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 Bartapackage com.jme3.scene.control; 3359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3459b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.export.JmeExporter; 3559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.export.JmeImporter; 3659b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.light.DirectionalLight; 3759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.light.Light; 3859b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.light.PointLight; 3959b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.math.Vector3f; 4059b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.renderer.RenderManager; 4159b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.renderer.ViewPort; 4259b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.Spatial; 4359b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.util.TempVars; 4459b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.io.IOException; 4559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/** 4759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * This Control maintains a reference to a Camera, 4859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * which will be synched with the position (worldTranslation) 4959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * of the current spatial. 5059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @author tim 5159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 5259b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapublic class LightControl extends AbstractControl { 5359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public static enum ControlDirection { 5559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 5759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Means, that the Light's transform is "copied" 5859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * to the Transform of the Spatial. 5959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 6059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta LightToSpatial, 6159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 6259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Means, that the Spatial's transform is "copied" 6359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * to the Transform of the light. 6459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 6559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta SpatialToLight; 6659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 6759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private Light light; 6859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private ControlDirection controlDir = ControlDirection.SpatialToLight; 6959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 7159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Constructor used for Serialization. 7259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 7359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public LightControl() { 7459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 7559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 7759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param light The light to be synced. 7859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 7959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public LightControl(Light light) { 8059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.light = light; 8159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 8259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 8459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param light The light to be synced. 8559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 8659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public LightControl(Light light, ControlDirection controlDir) { 8759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.light = light; 8859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.controlDir = controlDir; 8959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public Light getLight() { 9259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return light; 9359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void setLight(Light light) { 9659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.light = light; 9759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public ControlDirection getControlDir() { 10059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return controlDir; 10159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void setControlDir(ControlDirection controlDir) { 10459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.controlDir = controlDir; 10559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // fields used, when inversing ControlDirection: 10859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 10959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected void controlUpdate(float tpf) { 11059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (spatial != null && light != null) { 11159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta switch (controlDir) { 11259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta case SpatialToLight: 11359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta spatialTolight(light); 11459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta break; 11559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta case LightToSpatial: 11659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta lightToSpatial(light); 11759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta break; 11859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 11959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 12059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 12159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 12259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private void spatialTolight(Light light) { 12359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (light instanceof PointLight) { 12459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ((PointLight) light).setPosition(spatial.getWorldTranslation()); 12559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 12659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta TempVars vars = TempVars.get(); 12759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 12859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (light instanceof DirectionalLight) { 12959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ((DirectionalLight) light).setDirection(vars.vect1.set(spatial.getWorldTranslation()).multLocal(-1.0f)); 13059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 13159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta vars.release(); 13259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta //TODO add code for Spot light here when it's done 13359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// if( light instanceof SpotLight){ 13459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// ((SpotLight)light).setPosition(spatial.getWorldTranslation()); 13559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// ((SpotLight)light).setRotation(spatial.getWorldRotation()); 13659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// } 13759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 13859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 13959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 14059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private void lightToSpatial(Light light) { 14159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta TempVars vars = TempVars.get(); 14259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (light instanceof PointLight) { 14359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 14459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta PointLight pLight = (PointLight) light; 14559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 14659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Vector3f vecDiff = vars.vect1.set(pLight.getPosition()).subtractLocal(spatial.getWorldTranslation()); 14759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta spatial.setLocalTranslation(vecDiff.addLocal(spatial.getLocalTranslation())); 14859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 14959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 15059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (light instanceof DirectionalLight) { 15159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta DirectionalLight dLight = (DirectionalLight) light; 15259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta vars.vect1.set(dLight.getDirection()).multLocal(-1.0f); 15359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Vector3f vecDiff = vars.vect1.subtractLocal(spatial.getWorldTranslation()); 15459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta spatial.setLocalTranslation(vecDiff.addLocal(spatial.getLocalTranslation())); 15559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 15659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta vars.release(); 15759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta //TODO add code for Spot light here when it's done 15859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 15959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 16059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 16159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 16259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 16359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected void controlRender(RenderManager rm, ViewPort vp) { 16459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // nothing to do 16559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 16659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 16759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 16859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public Control cloneForSpatial(Spatial newSpatial) { 16959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta LightControl control = new LightControl(light, controlDir); 17059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta control.setSpatial(newSpatial); 17159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta control.setEnabled(isEnabled()); 17259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return control; 17359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 17459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private static final String CONTROL_DIR_NAME = "controlDir"; 17559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 17659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 17759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void read(JmeImporter im) throws IOException { 17859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta super.read(im); 17959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta im.getCapsule(this).readEnum(CONTROL_DIR_NAME, 18059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ControlDirection.class, ControlDirection.SpatialToLight); 18159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 18259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 18359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 18459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void write(JmeExporter ex) throws IOException { 18559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta super.write(ex); 18659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ex.getCapsule(this).write(controlDir, CONTROL_DIR_NAME, 18759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ControlDirection.SpatialToLight); 18859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 18959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta}