jmonkeyengine/jme3-examples/src/main/java/jme3test/app/TestAppStateLifeCycle.java

/*
 * 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
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package jme3test.app;

import com.jme3.app.Application;
import com.jme3.app.SimpleApplication;
import com.jme3.app.state.AbstractAppState;
import com.jme3.app.state.AppStateManager;
import com.jme3.material.Material;
import com.jme3.math.Vector3f;
import com.jme3.renderer.RenderManager;
import com.jme3.scene.Geometry;
import com.jme3.scene.shape.Box;


/**
 *  Tests the app state lifecycles.
 *
 *  @author    Paul Speed
 */
public class TestAppStateLifeCycle extends SimpleApplication {

    public static void main(String[] args){
        TestAppStateLifeCycle app = new TestAppStateLifeCycle();
        app.start();
    }

    @Override
    public void simpleInitApp() {
        Box b = new Box(1, 1, 1);
        Geometry geom = new Geometry("Box", b);
        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
        mat.setTexture("ColorMap", assetManager.loadTexture("Interface/Logo/Monkey.jpg"));
        geom.setMaterial(mat);
        rootNode.attachChild(geom);

        System.out.println("Attaching test state.");
        stateManager.attach(new TestState());        
    }

    @Override
    public void simpleUpdate(float tpf) {
    
        if(stateManager.getState(TestState.class) != null) {
            System.out.println("Detaching test state."); 
            stateManager.detach(stateManager.getState(TestState.class));
            System.out.println("Done"); 
        }        
    }
    
    public class TestState extends AbstractAppState {
 
        @Override
        public void initialize(AppStateManager stateManager, Application app) {
            super.initialize(stateManager, app);
            System.out.println("Initialized");
        }
 
        @Override
        public void stateAttached(AppStateManager stateManager) {
            super.stateAttached(stateManager);
            System.out.println("Attached");
        }
 
        @Override
        public void update(float tpf) {
            super.update(tpf);
            System.out.println("update");
        }

        @Override
        public void render(RenderManager rm) {
            super.render(rm);
            System.out.println("render");
        }

        @Override
        public void postRender() {
            super.postRender();
            System.out.println("postRender");
        }

        @Override
        public void stateDetached(AppStateManager stateManager) {
            super.stateDetached(stateManager);
            System.out.println("Detached");
        }
 
        @Override
        public void cleanup() {
            super.cleanup();
            System.out.println("Cleanup"); 
        }

    }    
}