@Override
    public void render(RenderManager rm, ViewPort vp) {
        if (!isEnabled()) return;
        if (bakeNeeded) {
            bakeNeeded = false;
            rebakeNow(rm);
        }
    }
Returns true if savable results are required by this control.

@return true if savable results are required.
jme3-core/src/main/java/com/jme3/environment/EnvironmentProbeControl.java