android游戏开发自学笔记4 Activity相关
第一个游戏Mr.Nom 的最终实现：
Assets.java
package com.gamestudy.mrnom;
import com.gamestudy.mrnom.framework.Pixmap;
import com.gamestudy.mrnom.framework.Sound;
public class Assets {
public static Pixmap background;
public static Pixmap logo;
public static Pixmap mainMenu;
public static Pixmap buttons;
public static Pixmap help1;
public static Pixmap help2;
public static Pixmap help3;
public static Pixmap numbers;
public static Pixmap ready;
public static Pixmap pause;
public static Pixmap gameOver;
public static Pixmap headUp;
public static Pixmap headLeft;
public static Pixmap headDown;
public static Pixmap headRight;
public static Pixmap tail;
public static Pixmap stain1;
public static Pixmap stain2;
public static Pixmap stain3;
public static Sound click;
public static Sound eat;
public static Sound bitten;
}
Settings.java
package com.gamestudy.mrnom;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import com.gamestudy.mrnom.framework.FileIO;
public class Settings {
public static boolean soundEnabled = true;
public static int[] highscores = new int[] { 100, 80, 50, 30, 10 };
public static void load(FileIO files) {
BufferedReader in = null;
try {
in = new BufferedReader(new InputStreamReader(
files.readFile(".mrnom")));
soundEnabled = Boolean.parseBoolean(in.readLine());
for (int i = 0; i < 5; i++) {
highscores[i] = Integer.parseInt(in.readLine());
}
} catch (IOException e) {
// :( It's ok we have defaults
} catch (NumberFormatException e) {
// :/ It's ok, defaults save our day
} finally {
try {
if (in != null)
in.close();
} catch (IOException e) {
}
}
}
public static void save(FileIO files) {
BufferedWriter out = null;
try {
out = new BufferedWriter(new OutputStreamWriter(files.writeFile(".mrnom")));
out.write(Boolean.toString(soundEnabled));
for (int i = 0; i < 5; i++) {
out.write(Integer.toString(highscores[i]));
}
} catch (IOException e) {
} finally {
try {
if (out != null)
out.close();
} catch (IOException e) {
}
}// end of finally
}
public static void addScore(int score) {
for (int i = 0; i < 5; i++) {
if (highscores[i] < score) {
for (int j = 4; j > i; j--)
highscores[j] = highscores[j - 1];
highscores[i] = score;
break;
}
}
}
}
LoadingScreen.java
package com.gamestudy.mrnom;
import com.gamestudy.mrnom.framework.Game;
import com.gamestudy.mrnom.framework.Graphics;
import com.gamestudy.mrnom.framework.Graphics.PixmapFormat;
import com.gamestudy.mrnom.framework.Screen;
public class LoadingScreen extends Screen {
public LoadingScreen(Game game) {
super(game);
}
@Override
public void update(float deltaTime) {
Graphics g = game.getGraphics();
Assets.background = g.newPixmap("background.png", PixmapFormat.RGB565);
Assets.logo = g.newPixmap("logo.png", PixmapFormat.ARGB4444);
Assets.mainMenu = g.newPixmap("mainmenu.png", PixmapFormat.ARGB4444);
Assets.buttons = g.newPixmap("buttons.png", PixmapFormat.ARGB4444);
Assets.help1 = g.newPixmap("help1.png", PixmapFormat.ARGB4444);
Assets.help2 = g.newPixmap("help2.png", PixmapFormat.ARGB4444);
Assets.help3 = g.newPixmap("help3.png", PixmapFormat.ARGB4444);
Assets.numbers = g.newPixmap("numbers.png", PixmapFormat.ARGB4444);
Assets.ready = g.newPixmap("ready.png", PixmapFormat.ARGB4444);
Assets.pause = g.newPixmap("pausemenu.png", PixmapFormat.ARGB4444);
