How to use

evaluate

method

in

jsettlers.common.utils.collections.IPredicate

private void findNext() {
  while (iterator.hasNext()) {
    T curr = iterator.next();
    if (predicate.evaluate(curr)) {
      this.next = curr;
      break;
    }
  }
}

@Override
public EDirection getDirectionOfSearched(ShortPoint2D position, ESearchType searchType) {
  IPredicate<ELandscapeType> predicate;
  if (searchType == ESearchType.FISHABLE) {
    predicate = ELandscapeType::isWater;
  } else if (searchType == ESearchType.RIVER) {
    predicate = ELandscapeType::isRiver;
  } else {
    return null;
  }
  for (EDirection direction : EDirection.VALUES) {
    int x = direction.getNextTileX(position.x);
    int y = direction.getNextTileY(position.y);
    if (isInBounds(x, y) && predicate.evaluate(landscapeGrid.getLandscapeTypeAt(x, y))) {
      return direction;
    }
  }
  return null;
}