📄 miningcanvas.java
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import java.io.IOException;
import java.util.Random;
import java.util.Vector;
import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;
import com.nokia.mid.ui.FullCanvas;
public class MiningCanvas extends FullCanvas implements Runnable {
MiningMIDlet miningMIDlet;
int gamestate;
static final int GAMESTATE_SPLASH = 0;
static final int GAMESTATE_MENU = 1;
static final int GAMESTATE_GAMEING = 2;
static final int GAMESTATE_HELP = 3;
static final int GAMESTATE_SETTING = 4;
static final int GAMESTATE_ABOUT = 5;
static final int GAMESTATE_GAMEMENU = 6;
static final int GAMESTATE_COUNT = 7;
Thread thread;
int splashDelayTime;
static final Font lowFont = Font.getFont (Font.FACE_MONOSPACE, Font.STYLE_PLAIN, Font.SIZE_SMALL);
static final Font highFont = Font.getFont (Font.FACE_MONOSPACE, Font.STYLE_BOLD, Font.SIZE_MEDIUM);
//两种字体，分别是未选中和选中状态的字体
static final int lowColor = 0x000000FF;//未选中状态的颜色
static final int highColor = 0x00FF0000;//选中状态的颜色
static final int highBGColor = 0x00CCCCCC;//选中状态的背景颜色
static final int MAIN_NEW_GAME = 0;
static final int MAIN_SETTINGS = 1;
static final int MAIN_HELP = 2;
static final int MAIN_ABOUT = 3;
static final int MAIN_EXIT = 4;
static final int MAIN_MENU_ITEM_COUNT = 5;
static String[] mainMenu = new String[MAIN_MENU_ITEM_COUNT];
static int canvasW;//屏幕宽
static int canvasH;//屏幕高
static int startHeight;//菜单列表的起始高度
static int spacing;//菜单项间宽度
static int menuIdx;//当前选中的菜单项
final String[] strGamehelp =new String[10];
int empty;
static final int miningMapGrid=16;//雷区为16格x16格
static final int bombNum=52;//共有52颗雷
int miningMapLength,miningGridLength;//整个雷区的边长，每一个雷位格子的边长
int miningMapX,miningMapY;//雷区的左上角坐标
int selectedX,selectedY;//选择框的坐标，是在雷区里的坐标（1-16）
int player1Found,player2Found;//两个玩家的分值，即已经找到的雷数
int paintX,paintY;//要画出的区域的左上角坐标，是在雷区里的坐标（1-16）
int bombLeft;//剩下未扫出的雷数
static final int Player1X=10,Player1Y=30;//信息框中画出玩家一分数的坐标位置，相对于信息框左上角
static final int Player2X=10,Player2Y=90;//信息框中画出玩家二分数的坐标位置，相对于信息框左上角
static final int bombnowX=8,bombnowY=52;//信息框中画出剩余雷数的坐标位置，相对于信息框左上角
static final int bombMapW=10,bombMapH=12;//屏幕上能绘出的雷位的数量
Bomb[][] bombs;
boolean isPlayer1;//当前是否轮到玩家一扫雷
Alert winAlert;//显示输赢信息的Alert对象
String winString;//比出输赢后要输出的信息
boolean sbWon;//是否得出输赢
static final Font font = Font.getFont(Font.FACE_MONOSPACE,Font.STYLE_PLAIN,Font.SIZE_SMALL);
//消息框中使用的字体
Image infoImg,splashImage;
Image unFoundGroundImg;
Image foundGroundImg;
Image player1BombImg,player2BombImg,player1TurnImg,player2TurnImg;
Image bomb1Img,bomb2Img,bomb3Img,bomb4Img,bomb5Img,bomb6Img,bomb7Img,bomb8Img;
//所有要用到的图片
static final int GAME_RETURN = 0;
static final int GAME_RESTART = 1;
static final int GAME_HELP = 2;
static final int GAME_MENU = 3;
static final int GAME_EXIT = 4;
static final int GAME_MENU_ITEM_COUNT = 5;
static String[] gameMenu = new String[GAME_MENU_ITEM_COUNT];
static int gamemenuIdx;
public MiningCanvas(MiningMIDlet miningMIDlet) {
super();
this.miningMIDlet = miningMIDlet;
gamestate = 0;// 游戏加载时默认界面为启动界面
splashDelayTime = 3000;
try {
splashImage = Image.createImage("/occo.png");
} catch (IOException e) {
}
