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 com.jme3.app.state;
34 
35 import com.jme3.app.Application;
36 import com.jme3.renderer.RenderManager;
37 
38 /**
39  * <code>AbstractAppState</code> implements some common methods
40  * that make creation of AppStates easier.
41  * @author Kirill Vainer
42  */
43 public class AbstractAppState implements AppState {
44 
45     /**
46      * <code>initialized</code> is set to true when the method
47      * {@link AbstractAppState#initialize(com.jme3.app.state.AppStateManager, com.jme3.app.Application) }
48      * is called. When {@link AbstractAppState#cleanup() } is called, <code>initialized</code>
49      * is set back to false.
50      */
51     protected boolean initialized = false;
52     private boolean enabled = true;
53 
initialize(AppStateManager stateManager, Application app)54     public void initialize(AppStateManager stateManager, Application app) {
55         initialized = true;
56     }
57 
isInitialized()58     public boolean isInitialized() {
59         return initialized;
60     }
61 
setEnabled(boolean enabled)62     public void setEnabled(boolean enabled) {
63         this.enabled = enabled;
64     }
65 
isEnabled()66     public boolean isEnabled() {
67         return enabled;
68     }
69 
stateAttached(AppStateManager stateManager)70     public void stateAttached(AppStateManager stateManager) {
71     }
72 
stateDetached(AppStateManager stateManager)73     public void stateDetached(AppStateManager stateManager) {
74     }
75 
update(float tpf)76     public void update(float tpf) {
77     }
78 
render(RenderManager rm)79     public void render(RenderManager rm) {
80     }
81 
postRender()82     public void postRender(){
83     }
84 
cleanup()85     public void cleanup() {
86         initialized = false;
87     }
88 
89 }
90