import javax.microedition.lcdui.*;
import java.util.*;

public class canvas extends Canvas implements Runnable{

 public Thread t;
 public int pole[];
 public int x,y;
 public int xTarget,yTarget,kx,ky;
 public int wasAI;

 public canvas() {
 super();
 x=1;
 y=1;
 pole=new int[]{1,1,1,1,1,1,1,1,1,1,
1,0,0,0,0,0,0,0,0,1,
1,1,1,1,0,1,1,0,1,1,
1,0,0,0,0,0,0,0,0,1,
1,0,1,0,1,1,1,0,0,1,
1,0,1,0,0,0,0,0,0,1,
1,0,1,1,1,0,1,1,1,1,
1,0,0,0,0,0,1,1,1,1,
2,0,0,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1
};
t=new Thread(this);
t.start();


}

 public void run(){
 while(true){
 repaint();
 ai();
 try{
 t.sleep(2500);
 }
 catch(Exception e){}
 }
 }
 
 
 public void paint(Graphics g) {
g.setColor(0,0,0);
g.fillRect(0,0,getHeight(),getWidth());

int i=0;
while(i<100){

switch(pole[i]){
case 0:
g.setColor(0,0,0);
break;

case 1:
g.setColor(200,200,200);
break;

case 2:
g.setColor(230,0,0);
break;
}
g.fillRect(kx+i%10*16,ky+i/10*16,16,16);
i++;
}
g.setColor(200,0,0);
g.fillRect(kx+x*16,ky+y*16,16,16);


 }

 public int getCell(int x,int y){
int cellNumber=y*10+x;
return pole[cellNumber];
 }

 public void search(){
 
 for(int i=0;i<pole.length;i++){
 
 if(pole[i]==2){
xTarget=i%10;
yTarget=i/10;
 }

}

}

 protected  void keyPressed(int keyCode) {
if(keyCode==KEY_NUM5) main.link.notifyDestroyed();
if(keyCode==KEY_NUM8)ky-=5;
if(keyCode==KEY_NUM2)ky+=5;
 }

public void ai(){

search();

if(yTarget<y){

int flag=getCell(x,y--);
switch(flag){
case 0:
y--;
wasAI=1;
break;

case 1:
int flag2lvl=getCell(x++,y);
if(flag2lvl==0)x++;
else x--;
wasAI=1;
break;
}
}

if(yTarget>y&&wasAI!=1){
int flag=getCell(x,y++);
switch(flag){
case 0:
y++;
wasAI=1;
break;


case 1:
int flag2lvl=getCell(x++,y);
if(flag2lvl==0)x++;
else x--;
wasAI=1;
break;
}
}

if(xTarget<x&&wasAI!=1){

int flag=getCell(x--,y);
switch(flag){
case 0:
x--;
wasAI=1;
break;

case 1:
int flag2lvl=getCell(x,y++);
if(flag2lvl==0)y++;
else y--;
wasAI=1;
break;
}
}


if(xTarget>x&&wasAI!=1){
int flag=getCell(x++,y);
switch(flag){
case 0:
x++;
wasAI=1;
break;
case 1:
int flag2lvl=getCell(x,y++);
if(flag2lvl==0)y++;
else y--;
wasAI=1;
break;
}
}
wasAI=0;

}
}