// **********************************************************************//// <copyright>////  BBN Technologies//  10 Moulton Street//  Cambridge, MA 02138//  (617) 873-8000////  Copyright (C) BBNT Solutions LLC. All rights reserved.//// </copyright>// **********************************************************************//// $Source: /cvs/distapps/openmap/src/j3d/com/bbn/openmap/tools/j3d/MapContentManager.java,v $// $RCSfile: MapContentManager.java,v $// $Revision: 1.3.2.3 $// $Date: 2005/08/11 21:36:12 $// $Author: dietrick $//// **********************************************************************package com.bbn.openmap.tools.j3d;import java.awt.BorderLayout;import javax.media.j3d.AmbientLight;import javax.media.j3d.Background;import javax.media.j3d.Behavior;import javax.media.j3d.BoundingSphere;import javax.media.j3d.BranchGroup;import javax.media.j3d.Group;import javax.media.j3d.TransformGroup;import javax.swing.JFrame;import com.bbn.openmap.MapBean;import com.bbn.openmap.MapHandler;import com.bbn.openmap.proj.Projection;import com.bbn.openmap.util.Debug;/** * The 3D manager that takes an OpenMap MapHandler, and creates a 3D * world from the layers in it. The layer's OMGraphics are converted * to 3D objects. *  * @author dietrick */public class MapContentManager extends OM3DManager {    protected MapContentManager() {        super.init();    }    /**     * @param mapHandler the OpenMap MapHandler.     */    public MapContentManager(MapHandler mapHandler, int contentMask) {        this(mapHandler, new Background(0f, 0f, 0f), contentMask);    }    /**     * @param mapHandler the OpenMap MapHandler.     * @param background the background object to use for the 3D     *        scene. Use this to change the sky color, for instance.     */    public MapContentManager(MapHandler mapHandler, Background background,            int contentMask) {        super.init();        createWorld(mapHandler, background, contentMask);    }    protected void createWorld(MapHandler mapHandler, Background background,                               int contentMask) {        setSceneBackground(background);        // objRootBG gets created in super class        addMapContent(mapHandler, objRootBG, contentMask);    }    /**     * IMPORTANT! You need to call this to compile the universe after     * everything is set.     */    public void compileUniverse() {        // Important!! Compiles the universe        ((UniverseManager) universe).makeLive();    }    public void addBehavior(Behavior behavior) {        objRootBG.addChild(behavior);    }    /**     * This is the main function that gets called when the     * MapContentViewer is created, to create the world objects in the     * universe. It builds the objects to put in the J3D world from     * the objects contained within the MapHandler. This method calls     * setCameraLocation(), so you can modify where the camera is     * placed there, and then calls createMapContent() to have a     * BranchGroup created with 3D objects. You can modify those     * methods to adjust how things get created.     *      * @param mapHandler The feature to be added to the MapContent     *        attribute     * @param worldGroup The feature to be added to the MapContent     *        attribute     */    protected void addMapContent(MapHandler mapHandler, BranchGroup worldGroup,                                 int contentMask) {        Projection projection = null;        if (mapHandler != null) {            MapBean mapBean = (MapBean) mapHandler.get("com.bbn.openmap.MapBean");            if (mapBean != null) {                projection = mapBean.getProjection();            }            TransformGroup mapTransformGroup = new TransformGroup();            mapTransformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);            mapTransformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);            Debug.message("3d", "OM3DViewer: adding map content");            BoundingSphere bs = new BoundingSphere(ORIGIN, boundsDimension);            //BoundingLeaf boundingLeaf = new BoundingLeaf(bs);            background.setApplicationBounds(bs);            mapTransformGroup.addChild(background);            createMapContent(mapTransformGroup, mapHandler, contentMask);            // Lights up the whole world. If this isn't added, the            // land is black            AmbientLight ambientLight = new AmbientLight();            ambientLight.setInfluencingBounds(bs);            worldGroup.addChild(ambientLight);            // ///////            Behavior beh = getMotionBehavior((TransformGroup) getCamera().getNode(),                    projection);            beh.setSchedulingBounds(bs);            worldGroup.addChild(beh);            // ///////            worldGroup.addChild(mapTransformGroup);        }    }    protected void createMapContent(TransformGroup mapTransformGroup,                                    MapHandler mapHandler, int contentMask) {        if ((contentMask & CONTENT_MASK_OMGRAPHICHANDLERLAYERS) != 0) {            mapTransformGroup.addChild(createLayerMapContent(mapHandler));        }        mapTransformGroup.addChild(createMapContent(mapHandler, contentMask));    }    /**     * Called from addMapContent. Create a BranchGroup, and put your     * 3D objects in it. The MapBean in the MapHandler has a     * projection that can be used to lay things out, and the layers     * have objects to render.     *      * @param mapHandler Description of the Parameter     * @return Description of the Return Value     */    protected Group createLayerMapContent(MapHandler mapHandler) {        return new LayerMapContent(mapHandler);    }    /**     * @param mapHandler Description of the Parameter     * @return Description of the Return Value     */    protected Group createMapContent(MapHandler mapHandler, int contentMask) {        return new MapContent(mapHandler, contentMask);    }    /**     * Called from addMapContent(), to set up the Transforms for     * motion. The projection is provided in case you want to locate     * the camera or map in a certain geographical location.     *      * @param cameraTransform Description of the Parameter     * @param projection Description of the Parameter     * @return The motionBehavior value     */    public Behavior getMotionBehavior(TransformGroup cameraTransform,                                      Projection projection) {        return new OMKeyBehavior(cameraTransform, projection);    }    public static JFrame getFrame(String title, int width, int height,                                  MapHandler mapHandler, Background background,                                  int contentMask) {        JFrame frame = new JFrame(title);        frame.setSize(width, height);        frame.getContentPane().setLayout(new BorderLayout());        MapContentManager mc3d = new MapContentManager(mapHandler, background, contentMask);        mc3d.compileUniverse();        frame.getContentPane().add("Center", mc3d.getCanvas());        return frame;    }}