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      1 /*
      2  * Copyright (c) 2009-2010 jMonkeyEngine
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  * * Redistributions of source code must retain the above copyright
     10  *   notice, this list of conditions and the following disclaimer.
     11  *
     12  * * Redistributions in binary form must reproduce the above copyright
     13  *   notice, this list of conditions and the following disclaimer in the
     14  *   documentation and/or other materials provided with the distribution.
     15  *
     16  * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
     17  *   may be used to endorse or promote products derived from this software
     18  *   without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 package com.jme3.cinematic.events;
     33 
     34 import com.jme3.animation.AnimChannel;
     35 import com.jme3.animation.AnimControl;
     36 import com.jme3.animation.LoopMode;
     37 import com.jme3.app.Application;
     38 import com.jme3.cinematic.Cinematic;
     39 import com.jme3.cinematic.PlayState;
     40 import com.jme3.export.InputCapsule;
     41 import com.jme3.export.JmeExporter;
     42 import com.jme3.export.JmeImporter;
     43 import com.jme3.export.OutputCapsule;
     44 import com.jme3.scene.Spatial;
     45 import java.io.IOException;
     46 import java.util.logging.Level;
     47 import java.util.logging.Logger;
     48 
     49 /**
     50  *
     51  * @author Nehon
     52  */
     53 public class AnimationTrack extends AbstractCinematicEvent {
     54 
     55     private static final Logger log = Logger.getLogger(AnimationTrack.class.getName());
     56     protected AnimChannel channel;
     57     protected String animationName;
     58     protected String modelName;
     59 
     60     public AnimationTrack() {
     61     }
     62 
     63     public AnimationTrack(Spatial model, String animationName) {
     64         modelName = model.getName();
     65         this.animationName = animationName;
     66         initialDuration = model.getControl(AnimControl.class).getAnimationLength(animationName);
     67     }
     68 
     69     public AnimationTrack(Spatial model, String animationName, float initialDuration) {
     70         super(initialDuration);
     71         modelName = model.getName();
     72         this.animationName = animationName;
     73     }
     74 
     75     public AnimationTrack(Spatial model, String animationName, LoopMode loopMode) {
     76         super(loopMode);
     77         initialDuration = model.getControl(AnimControl.class).getAnimationLength(animationName);
     78         modelName = model.getName();
     79         this.animationName = animationName;
     80     }
     81 
     82     public AnimationTrack(Spatial model, String animationName, float initialDuration, LoopMode loopMode) {
     83         super(initialDuration, loopMode);
     84         modelName = model.getName();
     85         this.animationName = animationName;
     86     }
     87 
     88     @Override
     89     public void initEvent(Application app, Cinematic cinematic) {
     90         super.initEvent(app, cinematic);
     91         if (channel == null) {
     92             Object s = cinematic.getEventData("modelChannels", modelName);
     93             if (s != null && s instanceof AnimChannel) {
     94                 this.channel = (AnimChannel) s;
     95             } else if (s == null) {
     96                 Spatial model = cinematic.getScene().getChild(modelName);
     97                 if (model != null) {
     98                     channel = model.getControl(AnimControl.class).createChannel();
     99                     cinematic.putEventData("modelChannels", modelName, channel);
    100                 } else {
    101                     log.log(Level.WARNING, "spatial {0} not found in the scene, cannot perform animation", modelName);
    102                 }
    103             }
    104 
    105         }
    106     }
    107 
    108     @Override
    109     public void setTime(float time) {
    110         super.setTime(time);
    111         float t = time;
    112         if(loopMode == loopMode.Loop){
    113             t = t % channel.getAnimMaxTime();
    114         }
    115         if(loopMode == loopMode.Cycle){
    116             float parity = (float)Math.ceil(time / channel.getAnimMaxTime());
    117             if(parity >0 && parity%2 ==0){
    118                 t = channel.getAnimMaxTime() - t % channel.getAnimMaxTime();
    119             }else{
    120                 t = t % channel.getAnimMaxTime();
    121             }
    122 
    123         }
    124         channel.setTime(t);
    125         channel.getControl().update(0);
    126     }
    127 
    128     @Override
    129     public void onPlay() {
    130         channel.getControl().setEnabled(true);
    131         if (playState == PlayState.Stopped) {
    132             channel.setAnim(animationName);
    133             channel.setSpeed(speed);
    134             channel.setLoopMode(loopMode);
    135             channel.setTime(time);
    136         }
    137     }
    138 
    139     @Override
    140     public void onUpdate(float tpf) {
    141     }
    142 
    143     @Override
    144     public void onStop() {
    145         channel.getControl().setEnabled(false);
    146         channel.setTime(0);
    147     }
    148 
    149     @Override
    150     public void onPause() {
    151         channel.getControl().setEnabled(false);
    152     }
    153 
    154     @Override
    155     public void setLoopMode(LoopMode loopMode) {
    156         super.setLoopMode(loopMode);
    157         channel.setLoopMode(loopMode);
    158     }
    159 
    160     @Override
    161     public void write(JmeExporter ex) throws IOException {
    162         super.write(ex);
    163         OutputCapsule oc = ex.getCapsule(this);
    164         oc.write(modelName, "modelName", "");
    165         oc.write(animationName, "animationName", "");
    166     }
    167 
    168     @Override
    169     public void read(JmeImporter im) throws IOException {
    170         super.read(im);
    171         InputCapsule ic = im.getCapsule(this);
    172         modelName = ic.readString("modelName", "");
    173         animationName = ic.readString("animationName", "");
    174     }
    175 }
    176