How to use

getMapObjectsAt

method

in

jsettlers.common.map.IGraphicsGrid

private boolean hasTreeObject(int x, int y) {
  IMapObject o = map.getMap().getMapObjectsAt(x, y);
  while (o != null) {
    EMapObjectType type = o.getObjectType();
    if (type == EMapObjectType.TREE_ADULT
        || type == EMapObjectType.TREE_DEAD) {
      return true;
    }
    o = o.getNextObject();
  }
  return false;
}

private void drawTile(int x, int y) {
  int tileIndex = x+y*width;
  IMapObject object = objectsGrid != null ? objectsGrid[tileIndex] : map.getMapObjectsAt(x, y);
  if (object != null) {
    this.objectDrawer.drawMapObject(x, y, object);
    object = objectsGrid != null ? objectsGrid[tileIndex-3*width] :map.getMapObjectsAt(x, y - 3);
    if (object != null && object.getObjectType() == EMapObjectType.BUILDING && ((IBuilding) object).getBuildingType() == EBuildingType.STOCK) {
      this.objectDrawer.drawStockFront(x, y - 3, (IBuilding) object);
    object = objectsGrid != null ? objectsGrid[tileIndex+3*width] : map.getMapObjectsAt(x, y + 3);
    if (object != null) {
      EMapObjectType type = object.getObjectType();

ShortPoint2D underMouse = this.context.getPositionOnScreen((float) mousePosition.getX(), (float) mousePosition.getY());
if (0 <= underMouse.x && underMouse.x < width && 0 <= underMouse.y && underMouse.y < height) {
  IMapObject mapObject = map.getMapObjectsAt(underMouse.x, underMouse.y);

IMapObject object = map.getMapObjectsAt(x, y);
IBuilding building = (object != null) ? (IBuilding) object.getMapObject(EMapObjectType.BUILDING) : null;