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package org.birdy.tank.compent;import java.awt.Graphics;
import java.awt.Image;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.KeyEvent;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.List;import javax.imageio.ImageIO;import org.birdy.tank.main.GameFrame;
import org.birdy.tank.util.Constants;
import org.birdy.tank.util.ImageLoader;/*
 * 坦克实体
 */
public class Tank extends BasicObject implements TankListener{

/*
 * 速度属性
 */
private int speed = 5;

/*
 * 速度基础系数
 */
private int speedIatio = 100;


/*
 * 运动方向属性
 */
private Direction direction = Direction.stop;

/*
 * 指向方向
 */
private Direction pointDirection = Direction.up;


/*
 * 阵营属性
 * user & enemy & friends
 */
private String group = Constants.GROUP_USER;

/*
 * 攻击速度
 * 例如(双手斧:3.5)即3.5秒攻击一次
 */
private long rate = (long)(1*1000);

/*
 * 状态
 * 0:默认
 * 1:攻击
 * 2:防御
 */
private int status = 0;


public Tank(int x,int y,int width,int height,Direction direction,int speed,String group){
super(x, y, width, height);
setDirection(direction);
setSpeed(speed);
setGroup(group);

}

public void draw(Graphics g){

Image image = null;

try {
if(getPointDirection().equals(Direction.up)){
image = ImageIO.read(ImageLoader.load("user/tank_up.PNG"));
}else if(getPointDirection().equals(Direction.down)){
image = ImageIO.read(ImageLoader.load("user/tank_down.PNG"));
}else if(getPointDirection().equals(Direction.left)){
image = ImageIO.read(ImageLoader.load("user/tank_left.PNG"));
}else if(getPointDirection().equals(Direction.right)){
image = ImageIO.read(ImageLoader.load("user/tank_right.PNG"));
}

} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
g.drawImage(image,this.x, this.y, this.width, this.height, null);

move();

if(getStatus()==1){
attack();
}


}


public int getSpeed() {
return speed;
}

public void setSpeed(int speed) {
this.speed = speed;
} public Direction getDirection() {
return direction;
} public void setDirection(Direction direction) {
this.direction = direction;
}

public Direction getPointDirection() {
return pointDirection;
} public void setPointDirection(Direction pointDirection) {
this.pointDirection = pointDirection;
} public String getGroup() {
return group;
} public void setGroup(String group) {
this.group = group;
} public long getRate() {
return rate;
} public void setRate(long rate) {
this.rate = rate;
}
public int getStatus() {
return status;
} public void setStatus(int status) {
this.status = status;
} @Override
public void attack() {
// TODO Auto-generated method stub
Missile m = new Missile(x,y,10,10,getPointDirection(),10);
m.setParent(this);
getGameFrame().addNewObject(m);

} @Override
public void defense() {
// TODO Auto-generated method stub

} @Override
public void keyPressed(KeyEvent e) {
// TODO Auto-generated method stub
if(e.getKeyCode()==KeyEvent.VK_UP){
setDirection(Direction.up);
setPointDirection(Direction.up);
}else if(e.getKeyCode()==KeyEvent.VK_DOWN){
setDirection(Direction.down);
setPointDirection(Direction.down);
}else if(e.getKeyCode()==KeyEvent.VK_LEFT){
setDirection(Direction.left);
setPointDirection(Direction.left);
}else if(e.getKeyCode()==KeyEvent.VK_RIGHT){
setDirection(Direction.right);
setPointDirection(Direction.right);
}

if(e.getKeyCode()==KeyEvent.VK_SPACE){
setStatus(1);
}
} @Override
public void keyReleased(KeyEvent e) {
// TODO Auto-generated method stub

if(e.getKeyCode()==KeyEvent.VK_UP){
if(getDirection().equals(Direction.up)){setDirection(Direction.stop);}
}else if(e.getKeyCode()==KeyEvent.VK_DOWN){
if(getDirection().equals(Direction.down)){setDirection(Direction.stop);}
}else if(e.getKeyCode()==KeyEvent.VK_LEFT){
if(getDirection().equals(Direction.left)){setDirection(Direction.stop);}
}else if(e.getKeyCode()==KeyEvent.VK_RIGHT){
if(getDirection().equals(Direction.right)){setDirection(Direction.stop);}
}

if(e.getKeyCode()==KeyEvent.VK_SPACE){
setStatus(0);
}

} @Override
public void move() {

int newX = x;
int newY = y;

/*
 * 边界检测
 */
if(getDirection().equals(Direction.up)){
if((y-getRunDistance())>0){
newY = y-getRunDistance();
}else{
newY = 0;
}
}else if(getDirection().equals(Direction.down)){
if((y + getRunDistance())<(getGameFrame().getHeight()-getHeight())){
newY = y+getRunDistance();
}else{
newY = (int) (getGameFrame().getHeight()-getHeight());
}
}else if(getDirection().equals(Direction.left)){
if((x-getRunDistance())>0){
newX = x - getRunDistance();
}else{
newX = 0;
}
}else if(getDirection().equals(Direction.right)){
if((x + getRunDistance())<(getGameFrame().getWidth()-getWidth())){
newX = x + getRunDistance();
}else{
newX = (int) (getGameFrame().getWidth()-getWidth());
}
}

/*
 * 碰撞检测
 */
boolean b = true;

for(int k=0;k<getGameFrame().getChilds().size();k++){
if(getGameFrame().getChilds().get(k).intersects(new Rectangle(new Point(newX,newY),this.getSize())) && !getGameFrame().getChilds().get(k).equals(this)){
b = false;
}
}

/*
 * 设置坐标
 */
if(b){
setLocation(newX, newY);
}

}


/*
 * 单位时间移动距离
 * 最小移动速率为1像素
 */
public int getRunDistance(){
int runDistance = (getGameFrame().getFRESH_DELAY()*speed*speedIatio)/1000;
if(runDistance<1){
runDistance = 1;
}
return runDistance;
}}