#include <conio.h>
#include <graphics.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <ctype.h>
#include "mouse.c"
#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);
/************************************************************************/
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();
Set_mines(cmines=initmines);
mouse_enable();
Draw_squares();
}
while (Do_all() != '\x1b');
closegraph();
}
/*************************************************************************
* *
* F U N C T I O N S *
* *
*************************************************************************/
/*----------------------------------------------------------------------*/
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)
{