gamescreen.java

J2ME飞机设计游戏,希望对学习J2ME的程序员有所帮助

	protected void hideNotify() {
		StopSound();

		isShow = false;
	}
	
	protected void showNotify() {
		playSound(GameConstant.MUSIC_GAME_STATE);

		isShow = true;
	}

	public void run() {
		
		while (isRun) {
			while (isShow) {
				long st = System.currentTimeMillis();
				main();
				repaint();
				serviceRepaints();
				// System.gc();
				// System.out.println("free memory =
				// "+Runtime.getRuntime().freeMemory());
				int et = (int) (System.currentTimeMillis() - st);
				try {
					if (et < 80) {
						Thread.sleep(80 - et);
					}
				} catch (InterruptedException e) {
					e.printStackTrace();
				}

			}
			if (isExit) {
				System.out.println("is hear!!!!!!");
				isRun = false;
				Main.planeRun.exitApp();
			}
		}
	}

	public void reset() {
		wheelFrame = 0;
		frameCount = 0;
		loadCount = 0;
	}

//	public void setMax() {
//
//	}

	public void showProgress(Graphics graphics) {
		int loadingFrontPosX = (GameConstant.iSCREEN_WIDTH - imageLoading.getWidth()) >> 1;
		int loadingPosY = (GameConstant.iSCREEN_HEIGHT - imageLoading.getHeight()) >> 1;
		int loadingBackPosX = loadingFrontPosX + imageLoading.getWidth();
		int loadWidth = imageLoad.getWidth() >> 2;
		int loadHeight = imageLoad.getHeight();

		Tool.fillScreen(graphics,0);
		graphics.drawImage(imageLoading, loadingFrontPosX, loadingPosY,
				GameConstant.TOPLEFT);
		
		// 显示进度亮框的个数
		for (int i = 0; i <= frameCount; i++) {
			graphics.setColor(255, 84, 118);
			graphics.fillRect(loadingFrontPosX + 17 + i * 15, loadingPosY + 19,
					11, 5);
		}

		//画左边的加载轮子
		graphics.setClip(loadingFrontPosX, loadingPosY, loadWidth, loadHeight);
		graphics.drawImage(imageLoad, loadingFrontPosX - loadWidth
				* (wheelFrame % 2), loadingPosY, GameConstant.TOPLEFT);

		//画右边的加载轮子
		graphics.setClip(loadingBackPosX - loadWidth, loadingPosY, loadWidth,
				loadHeight);
		graphics.drawImage(imageLoad, loadingBackPosX - loadWidth - loadWidth
				* (wheelFrame % 2 + 2), loadingPosY, GameConstant.TOPLEFT);
	}

	//更新加载参数
	public  void updateProgress() {
		if(loadCount == 100){
			this.reset();
		}
		
		wheelFrame++;
		loadCount += 5;

		if (loadCount % 15 == 0) {
			frameCount++;
		}
	}

	//获得加载记数
	public int getLoadCount() {
		return loadCount;
	}
	
	//获得选择飞机的类型
	public byte getPlaneType() {
		return planeType;
	}

	private void whichEng(byte engNum){
		switch(engNum){
		case 0:
			strPlayId.append('A');
			break;
		case 1:
			strPlayId.append('B');
			break;
		case 2:
			strPlayId.append('C');
			break;
		case 3:
			strPlayId.append('D');
			break;
		case 4:
			strPlayId.append('E');
			break;
		case 5:
			strPlayId.append('F');
			break;
		case 6:
			strPlayId.append('G');
			break;
		case 7:
			strPlayId.append('H');
			break;
		case 8:
			strPlayId.append('I');
			break;
		case 9:
			strPlayId.append('J');
			break;
		case 10:
			strPlayId.append('K');
			break;
		case 11:
			strPlayId.append('L');
			break;
		case 12:
			strPlayId.append('M');
			break;
		case 13:
			strPlayId.append('N');
			break;
		case 14:
			strPlayId.append('O');
			break;
		case 15:
			strPlayId.append('P');
			break;
		case 16:
			strPlayId.append('Q');
			break;
		case 17:
			strPlayId.append('R');
			break;
		case 18:
			strPlayId.append('S');
			break;
		case 19:
			strPlayId.append('T');
			break;
		case 20:
			strPlayId.append('U');
			break;
		case 21:
			strPlayId.append('V');
			break;
		case 22:
			strPlayId.append('W');
			break;
		case 23:
			strPlayId.append('X');
			break;
		case 24:
			strPlayId.append('Y');
			break;
		case 25:
			strPlayId.append('Z');
			break;
		}
	}
	
	private void engToNum(String[] palyId) {
		egNums = new byte[palyId.length][5];

