package com.bjsxt.tank;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
public class Tank {
public static final int XSPEED = 5;
public static final int YSPEED = 5;
public static final int WIDTH = 30;
public static final int HEIGHT = 30;
private boolean live = true;
private BloodBar bb = new BloodBar();
private int life = 100;
TankClient tc;
private boolean good;
private int x, y;
private int oldX, oldY;
private static Random r = new Random();
private boolean bL=false, bU=false, bR=false, bD = false;
private Direction dir = Direction.STOP;
private Direction ptDir = Direction.D;
private int step = r.nextInt(12) + 3;
public Tank(int x, int y, boolean good) {
this.x = x;
this.y = y;
this.oldX = x;
this.oldY = y;
this.good = good;
}
public Tank(int x, int y, boolean good, Direction dir, TankClient tc) {
this(x, y, good);
this.dir = dir;
this.tc = tc;
}
public void draw(Graphics g) {
if(!live) {
if(!good) {
tc.tanks.remove(this);
}
return;
}
Color c = g.getColor();
if(good) g.setColor(Color.RED);
else g.setColor(Color.BLUE);
g.fillOval(x, y, WIDTH, HEIGHT);
g.setColor(c);
if(good) bb.draw(g);
switch(ptDir) {
case L:
g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x, y + Tank.HEIGHT/2);
break;
case LU:
g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x, y);
break;
case U:
g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x + Tank.WIDTH/2, y);
break;
case RU:
g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x + Tank.WIDTH, y);
break;
case R:
g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x + Tank.WIDTH, y + Tank.HEIGHT/2);
break;
case RD:
g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x + Tank.WIDTH, y + Tank.HEIGHT);
break;
case D:
g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x + Tank.WIDTH/2, y + Tank.HEIGHT);
break;
case LD:
g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x, y + Tank.HEIGHT);
break;
}
move();
}
void move() {
this.oldX = x;
this.oldY = y;
switch(dir) {
case L:
x -= XSPEED;
break;
case LU:
x -= XSPEED;
y -= YSPEED;
break;
case U:
y -= YSPEED;
break;
case RU:
x += XSPEED;
y -= YSPEED;
break;
case R:
x += XSPEED;
break;
case RD:
x += XSPEED;
y += YSPEED;
break;
case D:
y += YSPEED;
break;
case LD:
x -= XSPEED;
y += YSPEED;
break;
case STOP:
break;
}
if(this.dir != Direction.STOP) {
this.ptDir = this.dir;
}
if(x < 0) x = 0;
if(y < 30) y = 30;
if(x + Tank.WIDTH > TankClient.GAME_WIDTH) x = TankClient.GAME_WIDTH - Tank.WIDTH;
if(y + Tank.HEIGHT > TankClient.GAME_HEIGHT) y = TankClient.GAME_HEIGHT - Tank.HEIGHT;
if(!good) {
Direction[] dirs = Direction.values();
if(step == 0) {
step = r.nextInt(12) + 3;
int rn = r.nextInt(dirs.length);
dir = dirs[rn];
}
step --;
if(r.nextInt(40) > 38) this.fire();
}
}
private void stay() {
x = oldX;
y = oldY;
}
public void keyPressed(KeyEvent e) {
int key = e.getKeyCode();
switch(key) {
case KeyEvent.VK_F2 :
if(!this.live) {
this.live = true;
this.life = 100;
}
break;
case KeyEvent.VK_LEFT :
bL = true;
break;
case KeyEvent.VK_UP :
bU = true;
break;
case KeyEvent.VK_RIGHT :
bR = true;
break;
case KeyEvent.VK_DOWN :
bD = true;
break;
}
locateDirection();
}
void locateDirection() {
if(bL && !bU && !bR && !bD) dir = Direction.L;
else if(bL && bU && !bR && !bD) dir = Direction.LU;
else if(!bL && bU && !bR && !bD) dir = Direction.U;
else if(!bL && bU && bR && !bD) dir = Direction.RU;
else if(!bL && !bU && bR && !bD) dir = Direction.R;
else if(!bL && !bU && bR && bD) dir = Direction.RD;
else if(!bL && !bU && !bR && bD) dir = Direction.D;
else if(bL && !bU && !bR && bD) dir = Direction.LD;
else if(!bL && !bU && !bR && !bD) dir = Direction.STOP;
}
public void keyReleased(KeyEvent e) {
int key = e.getKeyCode();
switch(key) {
case KeyEvent.VK_CONTROL:
fire();
break;
case KeyEvent.VK_LEFT :
bL = false;
break;
case KeyEvent.VK_UP :
bU = false;
break;
case KeyEvent.VK_RIGHT :
bR = false;
break;
case KeyEvent.VK_DOWN :
bD = false;
break;
case KeyEvent.VK_A :
superFire();
break;
}
locateDirection();
}
public Missile fire() {
if(!live) return null;
int x = this.x + Tank.WIDTH/2 - Missile.WIDTH/2;
int y = this.y + Tank.HEIGHT/2 - Missile.HEIGHT/2;
Missile m = new Missile(x, y, good, ptDir, this.tc);
tc.missiles.add(m);
return m;
}
public Missile fire(Direction dir) {
if(!live) return null;
int x = this.x + Tank.WIDTH/2 - Missile.WIDTH/2;
int y = this.y + Tank.HEIGHT/2 - Missile.HEIGHT/2;
Missile m = new Missile(x, y, good, dir, this.tc);
tc.missiles.add(m);
return m;
}
public Rectangle getRect() {
return new Rectangle(x, y, WIDTH, HEIGHT);
}
public boolean isLive() {
return live;
}
public void setLive(boolean live) {
this.live = live;
}
public boolean isGood() {
return good;
}
/**
* 撞墙
* @param w 被撞的墙
* @return 撞上了返回true，否则false
*/
public boolean collidesWithWall(Wall w) {
if(this.live && this.getRect().intersects(w.getRect())) {
this.stay();
return true;
}
return false;
}
public boolean collidesWithTanks(java.util.List tanks) {
for(int i=0; i Tank t = tanks.get(i);
if(this != t) {
if(this.live && t.isLive() && this.getRect().intersects(t.getRect())) {
this.stay();
t.stay();
return true;
}
}
}
return false;
}
private void superFire() {
Direction[] dirs = Direction.values();
for(int i=0; i fire(dirs[i]);
}
}
public int getLife() {
return life;
}
public void setLife(int life) {
this.life = life;
}
private class BloodBar {
public void draw(Graphics g) {
Color c = g.getColor();
g.setColor(Color.RED);
g.drawRect(x, y-10, WIDTH, 10);
int w = WIDTH * life/100 ;
g.fillRect(x, y-10, w, 10);
g.setColor(c);
}
}
public boolean eat(Blood b) {
if(this.live && b.isLive() && this.getRect().intersects(b.getRect())) {
this.life = 100;
b.setLive(false);
return true;
}
return false;
}
}
