IDC资讯中心
1、flymidlet.java
package fly;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import java.util.*;
/**
* <p>title: </p>
* <p>description: </p>
* <p>copyright: copyright (c) 2004</p>
* <p>company: </p>
* @author not attributable
* @version 1.0
*/
public class flymidlet extends midlet {
navigate ng;
public flymidlet() {
ng=navigate.getinstance(this);
}
protected void startapp() {
system.out.println("startapp");
ng.display.setcurrent(ng.mc);
printinfo();
}
protected void pauseapp() {
system.out.println("pauseapp");
}
protected void destroyapp(boolean parm1) {
system.out.println("destroyapp");
navigate.mc.stop();
mygamecanvas.cleanjob();
navigate.cleanjob();
}
private void printinfo(){
system.out.println("flymidlet printinfo() start:");
system.out.println("flymidlet printinfo() end:");
}
}
2、bullets.java
package fly;
import javax.microedition.lcdui.game.*;
import javax.microedition.lcdui.*;
import java.util.random;
/**
* <p>title: </p>
* <p>description: </p>
* <p>copyright: copyright (c) 2004</p>
* <p>company: </p>
* @author not attributable
* @version 1.0
*/
public class bullets extends gameobject {
private int[][] bullets;
private int bulletstotal;
private random rnd;
public static final int bullet_type_left=0;
public static final int bullet_type_right=1;
public static final int bullet_type_top=2;
public static final int bullet_type_bottom=3;
private int width,height;
public bullets(image img,int picwidth,int picheight,int bulletstotal,int width,int height) {
super(img,picwidth,picheight);
this.bulletstotal=bulletstotal;
bullets=new int[bulletstotal][6];
rnd=new random();
this.width=width;
this.height=height;
}
public void initbullets(){
for (int i = 0; i < bullets.length; i++) {
initbullet(i);
}
}
private void initbullet(int i) {
bullets[i][0] = (rnd.nextint() & 0x7fffffff) % 4; //type
bullets[i][5] = 1; //alive
switch (bullets[i][0]) {
case bullet_type_left:
bullets[i][1] = -5;
bullets[i][2] = (rnd.nextint() & 0x7fffffff) % height;
bullets[i][3] = (rnd.nextint() & 0x7fffffff) % 3 + 1; //vx
bullets[i][4] = (rnd.nextint()) % 3; //vy
break;
case bullet_type_right:
bullets[i][1] = width + 5;
bullets[i][2] = (rnd.nextint() & 0x7fffffff) % height;
bullets[i][3] = ( (rnd.nextint() & 0x7fffffff) % 3 + 1) * -1; //vx
bullets[i][4] = (rnd.nextint()) % 3; //vy
break;
case bullet_type_top:
bullets[i][1] = (rnd.nextint() & 0x7fffffff) % width;
bullets[i][2] = -5;
bullets[i][3] = (rnd.nextint()) % 3; //vx
bullets[i][4] = (rnd.nextint() & 0x7fffffff) % 3 + 1; //vy
break;
case bullet_type_bottom:
bullets[i][1] = (rnd.nextint() & 0x7fffffff) % width;
bullets[i][2] = height + 5;
bullets[i][3] = (rnd.nextint()) % 3; //vx
bullets[i][4] = ( (rnd.nextint() & 0x7fffffff) % 3 + 1) * -1; //vy
break;
}
}
public void updata(int i){
bullets[i][1]+=bullets[i][3];
bullets[i][2]+=bullets[i][4];
if(bullets[i][1]<-5 || bullets[i][1]>width+5){
bullets[i][3]*=-1;
}
if(bullets[i][2]<-5 || bullets[i][2]>height+5){
bullets[i][4]*=-1;
}
}
private void paint(graphics g,int i){
updataspritepos(i);
sprite.paint(g);
}
public void paint(graphics g) {
for (int i = 0; i < bullets.length; i++) {
if(bullets[i][5]==0){
continue;
}
sprite.setposition(bullets[i][1],bullets[i][2]);
sprite.paint(g);
}
}
public void refreshbullets(sprite planesprite, boolean needcollision){
for (int i = 0; i < bullets.length; i++) {
if(bullets[i][5]==0){
continue;
}
if(needcollision){
//system.out.println("needcollision ");
if (iscollision(planesprite, i, 10)) {
