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package jp.go.aist.hrp.simulator;
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import javax.media.j3d.TransformGroup;
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import javax.media.j3d.BranchGroup;
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import java.util.Hashtable;
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import java.util.Enumeration;
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import com.sun.j3d.loaders.vrml97.node.*;
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import com.sun.j3d.loaders.vrml97.impl.Route;
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//import com.sun.j3d.loaders.vrml97.impl.*;
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import java.util.StringTokenizer;
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// ���Υ��饹�� VrmlScene �Τޤޥ��ԡ��������
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// ����� getField �� getNodeTypeString ���ɲä�����ΤǤ���
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// ��äư����Υ����ȤϤ�Ȥ� VrmlScene �Τ�ΤǤ���
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public class VrmlSceneEx implements com.sun.j3d.loaders.Scene {
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com.sun.j3d.loaders.vrml97.impl.Scene base;
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Viewpoint[] viewpoints;
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Background[] backgrounds;
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Hashtable<Object, Object> defTable;
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BranchGroup scene = null;
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// proto �����Ƥ���¸���Ƥ���
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// ���β�����Ĥ���ʬ���ɲä�����åɤǤ��롣
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// ���Υ�åɤ� def ��̾���� field ��̾������ꤷ�� Field ���֤����Ȥ������ΤޤޤΥ�åɤǤ���
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// �֤��ʤ����ϤȤꤢ���� null ���֤���
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public com.sun.j3d.loaders.vrml97.impl.Field getField(String defName,String fieldName)
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// �ޤ� getNamedObjects �� def ̾�ΰ������������¸���Ƥ���
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com.sun.j3d.loaders.vrml97.impl.BaseNode node = base.use(defName);
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return node.getField(fieldName);
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// def ��̾������ꤷ�Ƥ���̾���ȥ���֤��Ȥ������ΤޤޤΥ�åɤǤ���
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public String getNodeTypeString(String defName)
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com.sun.j3d.loaders.vrml97.impl.BaseNode node = base.use(defName);
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return node.wrap().getType();
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VrmlSceneEx(com.sun.j3d.loaders.vrml97.impl.Scene base) {
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description = base.description;
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numTris = base.numTris;
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objects = new BaseNode[base.objects.size()];
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Enumeration elems = base.objects.elements();
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for (int i = 0; i < objects.length; i++) {
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com.sun.j3d.loaders.vrml97.impl.BaseNode node =
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(com.sun.j3d.loaders.vrml97.impl.BaseNode)elems.nextElement();
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objects[i] = node.wrap();
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viewpoints = new Viewpoint[base.viewpoints.size()];
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elems = base.viewpoints.elements();
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for (int i = 0; i < viewpoints.length; i++) {
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viewpoints[i] = (com.sun.j3d.loaders.vrml97.node.Viewpoint)
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((com.sun.j3d.loaders.vrml97.impl.BaseNode)
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elems.nextElement()).wrap();
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navInfos = new Node[base.navInfos.size()];
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elems = base.navInfos.elements();
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for (int i = 0; i < navInfos.length; i++) {
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navInfos[i] = (vrml.node.Node)
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((com.sun.j3d.loaders.vrml97.impl.BaseNode)
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elems.nextElement()).wrap();
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backgrounds = new Background[base.backgrounds.size()];
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elems = base.backgrounds.elements();
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for (int i = 0; i < backgrounds.length; i++) {
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backgrounds[i] = (com.sun.j3d.loaders.vrml97.node.Background)
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((com.sun.j3d.loaders.vrml97.impl.BaseNode)
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elems.nextElement()).wrap();
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fogs = new Fog[base.fogs.size()];
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elems = base.fogs.elements();
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for (int i = 0; i < fogs.length; i++) {
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fogs[i] = (com.sun.j3d.loaders.vrml97.node.Fog)
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((com.sun.j3d.loaders.vrml97.impl.BaseNode)
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elems.nextElement()).wrap();
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lights = new Light[base.lights.size()];
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elems = base.lights.elements();
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for (int i = 0; i < lights.length; i++) {
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lights[i] = (com.sun.j3d.loaders.vrml97.node.Light)
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((com.sun.j3d.loaders.vrml97.impl.BaseNode)
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elems.nextElement()).wrap();
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defTable = new Hashtable<Object, Object>();
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for (elems = base.defTable.keys(); elems.hasMoreElements();){
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Object key = elems.nextElement();
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Object value = ((com.sun.j3d.loaders.vrml97.impl.BaseNode)
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base.defTable.get(key)).wrap();
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defTable.put(key, value);
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* Returns the root nodes of the VRML scene, gathered into a BranchGroup
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public BranchGroup getSceneGroup() {
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scene = new BranchGroup();
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for (int i = 0; i < objects.length; i++) {
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javax.media.j3d.Node j3dNode;
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if ((j3dNode = objects[i].getImplNode()) != null) {;
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scene.addChild(j3dNode);
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* Returns the TransformGroups associated with the VRML Viewpoints.
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* The TransformGroups returned will be parented withing the SceneGroup.
