jmedesktopstate.java

java 3d game jme 工程开发源代码

/*
 * Copyright (c) 2003-2009 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
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.jmex.awt.swingui;

import java.awt.Color;
import java.lang.reflect.InvocationTargetException;
import java.util.logging.Level;
import java.util.logging.Logger;

import javax.swing.SwingUtilities;

import com.jme.input.InputHandler;
import com.jme.renderer.Renderer;
import com.jme.scene.Node;
import com.jme.scene.Spatial.CullHint;
import com.jme.scene.Spatial.LightCombineMode;
import com.jme.system.DisplaySystem;
import com.jmex.game.state.BasicGameState;

/**
 * @author Matthew D. Hicks
 */
public class JMEDesktopState extends BasicGameState {
    private static final Logger logger = Logger.getLogger(JMEDesktopState.class.getName());
    
    private boolean variableDesktopSize;
    private Node guiNode;
    private InputHandler guiInput;
    private JMEDesktop desktop;
    
    private int width;
    private int height;
    
    public JMEDesktopState() {
        this(800, 600);
    }
    
    public JMEDesktopState(int width, int height) {
        super("jMEDesktop");
        this.width = width;
        this.height = height;
        init();
    }
    
    public JMEDesktopState(boolean variableDesktopSize) {
        super("jMEDesktop");
        this.variableDesktopSize = variableDesktopSize;
        init();
    }
    
    private void init() {
        guiNode = new Node("GUI");
        guiNode.setCullHint(CullHint.Never);
        guiNode.setLightCombineMode(LightCombineMode.Off);
        
        rootNode = new Node("RootNode");
        
        guiInput = new InputHandler();
        guiInput.setEnabled(true);

        if (variableDesktopSize) {
            desktop = new JMEDesktop("Desktop", DisplaySystem.getDisplaySystem().getWidth(), DisplaySystem.getDisplaySystem().getHeight(), guiInput);
        } else {
            desktop = new JMEDesktop("Desktop", width, height, guiInput);
        }

        try {
            SwingUtilities.invokeAndWait(new Runnable() {

                public void run() {
                    desktop.getJDesktop().setName("Desktop");
                    desktop.getJDesktop().setBackground(new Color(0.0f, 0.0f, 0.0f, 0.0f));
                    desktop.getJDesktop().setOpaque(true);

                    buildUI();
                }});
        } catch(InvocationTargetException exc) {
            logger.logp(Level.SEVERE, this.getClass().toString(), "init()", "Exception", exc);
        } catch(InterruptedException exc) {
            logger.logp(Level.SEVERE, this.getClass().toString(), "init()", "Exception", exc);
        }
        
        guiNode.attachChild(desktop);
        guiNode.getLocalTranslation().set(DisplaySystem.getDisplaySystem().getWidth() / 2, DisplaySystem.getDisplaySystem().getHeight() / 2, 0.0f);
        guiNode.getLocalScale().set(1.0f, 1.0f, 1.0f);
        guiNode.updateRenderState();
        guiNode.updateGeometricState(0.0f, true);
        guiNode.setRenderQueueMode(Renderer.QUEUE_ORTHO);
        guiNode.updateGeometricState(0.0f, true);
        guiNode.updateRenderState();
    }
    
    protected void buildUI() {
    }
    
    public void update(float tpf) {
        guiInput.update(tpf);
        guiNode.updateGeometricState(tpf, true);
        super.update(tpf);
    }
    
    public void render(float tpf) {
        DisplaySystem.getDisplaySystem().getRenderer().draw(guiNode);
    }
    
    public void cleanup() {
        desktop.dispose();
    }
    
    public Node getGUINode() {
        return guiNode;
    }
    
    public JMEDesktop getDesktop() {
        return desktop;
    }
    
    public InputHandler getInputHandler() {
        return guiInput;
    }
}