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      1 /*
      2  * Copyright (c) 2009-2012 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.app;
     33 
     34 import com.jme3.app.state.AbstractAppState;
     35 import com.jme3.app.state.AppStateManager;
     36 import com.jme3.input.InputManager;
     37 import com.jme3.input.KeyInput;
     38 import com.jme3.input.controls.ActionListener;
     39 import com.jme3.input.controls.KeyTrigger;
     40 import com.jme3.math.Quaternion;
     41 import com.jme3.math.Vector3f;
     42 import com.jme3.renderer.Camera;
     43 import com.jme3.util.BufferUtils;
     44 
     45 
     46 /**
     47  *  Registers a few keys that will dump debug information
     48  *  to the console.
     49  *
     50  *  @author    Paul Speed
     51  */
     52 public class DebugKeysAppState extends AbstractAppState {
     53 
     54     public static final String INPUT_MAPPING_CAMERA_POS = "SIMPLEAPP_CameraPos";
     55     public static final String INPUT_MAPPING_MEMORY = "SIMPLEAPP_Memory";
     56 
     57     private Application app;
     58     private DebugKeyListener keyListener = new DebugKeyListener();
     59     private InputManager inputManager;
     60 
     61     public DebugKeysAppState() {
     62     }
     63 
     64     @Override
     65     public void initialize(AppStateManager stateManager, Application app) {
     66         super.initialize(stateManager, app);
     67 
     68         this.app = app;
     69         this.inputManager = app.getInputManager();
     70 
     71         if (app.getInputManager() != null) {
     72 
     73             inputManager.addMapping(INPUT_MAPPING_CAMERA_POS, new KeyTrigger(KeyInput.KEY_C));
     74             inputManager.addMapping(INPUT_MAPPING_MEMORY, new KeyTrigger(KeyInput.KEY_M));
     75 
     76             inputManager.addListener(keyListener,
     77                                      INPUT_MAPPING_CAMERA_POS,
     78                                      INPUT_MAPPING_MEMORY);
     79         }
     80     }
     81 
     82     @Override
     83     public void cleanup() {
     84         super.cleanup();
     85 
     86         if (inputManager.hasMapping(INPUT_MAPPING_CAMERA_POS))
     87             inputManager.deleteMapping(INPUT_MAPPING_CAMERA_POS);
     88         if (inputManager.hasMapping(INPUT_MAPPING_MEMORY))
     89             inputManager.deleteMapping(INPUT_MAPPING_MEMORY);
     90 
     91         inputManager.removeListener(keyListener);
     92     }
     93 
     94 
     95     private class DebugKeyListener implements ActionListener {
     96 
     97         public void onAction(String name, boolean value, float tpf) {
     98             if (!value) {
     99                 return;
    100             }
    101 
    102             if (name.equals(INPUT_MAPPING_CAMERA_POS)) {
    103                 Camera cam = app.getCamera();
    104                 if (cam != null) {
    105                     Vector3f loc = cam.getLocation();
    106                     Quaternion rot = cam.getRotation();
    107                     System.out.println("Camera Position: ("
    108                             + loc.x + ", " + loc.y + ", " + loc.z + ")");
    109                     System.out.println("Camera Rotation: " + rot);
    110                     System.out.println("Camera Direction: " + cam.getDirection());
    111                 }
    112             } else if (name.equals(INPUT_MAPPING_MEMORY)) {
    113                 BufferUtils.printCurrentDirectMemory(null);
    114             }
    115         }
    116     }
    117 }
    118