		for (int i = 0; i < palyId.length; i++) {
			for (int j = 0; j < palyId[i].length(); j++) {
				switch (palyId[i].charAt(j)) {
				case 'A':
					egNums[i][j] = 0;
					break;
				case 'B':
					egNums[i][j] = 1;
					break;
				case 'C':
					egNums[i][j] = 2;
					break;
				case 'D':
					egNums[i][j] = 3;
					break;
				case 'E':
					egNums[i][j] = 4;
					break;
				case 'F':
					egNums[i][j] = 5;
					break;
				case 'G':
					egNums[i][j] = 6;
					break;
				case 'H':
					egNums[i][j] = 7;
					break;
				case 'I':
					egNums[i][j] = 8;
					break;
				case 'J':
					egNums[i][j] = 9;
					break;
				case 'K':
					egNums[i][j] = 10;
					break;
				case 'L':
					egNums[i][j] = 11;
					break;
				case 'M':
					egNums[i][j] = 12;
					break;
				case 'N':
					egNums[i][j] = 13;
					break;
				case 'O':
					egNums[i][j] = 14;
					break;
				case 'P':
					egNums[i][j] = 15;
					break;
				case 'Q':
					egNums[i][j] = 16;
					break;
				case 'R':
					egNums[i][j] = 17;
					break;
				case 'S':
					egNums[i][j] = 18;
					break;
				case 'T':
					egNums[i][j] = 19;
					break;
				case 'U':
					egNums[i][j] = 20;
					break;
				case 'V':
					egNums[i][j] = 21;
					break;
				case 'W':
					egNums[i][j] = 22;
					break;
				case 'X':
					egNums[i][j] = 23;
					break;
				case 'Y':
					egNums[i][j] = 24;
					break;
				case 'Z':
					egNums[i][j] = 25;
					break;
				}
			}
		}
	}
	
	public void playSound(int currentSound) {
		if (isPlaySound) {
			switch (currentSound) {
			case GameConstant.MUSIC_GAME_TITLE:
				PlaySound("/music/main.mid", true);
				break;
			case GameConstant.MUSIC_GAME_MENU:
				PlaySound("/music/weapon.mid", true);
				break;
			case GameConstant.MUSIC_GAME_RUN:
				PlaySound("/music/soundGame.mid", true);
				break;
			case GameConstant.MUSIC_GAME_BOSS:
				PlaySound("/music/soundBoss.mid", true);
				break;
			}
		}
	}

	private void PlaySound(String soundPath, boolean isLoop) {
		try {
			InputStream inputStream = this.getClass().getResourceAsStream(
					soundPath);
			player = Manager.createPlayer(inputStream, "audio/midi");

			if (isLoop) {
				player.setLoopCount(-1);
			} else {
				player.setLoopCount(1);
			}
			player.realize();
			player.prefetch();
			player.start();
			inputStream.close();
		} catch (Exception e) {
			System.out.println("music!!!!!!!!");
			e.printStackTrace();
		}
	}

	public void StopSound() {
		try {
			if (player != null) {
				player.stop();
				player.close();
				player = null;
			}
		} catch (Exception e) {
			System.out.println("stopSound!!!!!!!");
			e.printStackTrace();
		}
	}

	/* 线程参数 */
	private boolean isRun = true;
	private boolean isShow = true;
	private boolean isExit = false;

	// GameControl
	public static int gameState;
	private static int stateCount;

	// 按键的状态
	private static int key;
	private static int pressedKey;
	private static int releasedKey;

	// 是否需要声音
	private boolean isPlaySound = true;
	private Player player;

	// 菜单参数
	private GameMenu gameMenu = GameMenu.getInstance();
	private int menuShowTimes = 0;
	private int menu2ShowTimes = 0;
	private int lightChangeTimes = 0;
	private int selectCount;
	private byte setCount = 0;
	private int maxSelectNum = 4;
	private byte helpCount = 0; //帮助记数
	//private byte helpRows = 0;  //帮助文字的行数
	private byte gameMenuCount = 0; //子菜单记数 

	// 选择飞机参数
	private byte planeType = 1;

	// 选择武器参数
	private byte[] weaponType = new byte[4];	
	
	// 进度条参数
	private Image imageLoad;
	private Image imageLoading;
	private int wheelFrame; // 轮子的桢数
	private int frameCount; // 框子个数
	private int loadCount; // 进度记数

	// 存储参数
	private byte [] egNum = {0,0,0,0,0}; //英文数字
	private byte [][] egNums;
	private byte egNumIdx = 0;    //第几个英文字母的下标
	private StringBuffer strPlayId = new StringBuffer();
	private RmsMobile rmsMobile = RmsMobile.getInstance();
	
	// 世界类
	private World world;

	//自己的实例
	private static GameScreen gameScreen;
	private BattlePlaneActor planeActor;
	
	//private int dieCount;

	//private Image offScreenBuffer; //缓冲
	
	private int fps = 0;
	private int cyclesThisSecond = 0;
	private long lastFPSTimes = 0;
}