pc-hack

PC HACK 3.61 source code (archival)
git clone http://frotz.net/git/pc-hack.git
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steal.c (4953B)


      1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
      2 /* steal.c - version 1.0.3 */
      3 
      4 #include "hack.h"
      5 
      6 long		/* actually returns something that fits in an int */
      7 somegold(){
      8 	return( (u.ugold < 100) ? u.ugold :
      9 		(u.ugold > 10000) ? rnd(10000) : rnd((int) u.ugold) );
     10 }
     11 
     12 stealgold(mtmp)  register struct monst *mtmp; {
     13 register struct gold *gold = g_at(u.ux, u.uy);
     14 register long tmp;
     15 	if(gold && ( !u.ugold || gold->amount > u.ugold || !rn2(5))) {
     16 		mtmp->mgold += gold->amount;
     17 		freegold(gold);
     18 		if(Invisible) newsym(u.ux, u.uy);
     19 		pline("%s quickly snatches some gold from between your feet!",
     20 			Monnam(mtmp));
     21 		if(!u.ugold || !rn2(5)) {
     22 			rloc(mtmp);
     23 			mtmp->mflee = 1;
     24 		}
     25 	} else if(u.ugold) {
     26 		u.ugold -= (tmp = somegold());
     27 		pline("Your purse feels lighter.");
     28 		mtmp->mgold += tmp;
     29 		rloc(mtmp);
     30 		mtmp->mflee = 1;
     31 		flags.botl = 1;
     32 	}
     33 }
     34 
     35 /* steal armor after he finishes taking it off */
     36 unsigned stealoid;		/* object to be stolen */
     37 unsigned stealmid;		/* monster doing the stealing */
     38 stealarm(){
     39 	register struct monst *mtmp;
     40 	register struct obj *otmp;
     41 
     42 	for(otmp = invent; otmp; otmp = otmp->nobj)
     43 	  if(otmp->o_id == stealoid) {
     44 	    for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
     45 	      if(mtmp->m_id == stealmid) {
     46 		if(dist(mtmp->mx,mtmp->my) < 3) {
     47 		  freeinv(otmp);
     48 		  pline("%s steals %s!", Monnam(mtmp), doname(otmp));
     49 		  mpickobj(mtmp,otmp);
     50 		  mtmp->mflee = 1;
     51 		  rloc(mtmp);
     52 		}
     53 		break;
     54 	      }
     55 	    break;
     56 	  }
     57 	stealoid = 0;
     58 }
     59 
     60 /* returns 1 when something was stolen */
     61 /* (or at least, when N should flee now) */
     62 /* avoid stealing the object stealoid */
     63 steal(mtmp)
     64 struct monst *mtmp;
     65 {
     66 	register struct obj *otmp;
     67 	register tmp;
     68 	register named = 0;
     69 
     70 	if(!invent){
     71 	    if(Blind)
     72 	      pline("Somebody tries to rob you, but finds nothing to steal.");
     73 	    else
     74 	      pline("%s tries to rob you, but she finds nothing to steal!",
     75 		Monnam(mtmp));
     76 	    return(1);	/* let her flee */
     77 	}
     78 	tmp = 0;
     79 	for(otmp = invent; otmp; otmp = otmp->nobj) if(otmp != uarm2)
     80 		tmp += ((otmp->owornmask & (W_ARMOR | W_RING)) ? 5 : 1);
     81 	tmp = rn2(tmp);
     82 	for(otmp = invent; otmp; otmp = otmp->nobj) if(otmp != uarm2)
     83 		if((tmp -= ((otmp->owornmask & (W_ARMOR | W_RING)) ? 5 : 1))
     84 			< 0) break;
     85 	if(!otmp) {
     86 		impossible("Steal fails!");
     87 		return(0);
     88 	}
     89 	if(otmp->o_id == stealoid)
     90 		return(0);
     91 	if((otmp->owornmask & (W_ARMOR | W_RING))){
     92 		switch(otmp->olet) {
     93 		case RING_SYM:
     94 			ringoff(otmp);
     95 			break;
