01: /*
02: * $RCSfile: OrderedCollection.java,v $
03: *
04: * Copyright 1999-2008 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
06: *
07: * This code is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU General Public License version 2 only, as
09: * published by the Free Software Foundation. Sun designates this
10: * particular file as subject to the "Classpath" exception as provided
11: * by Sun in the LICENSE file that accompanied this code.
12: *
13: * This code is distributed in the hope that it will be useful, but WITHOUT
14: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16: * version 2 for more details (a copy is included in the LICENSE file that
17: * accompanied this code).
18: *
19: * You should have received a copy of the GNU General Public License version
20: * 2 along with this work; if not, write to the Free Software Foundation,
21: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
22: *
23: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
24: * CA 95054 USA or visit www.sun.com if you need additional information or
25: * have any questions.
26: *
27: * $Revision: 1.5 $
28: * $Date: 2008/02/28 20:17:27 $
29: * $State: Exp $
30: */
31:
32: package javax.media.j3d;
33:
34: import java.util.ArrayList;
35:
36: /**
37: * An OrderCollections contains a LightBin and an ArrayList of
38: * of all top level OrderedGroups under this OrderCollection
39: */
40: class OrderedCollection extends Object implements ObjectUpdate {
41:
42: LightBin lightBin = null;
43:
44: // a list of top level orderedBins under this orderedCollection
45: ArrayList childOrderedBins = new ArrayList();
46:
47: // LightBin used for next frame
48: LightBin nextFrameLightBin = null;
49:
50: // LightBins to be added for this frame
51: LightBin addLightBins = null;
52:
53: boolean onUpdateList = false;
54:
55: public void updateObject() {
56: int i;
57: LightBin lb;
58: lightBin = nextFrameLightBin;
59: if (addLightBins != null) {
60: if (lightBin != null) {
61: addLightBins.prev = lightBin;
62: lightBin.next = addLightBins;
63: } else {
64: lightBin = addLightBins;
65: nextFrameLightBin = lightBin;
66: }
67: }
68: addLightBins = null;
69: onUpdateList = false;
70: }
71:
72: }
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