geometryarraystate.java

JAVA3D矩陈的相关类

/*
 * $RCSfile: GeometryArrayState.java,v $
 *
 * 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.
 *
 * $Revision: 1.4 $
 * $Date: 2007/02/09 17:20:34 $
 * $State: Exp $
 */

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

import java.io.*;
import javax.media.j3d.GeometryArray;
import javax.media.j3d.IndexedGeometryArray;
import javax.media.j3d.GeometryStripArray;
import javax.media.j3d.SceneGraphObject;
import javax.vecmath.*;
import com.sun.j3d.utils.scenegraph.io.retained.Controller;
import com.sun.j3d.utils.scenegraph.io.retained.SymbolTableData;
import javax.media.j3d.J3DBuffer;
import com.sun.j3d.internal.ByteBufferWrapper;
import com.sun.j3d.internal.BufferWrapper;
import com.sun.j3d.internal.FloatBufferWrapper;
import com.sun.j3d.internal.DoubleBufferWrapper;
import com.sun.j3d.internal.ByteOrderWrapper;

public abstract class GeometryArrayState extends GeometryState {

    protected int vertexFormat;
    protected int vertexCount;
    protected int texCoordSetCount;
    protected int[] texCoordSetMap;

    private static final int FORMAT_NULL = 0;
    private static final int FORMAT_BYTE = 1;
    private static final int FORMAT_FLOAT = 2;
    private static final int FORMAT_DOUBLE = 3;
    private static final int FORMAT_3B = 4;
    private static final int FORMAT_4B = 5;
    private static final int FORMAT_2F = 6;
    private static final int FORMAT_3F = 7;
    private static final int FORMAT_4F = 8;
    private static final int FORMAT_2D = 9;
    private static final int FORMAT_3D = 10;
    
    public GeometryArrayState( SymbolTableData symbol, Controller control ) {
	super( symbol, control );
    }

    public void writeObject( DataOutput out ) throws IOException {
        super.writeObject( out );
        
	boolean nio = (vertexFormat & GeometryArray.USE_NIO_BUFFER) != 0;

	if ( (vertexFormat & GeometryArray.INTERLEAVED)!=0 ) {

	    if ( !(node instanceof IndexedGeometryArray) ) {
		out.writeInt( ((GeometryArray)node).getInitialVertexIndex() );
		if ( !(node instanceof GeometryStripArray) )
		    out.writeInt( ((GeometryArray)node).getValidVertexCount() );
	    }

	    if ( nio ) {
		FloatBufferWrapper x = new FloatBufferWrapper(
		    ((GeometryArray)node).getInterleavedVertexBuffer());
		float[] f = new float[x.limit()];
		x.position( 0 );
		x.get( f );
		writeFloatArray( out, f );
	    } else writeFloatArray( out, ((GeometryArray)node).getInterleavedVertices() );
	} else {
	    boolean byRef = (vertexFormat & GeometryArray.BY_REFERENCE) != 0;

	    if ( !(node instanceof IndexedGeometryArray) ) {
		if ( !byRef )
		    out.writeInt( ((GeometryArray)node).getInitialVertexIndex() );
		if ( !(node instanceof GeometryStripArray) )
		    out.writeInt( ((GeometryArray)node).getValidVertexCount() );
	    }

	    if ( (vertexFormat & GeometryArray.COLOR_4)==GeometryArray.COLOR_4 ) {
		//System.out.println("COLOR 4");
		if ( byRef ) {
		    if ( !(node instanceof IndexedGeometryArray) ) {
			out.writeInt( ((GeometryArray)node).getInitialColorIndex() );
		    }

