xref: /netbsd/games/hack/hack.pri.c (revision 98eb8895)
1 /*	$NetBSD: hack.pri.c,v 1.13 2010/02/03 15:34:38 roy Exp $	*/
2 
3 /*
4  * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
5  * Amsterdam
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions are
10  * met:
11  *
12  * - Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * - Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in the
17  * documentation and/or other materials provided with the distribution.
18  *
19  * - Neither the name of the Stichting Centrum voor Wiskunde en
20  * Informatica, nor the names of its contributors may be used to endorse or
21  * promote products derived from this software without specific prior
22  * written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
25  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
27  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
28  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
30  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
31  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
32  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
34  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35  */
36 
37 /*
38  * Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
39  * All rights reserved.
40  *
41  * Redistribution and use in source and binary forms, with or without
42  * modification, are permitted provided that the following conditions
43  * are met:
44  * 1. Redistributions of source code must retain the above copyright
45  *    notice, this list of conditions and the following disclaimer.
46  * 2. Redistributions in binary form must reproduce the above copyright
47  *    notice, this list of conditions and the following disclaimer in the
48  *    documentation and/or other materials provided with the distribution.
49  * 3. The name of the author may not be used to endorse or promote products
50  *    derived from this software without specific prior written permission.
51  *
52  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
53  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
54  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
55  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
56  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
57  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
58  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
59  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
60  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
61  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62  */
63 
64 #include <sys/cdefs.h>
65 #ifndef lint
66 __RCSID("$NetBSD: hack.pri.c,v 1.13 2010/02/03 15:34:38 roy Exp $");
67 #endif				/* not lint */
68 
69 #include "hack.h"
70 #include "extern.h"
71 
72 static xchar scrlx, scrhx, scrly, scrhy;	/* corners of new area on
73 						 * screen */
74 
75 static void cornbot(int);
76 
77 void
swallowed(void)78 swallowed(void)
79 {
80 	char            ulook[] = "|@|";
81 	ulook[1] = u.usym;
82 
83 	cls();
84 	curs(u.ux - 1, u.uy + 1);
85 	fputs("/-\\", stdout);
86 	curx = u.ux + 2;
87 	curs(u.ux - 1, u.uy + 2);
88 	fputs(ulook, stdout);
89 	curx = u.ux + 2;
90 	curs(u.ux - 1, u.uy + 3);
91 	fputs("\\-/", stdout);
92 	curx = u.ux + 2;
93 	u.udispl = 1;
94 	u.udisx = u.ux;
95 	u.udisy = u.uy;
96 }
97 
98 
99 /* VARARGS1 */
