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/*
 * Copyright (c) 2009-2012 jMonkeyEngine
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 */
package com.jme3.app.state;

import com.jme3.app.Application;
import com.jme3.renderer.RenderManager;

/**
 * AbstractAppState implements some common methods
 * that make creation of AppStates easier.
 * @author Kirill Vainer
 */
public class AbstractAppState implements AppState {

    /**
     * initialized is set to true when the method
     * {@link AbstractAppState#initialize(com.jme3.app.state.AppStateManager, com.jme3.app.Application) }
     * is called. When {@link AbstractAppState#cleanup() } is called, initialized
     * is set back to false.
     */
    protected boolean initialized = false;
    private boolean enabled = true;

    public void initialize(AppStateManager stateManager, Application app) {
        initialized = true;
    }

    public boolean isInitialized() {
        return initialized;
    }

    public void setEnabled(boolean enabled) {
        this.enabled = enabled;
    }
    
    public boolean isEnabled() {
        return enabled;
    }

    public void stateAttached(AppStateManager stateManager) {
    }

    public void stateDetached(AppStateManager stateManager) {
    }

    public void update(float tpf) {
    }

    public void render(RenderManager rm) {
    }

    public void postRender(){
    }

    public void cleanup() {
        initialized = false;
    }

}