1 /* $OpenBSD: hack.mkobj.c,v 1.7 2009/10/27 23:59:25 deraadt 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
66 char mkobjstr[] = "))[[!!!!????%%%%/=**))[[!!!!????%%%%/=**(%";
67
68 struct obj *
mkobj_at(int let,int x,int y)69 mkobj_at(int let, int x, int y)
70 {
71 struct obj *otmp = mkobj(let);
72 otmp->ox = x;
73 otmp->oy = y;
74 otmp->nobj = fobj;
75 fobj = otmp;
76 return(otmp);
77 }
78
79 void
mksobj_at(int otyp,int x,int y)80 mksobj_at(int otyp, int x, int y)
81 {
82 struct obj *otmp = mksobj(otyp);
83 otmp->ox = x;
84 otmp->oy = y;
85 otmp->nobj = fobj;
86 fobj = otmp;
87 }
88
89 struct obj *
mkobj(int let)90 mkobj(int let)
91 {
92 if(!let)
93 let = mkobjstr[rn2(sizeof(mkobjstr) - 1)];
94 return(
95 mksobj(
96 letter(let) ?
97 CORPSE + ((let > 'Z') ? (let-'a'+'Z'-'@'+1) : (let-'@'))
98 : probtype(let)
99 )
100 );
101 }
102
103
104 struct obj zeroobj;
105
106 struct obj *
mksobj(int otyp)107 mksobj(int otyp)
108 {
109 struct obj *otmp;
110 char let = objects[otyp].oc_olet;
111
112 otmp = newobj(0);
113 *otmp = zeroobj;
114 otmp->age = moves;
115 otmp->o_id = flags.ident++;
116 otmp->quan = 1;
117 otmp->olet = let;
118 otmp->otyp = otyp;
119 otmp->dknown = strchr("/=!?*", let) ? 0 : 1;
120 switch(let) {
121 case WEAPON_SYM:
122 otmp->quan = (otmp->otyp <= ROCK) ? rn1(6,6) : 1;
123 if(!rn2(11)) otmp->spe = rnd(3);
124 else if(!rn2(10)) {
125 otmp->cursed = 1;
126 otmp->spe = -rnd(3);
127 }
128 break;
129 case FOOD_SYM:
130 if(otmp->otyp >= CORPSE) break;
131 #ifdef NOT_YET_IMPLEMENTED
132 /* if tins are to be identified, need to adapt doname() etc */
133 if(otmp->otyp == TIN)
134 otmp->spe = rnd(...);
135 #endif /* NOT_YET_IMPLEMENTED */
136 /* fall into next case */
137 case GEM_SYM:
138 otmp->quan = rn2(6) ? 1 : 2;
139 case TOOL_SYM:
140 case CHAIN_SYM:
141 case BALL_SYM:
142 case ROCK_SYM:
143 case POTION_SYM:
144 case SCROLL_SYM:
145 case AMULET_SYM:
146 break;
147 case ARMOR_SYM:
148 if(!rn2(8)) otmp->cursed = 1;
149 if(!rn2(10)) otmp->spe = rnd(3);
150 else if(!rn2(9)) {
151 otmp->spe = -rnd(3);
152 otmp->cursed = 1;
153 }
154 break;
155 case WAND_SYM:
156 if(otmp->otyp == WAN_WISHING) otmp->spe = 3; else
157 otmp->spe = rn1(5,
158 (objects[otmp->otyp].bits & NODIR) ? 11 : 4);
159 break;
160 case RING_SYM:
161 if(objects[otmp->otyp].bits & SPEC) {
162 if(!rn2(3)) {
163 otmp->cursed = 1;
164 otmp->spe = -rnd(2);
165 } else otmp->spe = rnd(2);
166 } else if(otmp->otyp == RIN_TELEPORTATION ||
167 otmp->otyp == RIN_AGGRAVATE_MONSTER ||
168 otmp->otyp == RIN_HUNGER || !rn2(9))
169 otmp->cursed = 1;
170 break;
171 default:
172 panic("impossible mkobj");
173 }
174 otmp->owt = weight(otmp);
175 return(otmp);
176 }
177
178 int
letter(int c)179 letter(int c)
180 {
181 return(('@' <= c && c <= 'Z') || ('a' <= c && c <= 'z'));
182 }
183
184 int
weight(struct obj * obj)185 weight(struct obj *obj)
186 {
187 int wt = objects[obj->otyp].oc_weight;
188
189 return(wt ? wt*obj->quan : (obj->quan + 1)/2);
190 }
191
192 void
mkgold(long num,int x,int y)193 mkgold(long num, int x, int y)
194 {
195 struct gold *gold;
196 long amount = (num ? num : 1 + (rnd(dlevel+2) * rnd(30)));
197
198 if ((gold = g_at(x,y)))
199 gold->amount += amount;
200 else {
201 gold = newgold();
202 gold->ngold = fgold;
203 gold->gx = x;
204 gold->gy = y;
205 gold->amount = amount;
206 fgold = gold;
207 /* do sth with display? */
208 }
209 }
210