Assets.gameOver = g.newPixmap("gameover.png", PixmapFormat.ARGB4444);
Assets.headUp = g.newPixmap("headup.png", PixmapFormat.ARGB4444);
Assets.headLeft = g.newPixmap("headleft.png", PixmapFormat.ARGB4444);
Assets.headDown = g.newPixmap("headdown.png", PixmapFormat.ARGB4444);
Assets.headRight = g.newPixmap("headright.png", PixmapFormat.ARGB4444);
Assets.tail = g.newPixmap("tail.png", PixmapFormat.ARGB4444);
Assets.stain1 = g.newPixmap("stain1.png", PixmapFormat.ARGB4444);
Assets.stain2 = g.newPixmap("stain2.png", PixmapFormat.ARGB4444);
Assets.stain3 = g.newPixmap("stain3.png", PixmapFormat.ARGB4444);
Assets.click = game.getAudio().newSound("click.ogg");
Assets.eat = game.getAudio().newSound("eat.ogg");
Assets.bitten = game.getAudio().newSound("bitten.ogg");
Settings.load(game.getFileIO());
game.setScreen(new MainMenuScreen(game));
}
@Override
public void present(float deltaTime) {
}
@Override
public void pause() {
}
@Override
public void resume() {
}
@Override
public void dispose() {
}
}
package com.gamestudy.mrnom;
import java.util.List;
import com.gamestudy.mrnom.framework.Game;
import com.gamestudy.mrnom.framework.Graphics;
import com.gamestudy.mrnom.framework.Input.TouchEvent;
import com.gamestudy.mrnom.framework.Screen;
public class MainMenuScreen extends Screen {
public MainMenuScreen(Game game) {
super(game);
}
@Override
public void update(float deltaTime) {
Graphics g = game.getGraphics();
List<TouchEvent> touchEvents = game.getInput().getTouchEvents();
game.getInput().getKeyEvents();
int len = touchEvents.size();
for(int i = 0; i < len; i++) {
TouchEvent event = touchEvents.get(i);
if(event.type == TouchEvent.TOUCH_UP) {
if(inBounds(event, 0, g.getHeight() - 64, 64, 64)) {
Settings.soundEnabled = !Settings.soundEnabled;
if(Settings.soundEnabled)
Assets.click.play(1);
}
if(inBounds(event, 64, 220, 192, 42) ) {
game.setScreen(new GameScreen(game));
if(Settings.soundEnabled)
Assets.click.play(1);
return;
}
if(inBounds(event, 64, 220 + 42, 192, 42) ) {
game.setScreen(new HighscoreScreen(game));
if(Settings.soundEnabled)
Assets.click.play(1);
return;
}
if(inBounds(event, 64, 220 + 84, 192, 42) ) {
game.setScreen(new HelpScreen(game));
if(Settings.soundEnabled)
Assets.click.play(1);
return;
}
}
}
}
private boolean inBounds(TouchEvent event, int x, int y, int width, int height) {
if(event.x > x && event.x < x + width - 1 &&
event.y > y && event.y < y + height - 1)
return true;
else
return false;
}
@Override
public void present(float deltaTime) {
Graphics g = game.getGraphics();
g.drawPixmap(Assets.background, 0, 0);
g.drawPixmap(Assets.logo, 32, 20);
g.drawPixmap(Assets.mainMenu, 64, 220);
if(Settings.soundEnabled)
g.drawPixmap(Assets.buttons, 0, 416, 0, 0, 64, 64);
else
g.drawPixmap(Assets.buttons, 0, 416, 64, 0, 64, 64);
}
@Override
public void pause() {
Settings.save(game.getFileIO());
}
@Override
public void resume() {
}
@Override
public void dispose() {
}
}
package com.gamestudy.mrnom;
import java.util.List;
import com.gamestudy.mrnom.framework.Game;
import com.gamestudy.mrnom.framework.Graphics;
import com.gamestudy.mrnom.framework.Input.TouchEvent;
import com.gamestudy.mrnom.framework.Screen;
public class HelpScreen extends Screen {
public HelpScreen(Game game) {
super(game);
}
@Override