thread = new Thread(this);
thread.start();
menuIdx = 0;
canvasW=getWidth();canvasH=getHeight();
spacing = highFont.getHeight()/2;
startHeight = (canvasH-(lowFont.getHeight()*mainMenu.length)-(mainMenu.length-1)*spacing)/2;
mainMenu[0] = "New Game";
mainMenu[1] = "Settings";
mainMenu[2] = "Help";
mainMenu[3] = "About";
mainMenu[4] = "Exit";
strGamehelp[0]="此游戏为双人对战游戏";
strGamehelp[1]=",和经典的扫雷不同,这";
strGamehelp[2]="个游戏中，我们要挖出";
strGamehelp[3]="雷,挖错雷则交换玩家.";
strGamehelp[4]="一共有52颗雷,256个格";
strGamehelp[5]="子，最先挖到27颗雷者";
strGamehelp[6]="获胜.1.上,下,左,右分";
strGamehelp[7]="别为数字键2,8,4,6,挖";
strGamehelp[8]="雷为5;2.屏幕外框的颜";
strGamehelp[9]="色为当前下玩家;";
try{//实例化游戏中需要的Image对象
unFoundGroundImg=Image.createImage("/unfoundGroundbig.png");
foundGroundImg=Image.createImage("/foundGroundbig.png");
player1BombImg=Image.createImage("/player1bombbig.png");
player2BombImg=Image.createImage("/player2bombbig.png");
bomb1Img=Image.createImage("/bomb1big.png");
bomb2Img=Image.createImage("/bomb2big.png");
bomb3Img=Image.createImage("/bomb3big.png");
bomb4Img=Image.createImage("/bomb4big.png");
bomb5Img=Image.createImage("/bomb5big.png");
bomb6Img=Image.createImage("/bomb6big.png");
infoImg=Image.createImage("/info.png");
splashImage=Image.createImage("/occo.png");
player1TurnImg=Image.createImage("/player1turn.png");
player2TurnImg=Image.createImage("/player2turn.png");
}catch(IOException e){}
isPlayer1=true;//初始化玩家先后顺序
miningGridLength=14;//初始化每一个雷位的边长
miningMapLength=14*12;//整个扫雷棋盘的边长
miningMapX=(canvasW-miningMapLength)/2;//屏幕上棋盘左上角的X坐标
miningMapY=(canvasH-miningMapLength)/2;//屏幕上棋盘左上角的Y坐标
selectedX=selectedY=miningMapGrid/2;//初始化选择框的坐标为
player1Found=player2Found=0;//初始化两个玩家的得分
paintX=paintY=3;//初始化整个雷区一开始在屏幕上显示的范围
sbWon=false;//初始化没有玩家获胜
bombLeft=bombNum;//初始化剩余雷数为总雷数
bombs=new Bomb[miningMapGrid+2][miningMapGrid+2];
bombInit();//初始化雷区
gamemenuIdx=0;
gameMenu[0] = "RETURN";
gameMenu[1] = "RESTART";
gameMenu[2] = "HELP";
gameMenu[3] = "MENU";
gameMenu[4] = "EXIT";
}
private void paintGameMenuScreen(Graphics g){
for(int i=0;i<gameMenu.length;i++){
if(i==gamemenuIdx){
g.setColor(highBGColor);
g.fillRect(0,startHeight+i*(lowFont.getHeight()+spacing)
-(highFont.getHeight()-lowFont.getHeight())/2,
canvasW,highFont.getHeight());
g.setFont(highFont);
g.setColor(highColor);
g.drawString(gameMenu[i],(canvasW-highFont.stringWidth(gameMenu[i]))/2,
startHeight+i*(lowFont.getHeight()+spacing)-(highFont.getHeight()
-lowFont.getHeight())/2,Graphics.TOP|Graphics.LEFT);
} else {
g.setFont(lowFont);
g.setColor(lowColor);
g.drawString(gameMenu[i],(canvasW-lowFont.stringWidth(gameMenu[i]))/2,
startHeight+i*(lowFont.getHeight()+spacing),Graphics.TOP|Graphics.LEFT);
}
}
}
private void paintGameScreen(Graphics g){
paintPlayer(g,isPlayer1);
paintMiningMap(g);
paintInfo(g);
paintSelected(g);
}
protected void paintInfo(Graphics g){
g.drawImage(infoImg,miningMapX+bombMapW*miningGridLength+1,
miningMapY,Graphics.TOP|Graphics.LEFT);
g.setFont(font);
g.setColor(0x00FFFFFF);
g.drawString(String.valueOf(bombLeft),miningMapX+bombMapW*miningGridLength+bombnowX,
miningMapY+bombnowY,Graphics.TOP|Graphics.LEFT);
g.drawString(String.valueOf(player1Found),miningMapX+bombMapW*miningGridLength+Player1X,
