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 /* wizard code - inspired by rogue code from Merlyn Leroy (digi-g!brian) */
65
66 #include "hack.h"
67 #include "extern.h"
68
69 #define WIZSHOT 6 /* one chance in WIZSHOT that wizard will try
70 * magic */
71 #define BOLT_LIM 8 /* from this distance D and 1 will try to hit
72 * you */
73
74 static const char wizapp[] = "@DNPTUVXcemntx";
75
76 static void aggravate(void);
77 static void clonewiz(struct monst *);
78
79
80 /* If he has found the Amulet, make the wizard appear after some time */
81 void
amulet(void)82 amulet(void)
83 {
84 struct obj *otmp;
85 struct monst *mtmp;
86
87 if (!flags.made_amulet || !flags.no_of_wizards)
88 return;
89 /* find wizard, and wake him if necessary */
90 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
91 if (mtmp->data->mlet == '1' && mtmp->msleep && !rn2(40))
92 for (otmp = invent; otmp; otmp = otmp->nobj)
93 if (otmp->olet == AMULET_SYM && !otmp->spe) {
94 mtmp->msleep = 0;
95 if (dist(mtmp->mx, mtmp->my) > 2)
96 pline(
97 "You get the creepy feeling that somebody noticed your taking the Amulet."
98 );
99 return;
100 }
101 }
102
103 int
wiz_hit(struct monst * mtmp)104 wiz_hit(struct monst *mtmp)
105 {
106 /* if we have stolen or found the amulet, we disappear */
107 if (mtmp->minvent && mtmp->minvent->olet == AMULET_SYM &&
108 mtmp->minvent->spe == 0) {
109 /* vanish -- very primitive */
110 fall_down(mtmp);
111 return (1);
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 /*
138 * if hit 1/20 chance of stealing amulet & vanish - amulet is
139 * on level 26 again.
140 */
141 if (hitu(mtmp, d(mtmp->data->damn, mtmp->data->damd))
142 && !rn2(20) && stealamulet(mtmp)) {
143 /* nothing */
144 }
145 } else
146 inrange(mtmp); /* try magic */
147 return (0);
148 }
149
150 void
inrange(struct monst * mtmp)151 inrange(struct monst *mtmp)
152 {
153 schar tx, ty;
154
155 /* do nothing if cancelled (but make '1' say something) */
156 if (mtmp->data->mlet != '1' && mtmp->mcan)
157 return;
158
159 /* spit fire only when both in a room or both in a corridor */
160 if (inroom(u.ux, u.uy) != inroom(mtmp->mx, mtmp->my))
161 return;
162 tx = u.ux - mtmp->mx;
163 ty = u.uy - mtmp->my;
164 if ((!tx && abs(ty) < BOLT_LIM) || (!ty && abs(tx) < BOLT_LIM)
165 || (abs(tx) == abs(ty) && abs(tx) < BOLT_LIM)) {
166 switch (mtmp->data->mlet) {
167 case 'D':
168 /* spit fire in the direction of @ (not nec. hitting) */
169 buzz(-1, mtmp->mx, mtmp->my, sgn(tx), sgn(ty));
170 break;
171 case '1':
172 if (rn2(WIZSHOT))
173 break;
174 /*
175 * if you zapped wizard with wand of cancellation, he
176 * has to shake off the effects before he can throw
177 * spells successfully. 1/2 the time they fail
178 * anyway
179 */
180 if (mtmp->mcan || rn2(2)) {
181 if (canseemon(mtmp))
182 pline("%s makes a gesture, then curses.",
183 Monnam(mtmp));
184 else
185 pline("You hear mumbled cursing.");
186 if (!rn2(3)) {
187 mtmp->mspeed = 0;
188 mtmp->minvis = 0;
189 }
190 if (!rn2(3))
191 mtmp->mcan = 0;
192 } else {
193 if (canseemon(mtmp)) {
194 if (!rn2(6) && !Invis) {
195 pline("%s hypnotizes you.", Monnam(mtmp));
196 nomul(rn2(3) + 3);
197 break;
198 } else
199 pline("%s chants an incantation.",
200 Monnam(mtmp));
201 } else
202 pline("You hear a mumbled incantation.");
203 switch (rn2(Invis ? 5 : 6)) {
204 case 0:
205 /*
206 * create a nasty monster from a deep
207 * level
208 */
209 /*
210 * (for the moment, 'nasty' is not
211 * implemented)
212 */
213 (void) makemon((struct permonst *) 0, u.ux, u.uy);
214 break;
215 case 1:
216 pline("\"Destroy the thief, my pets!\"");
217 aggravate(); /* aggravate all the
218 * monsters */
219 /* FALLTHROUGH */
220 case 2:
221 if (flags.no_of_wizards == 1 && rnd(5) == 0)
222 /*
223 * if only 1 wizard, clone
224 * himself
225 */
226 clonewiz(mtmp);
227 break;
228 case 3:
229 if (mtmp->mspeed == MSLOW)
230 mtmp->mspeed = 0;
231 else
232 mtmp->mspeed = MFAST;
233 break;
234 case 4:
235 mtmp->minvis = 1;
236 break;
237 case 5:
238 /* Only if not Invisible */
239 pline("You hear a clap of thunder!");
240 /*
241 * shoot a bolt of fire or cold, or a
242 * sleep ray
243 */
244 buzz(-rnd(3), mtmp->mx, mtmp->my, sgn(tx), sgn(ty));
245 break;
246 }
247 }
248 }
249 if (u.uhp < 1)
250 done_in_by(mtmp);
251 }
252 }
253
254 void
aggravate(void)255 aggravate(void)
256 {
257 struct monst *mtmp;
258
259 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
260 mtmp->msleep = 0;
261 if (mtmp->mfroz && !rn2(5))
262 mtmp->mfroz = 0;
263 }
264 }
265
266 void
clonewiz(struct monst * mtmp)267 clonewiz(struct monst *mtmp)
268 {
269 struct monst *mtmp2;
270
271 if ((mtmp2 = makemon(PM_WIZARD, mtmp->mx, mtmp->my)) != NULL) {
272 flags.no_of_wizards = 2;
273 unpmon(mtmp2);
274 mtmp2->mappearance = wizapp[rn2(sizeof(wizapp) - 1)];
275 pmon(mtmp);
276 }
277 }
278