/*
 * flashlight.java
 *
 * Created on January 27, 2008, 4:29 PM
 *Forrest Heller 2008
 *Released under GPL
 */

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import java.util.*;
/**
 *
 * @author Forrest Heller
 *This code is not commented because I don't care.
 */
public class flashlight extends MIDlet implements CommandListener {
    flashlight_canvas f;
    /** Creates a new instance of flashlight */
    public flashlight() {
        initialize();
    }
    
    private Form controls;//GEN-BEGIN:MVDFields
    private StringItem controls_box;
    private Command okCommand1;
    private Command back_command;
    private StringItem stringItem1;//GEN-END:MVDFields
    
//GEN-LINE:MVDMethods
    
    /** Called by the system to indicate that a command has been invoked on a particular displayable.//GEN-BEGIN:MVDCABegin
     * @param command the Command that ws invoked
     * @param displayable the Displayable on which the command was invoked
     */
    public void commandAction(Command command, Displayable displayable) {//GEN-END:MVDCABegin
        // Insert global pre-action code here
        if (displayable == controls) {//GEN-BEGIN:MVDCABody
            if (command == back_command) {//GEN-END:MVDCABody
                // Do nothing//GEN-LINE:MVDCAAction13
                this.getDisplay().setCurrent(f);
            }//GEN-BEGIN:MVDCACase13
        }//GEN-END:MVDCACase13

}//GEN-LINE:MVDCAEnd
    
    /** This method initializes UI of the application.//GEN-BEGIN:MVDInitBegin
     */
    private void initialize() {//GEN-END:MVDInitBegin
   
        back_command = new Command("Back", Command.BACK, 1);//GEN-BEGIN:MVDInitInit
        controls_box = new StringItem("Controls", "0=quit\n1=on / flashing / off\n2=show this\nColors [Hold down keys]:\n4=turn up red\n5=turn up green\n6=turn up blue\n7=turn down red\n8=turn down green\n9=turn down blue\nMax red green and blue is white.\nMin red green and blue is black.");
        stringItem1 = new StringItem("About", "Flashlight by Forrest Heller (forrest@forrestheller.com)\nThis software is released under the GPL and contains no ads or whatever.");
        controls = new Form(null, new Item[] {
            controls_box,
            stringItem1
        });
        controls.addCommand(back_command);
        controls.setCommandListener(this);
        okCommand1 = new Command("Ok", Command.OK, 1);//GEN-END:MVDInitInit
        
    }//GEN-LINE:MVDInitEnd
    
    public Display getDisplay() {//GEN-FIRST:MVDGetDisplay
        return Display.getDisplay(this);
    }//GEN-LAST:MVDGetDisplay

    public void exitMIDlet() {//GEN-FIRST:MVDExitMidlet
        getDisplay().setCurrent(null);
        destroyApp(true);
        notifyDestroyed();
    }//GEN-LAST:MVDExitMidlet
    public void show_help() {
        this.getDisplay().setCurrent(controls);
    }
    public void startApp() {
        f = new flashlight_canvas(0xffffff,this);
        getDisplay().setCurrent(f);
    }
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
        f.stop();
    }
    
}
class flashlight_canvas extends Canvas implements Runnable {
    public int bgcolor=0xffffff;
    int state = 0;
    flashlight ref_f;
    java.util.Random r;
    Thread game_thread;
    int sleep_time = 1000;
    public boolean is_running;
    public flashlight_canvas(int bcolor, flashlight f) {
        bgcolor = bcolor;
        ref_f = f;
        is_running = true;
        game_thread = new java.lang.Thread(this);
        game_thread.start();
        this.setFullScreenMode(true);
        r = new Random();
        r.setSeed(5175921);
        
    }
    public void stop() {
        is_running = false;
        /*wait for thread to die*/
        try {
            game_thread.join();
        } catch (Exception ex) {
        }
        /*reset all weapons*/
    }
    public void run() {
        while(is_running) {
            
            this.repaint();
            
            
           Thread.yield(); 
        }
    }
    public void keyPressed(int keycode) {
        
        
        switch(keycode) {
            case Canvas.KEY_NUM0:
                ref_f.exitMIDlet();
                break;
            case Canvas.KEY_NUM2:
                this.ref_f.show_help();
                break;
            case Canvas.KEY_NUM1:
               switch(state) {
                   case 0:
                       state = 1;
                   break;
                   case 1:
                       state = 2;
                       bgcolor = 0x0;
                   break;
                   case 2:
                       state =0;
                       Display.getDisplay(ref_f).flashBacklight(0);
                       bgcolor =0x00ffffff;
                   break;
               }
                this.repaint();
                break;
                
            default:
                switch(this.getGameAction(keycode)) {
                   /* case Canvas.UP:
                        if (sleep_time > 200) sleep_time -= 200;
                        break;
                    case Canvas.DOWN:
                        sleep_time += 200;
                        break;
                    */
                }
        }
    }
    public void keyRepeated(int keycode) {
        int red,green,blue;
        red = (bgcolor & 0xff0000);
        green = bgcolor & 0x00ff00;
        blue = bgcolor & 0x0000ff;
        switch(keycode) {
            
            case Canvas.KEY_NUM4:
                if (red < 0xff0000)
                    bgcolor = (bgcolor & 0x00ffff) | (red + 0x0f0000);
                this.repaint();
                
                break;
            case Canvas.KEY_NUM5:
                if (green < 0xff00)
                    bgcolor = (bgcolor & 0xff00ff) | (green + 0x000f00);
                this.repaint();
                break;
            case Canvas.KEY_NUM6:
                if (blue < 0xff)
                    bgcolor = (bgcolor & 0xffff00) | (blue + 0x00000f);
                this.repaint();
                break;
            case Canvas.KEY_NUM7:
                if (red > 0x00ffff)
                    bgcolor = (bgcolor & 0x00ffff) | (red - 0x0f0000);
                this.repaint();
                
                break;
            case Canvas.KEY_NUM8:
                if (green > 0xff)
                    bgcolor = (bgcolor & 0xff00ff) | (green - 0x000f00);
                this.repaint();
                break;
            case Canvas.KEY_NUM9:
                if (blue > 0)
                    bgcolor = (bgcolor & 0xffff00) | (blue - 0x00000f);
                this.repaint();
                break;
                
        }
    }
    public void paint(Graphics g) {
        if (state == 1) {
            bgcolor= r.nextInt() & 0x00ffffff;
        }
        g.setColor(bgcolor);
        g.fillRect(0,0,g.getClipWidth(),g.getClipHeight());
        g.fillRect(0,0,g.getClipWidth(),g.getClipHeight());
        if (state != 2)
        Display.getDisplay(ref_f).flashBacklight(1000);
    }
}