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hack.mkobj.c revision 1.2 
      1 /*
      2  * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
      3  */
      4 
      5 #ifndef lint
      6 static char rcsid[] = "$Id: hack.mkobj.c,v 1.2 1993/08/02 17:17:25 mycroft Exp $";
      7 #endif /* not lint */
      8 
      9 #include "hack.h"
     10 
     11 char mkobjstr[] = "))[[!!!!????%%%%/=**))[[!!!!????%%%%/=**(%";
     12 struct obj *mkobj(), *mksobj();
     13 
     14 struct obj *
     15 mkobj_at(let,x,y)
     16 register let,x,y;
     17 {
     18 	register struct obj *otmp = mkobj(let);
     19 	otmp->ox = x;
     20 	otmp->oy = y;
     21 	otmp->nobj = fobj;
     22 	fobj = otmp;
     23 	return(otmp);
     24 }
     25 
     26 mksobj_at(otyp,x,y)
     27 register otyp,x,y;
     28 {
     29 	register struct obj *otmp = mksobj(otyp);
     30 	otmp->ox = x;
     31 	otmp->oy = y;
     32 	otmp->nobj = fobj;
     33 	fobj = otmp;
     34 }
     35 
     36 struct obj *
     37 mkobj(let) {
     38 	if(!let)
     39 		let = mkobjstr[rn2(sizeof(mkobjstr) - 1)];
     40 	return(
     41 	    mksobj(
     42 		letter(let) ?
     43 		    CORPSE + ((let > 'Z') ? (let-'a'+'Z'-'@'+1) : (let-'@'))
     44 		:   probtype(let)
     45 	    )
     46 	);
     47 }
     48 
     49 
     50 struct obj zeroobj;
     51 
     52 struct obj *
     53 mksobj(otyp)
     54 register otyp;
     55 {
     56 	register struct obj *otmp;
     57 	char let = objects[otyp].oc_olet;
     58 
     59 	otmp = newobj(0);
     60 	*otmp = zeroobj;
     61 	otmp->age = moves;
     62 	otmp->o_id = flags.ident++;
     63 	otmp->quan = 1;
     64 	otmp->olet = let;
     65 	otmp->otyp = otyp;
     66 	otmp->dknown = index("/=!?*", let) ? 0 : 1;
     67 	switch(let) {
     68 	case WEAPON_SYM:
     69 		otmp->quan = (otmp->otyp <= ROCK) ? rn1(6,6) : 1;
     70 		if(!rn2(11)) otmp->spe = rnd(3);
     71 		else if(!rn2(10)) {
     72 			otmp->cursed = 1;
     73 			otmp->spe = -rnd(3);
     74 		}
     75 		break;
     76 	case FOOD_SYM:
     77 		if(otmp->otyp >= CORPSE) break;
     78 #ifdef NOT_YET_IMPLEMENTED
     79 		/* if tins are to be identified, need to adapt doname() etc */
     80 		if(otmp->otyp == TIN)
     81 			otmp->spe = rnd(...);
     82 #endif NOT_YET_IMPLEMENTED
     83 		/* fall into next case */
     84 	case GEM_SYM:
     85 		otmp->quan = rn2(6) ? 1 : 2;
     86 	case TOOL_SYM:
     87 	case CHAIN_SYM:
     88 	case BALL_SYM:
     89 	case ROCK_SYM:
     90 	case POTION_SYM:
     91 	case SCROLL_SYM:
     92 	case AMULET_SYM:
     93 		break;
     94 	case ARMOR_SYM:
     95 		if(!rn2(8)) otmp->cursed = 1;
     96 		if(!rn2(10)) otmp->spe = rnd(3);
     97 		else if(!rn2(9)) {
     98 			otmp->spe = -rnd(3);
     99 			otmp->cursed = 1;
    100 		}
    101 		break;
    102 	case WAND_SYM:
    103 		if(otmp->otyp == WAN_WISHING) otmp->spe = 3; else
    104 		otmp->spe = rn1(5,
    105 			(objects[otmp->otyp].bits & NODIR) ? 11 : 4);
    106 		break;
    107 	case RING_SYM:
    108 		if(objects[otmp->otyp].bits & SPEC) {
    109 			if(!rn2(3)) {
    110 				otmp->cursed = 1;
    111 				otmp->spe = -rnd(2);
    112 			} else otmp->spe = rnd(2);
    113 		} else if(otmp->otyp == RIN_TELEPORTATION ||
    114 			  otmp->otyp == RIN_AGGRAVATE_MONSTER ||
    115 			  otmp->otyp == RIN_HUNGER || !rn2(9))
    116 			otmp->cursed = 1;
    117 		break;
    118 	default:
    119 		panic("impossible mkobj");
    120 	}
    121 	otmp->owt = weight(otmp);
    122 	return(otmp);
    123 }
    124 
    125 letter(c) {
    126 	return(('@' <= c && c <= 'Z') || ('a' <= c && c <= 'z'));
    127 }
    128 
    129 weight(obj)
    130 register struct obj *obj;
    131 {
    132 register int wt = objects[obj->otyp].oc_weight;
    133 	return(wt ? wt*obj->quan : (obj->quan + 1)/2);
    134 }
    135 
    136 mkgold(num,x,y)
    137 register long num;
    138 {
    139 	register struct gold *gold;
    140 	register long amount = (num ? num : 1 + (rnd(dlevel+2) * rnd(30)));
    141 
    142 	if(gold = g_at(x,y))
    143 		gold->amount += amount;
    144 	else {
    145 		gold = newgold();
    146 		gold->ngold = fgold;
    147 		gold->gx = x;
    148 		gold->gy = y;
    149 		gold->amount = amount;
    150 		fgold = gold;
    151 		/* do sth with display? */
    152 	}
    153 }
    154