1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.mon.c - version 1.0.3 */
3 /* $FreeBSD: src/games/hack/hack.mon.c,v 1.5 1999/11/16 10:26:37 marcel Exp $ */
4 /* $DragonFly: src/games/hack/hack.mon.c,v 1.5 2006/08/21 19:45:32 pavalos Exp $ */
7 #include "hack.mfndpos.h"
10 #define NULL (char *) 0
13 int warnlevel; /* used by movemon and dochugw */
16 static const char *warnings[] = {
17 "white", "pink", "red", "ruby", "purple", "black"
20 static int dochugw(struct monst *);
21 static void mpickgold(struct monst *);
22 static void mpickgems(struct monst *);
23 static void dmonsfree(void);
24 static bool ishuman(struct monst *);
35 /* find a monster that we haven't treated yet */
36 /* note that mtmp or mtmp->nmon might get killed
37 while mtmp moves, so we cannot just walk down the
38 chain (even new monsters might get created!) */
39 for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
40 if(mtmp->mlstmv < moves) goto next_mon;
41 /* treated all monsters */
47 /* most monsters drown in pools */
48 { boolean inpool, iseel;
50 inpool = (levl[mtmp->mx][mtmp->my].typ == POOL);
51 iseel = (mtmp->data->mlet == ';');
52 if(inpool && !iseel) {
53 if(cansee(mtmp->mx,mtmp->my))
54 pline("%s drowns.", Monnam(mtmp));
58 /* but eels have a difficult time outside */
59 if(iseel && !inpool) {
60 if(mtmp->mhp > 1) mtmp->mhp--;
65 if(mtmp->mblinded && !--mtmp->mblinded)
67 if(mtmp->mfleetim && !--mtmp->mfleetim)
69 if(mtmp->mimic) continue;
70 if(mtmp->mspeed != MSLOW || !(moves%2)){
71 /* continue if the monster died fighting */
73 if(Conflict && cansee(mtmp->mx,mtmp->my)
74 && (fr = fightm(mtmp)) == 2)
76 if(fr<0 && dochugw(mtmp))
79 if(mtmp->mspeed == MFAST && dochugw(mtmp))
83 warnlevel -= u.ulevel;
84 if(warnlevel >= SIZE(warnings))
85 warnlevel = SIZE(warnings)-1;
87 if(warnlevel > lastwarnlev || moves > lastwarntime + 5){
89 switch(Warning & (LEFT_RING | RIGHT_RING)){
91 rr = "Your left ring glows";
94 rr = "Your right ring glows";
96 case LEFT_RING | RIGHT_RING:
97 rr = "Both your rings glow";
100 rr = "Your fingertips glow";
103 pline("%s %s!", rr, warnings[warnlevel]);
104 lastwarntime = moves;
105 lastwarnlev = warnlevel;
108 dmonsfree(); /* remove all dead monsters */
112 justswld(struct monst *mtmp, const char *name)
119 kludge("%s swallows you!",name);
128 youswld(struct monst *mtmp, int dam, int die, const char *name)
130 if(mtmp != u.ustuck) return;
131 kludge("%s digests you!",name);
133 if((int)u.uswldtim++ >= die){ /* a3 */
134 pline("It totally digests you!");
137 if(u.uhp < 1) done_in_by(mtmp);
138 /* flags.botlx = 1; */ /* should we show status line ? */
142 dochugw(struct monst *mtmp)
146 int d1 = dochug(mtmp);
148 if(!d1) /* monster still alive */
151 if(mtmp->data->mlevel > warnlevel)
152 if((dd = dist(mtmp->mx,mtmp->my)) < dist(x,y))
155 warnlevel = mtmp->data->mlevel;
159 /* returns 1 if monster died moving, 0 otherwise */
161 dochug(struct monst *mtmp)
163 struct permonst *mdat;
164 int tmp = 0, nearby, scared;
166 if(mtmp->cham && !rn2(6))
167 newcham(mtmp, &mons[dlevel+14+rn2(CMNUM-14-dlevel)]);
170 panic("bad monster %c (%d)",mdat->mlet,mdat->mlevel);
172 /* regenerate monsters */
