package battleTank;
import java.util.LinkedList;
import java.util.Observable;
import rectangles.CrateRectangle;
/**
* This class is the crate object which has health, a rectangle that will be
* used to determine object collisions, and a location. The crate object may be
* created, determined if has health, receive damage, and determined if needed
* to be removed from the field.
*
* @author Team Exception
*
* @see Item, TankView, PlayerTank
*
* @extends Observable
*
* @implements Obstacle
*
*/
public class Crate extends Observable implements Obstacle {
// declaring instance variables
private static final long serialVersionUID = 1L;
private int health;// health of the crate (either 0 or 1)
private CrateRectangle rect;// shape for crate controlling collisions
private Point location;// location of crate
private PlayerTank player;// current tank of player
private Map map;// map that this crate is on
/**
* This is the class constructor for the Crate class. The create is an
* object with health (so can be destroyed) and can be moved around the
* field when collided into by a tank.
*
* @category constructor
*
* @param p
* point of the location at which the crate is to be created.
* @param map
* map on which this crate is to be created.
*
*/
public Crate(Point p, Map map) {
this.map = map;
player = map.getPlayers().getFirst();
location = p;
health = 1;// one shot death
// 25 is to offset for the size so it's not off the field
rect = new CrateRectangle(location.col - 25, location.row - 25);
}
/**
* The method receiveDamage will modify the health of this crate object
* according to the damage done to it.
*
* @param dmg
* damage that will be done to the crate
*/
public void recieveDamage(int dmg) {
health = health - dmg;
if (this.removeObstacle()) {
rect = new CrateRectangle(-1, -1);// removing off field
map.getObstacles().remove(this);
}
}
/**
* This method will remove the crate obstacle from the field if it has a
* health of 0.
*
* @return returns whether the obstacle is dead or not and needs to be
* removed
*/
public boolean removeObstacle() {
if (health == 0) {// if health is 0
return true;
} else {
return false;
}
}
/**
* This method will return the current health of this instance of crate.
*
* @return returns the health of the crate
*/
public int getHealth() {
return health;
}
/**
*
* This method will move the crate in the direction it is being pushed by
* the player's tank.
*
* @return if it has successfully moved the crate
*/
public boolean move(Direction d) {
LinkedList<Obstacle> obs = map.getObstacles();
LinkedList<PlayerTank> players = map.getPlayers();
LinkedList<EnemyTank> enemies = map.getEnemies();
if (d == Direction.EAST) {
location = new Point(location.row, location.col + player.getSpeed());
rect = new CrateRectangle(location.col - 25, location.row - 25);
for (int i = 0; i < players.size(); i++) {
PlayerTank p = players.get(i);
if (p.getRectangle().intersects(rect)) {
location = new Point(location.row, location.col
- player.getSpeed());
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
for (int i = 0; i < enemies.size(); i++) {
EnemyTank p = enemies.get(i);
if (p.getRectangle().intersects(rect)) {
location = new Point(location.row, location.col
- player.getSpeed());
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
for (int i = 0; i < obs.size(); i++) {
Obstacle o = obs.get(i);
if (o instanceof ImmovableBlock) {
if (((ImmovableBlock) o).getRectangle().intersects(rect)) {
location = new Point(location.row, location.col
- player.getSpeed());
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
if (o instanceof TNT) {
if (((TNT) o).getRectangle().intersects(rect)) {
location = new Point(location.row, location.col
- player.getSpeed());
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
if (o instanceof SpikePit) {
if (((SpikePit) o).getRectangle().intersects(rect)) {
this.recieveDamage(1);
}
}
if (o instanceof Crate) {
if (o != this) {
if (((Crate) o).getRectangle().intersects(rect)) {
location = new Point(location.row, location.col
- player.getSpeed());
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
}
if (o instanceof FireRing) {
if (((FireRing) o).getRectangle().intersects(rect)) {
this.recieveDamage(1);
break;
}
}
}
if (location.col > 955) {
location = new Point(location.row, location.col
- player.getSpeed());
rect = new CrateRectangle(location.col - 25, location.row - 25);
return false;
}
notifyObservers("moveCrate");
setChanged();
}
if (d == Direction.WEST) {
location = new Point(location.row, location.col - player.getSpeed());
rect = new CrateRectangle(location.col - 25, location.row - 25);
for (int i = 0; i < players.size(); i++) {
PlayerTank p = players.get(i);
if (p.getRectangle().intersects(rect)) {
location = new Point(location.row, location.col
+ player.getSpeed());
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
for (int i = 0; i < enemies.size(); i++) {
EnemyTank p = enemies.get(i);
if (p.getRectangle().intersects(rect)) {
location = new Point(location.row, location.col
+ player.getSpeed());
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
for (int i = 0; i < obs.size(); i++) {
Obstacle o = obs.get(i);
if (o instanceof ImmovableBlock) {
