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Minesweeper Game Code

Full Code For Minesweeper Game

#include <conio.h>
#include <graphics.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <ctype.h>
#ifndef __DOS_H
#include <dos.h>
#endif

#define YES 1
#define NO  0

#define XPX 15 /* X pixels by square */
#define YPX 15 /* Y pixels by square */

#define DEFCX 30 /* Default number of squares */
#define DEFCY 28

#define MINE 255-'0' /* So that when it prints, it prints char 0xff */

#define STSQUARE struct stsquare

STSQUARE {
   unsigned char value; /* Number of mines in the surround squares */
   unsigned char sqopen; /* Square is open */
   unsigned char sqpress; /* Square is pressed */
   unsigned char sqmark; /* Square is marked */
} *psquare;

#define value(x,y)   (psquare+(x)*ncy+(y))->value
#define sqopen(x,y)  (psquare+(x)*ncy+(y))->sqopen
#define sqpress(x,y) (psquare+(x)*ncy+(y))->sqpress
#define sqmark(x,y)  (psquare+(x)*ncy+(y))->sqmark

int XST, /* Offset of first pixel X */
    YST,
    ncx, /* Number of squares in X */
    ncy,
    cmines, /* Mines discovered */
    initmines, /* Number of initial mines */
    sqclosed, /* Squares still closed */
    maxy; /* Max. number of y pixels of the screen */

void Graph_init(void);
void Read_param(int argc, char *argv[]);
void Set_mines(int nminas);
void Set_square(int x, int y, int status);
void Mouse_set(void);
void Draw_squares(void);
int  Do_all(void);
void Blow_up(void);
void Open_square(int x, int y);
int  Open_near_squares(int x, int y);

/************************************************************************/
int mouse_status;
int mouse_x;
int mouse_y;


int  mouse_reset(void);
void mouse_enable(void);
void mouse_disable(void);
void mouse_read_cursor(void);
void mouse_horizontal_range(int xmin, int xmax);
void mouse_vertical_range(int ymin, int ymax);


int mouse_reset(void)
{
   _AX=0;
   geninterrupt(0x33);
   return(_AX);
} /* mouse_reset */

/*----------------------------------------------------------------------*/

void mouse_enable(void)
{
   _AX=1;
   geninterrupt(0x33);
} /* mouse_enable */


/*----------------------------------------------------------------------*/

void mouse_disable(void)
{
   _AX=2;
   geninterrupt(0x33);
} /* mouse_disable */

/*----------------------------------------------------------------------*/

void mouse_read_cursor(void)
{
   _AX=3;
   geninterrupt(0x33);
   mouse_status=_BX;
   mouse_x=_CX;
   mouse_y=_DX;
} /* mouse_read_cursor */

/*----------------------------------------------------------------------*/

void mouse_horizontal_range(int xmin, int xmax)
{
   _AX=7;
   _CX=xmin;
   _DX=xmax;
   geninterrupt(0x33);
} /* mouse_vertical_range */

/*----------------------------------------------------------------------*/

void mouse_vertical_range(int ymin, int ymax)
{
   _AX=8;
   _CX=ymin;
   _DX=ymax;
   geninterrupt(0x33);
} /* mouse_vertical_range */

void main(int argc, char *argv[])
{
   if (!mouse_reset()) {
      cputs(" ERROR: I can't find a mouse driver\r\n");
      exit(2);
   }

   Graph_init();
   Read_param(argc, argv);
   Mouse_set();

   do {
      randomize();
      cleardevice();
  outtextxy(10,10,"Project By Akshay");
outtextxy(250,10,"Press ESC for exit");
outtextxy(250,460,"http://cprogrammingbyakshay.blogspot.com");
      Set_mines(cmines=initmines);
      mouse_enable();
      Draw_squares();
   }while (Do_all() != '\x1b');
closegraph();
}


void Graph_init(void)
{
   int graphdriver=DETECT, graphmode, errorcode;

      if(errorcode < 0) {
     cprintf("\n\rGraphics System Error: %s\n",grapherrormsg(errorcode));
     exit(98);
   }
   initgraph(&graphdriver, &graphmode, "");
   errorcode=graphresult();
   if(errorcode!=grOk) {
     printf(" Graphics System Error: %s\n",grapherrormsg(errorcode));
     exit(98);
   }
   maxy=getmaxy();
} /* Graph_init */

