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public class Mob extends greenfoot.Actor
{
/** turn and move */
GifImage gifImage = new GifImage("ghost.gif");
int ghostHealth = 5,count = 10,sx = 15,sy = 15;
int direction = 0;// 0 = right; 1 = down ; 2 = left ; 3 = up // 0 = right; 1 = down ; 2 = left ; 3 = up
boolean hitByBullet = false;
boolean remove = false;
final int cooldown_reset = 90;
int cooldown_cnt = cooldown_reset;
int move_speed = 1;
private int abs(int a)
{
if (a <= 0) return -a;
else return a;
}
private boolean ninja_nearby(int x, int y, int distance)
{
return (abs(x*x+y*y-getX()*getX()-getY()*getY()) <= distance);
}
private void shoot(int direction)
{
getWorld().addObject(new Salt(90 * direction), getX(), getY());
}
public void detectNinja(int i)
{
ghostHealth = ghostHealth + i;
if(ghostHealth<=0) remove = true;
}
private boolean detectWallY(int x,int y, int dy)
{
if( getOneObjectAtOffset(0, dy*sy, Wall.class)== null && getOneObjectAtOffset(17, dy*sy, Wall.class)== null && getOneObjectAtOffset(-16, dy*sy, Wall.class)== null)
{
return false;
//if (!(getY()+dy < getImage().getHeight()/2 || getY()+dy > getWorld().getHeight()-getImage().getHeight()/2)) return false;
}
return true;
}
private boolean detectWallX(int x,int y,int dx)
{
if( getOneObjectAtOffset(dx*sx, 0, Wall.class)== null && getOneObjectAtOffset(dx*sx, 19, Wall.class)== null && getOneObjectAtOffset(dx*sx, -10, Wall.class)== null)
{
return false;
//if (!(getX()+dx < getImage().getWidth()/2 || getX()+dx > getWorld().getWidth()-getImage().getWidth()/2)) return false;
}
return true;
}
private boolean detectBullet()
{
int ssx = 10;
int ssy = 10;
if( getOneObjectAtOffset(0, ssy, Bullet.class)== null && getOneObjectAtOffset(17, ssy, Bullet.class)== null && getOneObjectAtOffset(-16, ssy, Bullet.class)== null) return false;
if( getOneObjectAtOffset(ssx, 0, Bullet.class)== null && getOneObjectAtOffset(ssx, 19, Bullet.class)== null && getOneObjectAtOffset(ssx, -10, Bullet.class)== null) return false;
else return true;
}
public void HitByBullet(int i)
{
ghostHealth = ghostHealth + i;
hitByBullet = true;
if(ghostHealth<=0) remove = true;
}
public boolean TouchActor()
{
int ssx = 8;
int ssy = 8;
if(getOneObjectAtOffset(0, ssy, Ninja.class)== null && getOneObjectAtOffset(17, ssy, Ninja.class)== null && getOneObjectAtOffset(-16, ssy, Ninja.class)== null) return false;
if(getOneObjectAtOffset(ssx, 0, Ninja.class)== null && getOneObjectAtOffset(ssx, 19, Ninja.class)== null && getOneObjectAtOffset(ssx, -10, Ninja.class)== null) return false;
else return true;
}
private void random_move(){
int rand = greenfoot.Greenfoot.getRandomNumber(500);
if (rand == 1) direction += 1;
else if(rand == 2) direction -= 1;
else if (rand == 3) direction -= 2;
while (direction > 3) direction -= 4;
while (direction < 0) direction += 4;
int dx = 0, dy = 0;
int stuck = 0;
