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/*
* 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;
class LightSet extends Object {
/**
* The Lights that make up this set
*/
LightRetained[] lights = null;
// The number of lights in this lightset, may be less than lights.length
int nlights = 0;
// A reference to the next LightSet
LightSet next = null;
// A reference to the previous LightSet
LightSet prev = null;
// A flag that indicates that lighting is on
boolean lightingOn = true;
// A flag that indicates that this light set has changed.
boolean isDirty = true;
/**
* Constructs a new LightSet
*/
LightSet(RenderBin rb, RenderAtom ra, LightRetained[] lights,
int nlights, boolean lightOn) {
this.reset(rb, ra, lights, nlights, lightOn);
}
void reset(RenderBin rb, RenderAtom ra, LightRetained[] lights,
int nlights, boolean lightOn) {
int i;
this.isDirty = true;
this.lightingOn = lightOn;
if (this.lights == null || this.lights.length < nlights) {
this.lights = new LightRetained[nlights];
}
for (i=0; i<nlights; i++) {
this.lights[i] = lights[i];
}
this.nlights = nlights;
//lists = new RenderList(ro);
//lists.prims[ro.geometry.geoType-1] = ro;
}
boolean equals(RenderBin rb, LightRetained[] lights, int nlights,
boolean lightOn) {
int i, j;
if (this.nlights != nlights)
return(false);
if (this.lightingOn != lightOn)
return(false);
for (i=0; i<nlights; i++) {
for (j=0; j<this.nlights; j++) {
if (this.lights[j] == lights[i]) {
break;
}
}
if (j==this.nlights) {
return(false);
}
}
return(true);
}
}
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