/*----------------------------------------------------------------------*/

void Read_param(int argc, char *argv[])
{
   int x, y, m;

   x=y=m=0;
   if (argc!=1) {
      if (!isdigit(*argv[1])) {
closegraph();
cprintf("Usage is: %s [x] [y] [m]\r\n\n"
"Where x is the horizontal size\r\n"
"      y is the vertical size\r\n"
"      m is the number of mines\r\n\n"
" Left mouse button: Open the square\r\n"
"Right mouse button: Mark the square\r\n"
"                    -The first time puts a 'mine' mark\r\n"
"                    -The second time puts a 'possible "
                                     "mine' mark\r\n"
"                    -The third time unmarks the square\r\n"
"Left+Right buttons: Open the surrounded squares only if "
                    "the count of mines\r\n"
                 "                     is equal to the number in the square",argv[0]);
exit (1);
      }
      switch (argc) {
case 4: m=atoi(argv[3]);
case 3: y=atoi(argv[2]);
case 2: x=atoi(argv[1]);
      }
   }
   XST=100;
   ncx=DEFCX;
   if (maxy==479) {
      YST=30;
      ncy=DEFCY;
   }
   else {
      YST=25;
      ncy=20;
   }
   if (x>0 && x<ncx)
      ncx=x;
   if (y>0 && y<ncy) {
      YST+=((ncy-y)*YPX)>>1;
      ncy=y;
   }
   initmines= m ? m : ncx*ncy*4/25; /* There are about 16% of mines */
   if (((void near*)psquare=calloc(ncx*ncy, sizeof(STSQUARE)))==NULL) {
      closegraph();
      cputs("ERROR: Not enought memory");
      exit(3);
   }
} /* Read_param */

/*----------------------------------------------------------------------*/

void Set_mines(int nminas)
{
   STSQUARE *p;
   int i, x, y, a, b;

   sqclosed=ncx*ncy-nminas;
   p=psquare;
   for (i=ncx*ncy; i>0; i--, p++)
      p->value = p->sqopen = p->sqpress = p->sqmark = NO;
   for (i=nminas; i>0; i--) {
      while (value(x=random(ncx), y=random(ncy)) == MINE)
;
      value(x,y)=MINE;
   }
   for (x=ncx-1; x>=0; x--) {
      for (y=ncy-1; y>=0; y--) {
if (value(x,y) == MINE)
   continue;
a=x-1;
b=y-1;
if (a>=0 && b>=0 && a<ncx && b<ncy)
   value(x,y)+=(value(a,b) == MINE);
a++;
if (a>=0 && b>=0 && a<ncx && b<ncy)
   value(x,y)+=(value(a,b) == MINE);
a++;
if (a>=0 && b>=0 && a<ncx && b<ncy)
   value(x,y)+=(value(a,b) == MINE);
b++;
if (a>=0 && b>=0 && a<ncx && b<ncy)
   value(x,y)+=(value(a,b) == MINE);
a-=2;
if (a>=0 && b>=0 && a<ncx && b<ncy)
   value(x,y)+=(value(a,b) == MINE);
b++;
if (a>=0 && b>=0 && a<ncx && b<ncy)
   value(x,y)+=(value(a,b) == MINE);
a++;
if (a>=0 && b>=0 && a<ncx && b<ncy)
   value(x,y)+=(value(a,b) == MINE);
a++;
if (a>=0 && b>=0 && a<ncx && b<ncy)
   value(x,y)+=(value(a,b) == MINE);
      }
   }
} /* Set_mines */