for (int i = 0; i < 1; i++)
{
switch(direction)
{
case 0:
if (detectWallX(getX(), getY(), 1))
{
direction += 1;
i += 1;
stuck += 1;
}
else {dx = 1; dy = 0;}
break;
case 1:
if (detectWallY(getX(), getY(), 1))
{
direction += 1;
i += 1;
stuck += 1;
}
else {dx = 0; dy = 1;}
break;
case 2:
if (detectWallX(getX(), getY(), -1))
{
direction += 1;
i += 1;
stuck += 1;
}
else {dx = -1; dy = 0;}
break;
case 3:
if (detectWallY(getX(), getY(), -1))
{
direction = 0;
i += 1;
stuck += 1;
}
else {dx = 0; dy = -1;}
break;
default:
return;
}
if (stuck > 4) return;
}
//move
setLocation(getX()+dx, getY()+dy);
}
private void nearby_move(boolean move){
int x = ((Welt)getWorld()).getNinjaX() - getX();
int y = ((Welt)getWorld()).getNinjaY() - getY();
int list[] = {0, 0, 0, 0};
// 0 = right; 1 = down ; 2 = left ; 3 = up // 0 = right; 1 = down ; 2 = left ; 3 = up
if (abs(x) <= 26) x = 0;
if (abs(y) <= 25) y = 0;
if (x == 0){
if (y > 0) y = -1;
else y = 1;
list[0] = 2 + y;
list[1] = 2;
list[2] = 0;
list[3] = 2 - y;
}
else if (y == 0){
if (x < 0) x = -1;
else x = 1;
list[0] = 1 - x;
list[1] = 3;
list[2] = 1;
list[3] = 1 + x;
}
else if(abs(x) < abs(y)){
if (x < 0) x = -1;
else x = 1;
if (y > 0) y = -1;
else y = 1;
list[0] = 1 - x;
list[1] = 2 + y;
list[2] = 2 - y;
list[3] = 1 + x;
}
else {
if (x < 0) x = -1;
else x = 1;
if (y > 0) y = -1;
else y = 1;
list[0] = 2 + y;
list[1] = 1 - x;
list[2] = 1 + x;
list[3] = 2 - y;
}
int dx = 0, dy = 0;
int stuck = 0;
int c = 0;
for (int i = 0; i < 1; i++)
{
switch(list[stuck])
{
case 0:
if (detectWallX(getX(), getY(), 1))
{
direction += 1;
i -= 1;
stuck += 1;
}
else {direction = 0;dx = 1; dy = 0;}
break;
case 1:
if (detectWallY(getX(), getY(), 1))
{
direction += 1;
i -= 1;
stuck += 1;
}
else {direction = 1;dx = 0; dy = 1;}
break;
case 2:
if (detectWallX(getX(), getY(), -1))
{
direction += 1;
i -= 1;
stuck += 1;
}
else {direction = 2;dx = -1; dy = 0;}
break;
case 3:
if (detectWallY(getX(), getY(), -1))
{
direction = 0;
i -= 1;
stuck += 1;
}
else {direction = 3;dx = 0; dy = -1;}
break;
default:
return;
}
if (stuck >= 4) return;
}
//move
if (move){
setLocation(getX()+dx, getY()+dy);
}
}
private void direction_correction(){
int x = ((Welt)getWorld()).getNinjaX() - getX();
int y = ((Welt)getWorld()).getNinjaY() - getY();
int x2 = ((Welt)getWorld()).getNinjaX() - getX();
int y2 = ((Welt)getWorld()).getNinjaY() - getY();
int list[] = {0, 0, 0, 0};
// 0 = right; 1 = down ; 2 = left ; 3 = up // 0 = right; 1 = down ; 2 = left ; 3 = up
if (abs(x) <= 26) x = 0;
if (abs(y) <= 25) y = 0;
if (x == 0 && y == 0){
if (abs(x2) > abs(y2)){
x = x2;
y = 0;
}
else{
x = 0;
y = y2;
}
}
if (x == 0){
if (y > 0) y = -1;
else y = 1;
list[0] = 2 + y;
list[1] = 2;
list[2] = 0;
list[3] = 2 - y;
}
else if (y == 0){
if (x < 0) x = -1;
else x = 1;
list[0] = 1 - x;
list[1] = 3;
list[2] = 1;
list[3] = 1 + x;
}
else if(abs(x) < abs(y)){
