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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.Link;
import javax.media.j3d.SharedGroup;
import com.sun.j3d.utils.scenegraph.io.retained.Controller;
import com.sun.j3d.utils.scenegraph.io.retained.SymbolTableData;
public class LinkState extends LeafState {
private int sharedGroup;
private SymbolTableData sharedGroupSymbol;
/** Creates new BranchGroupState */
public LinkState(SymbolTableData symbol,Controller control) {
super( symbol, control );
if (node!=null) {
SharedGroup sg = ((Link)node).getSharedGroup();
sharedGroup = control.getSymbolTable().addReference( sg );
sharedGroupSymbol = control.getSymbolTable().getSymbol( sharedGroup );
}
}
@Override
public void writeObject( DataOutput out ) throws IOException {
super.writeObject( out );
if (sharedGroupSymbol.nodeState==null) {
out.writeInt( -1 );
SharedGroup sg = ((Link)node).getSharedGroup();
control.writeSharedGroup( out, sg, sharedGroupSymbol );
} else {
out.writeInt( sharedGroupSymbol.nodeID );
}
}
@Override
public void readObject( DataInput in ) throws IOException {
super.readObject( in );
sharedGroup = in.readInt();
if (sharedGroup==-1) {
sharedGroup = control.readSharedGroup( in );
}
}
@Override
public void buildGraph() {
sharedGroupSymbol = control.getSymbolTable().getSymbol( sharedGroup );
((SharedGroupState)sharedGroupSymbol.nodeState).buildGraph();
((Link)node).setSharedGroup( (SharedGroup)sharedGroupSymbol.j3dNode );
super.buildGraph(); // Must be last call in method
}
@Override
protected javax.media.j3d.SceneGraphObject createNode() {
return new Link();
}
}