//system.out.println("collision ");
navigate.mc.gameover = true;
navigate.mc.explosion.sprite.setposition(bullets[i][1] – 16,
bullets[i][2] – 16);
bullets[i][5] = 0;
continue;
}
}
updata(i);
}
}
private boolean iscollision(sprite sprite,int i,int range){
//updataspritepos(i);
//return sprite.collideswith(this.sprite,true);
boolean result=false;
int planexcenter=sprite.getx()+12;
int planeycenter=sprite.gety()+12;
int bulletxcenter=bullets[i][1]+3;
int bulletycenter=bullets[i][2]+3;
if(math.abs(planexcenter-bulletxcenter) < range){
if (math.abs(planeycenter – bulletycenter )< range) {
result = true;
}
}
return result;
}
private void updataspritepos(int i){
sprite.setposition(bullets[i][1],bullets[i][2]);
}
/* no use now
public void resetdeadbullet(){
for (int i = 0; i < bullets.length; i++) {
if(bullets[i][5]==0){//dead bullet
initbullet(i);
}
}
}
*/
public void killbullets(sprite planesprite,int range){
for (int i = 0; i < bullets.length; i++) {
if(bullets[i][5]!=0){//alive bullets
if(iscollision(planesprite, i, range)){
bullets[i][5]=0;
initbullet(i);
}
}
}
}
}
3、font.java
package fly;
import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.*;
/**
* <p>title: </p>
* <p>description: </p>
* <p>copyright: copyright (c) 2004</p>
* <p>company: </p>
* @author not attributable
* @version 1.0
*/
public class font {
sprite sprite;
int width,height;
int[] charhash;
graphics g;
public font(graphics g,image img, int width, int height, char[] chars) {
this.g=g;
sprite=new sprite(img,width,height);
this.width=width;
this.height=height;
charhash=new int[128];
for (int i = 0; i < charhash.length; i++) {
charhash[i]=-1;
}
character c;
for (int i = 0; i < chars.length; i++) {
c=new character(chars[i]);
charhash[c.hashcode()]=i;
}
}
public void drawchar(char ch, int x, int y){
character c=new character(ch);
int hashcode=c.hashcode();
sprite.setposition(x,y);
if(hashcode>=0){
sprite.setframe(charhash[hashcode]);
sprite.paint(g);
}
}
public void drawstring(string str, int x, int y){
int length=str.length();
for (int i = 0; i < length; i++) {
drawchar(str.charat(i),x+width*i,y);
}
}
}
4、gameobject.java
package fly;
import javax.microedition.lcdui.game.*;
import javax.microedition.lcdui.*;
/**
* <p>title: </p>
* <p>description: </p>
* <p>copyright: copyright (c) 2004</p>
* <p>company: </p>
* @author not attributable
* @version 1.0
*/
public class gameobject {
public sprite sprite;
public boolean alive;
private int lifecount=0;
public int lifetime=0;
public int speed=0;
private int animcount=0;
public gameobject(image img,int width,int height){
sprite=new sprite(img,width,height);
reset();
}
public void move(int dx,int dy){
sprite.move(dx,dy);
}
public void moveto(int x,int y){
sprite.setposition(x,y);
}
public void update(){
if(!alive)
return;
if(++animcount>speed){
animcount=0;
sprite.nextframe();
if(lifetime!=0 && ++lifecount>lifetime)
alive=false;
}
}
public void paint(graphics g){
if(!alive)
return;
sprite.paint(g);
}
public void reset(){
alive=true;
lifecount=0;
animcount=0;
sprite.setframe(0);
}
}
5、imagetools.java
package fly;
import javax.microedition.lcdui.*;
/**
* <p>title: </p>
* <p>description: </p>
* <p>copyright: copyright (c) 2004</p>
* <p>company: </p>
* @author not attributable
* @version 1.0
*/
public class imagetools {
protected imagetools() {
}
public static image getimage(string str){
image img=null;
try {
img = image.createimage(str);
}
catch (exception ex) {
system.out.println(ex);
