public List<RequestObject> makeRequest(RequestObject request) {
List<RequestObject> a = new ArrayList<>();
for (TileLayer layer : layers) a.addAll(layer.callRequest(request));
return a;
}
public void removeLayer(TileLayer layer) {
if (this.layers.remove(layer)) layer.removedFrom(this);
logger.setTileChanged(this);
}
public void addLayer(TileLayer layer) {
if (this.layers.add(layer)) layer.addedTo(this);
sortLayers();
logger.setTileChanged(this);
}