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Diffstat (limited to 'src/javax/media/j3d/LightSet.java')
-rw-r--r-- | src/javax/media/j3d/LightSet.java | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/javax/media/j3d/LightSet.java b/src/javax/media/j3d/LightSet.java new file mode 100644 index 0000000..db4f065 --- /dev/null +++ b/src/javax/media/j3d/LightSet.java @@ -0,0 +1,102 @@ +/* + * 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); + } + +} |