block.java

来自「我自己写的一个java tetrix。是上学期的作业」· Java 代码 · 共 130 行

import java.util.*;
import java.io.*;

public abstract class block
{

    public final static  int bwidth = 10;
	public final static int bheight = 18;

    /** repensent the status of the 6*8 board. */
    protected static char tile[][]= new char[bheight][bwidth];
    /** to store the location of the new block */
    protected static int row[]=new int[4];
    /** to store the location of the new block */
    protected static int col[]=new int[4];



    /** set the variable to check whether the intial right side of the block is free */
    protected static boolean right = true;
    /** set the variable to check whether the intial left side of the block is free */
    protected static boolean left = true;
    /** set the variable to check whether the intial down side of the block is free */
    protected static boolean down = true;
    protected static int score =0;

    /** the constructor */
    public  block()
    {

	}

/** unlike the Move_Downward,Left,Right methods,Check and Rotation is different depend on the shape and position of the block. */
    public abstract void  check();


/** unlike the Move_Downward,Left,Right methods,Check and Rotation is different depend on the shape and position of the block. */
	public abstract void rotate();



/** Move the block to the left */
    protected void  Move_Left()
    {
       for (int i=0,j=0; i<4; i++,j++)
       {
	           tile[row[i]][col[j]]=' ';
	    }

       for (int i=0,j=0;  i<4; i++,j++)
       {
	           tile[row[i]][col[j]-1]='*';
	    }
       for (int  j=0;  j<4; j++)
       {
	        col[j]-=1;
	   }


	}

/** Move the block to the right */
    protected void  Move_Right()
    {
       for (int i=0,j=0;  i<4; i++,j++)
       {
	           tile[row[i]][col[j]]=' ';
	    }

       for (int i=0,j=0;  i<4; i++,j++)
       {
	           tile[row[i]][col[j]+1]='*';
	    }
       for (int  j=0;  j<4; j++)
       {
	        col[j]+=1;
	    }
	}

/** Move the block to the downward */
	protected void  Move_Downward()
	{
       for (int i=0,j=0;  i<4; i++,j++)
       {
	           tile[row[i]][col[j]]=' ';
	    }

       for (int i=0,j=0;  i<4; i++,j++)
       {
	           tile[row[i]+1][col[j]]='*';
	    }
       for (int i=0;  i<4; i++)
       {
	        row[i]+=1;
	    }

	}

/** check every line in the board whether it is assembled. If there is a Assembled Line, then eliminate it and get every line down one step and show the score you get. */
	public void erase_lines()
	{
		for(int i=bheight-1;i>=0;i--)
		{
		  for(int j=bheight-1;j>0;j--)
		  {
			if((tile[i][0]=='*')&&(tile[i][1]=='*')&&(tile[i][2]=='*')&&(tile[i][3]=='*')&&(tile[i][4]=='*')&&(tile[i][5]=='*')&&(tile[i][6]=='*')&&(tile[i][7]=='*')&&(tile[i][8]=='*')&&(tile[i][9]=='*'))
			{
                    /** move the upper tile downwards */
					for(int m=i; m>0; m--)
					{
						for(int n=0; n<bwidth; n++)
						{
							tile[m][n] = tile[m-1][n];
						}
					}
					for(int k=0;k<bwidth; k++)
					{
						tile[0][k]=' ';
					}
                    score++;

			 }
		   }
		 }

//		System.out.println("You got "+score+" score!");
	}


}