lookcanvas.java

这是一个Java编写的手机象棋游戏

import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.GameCanvas;

public class LookCanvas extends GameCanvas implements Runnable
{
	//画布数据
	private final	int		WIDTH,HEIGHT,width,height,hy,vx,bandLength,charHeight,vLocation;
	private	int				k;
	private String[]		str=null;
	//记录存放集合变量
	private ChessRecord		chessRecord=null;
	private int[][]			chess=null;
	private int[]			contentIds=null,chessChance=null;
	//走步标记
	private int				chanceNumber=0;
	private boolean			state=true,stop=false;
	//************存放在记录中的供用户进行设置的变量
	//背景色彩
	private int	bgColorR = 0, bgColorG = 0, bgColorB = 0;
	//棋盘色彩
	private int	chessColorR = 0, chessColorG = 0, chessColorB = 0;
	//楚河汉界色彩
	private int	riverColorR = 0, riverColorG = 0, riverColorB = 0;
	//计时器色彩
	private int	timeColorR = 0, timeColorG = 0, timeColorB = 0;
	//我方棋子色彩
	private int	myColorR = 0, myColorG = 0, myColorB = 0;
	//对方棋子色彩
	private int	yourColorR = 0, yourColorG = 0, yourColorB = 0;
	//字符色彩
	private int	fontColorR = 0, fontColorG = 0, fontColorB = 0;
	//我方棋子选择后的色彩
	private int	selectedColorR = 0, selectedColorG = 0, selectedColorB = 0;
	//选择框的色彩
	private int	selectColorR = 0, selectColorG = 0, selectColorB = 0;
	//休眠时间，如果反应太快的话，可以手动增加它的值
	private int	sleepTime = 0;
	private RecordManage	recordManage = null;

	public LookCanvas(RecordManage recordManage, String indexName,ChessRecord cRecord)
	{
		super(true);
		this.recordManage = recordManage;
		chessRecord=cRecord;
		//获取棋盘初始数组
		chess=chessRecord.getChess(indexName);
		//System.out.println("成功取得棋盘初始化数组");
		//取得走棋步子集合
		contentIds=chessRecord.getChessChance();
		chanceNumber=contentIds.length-1;
		//System.out.println("棋步的数目是:"+chanceNumber+1);
		//System.out.println("成功取得棋盘走步集合");
		//画布变量初始化
		setFullScreenMode(true);
		WIDTH=getWidth();
		HEIGHT=getHeight();
		width=WIDTH/10;
		Font	f = Font.getDefaultFont();
		charHeight = f.getHeight();
		height=(HEIGHT - 2*charHeight)/10;
		hy = (HEIGHT - 9 * height)/2;
		vx = (WIDTH - 8 * width)/2;
		bandLength = Math.min(width ,height);
		vLocation = vx + width * 4;
		//初始化象棋字符
		str=new String[33];
		str[0]="将";
		str[1]="兵";
		str[2]="兵";
		str[3]="兵";
		str[4]="兵";
		str[5]="兵";
		str[6]="炮";
		str[7]="炮";
		str[8]="车";
		str[9]="车";
		str[10]="马";
		str[11]="马";
		str[12]="相";
		str[13]="相";
		str[14]="士";
		str[15]="士";
		str[16]="帅";
		str[17]="卒";
		str[18]="卒";
		str[19]="卒";
		str[20]="卒";
		str[21]="卒";
		str[22]="炮";
		str[23]="炮";
		str[24]="车";
		str[25]="车";
		str[26]="马";
		str[27]="马";
		str[28]="象";
		str[29]="象";
		str[30]="仕";
		str[31]="仕";
		str[32]="";
		getUserSetup();
		//开启画布线程
		new Thread(this).start();
	}
	private void getUserSetup()
	{
		SetupRecord record = new SetupRecord();
		Setup	setup = record.getUserSetup();
		int[][] setupData = setup.getCanvas();
		bgColorR = setupData[0][0];
		bgColorG = setupData[0][1];
		bgColorB = setupData[0][2];
		chessColorR = setupData[1][0];
		chessColorG = setupData[1][1];
		chessColorB = setupData[1][2];
		riverColorR = setupData[2][0];
		riverColorG = setupData[2][1];
		riverColorB = setupData[2][2];
		timeColorR = setupData[3][0];
		timeColorG = setupData[3][1];
		timeColorB = setupData[3][2];
		myColorR = setupData[4][0];
		myColorG = setupData[4][1];
		myColorB = setupData[4][2];
		yourColorR = setupData[5][0];
		yourColorG = setupData[5][1];
		yourColorB = setupData[5][2];
		fontColorR = setupData[6][0];
		fontColorG = setupData[6][1];
		fontColorB = setupData[6][2];
		selectedColorR = setupData[7][0];
		selectedColorG = setupData[7][1];
		selectedColorB = setupData[7][2];
		selectColorR = setupData[8][0];
		selectColorG = setupData[8][1];
		selectColorB = setupData[8][2];
		sleepTime = setup.getSleepTime();
		record.closeSetupRecord();
	}
	public void run()
	{
		while(!stop)
		{
			long startTime = System.currentTimeMillis();
			int keyState=getKeyStates();
			if((keyState&GameCanvas.GAME_A_PRESSED)!=0)
			{
				stop = true;
				Chess.dis.setCurrent(recordManage);
			}
			if((keyState&GameCanvas.FIRE_PRESSED)!=0)
			{
				if(chanceNumber<0)
				{//下面这种形式会一直停留在Alert界面
					/*Alert alert=new Alert("Warning","已经是最后一步了",null,AlertType.WARNING);
					Chess.dis.setCurrent(alert,this);*/
				}
				else
				{
					//System.out.println("再现记录按键一次");
					int tempRecordId=contentIds[chanceNumber];
					//System.out.println("绘画前取得tempRecordId是:"+tempRecordId);
					chessChance=chessRecord.getChanceRecord(tempRecordId);
					int m=chessChance[0];
					int n=chessChance[1];
					int y=chessChance[2];
					int x=chessChance[3];
					//System.out.println("取得的两个位置是");
					//System.out.println(m+","+n);
					//System.out.println(y+","+x);
					chess[y][x]=chess[m][n];
					chess[m][n]=32;
					//System.out.println("变量设置完成");
					state=true;
					chanceNumber=chanceNumber-1;
					//System.out.println("一步完成");
				}
			}
			if(state)
			{
				//***********************画棋局
				//取得画布
				Graphics g=getGraphics();
				//画出背景
				g.setColor(bgColorR,bgColorG,bgColorB);
				g.fillRect(0,0,WIDTH,HEIGHT);
				g.setColor(chessColorR,chessColorG,chessColorB);
				
