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/*
* Copyright 1996-2008 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;
import java.util.Arrays;
import java.util.BitSet;
/**
* The switch node controls which one of its children will be rendered.
*/
class SwitchRetained extends GroupRetained implements TargetsInterface
{
static final int GEO_NODES = 0x0001;
static final int ENV_NODES = 0x0002;
static final int BEHAVIOR_NODES = 0x0004;
static final int SOUND_NODES = 0x0008;
static final int BOUNDINGLEAF_NODES = 0x0010;
/**
* The value specifing which child to render.
*/
int whichChild = Switch.CHILD_NONE;
/**
* The BitSet specifying which children are to be selected for
* rendering. This is used ONLY if whichChild is set to CHILD_MASK.
*/
BitSet childMask = new BitSet();
/**
* The childmask bitset used for rendering
*/
BitSet renderChildMask = new BitSet();
// A boolean indication that something changed
boolean isDirty = true;
// switchLevel per key, used in traversing switch children
ArrayList switchLevels = new ArrayList(1);
// key which identifies a unique path from a locale to this switch link
HashKey switchKey = new HashKey();
// switch index counter to identify specific children
int switchIndexCount = 0;
// for message processing
UpdateTargets updateTargets = null;
ArrayList> childrenSwitchStates = null;
SwitchRetained() {
this.nodeType = NodeRetained.SWITCH;
}
/**
* Sets which child should be drawn.
* @param whichChild the child to choose during a render operation
*/
// synchronized with clearLive
synchronized void setWhichChild(int whichChild, boolean updateAlways) {
int i, nchildren;
this.whichChild = whichChild;
isDirty = true;
if (source != null && source.isLive()) {
updateTargets = new UpdateTargets();
ArrayList updateList = new ArrayList(1);
nchildren = children.size();
switch (whichChild) {
case Switch.CHILD_ALL:
for (i=0; i this.childMask.size()) {
nbits = childMask.size();
} else {
nbits = this.childMask.size();
}
for (i=0; i updateList = new ArrayList(1);
nchildren = children.size();
for (i=0; i updateList) {
J3dMessage m ;
int i,j,size,threads;
Object[] nodesArr, nodes;
threads = updateTargets.computeSwitchThreads();
if (threads > 0) {
m = new J3dMessage();
m.type = J3dMessage.SWITCH_CHANGED;
m.universe = universe;
m.threads = threads;
m.args[0] = updateTargets;
m.args[2] = updateList;
UnorderList blnList =
updateTargets.targetList[Targets.BLN_TARGETS];
if (blnList != null) {
BoundingLeafRetained mbleaf;
size = blnList.size();
Object[] boundingLeafUsersArr = new Object[size];
nodesArr = blnList.toArray(false);
for (j=0; j= children.size()))
return null;
else
return getChild(whichChild);
}
void updateSwitchChild(int child, boolean switchOn, ArrayList updateList) {
int i;
int switchLevel;
if (inSharedGroup) {
for (i=0; i switchStates;
// Group's setAuxData()
super.setAuxData(s, index, hkIndex);
switchLevels.add(new Integer(s.switchLevels[index]));
int nchildren = children.size();
for (int i=0; i= 0) {
setAuxData(s, j, hkIndex);
} else {
MasterControl.getCoreLogger().severe("Can't Find matching hashKey in setNodeData.");
}
s.hashkeyIndex[j] = hkIndex;
}
}
}
@Override
void setLive(SetLiveState s) {
int i,j,k;
boolean switchOn;
SwitchRetained switchRoot;
int size;
// save setLiveState
Targets[] savedSwitchTargets = s.switchTargets;
ArrayList savedSwitchStates = s.switchStates;
SwitchRetained[] savedClosestSwitchParents = s.closestSwitchParents;
int[] savedClosestSwitchIndices = s.closestSwitchIndices;
ArrayList savedChildSwitchLinks = s.childSwitchLinks;
GroupRetained savedParentSwitchLink = s.parentSwitchLink;
int[] savedHashkeyIndex = s.hashkeyIndex;
// update setLiveState for this node
s.closestSwitchParents = (SwitchRetained[])
savedClosestSwitchParents.clone();
s.closestSwitchIndices = Arrays.copyOf(savedClosestSwitchIndices, savedClosestSwitchIndices.length);
// Note that s.containsNodesList is updated in super.setLive
// Note that s.closestSwitchIndices is updated in super.setLive
for (i=0; i< s.switchLevels.length; i++) {
s.switchLevels[i]++;
s.closestSwitchParents[i] = this;
}
super.doSetLive(s);
initRenderChildMask();
// update switch leaves' compositeSwitchMask
// and update switch leaves' switchOn flag if this is top level switch
if (inSharedGroup) {
for (i=0; i switchStates;
if (refCount <= 0) {
// remove this node from parentSwitchLink's childSwitchLinks
// clear childSwitchLinks
if (parentSwitchLink != null) {
for(i=0; i switchLinks = parentSwitchLink.childrenSwitchLinks.get(i);
if (switchLinks.contains(this)) {
switchLinks.remove(this);
break;
}
}
}
for (j=0; j= 0; i--) {
hkIndex = s.keys[i].equals(localToVworldKeys, 0,
