j3dcore: flatten the directory structure a bit

Signed-off-by: Harvey Harrison <[email protected]>

1 files changed, 353 insertions, 0 deletions

diff --git a/src/javax/media/j3d/LinkRetained.java b/src/javax/media/j3d/LinkRetained.java
new file mode 100644
index 0000000..4ad5ddf
--- /dev/null
+++ b/src/javax/media/j3d/LinkRetained.java
@@ -0,0 +1,353 @@
+/*
+ * 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;
+import java.util.ArrayList;
+
+/**
+ * A Link leaf node consisting of a reference to a SharedGroup node.
+ */
+
+class LinkRetained extends LeafRetained {
+    /**
+     * The SharedGroup component of the link node.
+     */
+    SharedGroupRetained sharedGroup;
+
+    static String plus = "+";
+
+    // This is used when setLive to check for cycle scene graph
+    boolean visited = false;
+
+    LinkRetained() {
+	this.nodeType = NodeRetained.LINK;
+	localBounds = new BoundingBox((Bounds)null);
+    }
+
+    /**
+     * Sets the SharedGroup reference.
+     * @param sharedGroup the SharedGroup node
+     */
+    void setSharedGroup(SharedGroup sharedGroup) {
+	// Note that it is possible that the sharedGroup pass
+	// in already link to another link and live.
+	HashKey newKeys[] = null;
+	boolean abort = false;
+
+	if (source.isLive()) {
+	    // bug 4370407: if sharedGroup is a parent, then don't do anything
+	    if (sharedGroup != null) {
+	        synchronized(universe.sceneGraphLock) {
+	            NodeRetained pa;
+	            for (pa = parent; pa != null; pa = pa.parent) {
+	                if (pa == (NodeRetained)sharedGroup.retained) {
+			    abort = true;
+                            throw new SceneGraphCycleException(J3dI18N.getString("LinkRetained1"));
+	                }
+	            }
+	        }
+	        if (abort)
+		    return;
+	    }
+
+	    newKeys = getNewKeys(locale.nodeId, localToVworldKeys);
+
+	    if (this.sharedGroup != null) {
+		((GroupRetained) parent).checkClearLive(this.sharedGroup,
+							newKeys, true, null,
+							0, 0, this);
+		this.sharedGroup.parents.remove(this);
+	    }
+	}
+
+	if (sharedGroup != null) {
+	    this.sharedGroup =
+		(SharedGroupRetained)sharedGroup.retained;
+	}  else {
+	    this.sharedGroup = null;
+	}
+
+      if (source.isLive() && (sharedGroup != null)) {
+
+	  this.sharedGroup.parents.add(this);
+	  visited = true;
+	  try {
+	      int ci = ((GroupRetained) parent).indexOfChild((Node)this.sharedGroup.source);
+	      ((GroupRetained) parent).checkSetLive(this.sharedGroup,  ci,
+						    newKeys, true, null,
+						    0, this);
+	  } catch (SceneGraphCycleException e) {
+	      throw e;
+          } finally {
+	      visited = false;
+	  }
+      }
+
+    }
+
+  /**
+   * Retrieves the SharedGroup reference.
+   * @return the SharedGroup node
+   */
+    SharedGroup getSharedGroup() {
+	return (sharedGroup != null ?
+		(SharedGroup)this.sharedGroup.source : null);
+    }
+
+    @Override
+    void computeCombineBounds(Bounds bounds) {
+
+	if (boundsAutoCompute) {
+	    sharedGroup.computeCombineBounds(bounds);
+	} else {
+	    // Should this be lock too ? ( MT safe  ? )
+	    synchronized(localBounds) {
+		bounds.combine(localBounds);
+	    }
+	}
+    }
+
+
+    /**
+     * Gets the bounding object of a node.
+     * @return the node's bounding object
+     */
+    @Override
+    Bounds getBounds() {
+	return (boundsAutoCompute ?
+	        (Bounds)sharedGroup.getBounds().clone() :
+	        super.getBounds());
+    }
+
+
+    /**
+     * assign a name to this node when it is made live.
+     */
+    @Override
+    void setLive(SetLiveState s) {
+
+        super.doSetLive(s);
+
+        if (inBackgroundGroup) {
+            throw new
+               IllegalSceneGraphException(J3dI18N.getString("LinkRetained0"));
+        }
+
+	if (nodeId == null) {
+            nodeId = universe.getNodeId();
+	}
+
+	if (sharedGroup != null) {
+	    this.sharedGroup.parents.add(this);
+	    HashKey newKeys[] = getNewKeys(s.locale.nodeId, s.keys);
+	    HashKey oldKeys[] = s.keys;
+	    s.keys = newKeys;
+	    s.inSharedGroup = true;
+	    if (visited) {
+		throw new SceneGraphCycleException(J3dI18N.getString("LinkRetained1"));
+	    }
+	    visited = true;
+	    try {
+		this.sharedGroup.setLive(s);
+	    } catch (SceneGraphCycleException e) {
+		throw e;
+	    } finally {
+		visited = false;
+	    }
+
+	    s.inSharedGroup = inSharedGroup;
+	    s.keys = oldKeys;
+
+	    localBounds.setWithLock(this.sharedGroup.localBounds);
+	}
+
+	super.markAsLive();
+    }
+
+    @Override
+    void setNodeData(SetLiveState s) {
+
+        super.setNodeData(s);
+
+        // add this node to parentTransformLink's childTransformLink