173 if((!(moves%20) || index(MREGEN, mdat->mlet)) &&
174 mtmp->mhp < mtmp->mhpmax)
177 if(mtmp->mfroz) return(0); /* frozen monsters don't do anything */
180 /* wake up, or get out of here. */
181 /* ettins are hard to surprise */
182 /* Nymphs and Leprechauns do not easily wake up */
183 if(cansee(mtmp->mx,mtmp->my) &&
184 (!Stealth || (mdat->mlet == 'e' && rn2(10))) &&
185 (!index("NL",mdat->mlet) || !rn2(50)) &&
186 (Aggravate_monster || index("d1", mdat->mlet)
187 || (!rn2(7) && !mtmp->mimic)))
192 /* not frozen or sleeping: wipe out texts written in the dust */
193 wipe_engr_at(mtmp->mx, mtmp->my, 1);
195 /* confused monsters get unconfused with small probability */
196 if(mtmp->mconf && !rn2(50)) mtmp->mconf = 0;
198 /* some monsters teleport */
199 if(mtmp->mflee && index("tNL", mdat->mlet) && !rn2(40)){
203 if(mdat->mmove < rnd(6)) return(0);
205 /* fleeing monsters might regain courage */
206 if(mtmp->mflee && !mtmp->mfleetim
207 && mtmp->mhp == mtmp->mhpmax && !rn2(25))
210 nearby = (dist(mtmp->mx, mtmp->my) < 3);
211 scared = (nearby && (sengr_at("Elbereth", u.ux, u.uy) ||
212 sobj_at(SCR_SCARE_MONSTER, u.ux, u.uy)));
213 if(scared && !mtmp->mflee) {
215 mtmp->mfleetim = (rn2(7) ? rnd(10) : rnd(100));
221 (mtmp->minvis && !rn2(3)) ||
222 (index("BIuy", mdat->mlet) && !rn2(4)) ||
223 (mdat->mlet == 'L' && !u.ugold && (mtmp->mgold || rn2(2))) ||
224 (!mtmp->mcansee && !rn2(4)) ||
227 tmp = m_move(mtmp,0); /* 2: monster died moving */
228 if(tmp == 2 || (tmp && mdat->mmove <= 12))
232 if(!index("Ea", mdat->mlet) && nearby &&
233 !mtmp->mpeaceful && u.uhp > 0 && !scared) {
235 return(1); /* monster died (e.g. 'y' or 'F') */
237 /* extra movement for fast monsters */
238 if(mdat->mmove-12 > rnd(12)) tmp = m_move(mtmp,1);
243 m_move(struct monst *mtmp, int after)
246 int nx,ny,omx,omy,appr,nearer,cnt,i,j;
247 xchar gx,gy,nix,niy,chcnt;
249 boolean likegold = 0, likegems = 0, likeobjs;
250 char msym = mtmp->data->mlet;
251 schar mmoved = 0; /* not strictly nec.: chi >= 0 will do */
255 if(mtmp->mfroz || mtmp->msleep)
259 if(i == 2) return(2); /* he died */
260 if(i == 1) return(0); /* still in trap, so didnt move */
262 if(mtmp->mhide && o_at(mtmp->mx,mtmp->my) && rn2(10))
263 return(0); /* do not leave hiding place */
270 /* my dog gets a special treatment */
272 return( dog_move(mtmp, after) );
275 /* likewise for shopkeeper */
277 mmoved = shk_move(mtmp);
280 mmoved = 0; /* follow player outside shop */
283 /* and for the guard */
289 /* teleport if that lies in our nature ('t') or when badly wounded ('1') */
290 if((msym == 't' && !rn2(5))
291 || (msym == '1' && (mtmp->mhp < 7 || (!xdnstair && !rn2(5))
292 || levl[u.ux][u.uy].typ == STAIRS))) {
293 if(mtmp->mhp < 7 || (msym == 't' && rn2(2)))
301 /* spit fire ('D') or use a wand ('1') when appropriate */
302 if(index("D1", msym))
305 if(msym == 'U' && !mtmp->mcan && canseemon(mtmp) &&
306 mtmp->mcansee && rn2(5)) {
308 pline("%s's gaze has confused you!", Monnam(mtmp));
310 pline("You are getting more and more confused.");
311 if(rn2(3)) mtmp->mcan = 1;
312 Confusion += d(3,4); /* timeout */
315 if(!mtmp->mflee && u.uswallow && u.ustuck != mtmp) return(1);
317 if(mtmp->mflee) appr = -1;
