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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.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import javax.media.j3d.CompressedGeometry;
import javax.media.j3d.CompressedGeometryHeader;
import javax.media.j3d.SceneGraphObject;
import javax.vecmath.Point3d;
import com.sun.j3d.utils.scenegraph.io.retained.Controller;
import com.sun.j3d.utils.scenegraph.io.retained.SymbolTableData;
public class CompressedGeometryState extends GeometryState {
private byte[] bytes;
private boolean isByReference;
private CompressedGeometryHeader header;
public CompressedGeometryState(SymbolTableData symbol,Controller control) {
super( symbol, control );
}
@Override
public void writeConstructorParams( DataOutput out ) throws IOException {
super.writeConstructorParams( out );
out.writeBoolean( ((CompressedGeometry)node).isByReference() );
int size = ((CompressedGeometry)node).getByteCount();
out.writeInt( size );
bytes = new byte[ size ];
((CompressedGeometry)node).getCompressedGeometry( bytes );
out.write( bytes );
header = new CompressedGeometryHeader();
((CompressedGeometry)node).getCompressedGeometryHeader( header );
writeCompressedGeometryHeader( out );
}
@Override
public void readConstructorParams( DataInput in ) throws IOException {
super.readConstructorParams( in );
isByReference = in.readBoolean();
bytes = new byte[ in.readInt() ];
in.readFully( bytes );
header = new CompressedGeometryHeader();
readCompressedGeometryHeader( in );
}
private void writeCompressedGeometryHeader( DataOutput out ) throws IOException {
out.writeInt( header.majorVersionNumber );
out.writeInt( header.minorVersionNumber );
out.writeInt( header.minorMinorVersionNumber );
out.writeInt( header.bufferType );
out.writeInt( header.bufferDataPresent );
out.writeInt( header.size );
out.writeInt( header.start );
if (header.lowerBound == null) {
control.writePoint3d(out, new Point3d(-1, -1, -1));
} else {
control.writePoint3d( out, header.lowerBound );
}
if (header.upperBound == null) {
control.writePoint3d(out, new Point3d(1, 1, 1));
} else {
control.writePoint3d( out, header.upperBound );
}
}
private void readCompressedGeometryHeader( DataInput in ) throws IOException {
header.majorVersionNumber = in.readInt();
header.minorVersionNumber = in.readInt();
header.minorMinorVersionNumber = in.readInt();
header.bufferType = in.readInt();
header.bufferDataPresent = in.readInt();
header.size = in.readInt();
header.start = in.readInt();
header.lowerBound = control.readPoint3d( in );
if ((header.lowerBound.x == -1) &&
(header.lowerBound.y == -1) &&
(header.lowerBound.z == -1)) {
header.lowerBound = null;
}
header.upperBound = control.readPoint3d( in );
if ((header.upperBound.x == 1) &&
(header.upperBound.y == 1) &&
(header.upperBound.z == 1)) {
header.upperBound = null;
}
}
@Override
public SceneGraphObject createNode( Class j3dClass ) {
return createNode( j3dClass, new Class[] { CompressedGeometryHeader.class,
bytes.getClass(),
Boolean.TYPE },
new Object[] { header,
bytes,
new Boolean(isByReference) } );
}
@Override
protected SceneGraphObject createNode() {
return new CompressedGeometry( header, bytes, isByReference );
}
}