159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/* 259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Copyright (c) 2009-2010 jMonkeyEngine 359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * All rights reserved. 459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Redistribution and use in source and binary forms, with or without 659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * modification, are permitted provided that the following conditions are 759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * met: 859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions of source code must retain the above copyright 1059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer. 1159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions in binary form must reproduce the above copyright 1359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer in the 1459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * documentation and/or other materials provided with the distribution. 1559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 1759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * may be used to endorse or promote products derived from this software 1859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * without specific prior written permission. 1959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 2059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 2459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 2559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 2859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 2959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 3259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3359b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapackage com.jme3.light; 3459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.export.*; 3659b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.Spatial; 3759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.util.SortUtil; 3859b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.io.IOException; 3959b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.util.*; 4059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/** 4259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * <code>LightList</code> is used internally by {@link Spatial}s to manage 4359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * lights that are attached to them. 4459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 4559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @author Kirill Vainer 4659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 4759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapublic final class LightList implements Iterable<Light>, Savable, Cloneable { 4859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private Light[] list, tlist; 5059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private float[] distToOwner; 5159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private int listSize; 5259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private Spatial owner; 5359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private static final int DEFAULT_SIZE = 1; 5559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private static final Comparator<Light> c = new Comparator<Light>() { 5759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 5859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * This assumes lastDistance have been computed in a previous step. 5959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 6059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public int compare(Light l1, Light l2) { 6159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (l1.lastDistance < l2.lastDistance) 6259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return -1; 6359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta else if (l1.lastDistance > l2.lastDistance) 6459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return 1; 6559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta else 6659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return 0; 6759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 6859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta }; 6959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 7159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Default constructor for serialization. Do not use 7259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 7359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public LightList(){ 7459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 7559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 7759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Creates a <code>LightList</code> for the given {@link Spatial}. 7859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 7959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param owner The spatial owner 8059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 8159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public LightList(Spatial owner) { 8259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta listSize = 0; 8359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta list = new Light[DEFAULT_SIZE]; 8459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta distToOwner = new float[DEFAULT_SIZE]; 8559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Arrays.fill(distToOwner, Float.NEGATIVE_INFINITY); 8659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.owner = owner; 8759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 8859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 9059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Set the owner of the LightList. Only used for cloning. 9159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param owner 9259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 9359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void setOwner(Spatial owner){ 9459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.owner = owner; 9559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private void doubleSize(){ 9859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Light[] temp = new Light[list.length * 2]; 9959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float[] temp2 = new float[list.length * 2]; 10059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta System.arraycopy(list, 0, temp, 0, list.length); 10159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta System.arraycopy(distToOwner, 0, temp2, 0, list.length); 10259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta list = temp; 10359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta distToOwner = temp2; 10459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 10759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Adds a light to the list. List size is doubled if there is no room. 10859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 10959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param l 11059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * The light to add. 11159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 11259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void add(Light l) { 11359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (listSize == list.length) { 11459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta doubleSize(); 11559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 11659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta list[listSize] = l; 11759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta distToOwner[listSize++] = Float.NEGATIVE_INFINITY; 11859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 11959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 12059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 12159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Remove the light at the given index. 12259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 12359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param index 12459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 12559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void remove(int index){ 12659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (index >= listSize || index < 0) 12759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta throw new IndexOutOfBoundsException(); 12859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 12959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta listSize --; 13059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (index == listSize){ 13159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta list[listSize] = null; 13259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return; 13359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 13459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 13559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int i = index; i < listSize; i++){ 13659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta list[i] = list[i+1]; 13759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 13859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta list[listSize] = null; 13959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 14059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 14159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 14259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Removes the given light from the LightList. 14359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 14459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param l the light to remove 14559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 14659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void remove(Light l){ 14759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int i = 0; i < listSize; i++){ 14859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (list[i] == l){ 14959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta remove(i); 15059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return; 15159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 15259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 15359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 15459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 15559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 15659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @return The size of the list. 15759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 15859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public int size(){ 15959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return listSize; 16059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 16159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 16259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 16359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @return the light at the given index. 16459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @throws IndexOutOfBoundsException If the given index is outside bounds. 16559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 16659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public Light get(int num){ 16759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (num >= listSize || num < 0) 16859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta throw new IndexOutOfBoundsException(); 16959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 17059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return list[num]; 17159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 17259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 17359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 17459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Resets list size to 0. 17559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 17659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void clear() { 17759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (listSize == 0) 17859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return; 17959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 18059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int i = 0; i < listSize; i++) 18159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta list[i] = null; 18259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 18359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (tlist != null) 18459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Arrays.fill(tlist, null); 18559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 18659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta listSize = 0; 18759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 18859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 18959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 19059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Sorts the elements in the list acording to their Comparator. 