1 /* $NetBSD: hack.wizard.c,v 1.10 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.wizard.c,v 1.10 2011/08/07 06:03:45 dholland Exp $");
67 #endif /* not lint */
68
69 /* wizard code - inspired by rogue code from Merlyn Leroy (digi-g!brian) */
70
71 #include "hack.h"
72 #include "extern.h"
73
74 #define WIZSHOT 6 /* one chance in WIZSHOT that wizard will try
75 * magic */
76 #define BOLT_LIM 8 /* from this distance D and 1 will try to hit
77 * you */
78
79 static const char wizapp[] = "@DNPTUVXcemntx";
80
81 static void aggravate(void);
82 static void clonewiz(struct monst *);
83
84
85 /* If he has found the Amulet, make the wizard appear after some time */
86 void
amulet(void)87 amulet(void)
88 {
89 struct obj *otmp;
90 struct monst *mtmp;
91
92 if (!flags.made_amulet || !flags.no_of_wizards)
93 return;
94 /* find wizard, and wake him if necessary */
95 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
96 if (mtmp->data->mlet == '1' && mtmp->msleep && !rn2(40))
97 for (otmp = invent; otmp; otmp = otmp->nobj)
98 if (otmp->olet == AMULET_SYM && !otmp->spe) {
99 mtmp->msleep = 0;
100 if (dist(mtmp->mx, mtmp->my) > 2)
101 pline(
102 "You get the creepy feeling that somebody noticed your taking the Amulet."
103 );
104 return;
105 }
106 }
107
108 int
wiz_hit(struct monst * mtmp)109 wiz_hit(struct monst *mtmp)
110 {
111 /* if we have stolen or found the amulet, we disappear */
112 if (mtmp->minvent && mtmp->minvent->olet == AMULET_SYM &&
113 mtmp->minvent->spe == 0) {
114 /* vanish -- very primitive */
115 fall_down(mtmp);
116 return (1);
117 }
118 /* if it is lying around someplace, we teleport to it */
119 if (!carrying(AMULET_OF_YENDOR)) {
120 struct obj *otmp;
121
122 for (otmp = fobj; otmp; otmp = otmp->nobj)
123 if (otmp->olet == AMULET_SYM && !otmp->spe) {
124 if ((u.ux != otmp->ox || u.uy != otmp->oy) &&
125 !m_at(otmp->ox, otmp->oy)) {
126
127 /* teleport to it and pick it up */
128 mtmp->mx = otmp->ox;
129 mtmp->my = otmp->oy;
130 freeobj(otmp);
131 mpickobj(mtmp, otmp);
132 pmon(mtmp);
133 return (0);
134 }
135 goto hithim;
136 }
137 return (0); /* we don't know where it is */
138 }
139 hithim:
140 if (rn2(2)) { /* hit - perhaps steal */
141
142 /*
143 * if hit 1/20 chance of stealing amulet & vanish - amulet is
144 * on level 26 again.
145 */
146 if (hitu(mtmp, d(mtmp->data->damn, mtmp->data->damd))
147 && !rn2(20) && stealamulet(mtmp)) {
148 /* nothing */
149 }
150 } else
151 inrange(mtmp); /* try magic */
152 return (0);
153 }
154
155 void
inrange(struct monst * mtmp)156 inrange(struct monst *mtmp)
157 {
158 schar tx, ty;
159
160 /* do nothing if cancelled (but make '1' say something) */
161 if (mtmp->data->mlet != '1' && mtmp->mcan)
162 return;
163
164 /* spit fire only when both in a room or both in a corridor */
165 if (inroom(u.ux, u.uy) != inroom(mtmp->mx, mtmp->my))
166 return;
167 tx = u.ux - mtmp->mx;
168 ty = u.uy - mtmp->my;
169 if ((!tx && abs(ty) < BOLT_LIM) || (!ty && abs(tx) < BOLT_LIM)
170 || (abs(tx) == abs(ty) && abs(tx) < BOLT_LIM)) {
171 switch (mtmp->data->mlet) {
172 case 'D':
173 /* spit fire in the direction of @ (not nec. hitting) */
174 buzz(-1, mtmp->mx, mtmp->my, sgn(tx), sgn(ty));
175 break;
176 case '1':
177 if (rn2(WIZSHOT))
178 break;
179 /*
180 * if you zapped wizard with wand of cancellation, he
181 * has to shake off the effects before he can throw
182 * spells successfully. 1/2 the time they fail
183 * anyway
184 */
185 if (mtmp->mcan || rn2(2)) {
186 if (canseemon(mtmp))
187 pline("%s makes a gesture, then curses.",
188 Monnam(mtmp));
189 else
190 pline("You hear mumbled cursing.");
191 if (!rn2(3)) {
192 mtmp->mspeed = 0;
193 mtmp->minvis = 0;
194 }
195 if (!rn2(3))
196 mtmp->mcan = 0;
197 } else {
198 if (canseemon(mtmp)) {
199 if (!rn2(6) && !Invis) {
200 pline("%s hypnotizes you.", Monnam(mtmp));
201 nomul(rn2(3) + 3);
202 break;
203 } else
204 pline("%s chants an incantation.",
205 Monnam(mtmp));
206 } else
207 pline("You hear a mumbled incantation.");
208 switch (rn2(Invis ? 5 : 6)) {
209 case 0:
210 /*
211 * create a nasty monster from a deep
212 * level
213 */
214 /*
215 * (for the moment, 'nasty' is not
216 * implemented)
217 */
218 (void) makemon((struct permonst *) 0, u.ux, u.uy);
219 break;
220 case 1:
221 pline("\"Destroy the thief, my pets!\"");
222 aggravate(); /* aggravate all the
223 * monsters */
224 /* FALLTHROUGH */
225 case 2:
226 if (flags.no_of_wizards == 1 && rnd(5) == 0)
227 /*
228 * if only 1 wizard, clone
229 * himself
230 */
231 clonewiz(mtmp);
232 break;
233 case 3:
234 if (mtmp->mspeed == MSLOW)
235 mtmp->mspeed = 0;
236 else
237 mtmp->mspeed = MFAST;
238 break;
239 case 4:
240 mtmp->minvis = 1;
241 break;
242 case 5:
243 /* Only if not Invisible */
244 pline("You hear a clap of thunder!");
245 /*
246 * shoot a bolt of fire or cold, or a
247 * sleep ray
248 */
249 buzz(-rnd(3), mtmp->mx, mtmp->my, sgn(tx), sgn(ty));
250 break;
251 }
252 }
253 }
254 if (u.uhp < 1)
255 done_in_by(mtmp);
256 }
257 }
258
259 void
aggravate(void)260 aggravate(void)
261 {
262 struct monst *mtmp;
263
264 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
265 mtmp->msleep = 0;
266 if (mtmp->mfroz && !rn2(5))
267 mtmp->mfroz = 0;
268 }
269 }
270
271 void
clonewiz(struct monst * mtmp)272 clonewiz(struct monst *mtmp)
273 {
274 struct monst *mtmp2;
275
276 if ((mtmp2 = makemon(PM_WIZARD, mtmp->mx, mtmp->my)) != NULL) {
277 flags.no_of_wizards = 2;
278 unpmon(mtmp2);
279 mtmp2->mappearance = wizapp[rn2(sizeof(wizapp) - 1)];
280 pmon(mtmp);
281 }
282 }
283