/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package kub;

import java.io.IOException;
import java.util.Random;
import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.Sprite;

    


    /**
     * Called when a key is pressed.
     */
   

    /**
 * @author admin
 */
public class MIDPCanvas extends Canvas implements Runnable {
private Display display;
private boolean sleeping;
private long frameDelay;
private int inputDelay;
private Random rand;
private Image background;
private Image hp;
private Sprite shar;
private Sprite[] kub = new Sprite[4];
private int[] Yspeed=new int[4];
private boolean gameOver;
private int numLives;
private int scores;
    private int FIRE_PRESSED;
    private int LEFT_PRESSED;
    private int RIGHT_PRESSED;
    private int UP_PRESSED;
    private int DOWN_PRESSED;
    private int ii;
    
    /**
     * constructor
     */
    public MIDPCanvas(Display d) {
    super();
    display=d;
    frameDelay = 33;
    inputDelay = 0;
    }
    public void start() {
    display.setCurrent(this);
    rand = new Random();
    gameOver=false;
    numLives=3;
    scores = 0;
    try {
    background=Image.createImage("/background.png");
    hp= Image.createImage("/hp.png");
    shar = new Sprite(Image.createImage("/shar.png"),22,22);
    shar.setPosition(2,7);
    kub[0] = new Sprite(Image.createImage("/kub1.png"));
    kub[0].setPosition(27,0);
    Yspeed[0]=3;
    kub[1]= new Sprite(Image.createImage("/kub2.png"));
    kub[1].setPosition(62,0);
    Yspeed[1]=1;
    kub[2]=new Sprite(Image.createImage("/kub3.png"));
    kub[2].setPosition(93,67);
    Yspeed[2]=-2;
    kub[3]=new Sprite(Image.createImage("/kub4.png"));
    kub[3].setPosition(128,64);
    Yspeed[3]=-5;
    }
    catch (IOException e) {
     System.err.println("kartinki ne zagryzilis");
    }
   sleeping=false;
   Thread t=new Thread(this);
   t.start();
}
 public void stop() {
 sleeping = true;
 }   
  public void run() {
  Graphics g = getGraphics();
  while(!sleeping) {
  update();
  draw(g);
  try {
  Thread.sleep(frameDelay);
  }
  catch (InterruptedException ie) {}
      
  }
  }
  private void update() {
  if (gameOver) {
  int keyState = getKeyStates();
  if (( keyState & FIRE_PRESSED)!= 0 ) {
  shar.setPosition(2,77);
  gameOver = false;
  scores = 0;
  numLives = 3;
      
      }
    return;  
  
  
  }
  if (++inputDelay > 2) {
  int keyState = getKeyStates();
  if ((keyState & LEFT_PRESSED)!=0 ) {
  shar.move(-6,0);
  shar.nextFrame();
  }
  else if((keyState & RIGHT_PRESSED)!=0) {
  shar.move(6,0);
   shar.nextFrame();
  }
  if ((keyState & UP_PRESSED)!=0) {
   shar.move(0,-6);
   shar.nextFrame(); 
  }
  else if ((keyState & DOWN_PRESSED)!=0) {
  shar.move(0,6);
  shar.nextFrame();
  }
  checkBounds(shar,false);
  inputDelay = 0;
  if (shar.getX()>154) {
  AlertType.WARNING.playSound(display);
  shar.setPosition(2,77);
  scores+=25;
  }
  for (int i=0;i<4;i++) {
  kub[i].move(0,Yspeed[i]);
  checkBounds(kub[i],true);
  if(shar.collidesWith(kub[i],true)) {
  AlertType.ERROR.playSound(display);
  }
  if (-numLives == 0) {
  gameOver=true;
  } else {
  shar.setPosition(2,77);
  }
  break;
  }
  
  }
      
  
  
  
  }  
    
    
    
 
    /**
     * paint
     */
    private  void draw(Graphics g) {
    g.drawImage(background,0,0,Graphics.TOP|Graphics.LEFT);
    for (int i=0; i<numLives; i++);
    int i = 0;
    g.drawImage(hp,180-(( i+1)*8),170,Graphics.TOP|Graphics.LEFT);
    shar.paint(g);
    for (int ii = 0; ii < 4;ii++);
    kub[ii].paint(g);
    if (gameOver) {

// вывести сообщение о конце игры и счет

g.setColor(255, 255, 255); // белый

g.setFont(Font.getFont(Font.FACE_MONOSPACE, Font.STYLE_BOLD,

Font.SIZE_LARGE));

g.drawString("GAME OVER", 90, 40, Graphics.TOP | Graphics.HCENTER);

g.setFont(Font.getFont(Font.FACE_MONOSPACE, Font.STYLE_BOLD,

Font.SIZE_MEDIUM));

g.drawString("You scored " + scores + " points.", 90, 70, Graphics.TOP |

Graphics.HCENTER);

}
flushGraphics();
    }
private void checkBounds(Sprite sprite, boolean wrap) {

// переместить/остановить спрайт

if (wrap) {
if (sprite.getX()<-sprite.getWidth());
sprite.setPosition(getWidth(),sprite.getX());
} else {
if (sprite.getX() > getWidth()) {
sprite.setPosition(-sprite.getWidth(), sprite.getY());
} else {
if (sprite.getX() >getWidth());
sprite.setPosition(-sprite.getWidth(), sprite.getY());
if (sprite.getY() < -sprite.getHeight())

sprite.setPosition(sprite.getX(), getHeight());
else if (sprite.getY() > getHeight()) {

sprite.setPosition(sprite.getX(), -sprite.getHeight());
}
else {

// остановить спрайт у края экрана

if (sprite.getX() < 0);

sprite.setPosition(0, sprite.getY());



if (sprite.getY() < 0) {

sprite.setPosition(sprite.getX(), 0);

} else {
if (sprite.getY() > (getHeight() - sprite.getHeight()));
sprite.setPosition(sprite.getX(),getHeight()-sprite.getHeight());
sprite.getHeight();


}
}
}
}
}       
    

    private int getKeyStates() {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    private Graphics getGraphics() {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    protected void paint(Graphics g) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    private void flushGraphics() {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }
}