viewspecificgroupretained.java

JAVA3D矩陈的相关类

/*
 * $RCSfile: ViewSpecificGroupRetained.java,v $
 *
 * Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved.
 *
 * Use is subject to license terms.
 *
 * $Revision: 1.8 $
 * $Date: 2007/04/12 17:34:07 $
 * $State: Exp $
 */

package javax.media.j3d;

import java.util.*;

/**
 * The ViewSpecificGroup node retained object.
 */

class ViewSpecificGroupRetained extends GroupRetained {

    ArrayList apiViewList = new ArrayList();

    // Used by leaf objects particularly GAs
    // Updated in a MT Safe manner and also used by RenderBin
    ArrayList cachedViewList = new ArrayList(); 

   // The object that contains the dynamic HashKey - a string type object
    // Used in scoping 
    HashKey tempKey = new HashKey(250);

    // ArrayList of Integer indices
    ArrayList parentLists = new ArrayList();


    static final int SET_VIEW       = 0x1;
    static final int ADD_VIEW       = 0x2;
    static final int REMOVE_VIEW    = 0x4;
    
    // Construct retained object
    ViewSpecificGroupRetained() {
          this.nodeType = NodeRetained.VIEWSPECIFICGROUP;
	  viewLists = new ArrayList();
    }

    void addView(View view) {
	int i;
	Integer mtype = new Integer(ADD_VIEW);

	apiViewList.add(view);
	if (source.isLive() && view != null) {
	    // Gather all affected leaf nodes and send a message to
	    // RenderingEnv and RenderBin
	    if (inSharedGroup) {
		ArrayList parentList;
		for (int k = 0; k < localToVworldKeys.length; k++) {
		    parentList = (ArrayList)parentLists.get(k);
		    // If the parentList contains this view or if this is the
		    // first VSG then ..
		    if (parentList == null || parentList.contains(view)) {
			Object[] objAry = new Object[4];
			ArrayList addVsgList = new ArrayList();
			ArrayList addLeafList = new ArrayList();
			int[] addKeyList = new int[10];

			HashKey key = localToVworldKeys[k];
			addVsgList.add(this);
			addKeyList[0] = k;
			objAry[0] = view;
			objAry[1] = addVsgList;
			objAry[2] = addLeafList;
			/*
			for (int n = 0; n < addLeafList.size(); n++) {
			    System.err.println("Shared:n = "+n+" addLeafList = "+addLeafList.get(n));
			}
			*/
		      objAry[3] = super.processViewSpecificInfo(ADD_VIEW,
						      (HashKey)key, view,
						      addVsgList, addKeyList, addLeafList);
			J3dMessage message = new J3dMessage();
			message.type = J3dMessage.VIEWSPECIFICGROUP_CHANGED;
			message.threads = (J3dThread.UPDATE_RENDERING_ENVIRONMENT|
					   J3dThread.UPDATE_RENDER |
					   J3dThread.UPDATE_SOUND|
					   J3dThread.SOUND_SCHEDULER);
			message.universe = universe;
			message.args[0] = mtype;
			message.args[1] = objAry;
			VirtualUniverse.mc.processMessage(message);
		    }
		}

	    }
	    else {
		ArrayList parentList = (ArrayList)parentLists.get(0);
		
		// If the parentList contains this view or if this is the
		// first VSG then ..
		if (parentList == null || parentList.contains(view)) {
		    Object[] objAry = new Object[4];
		    ArrayList addVsgList = new ArrayList();
		    ArrayList addLeafList = new ArrayList();
		    int[] addKeyList = new int[10];

		    objAry[0] = view;
		    objAry[1] = addVsgList;
		    objAry[2] = addLeafList;

		    addVsgList.add(this);
		    addKeyList[0] = 0;
		    tempKey.reset();
		    objAry[3] = super.processViewSpecificInfo(ADD_VIEW,
						  tempKey, view,
						  addVsgList, addKeyList, addLeafList);

		    /*
		      for (int n = 0; n < addLeafList.size(); n++) {
		      System.err.println("n = "+n+" addLeafList = "+addLeafList.get(n));
		      }
		      */		      

		    J3dMessage message = new J3dMessage();
		    message.type = J3dMessage.VIEWSPECIFICGROUP_CHANGED;
		    message.threads = (J3dThread.UPDATE_RENDERING_ENVIRONMENT|
				       J3dThread.UPDATE_RENDER |
				       J3dThread.UPDATE_SOUND|
				       J3dThread.SOUND_SCHEDULER);
		    message.universe = universe;
		    message.args[0] = mtype;
		    message.args[1] = objAry;
		    VirtualUniverse.mc.processMessage(message);
		}
	    }


