1 /* $NetBSD: hack.mkobj.c,v 1.9 2011/08/07 06:03:45 dholland Exp $ */
2
3 /*
4 * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
5 * Amsterdam
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met:
11 *
12 * - Redistributions of source code must retain the above copyright notice,
13 * this list of conditions and the following disclaimer.
14 *
15 * - Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * - Neither the name of the Stichting Centrum voor Wiskunde en
20 * Informatica, nor the names of its contributors may be used to endorse or
21 * promote products derived from this software without specific prior
22 * written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
25 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
27 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
28 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
29 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
30 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
31 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
32 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
34 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36
37 /*
38 * Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
39 * All rights reserved.
40 *
41 * Redistribution and use in source and binary forms, with or without
42 * modification, are permitted provided that the following conditions
43 * are met:
44 * 1. Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * 2. Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in the
48 * documentation and/or other materials provided with the distribution.
49 * 3. The name of the author may not be used to endorse or promote products
50 * derived from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
53 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
54 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
55 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
56 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
57 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
58 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
59 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
60 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
61 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 */
63
64 #include <sys/cdefs.h>
65 #ifndef lint
66 __RCSID("$NetBSD: hack.mkobj.c,v 1.9 2011/08/07 06:03:45 dholland Exp $");
67 #endif /* not lint */
68
69 #include "hack.h"
70 #include "extern.h"
71
72 static const char mkobjstr[] = "))[[!!!!????%%%%/=**))[[!!!!????%%%%/=**(%";
73
74 struct obj *
mkobj_at(int let,int x,int y)75 mkobj_at(int let, int x, int y)
76 {
77 struct obj *otmp = mkobj(let);
78 otmp->ox = x;
79 otmp->oy = y;
80 otmp->nobj = fobj;
81 fobj = otmp;
82 return (otmp);
83 }
84
85 void
mksobj_at(int otyp,int x,int y)86 mksobj_at(int otyp, int x, int y)
87 {
88 struct obj *otmp = mksobj(otyp);
89 otmp->ox = x;
90 otmp->oy = y;
91 otmp->nobj = fobj;
92 fobj = otmp;
93 }
94
95 struct obj *
mkobj(int let)96 mkobj(int let)
97 {
98 if (!let)
99 let = mkobjstr[rn2(sizeof(mkobjstr) - 1)];
100 return (
101 mksobj(
102 letter(let) ?
103 CORPSE + ((let > 'Z') ? (let - 'a' + 'Z' - '@' + 1) : (let - '@'))
104 : probtype(let)
105 )
106 );
107 }
108
109
110 struct obj zeroobj;
111
112 struct obj *
mksobj(int otyp)113 mksobj(int otyp)
114 {
115 struct obj *otmp;
116 char let = objects[otyp].oc_olet;
117
118 otmp = newobj(0);
119 *otmp = zeroobj;
120 otmp->age = moves;
121 otmp->o_id = flags.ident++;
122 otmp->quan = 1;
123 otmp->olet = let;
124 otmp->otyp = otyp;
125 otmp->dknown = strchr("/=!?*", let) ? 0 : 1;
126 switch (let) {
127 case WEAPON_SYM:
128 otmp->quan = (otmp->otyp <= ROCK) ? rn1(6, 6) : 1;
129 if (!rn2(11))
130 otmp->spe = rnd(3);
131 else if (!rn2(10)) {
132 otmp->cursed = 1;
133 otmp->spe = -rnd(3);
134 }
135 break;
136 case FOOD_SYM:
137 if (otmp->otyp >= CORPSE)
138 break;
139 #ifdef NOT_YET_IMPLEMENTED
140 /* if tins are to be identified, need to adapt doname() etc */
141 if (otmp->otyp == TIN)
142 otmp->spe = rnd(...);
143 #endif /* NOT_YET_IMPLEMENTED */
144 /* FALLTHROUGH */
145 case GEM_SYM:
146 otmp->quan = rn2(6) ? 1 : 2;
147 break;
148 case TOOL_SYM:
149 case CHAIN_SYM:
150 case BALL_SYM:
151 case ROCK_SYM:
152 case POTION_SYM:
153 case SCROLL_SYM:
154 case AMULET_SYM:
155 break;
156 case ARMOR_SYM:
157 if (!rn2(8))
158 otmp->cursed = 1;
159 if (!rn2(10))
160 otmp->spe = rnd(3);
161 else if (!rn2(9)) {
162 otmp->spe = -rnd(3);
163 otmp->cursed = 1;
164 }
165 break;
166 case WAND_SYM:
167 if (otmp->otyp == WAN_WISHING)
168 otmp->spe = 3;
169 else
170 otmp->spe = rn1(5,
171 (objects[otmp->otyp].bits & NODIR) ? 11 : 4);
172 break;
173 case RING_SYM:
174 if (objects[otmp->otyp].bits & SPEC) {
175 if (!rn2(3)) {
176 otmp->cursed = 1;
177 otmp->spe = -rnd(2);
178 } else
179 otmp->spe = rnd(2);
180 } else if (otmp->otyp == RIN_TELEPORTATION ||
181 otmp->otyp == RIN_AGGRAVATE_MONSTER ||
182 otmp->otyp == RIN_HUNGER || !rn2(9))
183 otmp->cursed = 1;
184 break;
185 default:
186 panic("impossible mkobj");
187 }
188 otmp->owt = weight(otmp);
189 return (otmp);
190 }
191
192 int
letter(int c)193 letter(int c)
194 {
195 return (('@' <= c && c <= 'Z') || ('a' <= c && c <= 'z'));
196 }
197
198 int
weight(struct obj * obj)199 weight(struct obj *obj)
200 {
201 int wt = objects[obj->otyp].oc_weight;
202 return (wt ? wt * obj->quan : (obj->quan + 1) / 2);
203 }
204
205 void
mkgold(long num,int x,int y)206 mkgold(long num, int x, int y)
207 {
208 struct gold *gold;
209 long amount = (num ? num : 1 + (rnd(dlevel + 2) * rnd(30)));
210
211 if ((gold = g_at(x, y)) != NULL)
212 gold->amount += amount;
213 else {
214 gold = newgold();
215 gold->ngold = fgold;
216 gold->gx = x;
217 gold->gy = y;
218 gold->amount = amount;
219 fgold = gold;
220 /* do sth with display? */
221 }
222 }
223