}
finally{
return img;
}
}
}
6、mygamecanvas.java
package fly;
import javax.microedition.lcdui.game.gamecanvas;
import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.*;
/**
* <p>title: </p>
* <p>description: </p>
* <p>copyright: copyright (c) 2004</p>
* <p>company: </p>
* @author not attributable
* @version 1.0
*/
public class mygamecanvas extends gamecanvas
implements runnable, commandlistener{
private static mygamecanvas instance;
graphics g;
boolean running;
thread t;
command startcmd,exitcmd,restartcmd;
int keystate;
boolean keyevent;
boolean key_up,key_down,key_left,key_right,key_fire;
private boolean allowinput;
public int screenwidth;
public int screenheight;
boolean gameover;
//define your variable here
long gametimeoffset;
long gametime;
int bombnum;
int []bombaward;
int bombawardtop;
gameobject plane;
int planedirection;
tiledlayer background;
bullets bullets;
gameobject explosion;
gameobject bomb;
image bomb_ico;
font fontbig,fontsmall;
//define your variable end
protected mygamecanvas() {
super(true);
g=getgraphics();
running=false;
t=null;
addcommand(startcmd=new command("start",command.ok,1));
addcommand(exitcmd=new command("exit",command.exit,1));
setcommandlistener(this);
screenwidth=getwidth();
screenheight=getheight();
//put your init once code here
image img=imagetools.getimage("/pic/myplaneframes.png");
plane=new gameobject(img,24,24);
planedirection=0;
img=imagetools.getimage("/pic/back_water.png");
int backcolumns=screenwidth/img.getwidth()+1;
int backrows=screenheight/img.getheight()+1;
background=new tiledlayer(backcolumns,backrows,img,img.getwidth(),img.getheight());
int x,y;
for (int i = 0; i < backcolumns*backrows; i++) {
x=i%backcolumns;
y=i/backcolumns;
system.out.println("x="+x+" y="+y);
background.setcell(x,y,1);
}
img=imagetools.getimage("/pic/bullet.png");
bullets=new bullets(img,img.getwidth(),img.getheight(),20,screenwidth,screenheight);
img=imagetools.getimage("/pic/explosion.png");
explosion=new gameobject(img,32,32);
bomb_ico=imagetools.getimage("/pic/bomb_icon.png");
img=imagetools.getimage("/pic/b_number.png");
fontbig=new font(g,img,10,15,new char[]{0,1,2,3,4,5,6,7,8,9});
img=imagetools.getimage("/pic/s_number.png");
fontsmall=new font(g,img,5,7,new char[]{0,1,2,3,4,5,6,7,8,9});
img=imagetools.getimage("/pic/bomb.png");
bomb=new gameobject(img,65,65);
bombaward=new int[]{0,1,1,1,1,1};
bombawardtop=bombaward.length-1;
//put your init once code end
}
//private void initinstance(){ }
synchronized public static mygamecanvas getinstance() {
if (instance == null) {
instance = new mygamecanvas();
system.out.println("new mygamecanvas");
}
return instance;
}
public void run(){
system.out.println("mygamecanvas run start");
long st=0,et=0,diff=0;
int rate=50;//16-17 frame per second
while(running){
st=system.currenttimemillis();
//put your code here
//input();
//gamelogic();
//your code end
gameinput();
gamemain();
et=system.currenttimemillis();
diff=et-st;
if(diff<rate){
//system.out.println("sleep "+(rate-diff));
try {
thread.sleep(rate – diff);
}
catch (interruptedexception ex) {}
}else{
//system.out.println("rush , and the frame using time: "+diff);
}
}
system.out.println("mygamecanvas run end");
}
public void start(){
if(!running){
running=true;
t=new thread(this);
t.start();
}
}
private void gamemain() {
g.setcolor(0,0,0);//clear screen
g.fillrect(0,0,getwidth(),getheight());
background.paint(g);//draw background
//g.setcolor(255,255,255);
