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/*
* Copyright 1998-2008 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;
/**
* A rendering attributes structure is an object that handles
* NodeComponent object updates.
*/
class RenderingAttributesStructure extends J3dStructure implements ObjectUpdate {
// List of textures whose resourceCreation mask should be updated
ArrayList<J3dMessage> objList = new ArrayList<J3dMessage>();
RenderingAttributesStructure() {
super(null, J3dThread.UPDATE_RENDERING_ATTRIBUTES);
}
@Override
void processMessages(long referenceTime) {
J3dMessage m;
boolean addMirrorObj = false;
J3dMessage messages[] = getMessages(referenceTime);
int nMsg = getNumMessage();
if (nMsg <= 0) {
return;
}
for (int i=0; i < nMsg; i++) {
m = messages[i];
switch (m.type) {
// Appearance is always updated immediately, since rBin needs
// the most up-to-date values for restructuring
case J3dMessage.APPEARANCE_CHANGED:
case J3dMessage.SHADER_APPEARANCE_CHANGED:
case J3dMessage.TEXTURE_UNIT_STATE_CHANGED:
{
// System.err.println("1 RAS : J3dMessage type : " + m.type);
int component = ((Integer)m.args[1]).intValue();
NodeComponentRetained nc = (NodeComponentRetained)m.args[0];
nc.mirror.changedFrequent = ((Integer)m.args[3]).intValue();
updateNodeComponent((Object[])m.args);
if (nc.mirror.changedFrequent != 0) {
objList.add(m);
addMirrorObj = true;
nc.mirror.compChanged |= component;
}
else {
m.decRefcount();
}
}
break;
case J3dMessage.COLORINGATTRIBUTES_CHANGED:
case J3dMessage.LINEATTRIBUTES_CHANGED:
case J3dMessage.POINTATTRIBUTES_CHANGED:
case J3dMessage.POLYGONATTRIBUTES_CHANGED:
case J3dMessage.RENDERINGATTRIBUTES_CHANGED:
case J3dMessage.TRANSPARENCYATTRIBUTES_CHANGED:
case J3dMessage.MATERIAL_CHANGED:
case J3dMessage.TEXCOORDGENERATION_CHANGED:
case J3dMessage.SHADER_ATTRIBUTE_CHANGED:
case J3dMessage.SHADER_ATTRIBUTE_SET_CHANGED:
{
// System.err.println("2 RAS : J3dMessage type : " + m.type);
NodeComponentRetained nc = (NodeComponentRetained)m.args[0];
nc.mirror.changedFrequent = ((Integer)m.args[3]).intValue();
if (nc.mirror.changedFrequent != 0) {
objList.add(m);
addMirrorObj = true;
nc.mirror.compChanged = 1;
}
else {
updateNodeComponent((Object[])m.args);
m.decRefcount();
}
}
break;
case J3dMessage.IMAGE_COMPONENT_CHANGED:
{
NodeComponentRetained nc = (NodeComponentRetained)m.args[0];
int changes = ((Integer)m.args[3]).intValue();
if(nc.mirror != null)
nc.mirror.changedFrequent = changes;
if (changes != 0) {
objList.add(m);
addMirrorObj = true;
}
else {
updateNodeComponent((Object[])m.args);
m.decRefcount();
}
}
break;
case J3dMessage.TEXTUREATTRIBUTES_CHANGED:
{
NodeComponentRetained nc = (NodeComponentRetained)m.args[0];
nc.mirror.changedFrequent = ((Integer)m.args[4]).intValue();
if (nc.mirror.changedFrequent != 0) {
objList.add(m);
addMirrorObj = true;
nc.mirror.compChanged = 1;
}
else {
updateTextureAttributes((Object[])m.args);
m.decRefcount();
}
}
break;
case J3dMessage.TEXTURE_CHANGED:
{
NodeComponentRetained nc = (NodeComponentRetained)m.args[0];
nc.mirror.changedFrequent = ((Integer)m.args[3]).intValue();
objList.add(m);
nc.mirror.compChanged = 1;
addMirrorObj = true;
}
break;
case J3dMessage.GEOMETRY_CHANGED:
GeometryRetained geo = (GeometryRetained) m.args[1];
int val;
if (geo instanceof IndexedGeometryArrayRetained) {
objList.add(m);
addMirrorObj = true;
if (m.args[2] == null) {
val = ((Integer)m.args[3]).intValue();
geo.cachedChangedFrequent = val;
}
}
else {
val = ((Integer)m.args[3]).intValue();
geo.cachedChangedFrequent = val;
m.decRefcount();
}
break;
case J3dMessage.MORPH_CHANGED:
objList.add(m);
addMirrorObj = true;
break;
default:
m.decRefcount();
}
}
if (addMirrorObj) {
VirtualUniverse.mc.addMirrorObject(this);
}
// clear array to prevent memory leaks
Arrays.fill(messages, 0, nMsg, null);
}
@Override
public void updateObject() {
int size = objList.size();
for (int i = 0; i < size; i++) {
J3dMessage m = objList.get(i);
// Message Only sent to RenderingAttributesStructure
// when the geometry type is indexed
if (m.type == J3dMessage.GEOMETRY_CHANGED) {
GeometryArrayRetained geo = (GeometryArrayRetained)m.args[1];
if (m.args[2] == null) {
geo.updateMirrorGeometry();
}
else {
geo.initMirrorGeometry();
}
}
else if (m.type == J3dMessage.MORPH_CHANGED) {
MorphRetained morph = (MorphRetained) m.args[0];
GeometryArrayRetained geo = (GeometryArrayRetained)morph.morphedGeometryArray.retained;
geo.updateMirrorGeometry();
}
else if (m.type == J3dMessage.TEXTUREATTRIBUTES_CHANGED) {
NodeComponentRetained nc = (NodeComponentRetained)m.args[0];
nc.mirror.compChanged = 0;
updateTextureAttributes((Object[])m.args);
}
else if (m.type == J3dMessage.APPEARANCE_CHANGED ||
m.type == J3dMessage.SHADER_APPEARANCE_CHANGED ||
m.type == J3dMessage.TEXTURE_UNIT_STATE_CHANGED){
NodeComponentRetained nc = (NodeComponentRetained)m.args[0];
nc.mirror.compChanged = 0;
}
else {
NodeComponentRetained nc = (NodeComponentRetained)m.args[0];
if (nc.mirror != null)
nc.mirror.compChanged = 0;
updateNodeComponent(m.args);
}
m.decRefcount();
}
objList.clear();
}
private void updateNodeComponent(Object[] args) {
// System.err.println("RAS : updateNodeComponent : " + this);
NodeComponentRetained n = (NodeComponentRetained)args[0];
n.updateMirrorObject(((Integer)args[1]).intValue(), args[2]);
}
private void updateTextureAttributes(Object[] args) {
TextureAttributesRetained n = (TextureAttributesRetained)args[0];
n.updateMirrorObject(((Integer)args[1]).intValue(), args[2], args[3]);
}
@Override
void removeNodes(J3dMessage m) {}
@Override
void cleanup() {}
}
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