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* The ViewPlatform will be the child of the TransformGroup
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public TransformGroup[] getViewGroups() {
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TransformGroup[] views = new TransformGroup[viewpoints.length];
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for (int i = 0; i < viewpoints.length; i++) {
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views[i] = (TransformGroup)viewpoints[i].getImplNode();
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* Returns the horizontal field of view values for the Viewpoints in
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public float[] getHorizontalFOVs() {
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float[] fovs = new float[viewpoints.length];
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for (int i = 0; i < viewpoints.length; i++) {
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fovs[i] = viewpoints[i].getFOV();
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* Returns Java3D Light nodes in the scene.
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* The Light nodes returned will be parented within the SceneGroup
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public javax.media.j3d.Light[] getLightNodes() {
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javax.media.j3d.Light[] j3dLights =
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new javax.media.j3d.Light[lights.length * 2];
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for (int i = 0; i < lights.length; i++) {
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j3dLights[i*2] = lights[i].getAmbientLight();
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j3dLights[i*2 + 1] = lights[i].getLight();
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* Gets a Hashtable containing the VRML DEF table, with the key being the
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* DEF name and the value being the Java3D SceneGraphObject associated
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* with the VRML Node.
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public Hashtable<Object, javax.media.j3d.SceneGraphObject> getNamedObjects() {
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Hashtable<Object, javax.media.j3d.SceneGraphObject> j3dDefTable
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= new Hashtable<Object, javax.media.j3d.SceneGraphObject>();
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for (Enumeration elems = defTable.keys();
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elems.hasMoreElements();){
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Object key = elems.nextElement();
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BaseNode node = (BaseNode)defTable.get(key);
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javax.media.j3d.SceneGraphObject value = node.getImplObject();
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j3dDefTable.put(key, value);
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* Returns the J3D Background nodes in the scene.
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* The Background nodes returned will be parented within the SceneGroup
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public javax.media.j3d.Background[] getBackgroundNodes() {
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javax.media.j3d.Background[] j3dBackgrounds =
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new javax.media.j3d.Background[backgrounds.length];
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for (int i = 0; i < backgrounds.length; i++) {
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j3dBackgrounds[i] = backgrounds[i].getBackgroundImpl();
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return j3dBackgrounds;
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* Returns the J3D Fog nodes in the scene.
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* The Fog nodes returned will be parented within the SceneGroup
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public javax.media.j3d.Fog[] getFogNodes() {
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javax.media.j3d.Fog[] j3dFogs = new javax.media.j3d.Fog[fogs.length];
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for (int i = 0; i < fogs.length; i++) {
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j3dFogs[i] = fogs[i].getFogImpl();
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* The VRML loader does not support loading behaviors, this method
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public javax.media.j3d.Behavior[] getBehaviorNodes() {
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* The VRML loader does not support loading sounds, this method
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public javax.media.j3d.Sound[] getSoundNodes() {
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* Returns the description (if any) from the first WorldInfo node
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* read. If there is no description specified, null will be returned
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public String getDescription() {
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// the VRML specific methods start here
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* Scans the subgraph, clearing the pickable and collidable flags on
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* the Shape3Ds in the subgraph to allow compilation. The pickable
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* flag will be set to false if the Shape3D does not have an ancestor
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* which sets the ALLOW_PICK_REPORTING bit. The collidable flag will
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* always be set to false.
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public void cleanForCompile(javax.media.j3d.Node root) {
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com.sun.j3d.loaders.vrml97.impl.TreeCleaner.cleanSubgraph(root);
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* Returns the base level VRML nodes
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public BaseNode[] getObjects() {
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BaseNode nodes[] = new BaseNode[objects.length];
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for (int i = 0; i < objects.length; i++) {
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nodes[i] = objects[i];
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* Returns the Viewpoint nodes in the scene
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public Viewpoint[] getViewpoints() {
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Viewpoint[] vps = new Viewpoint[viewpoints.length];
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for (int i = 0; i < viewpoints.length; i++) {
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vps[i] = viewpoints[i];
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* Returns the a Hashtable which associated DEF names with Nodes
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public Hashtable getDefineTable() {
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Hashtable<Object, Object> userDefTable = new Hashtable<Object, Object>();
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for (Enumeration elems = defTable.keys();
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elems.hasMoreElements();){
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Object key = elems.nextElement();
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Object value = defTable.get(key);
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userDefTable.put(key, value);
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* Returns the approximate number of triangles in the Scene. For Switch
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* and LOD nodes, only the triangles on the first child of the node are
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public int getNumTris() {
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public void writeX3D(java.io.Writer w,String systemId) throws java.io.IOException {
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// will need to surround with <Scene> and </Scene>
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w.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
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w.write("<!DOCTYPE X3D SYSTEM \""+systemId+"\">\n");
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w.write("<X3D>\n <Scene>\n");
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// �����ȥ����Ȥ��Ƥ���ΤϤ����� On �ˤ�����ɤ�ʬ����ʤ����顼����Ϥ��뤿��
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// for(int i = 0; i< objects.length; i++)
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// objects[i].writeX3D(w,this);
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Enumeration e = base.routes.elements();
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while(e.hasMoreElements()) {
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Route r = (Route)(e.nextElement());
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w.write(" </Scene>\n</X3D>\n");
added
removed
server/ModelLoader.old/ModelLoader/VrmlSceneEx.java
