* @param x new x-position
* @param y new y-position
* @param entity entity to move
*/
private void displace(final Player player, final StendhalRPZone zone, final int x, final int y, final PassiveEntity entity, final int quantity) {
new GameEvent(player.getName(), "displace", entity.get("type")).raise();
final int oldX = entity.getX();
final int oldY = entity.getY();
if (entity instanceof Item) {