localToVworldKeys.length);
if(hkIndex >= 0) {
for (j=0; j updateList) {
int i,j,k;
SwitchRetained sw;
LinkRetained ln;
Object obj;
boolean newSwChanged = false;
ArrayList childSwitchStates = childrenSwitchStates.get(child);
SwitchState switchState = childSwitchStates.get(index);
switchState.updateCompositeSwitchMask(switchLevel, switchOn);
if (switchRoot != null) {
if (init) {
if (!switchState.initialized) {
switchState.initSwitchOn();
}
} else {
boolean compositeSwitchOn = switchState.evalCompositeSwitchOn();
if (switchState.cachedSwitchOn != compositeSwitchOn) {
switchState.updateCachedSwitchOn();
switchRoot.updateTargets.addCachedTargets(
switchState.cachedTargets);
newSwChanged = true;
updateList.add(switchState);
}
}
}
ArrayList childSwitchLinks = childrenSwitchLinks.get(child);
int cslSize =childSwitchLinks.size();
for (i=0; i= 0 &&
whichChild < children.size()) {
NodeRetained child = children.get(whichChild);
if (child != null) {
child.computeCombineBounds(boundingObject);
}
}
return boundingObject;
} else {
return super.getBounds();
}
}
/*
void compile(CompileState compState) {
setCompiled();
compState.startGroup(null); // don't merge at this level
compileChildren(compState);
compState.endGroup();
}
*/
/**
* Compiles the children of the switch, preventing shape merging at
* this level or above
*/
@Override
void compile(CompileState compState) {
super.compile(compState);
// don't remove this group node
mergeFlag = SceneGraphObjectRetained.DONT_MERGE;
if (J3dDebug.devPhase && J3dDebug.debug) {
compState.numSwitches++;
}
}
@Override
void insertChildrenData(int index) {
if (childrenSwitchStates == null) {
childrenSwitchStates = new ArrayList>(1);
childrenSwitchLinks = new ArrayList>(1);
}
childrenSwitchLinks.add(index, new ArrayList(1));
ArrayList switchStates = new ArrayList(1);
childrenSwitchStates.add(index, switchStates);
if (source != null && source.isLive()) {
for (int i=0; i>(1);
childrenSwitchLinks = new ArrayList>(1);
}
childrenSwitchLinks.add(new ArrayList(1));
ArrayList switchStates = new ArrayList(1);
childrenSwitchStates.add(switchStates);
if (source != null && source.isLive()) {
for (int i=0; i oldSwitchStates = childrenSwitchStates.get(index);
oldSwitchStates.clear();
childrenSwitchStates.remove(index);
ArrayList oldSwitchLinks = childrenSwitchLinks.get(index);
oldSwitchLinks.clear();
childrenSwitchLinks.remove(index);
}
@Override
void childDoSetLive(NodeRetained child, int childIndex, SetLiveState s) {
int numPaths = (inSharedGroup)? s.keys.length : 1;
s.childSwitchLinks = childrenSwitchLinks.get(childIndex);
for (int j=0; j< numPaths; j++) {
s.closestSwitchIndices[j] = switchIndexCount;
s.closestSwitchParents[j] = this;
}
// use switchIndexCount instead of child index to avoid
// reordering due to add/remove child later
switchIndexCount++;
Targets[] newTargets = new Targets[numPaths];
for(int i=0; i switchStates = childrenSwitchStates.get(child);
if (index < switchStates.size()) {
SwitchState switchState = switchStates.get(index);
return switchState.cachedTargets;
} else {
return null;
}
} else {
System.err.println("getCachedTargets: wrong arguments");
return null;
}
}
@Override
public void resetCachedTargets(int type,
CachedTargets[] newCtArr, int child) {
if (type == TargetsInterface.SWITCH_TARGETS) {
ArrayList switchStates = childrenSwitchStates.get(child);
if (newCtArr.length != switchStates.size()) {
System.err.println("resetCachedTargets: unmatched length!" +
newCtArr.length + " " + switchStates.size());
System.err.println(" resetCachedTargets: " + this);
}
SwitchState switchState;
for (int i=0; i getTargetsData(int type, int child) {
if (type == TargetsInterface.SWITCH_TARGETS) {
return childrenSwitchStates.get(child);
}
else {
System.err.println("getTargetsData: wrong arguments");
return null;
}
}
@Override
public int getTargetThreads(int type) {
System.err.println("getTargetsThreads: wrong arguments");
return -1;
}
@Override
public void updateCachedTargets(int type, CachedTargets[] newCt) {
System.err.println("updateCachedTarget: wrong arguments");
}
@Override
public void computeTargetThreads(int type, CachedTargets[] newCt) {
System.err.println("computeTargetThreads: wrong arguments");
}
@Override
public void updateTargetThreads(int type, CachedTargets[] newCt) {
System.err.println("updateTargetThreads: wrong arguments");
}
@Override
public void propagateTargetThreads(int type, int newTargetThreads) {
System.err.println("propagateTargetThreads: wrong arguments");
}
@Override
public void copyCachedTargets(int type, CachedTargets[] newCt) {
System.err.println("copyCachedTarget: wrong arguments");
}
}