100 static boolean panicking;
101 
102 void
panic(const char * fmt,...)103 panic(const char *fmt, ...)
104 {
105 	va_list ap;
106 
107 	va_start(ap, fmt);
108 	if (panicking++)
109 		exit(1);	/* avoid loops - this should never happen */
110 	home();
111 	puts(" Suddenly, the dungeon collapses.");
112 	fputs(" ERROR:  ", stdout);
113 	vprintf(fmt, ap);
114 	va_end(ap);
115 #ifdef DEBUG
116 #ifdef UNIX
117 	if (!fork())
118 		abort();	/* generate core dump */
119 #endif	/* UNIX */
120 #endif	/* DEBUG */
121 	more();			/* contains a fflush() */
122 	done("panicked");
123 }
124 
125 void
atl(int x,int y,int ch)126 atl(int x, int y, int ch)
127 {
128 	struct rm      *crm = &levl[x][y];
129 
130 	if (x < 0 || x > COLNO - 1 || y < 0 || y > ROWNO - 1) {
131 		impossible("atl(%d,%d,%c)", x, y, ch);
132 		return;
133 	}
134 	if (crm->seen && crm->scrsym == ch)
135 		return;
136 	crm->scrsym = ch;
137 	crm->new = 1;
138 	on_scr(x, y);
139 }
140 
141 void
on_scr(int x,int y)142 on_scr(int x, int y)
143 {
144 	if (x < scrlx)
145 		scrlx = x;
146 	if (x > scrhx)
147 		scrhx = x;
148 	if (y < scrly)
149 		scrly = y;
150 	if (y > scrhy)
151 		scrhy = y;
152 }
153 
154 /*
155  * call: (x,y) - display (-1,0) - close (leave last symbol) (-1,-1)- close
156  * (undo last symbol) (-1,let)-open: initialize symbol (-2,let)-change let
157  */
158 
159 void
tmp_at(schar x,schar y)160 tmp_at(schar x, schar y)
161 {
162 	static schar    prevx, prevy;
163 	static char     let;
164 	if ((int) x == -2) {	/* change let call */
165 		let = y;
166 		return;
167 	}
168 	if ((int) x == -1 && (int) y >= 0) {	/* open or close call */
169 		let = y;
170 		prevx = -1;
171 		return;
172 	}
173 	if (prevx >= 0 && cansee(prevx, prevy)) {
174 		delay_output();
175 		prl(prevx, prevy);	/* in case there was a monster */
176 		at(prevx, prevy, levl[prevx][prevy].scrsym);
177 	}
178 	if (x >= 0) {		/* normal call */
179 		if (cansee(x, y))
180 			at(x, y, let);
181 		prevx = x;
182 		prevy = y;
183 	} else {		/* close call */
184 		let = 0;
185 		prevx = -1;
186 	}
187 }
188 
189 /* like the previous, but the symbols are first erased on completion */
190 void
Tmp_at(schar x,schar y)191 Tmp_at(schar x, schar y)
192 {
193 	static char     let;
194 	static xchar    cnt;
195 	static coord    tc[COLNO];	/* but watch reflecting beams! */
196 	int xx, yy;
197 	if ((int) x == -1) {
198 		if (y > 0) {	/* open call */
199 			let = y;
200 			cnt = 0;
201 			return;
202 		}
203 		/* close call (do not distinguish y==0 and y==-1) */
204 		while (cnt--) {
205 			xx = tc[cnt].x;
206 			yy = tc[cnt].y;
207 			prl(xx, yy);
208 			at(xx, yy, levl[xx][yy].scrsym);
209 		}
210 		cnt = let = 0;	/* superfluous */
211 		return;
212 	}
213 	if ((int) x == -2) {	/* change let call */
214 		let = y;
215 		return;
216 	}
217 	/* normal call */
218 	if (cansee(x, y)) {
219 		if (cnt)
220 			delay_output();
221 		at(x, y, let);
222 		tc[cnt].x = x;
223 		tc[cnt].y = y;
224 		if (++cnt >= COLNO)
225 			panic("Tmp_at overflow?");
226 		levl[x][y].new = 0;	/* prevent pline-nscr erasing --- */
227 	}
228 }
229 
230 void
setclipped(void)231 setclipped(void)
232 {
233 	error("Hack needs a screen of size at least %d by %d.\n",
234 	      ROWNO + 2, COLNO);
235 }
236 
237 void
at(xchar x,xchar y,int ch)238 at(xchar x, xchar y, int ch)
239 {
240 #ifndef lint
