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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;
/**
* The J3dMessage is the super class of all messages in Java 3D. It implements
* all of the common data members needed.
*/
class J3dMessage extends Object {
/**
* The various message types.
*/
static final int INVALID_TYPE = -1;
static final int INSERT_NODES = 0;
static final int REMOVE_NODES = 1;
static final int RUN = 2;
static final int TRANSFORM_CHANGED = 3;
static final int UPDATE_VIEW = 4;
static final int STOP_THREAD = 5;
static final int COLORINGATTRIBUTES_CHANGED = 6;
static final int LINEATTRIBUTES_CHANGED = 7;
static final int POINTATTRIBUTES_CHANGED = 8;
static final int POLYGONATTRIBUTES_CHANGED = 9;
static final int RENDERINGATTRIBUTES_CHANGED = 10;
static final int TEXTUREATTRIBUTES_CHANGED = 11;
static final int TRANSPARENCYATTRIBUTES_CHANGED = 12;
static final int MATERIAL_CHANGED = 13;
static final int TEXCOORDGENERATION_CHANGED = 14;
static final int TEXTURE_CHANGED = 15;
static final int MORPH_CHANGED = 16;
static final int GEOMETRY_CHANGED = 17;
static final int APPEARANCE_CHANGED = 18;
static final int LIGHT_CHANGED = 19;
static final int BACKGROUND_CHANGED = 20;
static final int CLIP_CHANGED = 21;
static final int FOG_CHANGED = 22;
static final int BOUNDINGLEAF_CHANGED = 23;
static final int SHAPE3D_CHANGED = 24;
static final int TEXT3D_TRANSFORM_CHANGED = 25;
static final int TEXT3D_DATA_CHANGED = 26;
static final int SWITCH_CHANGED = 27;
static final int COND_MET = 28;
static final int BEHAVIOR_ENABLE = 29;
static final int BEHAVIOR_DISABLE = 30;
static final int INSERT_RENDERATOMS = 31;
static final int ORDERED_GROUP_INSERTED = 32;
static final int ORDERED_GROUP_REMOVED = 33;
static final int COLLISION_BOUND_CHANGED = 34;
static final int REGION_BOUND_CHANGED = 35;
static final int MODELCLIP_CHANGED = 36;
static final int BOUNDS_AUTO_COMPUTE_CHANGED = 37;
static final int SOUND_ATTRIB_CHANGED = 38;
static final int AURALATTRIBUTES_CHANGED = 39;
static final int SOUNDSCAPE_CHANGED = 40;
static final int ALTERNATEAPPEARANCE_CHANGED = 41;
static final int RENDER_OFFSCREEN = 42;
static final int RENDER_RETAINED = 43;
static final int RENDER_IMMEDIATE = 44;
static final int SOUND_STATE_CHANGED = 45;
static final int ORIENTEDSHAPE3D_CHANGED = 46;
static final int TEXTURE_UNIT_STATE_CHANGED = 47;
static final int UPDATE_VIEWPLATFORM = 48;
static final int BEHAVIOR_ACTIVATE = 49;
static final int GEOMETRYARRAY_CHANGED = 50;
static final int MEDIA_CONTAINER_CHANGED = 51;
static final int RESIZE_CANVAS = 52;
static final int TOGGLE_CANVAS = 53;
static final int IMAGE_COMPONENT_CHANGED = 54;
static final int SCHEDULING_INTERVAL_CHANGED = 55;
static final int VIEWSPECIFICGROUP_CHANGED = 56;
static final int VIEWSPECIFICGROUP_INIT = 57;
static final int VIEWSPECIFICGROUP_CLEAR = 58;
static final int ORDERED_GROUP_TABLE_CHANGED = 59;
static final int BEHAVIOR_REEVALUATE = 60;
static final int CREATE_OFFSCREENBUFFER = 61;
static final int DESTROY_CTX_AND_OFFSCREENBUFFER = 62;
static final int SHADER_ATTRIBUTE_CHANGED = 63;
static final int SHADER_ATTRIBUTE_SET_CHANGED = 64;
static final int SHADER_APPEARANCE_CHANGED = 65;
static final int ALLOCATE_CANVASID = 66;
static final int FREE_CANVASID = 67;
/**
* This is the time snapshot at which this change occured
*/
long time = -1;
/**
* This is the number of references to this message
*/
private int refcount = 0;
/**
* This is a bitmask of the types of threads that need to be run
* once this message is consumed.
*/
int threads = 0;
/**
* The universe that this message originated from
*/
VirtualUniverse universe;
/**
* This holds the type of this message
*/
int type = -1;
/**
* This holds the target view of this message, null means all views
*/
View view = null;
/**
* The arguements for a message, 5 for now
*/
static final int MAX_ARGS = 6;
Object[] args = new Object[MAX_ARGS];
/**
* This constructor does nothing
*/
J3dMessage() {
}
final synchronized void clear() {
// System.err.println("J3dMessage : " + this );
view = null;
universe = null;
args[0] = null;
args[1] = null;
args[2] = null;
args[3] = null;
args[4] = null;
args[5] = null;
}
/**
* This increments the reference count for this message
*/
final synchronized void incRefcount() {
refcount++;
}
/**
* This decrements the reference count for this message. If it goes
* to 0, the message is put on the MasterControl freelist.
*/
final synchronized void decRefcount() {
if (--refcount == 0) {
clear();
}
}
final synchronized int getRefcount() {
return refcount;
}
}
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