318 if(mtmp->mconf || Invis || !mtmp->mcansee ||
319 (index("BIy", msym) && !rn2(3)))
325 if(msym == 'L' && appr == 1 && mtmp->mgold > u.ugold)
328 /* random criterion for 'smell' or track finding ability
329 should use mtmp->msmell or sth
332 ('a' <= msym && msym <= 'z')) {
335 mroom = inroom(omx,omy);
336 if(mroom < 0 || mroom != inroom(u.ux,u.uy)){
337 cp = gettrack(omx,omy);
345 /* look for gold or jewels nearby */
346 likegold = (index("LOD", msym) != NULL);
347 likegems = (index("ODu", msym) != NULL);
348 likeobjs = mtmp->mhide;
349 #define SRCHRADIUS 25
350 { xchar mind = SRCHRADIUS; /* not too far away */
354 for(gold = fgold; gold; gold = gold->ngold)
355 if((dd = DIST(omx,omy,gold->gx,gold->gy)) < mind){
361 if(likegems || likeobjs){
363 for(otmp = fobj; otmp; otmp = otmp->nobj)
364 if(likeobjs || otmp->olet == GEM_SYM)
366 objects[otmp->otyp].g_val != 0)
367 if((dd = DIST(omx,omy,otmp->ox,otmp->oy)) < mind){
373 if(mind < SRCHRADIUS && appr == -1) {
374 if(dist(omx,omy) < 10) {
383 cnt = mfndpos(mtmp,poss,info,
384 msym == 'u' ? NOTONL :
385 (msym == '@' || msym == '1') ? (ALLOW_SSM | ALLOW_TRAPS) :
386 index(UNDEAD, msym) ? NOGARLIC : ALLOW_TRAPS);
387 /* ALLOW_ROCK for some monsters ? */
390 for(i=0; i<cnt; i++) {
393 for(j=0; j<MTSZ && j<cnt-1; j++)
394 if(nx == mtmp->mtrack[j].x && ny == mtmp->mtrack[j].y)
395 if(rn2(4*(cnt-j))) goto nxti;
397 /* some stupid compilers think that this is too complicated */
398 { int d1 = DIST(nx,ny,gx,gy);
399 int d2 = DIST(nix,niy,gx,gy);
403 nearer = (DIST(nx,ny,gx,gy) < DIST(nix,niy,gx,gy));
405 if((appr == 1 && nearer) || (appr == -1 && !nearer) ||
407 (!appr && !rn2(++chcnt))){
416 if(info[chi] & ALLOW_M){
417 mtmp2 = m_at(nix,niy);
418 if(hitmm(mtmp,mtmp2) == 1 && rn2(4) &&
419 hitmm(mtmp2,mtmp) == 2) return(2);
422 if(info[chi] & ALLOW_U){
423 hitu(mtmp, d(mtmp->data->damn, mtmp->data->damd)+1);
428 for(j=MTSZ-1; j>0; j--) mtmp->mtrack[j] = mtmp->mtrack[j-1];
429 mtmp->mtrack[0].x = omx;
430 mtmp->mtrack[0].y = omy;
432 if(mtmp->wormno) worm_move(mtmp);
435 if(msym == 'u' && rn2(2)){
440 if(mtmp->wormno) worm_nomove(mtmp);
445 if(mintrap(mtmp) == 2) /* he died */
447 if(likegold) mpickgold(mtmp);
448 if(likegems) mpickgems(mtmp);
449 if(mtmp->mhide) mtmp->mundetected = 1;
456 mpickgold(struct monst *mtmp)
459 while((gold = g_at(mtmp->mx, mtmp->my))){
460 mtmp->mgold += gold->amount;
462 if(levl[mtmp->mx][mtmp->my].scrsym == '$')
463 newsym(mtmp->mx, mtmp->my);
468 mpickgems(struct monst *mtmp)
471 for(otmp = fobj; otmp; otmp = otmp->nobj)
472 if(otmp->olet == GEM_SYM)
473 if(otmp->ox == mtmp->mx && otmp->oy == mtmp->my)
474 if(mtmp->data->mlet != 'u' || objects[otmp->otyp].g_val != 0){
476 mpickobj(mtmp, otmp);
477 if(levl[mtmp->mx][mtmp->my].scrsym == GEM_SYM)
478 newsym(mtmp->mx, mtmp->my); /* %% */
479 return; /* pick only one object */
483 /* return number of acceptable neighbour positions */
485 mfndpos(struct monst *mon, coord poss[9], int info[9], int flag)
487 int x,y,nx,ny,cnt = 0,ntyp;
494 nowtyp = levl[x][y].typ;
496 pool = (mon->data->mlet == ';');
497 nexttry: /* eels prefer the water, but if there is no water nearby,
498 they will crawl over land */
