xref: /openbsd-src/games/hack/hack.mkobj.c (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1 /*	$OpenBSD: hack.mkobj.c,v 1.4 2001/08/06 22:59:13 pjanzen Exp $	*/
2 
3 /*
4  * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
5  */
6 
7 #ifndef lint
8 static char rcsid[] = "$OpenBSD: hack.mkobj.c,v 1.4 2001/08/06 22:59:13 pjanzen Exp $";
9 #endif /* not lint */
10 
11 #include "hack.h"
12 
13 char mkobjstr[] = "))[[!!!!????%%%%/=**))[[!!!!????%%%%/=**(%";
14 struct obj *mkobj(), *mksobj();
15 
16 struct obj *
17 mkobj_at(let,x,y)
18 register let,x,y;
19 {
20 	register struct obj *otmp = mkobj(let);
21 	otmp->ox = x;
22 	otmp->oy = y;
23 	otmp->nobj = fobj;
24 	fobj = otmp;
25 	return(otmp);
26 }
27 
28 mksobj_at(otyp,x,y)
29 register otyp,x,y;
30 {
31 	register struct obj *otmp = mksobj(otyp);
32 	otmp->ox = x;
33 	otmp->oy = y;
34 	otmp->nobj = fobj;
35 	fobj = otmp;
36 }
37 
38 struct obj *
39 mkobj(let) {
40 	if(!let)
41 		let = mkobjstr[rn2(sizeof(mkobjstr) - 1)];
42 	return(
43 	    mksobj(
44 		letter(let) ?
45 		    CORPSE + ((let > 'Z') ? (let-'a'+'Z'-'@'+1) : (let-'@'))
46 		:   probtype(let)
47 	    )
48 	);
49 }
50 
51 
52 struct obj zeroobj;
53 
54 struct obj *
55 mksobj(otyp)
56 register otyp;
57 {
58 	register struct obj *otmp;
59 	char let = objects[otyp].oc_olet;
60 
61 	otmp = newobj(0);
62 	*otmp = zeroobj;
63 	otmp->age = moves;
64 	otmp->o_id = flags.ident++;
65 	otmp->quan = 1;
66 	otmp->olet = let;
67 	otmp->otyp = otyp;
68 	otmp->dknown = strchr("/=!?*", let) ? 0 : 1;
69 	switch(let) {
70 	case WEAPON_SYM:
71 		otmp->quan = (otmp->otyp <= ROCK) ? rn1(6,6) : 1;
72 		if(!rn2(11)) otmp->spe = rnd(3);
73 		else if(!rn2(10)) {
74 			otmp->cursed = 1;
75 			otmp->spe = -rnd(3);
76 		}
77 		break;
78 	case FOOD_SYM:
79 		if(otmp->otyp >= CORPSE) break;
80 #ifdef NOT_YET_IMPLEMENTED
81 		/* if tins are to be identified, need to adapt doname() etc */
82 		if(otmp->otyp == TIN)
83 			otmp->spe = rnd(...);
84 #endif /* NOT_YET_IMPLEMENTED */
85 		/* fall into next case */
86 	case GEM_SYM:
87 		otmp->quan = rn2(6) ? 1 : 2;
88 	case TOOL_SYM:
89 	case CHAIN_SYM:
90 	case BALL_SYM:
91 	case ROCK_SYM:
92 	case POTION_SYM:
93 	case SCROLL_SYM:
94 	case AMULET_SYM:
95 		break;
96 	case ARMOR_SYM:
97 		if(!rn2(8)) otmp->cursed = 1;
98 		if(!rn2(10)) otmp->spe = rnd(3);
99 		else if(!rn2(9)) {
100 			otmp->spe = -rnd(3);
101 			otmp->cursed = 1;
102 		}
103 		break;
104 	case WAND_SYM:
105 		if(otmp->otyp == WAN_WISHING) otmp->spe = 3; else
106 		otmp->spe = rn1(5,
107 			(objects[otmp->otyp].bits & NODIR) ? 11 : 4);
108 		break;
109 	case RING_SYM:
110 		if(objects[otmp->otyp].bits & SPEC) {
111 			if(!rn2(3)) {
112 				otmp->cursed = 1;
113 				otmp->spe = -rnd(2);
114 			} else otmp->spe = rnd(2);
115 		} else if(otmp->otyp == RIN_TELEPORTATION ||
116 			  otmp->otyp == RIN_AGGRAVATE_MONSTER ||
117 			  otmp->otyp == RIN_HUNGER || !rn2(9))
118 			otmp->cursed = 1;
119 		break;
120 	default:
121 		panic("impossible mkobj");
122 	}
123 	otmp->owt = weight(otmp);
124 	return(otmp);
125 }
126 
127 letter(c) {
128 	return(('@' <= c && c <= 'Z') || ('a' <= c && c <= 'z'));
129 }
130 
131 weight(obj)
132 register struct obj *obj;
133 {
134 register int wt = objects[obj->otyp].oc_weight;
135 	return(wt ? wt*obj->quan : (obj->quan + 1)/2);
136 }
137 
138 mkgold(num,x,y)
139 register long num;
140 {
141 	register struct gold *gold;
142 	register long amount = (num ? num : 1 + (rnd(dlevel+2) * rnd(30)));
143 
144 	if(gold = g_at(x,y))
145 		gold->amount += amount;
146 	else {
147 		gold = newgold();
148 		gold->ngold = fgold;
149 		gold->gx = x;
150 		gold->gy = y;
151 		gold->amount = amount;
152 		fgold = gold;
153 		/* do sth with display? */
154 	}
155 }
156