) {
return oppY <= 0
|| !(board.getPin(oppX, oppY) == Board.XPLAYER
&& (board.isBridged(oppX - 2, oppY + 1, 3) || board.isBridged(oppX + 2, oppY + 1, 0)));
}
/**
* Check if this pin is an opponent-pin and has connection. Only two connection are checked.
*
* @param oppX x of pin to check
* @param oppY y of pin to check
* @return true if pin is not blocking
*/
private boolean checkButtomPinTwo(final int oppX, final int oppY) {
return oppY >= board.getYsize()
|| !(board.getPin(oppX, oppY) == Board.XPLAYER
&& (board.isBridged(oppX, oppY, 0) || board.isBridged(oppX, oppY, 3)));
}
