]>
git.gir.st - minesVIiper.git/blob - mines_2017.c
1 /*******************************************************************************
3 By Tobias Girstmair, 2015 - 2017
5 ./minesviiper -w 16 -h 16 -m 40
6 (see ./minesviiper -\? for full list of options)
8 MOUSE MODE: - left click to open and choord
9 - right click to flag/unflag
10 VI MODE: - hjkl to move cursor left/down/up/right
11 - bduw to jump left/down/up/right by 5 cells
12 - space to open and choord
15 GNU GPL v3, see LICENSE or https://www.gnu.org/licenses/gpl-3.0.txt
16 *******************************************************************************/
19 #define _POSIX_C_SOURCE 2 /*for getopt, sigaction in c99*/
34 #define MIN(a,b) (a>b?b:a)
35 #define MAX(a,b) (a>b?a:b)
36 #define printm(num, str) for (int i = 0; i < num; i++) fputs (str, stdout)
37 #define print(str) fputs (str, stdout)
40 unsigned m
:2; /* mine?1:killmine?2:0 */
41 unsigned o
:1; /* open?1:0 */
42 unsigned f
:2; /* flagged?1:questioned?2:0 */
43 unsigned n
:4; /* 0<= neighbours <=8 */
49 int m
; /* number of mines */
51 int f
; /* flags counter */
52 int t
; /* time of game start */
53 int p
[2]; /* cursor position {line, col} */
57 struct minescheme
* scheme
;
58 int mode
; /* allow flags? quesm? */
61 void fill_minefield (int, int);
63 int getch (unsigned char*);
64 int getctrlseq (unsigned char*);
65 int everything_opened ();
66 int wait_mouse_up (int, int);
67 void partial_show_minefield (int, int, int);
68 void show_minefield (int);
69 int get_neighbours (int, int, int);
70 int uncover_square (int, int);
71 void flag_square (int, int);
72 int choord_square (int, int);
73 struct minecell
** alloc_array (int, int);
75 int screen2field_l (int);
76 int screen2field_c (int);
77 int field2screen_l (int);
78 int field2screen_c (int);
80 void signal_handler (int signum
);
92 enum fieldopenstates
{
97 /* for getctrlseq() */
103 CTRSEQ_MOUSE_LEFT
= -4,
104 CTRSEQ_MOUSE_MIDDLE
= -5,
105 CTRSEQ_MOUSE_RIGHT
= -6,
113 void signal_handler (int signum
) {
116 move (1, f
.w
*op
.scheme
->cell_width
-(op
.scheme
->cell_width
%2)-3);
117 printf ("[%03d]", f
.t
?(int)difftime (time(NULL
), f
.t
):0);
124 /* http://users.csc.calpoly.edu/~phatalsk/357/lectures/code/sigalrm.c */
125 struct termios saved_term_mode
;
126 struct termios
set_raw_term_mode() {
127 struct termios cur_term_mode
, raw_term_mode
;
129 tcgetattr(STDIN_FILENO
, &cur_term_mode
);
130 raw_term_mode
= cur_term_mode
;
131 raw_term_mode
.c_lflag
&= ~(ICANON
| ECHO
);
132 raw_term_mode
.c_cc
[VMIN
] = 1 ;
133 raw_term_mode
.c_cc
[VTIME
] = 0;
134 tcsetattr(STDIN_FILENO
, TCSAFLUSH
, &raw_term_mode
);
136 return cur_term_mode
;
138 void restore_term_mode(struct termios saved_term_mode
) {