241 	/* if xchar is unsigned, lint will complain about  if(x < 0)  */
242 	if (x < 0 || x > COLNO - 1 || y < 0 || y > ROWNO - 1) {
243 		impossible("At gets 0%o at %d %d.", ch, x, y);
244 		return;
245 	}
246 #endif	/* lint */
247 	if (!ch) {
248 		impossible("At gets null at %d %d.", x, y);
249 		return;
250 	}
251 	y += 2;
252 	curs(x, y);
253 	(void) putchar(ch);
254 	curx++;
255 }
256 
257 void
prme(void)258 prme(void)
259 {
260 	if (!Invisible)
261 		at(u.ux, u.uy, u.usym);
262 }
263 
264 int
doredraw(void)265 doredraw(void)
266 {
267 	docrt();
268 	return (0);
269 }
270 
271 void
docrt(void)272 docrt(void)
273 {
274 	int x, y;
275 	struct rm      *room;
276 	struct monst   *mtmp;
277 
278 	if (u.uswallow) {
279 		swallowed();
280 		return;
281 	}
282 	cls();
283 
284 	/*
285 	 * Some ridiculous code to get display of @ and monsters (almost)
286 	 * right
287 	 */
288 	if (!Invisible) {
289 		levl[(u.udisx = u.ux)][(u.udisy = u.uy)].scrsym = u.usym;
290 		levl[u.udisx][u.udisy].seen = 1;
291 		u.udispl = 1;
292 	} else
293 		u.udispl = 0;
294 
295 	seemons();		/* reset old positions */
296 	for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
297 		mtmp->mdispl = 0;
298 	seemons();		/* force new positions to be shown */
299 	/*
300 	 * This nonsense should disappear soon
301 	 * ---------------------------------
302 	 */
303 
304 	for (y = 0; y < ROWNO; y++)
305 		for (x = 0; x < COLNO; x++)
306 			if ((room = &levl[x][y])->new) {
307 				room->new = 0;
308 				at(x, y, room->scrsym);
309 			} else if (room->seen)
310 				at(x, y, room->scrsym);
311 	scrlx = COLNO;
312 	scrly = ROWNO;
313 	scrhx = scrhy = 0;
314 	flags.botlx = 1;
315 	bot();
316 }
317 
318 void
docorner(int xmin,int ymax)319 docorner(int xmin, int ymax)
320 {
321 	int x, y;
322 	struct rm      *room;
323 	struct monst   *mtmp;
324 
325 	if (u.uswallow) {	/* Can be done more efficiently */
326 		swallowed();
327 		return;
328 	}
329 	seemons();		/* reset old positions */
330 	for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
331 		if (mtmp->mx >= xmin && mtmp->my < ymax)
332 			mtmp->mdispl = 0;
333 	seemons();		/* force new positions to be shown */
334 
335 	for (y = 0; y < ymax; y++) {
336 		if (y > ROWNO && CD)
337 			break;
338 		curs(xmin, y + 2);
339 		cl_end();
340 		if (y < ROWNO) {
341 			for (x = xmin; x < COLNO; x++) {
342 				if ((room = &levl[x][y])->new) {
343 					room->new = 0;
344 					at(x, y, room->scrsym);
345 				} else if (room->seen)
346 					at(x, y, room->scrsym);
347 			}
348 		}
349 	}
350 	if (ymax > ROWNO) {
351 		cornbot(xmin - 1);
352 		if (ymax > ROWNO + 1 && CD) {
353 			curs(1, ROWNO + 3);
354 			cl_eos();
355 		}
356 	}
357 }
358 
359 void
curs_on_u(void)360 curs_on_u(void)
361 {
362 	curs(u.ux, u.uy + 2);
363 }
364 
365 void
pru(void)366 pru(void)
367 {
368 	if (u.udispl && (Invisible || u.udisx != u.ux || u.udisy != u.uy))
369 		/* if(! levl[u.udisx][u.udisy].new) */
370 		if (!vism_at(u.udisx, u.udisy))
371 			newsym(u.udisx, u.udisy);
372 	if (Invisible) {
373 		u.udispl = 0;
374 		prl(u.ux, u.uy);
375 	} else if (!u.udispl || u.udisx != u.ux || u.udisy != u.uy) {
376 		atl(u.ux, u.uy, u.usym);
377 		u.udispl = 1;
378 		u.udisx = u.ux;
379 		u.udisy = u.uy;
380 	}
381 	levl[u.ux][u.uy].seen = 1;
382 }
383 
384 #ifndef NOWORM
385 #include	"def.wseg.h"