		    if ( nio ) {
			J3DBuffer buf = ((GeometryArray)node).getColorRefBuffer();
			switch( BufferWrapper.getBufferType( buf ) ) {
			case BufferWrapper.TYPE_BYTE: {
			    out.writeInt( FORMAT_BYTE );
			    ByteBufferWrapper bb = new ByteBufferWrapper( buf );
			    byte[] bytes = new byte[ bb.limit() ];
			    bb.position( 0 );
			    bb.get( bytes );
			    out.writeInt( bytes.length );
			    out.write( bytes );
			}
			break;
			case BufferWrapper.TYPE_FLOAT: {
			    out.writeInt( FORMAT_FLOAT );
			    FloatBufferWrapper bb = new FloatBufferWrapper( buf );
			    float[] floats = new float[ bb.limit() ];
			    bb.position( 0 );
			    bb.get( floats );
			    writeFloatArray( out, floats );
			}
			break;
			case BufferWrapper.TYPE_NULL: {
			    out.writeInt( FORMAT_NULL );
			}
			break;
			}
		    } else if ( ((GeometryArray)node).getColorRef4f()!=null ) {
			out.writeInt( FORMAT_4F );
			Color4f[] colors = ((GeometryArray)node).getColorRef4f();
			float[] data = new float[ colors.length*4 ];
			for (int i = 0 ; i < colors.length ; i++) {
			    data[ i*4+0 ] = colors[i].x;
			    data[ i*4+1 ] = colors[i].y;
			    data[ i*4+2 ] = colors[i].z;
			    data[ i*4+3 ] = colors[i].w;
			}
			writeFloatArray( out, data );
		    } else if ( ((GeometryArray)node).getColorRefFloat()!=null ) {
			out.writeInt( FORMAT_FLOAT );
			writeFloatArray( out, ((GeometryArray)node).getColorRefFloat() );
		    } else if ( ((GeometryArray)node).getColorRefByte()!=null ) {
			out.writeInt( FORMAT_BYTE );
			byte[] colors = ((GeometryArray)node).getColorRefByte();
			out.writeInt( colors.length );
			out.write( colors );
		    } else if ( ((GeometryArray)node).getColorRef4b()!=null ) {
			out.writeInt( FORMAT_4B );
			Color4b[] colors = ((GeometryArray)node).getColorRef4b();
			out.writeInt( colors.length );
			byte[] data = new byte[ colors.length*4 ];
			for (int i = 0 ; i < colors.length ; i++) {
			  data[ i*4+0 ] = colors[i].x;
			  data[ i*4+1 ] = colors[i].y;
			  data[ i*4+2 ] = colors[i].z;
			  data[ i*4+3 ] = colors[i].w;
			}
			out.write( data );
		    } else out.writeInt( FORMAT_NULL );
		} else {
		    byte[] colors = new byte[ vertexCount*4 ];
		    ((GeometryArray)node).getColors( 0, colors );
		    out.write( colors );
		}
	    } else if ((vertexFormat & GeometryArray.COLOR_3)==GeometryArray.COLOR_3 ) {
		//System.out.println("COLOR 3");
		if ( byRef ) {
		    if ( !(node instanceof IndexedGeometryArray) ) {
			out.writeInt( ((GeometryArray)node).getInitialColorIndex() );
		    }