19159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * There are two reasons why lights should be resorted. 19259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * First, if the lights have moved, that means their distance to 19359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * the spatial changed. 19459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Second, if the spatial itself moved, it means the distance from it to 19559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * the individual lights might have changed. 19659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 19759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 19859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param transformChanged Whether the spatial's transform has changed 19959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 20059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void sort(boolean transformChanged) { 20159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (listSize > 1) { 20259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // resize or populate our temporary array as necessary 20359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (tlist == null || tlist.length != list.length) { 20459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta tlist = list.clone(); 20559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } else { 20659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta System.arraycopy(list, 0, tlist, 0, list.length); 20759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 20859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 20959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (transformChanged){ 21059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // check distance of each light 21159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int i = 0; i < listSize; i++){ 21259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta list[i].computeLastDistance(owner); 21359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 21459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 21559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 21659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // now merge sort tlist into list 21759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta SortUtil.msort(tlist, list, 0, listSize - 1, c); 21859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 21959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 22059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 22159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 22259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Updates a "world-space" light list, using the spatial's local-space 22359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * light list and its parent's world-space light list. 22459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 22559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param local 22659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param parent 22759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 22859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void update(LightList local, LightList parent){ 22959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // clear the list as it will be reconstructed 23059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // using the arguments 23159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta clear(); 23259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 23359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta while (list.length <= local.listSize){ 23459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta doubleSize(); 23559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 23659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 23759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // add the lights from the local list 23859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta System.arraycopy(local.list, 0, list, 0, local.listSize); 23959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int i = 0; i < local.listSize; i++){ 24059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// list[i] = local.list[i]; 24159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta distToOwner[i] = Float.NEGATIVE_INFINITY; 24259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 24359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 24459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // if the spatial has a parent node, add the lights 24559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // from the parent list as well 24659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (parent != null){ 24759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int sz = local.listSize + parent.listSize; 24859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta while (list.length <= sz) 24959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta doubleSize(); 25059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 25159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int i = 0; i < parent.listSize; i++){ 25259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int p = i + local.listSize; 25359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta list[p] = parent.list[i]; 25459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta distToOwner[p] = Float.NEGATIVE_INFINITY; 25559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 25659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 25759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta listSize = local.listSize + parent.listSize; 25859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta }else{ 25959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta listSize = local.listSize; 26059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 26159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 26259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 26359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 26459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Returns an iterator that can be used to iterate over this LightList. 26559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 26659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @return an iterator that can be used to iterate over this LightList. 26759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 26859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public Iterator<Light> iterator() { 26959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return new Iterator<Light>(){ 27059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 27159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int index = 0; 27259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 27359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public boolean hasNext() { 27459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return index < size(); 27559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 27659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 27759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public Light next() { 27859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (!hasNext()) 27959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta throw new NoSuchElementException(); 28059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 28159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return list[index++]; 28259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 28359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 28459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void remove() { 28559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta LightList.this.remove(--index); 28659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 28759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta }; 28859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 28959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 29059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 29159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public LightList clone(){ 29259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta try{ 29359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta LightList clone = (LightList) super.clone(); 29459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 29559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta clone.owner = null; 29659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta clone.list = list.clone(); 29759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta clone.distToOwner = distToOwner.clone(); 29859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta clone.tlist = null; // list used for sorting only 29959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 30059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return clone; 30159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta }catch (CloneNotSupportedException ex){ 30259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta throw new AssertionError(); 30359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 30459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 30559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 30659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void write(JmeExporter ex) throws IOException { 30759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta OutputCapsule oc = ex.getCapsule(this); 30859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// oc.write(owner, "owner", null); 30959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 31059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ArrayList<Light> lights = new ArrayList<Light>(); 31159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int i = 0; i < listSize; i++){ 31259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta lights.add(list[i]); 31359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 31459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta oc.writeSavableArrayList(lights, "lights", null); 31559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 31659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 31759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void read(JmeImporter im) throws IOException { 31859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta InputCapsule ic = im.getCapsule(this); 31959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// owner = (Spatial) ic.readSavable("owner", null); 32059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 32159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta List<Light> lights = ic.readSavableArrayList("lights", null); 32259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta listSize = lights.size(); 32359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 32459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // NOTE: make sure the array has a length of at least 1 32559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int arraySize = Math.max(DEFAULT_SIZE, listSize); 32659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta list = new Light[arraySize]; 32759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta distToOwner = new float[arraySize]; 32859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 32959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int i = 0; i < listSize; i++){ 33059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta list[i] = lights.get(i); 33159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 33259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 33359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Arrays.fill(distToOwner, Float.NEGATIVE_INFINITY); 33459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 33559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 33659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta} 337