/*----------------------------------------------------------------------*/

/*
   If status=1 then draw the square up, if it's 0 then draw it down
*/
void Set_square(int x, int y, int status)
{
   int xl, xr, yt, yb;

   mouse_disable();
   xl=XST+XPX*x;
   xr=xl+XPX-1;
   yt=YST+YPX*y;
   yb=yt+YPX-1;
   setfillstyle(SOLID_FILL, LIGHTGRAY);
   bar(xl, yt, xr, yb);
   if (status) {
      setcolor(WHITE);
      line(xl,yt,xl,yb-1);
      line(xl,yt,xr-1,yt);
      setcolor(DARKGRAY);
      line(xr,yb,xl,yb);
      line(xr,yb,xr,yt);
      switch (sqmark(x,y)) {
case 2 : setfillstyle(SOLID_FILL, LIGHTBLUE);
 setcolor(LIGHTBLUE);
 break;
case 1 : setfillstyle(SOLID_FILL, LIGHTRED);
 setcolor(LIGHTRED);
 break;
default: setcolor(LIGHTGRAY);
      }
      fillellipse(XST+XPX*x+XPX/2, YST+YPX*y+YPX/2, 3, 3);
      switch (sqmark(x,y)) {
case 2 :
case 1 : setfillstyle(SOLID_FILL, YELLOW);
 setcolor(YELLOW);
 fillellipse(XST+XPX*x+XPX/2, YST+YPX*y+YPX/2, 1, 1);
      }
   }
   else {
      sqclosed--;
      setcolor(DARKGRAY);
      line(xl,yt,xl,yb);
      line(xl,yt,xr,yt);
   }
   mouse_enable();
} /* Set_square */

/*----------------------------------------------------------------------*/

void Mouse_set(void)
{
   mouse_horizontal_range(XST, XST+XPX*ncx-3);
   mouse_vertical_range(YST, YST+YPX*ncy-3);
} /* Mouse_set */

/*----------------------------------------------------------------------*/

void Draw_squares(void)
{
   int x, y;

   mouse_disable();
   for (x=0; x<ncx; x++)
      for (y=0; y<ncy; y++)
Set_square(x,y,1);
   mouse_enable();
} /* Draw_squares */

/*----------------------------------------------------------------------*/

/*
   Here we do all the job
*/
int Do_all(void)
{
   int x, y, xant=-1, yant, mlstant, mrstant, cminasant=0, ttrans, tant=0;
   long tst, tact;
   char str[] ="xxxxx: 0000",
blk[] ="ÛÛÛÛÛÛÛÛÛÛÛ";

   mouse_enable();
   time(&tst);
   while (!kbhit()) {
      if (!sqclosed && !mouse_status) { /* All mines discovered */
settextjustify(LEFT_TEXT, CENTER_TEXT);
setcolor(BLACK);
outtextxy(0, maxy/2-10, blk);
sprintf(str,"Mines:    0");
setcolor(LIGHTRED);
outtextxy(0, maxy/2-10, str);
settextjustify(LEFT_TEXT, CENTER_TEXT);
setcolor(BLACK);
outtextxy(0, maxy/2+10, blk);
sprintf(str," Time: %4d",ttrans);
setcolor(LIGHTGREEN);
outtextxy(0, maxy/2+10, str);
for (x=ncx-1; x>=0; x--)
   for (y=ncy-1; y>=0; y--)
      if (value(x,y)==MINE) {
 sqmark(x,y)=1;
 Set_square(x,y,1);
      }
break;
      }
      if (cminasant != cmines) { /* Update Mines: */
cminasant=cmines;
settextjustify(LEFT_TEXT, CENTER_TEXT);
setcolor(BLACK);
outtextxy(0, maxy/2-10, blk);
sprintf(str,"Mines: %4d",cmines);
setcolor(LIGHTRED);
outtextxy(0, maxy/2-10, str);
      }
      if (tant != (ttrans=(int)(time(&tact)-tst))) { /* Update Time: */
tant=ttrans;
settextjustify(LEFT_TEXT, CENTER_TEXT);
setcolor(BLACK);
outtextxy(0, maxy/2+10, blk);
sprintf(str," Time: %4d",ttrans);
setcolor(LIGHTRED);
outtextxy(0, maxy/2+10, str);
      }
      mouse_read_cursor();
      mouse_status&=3;
      x=(mouse_x-XST)/XPX;
      y=(mouse_y-YST)/YPX;
      if (xant == -1) {
xant=x;
yant=y;
      }
      if (x!=xant || y!=yant) { /* Position change */
if (sqpress(xant,yant) && !sqopen(xant,yant)) {
   sqpress(xant,yant)=NO;
   Set_square(xant,yant,1);
}
xant=x;
yant=y;
      }
      if (!mouse_status)
mlstant=mrstant=0;
      if ((mouse_status == 2) &&
  !sqopen(x,y)       &&
  mlstant!=mouse_status) { /* Right button pressed */
mlstant=mouse_status;
mouse_disable();
switch (sqmark(x,y)=(sqmark(x,y)+1) % 3) {
   case 1 : cmines--; break;
   case 2 : cmines++;
}
Set_square(x,y,1);
mouse_enable();
      }
      else if (mouse_status==1 && /* Left button pressed */
      !sqopen(x,y)    &&
      !sqpress(x,y)   && /* And square not pressed */
      sqmark(x,y)!=1) {
sqpress(x,y)=YES;
Set_square(x,y,0);
      }
      else if (!mouse_status && /* Left button released */
      !sqopen(x,y)  &&
      sqpress(x,y)  &&
      sqmark(x,y)!=1) {     /* Open the square */
if (value(x,y) == MINE) {
   Blow_up();
   break;
}
else
   Open_square(x,y);
      }
      else if (mouse_status==3 &&
      sqopen(x,y)     &&
      mrstant!=mouse_status) { /* Open near squares */
mrstant=mouse_status;
if (Open_near_squares(x,y) == YES) {
   Blow_up();
   break;
}
      }
   }
   mouse_disable();
   return (getch());
} /* Do_all */

