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 */
32package com.jme3.cinematic.events;
33
34import com.jme3.animation.AnimChannel;
35import com.jme3.animation.AnimControl;
36import com.jme3.animation.LoopMode;
37import com.jme3.app.Application;
38import com.jme3.cinematic.Cinematic;
39import com.jme3.cinematic.PlayState;
40import com.jme3.export.InputCapsule;
41import com.jme3.export.JmeExporter;
42import com.jme3.export.JmeImporter;
43import com.jme3.export.OutputCapsule;
44import com.jme3.scene.Spatial;
45import java.io.IOException;
46import java.util.logging.Level;
47import java.util.logging.Logger;
48
49/**
50 *
51 * @author Nehon
52 */
53public 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