//g.drawstring("hello",1,1,g.top|g.left);
if(bomb.alive){
bomb.moveto(plane.sprite.getx()-20,plane.sprite.gety()-20);
bomb.paint(g);
bomb.update();
bullets.killbullets(plane.sprite,32);
}
bullets.paint(g);
plane.paint(g);
bullets.refreshbullets(plane.sprite,!gameover && !bomb.alive);
g.drawimage(bomb_ico,0,screenheight-1,g.bottom|g.left);
fontbig.drawstring(string.valueof(gametime),screenwidth/2-15,10);
fontsmall.drawstring(string.valueof(bombnum),bomb_ico.getwidth(),screenheight-fontsmall.height);
if (gameover) {
explosion.paint(g);
explosion.update();
if(!explosion.alive){
plane.alive=false;
g.setcolor(255,255,255);
g.drawstring(stringtools.timeopinion(gametime),5,22,g.left|g.top);
g.drawstring("fly 0.1 ver by favo yang",2,100,g.left|g.top);
g.drawstring("e-mail : favoyang@yahoo.com",2,115,g.left|g.top);
g.drawstring("simulate from:",2,130,g.left|g.top);
g.drawstring("mr.tony s <hold on 20sec 1.20> ",2,145,g.left|g.top);
g.drawstring("hello tony, just funny.",2,160,g.left|g.top);
}
}else{
gametime=(system.currenttimemillis()-gametimeoffset)/1000;
int awardindex=(int)gametime/20;
if(awardindex>bombawardtop)
awardindex=bombawardtop;
if(bombaward[awardindex]!=0){
bombnum+=bombaward[awardindex];
bombaward[awardindex]=0;
}
if (keyevent) {
if(key_up){
plane.move(0, -3);
plane.sprite.setframe(0);
}
if(key_down){
plane.move(0, 3);
plane.sprite.setframe(0);
}
if(key_left){
plane.move( -3, 0);
plane.sprite.setframe(1);
}
if(key_right){
plane.move(3, 0);
plane.sprite.setframe(2);
}
if(key_fire){
if(!bomb.alive && bombnum>0){//bomb isnt actived and theres enough bomb .
bomb.reset();
bomb.alive=true;
bombnum–;
}
}
}
else {
plane.sprite.setframe(0);
}
}
flushgraphics();
}
private void gameinit() {
gameover=false;
gametime=0;
gametimeoffset=system.currenttimemillis();
allowinput=true;
key_up=key_down=key_left=key_right=key_fire=false;
plane.moveto((screenwidth-plane.sprite.getwidth())/2,
(screenheight-plane.sprite.getheight())/2);
bullets.initbullets();
plane.reset();
explosion.reset();
explosion.lifetime=3;
bomb.reset();
bomb.lifetime=6;
bomb.alive=false;
bombnum=3;
for (int i = 0; i < bombaward.length; i++) {
bombaward[i]=1;
}
bombaward[0]=0;
printinfo();
}
public void stop(){
if(running){
running = false;
}
}
private void printinfo(){
system.out.println("mygamecanvas printinfo() start:");
system.out.println("width : "+ getwidth()+ " height: "+getheight());
java.lang.runtime rt=java.lang.runtime.getruntime() ;
system.out.println("total memory: "+rt.totalmemory());
system.out.println("free memory: "+rt.freememory());
system.out.println("mygamecanvas printinfo() end:");
}
public void commandaction(command c, displayable d) {
string cmdstr=c.getlabel();
if(cmdstr.equals("start")){
gameinit();
start();
removecommand(startcmd);
addcommand(restartcmd=new command("restart",command.ok,1));
}else if(cmdstr.equals("restart")){
stop();
while(t.isalive());
gameinit();
start();
}else if(cmdstr.equals("exit")){
stop();
navigate.midlet.destroyapp(false);
navigate.midlet.notifydestroyed();
}
}
private void gameinput() {
if(allowinput){
keystate=getkeystates();
keyevent=false;
if((keystate & up_pressed)!=0){//up
key_up=true;keyevent=true;
//deal your unstop job code here
planedirection=1;
//system.out.println("up press");
//deal your unstop job code end
}else if((keystate & up_pressed)==0){//release key
if(key_up==true){
key_up=false;
//deal your one press-one job code here
//system.out.println("up release");