+        if (s.childTransformLinks != null) {
+            // do not duplicate shared nodes
+            synchronized(s.childTransformLinks) {
+                if(!inSharedGroup || !s.childTransformLinks.contains(this)) {
+                    s.childTransformLinks.add(this);
+                }
+            }
+        }
+
+        // add this node to parentSwitchLink's childSwitchLink
+        if (s.childSwitchLinks != null) {
+            if(!inSharedGroup ||
+                        // only add if not already added in sharedGroup
+                        !s.childSwitchLinks.contains(this)) {
+                s.childSwitchLinks.add(this);
+            }
+        }
+    }
+
+
+    @Override
+    void recombineAbove() {
+        localBounds.setWithLock(sharedGroup.localBounds);
+	parent.recombineAbove();
+    }
+
+    /**
+     * assign a name to this node when it is made live.
+     */
+    @Override
+    void clearLive(SetLiveState s) {
+
+	if (sharedGroup != null) {
+	    HashKey newKeys[] = getNewKeys(s.locale.nodeId, s.keys);
+            super.clearLive(s);
+	    HashKey oldKeys[] = s.keys;
+	    s.keys = newKeys;
+	    s.inSharedGroup = true;
+	    this.sharedGroup.parents.remove(this);
+	    this.sharedGroup.clearLive(s);
+	    s.inSharedGroup = inSharedGroup;
+	    s.keys = oldKeys;
+	} else {
+            super.clearLive(s);
+	}
+    }
+
+    @Override
+    void removeNodeData(SetLiveState s) {
+        if(refCount <= 0) {
+	    // either not in sharedGroup or last instance in sharedGroup
+            // remove this node from parentTransformLink's childTransformLink
+            if (parentTransformLink != null) {
+                ArrayList<NodeRetained> obj;
+                if (parentTransformLink instanceof TransformGroupRetained) {
+                    obj = ((TransformGroupRetained)
+                        parentTransformLink).childTransformLinks;
+                } else {
+                    obj = ((SharedGroupRetained)
+                        parentTransformLink).childTransformLinks;
+                }
+                synchronized(obj) {
+                    obj.remove(this);
+                }
+            }
+
+            // remove this node from parentSwitchLink's childSwitchLink
+            if (parentSwitchLink != null) {
+                for(int i=0; i<parentSwitchLink.childrenSwitchLinks.size();i++){
+                	ArrayList<NodeRetained> switchLinks = parentSwitchLink.childrenSwitchLinks.get(i);
+                    if (switchLinks.contains(this)) {
+                        switchLinks.remove(this);
+                        break;
+                    }
+                }
+            }
+        }
+	super.removeNodeData(s);
+    }
+
+
+    @Override
+    void updatePickable(HashKey keys[], boolean pick[]) {
+	super.updatePickable(keys, pick);
+
+	if (sharedGroup != null) {
+	    HashKey newKeys[] = getNewKeys(locale.nodeId, keys);
+	    sharedGroup.updatePickable(newKeys, pick);
+	}
+    }
+
+    @Override
+    void updateCollidable(HashKey keys[], boolean collide[]) {
+	 super.updateCollidable(keys, collide);
+
+	 if (sharedGroup != null) {
+	     HashKey newKeys[] = getNewKeys(locale.nodeId, keys);
+	     sharedGroup.updateCollidable(newKeys, collide);
+	 }
+    }
+
+    @Override
+    void setBoundsAutoCompute(boolean autoCompute) {
+        super.setBoundsAutoCompute(autoCompute);
+        if (!autoCompute) {
+            localBounds = getBounds();
+        }
+    }
+
+    @Override
+    void setCompiled() {
+	super.setCompiled();
+	if (sharedGroup != null) {
+	    sharedGroup.setCompiled();
+	}
+    }
+
+    @Override
+    void compile(CompileState compState) {
+
+	super.compile(compState);
+
+        // XXXX: for now keep the static transform in the parent tg
+        compState.keepTG = true;
+
+        // don't remove this group node
+        mergeFlag = SceneGraphObjectRetained.DONT_MERGE;
+
+        if (J3dDebug.devPhase && J3dDebug.debug) {
+            compState.numLinks++;
+        }
+    }
+
+    HashKey[] getNewKeys(String localeNodeId,  HashKey oldKeys[]) {
+	HashKey newKeys[];
+
+	if (!inSharedGroup) {
+	    newKeys = new HashKey[1];
+	    newKeys[0] = new HashKey(localeNodeId);
+	    newKeys[0].append(plus + nodeId);
+	} else {
+	    // Need to append this link node id to all keys passed in.
+	    newKeys = new HashKey[oldKeys.length];
+	    for (int i=oldKeys.length-1; i>=0; i--) {
+		newKeys[i] = new HashKey(oldKeys[i].toString()
+					 + plus + nodeId);
+	    }
+	}
+	return newKeys;
+    }
+
+    @Override
+    void searchGeometryAtoms(UnorderList list) {
+	if (sharedGroup != null) {
+	    sharedGroup.searchGeometryAtoms(list);
+	}
+    }
+}