/*----------------------------------------------------------------------*/

void Blow_up(void)
{
   int x, y, xl, yt, xr, yb;

   mouse_disable();
   for (x=0; x<ncx; x++) {
      for (y=0; y<ncy; y++) {
if (value(x,y) == MINE) {
   settextjustify(CENTER_TEXT, CENTER_TEXT);
   setcolor(LIGHTRED);
   outtextxy(XST+XPX*x+XPX/2-1, YST+YPX*y+YPX/2, "Û");
   setcolor(BLACK);
   outtextxy(XST+XPX*x+XPX/2, YST+YPX*y+YPX/2+1, "*");
}
else if (sqmark(x,y)==1) {
   setcolor(YELLOW);
   xl=XST+XPX*x;
   xr=xl+XPX-1;
   yt=YST+YPX*y;
   yb=yt+YPX-1;
   line(xl,yt,xr,yb);
   line(xl,yb,xr,yt);
}
      }
   }
} /* Blow_up */

/*----------------------------------------------------------------------*/

void Open_square(int x, int y)
{
   char num[2]="0";
   int a, b, c;

   sqopen(x,y)=YES;
   if ((num[0]=value(x,y)) != 0) {
      num[0]+='0';
      switch(num[0]) {
case '1' : c=LIGHTBLUE; break;
case '2' : c=LIGHTGREEN; break;
case '3' : c=YELLOW; break;
case '4' : c=LIGHTRED; break;
default  : c=LIGHTMAGENTA;
      }
      mouse_disable();
      setcolor(c);
      settextjustify(CENTER_TEXT, CENTER_TEXT);
      outtextxy(XST+XPX*x+XPX/2, YST+YPX*y+YPX/2+1, num);
      mouse_enable();
   }
   else { /* Open near squares if the current number is 0 */
      a=x-1;
      b=y-1;
      if (a>=0 && b>=0 && a<ncx && b<ncy && !sqopen(a,b) && sqmark(a,b)!=1) {
Set_square(a,b,0);
Open_square(a,b);
      }
      a++;
      if (a>=0 && b>=0 && a<ncx && b<ncy && !sqopen(a,b) && sqmark(a,b)!=1) {
Set_square(a,b,0);
Open_square(a,b);
      }
      a++;
      if (a>=0 && b>=0 && a<ncx && b<ncy && !sqopen(a,b) && sqmark(a,b)!=1) {
Set_square(a,b,0);
Open_square(a,b);
      }
      b++;
      if (a>=0 && b>=0 && a<ncx && b<ncy && !sqopen(a,b) && sqmark(a,b)!=1) {
Set_square(a,b,0);
Open_square(a,b);
      }
      a-=2;
      if (a>=0 && b>=0 && a<ncx && b<ncy && !sqopen(a,b) && sqmark(a,b)!=1) {
Set_square(a,b,0);
Open_square(a,b);
      }
      b++;
      if (a>=0 && b>=0 && a<ncx && b<ncy && !sqopen(a,b) && sqmark(a,b)!=1) {
Set_square(a,b,0);
Open_square(a,b);
      }
      a++;
      if (a>=0 && b>=0 && a<ncx && b<ncy && !sqopen(a,b) && sqmark(a,b)!=1) {
Set_square(a,b,0);
Open_square(a,b);
      }
      a++;
      if (a>=0 && b>=0 && a<ncx && b<ncy && !sqopen(a,b) && sqmark(a,b)!=1) {
Set_square(a,b,0);
Open_square(a,b);
      }
   }
} /* Open_square */