503 for(nx = x-1; nx <= x+1; nx++) for(ny = y-1; ny <= y+1; ny++)
504 if(nx != x || ny != y) if(isok(nx,ny))
505 if(!IS_ROCK(ntyp = levl[nx][ny].typ))
506 if(!(nx != x && ny != y && (nowtyp == DOOR || ntyp == DOOR)))
507 if((ntyp == POOL) == pool) {
509 if(nx == u.ux && ny == u.uy){
510 if(!(flag & ALLOW_U)) continue;
512 } else if((mtmp = m_at(nx,ny))){
513 if(!(flag & ALLOW_M)) continue;
516 if(!(flag & ALLOW_TM)) continue;
517 info[cnt] |= ALLOW_TM;
520 if(sobj_at(CLOVE_OF_GARLIC, nx, ny)) {
521 if(flag & NOGARLIC) continue;
522 info[cnt] |= NOGARLIC;
524 if(sobj_at(SCR_SCARE_MONSTER, nx, ny) ||
525 (!mon->mpeaceful && sengr_at("Elbereth", nx, ny))) {
526 if(!(flag & ALLOW_SSM)) continue;
527 info[cnt] |= ALLOW_SSM;
529 if(sobj_at(ENORMOUS_ROCK, nx, ny)) {
530 if(!(flag & ALLOW_ROCK)) continue;
531 info[cnt] |= ALLOW_ROCK;
533 if(!Invis && online(nx,ny)){
534 if(flag & NOTONL) continue;
537 /* we cannot avoid traps of an unknown kind */
538 { struct trap *ttmp = t_at(nx, ny);
541 tt = 1 << ttmp->ttyp;
542 if(mon->mtrapseen & tt){
543 if(!(flag & tt)) continue;
552 if(!cnt && pool && nowtyp != POOL) {
562 return((x-u.ux)*(x-u.ux) + (y-u.uy)*(y-u.uy));
566 poisoned(const char *string, const char *pname)
570 if(Blind) pline("It was poisoned.");
571 else pline("The %s was poisoned!",string);
572 if(Poison_resistance) {
573 pline("The poison doesn't seem to affect you.");
579 pline("I am afraid the poison was deadly ...");
583 losehp(rn1(10,6), pname);
592 mondead(struct monst *mtmp)
598 if(mtmp->isshk) shkdead(mtmp);
599 if(mtmp->isgd) gddead();
601 if(mtmp->wormno) wormdead(mtmp);
606 /* called when monster is moved to larger structure */
608 replmon(struct monst *mtmp, struct monst *mtmp2)
614 if(u.ustuck == mtmp) u.ustuck = mtmp2;
615 if(mtmp2->isshk) replshk(mtmp,mtmp2);
616 if(mtmp2->isgd) replgd(mtmp,mtmp2);
620 relmon(struct monst *mon)
624 if(mon == fmon) fmon = fmon->nmon;
626 for(mtmp = fmon; mtmp->nmon != mon; mtmp = mtmp->nmon) ;
627 mtmp->nmon = mon->nmon;
631 /* we do not free monsters immediately, in order to have their name
632 available shortly after their demise */
633 struct monst *fdmon; /* chain of dead monsters, need not to be saved */
636 monfree(struct monst *mtmp)
646 while((mtmp = fdmon)){
653 unstuck(struct monst *mtmp)
655 if(u.ustuck == mtmp) {
668 killed(struct monst *mtmp)
675 struct permonst *mdat;
677 if(mtmp->cham) mtmp->data = PM_CHAMELEON;
679 if(Blind) pline("You destroy it!");
681 pline("You destroy %s!",
682 mtmp->mtame ? amonnam(mtmp, "poor") : monnam(mtmp));
685 if(!Blind) pline("Your hands stop glowing blue.");
689 /* count killed monsters */
691 nk = 1; /* in case we cannot find it in mons */
692 tmp = mdat - mons; /* index in mons array (if not 'd', '@', ...) */
693 if(tmp >= 0 && tmp < CMNUM+2) {
695 if((nk = u.nr_killed[tmp]) > MAXMONNO &&
696 !index(fut_geno, mdat->mlet))
697 charcat(fut_geno, mdat->mlet);
700 /* punish bad behaviour */
701 if(mdat->mlet == '@') Telepat = 0, u.uluck -= 2;
702 if(mtmp->mpeaceful || mtmp->mtame) u.uluck--;
703 if(mdat->mlet == 'u') u.uluck -= 5;
704 if((int)u.uluck < LUCKMIN) u.uluck = LUCKMIN;
706 /* give experience points */
707 tmp = 1 + mdat->mlevel * mdat->mlevel;