139 tcsetattr(STDIN_FILENO
, TCSAFLUSH
, &saved_term_mode
);
143 int main (int argc
, char** argv
) {
144 struct itimerval tbuf
;
145 struct sigaction saction
;
146 saved_term_mode
= set_raw_term_mode();
150 saction
.sa_handler
= signal_handler
;
151 sigemptyset(&saction
.sa_mask
);
152 saction
.sa_flags
= 0;
153 if (sigaction(SIGALRM
, &saction
, NULL
) < 0 ) {
157 tbuf
.it_interval
.tv_sec
= 1;
158 tbuf
.it_interval
.tv_usec
= 0;
159 tbuf
.it_value
.tv_sec
= 1;
160 tbuf
.it_value
.tv_usec
= 0;
162 if (sigaction(SIGINT
, &saction
, NULL
) < 0 ) {
166 /* end screen setup */
172 f
.c
= NULL
; /*to not free() array before it is allocated*/
174 op
.scheme
= &symbols_mono
;
179 opterr
= 0; /* don't print message on unrecognized option */
180 while ((optget
= getopt (argc
, argv
, "+w:h:m:nfqcdx")) != -1) {
182 case 'w': f
.w
= atoi (optarg
); break;
183 case 'h': f
.h
= atoi (optarg
); break;
184 case 'm': f
.m
= atoi (optarg
); break;
185 case 'n': op
.mode
= NOFLAG
; break;
186 case 'f': op
.mode
= FLAG
; break; /*default*/
187 case 'q': op
.mode
= QUESM
; break;
188 case 'c': op
.scheme
= &symbols_col1
; break;
189 case 'd': op
.scheme
= &symbols_doublewidth
; break;
191 fprintf (stderr
, "%s [OPTIONS]\n"
198 " q(uestion marks)\n"
199 " c(olored symbols)\n"
200 " d(oublewidth symbols)\n"
202 "hjkl: move 1 left/down/up/right\n"
203 "bduw: move 5 left/down/up/right\n"
204 "left mouse/space: open/choord\n"
205 "right mouse/i: flag/unflag\n"
206 ":D / r: start a new game\n", argv
[0]);
210 /* end parse options*/
211 /* check boundaries */
212 if (f
.m
> (f
.w
-1) * (f
.h
-1)) {
213 f
.m
= (f
.w
-1) * (f
.h
-1);
214 fprintf (stderr
, "too many mines. reduced to %d.\r\n", f
.m
);
219 f
.c
= alloc_array (f
.h
, f
.w
);
229 printf ("\033[H\033[J");
231 show_minefield (NORMAL
);
233 /* enable mouse, hide cursor */
234 printf ("\033[?1000h\033[?25l");
238 unsigned char mouse
[3];
240 action
= getch(mouse
);
242 case CTRSEQ_MOUSE_LEFT
:
243 f
.p
[0] = screen2field_l (mouse
[2]);
244 f
.p
[1] = screen2field_c (mouse
[1]);
245 /* :D clicked: TODO: won't work in single-width mode! */
246 if (mouse
[2] == LINE_OFFSET
-1 &&
247 (mouse
[1] == f
.w
+COL_OFFSET
||
248 mouse
[1] == f
.w
+COL_OFFSET
+1)) {
252 if (f
.p
[1] < 0 || f
.p
[1] >= f
.w
||
253 f
.p
[0] < 0 || f
.p
[0] >= f
.h
) break; /*out of bound*/
258 fill_minefield (f
.p
[0], f
.p
[1]);
260 tbuf
.it_value
.tv_sec
= 1;
261 tbuf
.it_value
.tv_usec
= 0;
262 if (setitimer(ITIMER_REAL
, &tbuf
, NULL
) == -1) {
268 if (f
.c
[f
.p
[0]][f
.p
[1]].f
== FLAG
) break;
269 if (f
.c
[f
.p
[0]][f
.p
[1]].o
== CLOSED
) {
270 if (uncover_square (f
.p
[0], f
.p
[1])) goto lose
;
271 } else if (get_neighbours (f
.p
[0], f
.p
[1], 1) == 0) {
272 if (choord_square (f
