private void moveCursor(int inc) {
if (isMoveSelected()) {
int newIndex = moveIndex + inc;
if (newIndex >= moves.size()) {
newIndex = 0;
}
if (newIndex < 0) {
newIndex = moves.size() - 1;
}
setCursor(newIndex);
}
}
private Move getSelectedMove() {
if (isMoveSelected()) {
return (Move) moves.elementAt(moveIndex);
} else {
return null;
}
}
public void stateChanged(State state) {
BoardGame game = (BoardGame) getGame();
if ((state == game.STATE_THINKING) && (game.getCurrentPlayer() == this)) {
it.reset(this, game.getBoard());
while (it.hasMoreElements()) {
moves.addElement(it.nextElement());
}
if (isMoveAvailable()) {
setCursor(0);
}
}
}
public void gameAction(int action) {
BoardGame game = (BoardGame) getGame();
if ((game.getCurrentPlayer() == this)
&& (game.getState() == game.STATE_THINKING)
&& (getSelectedMove() != null)) {
switch (action) {
case Canvas.FIRE:
game.queueMove(getSelectedMove());
moves.removeAllElements();
break;
case Canvas.LEFT:
case Canvas.UP:
moveCursor(-1);
break;
case Canvas.DOWN:
case Canvas.RIGHT:
moveCursor(1);
break;
}
}
}
private boolean isMoveAvailable() {
return moves.size() > 0;
}