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/*
 * Copyright (C) 2014 Pablo Campillo-Sanchez 
 *
 * This software has been developed as part of the 
 * SociAAL project directed by Jorge J. Gomez Sanz
 * (http://grasia.fdi.ucm.es/sociaal)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */
package phat.devices.controls;

import com.jme3.export.JmeExporter;
import com.jme3.export.JmeImporter;
import com.jme3.renderer.RenderManager;
import com.jme3.renderer.ViewPort;
import com.jme3.scene.Geometry;
import com.jme3.scene.Node;
import com.jme3.scene.Spatial;
import com.jme3.scene.control.AbstractControl;
import com.jme3.scene.control.Control;
import com.jme3.texture.Image;
import com.jme3.texture.Texture;
import com.jme3.texture.Texture2D;
import com.jme3.texture.plugins.AWTLoader;
import java.awt.image.BufferedImage;
import java.io.IOException;
import phat.mobile.adm.AndroidVirtualDevice;

/**
 *
 * @author pablo
 */
public class ScreenAVDControl extends AbstractControl {

    float frecuency = 1f;
    float cont = 0f;
    AndroidVirtualDevice avd;
    Geometry display;
    Texture texture;
    AWTLoader awtLoader;
    final BufferedImage[] buf = new BufferedImage[2];
    int index = -1;
    int imagCont = 0;
    Thread imageCapture;
    boolean finish;
    
    public ScreenAVDControl(Geometry display, AndroidVirtualDevice avd) {
        this.display = display;
        this.avd = avd;
    }

    @Override
    public void setSpatial(Spatial spatial) {
        super.setSpatial(spatial);

        if (spatial != null) {
            awtLoader = new AWTLoader();
            imageCapture = new Thread() {
                @Override
                public void run() {
                    while (!finish) {
                        long t1 = System.currentTimeMillis();
                        BufferedImage bi = avd.takeSnapshot();
                        long t2 = System.currentTimeMillis();
                        System.out.println("takeSnapshot Time = " + (t2 - t1));
                        synchronized (buf) {
                            if (index == -1) {
                                index = 0;
                                buf[0] = bi;
                            } else {
                                index = (index + 1) % 2;
                                buf[index] = bi;
                            }
                            imagCont++;
                        }
                    }
                }
            };
            imageCapture.start();
        } else {
            finish = true;
        }
    }

    @Override
    protected void controlUpdate(float fps) {
        cont += fps;
        if (cont > frecuency) {
            synchronized (buf) {
                if (imagCont > 0) {
                    if (texture == null) {
                        texture = new Texture2D(buf[index].getWidth(), buf[index].getHeight(), Image.Format.Depth24);
                        texture.setImage(awtLoader.load(buf[index], true));
                        display.getMaterial().setTexture("ColorMap", texture);
                    } else {
                        texture.setImage(awtLoader.load(buf[index], true));
                        display.updateGeometricState();
                    }
                    imagCont--;
                }
            }
            cont = 0f;
        }
    }

    @Override
    protected void controlRender(RenderManager rm, ViewPort vp) {
    }

    @Override
    public Control cloneForSpatial(Spatial sptl) {
        return new ScreenAVDControl(display, avd);
    }

    @Override
    public void write(JmeExporter ex) throws IOException {
        super.write(ex);

    }

    @Override
    public void read(JmeImporter im) throws IOException {
        super.read(im);
    }

    public float getFrecuency() {
        return frecuency;
    }

    public void setFrecuency(float frecuency) {
        this.frecuency = frecuency;
    }
}