How to use

getHeightAt

method

in

jsettlers.common.map.IGraphicsGrid

public int getHeight(int x, int y) {
  if (x >= 0 && x < map.getWidth() && y >= 0 && y < map.getHeight()) {
    return map.getHeightAt(x, y);
  } else {
    return 0;
  }
}

int dheight = map.getHeightAt(centerX, mapMinY) - map.getHeightAt(centerX, Math.min(mapMinY + mapLineHeight, mapHeight - 1));
basecolor *= 1 + .15f * dheight;

/**
 * @param screenX
 *            The x coordinate in draw space
 * @param screenY
 *            The y coordinate in draw space.
 * @return The map position under the point.
 */
private ShortPoint2D getPositionUnder(float screenX, float screenY) {
  // do a three step iteration by using the coordinate transformation and the map height
  int mapX = getConverter().getMapX(screenX, screenY);
  int mapY = getConverter().getMapY(screenX, screenY);
  if (mapX < 0 || map.getWidth() <= mapX || mapY < 0 || map.getHeight() <= mapY) {
    return new ShortPoint2D(mapX, mapY);
  }
  float height = map.getHeightAt(mapX, mapY);
  mapX = (int) (getConverter().getExactMapXwithHeight(screenX, screenY, height) + 0.5);
  mapY = (int) (getConverter().getExactMapYwithHeight(screenX, screenY, height) + 0.5);
  height = map.getHeightAt(mapX, mapY);
  mapX = (int) (getConverter().getExactMapXwithHeight(screenX, screenY, height) + 0.5);
  mapY = (int) (getConverter().getExactMapYwithHeight(screenX, screenY, height) + 0.5);
  return new ShortPoint2D(mapX, mapY);
}

  return;
float height = context.getMap().getHeightAt(x, y);
EDirection direction = ship.getDirection();
EDirection shipImageDirection = direction.rotateRight(3); // ship images have a different direction numbering