miningMapY+Player1Y,Graphics.TOP|Graphics.LEFT);
g.drawString(String.valueOf(player2Found),miningMapX+bombMapW*miningGridLength+Player2X,
miningMapY+Player2Y,Graphics.TOP|Graphics.LEFT);
//这个方法中接下来的代码是用来在信息框中画出小地图，也就是屏幕上显示的地雷区域在整个雷区 中的位置
g.setColor(0x00777777);
g.fillRect(miningMapX+bombMapW*miningGridLength+1,miningMapY+8*miningGridLength+1,
2*miningGridLength-2,2*miningGridLength-1);
g.setColor(0x00000000);
g.drawRect(miningMapX+bombMapW*miningGridLength+1,miningMapY+8*miningGridLength+1,
2*miningGridLength-2,2*miningGridLength-1);
g.setColor(0x00BBBBBB);
g.fillRect(miningMapX+bombMapW*miningGridLength+4+2*(paintX-1),
miningMapY+8*miningGridLength+4+2*(paintY-1),12,17);
g.setColor(0x00FFFFFF);
g.drawRect(miningMapX+bombMapW*miningGridLength+4+2*(paintX-1),
miningMapY+8*miningGridLength+4+2*(paintY-1),12,17);
}
protected void paintPlayer(Graphics g,boolean isPlayer1){
if(isPlayer1)//在棋盘外围画出玩家颜色的外框
g.setColor(0x000000FF);
else
g.setColor(0x00FF0000);
for(int i=1;i<=5;i++){
g.drawRect(miningMapX-i,miningMapY-i,miningMapLength+2*i,miningMapLength+2*i);
}
if(isPlayer1)//在信息框中画出代表玩家的旗帜
g.drawImage(player1TurnImg,miningMapX+(bombMapW+1)*miningGridLength+1,
miningMapY+11*miningGridLength,Graphics.HCENTER|Graphics.VCENTER);
else
g.drawImage(player2TurnImg,miningMapX+(bombMapW+1)*miningGridLength+1,
miningMapY+11*miningGridLength,Graphics.HCENTER|Graphics.VCENTER);
}
public void paintMiningMap(Graphics g){
for(int i=0;i<bombMapH;i++){
for(int j=0;j<bombMapW;j++){//根据每个Bomb对象中的变量值画出不同的图片
if(!bombs[i+paintY+1][j+paintX+1].hasFound){
g.drawImage(unFoundGroundImg,miningMapX+j*miningGridLength,
miningMapY+i*miningGridLength,Graphics.TOP|Graphics.LEFT);
}
else {
if(!bombs[i+paintY+1][j+paintX+1].isBomb){
switch(bombs[i+paintY+1][j+paintX+1].bombaround){
case 0:
g.drawImage(foundGroundImg,miningMapX+j*miningGridLength,
miningMapY+i*miningGridLength,Graphics.TOP|Graphics.LEFT);
break;
case 1:
g.drawImage(bomb1Img,miningMapX+j*miningGridLength,
miningMapY+i*miningGridLength,Graphics.TOP|Graphics.LEFT);
break;
case 2:
g.drawImage(bomb2Img,miningMapX+j*miningGridLength,
miningMapY+i*miningGridLength,Graphics.TOP|Graphics.LEFT);
break;
case 3:
g.drawImage(bomb3Img,miningMapX+j*miningGridLength,
miningMapY+i*miningGridLength,Graphics.TOP|Graphics.LEFT);
break;
case 4:
g.drawImage(bomb4Img,miningMapX+j*miningGridLength,
miningMapY+i*miningGridLength,Graphics.TOP|Graphics.LEFT);
break;
case 5:
g.drawImage(bomb5Img,miningMapX+j*miningGridLength,
miningMapY+i*miningGridLength,Graphics.TOP|Graphics.LEFT);
break;
case 6:
g.drawImage(bomb6Img,miningMapX+j*miningGridLength,
miningMapY+i*miningGridLength,Graphics.TOP|Graphics.LEFT);
break;
default:
g.drawImage(foundGroundImg,miningMapX+j*miningGridLength,
miningMapY+i*miningGridLength,Graphics.TOP|Graphics.LEFT);
break;
}
}
else {
if(bombs[i+paintY+1][j+paintX+1].isPlayer1){
g.drawImage(player1BombImg,miningMapX+j*miningGridLength,
miningMapY+i*miningGridLength,Graphics.TOP|Graphics.LEFT);
}
else{
g.drawImage(player2BombImg,miningMapX+j*miningGridLength,
miningMapY+i*miningGridLength,Graphics.TOP|Graphics.LEFT);
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