com.sun.j3d.utils.scenegraph.io.state.javax.media.j3d.IndexedGeometryArrayState Maven / Gradle / Ivy

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/*
 * Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistribution of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - Redistribution in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in
 *   the documentation and/or other materials provided with the
 *   distribution.
 *
 * Neither the name of Sun Microsystems, Inc. or the names of
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 *
 * This software is provided "AS IS," without a warranty of any
 * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
 * EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
 * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
 * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
 * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
 * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
 * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
 * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
 * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 *
 * You acknowledge that this software is not designed, licensed or
 * intended for use in the design, construction, operation or
 * maintenance of any nuclear facility.
 *
 */

package com.sun.j3d.utils.scenegraph.io.state.javax.media.j3d;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInput;
import java.io.DataInputStream;
import java.io.DataOutput;
import java.io.DataOutputStream;
import java.io.IOException;

import javax.media.j3d.GeometryArray;
import javax.media.j3d.IndexedGeometryArray;
import javax.media.j3d.IndexedGeometryStripArray;

import com.sun.j3d.utils.scenegraph.io.retained.Controller;
import com.sun.j3d.utils.scenegraph.io.retained.SymbolTableData;

public abstract class IndexedGeometryArrayState extends GeometryArrayState {

    protected int indexCount;

    public IndexedGeometryArrayState(SymbolTableData symbol,Controller control) {
	super( symbol, control );
    }

    @Override
    public void writeObject( DataOutput out ) throws IOException {
        super.writeObject( out );

        int[] indices = new int[ ((IndexedGeometryArray)node).getIndexCount() ];

	boolean coordOnly = (vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) !=0;

	if ( (((vertexFormat & GeometryArray.COLOR_3)!=0) ||
              ((vertexFormat & GeometryArray.COLOR_4)!=0)) && !coordOnly ) {
	    ((IndexedGeometryArray)node).getColorIndices( 0, indices );
	    writeIntArray( out, indices );
	}

	if ( (vertexFormat & GeometryArray.COORDINATES)!=0 ) {
	    ((IndexedGeometryArray)node).getCoordinateIndices( 0, indices );
	    writeIntArray( out, indices );
	}

	if ( ((vertexFormat & GeometryArray.NORMALS)!=0) && !coordOnly) {
	    ((IndexedGeometryArray)node).getNormalIndices( 0, indices );
	    writeIntArray( out, indices );
	}

	if ( (((vertexFormat & GeometryArray.TEXTURE_COORDINATE_2)!=0) ||
	      ((vertexFormat & GeometryArray.TEXTURE_COORDINATE_3)!=0) ||
              ((vertexFormat & GeometryArray.TEXTURE_COORDINATE_4)!=0)) && !coordOnly ) {
            for(int i=0; i<((IndexedGeometryArray)node).getTexCoordSetCount(); i++) {
	        ((IndexedGeometryArray)node).getTextureCoordinateIndices( i, 0, indices );
	        writeIntArray( out, indices );
            }
	}

	if ( !(node instanceof IndexedGeometryStripArray) ) {
	  out.writeInt( ((IndexedGeometryArray)node).getValidIndexCount() );
	}
	out.writeInt( ((IndexedGeometryArray)node).getInitialIndexIndex() );
    }

    @Override
    public void readObject( DataInput in ) throws IOException {
        super.readObject( in );

        int[] indices = new int[indexCount];

	boolean coordOnly = (vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) != 0;

	if ( (((vertexFormat & GeometryArray.COLOR_3)!=0) ||
	      ((vertexFormat & GeometryArray.COLOR_4)!=0)) && !coordOnly ) {
	    readIntArray( in, indices );
	    ((IndexedGeometryArray)node).setColorIndices( 0, indices );
	}

	if ( (vertexFormat & GeometryArray.COORDINATES)!=0 ) {
	    readIntArray( in, indices );
	    ((IndexedGeometryArray)node).setCoordinateIndices( 0, indices );
	}

	if ( ((vertexFormat & GeometryArray.NORMALS)!=0) && !coordOnly ) {
	    readIntArray( in, indices );
	    ((IndexedGeometryArray)node).setNormalIndices( 0, indices );
	}

	if ( (((vertexFormat & GeometryArray.TEXTURE_COORDINATE_2)!=0) ||
	      ((vertexFormat & GeometryArray.TEXTURE_COORDINATE_3)!=0) ||
	      ((vertexFormat & GeometryArray.TEXTURE_COORDINATE_4)!=0)) && !coordOnly ) {
	    for(int i=0; i