if (x < 0) x = -1;
else x = 1;
if (y > 0) y = -1;
else y = 1;
list[0] = 1 - x;
list[1] = 2 + y;
list[2] = 2 - y;
list[3] = 1 + x;
}
else {
if (x < 0) x = -1;
else x = 1;
if (y > 0) y = -1;
else y = 1;
list[0] = 2 + y;
list[1] = 1 - x;
list[2] = 1 + x;
list[3] = 2 - y;
}
int dx = 0, dy = 0;
int stuck = 0;
int c = 0;
for (int i = 0; i < 1; i++)
{
switch(list[stuck])
{
case 0:
if (detectWallX(getX(), getY(), 1))
{
random_move();
}
else {direction = 0;dx = 1; dy = 0;}
break;
case 1:
if (detectWallY(getX(), getY(), 1))
{
random_move();
}
else {direction = 1;dx = 0; dy = 1;}
break;
case 2:
if (detectWallX(getX(), getY(), -1))
{
random_move();
}
else {direction = 2;dx = -1; dy = 0;}
break;
case 3:
if (detectWallY(getX(), getY(), -1))
{
random_move();
}
else {direction = 3;dx = 0; dy = -1;}
break;
default:
return;
}
}
}
public boolean in_stop_moving_zone(){
int x = abs(((Welt)getWorld()).getNinjaX() - getX());
int y = abs(((Welt)getWorld()).getNinjaY() - getY());
return (x <= 50 && y <= 50);
}
public boolean in_reverse_moving_zone(){
int x = abs(((Welt)getWorld()).getNinjaX() - getX());
int y = abs(((Welt)getWorld()).getNinjaY() - getY());
return (x <= 45 && y <= 45);
}
public void reverse_move(){
int x = ((Welt)getWorld()).getNinjaX() - getX();
int y = ((Welt)getWorld()).getNinjaY() - getY();
boolean bool1 = x>y;
boolean bool2 = x+y>0;
if ((!bool1) && (bool2)){
//up
if (detectWallY(getX(), getY(), -1)) random_move();
else setLocation(getX(), getY()-1);
}
else if ((bool1) && (bool2)){
//left
if (detectWallX(getX(), getY(), -1)) random_move();
else setLocation(getX()-1, getY());
}
else if ((!bool1) && (!bool2)){
//right
if (detectWallX(getX(), getY(), 1)) random_move();
else setLocation(getX()+1, getY());
}
else{
//down
if (detectWallY(getX(), getY(), 1)) random_move();
else setLocation(getX(), getY()+1);
}
}
boolean invisible;
public void DetectNinjaInvisible()
{
Ninja a = ((Welt)getWorld()).getNinja();
if(a!= null)
{
invisible = a.NinjaIsInvisible();
}
}
public void act()
{
DetectNinjaInvisible();
if(hitByBullet)
{
if(count <= 10)
{
setImage("ghost.png");
count--;
}
if(count<0){
setImage(gifImage.getCurrentImage());
count = 10;
hitByBullet = false;
}
}
else setImage(gifImage.getCurrentImage());
//move
for(int i =0; i < move_speed;i++){
if (!invisible && ninja_nearby(((Welt)getWorld()).getNinjaX(), ((Welt)getWorld()).getNinjaY(),200000)){
//nearby
if(in_reverse_moving_zone()) reverse_move();
else if(in_stop_moving_zone()) direction_correction();
else nearby_move(true);
}
else random_move();
}
//attack
if (cooldown_cnt >= 0) cooldown_cnt -= 2;
if(!invisible && ninja_nearby(((Welt)getWorld()).getNinjaX(), ((Welt)getWorld()).getNinjaY(),100000))
{
if (cooldown_cnt <= 0)
{
shoot(direction);
cooldown_cnt = cooldown_reset;
}
}
if(remove == true) getWorld().removeObject(this);
}
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