/*===========================Program Description==========================*/
/*程序名稱：game.c                                                        */
/*程序目的：打磚塊游戲演示                                                */
/*written by :阿井                                                      */
/*========================================================================*/

#include "graphics.h"
#include "stdio.h"
#include "conio.h"                /*所需的頭文件*/

int on;                           /*聲明具有開關作用的全局變量*/
static int score;                 /*聲明靜態的記分器變量*/
 

/* 定義開始界面函數*/

int open()
{
 setviewport(100,100,500,380,1);   /*設置圖形窗口區域*/
 setcolor(4);                      /*設置作圖色*/
 rectangle(0,0,399,279);           /*以矩形填充所設的圖形窗口區域*/
 setfillstyle(SOLID_FILL,7);       /*設置填充方式*/
 floodfill(50,50,4);               /*設置填充范圍*/
 setcolor(8);
 settextstyle(0,0,9);              /*文本字體設置*/
 outtextxy(90,80,"BALL");          /*輸出文本內容*/
 settextstyle(0,0,1);
 outtextxy(110,180,"version 1.0");
 outtextxy(110,190,"made by ddt");
 setcolor(128);
 settextstyle(0,0,1);
 outtextxy(120,240,"Press any key to continue......");
}

/*定義退出界面函數*/
int quitwindow()
{
  char s[100];                       /*聲明用于存放字符串的數組*/
  setviewport(100,150,540,420,1);
  setcolor(YELLOW);
  rectangle(0,0,439,279);
  setfillstyle(SOLID_FILL,7);
  floodfill(50,50,14);
  setcolor(12);
  settextstyle(0,0,8);
  outtextxy(120,80,"End");
  settextstyle(0,0,2);
  outtextxy(120,200,"quit? Y/N");
  sprintf(s,"Your score is:%d",score);/*格式化輸出記分器的值*/
  outtextxy(120,180,s);
  on=1;                               /*初始化開關變量*/
}

/*主函數*/
main()
{
  int gdriver,gmode;
  gdriver=DETECT;                    /*設置圖形適配器*/
  gmode=VGA;                         /*設置圖形模式*/
  registerbgidriver(EGAVGA_driver);  /*建立獨立圖形運行程序*/
  initgraph(&gdriver,&gmode,"");     /*圖形系統初試化*/
  setbkcolor(14);
  open();                            /*調用開始界面函數*/
  getch();                           /*暫停*/
 
while(1)                             /*此大循環體控制游戲的反復重新進行*/
 {
   int driver,mode,l=320,t=400,r,a,b,dl=5,n,x=200,y=400,r1=10,dx=-2,dy=-2;/*初始化小球相關參數*/ 
   int left[100],top[100],right[100],bottom[100],i,j,k,off=1,m,num[100][100];/*方磚陣列相關參數*/
   static int pp;
   static int phrase;                /*一系列起開關作用的變量*/
   int oop=15;
   pp=1;
   score=0;
   driver=DETECT;
   mode=VGA;
   registerbgidriver(EGAVGA_driver);
   initgraph(&driver,&mode,"");
   setbkcolor(10);
   cleardevice();                   /*圖形狀態下清屏*/
   clearviewport();                 /*清除現行圖形窗口內容*/
   b=t+6;
   r=l+60;
   setcolor(1);
   rectangle(0,0,639,479);
   setcolor(4);
   rectangle(l,t,r,b);
   setfillstyle(SOLID_FILL,1);
   floodfill(l+2,t+2,4);

   for(i=0,k=0;i<=6;i++)            /*此循環繪制方磚陣列*/
     {   
       top[i]=k;
       bottom[i]=top[i]+20;
       k=k+21;
       oop--;
	 for(j=0,m=0;j<=7;j++)
	 {
	  left[j]=m;
	  right[j]=left[j]+80;
	  m=m+81;
	  setcolor(4);
	  rectangle(left[j],top[i],right[j],bottom[i]);
	  setfillstyle(SOLID_FILL,j+oop);
	  floodfill(left[j]+1,top[i]+1,4);
	  num[i][j]=pp++;
	 }
     }


   while(1)                        /*此循環控制整個動畫*/
   {  
     while(!kbhit())                             
      {
       x=x+dx;                     /*小球運動的圓心變量控制*/
       y=y+dy;
       if(x+r1>r||x+r1<r)
         {  phrase=0;}
       if((x-r1<=r||x+r1<=r)&&x+r1>=l)
           {
              if(y<t)
              phrase=1;
              if(y+r1>=t&&phrase==1)
                {dy=-dy;y=t-1-r1;}
           }


      if(off==0)
      continue;

      for(i=0;i<=6;i++)               /*此循環用于判斷、控制方磚陣列的撞擊、擦除*/

        for(j=0;j<=7;j++)
        {
          if((x+r1<=right[j]&&x+r1>=left[j])||(x-r1<=right[j]&&x-r1>=left[j]))
            {
              if(( y-r1>top[i]&&y-r1<=bottom[i])||(y+r1>=top[i]&&y+r1<=bottom[i] ))
	        {
	           if(num[i][j]==0)
	             {continue; }
	            setcolor(10);
	            rectangle(left[j],top[i],right[j],bottom[i]);
	            setfillstyle(SOLID_FILL,10);
	            floodfill(left[j]+1,top[i]+1,10);
		    dy=-dy;
	            num[i][j]=0;
	            score=score+10;
	            printf("%d\b\b\b",score);
                }
            }
         if((y+r1>=top[i]&&y+r1<=bottom[i])||(y-r1>=top[i]&&y-r1<=bottom[i]))
            {
              if((x+r1>=left[j]&&x+r1<right[j])||(x-r1<=right[j]&&x-r1>left[j]))
                {
	         if(num[i][j]==0)
	         { continue;}
	         setcolor(10);
	         rectangle(left[j],top[i],right[j],bottom[i]);
	         setfillstyle(SOLID_FILL,10);
	         floodfill(left[j]+1,top[i]+1,10);
	         dx=-dx;
	         num[i][j]=0;
	         score=score+10;
	         printf("%d\b\b\b",score);
                }
            }
       }

        if(x+r1>639)                 /*控制小球的彈射范圍*/
          {dx=-dx;x=638-r1;}
        if(x<=r1)
          {dx=-dx;x=r1+1;}
        if(y+r1>=479)
          {off=0;quitwindow();break;}
        if(y<=r1)
          {dy=-dy;y=r1+1;}
        if(score==560)
          {off=0;quitwindow();break;}
        setcolor(6);                
        circle(x,y,r1);
        setfillstyle(SOLID_FILL,14);
        floodfill(x,y,6);
        delay(1000);
        setcolor(10);
        circle(x,y,r1);
        setfillstyle(SOLID_FILL,10);
        floodfill(x,y,10);
   }

       a=getch();
       setcolor(10);
       rectangle(l,t,r,b);
       setfillstyle(SOLID_FILL,10);
       floodfill(l+2,t+2,10);
       if(a==77&&l<=565)              /*鍵盤控制設定*/
         {dl=20;l=l+dl;}
       if(a==75&&l>=15)
         {dl=-20;l=l+dl;}
       if(a=='y'&&on==1)
         break;
       if(a=='n'&&on==1)
         break;
       if(a==27)
         {quitwindow();off=0;}
       r=l+60;
       setcolor(4);
       rectangle(l,t,r,b);
       setfillstyle(SOLID_FILL,1);
       floodfill(l+5,t+5,4);
       delay(100); 
  }
    if(a=='y'&&on==1)                  /*是否退出游戲*/
      {break;}
    if(a=='n'&&on==1)
      { continue;}
 }
  closegraph();

}