gamefield.cs

自己写的源码

using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Media;
using System.IO;

namespace ChinaBlock
{
    class GameField
    {
        public const int width = 20;           //场景的宽，以方块个数为单位
        public const int height = 30;
        public const int SquareSize = 15;      //每个四分之一小方块的边长
        public static Color BackColor;         //场景的背景色
        public static System.IntPtr winHandle; //场景的handle
        public static Color[] BlockForeColor ={ Color.Blue, Color.Beige, Color.DarkKhaki, Color.DarkMagenta, Color.DarkOliveGreen, Color.DarkOrange, Color.DarkRed };
        public static Color[] BlockBackColor ={ Color.LightCyan, Color.DarkSeaGreen, Color.Beige, Color.Beige, Color.Beige, Color.Beige, Color.Beige };
        public static bool isChanged=false; //设置是否被更改的标志位
        public static SoundPlayer sound = new SoundPlayer();

        public static Square[,] arriveBlock = new Square[width, height]; //保存已经不能再下落了的方块
        public static int[] arrBitBlock=new int[height];  //位数组：当某个位置有方块时，该行的该位为1
        private const int bitEmpty = 0x0;      //0000 0000 0000 0000 0000
        private const int bitFull = 0xFFFFF;   //1111 1111 1111 1111 1111

        /*检测是否为空*/
        public static bool isEmpty(int x, int y)
        {
            //先检测是否越界
            if (y < 0 || y >= height)
                return false;
            if (x < 0 || x >= width)
                return false;
            //然后检测是否为空
            if ((arrBitBlock[y] & (1 << x)) != 0)
                return false;
            else
                return true;
        }
        /*将方块停住*/
        public static void stopSquare(Square sq, int x, int y)
        {
            arriveBlock[x, y] = sq;
            arrBitBlock[y]=arrBitBlock[y]|(1<<x);
        }
        /*检测行是否满 
         * 返回：成功消除的行数和  （方便统计分数）
         */
        public static int CheckLines()
        {
            //从最下面一行往上检测，当某行为空或到顶时结束
            int lineFullCount = 0;
            int y = height - 1;
            while (y >= 0 && arrBitBlock[y] != bitEmpty)
            {
                if (arrBitBlock[y] == bitFull)
                {
                    lineFullCount++; //消除一行记分
                    arrBitBlock[y] = bitEmpty;//消除该行的block
                    PlaySound("FinishOneLine");  //播放声音
                    for (int x = 0; x < width; x++) //消除该行的block
                        arriveBlock[x, y] = null;
                    //将该行之上的block下移，如果到顶则不执行
                    for (int i = y; i - 1 >= 0; i--)
                    {
                        for (int x = 0; x < width; x++)
                        {
                            if ((arrBitBlock[i - 1] & (1 << x)) != 0) //如果上方有block
                            {
                                arriveBlock[x, i - 1].location = new Point(arriveBlock[x,i-1].location.X,arriveBlock[x,i-1].location.Y+SquareSize);
                                arriveBlock[x, i] = arriveBlock[x, i - 1];
                            }
                        }
                        arrBitBlock[i] = arrBitBlock[i - 1];
                    } 
                }
                else  //当消除一行后指针不下移，当没有消除的时候指针才下移
                   y--;
             }//while循环结束
            return lineFullCount;
        }
        /*播放声音*/
        public static void PlaySound(string soundstr)
        {
            switch (soundstr)
            {
                case "FinishOneLine": //消除一行的声音
                    if (!File.Exists("FinishOneLine.wav")) return;
                    sound.SoundLocation = "FinishOneLine.wav";
                    break;
                case "CanNotDo": //当无法操作时
                    if (!File.Exists("CanNotDo.wav")) return;
                    sound.SoundLocation = "CanNotDo.wav";
                    break;
            }
            sound.Play();
        }
        /*重画*/
        public static void Redraw()
        { 
            for(int y=height-1;y>=0;y--)
                if(arrBitBlock[y]!=bitEmpty)
                    for(int x=0;x<width;x++)
                        if ((arrBitBlock[y] & (1 << x)) != 0)
                            arriveBlock[x, y].Draw(winHandle);  
        }
        
        //结束
    }
}