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 */
32package com.jme3.app;
33
34import com.jme3.app.state.AbstractAppState;
35import com.jme3.app.state.AppStateManager;
36import com.jme3.input.FlyByCamera;
37
38
39/**
40 *  Manages a FlyByCamera.
41 *
42 *  @author    Paul Speed
43 */
44public class FlyCamAppState extends AbstractAppState {
45
46    private Application app;
47    private FlyByCamera flyCam;
48
49    public FlyCamAppState() {
50    }
51
52    /**
53     *  This is called by SimpleApplication during initialize().
54     */
55    void setCamera( FlyByCamera cam ) {
56        this.flyCam = cam;
57    }
58
59    public FlyByCamera getCamera() {
60        return flyCam;
61    }
62
63    @Override
64    public void initialize(AppStateManager stateManager, Application app) {
65        super.initialize(stateManager, app);
66
67        this.app = app;
68
69        if (app.getInputManager() != null) {
70
71            if (flyCam == null) {
72                flyCam = new FlyByCamera(app.getCamera());
73            }
74
75            flyCam.registerWithInput(app.getInputManager());
76        }
77    }
78
79    @Override
80    public void setEnabled(boolean enabled) {
81        super.setEnabled(enabled);
82
83        flyCam.setEnabled(enabled);
84    }
85
86    @Override
87    public void cleanup() {
88        super.cleanup();
89
90        flyCam.unregisterInput();
91    }
92
93
94}
95