	}
    }
    

    void setView(View view, int index) {
	int i;

	View oldView =  (View)apiViewList.get(index);
	Integer mtype = new Integer(SET_VIEW);

	if (oldView == view)
	    return;
	
	apiViewList.set(index, view);
	if (source.isLive()) {
	    // Gather all affected leaf nodes and send a message to
	    // RenderingEnv and RenderBin
	    if (inSharedGroup) {
		ArrayList parentList;
		for (int k = 0; k < localToVworldKeys.length; k++) {
		    parentList = (ArrayList)parentLists.get(k);
		    Object[] objAry = new Object[8];
		    ArrayList addVsgList = new ArrayList();
		    ArrayList removeVsgList = new ArrayList();
		    ArrayList addLeafList = new ArrayList();
		    ArrayList removeLeafList = new ArrayList();
		    int[] addKeyList = new int[10];
		    int[] removeKeyList = new int[10];

		    objAry[0] = view;
		    objAry[1] = addVsgList ;
		    objAry[2] = addLeafList;
		    objAry[4] = oldView;
		    objAry[5] = removeVsgList;
		    objAry[6] = removeLeafList;
		    
		    HashKey key = localToVworldKeys[k];
		    if (oldView != null && (parentList == null || parentList.contains(oldView))) {
			removeVsgList.add(this);
			removeKeyList[0] = k;
			objAry[7] = super.processViewSpecificInfo(REMOVE_VIEW, (HashKey)key, 
						      oldView, removeVsgList, removeKeyList, removeLeafList);
		    }
		    
		    if (view != null && (parentList == null || parentList.contains(view))) {
			addVsgList.add(this);
			addKeyList[0] = k;
			objAry[3] = super.processViewSpecificInfo(ADD_VIEW, (HashKey)key, 
						      view, addVsgList, addKeyList, addLeafList);
		    }
		    J3dMessage message = new J3dMessage();
		    message.type = J3dMessage.VIEWSPECIFICGROUP_CHANGED;
		    message.threads = (J3dThread.UPDATE_RENDERING_ENVIRONMENT|
				       J3dThread.UPDATE_RENDER |
				       J3dThread.UPDATE_SOUND|
				       J3dThread.SOUND_SCHEDULER);
		    message.universe = universe;
		    message.args[0] = mtype;
		    message.args[1] = objAry;
		    VirtualUniverse.mc.processMessage(message);
		}

	    }
	    else {
		ArrayList parentList = (ArrayList)parentLists.get(0);
		Object[] objAry = new Object[8];
		ArrayList addVsgList = new ArrayList();
		ArrayList removeVsgList = new ArrayList();
		ArrayList addLeafList = new ArrayList();
		ArrayList removeLeafList = new ArrayList();
		int[] addKeyList = new int[10];
		int[] removeKeyList = new int[10];

		objAry[0] = view;
		objAry[1] = addVsgList ;
		objAry[2] = addLeafList;
		objAry[4] = oldView;
		objAry[5] = removeVsgList;
		objAry[6] = removeLeafList;



		tempKey.reset();
		if (oldView != null && (parentList == null || parentList.contains(oldView))) {
		    removeVsgList.add(this);
		    removeKeyList[0] = 0;
		    objAry[7] = super.processViewSpecificInfo(REMOVE_VIEW, (HashKey)tempKey, 
						  oldView, removeVsgList, removeKeyList, removeLeafList);
		}
		if (view != null && (parentList == null || parentList.contains(view))) {
		    tempKey.reset();
		    addVsgList.add(this);
		    addKeyList[0] = 0;
		    objAry[3] =  super.processViewSpecificInfo(ADD_VIEW, (HashKey)tempKey, 
					      view, addVsgList, addKeyList, addLeafList);
		}
		J3dMessage message = new J3dMessage();
		message.type = J3dMessage.VIEWSPECIFICGROUP_CHANGED;
		message.threads = (J3dThread.UPDATE_RENDERING_ENVIRONMENT|
				   J3dThread.UPDATE_RENDER |
				   J3dThread.UPDATE_SOUND|
				   J3dThread.SOUND_SCHEDULER);
			
		message.universe = universe;
		message.args[0] = mtype;
		message.args[1] = objAry;
		VirtualUniverse.mc.processMessage(message);
	    }