708 if(mdat->ac < 3) tmp += 2*(7 - mdat->ac);
709 if(index("AcsSDXaeRTVWU&In:P", mdat->mlet))
710 tmp += 2*mdat->mlevel;
711 if(index("DeV&P",mdat->mlet)) tmp += (7*mdat->mlevel);
712 if(mdat->mlevel > 6) tmp += 50;
713 if(mdat->mlet == ';') tmp += 1000;
716 /* ------- recent addition: make nr of points decrease
717 when this is not the first of this kind */
719 int ml = mdat->mlevel;
721 if(ul < 14) /* points are given based on present and future level */
722 for(tmp2 = 0; !tmp2 || ul + tmp2 <= ml; tmp2++)
723 if(u.uexp + 1 + (tmp + ((tmp2 <= 0) ? 0 : 4<<(tmp2-1)))/nk
724 >= 10*pow((unsigned)(ul-1)))
725 if(++ul == 14) break;
728 tmp = (tmp + ((tmp2 < 0) ? 0 : 4<<tmp2))/nk;
731 /* note: ul is not necessarily the future value of u.ulevel */
732 /* ------- end of recent valuation change ------- */
733 #endif /* NEW_SCORING */
735 more_experienced(tmp,0);
737 while(u.ulevel < 14 && u.uexp >= newuexp()){
738 pline("Welcome to experience level %u.", ++u.ulevel);
740 if(tmp < 3) tmp = rnd(10);
746 /* dispose of monster and make cadaver */
747 x = mtmp->mx; y = mtmp->my;
750 if(tmp == 'm') { /* he killed a minotaur, give him a wand of digging */
751 /* note: the dead minotaur will be on top of it! */
752 mksobj_at(WAN_DIGGING, x, y);
753 /* if(cansee(x,y)) atl(x,y,fobj->olet); */
758 mksobj_at(WORM_TOOTH, x, y);
762 if(!letter(tmp) || (!index("mw", tmp) && !rn2(3))) tmp = 0;
764 if(ACCESSIBLE(levl[x][y].typ)) /* might be mimic in wall or dead eel*/
765 if(x != u.ux || y != u.uy) /* might be here after swallowed */
766 if(index("NTVm&",mdat->mlet) || rn2(5)) {
767 struct obj *obj2 = mkobj_at(tmp,x,y);
775 kludge(const char *str, const char *arg)
778 if(*str == '%') pline(str,"It");
779 else pline(str,"it");
780 } else pline(str,arg);
784 rescham(void) /* force all chameleons to become normal */
788 for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
791 newcham(mtmp, PM_CHAMELEON);
795 /* make a chameleon look like a new monster */
796 /* returns 1 if the monster actually changed */
798 newcham(struct monst *mtmp, struct permonst *mdat)
802 if(mdat == mtmp->data) return(0); /* still the same monster */
804 if(mtmp->wormno) wormdead(mtmp); /* throw tail away */
806 if (u.ustuck == mtmp) {
817 hpd = (mtmp->data->mlevel)*8;
820 mhp = (mdat->mlevel)*8;
821 /* new hp: same fraction of max as before */
822 mtmp->mhp = 2 + (hpn*mhp)/hpd;
824 mtmp->mhpmax = 2 + (hpn*mhp)/hpd;
825 mtmp->minvis = (mdat->mlet == 'I') ? 1 : 0;
827 if(mdat->mlet == 'w' && getwn(mtmp)) initworm(mtmp);
828 /* perhaps we should clear mtmp->mtame here? */
830 unpmon(mtmp); /* necessary for 'I' and to force pmon */
835 /* Make monster mtmp next to you (if possible) */
837 mnexto(struct monst *mtmp)
840 mm = enexto(u.ux, u.uy);
847 ishuman(struct monst *mtmp)
849 return(mtmp->data->mlet == '@');
853 setmangry(struct monst *mtmp)
855 if(!mtmp->mpeaceful) return;
856 if(mtmp->mtame) return;
858 if(ishuman(mtmp)) pline("%s gets angry!", Monnam(mtmp));
861 /* not one hundred procent correct: now a snake may hide under an
864 canseemon(struct monst *mtmp)
866 return((!mtmp->minvis || See_invisible)
867 && (!mtmp->mhide || !o_at(mtmp->mx,mtmp->my))
868 && cansee(mtmp->mx, mtmp->my));