Gets Harvey's changes

1 files changed, 184 insertions, 0 deletions

diff --git a/src/javax/media/j3d/SceneGraphObjectRetained.java b/src/javax/media/j3d/SceneGraphObjectRetained.java
new file mode 100644
index 0000000..09000a7
--- /dev/null
+++ b/src/javax/media/j3d/SceneGraphObjectRetained.java
@@ -0,0 +1,184 @@
+/*
+ * Copyright 1997-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package javax.media.j3d;
+
+
+/**
+ * SceneGraphObjectRetained is a superclass, which has things that
+ * are common to all retained scene graph component objects.
+ */
+abstract class SceneGraphObjectRetained extends IndexedObject
+	implements Cloneable {
+
+    // The object which created this retained mode object
+    SceneGraphObject source;
+
+    // This boolean is true when the object is in a Background BranchGroup
+    boolean inBackgroundGroup = false;
+
+    // This boolean is true when the object is in the update list
+    boolean onUpdateList = false;
+
+    // A flag to indicate if the node is in setLive, note that
+    // since the live is set to true only at the end, this flag
+    // is need for scoping to mark the nodes that are inSetLive
+
+    boolean inSetLive = false;
+
+    // A flag used in compile to indicate if this node needs to go
+    // through the second pass
+
+    final static int DONT_MERGE = 0;
+    final static int MERGE	= 1;
+    final static int MERGE_DONE	= 2;
+
+    int mergeFlag = 0;
+
+    /**
+     * Caches the source object that created this retained mode object.
+     * @param source the object which created this retained mode object.
+     */
+    void setSource(SceneGraphObject source) {
+	this.source = source;
+    }
+
+    /**
+     * Returns the cached source object that created this retained mode
+     * object.
+     * @return the object which created this retained mode object.
+     */
+    SceneGraphObject getSource() {
+	return this.source;
+    }
+
+    void markAsLive() {
+	this.source.setLive();
+	inSetLive = false;
+    }
+
+    void setLive(boolean inBackgroundGroup) {
+	doSetLive(inBackgroundGroup);
+	markAsLive();
+    }
+       boolean isInSetLive() {
+	   return inSetLive;
+       }
+
+    /**
+     * Makes the internal node live.
+     */
+    void doSetLive(boolean inBackgroundGroup) {
+	inSetLive = true;
+	this.inBackgroundGroup = inBackgroundGroup;
+    }
+
+    void setLive(SetLiveState s) {
+	doSetLive(s);
+	markAsLive();
+    }
+
+   /**
+     * Makes the internal node live.
+     */
+    void doSetLive(SetLiveState s) {
+	inSetLive = true;
+	inBackgroundGroup = s.inBackgroundGroup;
+    }
+
+    /**
+     * Makes the internal node not live
+     */
+    void clearLive(VirtualUniverse univ, int index,
+	 	   boolean sharedGroup, HashKey [] keys) {
+	inBackgroundGroup = false;
+	this.source.clearLive();
+    }
+
+    /**
+     * Makes the internal node not live
+     */
+    void clearLive() {
+	inBackgroundGroup = false;
+	this.source.clearLive();
+    }
+
+    /**
+     * This marks this object as compiled.
+     */
+    void setCompiled() {
+	this.source.setCompiled();
+    }
+
+
+    /**
+     * This is the default compile() method, which just marks the sgo as
+     * compiled.
+     */
+    void compile(CompileState compState) {
+	setCompiled();
+    }
+
+    void merge(CompileState compState) {
+    }
+
+    void mergeTransform(TransformGroupRetained xform) {
+    }
+
+    void traverse(boolean sameLevel, int level) {
+
+	System.err.println();
+        for (int i = 0; i < level; i++) {
+             System.err.print(".");
+        }
+        System.err.print(this);
+    }
+
+    /**
+     * true if component can't be read or written after compile or setlive()
+     */
+    boolean isStatic() {
+        return source.capabilityBitsEmpty();
+    }
+
+    @Override
+    protected Object clone() {
+	try {
+	    return super.clone();
+	} catch (CloneNotSupportedException e) {
+	    return null;
+	}
+    }
+
+    void handleFrequencyChange(int bit) {
+    }
+
+    @Override
+    VirtualUniverse getVirtualUniverse() {
+	return null;
+    }
+
+}