public void update(float deltaTime) {
List<TouchEvent> touchEvents = game.getInput().getTouchEvents();
game.getInput().getKeyEvents();
int len = touchEvents.size();
for(int i = 0; i < len; i++) {
TouchEvent event = touchEvents.get(i);
if(event.type == TouchEvent.TOUCH_UP) {
if(event.x > 256 && event.y > 416 ) {
game.setScreen(new HelpScreen2(game));
if(Settings.soundEnabled)
Assets.click.play(1);
return;
}
}
}
}
@Override
public void present(float deltaTime) {
Graphics g = game.getGraphics();
g.drawPixmap(Assets.background, 0, 0);
g.drawPixmap(Assets.help1, 64, 100);
g.drawPixmap(Assets.buttons, 256, 416, 0, 64, 64, 64);
}
@Override
public void pause() {
}
@Override
public void resume() {
}
@Override
public void dispose() {
}
}
HelpScreen2.java
package com.gamestudy.mrnom;
import java.util.List;
import com.gamestudy.mrnom.framework.Game;
import com.gamestudy.mrnom.framework.Graphics;
import com.gamestudy.mrnom.framework.Input.TouchEvent;
import com.gamestudy.mrnom.framework.Screen;
public class HelpScreen2 extends Screen {
public HelpScreen2(Game game) {
super(game);
// TODO Auto-generated constructor stub
}
@Override
public void update(float deltaTime) {
List<TouchEvent> touchEvents = game.getInput().getTouchEvents();
game.getInput().getKeyEvents();
Graphics g = game.getGraphics();
int len = touchEvents.size();
for(int i = 0; i < len; i++) {
TouchEvent event = touchEvents.get(i);
if(event.type == TouchEvent.TOUCH_UP) {
if(event.x > g.getWidth() - 64 && event.y > g.getHeight() - 64 ) {
game.setScreen(new HelpScreen3(game));
if(Settings.soundEnabled)
Assets.click.play(1);
return;
}
}
}
}
@Override
public void present(float deltaTime) {
Graphics g = game.getGraphics();
g.drawPixmap(Assets.background, 0, 0);
g.drawPixmap(Assets.help2, 64, 100);
g.drawPixmap(Assets.buttons, 256, 416, 0, 64, 64, 64);
}
@Override
public void pause() {
// TODO Auto-generated method stub
}
@Override
public void resume() {
// TODO Auto-generated method stub
}
@Override
public void dispose() {
// TODO Auto-generated method stub
}
}
HelpScreen3.java
package com.gamestudy.mrnom;
import java.util.List;
import com.gamestudy.mrnom.framework.Game;
import com.gamestudy.mrnom.framework.Graphics;
import com.gamestudy.mrnom.framework.Input.TouchEvent;
import com.gamestudy.mrnom.framework.Screen;
public class HelpScreen3 extends Screen {
public HelpScreen3(Game game) {
super(game);
}
@Override
public void update(float deltaTime) {
List<TouchEvent> touchEvents = game.getInput().getTouchEvents();
game.getInput().getKeyEvents();
int len = touchEvents.size();
for(int i = 0; i < len; i++) {
TouchEvent event = touchEvents.get(i);
if(event.type == TouchEvent.TOUCH_UP) {
if(event.x > 256 && event.y > 416 ) {
game.setScreen(new MainMenuScreen(game));
if(Settings.soundEnabled)
Assets.click.play(1);
return;
}
}
}
}
@Override
public void present(float deltaTime) {
Graphics g = game.getGraphics();
g.drawPixmap(Assets.background, 0, 0);
g.drawPixmap(Assets.help3, 64, 100);
g.drawPixmap(Assets.buttons, 256, 416, 0, 128, 64, 64);
}
@Override
public void pause() {
// TODO Auto-generated method stub
}
@Override
public void resume() {
// TODO Auto-generated method stub
}
@Override
public void dispose() {
// TODO Auto-generated method stub
}
}一帖代码，文章铁定长，再起一篇继续吧。无奈。