//deal your one press-one job code end
}
}
if((keystate & down_pressed)!=0){//down
key_down=true;keyevent=true;
//deal your unstop job code here
planedirection=2;
//system.out.println("down press");
//deal your unstop job code end
}else if((keystate & down_pressed)==0){//release key
if(key_down==true){
key_down=false;
//deal your one press-one job code here
//system.out.println("down release");
//deal your one press-one job code end
}
}
if((keystate & left_pressed)!=0){//left
key_left=true;keyevent=true;
//deal your unstop job code here
planedirection=3;
//system.out.println("left press");
//deal your unstop job code end
}else if((keystate & left_pressed)==0){//release key
if(key_left==true){
key_left=false;
//deal your one press-one job code here
//system.out.println("left release");
//deal your one press-one job code end
}
}
if((keystate & right_pressed)!=0){//right
key_right=true;keyevent=true;
//deal your unstop job code here
planedirection=4;
//system.out.println("right press");
//deal your unstop job code end
}else if((keystate & right_pressed)==0){//release key
if(key_right==true){
key_right=false;
//deal your one press-one job code here
//system.out.println("right release");
//deal your one press-one job code end
}
}
if((keystate & fire_pressed)!=0){//fire
key_fire=true;keyevent=true;
//deal your unstop job code here
planedirection=0;
//system.out.println("fire press");
//deal your unstop job code end
}else if((keystate & fire_pressed)==0){//release key
if(key_fire==true){
key_fire=false;
//deal your one press-one job code here
//system.out.println("fire release");
//deal your one press-one job code end
}
}
if(!keyevent){
//no keyevent here
//system.out.println("no key press");
//no keyevent end
}
}
}
public static void cleanjob(){
instance=null;
}
}
7、navigate.java
package fly;
import javax.microedition.lcdui.*;
/**
* <p>title: </p>
* <p>description: </p>
* <p>copyright: copyright (c) 2004</p>
* <p>company: </p>
* @author not attributable
* @version 1.0
*/
public class navigate {
private static navigate instance;
public static mygamecanvas mc;
public static flymidlet midlet;
public static display display;
protected navigate(flymidlet midlet) {
navigate.midlet=midlet;
navigate.mc=mygamecanvas.getinstance();
navigate.display=display.getdisplay(midlet);
}
synchronized public static navigate getinstance(flymidlet midlet){
if (instance == null) {
instance = new navigate(midlet);
system.out.println("new navigate");
}
return instance;
}
public static void cleanjob(){
instance=null;
}
}
8、stringtools.java
package fly;
/**
* <p>title: </p>
* <p>description: </p>
* <p>copyright: copyright (c) 2004</p>
* <p>company: </p>
* @author not attributable
* @version 1.0
*/
public class stringtools {
protected stringtools() {
}
public static string timeopinion(long gametime){
if(gametime<10){
return "do you play with your foot?";
//return "i cant belive,your are a game master";
}else if(gametime<16){
return "come boy, you can do it!";
}else if(gametime<20){
return "what a pity! try again.";
}else if(gametime<25){
return "very well, you are a real man.";
}else if(gametime<30){
return "i know you have talent of this game.";
}else if(gametime<40){
return "i cant belive, your are a game master.";
}else{
return "oh my god, are you a human?";
}
}
}
9.fly.jad
midlet-1: flymidlet, , fly.flymidlet
midlet-jar-size: 18499
midlet-jar-url: fly.jar
midlet-name: my midlet suite
midlet-vendor: my vendor
midlet-version: 1.0
