books.java

支持蓝牙的手机游戏 支持蓝牙的手机游戏的分析与实现

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package org.challenge.chengshi.game;

/**
 *
 * 吃棋子的规则类
 * @author challenge
 */
public class Books {
    private static final String[][] book={
        {"1120","1100"},
        {"1122","1100"},
        {"1221","1001"},
        {"1222","1000"},
        {"0112","0110"},
        {"2110","0110"},
        {"2120","0100"},
        {"2112","0110"}
    };
    //每走一步时调用此方法用来重新计算各个棋子的状态并判断是否游戏结束
    public static boolean go(int[][] a,int currentX,int currentY){
        boolean rX=false,rY=false;
        String xString,yString;
        if(currentY<2){
            xString=a[currentX][0]+""+a[currentX][1]+""+a[currentX][2]+""+a[currentX][3]+"";
            xString=go(xString);
            for(int g=0;g<4;g++){
                a[currentX][g]=Integer.parseInt(xString.substring(g,g+1));
            }
            rX=isWin(xString);
        }else{
            xString=a[currentX][3]+""+a[currentX][2]+""+a[currentX][1]+""+a[currentX][0]+"";
            xString=go(xString);
            for(int g=0;g<4;g++){
                a[currentX][3-g]=Integer.parseInt(xString.substring(g,g+1));
            }
            rX=isWin(xString);
        }
        if(currentX<2){
            yString=a[0][currentY]+""+a[1][currentY]+""+a[2][currentY]+""+a[3][currentY]+"";
            yString=go(yString);
            for(int g=0;g<4;g++){
                a[g][currentY]=Integer.parseInt(yString.substring(g,g+1));
            }
            rY=isWin(yString);
        }else{
            yString=a[3][currentY]+""+a[2][currentY]+""+a[1][currentY]+""+a[0][currentY]+"";
            yString=go(yString);
            for(int g=0;g<4;g++){
                a[3-g][currentY]=Integer.parseInt(yString.substring(g,g+1));
            }
            rY=isWin(yString);
        }
        return rX||rY;
    }
    
    private static String go(String s){
        for(int i=0;i<book.length;i++){
            if(s.equals(book[i][0])){
                return book[i][1];
            }
        }
        return s;
    }
    
    private static boolean isWin(String str){
        if("1111".equals(str)){
            return true;
        }
        return false;
    }

}