     96 		case ARMOR_SYM:
     97 			if(multi < 0 || otmp == uarms){
     98 			  setworn((struct obj *) 0, otmp->owornmask & W_ARMOR);
     99 			  break;
    100 			}
    101 		{ int curssv = otmp->cursed;
    102 			otmp->cursed = 0;
    103 			stop_occupation();
    104 			pline("%s seduces you and %s off your %s.",
    105 				Amonnam(mtmp, Blind ? "gentle" : "beautiful"),
    106 				otmp->cursed ? "helps you to take"
    107 					    : "you start taking",
    108 				(otmp == uarmg) ? "gloves" :
    109 				(otmp == uarmh) ? "helmet" : "armor");
    110 			named++;
    111 			(void) armoroff(otmp);
    112 			otmp->cursed = curssv;
    113 			if(multi < 0){
    114 				extern char *nomovemsg;
    115 				extern int (*afternmv)();
    116 				/*
    117 				multi = 0;
    118 				nomovemsg = 0;
    119 				afternmv = 0;
    120 				*/
    121 				stealoid = otmp->o_id;
    122 				stealmid = mtmp->m_id;
    123 				afternmv = stealarm;
    124 				return(0);
    125 			}
    126 			break;
    127 		}
    128 		default:
    129 			impossible("Tried to steal a strange worn thing.");
    130 		}
    131 	}
    132 	else if(otmp == uwep)
    133 		setuwep((struct obj *) 0);
    134 	if(otmp->olet == CHAIN_SYM) {
    135 		impossible("How come you are carrying that chain?");
    136 	}
    137 	if(Punished && otmp == uball){
    138 		Punished = 0;
    139 		freeobj(uchain);
    140 		free((char *) uchain);
    141 		uchain = (struct obj *) 0;
    142 		uball->spe = 0;
    143 		uball = (struct obj *) 0;	/* superfluous */
    144 	}
    145 	freeinv(otmp);
    146 	pline("%s stole %s.", named ? "She" : Monnam(mtmp), doname(otmp));
    147 	mpickobj(mtmp,otmp);
    148 	return((multi < 0) ? 0 : 1);
    149 }
    150 
    151 mpickobj(mtmp,otmp)
    152 register struct monst *mtmp;
    153 register struct obj *otmp;
    154 {
    155 	otmp->nobj = mtmp->minvent;
    156 	mtmp->minvent = otmp;
    157 }
    158 
    159 stealamulet(mtmp)
    160 register struct monst *mtmp;
    161 {
    162 	register struct obj *otmp;
    163 
    164 	for(otmp = invent; otmp; otmp = otmp->nobj) {
    165 	    if(otmp->olet == AMULET_SYM) {
    166 		/* might be an imitation one */
    167 		if(otmp == uwep) setuwep((struct obj *) 0);
    168 		freeinv(otmp);
    169 		mpickobj(mtmp,otmp);
    170 		pline("%s stole %s!", Monnam(mtmp), doname(otmp));
    171 		return(1);
    172 	    }
    173 	}
    174 	return(0);
    175 }
    176 
    177 /* release the objects the killed animal has stolen */
    178 relobj(mtmp,show)
    179 register struct monst *mtmp;
    180 register show;
    181 {
    182 	register struct obj *otmp, *otmp2;
    183 
    184 	for(otmp = mtmp->minvent; otmp; otmp = otmp2){
    185 		otmp->ox = mtmp->mx;
    186 		otmp->oy = mtmp->my;
    187 		otmp2 = otmp->nobj;
    188 		otmp->nobj = fobj;
    189 		fobj = otmp;
    190 		stackobj(fobj);
    191 		if(show & cansee(mtmp->mx,mtmp->my))
    192 			atl(otmp->ox,otmp->oy,otmp->olet);
    193 	}
    194 	mtmp->minvent = (struct obj *) 0;
    195 	if(mtmp->mgold || mtmp->data->mlet == 'L') {
    196 		register long tmp;
    197 
    198 		tmp = (mtmp->mgold > 10000) ? 10000 : mtmp->mgold;
    199 		mkgold((long)(tmp + d(dlevel,30)), mtmp->mx, mtmp->my);
    200 		if(show & cansee(mtmp->mx,mtmp->my))
    201 			atl(mtmp->mx,mtmp->my,'$');
    202 	}
    203 }