.p
[0], f
.p
[1])) goto lose
;
274 if (everything_opened()) goto win
;
276 case CTRSEQ_MOUSE_RIGHT
:
277 f
.p
[0] = screen2field_l (mouse
[2]);
278 f
.p
[1] = screen2field_c (mouse
[1]);
279 if (f
.p
[1] < 0 || f
.p
[1] >= f
.w
||
280 f
.p
[0] < 0 || f
.p
[1] >= f
.h
) break; /*out of bound*/
282 case 'r': /* start a new game */
286 if (f
.c
[f
.p
[0]][f
.p
[1]].o
== CLOSED
)
287 flag_square (f
.p
[0], f
.p
[1]);
290 partial_show_minefield (f
.p
[0], f
.p
[1], NORMAL
);
291 if (f
.p
[1] > 0) f
.p
[1]--;
292 move (f
.p
[0]+LINE_OFFSET
, field2screen_c(f
.p
[1]));
293 fputs (op
.scheme
->mouse_highlight
, stdout
);
296 partial_show_minefield (f
.p
[0], f
.p
[1], NORMAL
);
297 if (f
.p
[0] < f
.h
-1) f
.p
[0]++;
298 move (f
.p
[0]+LINE_OFFSET
, field2screen_c(f
.p
[1]));
299 fputs (op
.scheme
->mouse_highlight
, stdout
);
302 partial_show_minefield (f
.p
[0], f
.p
[1], NORMAL
);
303 if (f
.p
[0] > 0) f
.p
[0]--;
304 move (f
.p
[0]+LINE_OFFSET
, field2screen_c(f
.p
[1]));
305 fputs (op
.scheme
->mouse_highlight
, stdout
);
308 partial_show_minefield (f
.p
[0], f
.p
[1], NORMAL
);
309 if (f
.p
[1] < f
.w
-1) f
.p
[1]++;
310 move (f
.p
[0]+LINE_OFFSET
, field2screen_c(f
.p
[1]));
311 fputs (op
.scheme
->mouse_highlight
, stdout
);
314 partial_show_minefield (f
.p
[0], f
.p
[1], NORMAL
);
316 if (f
.p
[1] >= f
.w
) f
.p
[1] = f
.w
-1;
317 move (f
.p
[0]+LINE_OFFSET
, field2screen_c(f
.p
[1]));
318 fputs (op
.scheme
->mouse_highlight
, stdout
);
321 partial_show_minefield (f
.p
[0], f
.p
[1], NORMAL
);
323 if (f
.p
[1] < 0) f
.p
[1] = 0;
324 move (f
.p
[0]+LINE_OFFSET
, field2screen_c(f
.p
[1]));
325 fputs (op
.scheme
->mouse_highlight
, stdout
);
328 partial_show_minefield (f
.p
[0], f
.p
[1], NORMAL
);
330 if (f
.p
[0] < 0) f
.p
[0] = 0;
331 move (f
.p
[0]+LINE_OFFSET
, field2screen_c(f
.p
[1]));
332 fputs (op
.scheme
->mouse_highlight
, stdout
);
335 partial_show_minefield (f
.p
[0], f
.p
[1], NORMAL
);
337 if (f
.p
[0] >= f
.h
-1) f
.p
[0] = f
.h
-1;
338 move (f
.p
[0]+LINE_OFFSET
, field2screen_c(f
.p
[1]));
339 fputs (op
.scheme
->mouse_highlight
, stdout
);
343 case '\014': /* Ctrl-L -- redraw */
344 show_minefield (NORMAL
);
349 fill_minefield (-1, -1);
351 setitimer (ITIMER_REAL
, &tbuf
, NULL
);
353 show_minefield (cheatmode
?NORMAL
:SHOWMINES
);
354 cheatmode
= !cheatmode
;
362 tbuf
.it_value
.tv_sec
= 0;
363 tbuf
.it_value
.tv_usec
= 0;
364 if ( setitimer(ITIMER_REAL
, &tbuf
, NULL
) == -1 ) {
368 show_minefield (SHOWMINES
);
371 unsigned char mouse
[3];
372 gotaction
= getch(mouse
);
373 /* :D clicked: TODO: won't work in single-width mode! */
374 if (gotaction
==CTRSEQ_MOUSE_LEFT
&& mouse
[2]==LINE_OFFSET
-1 &&
375 (mouse
[1]==f
.w
+COL_OFFSET
|| mouse
[1]==f
.w