if (((ImmovableBlock) o).getRectangle().intersects(rect)) {
location = new Point(location.row, location.col
+ player.getSpeed());
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
if (o instanceof TNT) {
if (((TNT) o).getRectangle().intersects(rect)) {
location = new Point(location.row, location.col
+ player.getSpeed());
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
if (o instanceof Crate) {
if (o != this) {
if (((Crate) o).getRectangle().intersects(rect)) {
location = new Point(location.row, location.col
+ player.getSpeed());
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
}
if (o instanceof SpikePit) {
if (((SpikePit) o).getRectangle().intersects(rect)) {
this.recieveDamage(1);
}
}
if (o instanceof FireRing) {
if (((FireRing) o).getRectangle().intersects(rect)) {
this.recieveDamage(1);
break;
}
}
}
if (location.col < 30) {
location = new Point(location.row, location.col
+ player.getSpeed());
rect = new CrateRectangle(location.col - 25, location.row - 25);
return false;
}
notifyObservers("moveCrate");
setChanged();
}
if (d == Direction.NORTH) {
location = new Point(location.row - player.getSpeed(), location.col);
rect = new CrateRectangle(location.col - 25, location.row - 25);
for (int i = 0; i < players.size(); i++) {
PlayerTank p = players.get(i);
if (p.getRectangle().intersects(rect)) {
location = new Point(location.row + player.getSpeed(),
location.col);
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
for (int i = 0; i < enemies.size(); i++) {
EnemyTank p = enemies.get(i);
if (p.getRectangle().intersects(rect)) {
location = new Point(location.row + player.getSpeed(),
location.col);
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
for (int i = 0; i < obs.size(); i++) {
Obstacle o = obs.get(i);
if (o instanceof ImmovableBlock) {
if (((ImmovableBlock) o).getRectangle().intersects(rect)) {
location = new Point(location.row + player.getSpeed(),
location.col);
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
if (o instanceof TNT) {
if (((TNT) o).getRectangle().intersects(rect)) {
location = new Point(location.row + player.getSpeed(),
location.col);
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
if (o instanceof Crate) {
if (o != this) {
if (((Crate) o).getRectangle().intersects(rect)) {
location = new Point(location.row
+ player.getSpeed(), location.col);
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
}
if (o instanceof SpikePit) {
if (((SpikePit) o).getRectangle().intersects(rect)) {
this.recieveDamage(1);
}
}
if (o instanceof FireRing) {
if (((FireRing) o).getRectangle().intersects(rect)) {
this.recieveDamage(1);
break;
}
}
}
if (location.row < 30) {
location = new Point(location.row + player.getSpeed(),
location.col);
rect = new CrateRectangle(location.col - 25, location.row - 25);
return false;
}
notifyObservers("moveCrate");
setChanged();
}
if (d == Direction.SOUTH) {
location = new Point(location.row + player.getSpeed(), location.col);
rect = new CrateRectangle(location.col - 25, location.row - 25);
for (int i = 0; i < players.size(); i++) {
PlayerTank p = players.get(i);
if (p.getRectangle().intersects(rect)) {
location = new Point(location.row - player.getSpeed(),
location.col);
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
for (int i = 0; i < enemies.size(); i++) {
EnemyTank p = enemies.get(i);
if (p.getRectangle().intersects(rect)) {
location = new Point(location.row - player.getSpeed(),
location.col);
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
for (int i = 0; i < obs.size(); i++) {
Obstacle o = obs.get(i);
if (o instanceof ImmovableBlock) {
if (((ImmovableBlock) o).getRectangle().intersects(rect)) {
location = new Point(location.row - player.getSpeed(),
location.col);
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
if (o instanceof TNT) {
if (((TNT) o).getRectangle().intersects(rect)) {
location = new Point(location.row - player.getSpeed(),
location.col);
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
if (o instanceof Crate) {
if (o != this) {
if (((Crate) o).getRectangle().intersects(rect)) {
location = new Point(location.row
- player.getSpeed(), location.col);
rect = new CrateRectangle(location.col - 25,
location.row - 25);
return false;
}
}
}
if (o instanceof SpikePit) {
if (((SpikePit) o).getRectangle().intersects(rect)) {
this.recieveDamage(1);
notifyObservers(new Point(location.row - 12,
location.col - 12));
setChanged();
}
}
if (o instanceof FireRing) {
if (((FireRing) o).getRectangle().intersects(rect)) {
this.recieveDamage(1);
break;
}
}
}
if (location.row > 665) {
location = new Point(location.row - player.getSpeed(),
location.col);
rect = new CrateRectangle(location.col - 25, location.row - 25);
return false;
}
notifyObservers("moveCrate");
setChanged();
}
return true;
}
/**
* This method returns the current location of the crate
*
* @return the location of the crate
*/
public Point getLocation() {
return location;
}
/**
* This method returns the rectangle object that will represent the
* collisions for the crate.
*
* @return the rectangle object that will represent the collisions for the
* crate
*/
public CrateRectangle getRectangle() {
return rect;
}
}