		    if ( nio ) {
			J3DBuffer buf = ((GeometryArray)node).getColorRefBuffer();
			switch( BufferWrapper.getBufferType( buf ) ) {
			case BufferWrapper.TYPE_BYTE: {
			    out.writeInt( FORMAT_BYTE );
			    ByteBufferWrapper bb = new ByteBufferWrapper( buf );
			    byte[] bytes = new byte[ bb.limit() ];
			    bb.position( 0 );
			    bb.get( bytes );
			    out.writeInt( bytes.length );
			    out.write( bytes );
			}
			break;
			case BufferWrapper.TYPE_FLOAT: {
			    out.writeInt( FORMAT_FLOAT );
			    FloatBufferWrapper bb = new FloatBufferWrapper( buf );
			    float[] floats = new float[ bb.limit() ];
			    bb.position( 0 );
			    bb.get( floats );
			    writeFloatArray( out, floats );
			}
			break;
			case BufferWrapper.TYPE_NULL: {
			    out.writeInt( FORMAT_NULL );
			}
			break;
			}
		    } else if ( ((GeometryArray)node).getColorRef3f()!=null ) {
			out.writeInt( FORMAT_3F );
			Color3f[] colors = ((GeometryArray)node).getColorRef3f();
			float[] data = new float[ colors.length*3 ];
			for (int i = 0 ; i < colors.length ; i++) {
			    data[ i*3+0 ] = colors[i].x;
			    data[ i*3+1 ] = colors[i].y;
			    data[ i*3+2 ] = colors[i].z;
			}
			writeFloatArray( out, data );
		    } else if ( ((GeometryArray)node).getColorRefFloat()!=null ) {
			out.writeInt( FORMAT_FLOAT );
			writeFloatArray( out, ((GeometryArray)node).getColorRefFloat() );
		    } else if ( ((GeometryArray)node).getColorRefByte()!=null ) {
			out.writeInt( FORMAT_BYTE );
			byte[] colors = ((GeometryArray)node).getColorRefByte();
			out.writeInt( colors.length );
			out.write( colors );
		    } else if ( ((GeometryArray)node).getColorRef3b()!=null ) {
			out.writeInt( FORMAT_3B );
			Color3b[] colors = ((GeometryArray)node).getColorRef3b();
			out.writeInt( colors.length );
			byte[] data = new byte[ colors.length*3 ];
			for (int i = 0 ; i < colors.length ; i++) {
			    data[ i*3+0 ] = colors[i].x;
			    data[ i*3+1 ] = colors[i].y;
			    data[ i*3+2 ] = colors[i].z;
			}
			out.write( data );
		    } else out.writeInt( FORMAT_NULL );
		} else {
		    byte[] colors3 = new byte[ vertexCount*3 ];
		    ((GeometryArray)node).getColors( 0, colors3 );
		    out.write( colors3 );
		}
	    }


	    if ((vertexFormat & GeometryArray.COORDINATES)!=0 ) {
		//System.out.println("COORDS");
		if ( byRef ) {
		    if ( !(node instanceof IndexedGeometryArray) ) {
			out.writeInt( ((GeometryArray)node).getInitialCoordIndex() );
		    }

		    if ( nio ) {
			J3DBuffer buf = ((GeometryArray)node).getCoordRefBuffer();
			switch( BufferWrapper.getBufferType( buf ) ) {
			case BufferWrapper.TYPE_FLOAT: {
			    out.writeInt( FORMAT_FLOAT );
			    FloatBufferWrapper bb = new FloatBufferWrapper( buf );
			    float[] floats = new float[ bb.limit() ];
			    bb.position( 0 );
			    bb.get( floats );
			    writeFloatArray( out, floats );
			}
			break;
			case BufferWrapper.TYPE_DOUBLE: {
			    out.writeInt( FORMAT_DOUBLE );
			    DoubleBufferWrapper bb = new DoubleBufferWrapper( buf );
			    double[] doubles = new double[ bb.limit() ];
			    bb.position( 0 );
			    bb.get( doubles );
			    writeDoubleArray( out, doubles );
			}
			break;
			case BufferWrapper.TYPE_NULL: {
			    out.writeInt( FORMAT_NULL );
			}
			break;
			}
		    } else if ( ((GeometryArray)node).getCoordRef3f()!=null ) {
			out.writeInt( FORMAT_3F );
			Point3f[] coords = ((GeometryArray)node).getCoordRef3f();
			float[] data = new float[ coords.length*3 ];
			for (int i = 0 ; i < coords.length ; i++) {
			    data[ i*3+0 ] = coords[i].x;
			    data[ i*3+1 ] = coords[i].y;
			    data[ i*3+2 ] = coords[i].z;
			}
			writeFloatArray( out, data );
		    } else if ( ((GeometryArray)node).getCoordRef3d()!=null ) {
			out.writeInt( FORMAT_3D );
			Point3d[] coords = ((GeometryArray)node).getCoordRef3d();
			double[] data = new double[ coords.length*3 ];
			for (int i = 0 ; i < coords.length ; i++) {
			    data[ i*3+0 ] = coords[i].x;
			    data[ i*3+1 ] = coords[i].y;
			    data[ i*3+2 ] = coords[i].z;