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 "hack.h"
65 #include "extern.h"
66
67 static const char mkobjstr[] = "))[[!!!!????%%%%/=**))[[!!!!????%%%%/=**(%";
68
69 struct obj *
mkobj_at(int let,int x,int y)70 mkobj_at(int let, int x, int y)
71 {
72 struct obj *otmp = mkobj(let);
73 otmp->ox = x;
74 otmp->oy = y;
75 otmp->nobj = fobj;
76 fobj = otmp;
77 return (otmp);
78 }
79
80 void
mksobj_at(int otyp,int x,int y)81 mksobj_at(int otyp, int x, int y)
82 {
83 struct obj *otmp = mksobj(otyp);
84 otmp->ox = x;
85 otmp->oy = y;
86 otmp->nobj = fobj;
87 fobj = otmp;
88 }
89
90 struct obj *
mkobj(int let)91 mkobj(int let)
92 {
93 if (!let)
94 let = mkobjstr[rn2(sizeof(mkobjstr) - 1)];
95 return (
96 mksobj(
97 letter(let) ?
98 CORPSE + ((let > 'Z') ? (let - 'a' + 'Z' - '@' + 1) : (let - '@'))
99 : probtype(let)
100 )
101 );
102 }
103
104
105 struct obj zeroobj;
106
107 struct obj *
mksobj(int otyp)108 mksobj(int otyp)
109 {
110 struct obj *otmp;
111 char let = objects[otyp].oc_olet;
112
113 otmp = newobj(0);
114 *otmp = zeroobj;
115 otmp->age = moves;
116 otmp->o_id = flags.ident++;
117 otmp->quan = 1;
118 otmp->olet = let;
119 otmp->otyp = otyp;
120 otmp->dknown = strchr("/=!?*", let) ? 0 : 1;
121 switch (let) {
122 case WEAPON_SYM:
123 otmp->quan = (otmp->otyp <= ROCK) ? rn1(6, 6) : 1;
124 if (!rn2(11))
125 otmp->spe = rnd(3);
126 else if (!rn2(10)) {
127 otmp->cursed = 1;
128 otmp->spe = -rnd(3);
129 }
130 break;
131 case FOOD_SYM:
132 if (otmp->otyp >= CORPSE)
133 break;
134 #ifdef NOT_YET_IMPLEMENTED
135 /* if tins are to be identified, need to adapt doname() etc */
136 if (otmp->otyp == TIN)
137 otmp->spe = rnd(...);
138 #endif /* NOT_YET_IMPLEMENTED */
139 /* FALLTHROUGH */
140 case GEM_SYM:
141 otmp->quan = rn2(6) ? 1 : 2;
142 break;
143 case TOOL_SYM:
144 case CHAIN_SYM:
145 case BALL_SYM:
146 case ROCK_SYM:
147 case POTION_SYM:
148 case SCROLL_SYM:
149 case AMULET_SYM:
150 break;
151 case ARMOR_SYM:
152 if (!rn2(8))
153 otmp->cursed = 1;
154 if (!rn2(10))
155 otmp->spe = rnd(3);
156 else if (!rn2(9)) {
157 otmp->spe = -rnd(3);
158 otmp->cursed = 1;
159 }
160 break;
161 case WAND_SYM:
162 if (otmp->otyp == WAN_WISHING)
163 otmp->spe = 3;
164 else
165 otmp->spe = rn1(5,
166 (objects[otmp->otyp].bits & NODIR) ? 11 : 4);
167 break;
168 case RING_SYM:
169 if (objects[otmp->otyp].bits & SPEC) {
170 if (!rn2(3)) {
171 otmp->cursed = 1;
172 otmp->spe = -rnd(2);
173 } else
174 otmp->spe = rnd(2);
175 } else if (otmp->otyp == RIN_TELEPORTATION ||
176 otmp->otyp == RIN_AGGRAVATE_MONSTER ||
177 otmp->otyp == RIN_HUNGER || !rn2(9))
178 otmp->cursed = 1;
179 break;
180 default:
181 panic("impossible mkobj");
182 }
183 otmp->owt = weight(otmp);
184 return (otmp);
185 }
186
187 int
letter(int c)188 letter(int c)
189 {
190 return (('@' <= c && c <= 'Z') || ('a' <= c && c <= 'z'));
191 }
192
193 int
weight(struct obj * obj)194 weight(struct obj *obj)
195 {
196 int wt = objects[obj->otyp].oc_weight;
197 return (wt ? wt * obj->quan : (obj->quan + 1) / 2);
198 }
199
200 void
mkgold(long num,int x,int y)201 mkgold(long num, int x, int y)
202 {
203 struct gold *gold;
204 long amount = (num ? num : 1 + (rnd(dlevel + 2) * rnd(30)));
205
206 if ((gold = g_at(x, y)) != NULL)
207 gold->amount += amount;
208 else {
209 gold = newgold();
210 gold->ngold = fgold;
211 gold->gx = x;
212 gold->gy = y;
213 gold->amount = amount;
214 fgold = gold;
215 /* do sth with display? */
216 }
217 }
218