+COL_OFFSET
+1)) {
378 } else if (gotaction
== 'q') {
388 move(f
.h
+LINE_OFFSET
+2, 0);
389 /* disable mouse, show cursor */
390 printf ("\033[?9l\033[?25h");
392 restore_term_mode(saved_term_mode
);
395 /* I haven't won as long as a cell exists, that
396 - I haven't opened, and
398 int everything_opened () {
399 for (int row
= 0; row
< f
.h
; row
++)
400 for (int col
= 0; col
< f
.w
; col
++)
401 if (f
.c
[row
][col
].o
== CLOSED
&&
402 f
.c
[row
][col
].m
== NO_MINE
) return 0;
406 int wait_mouse_up (int l
, int c
) {
407 unsigned char mouse2
[3];
412 move (1, field2screen_c (f
.w
/2)-1); print (":o");
414 if (!(l
< 0 || l
>= f
.h
|| c
< 0 || c
>= f
.w
)) {
415 /* show a pushed-in button if cursor is on minefield */
416 move (l
+LINE_OFFSET
, field2screen_c(c
));
417 fputs (op
.scheme
->mouse_highlight
, stdout
);
421 if (getctrlseq (mouse2
) == CTRSEQ_MOUSE
) {
422 /* ignore mouse wheel events: */
423 if (mouse2
[0] & 0x40) continue;
425 else if (mouse2
[0]&3 == 3) level
--; /* release event */
426 else level
++; /* another button pressed */
430 move (1, field2screen_c (f
.w
/2)-1); print (":D");
431 if (!(l
< 0 || l
>= f
.h
|| c
< 0 || c
>= f
.w
)) {
432 partial_show_minefield (l
, c
, NORMAL
);
434 c2
= screen2field_c(mouse2
[1]);
435 l2
= screen2field_l(mouse2
[2]);
436 return ((l2
== l
) && (c2
== c
));
439 int choord_square (int line
, int col
) {
440 for (int l
= MAX(line
-1, 0); l
<= MIN(line
+1, f
.h
-1); l
++) {
441 for (int c
= MAX(col
-1, 0); c
<= MIN(col
+1, f
.w
-1); c
++) {
442 if (f
.c
[l
][c
].f
!= FLAG
) {
443 if (uncover_square (l
, c
))
452 int uncover_square (int l
, int c
) {
453 f
.c
[l
][c
].o
= OPENED
;
454 partial_show_minefield (l
, c
, NORMAL
);
457 f
.c
[l
][c
].m
= DEATH_MINE
;
461 /* check for chording */
462 if (f
.c
[l
][c
].n
== 0) {
463 for (int choord_l
= -1; choord_l
<= 1; choord_l
++) {
464 for (int choord_c
= -1; choord_c
<= 1; choord_c
++) {
465 int newl
= l
+ choord_l
;
466 int newc
= c
+ choord_c
;
467 if (newl
>= 0 && newl
< f
.h
&&
468 newc
>= 0 && newc
< f
.w
&&
469 f
.c
[newl
][newc
].o
== CLOSED
&&
470 uncover_square (newl
, newc
)) {
480 void flag_square (int l
, int c
) {
481 /* cycles through flag/quesm/noflag (uses op.mode to detect which ones
483 f
.c
[l
][c
].f
= (f
.c
[l
][c
].f
+ 1) % (op
.mode
+ 1);
484 if (f
.c
[l
][c
].f
==FLAG
) f
.f
++;
486 partial_show_minefield (l
, c
, NORMAL
);
487 move (1, op
.scheme
->cell_width
);
488 printf ("[%03d]", f
.f
);
491 void fill_minefield (int l
, int c
) {
495 int line
= rand() % f
.h
;
496 int col
= rand() % f
.w
;
498 if (f
.c
[line
][col
].m
) {
499 /* skip if field already has a mine */
501 } else if ((line
== l
) && (col
== c
)) {
502 /* don't put a mine on the already opened (first click) field */