/*----------------------------------------------------------------------*/

/*
   Open the sorrounded squares. Returns != 0 if I activated a mine
*/
int Open_near_squares(int x, int y)
{
   int a, b, suma=0;

   a=x-1;
   b=y-1;
   if (a>=0 && b>=0 && a<ncx && b<ncy && sqmark(a,b)==1)
      suma++;
   a++;
   if (a>=0 && b>=0 && a<ncx && b<ncy && sqmark(a,b)==1)
      suma++;
   a++;
   if (a>=0 && b>=0 && a<ncx && b<ncy && sqmark(a,b)==1)
      suma++;
   b++;
   if (a>=0 && b>=0 && a<ncx && b<ncy && sqmark(a,b)==1)
      suma++;
   a-=2;
   if (a>=0 && b>=0 && a<ncx && b<ncy && sqmark(a,b)==1)
      suma++;
   b++;
   if (a>=0 && b>=0 && a<ncx && b<ncy && sqmark(a,b)==1)
      suma++;
   a++;
   if (a>=0 && b>=0 && a<ncx && b<ncy && sqmark(a,b)==1)
      suma++;
   a++;
   if (a>=0 && b>=0 && a<ncx && b<ncy && sqmark(a,b)==1)
      suma++;
   if (suma == value(x,y)) {
      suma=0;
      a=x-1;
      b=y-1;
      if (a>=0 && b>=0 && a<ncx && b<ncy && !sqopen(a,b) && sqmark(a,b)!=1) {
suma|=(value(a,b)==MINE);
Set_square(a,b,0);
Open_square(a,b);
      }
      a++;
      if (a>=0 && b>=0 && a<ncx && b<ncy && !sqopen(a,b) && sqmark(a,b)!=1) {
suma|=(value(a,b)==MINE);
Set_square(a,b,0);
Open_square(a,b);
      }
      a++;
      if (a>=0 && b>=0 && a<ncx && b<ncy && !sqopen(a,b) && sqmark(a,b)!=1) {
suma|=(value(a,b)==MINE);
Set_square(a,b,0);
Open_square(a,b);
      }
      b++;
      if (a>=0 && b>=0 && a<ncx && b<ncy && !sqopen(a,b) && sqmark(a,b)!=1) {
suma|=(value(a,b)==MINE);
Set_square(a,b,0);
Open_square(a,b);
      }
      a-=2;
      if (a>=0 && b>=0 && a<ncx && b<ncy && !sqopen(a,b) && sqmark(a,b)!=1) {
suma|=(value(a,b)==MINE);
Set_square(a,b,0);
Open_square(a,b);
      }
      b++;
      if (a>=0 && b>=0 && a<ncx && b<ncy && !sqopen(a,b) && sqmark(a,b)!=1) {
suma|=(value(a,b)==MINE);
Set_square(a,b,0);
Open_square(a,b);
      }
      a++;
      if (a>=0 && b>=0 && a<ncx && b<ncy && !sqopen(a,b) && sqmark(a,b)!=1) {
suma|=(value(a,b)==MINE);
Set_square(a,b,0);
Open_square(a,b);
      }
      a++;
      if (a>=0 && b>=0 && a<ncx && b<ncy && !sqopen(a,b) && sqmark(a,b)!=1) {
suma|=(value(a,b)==MINE);
Set_square(a,b,0);
Open_square(a,b);
      }
      return (suma);
   }
   else
      return 0;
} /* Open_near_squares */

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