	}
	
    }

    int[] processViewSpecificInfo(int mode, HashKey key, View v, ArrayList vsgList, int[] keyList, ArrayList leaflist) {
	int hkIndex = 0;
	Integer hashInt = null;
	int[] newKeyList = null;
	// Get the intersection of the viewList with this view, 

	if (source.isLive()) {
	    if (inSharedGroup) {
		hkIndex = key.equals(localToVworldKeys, 0, localToVworldKeys.length);
	    }
	    
	    if (mode == ADD_VIEW) {
		ArrayList parentList = (ArrayList)parentLists.get(hkIndex);
		parentList.add(v);		
	    }
	    else if (mode == REMOVE_VIEW) {
		ArrayList parentList = (ArrayList)parentLists.get(hkIndex);
		parentList.remove(v);
	    }
	    if(apiViewList.contains(v)) {
	    //	    System.err.println("processViewSpecificInfo, this = "+this+" key = "+key);
		vsgList.add(this);
		if (keyList.length< vsgList.size()) {
		    //		    System.err.println("====> allocating new array");
		    newKeyList = new int[keyList.length+20];
		    System.arraycopy(keyList, 0, newKeyList, 0, keyList.length);
		    keyList = newKeyList;
		}
		if (mode == ADD_VIEW) {
		    if (inSharedGroup) {
			keyList[vsgList.size()-1] = hkIndex;

		    }
		    else {
			keyList[vsgList.size()-1] = 0;
		    }
		}
		else if (mode == REMOVE_VIEW) {
		    if (inSharedGroup) {
			keyList[vsgList.size()-1] = hkIndex;
		    }
		    else {
			keyList[vsgList.size()-1] = 0;
		    }
		}
		return super.processViewSpecificInfo(mode, key, v, vsgList, keyList, leaflist);
	    }
	}
	return keyList;
    }

    View getView(int index) {
	return (View)apiViewList.get(index);
    }

    void insertView(View view, int index) {
	int i;
	Integer mtype = new Integer(ADD_VIEW);

	apiViewList.add(index, view);
	if (source.isLive() && view != null) {
	    // Gather all affected leaf nodes and send a message to
	    // RenderingEnv and RenderBin
	    if (inSharedGroup) {
		ArrayList parentList;
		for (int k = 0; k < localToVworldKeys.length; k++) {
		    parentList = (ArrayList)parentLists.get(k);
		    // If the parentList contains this view or if this is the
		    // first VSG then ..
		    if (parentList == null || parentList.contains(view)) {
			Object[] objAry = new Object[4];
			ArrayList addVsgList = new ArrayList();
			ArrayList addLeafList = new ArrayList();
			int[] addKeyList = new int[10];

			HashKey key = localToVworldKeys[k];
			addVsgList.add(this);
			addKeyList[0] = k;
			objAry[0] = view;
			objAry[1] = addVsgList;
			objAry[2] = addLeafList;
			/*
			for (int n = 0; n < addLeafList.size(); n++) {
			    System.err.println("Shared:n = "+n+" addLeafList = "+addLeafList.get(n));
			}
			*/
		      objAry[3] = super.processViewSpecificInfo(ADD_VIEW,
						      (HashKey)key, view,
						      addVsgList, addKeyList, addLeafList);
			J3dMessage message = new J3dMessage();
			message.type = J3dMessage.VIEWSPECIFICGROUP_CHANGED;
			message.threads = (J3dThread.UPDATE_RENDERING_ENVIRONMENT|
					   J3dThread.UPDATE_RENDER |
					   J3dThread.UPDATE_SOUND|
					   J3dThread.SOUND_SCHEDULER);
			message.universe = universe;
			message.args[0] = mtype;
			message.args[1] = objAry;
			VirtualUniverse.mc.processMessage(message);
		    }
		}

	    }
	    else {
		ArrayList parentList = (ArrayList)parentLists.get(0);
		
		// If the parentList contains this view or if this is the
		// first VSG then ..
		if (parentList == null || parentList.contains(view)) {
		    Object[] objAry = new Object[4];
		    ArrayList addVsgList = new ArrayList();
		    ArrayList addLeafList = new ArrayList();
		    int[] addKeyList = new int[10];

		    objAry[0] = view;
		    objAry[1] = addVsgList;
		    objAry[2] = addLeafList;

		    addVsgList.add(this);
		    addKeyList[0] = 0;
		    tempKey.reset();
		    objAry[3] = super.processViewSpecificInfo(ADD_VIEW,
						  tempKey, view,
						  addVsgList, addKeyList, addLeafList);