				//画出大矩形
				g.drawRect(vx,hy,width * 8 ,height * 9);
				//画出上半截竖条
				for(int i=1;i<8;i++)
					g.drawLine(vx+i*width,hy,vx+i*width,hy+height*4);
				g.drawLine(vx+3*width, hy, vx+5*width, hy+2*height);
				g.drawLine(vx+5*width, hy, vx+3*width, hy+2*height);
				//画出横条
				for(int i=1;i<9;i++)
					g.drawLine(vx,hy+i*height,vx + width * 8,hy+i*height);
				//画出下半截竖条
				for(int i=1;i<8;i++)
					g.drawLine(vx+i*width,hy+5*height,vx+i*width,hy+9*height);
				g.drawLine(vx+3*width, hy+9*height, vx+5*width, hy+7*height);
				g.drawLine(vx+3*width, hy+7*height, vx+5*width, hy+9*height);
				//画河
				g.setColor(riverColorR,riverColorG,riverColorB);
				g.fillRect(vx ,hy + height * 4 ,width * 8 + 1,height + 1);
				//画出棋子初始摆放位置
				for(int i=0;i<10;i++)
				{
					for(int j=0;j<9;j++)
					{
						if(chess[i][j]!=32)
						{
							k=chess[i][j];
							if(k>15)
								g.setColor(myColorR,myColorG,myColorB);
							else
								g.setColor(yourColorR,yourColorG,yourColorB);
							g.fillArc(width*j+vx-width/2,height*i+hy-height/2,width,width,0,360);
							g.setColor(fontColorR,fontColorG,fontColorB);
							//与画字符有关的，各种差值固定，不随机型改变
							g.drawString(str[k],width*j+vx,height*i+hy - charHeight/2,Graphics.TOP|Graphics.HCENTER);
						}
					}
				}
				state=false;
			}
			long endTime = System.currentTimeMillis();
			int duration = (int)(endTime - startTime);
			if(duration<(sleepTime - 10))
			{
				try
				{
					Thread.sleep(sleepTime-duration);
				}
				catch(InterruptedException ie)
				{
					
				}
			}
			flushGraphics();
		}
	}
};