386 #endif	/* NOWORM */
387 
388 /* print a position that is visible for @ */
389 void
prl(int x,int y)390 prl(int x, int y)
391 {
392 	struct rm      *room;
393 	struct monst   *mtmp;
394 	struct obj     *otmp;
395 
396 	if (x == u.ux && y == u.uy && (!Invisible)) {
397 		pru();
398 		return;
399 	}
400 	if (!isok(x, y))
401 		return;
402 	room = &levl[x][y];
403 	if ((!room->typ) ||
404 	    (IS_ROCK(room->typ) && levl[u.ux][u.uy].typ == CORR))
405 		return;
406 	if ((mtmp = m_at(x, y)) && !mtmp->mhide &&
407 	    (!mtmp->minvis || See_invisible)) {
408 #ifndef NOWORM
409 		if (m_atseg)
410 			pwseg(m_atseg);
411 		else
412 #endif	/* NOWORM */
413 			pmon(mtmp);
414 	} else if ((otmp = o_at(x, y)) && room->typ != POOL)
415 		atl(x, y, otmp->olet);
416 	else if (mtmp && (!mtmp->minvis || See_invisible)) {
417 		/* must be a hiding monster, but not hiding right now */
418 		/* assume for the moment that long worms do not hide */
419 		pmon(mtmp);
420 	} else if (g_at(x, y) && room->typ != POOL)
421 		atl(x, y, '$');
422 	else if (!room->seen || room->scrsym == ' ') {
423 		room->new = room->seen = 1;
424 		newsym(x, y);
425 		on_scr(x, y);
426 	}
427 	room->seen = 1;
428 }
429 
430 char
news0(xchar x,xchar y)431 news0(xchar x, xchar y)
432 {
433 	struct obj     *otmp;
434 	struct trap    *ttmp;
435 	struct rm      *room;
436 	char            tmp;
437 
438 	room = &levl[x][y];
439 	if (!room->seen)
440 		tmp = ' ';
441 	else if (room->typ == POOL)
442 		tmp = POOL_SYM;
443 	else if (!Blind && (otmp = o_at(x, y)))
444 		tmp = otmp->olet;
445 	else if (!Blind && g_at(x, y))
446 		tmp = '$';
447 	else if (x == xupstair && y == yupstair)
448 		tmp = '<';
449 	else if (x == xdnstair && y == ydnstair)
450 		tmp = '>';
451 	else if ((ttmp = t_at(x, y)) && ttmp->tseen)
452 		tmp = '^';
453 	else
454 		switch (room->typ) {
455 		case SCORR:
456 		case SDOOR:
457 			tmp = room->scrsym;	/* %% wrong after killing
458 						 * mimic ! */
459 			break;
460 		case HWALL:
461 			tmp = '-';
462 			break;
463 		case VWALL:
464 			tmp = '|';
465 			break;
466 		case LDOOR:
467 		case DOOR:
468 			tmp = '+';
469 			break;
470 		case CORR:
471 			tmp = CORR_SYM;
472 			break;
473 		case ROOM:
474 			if (room->lit || cansee(x, y) || Blind)
475 				tmp = '.';
476 			else
477 				tmp = ' ';
478 			break;
479 			/*
480 				case POOL:
481 					tmp = POOL_SYM;
482 					break;
483 			*/
484 		default:
485 			tmp = ERRCHAR;
486 		}
487 	return (tmp);
488 }
489 
490 void
newsym(int x,int y)491 newsym(int x, int y)
492 {
493 	atl(x, y, news0(x, y));
494 }
495 
496 /* used with wand of digging (or pick-axe): fill scrsym and force display */
497 /* also when a POOL evaporates */
498 void
mnewsym(int x,int y)499 mnewsym(int x, int y)
500 {
501 	struct rm      *room;
502 	char            newscrsym;
503 
504 	if (!vism_at(x, y)) {
505 		room = &levl[x][y];
506 		newscrsym = news0(x, y);
507 		if (room->scrsym != newscrsym) {
508 			room->scrsym = newscrsym;
509 			room->seen = 0;
510 		}
511 	}
512 }
513 
514 void
nosee(int x,int y)515 nosee(int x, int y)
516 {
517 	struct rm      *room;
518 
519 	if (!isok(x, y))
520 		return;
521 	room = &levl[x][y];
522 	if (room->scrsym == '.' && !room->lit && !Blind) {
523 		room->scrsym = ' ';
524 		room->new = 1;
525 		on_scr(x, y);
526 	}
527 }
528 
529 #ifndef QUEST
