xref: /dragonfly/games/hack/hack.mkobj.c (revision 19fe1c42)
1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.mkobj.c - version 1.0.3 */
3 /* $FreeBSD: src/games/hack/hack.mkobj.c,v 1.5 1999/11/16 10:26:37 marcel Exp $ */
4 /* $DragonFly: src/games/hack/hack.mkobj.c,v 1.4 2006/08/21 19:45:32 pavalos Exp $ */
5 
6 #include "hack.h"
7 
8 char mkobjstr[] = "))[[!!!!????%%%%/=**))[[!!!!????%%%%/=**(%";
9 
10 struct obj *
11 mkobj_at(int let, int x, int y)
12 {
13 	struct obj *otmp = mkobj(let);
14 	otmp->ox = x;
15 	otmp->oy = y;
16 	otmp->nobj = fobj;
17 	fobj = otmp;
18 	return(otmp);
19 }
20 
21 void
22 mksobj_at(int otyp, int x, int y)
23 {
24 	struct obj *otmp = mksobj(otyp);
25 	otmp->ox = x;
26 	otmp->oy = y;
27 	otmp->nobj = fobj;
28 	fobj = otmp;
29 }
30 
31 struct obj *
32 mkobj(int let)
33 {
34 	if(!let)
35 		let = mkobjstr[rn2(sizeof(mkobjstr) - 1)];
36 	return(
37 	    mksobj(
38 		letter(let) ?
39 		    CORPSE + ((let > 'Z') ? (let-'a'+'Z'-'@'+1) : (let-'@'))
40 		:   probtype(let)
41 	    )
42 	);
43 }
44 
45 
46 struct obj zeroobj;
47 
48 struct obj *
49 mksobj(int otyp)
50 {
51 	struct obj *otmp;
52 	char let = objects[otyp].oc_olet;
53 
54 	otmp = newobj(0);
55 	*otmp = zeroobj;
56 	otmp->age = moves;
57 	otmp->o_id = flags.ident++;
58 	otmp->quan = 1;
59 	otmp->olet = let;
60 	otmp->otyp = otyp;
61 	otmp->dknown = index("/=!?*", let) ? 0 : 1;
62 	switch(let) {
63 	case WEAPON_SYM:
64 		otmp->quan = (otmp->otyp <= ROCK) ? rn1(6,6) : 1;
65 		if(!rn2(11)) otmp->spe = rnd(3);
66 		else if(!rn2(10)) {
67 			otmp->cursed = 1;
68 			otmp->spe = -rnd(3);
69 		}
70 		break;
71 	case FOOD_SYM:
72 		if(otmp->otyp >= CORPSE) break;
73 #ifdef NOT_YET_IMPLEMENTED
74 		/* if tins are to be identified, need to adapt doname() etc */
75 		if(otmp->otyp == TIN)
76 			otmp->spe = rnd(...);
77 #endif /* NOT_YET_IMPLEMENTED */
78 		/* fall into next case */
79 	case GEM_SYM:
80 		otmp->quan = rn2(6) ? 1 : 2;
81 	case TOOL_SYM:
82 	case CHAIN_SYM:
83 	case BALL_SYM:
84 	case ROCK_SYM:
85 	case POTION_SYM:
86 	case SCROLL_SYM:
87 	case AMULET_SYM:
88 		break;
89 	case ARMOR_SYM:
90 		if(!rn2(8)) otmp->cursed = 1;
91 		if(!rn2(10)) otmp->spe = rnd(3);
92 		else if(!rn2(9)) {
93 			otmp->spe = -rnd(3);
94 			otmp->cursed = 1;
95 		}
96 		break;
97 	case WAND_SYM:
98 		if(otmp->otyp == WAN_WISHING) otmp->spe = 3; else
99 		otmp->spe = rn1(5,
100 			(objects[otmp->otyp].bits & NODIR) ? 11 : 4);
101 		break;
102 	case RING_SYM:
103 		if(objects[otmp->otyp].bits & SPEC) {
104 			if(!rn2(3)) {
105 				otmp->cursed = 1;
106 				otmp->spe = -rnd(2);
107 			} else otmp->spe = rnd(2);
108 		} else if(otmp->otyp == RIN_TELEPORTATION ||
109 			  otmp->otyp == RIN_AGGRAVATE_MONSTER ||
110 			  otmp->otyp == RIN_HUNGER || !rn2(9))
111 			otmp->cursed = 1;
112 		break;
113 	default:
114 		panic("impossible mkobj");
115 	}
116 	otmp->owt = weight(otmp);
117 	return(otmp);
118 }
119 
120 bool
121 letter(char c)
122 {
123 	return(('@' <= c && c <= 'Z') || ('a' <= c && c <= 'z'));
124 }
125 
126 int
127 weight(struct obj *obj)
128 {
129 int wt = objects[obj->otyp].oc_weight;
130 	return(wt ? wt*obj->quan : (obj->quan + 1)/2);
131 }
132 
133 void
134 mkgold(long num, int x, int y)
135 {
136 	struct gold *gold;
137 	long amount = (num ? num : 1 + (rnd(dlevel+2) * rnd(30)));
138 
139 	if((gold = g_at(x,y)))
140 		gold->amount += amount;
141 	else {
142 		gold = newgold();
143 		gold->ngold = fgold;
144 		gold->gx = x;
145 		gold->gy = y;
146 		gold->amount = amount;
147 		fgold = gold;
148 		/* do sth with display? */
149 	}
150 }
151