public void makeOrderedRenderable(DrawContext dc, AirspaceRenderer renderer) {
if (dc == null) {
String message = Logging.getMessage("nullValue.DrawContextIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (renderer == null) {
String message = Logging.getMessage("nullValue.RendererIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
for (Layer layer : this.layers) {
if (!layer.isVisible()) continue;
if (!layer.isAirspaceVisible(dc)) continue;
// The layer is responsible for applying its own attributes, so we override its attributes
// with our own just
// before rendering.
layer.setAttributes(this.getAttributes());
// Create an ordered renderable that draws each layer, but specifies this Cake as the picked
// object.
OrderedRenderable or =
renderer.createOrderedRenderable(dc, layer, layer.computeEyeDistance(dc), this);
dc.addOrderedRenderable(or);
}
}
public boolean isAirspaceVisible(DrawContext dc) {
if (dc == null) {
String message = Logging.getMessage("nullValue.DrawContextIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
// If the parent Cake is not visible, then return false immediately without testing the child
// layers.
if (!super.isAirspaceVisible(dc)) return false;
boolean visible = false;
// The parent Cake is visible. Since the parent Cake's extent potentially contains volumes where
// no child
// geometry exists, test that at least one of the child layers are visible.
for (Layer l : this.layers) {
if (l.isAirspaceVisible(dc)) {
visible = true;
break;
}
}
return visible;
}
protected void doRenderGeometry(DrawContext dc, String drawStyle) {
if (dc == null) {
String message = Logging.getMessage("nullValue.DrawContextIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
// Called by AirspaceRenderer's drawNow and pickNow methods. These methods do not use the
// ordered renderable
// queue, so TrackAirspace must explicitly initiate drawing its legs. When airspace rendering is
// initiated via
// AirspaceRenderer drawOrdered or pickOrdered, TrackAirspace does not add an ordered renderable
// for itself, so
// this method is never initiated.
for (Layer l : this.layers) {
if (!l.isVisible()) continue;
if (!l.isAirspaceVisible(dc)) continue;
l.renderGeometry(dc, drawStyle);
}
}