530 void
prl1(int x,int y)531 prl1(int x, int y)
532 {
533 	if (u.dx) {
534 		if (u.dy) {
535 			prl(x - (2 * u.dx), y);
536 			prl(x - u.dx, y);
537 			prl(x, y);
538 			prl(x, y - u.dy);
539 			prl(x, y - (2 * u.dy));
540 		} else {
541 			prl(x, y - 1);
542 			prl(x, y);
543 			prl(x, y + 1);
544 		}
545 	} else {
546 		prl(x - 1, y);
547 		prl(x, y);
548 		prl(x + 1, y);
549 	}
550 }
551 
552 void
nose1(int x,int y)553 nose1(int x, int y)
554 {
555 	if (u.dx) {
556 		if (u.dy) {
557 			nosee(x, u.uy);
558 			nosee(x, u.uy - u.dy);
559 			nosee(x, y);
560 			nosee(u.ux - u.dx, y);
561 			nosee(u.ux, y);
562 		} else {
563 			nosee(x, y - 1);
564 			nosee(x, y);
565 			nosee(x, y + 1);
566 		}
567 	} else {
568 		nosee(x - 1, y);
569 		nosee(x, y);
570 		nosee(x + 1, y);
571 	}
572 }
573 #endif	/* QUEST */
574 
575 int
vism_at(int x,int y)576 vism_at(int x, int y)
577 {
578 	struct monst   *mtmp;
579 
580 	return ((x == u.ux && y == u.uy && !Invisible)
581 		? 1 :
582 		(mtmp = m_at(x, y))
583 		? ((Blind && Telepat) || canseemon(mtmp)) :
584 		0);
585 }
586 
587 #ifdef NEWSCR
588 void
pobj(struct obj * obj)589 pobj(struct obj *obj)
590 {
591 	int             show = (!obj->oinvis || See_invisible) &&
592 	cansee(obj->ox, obj->oy);
593 	if (obj->odispl) {
594 		if (obj->odx != obj->ox || obj->ody != obj->oy || !show)
595 			if (!vism_at(obj->odx, obj->ody)) {
596 				newsym(obj->odx, obj->ody);
597 				obj->odispl = 0;
598 			}
599 	}
600 	if (show && !vism_at(obj->ox, obj->oy)) {
601 		atl(obj->ox, obj->oy, obj->olet);
602 		obj->odispl = 1;
603 		obj->odx = obj->ox;
604 		obj->ody = obj->oy;
605 	}
606 }
607 #endif	/* NEWSCR */
608 
609 void
unpobj(struct obj * obj)610 unpobj(struct obj *obj)
611 {
612 	/*
613 	 * if(obj->odispl){ if(!vism_at(obj->odx, obj->ody)) newsym(obj->odx,
614 	 * obj->ody); obj->odispl = 0; }
615 	 */
616 	if (!vism_at(obj->ox, obj->oy))
617 		newsym(obj->ox, obj->oy);
618 }
619 
620 void
seeobjs(void)621 seeobjs(void)
622 {
623 	struct obj     *obj, *obj2;
624 	for (obj = fobj; obj; obj = obj2) {
625 		obj2 = obj->nobj;
626 		if (obj->olet == FOOD_SYM && obj->otyp >= CORPSE
627 		    && obj->age + 250 < moves)
628 			delobj(obj);
629 	}
630 	for (obj = invent; obj; obj = obj2) {
631 		obj2 = obj->nobj;
632 		if (obj->olet == FOOD_SYM && obj->otyp >= CORPSE
633 		    && obj->age + 250 < moves)
634 			useup(obj);
635 	}
636 }
637 
638 void
seemons(void)639 seemons(void)
640 {
641 	struct monst   *mtmp;
642 	for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
643 		if (mtmp->data->mlet == ';')
644 			mtmp->minvis = (u.ustuck != mtmp &&
645 				      levl[mtmp->mx][mtmp->my].typ == POOL);
646 		pmon(mtmp);
647 #ifndef NOWORM
648 		if (mtmp->wormno)
649 			wormsee(mtmp->wormno);
650 #endif	/* NOWORM */
651 	}
652 }
653 
654 void
pmon(struct monst * mon)655 pmon(struct monst *mon)
656 {
657 	int             show = (Blind && Telepat) || canseemon(mon);
658 	if (mon->mdispl) {
659 		if (mon->mdx != mon->mx || mon->mdy != mon->my || !show)
660 			unpmon(mon);
661 	}
662 	if (show && !mon->mdispl) {
663 		atl(mon->mx, mon->my,
664 		    (!mon->mappearance
665 		|| u.uprops[PROP(RIN_PROTECTION_FROM_SHAPE_CHANGERS)].p_flgs
666 		     ) ? mon->data->mlet : mon->mappearance);
667 		mon->mdispl = 1;
668 		mon->mdx = mon->mx;
669 		mon->mdy = mon->my;