506 f
.c
[line
][col
].m
= STD_MINE
;
510 /* precalculate neighbours */
511 for (int l
=0; l
< f
.h
; l
++)
512 for (int c
=0; c
< f
.w
; c
++)
513 f
.c
[l
][c
].n
= get_neighbours (l
, c
, NORMAL
);
516 void move (int line
, int col
) {
517 printf ("\033[%d;%dH", line
+1, col
+1);
520 void partial_show_minefield (int l
, int c
, int mode
) {
521 move (l
+LINE_OFFSET
, field2screen_c(c
));
523 if (f
.c
[l
][c
].f
== FLAG
) print (op
.scheme
->field_flagged
);
524 else if (f
.c
[l
][c
].f
== QUESM
) print (op
.scheme
->field_question
);
525 else if (f
.c
[l
][c
].o
== CLOSED
) print (op
.scheme
->field_closed
);
526 else if (f
.c
[l
][c
].m
== STD_MINE
||
527 f
.c
[l
][c
].m
== DEATH_MINE
) print (op
.scheme
->mine_normal
);
528 else /*.......................*/ print (op
.scheme
->number
[f
.c
[l
][c
].n
]);
531 void show_minefield (int mode
) {
539 dtime
= difftime (time(NULL
), f
.t
);
543 print (op
.scheme
->border_top_l
);
544 printm (f
.w
*op
.scheme
->cell_width
,op
.scheme
->border_top_m
);
545 printf ("%s\r\n", op
.scheme
->border_top_r
);
547 print (op
.scheme
->border_status_l
);
548 printf("[%03d]", f
.f
);
549 printm (f
.w
*op
.scheme
->cell_width
/2-6, " ");
550 printf ("%s", mode
==SHOWMINES
?":C":":D");
551 printm (f
.w
*op
.scheme
->cell_width
/2-6, " ");
552 printf ("[%03d]", dtime
);
553 print (op
.scheme
->border_status_r
);
556 print (op
.scheme
->border_spacer_l
);
557 printm (f
.w
*op
.scheme
->cell_width
,op
.scheme
->border_spacer_m
);
558 print (op
.scheme
->border_spacer_r
);
561 for (int l
= 0; l
< f
.h
; l
++) {
562 print (op
.scheme
->border_field_l
);
563 for (int c
= 0; c
< f
.w
; c
++) {
564 if (mode
== SHOWMINES
) {
565 if (f
.c
[l
][c
].f
== FLAG
&&
566 f
.c
[l
][c
].m
) print (op
.scheme
->field_flagged
);
567 else if (f
.c
[l
][c
].f
== FLAG
&&
568 f
.c
[l
][c
].m
== NO_MINE
) print (op
.scheme
->mine_wrongf
);
569 else if (f
.c
[l
][c
].m
== STD_MINE
) print (op
.scheme
->mine_normal
);
570 else if (f
.c
[l
][c
].m
== DEATH_MINE
) print (op
.scheme
->mine_death
);
571 else if (f
.c
[l
][c
].o
== CLOSED
) print (op
.scheme
->field_closed
);
572 else /*.......................*/ print (op
.scheme
->number
[f
.c
[l
][c
].n
]);
574 if (f
.c
[l
][c
].f
== FLAG
) print (op
.scheme
->field_flagged
);
575 else if (f
.c
[l
][c
].f
== QUESM
) print (op
.scheme
->field_question
);
576 else if (f
.c
[l
][c
].o
== CLOSED
) print (op
.scheme
->field_closed
);
577 else if (f
.c
[l
][c
].m
== STD_MINE
) print (op
.scheme
->mine_normal
);
578 else if (f
.c
[l
][c
].m
== DEATH_MINE
) print (op
.scheme
->mine_death
);
579 else /*.......................*/ print (op
.scheme
->number
[f
.c
[l
][c
].n
]);
582 print (op
.scheme
->border_field_r
