1 /* $OpenBSD: hack.wizard.c,v 1.7 2016/01/09 18:33:15 mestre 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 /* wizard code - inspired by rogue code from Merlyn Leroy (digi-g!brian) */
65
66 #include <stdlib.h>
67
68 #include "hack.h"
69
70 extern struct permonst pm_wizard;
71
72 static void clonewiz(struct monst *);
73
74 #define WIZSHOT 6 /* one chance in WIZSHOT that wizard will try magic */
75 #define BOLT_LIM 8 /* from this distance D and 1 will try to hit you */
76
77 char wizapp[] = "@DNPTUVXcemntx";
78
79 /* If he has found the Amulet, make the wizard appear after some time */
80 void
amulet(void)81 amulet(void)
82 {
83 struct obj *otmp;
84 struct monst *mtmp;
85
86 if(!flags.made_amulet || !flags.no_of_wizards)
87 return;
88 /* find wizard, and wake him if necessary */
89 for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
90 if(mtmp->data->mlet == '1' && mtmp->msleep && !rn2(40))
91 for(otmp = invent; otmp; otmp = otmp->nobj)
92 if(otmp->olet == AMULET_SYM && !otmp->spe) {
93 mtmp->msleep = 0;
94 if(dist(mtmp->mx,mtmp->my) > 2)
95 pline(
96 "You get the creepy feeling that somebody noticed your taking the Amulet."
97 );
98 return;
99 }
100 }
101
102 int
wiz_hit(struct monst * mtmp)103 wiz_hit(struct monst *mtmp)
104 {
105 /* if we have stolen or found the amulet, we disappear */
106 if(mtmp->minvent && mtmp->minvent->olet == AMULET_SYM &&
107 mtmp->minvent->spe == 0) {
108 /* vanish -- very primitive */
109 fall_down(mtmp);
110 return(1);
111 }
112
113 /* if it is lying around someplace, we teleport to it */
114 if(!carrying(AMULET_OF_YENDOR)) {
115 struct obj *otmp;
116
117 for(otmp = fobj; otmp; otmp = otmp->nobj)
118 if(otmp->olet == AMULET_SYM && !otmp->spe) {
119 if((u.ux != otmp->ox || u.uy != otmp->oy) &&
120 !m_at(otmp->ox, otmp->oy)) {
121
122 /* teleport to it and pick it up */
123 mtmp->mx = otmp->ox;
124 mtmp->my = otmp->oy;
125 freeobj(otmp);
126 mpickobj(mtmp, otmp);
127 pmon(mtmp);
128 return(0);
129 }
130 goto hithim;
131 }
132 return(0); /* we don't know where it is */
133 }
134 hithim:
135 if(rn2(2)) { /* hit - perhaps steal */
136
137 /* if hit 1/20 chance of stealing amulet & vanish
138 - amulet is on level 26 again. */
139 if(hitu(mtmp, d(mtmp->data->damn,mtmp->data->damd))
140 && !rn2(20) && stealamulet(mtmp))
141 ;
142 }
143 else
144 inrange(mtmp); /* try magic */
145 return(0);
146 }
147
148 void
inrange(struct monst * mtmp)149 inrange(struct monst *mtmp)
150 {
151 schar tx,ty;
152
153 /* do nothing if cancelled (but make '1' say something) */
154 if(mtmp->data->mlet != '1' && mtmp->mcan)
155 return;
156
157 /* spit fire only when both in a room or both in a corridor */
158 if(inroom(u.ux,u.uy) != inroom(mtmp->mx,mtmp->my)) return;
159 tx = u.ux - mtmp->mx;
160 ty = u.uy - mtmp->my;
161 if((!tx && abs(ty) < BOLT_LIM) || (!ty && abs(tx) < BOLT_LIM)
162 || (abs(tx) == abs(ty) && abs(tx) < BOLT_LIM)){
163 switch(mtmp->data->mlet) {
164 case 'D':
165 /* spit fire in the direction of @ (not nec. hitting) */
166 buzz(-1,mtmp->mx,mtmp->my,sgn(tx),sgn(ty));
167 break;
168 case '1':
169 if(rn2(WIZSHOT)) break;
170 /* if you zapped wizard with wand of cancellation,
171 he has to shake off the effects before he can throw
172 spells successfully. 1/2 the time they fail anyway */
173 if(mtmp->mcan || rn2(2)) {
174 if(canseemon(mtmp))
175 pline("%s makes a gesture, then curses.",
176 Monnam(mtmp));
177 else
178 pline("You hear mumbled cursing.");
179 if(!rn2(3)) {
180 mtmp->mspeed = 0;
181 mtmp->minvis = 0;
182 }
183 if(!rn2(3))
184 mtmp->mcan = 0;
185 } else {
186 if(canseemon(mtmp)){
187 if(!rn2(6) && !Invis) {
188 pline("%s hypnotizes you.", Monnam(mtmp));
189 nomul(rn2(3) + 3);
190 break;
191 } else
192 pline("%s chants an incantation.",
193 Monnam(mtmp));
194 } else
195 pline("You hear a mumbled incantation.");
196 switch(rn2(Invis ? 5 : 6)) {
197 case 0:
198 /* create a nasty monster from a deep level */
199 /* (for the moment, 'nasty' is not implemented) */
200 (void) makemon((struct permonst *)0, u.ux, u.uy);
201 break;
202 case 1:
203 pline("\"Destroy the thief, my pets!\"");
204 aggravate(); /* aggravate all the monsters */
205 /* fall into next case */
206 case 2:
207 if (flags.no_of_wizards == 1 && rnd(5) == 0)
208 /* if only 1 wizard, clone himself */
209 clonewiz(mtmp);
210 break;
211 case 3:
212 if(mtmp->mspeed == MSLOW)
213 mtmp->mspeed = 0;
214 else
215 mtmp->mspeed = MFAST;
216 break;
217 case 4:
218 mtmp->minvis = 1;
219 break;
220 case 5:
221 /* Only if not Invisible */
222 pline("You hear a clap of thunder!");
223 /* shoot a bolt of fire or cold, or a sleep ray */
224 buzz(-rnd(3),mtmp->mx,mtmp->my,sgn(tx),sgn(ty));
225 break;
226 }
227 }
228 }
229 if(u.uhp < 1) done_in_by(mtmp);
230 }
231 }
232
233 void
aggravate(void)234 aggravate(void)
235 {
236 struct monst *mtmp;
237
238 for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
239 mtmp->msleep = 0;
240 if(mtmp->mfroz && !rn2(5))
241 mtmp->mfroz = 0;
242 }
243 }
244
245 static void
clonewiz(struct monst * mtmp)246 clonewiz(struct monst *mtmp)
247 {
248 struct monst *mtmp2;
249
250 if ((mtmp2 = makemon(PM_WIZARD, mtmp->mx, mtmp->my))) {
251 flags.no_of_wizards = 2;
252 unpmon(mtmp2);
253 mtmp2->mappearance = wizapp[rn2(sizeof(wizapp)-1)];
254 pmon(mtmp);
255 }
256 }
257