670 	}
671 }
672 
673 void
unpmon(struct monst * mon)674 unpmon(struct monst *mon)
675 {
676 	if (mon->mdispl) {
677 		newsym(mon->mdx, mon->mdy);
678 		mon->mdispl = 0;
679 	}
680 }
681 
682 void
nscr(void)683 nscr(void)
684 {
685 	int x, y;
686 	struct rm      *room;
687 
688 	if (u.uswallow || u.ux == FAR || flags.nscrinh)
689 		return;
690 	pru();
691 	for (y = scrly; y <= scrhy; y++)
692 		for (x = scrlx; x <= scrhx; x++)
693 			if ((room = &levl[x][y])->new) {
694 				room->new = 0;
695 				at(x, y, room->scrsym);
696 			}
697 	scrhx = scrhy = 0;
698 	scrlx = COLNO;
699 	scrly = ROWNO;
700 }
701 
702 /* 100 suffices for bot(); no relation with COLNO */
703 static char oldbot[100], newbot[100];
704 void
cornbot(int lth)705 cornbot(int lth)
706 {
707 	if ((unsigned)lth < sizeof(oldbot)) {
708 		oldbot[lth] = 0;
709 		flags.botl = 1;
710 	}
711 }
712 
713 void
bot(void)714 bot(void)
715 {
716 	char           *ob = oldbot, *nb = newbot;
717 	int             i;
718 	size_t pos;
719 
720 	if (flags.botlx)
721 		*ob = 0;
722 	flags.botl = flags.botlx = 0;
723 #ifdef GOLD_ON_BOTL
724 	(void) snprintf(newbot, sizeof(newbot),
725 		       "Level %-2d  Gold %-5lu  Hp %3d(%d)  Ac %-2d  Str ",
726 		       dlevel, u.ugold, u.uhp, u.uhpmax, u.uac);
727 #else
728 	(void) snprintf(newbot, sizeof(newbot),
729 		       "Level %-2d   Hp %3d(%d)   Ac %-2d   Str ",
730 		       dlevel, u.uhp, u.uhpmax, u.uac);
731 #endif	/* GOLD_ON_BOTL */
732 	if (u.ustr > 18) {
733 		if (u.ustr > 117)
734 			(void) strlcat(newbot, "18/**", sizeof(newbot));
735 		else {
736 			pos = strlen(newbot);
737 			(void) snprintf(newbot+pos, sizeof(newbot)-pos,
738 					"18/%02d", u.ustr - 18);
739 		}
740 	} else {
741 		pos = strlen(newbot);
742 		(void) snprintf(newbot+pos, sizeof(newbot)-pos,
743 				"%-2d   ", u.ustr);
744 	}
745 	pos = strlen(newbot);
746 #ifdef EXP_ON_BOTL
747 	(void) snprintf(newbot+pos, sizeof(newbot)-pos,
748 			"  Exp %2d/%-5lu ", u.ulevel, u.uexp);
749 #else
750 	(void) snprintf(newbot+pos, sizeof(newbot)-pos,
751 			"   Exp %2u  ", u.ulevel);
752 #endif	/* EXP_ON_BOTL */
753 	(void) strlcat(newbot, hu_stat[u.uhs], sizeof(newbot));
754 	if (flags.time) {
755 		pos = strlen(newbot);
756 		(void) snprintf(newbot+pos, sizeof(newbot)-pos,
757 				"  %ld", moves);
758 	}
759 	if (strlen(newbot) >= COLNO) {
760 		char           *bp0, *bp1;
761 		bp0 = bp1 = newbot;
762 		do {
763 			if (*bp0 != ' ' || bp0[1] != ' ' || bp0[2] != ' ')
764 				*bp1++ = *bp0;
765 		} while (*bp0++);
766 	}
767 	for (i = 1; i < COLNO; i++) {
768 		if (*ob != *nb) {
769 			curs(i, ROWNO + 2);
770 			(void) putchar(*nb ? *nb : ' ');
771 			curx++;
772 		}
773 		if (*ob)
774 			ob++;
775 		if (*nb)
776 			nb++;
777 	}
778 	(void) strcpy(oldbot, newbot);
779 }
780 
781 #ifdef WAN_PROBING
782 void
mstatusline(struct monst * mtmp)783 mstatusline(struct monst *mtmp)
784 {
785 	pline("Status of %s: ", monnam(mtmp));
786 	pline("Level %-2d  Gold %-5lu  Hp %3d(%d)  Ac %-2d  Dam %d",
787 	      mtmp->data->mlevel, mtmp->mgold, mtmp->mhp, mtmp->mhpmax,
788 	   mtmp->data->ac, (mtmp->data->damn + 1) * (mtmp->data->damd + 1));
789 }
790 #endif	/* WAN_PROBING */
791 
792 void
cls(void)793 cls(void)
794 {
795 	if (flags.toplin == 1)
796 		more();
797 	flags.toplin = 0;
798 
799 	clearscreen();
800 
801 	flags.botlx = 1;
802 }
803