); print ("\r\n");
585 print (op
.scheme
->border_bottom_l
);
586 printm (f
.w
*op
.scheme
->cell_width
,op
.scheme
->border_bottom_m
);
587 print (op
.scheme
->border_bottom_r
);
591 int get_neighbours (int line
, int col
, int reduced_mode
) {
592 /* counts mines surrounding a square
593 modes: 0=normal; 1=reduced */
597 for (int l
= MAX(line
-1, 0); l
<= MIN(line
+1, f
.h
-1); l
++) {
598 for (int c
= MAX(col
-1, 0); c
<= MIN(col
+1, f
.w
-1); c
++) {
599 if (!l
&& !c
) continue;
601 count
+= !!f
.c
[l
][c
].m
;
602 count
-= reduced_mode
* f
.c
[l
][c
].f
==FLAG
;
608 struct minecell
** alloc_array (int lines
, int cols
) {
609 struct minecell
** a
= malloc (lines
* sizeof(struct minecell
*));
610 if (a
== NULL
) return NULL
;
611 for (int l
= 0; l
< lines
; l
++) {
612 a
[l
] = calloc (cols
, sizeof(struct minecell
));
613 if (a
[l
] == NULL
) goto unalloc
;
618 for (int l
= 0; l
< lines
; l
++)
624 if (f
.c
== NULL
) return; /* quit() could be called before alloc_array() */
625 for (int l
= 0; l
< f
.h
; l
++) {
631 int screen2field_l (int l
) {
632 return (l
-LINE_OFFSET
) - 1;
634 /* some trickery is required to extract the mouse position from the cell width,
635 depending on wheather we are using full width characters or double line width.
636 WARN: tested only with scheme.cell_width = 1 and scheme.cell_width = 2. */
637 int screen2field_c (int c
) {
638 return (c
-COL_OFFSET
+1 - 2*(op
.scheme
->cell_width
%2))/2 - op
.scheme
->cell_width
/2;
640 int field2screen_l (int l
) {
641 return 0; //TODO: is never used, therefore not implemented
643 int field2screen_c (int c
) {
644 return (op
.scheme
->cell_width
*c
+COL_OFFSET
- (op
.scheme
->cell_width
%2));
653 int getctrlseq (unsigned char* buf
) {
656 int offset
= 0x20; /* never sends control chars as data */
657 while ((c
= getchar()) != EOF
) {
661 case '\033': state
=ESC_SENT
; break;
667 case '[': state
=CSI_SENT
; break;
668 default: return CTRSEQ_INVALID
;
673 case 'M': state
=MOUSE_EVENT
; break;
674 default: return CTRSEQ_INVALID
;
679 buf
[1] = getchar() - offset
;
680 buf
[2] = getchar() - offset
;
683 return CTRSEQ_INVALID
;
689 int getch(unsigned char* buf
) {
690 /* returns a character, EOF, or constant for an escape/control sequence - NOT
691 compatible with the ncurses implementation of same name */
692 int action
= getctrlseq(buf
);
696 l
= screen2field_l (buf
[2]);
697 c
= screen2field_c (buf
[1]);
699 if (buf
[0] > 3) break; /* ignore all but left/middle/right/up */
700 int success
= wait_mouse_up(l
, c
);
702 /* mouse moved while pressed: */
703 if (!success
) return CTRSEQ_INVALID
;
706 case 0: return CTRSEQ_MOUSE_LEFT
;
707 case 1: return CTRSEQ_MOUSE_MIDDLE
;
708 case 2: return CTRSEQ_MOUSE_RIGHT
;