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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 
     33 package jme3test.helloworld;
     34 
     35 import com.jme3.animation.AnimChannel;
     36 import com.jme3.animation.AnimControl;
     37 import com.jme3.animation.AnimEventListener;
     38 import com.jme3.animation.LoopMode;
     39 import com.jme3.app.SimpleApplication;
     40 import com.jme3.input.KeyInput;
     41 import com.jme3.input.controls.ActionListener;
     42 import com.jme3.input.controls.KeyTrigger;
     43 import com.jme3.light.DirectionalLight;
     44 import com.jme3.math.ColorRGBA;
     45 import com.jme3.math.Vector3f;
     46 import com.jme3.scene.Node;
     47 
     48 /** Sample 7 - how to load an OgreXML model and play an animation,
     49  * using channels, a controller, and an AnimEventListener. */
     50 public class HelloAnimation extends SimpleApplication
     51                          implements AnimEventListener {
     52 
     53   Node player;
     54   private AnimChannel channel;
     55   private AnimControl control;
     56 
     57   public static void main(String[] args) {
     58     HelloAnimation app = new HelloAnimation();
     59     app.start();
     60   }
     61 
     62   @Override
     63   public void simpleInitApp() {
     64     viewPort.setBackgroundColor(ColorRGBA.LightGray);
     65     initKeys();
     66 
     67     /** Add a light source so we can see the model */
     68     DirectionalLight dl = new DirectionalLight();
     69     dl.setDirection(new Vector3f(-0.1f, -1f, -1).normalizeLocal());
     70     rootNode.addLight(dl);
     71 
     72     /** Load a model that contains animation */
     73     player = (Node) assetManager.loadModel("Models/Oto/Oto.mesh.xml");
     74     player.setLocalScale(0.5f);
     75     rootNode.attachChild(player);
     76 
     77     /** Create a controller and channels. */
     78     control = player.getControl(AnimControl.class);
     79     control.addListener(this);
     80     channel = control.createChannel();
     81     channel.setAnim("stand");
     82   }
     83 
     84   /** Use this listener to trigger something after an animation is done. */
     85   public void onAnimCycleDone(AnimControl control, AnimChannel channel, String animName) {
     86     if (animName.equals("Walk")) {
     87       /** After "walk", reset to "stand". */
     88       channel.setAnim("stand", 0.50f);
     89       channel.setLoopMode(LoopMode.DontLoop);
     90       channel.setSpeed(1f);
     91     }
     92   }
     93 
     94   /** Use this listener to trigger something between two animations. */
     95   public void onAnimChange(AnimControl control, AnimChannel channel, String animName) {
     96     // unused
     97   }
     98 
     99   /** Custom Keybindings: Mapping a named action to a key input. */
    100   private void initKeys() {
    101     inputManager.addMapping("Walk", new KeyTrigger(KeyInput.KEY_SPACE));
    102     inputManager.addListener(actionListener, "Walk");
    103   }
    104 
    105   /** Definining the named action that can be triggered by key inputs. */
    106   private ActionListener actionListener = new ActionListener() {
    107     public void onAction(String name, boolean keyPressed, float tpf) {
    108       if (name.equals("Walk") && !keyPressed) {
    109         if (!channel.getAnimationName().equals("Walk")) {
    110           /** Play the "walk" animation! */
    111           channel.setAnim("Walk", 0.50f);
    112           channel.setLoopMode(LoopMode.Loop);
    113         }
    114       }
    115     }
    116   };
    117 
    118 }
    119