xref: /dragonfly/games/hack/hack.wizard.c (revision fb594d7a)
1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.wizard.c - version 1.0.3 */
3 /* $FreeBSD: src/games/hack/hack.wizard.c,v 1.3 1999/11/16 02:57:14 billf Exp $ */
4 
5 /* wizard code - inspired by rogue code from Merlyn Leroy (digi-g!brian) */
6 
7 #include "hack.h"
8 extern struct permonst pm_wizard;
9 
10 #define	WIZSHOT     6	/* one chance in WIZSHOT that wizard will try magic */
11 #define	BOLT_LIM    8	/* from this distance D and 1 will try to hit you */
12 
13 char wizapp[] = "@DNPTUVXcemntx";
14 
15 static void aggravate(void);
16 static void clonewiz(struct monst *);
17 
18 /* If he has found the Amulet, make the wizard appear after some time */
19 void
20 amulet(void)
21 {
22 	struct obj *otmp;
23 	struct monst *mtmp;
24 
25 	if (!flags.made_amulet || !flags.no_of_wizards)
26 		return;
27 	/* find wizard, and wake him if necessary */
28 	for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
29 		if (mtmp->data->mlet == '1' && mtmp->msleep && !rn2(40))
30 			for (otmp = invent; otmp; otmp = otmp->nobj)
31 				if (otmp->olet == AMULET_SYM && !otmp->spe) {
32 					mtmp->msleep = 0;
33 					if (dist(mtmp->mx, mtmp->my) > 2)
34 						pline("You get the creepy feeling that somebody noticed your taking the Amulet.");
35 					return;
36 				}
37 }
38 
39 bool
40 wiz_hit(struct monst *mtmp)
41 {
42 	/* if we have stolen or found the amulet, we disappear */
43 	if (mtmp->minvent && mtmp->minvent->olet == AMULET_SYM &&
44 	    mtmp->minvent->spe == 0) {
45 		/* vanish -- very primitive */
46 		fall_down(mtmp);
47 		return (1);
48 	}
49 
50 	/* if it is lying around someplace, we teleport to it */
51 	if (!carrying(AMULET_OF_YENDOR)) {
52 		struct obj *otmp;
53 
54 		for (otmp = fobj; otmp; otmp = otmp->nobj)
55 			if (otmp->olet == AMULET_SYM && !otmp->spe) {
56 				if ((u.ux != otmp->ox || u.uy != otmp->oy) &&
57 				    !m_at(otmp->ox, otmp->oy)) {
58 					/* teleport to it and pick it up */
59 					mtmp->mx = otmp->ox;
60 					mtmp->my = otmp->oy;
61 					freeobj(otmp);
62 					mpickobj(mtmp, otmp);
63 					pmon(mtmp);
64 					return (0);
65 				}
66 				goto hithim;
67 			}
68 		return (0);	/* we don't know where it is */
69 	}
70 hithim:
71 	if (rn2(2)) {		/* hit - perhaps steal */
72 		/*
73 		 * if hit 1/20 chance of stealing amulet & vanish
74 		 *  - amulet is on level 26 again.
75 		 */
76 		if (hitu(mtmp, d(mtmp->data->damn, mtmp->data->damd))
77 		    && !rn2(20) && stealamulet(mtmp))
78 			return (0);
79 	} else
80 		inrange(mtmp);		/* try magic */
81 	return (0);
82 }
83 
84 void
85 inrange(struct monst *mtmp)
86 {
87 	schar tx, ty;
88 
89 	/* do nothing if cancelled (but make '1' say something) */
90 	if (mtmp->data->mlet != '1' && mtmp->mcan)
91 		return;
92 
93 	/* spit fire only when both in a room or both in a corridor */
94 	if (inroom(u.ux, u.uy) != inroom(mtmp->mx, mtmp->my))
95 		return;
96 	tx = u.ux - mtmp->mx;
97 	ty = u.uy - mtmp->my;
98 	if ((!tx && abs(ty) < BOLT_LIM) || (!ty && abs(tx) < BOLT_LIM)
99 	    || (abs(tx) == abs(ty) && abs(tx) < BOLT_LIM)) {
100 		switch (mtmp->data->mlet) {
101 		case 'D':
102 			/* spit fire in the direction of @ (not nec. hitting) */
103 			buzz(-1, mtmp->mx, mtmp->my, sgn(tx), sgn(ty));
104 			break;
105 		case '1':
106 			if (rn2(WIZSHOT))
107 				break;
108 			/*
109 			 * if you zapped wizard with wand of cancellation, he
110 			 * has to shake off the effects before he can throw
111 			 * spells successfully.  1/2 the time they fail anyway
112 			 */
113 			if (mtmp->mcan || rn2(2)) {
114 				if (canseemon(mtmp))
115 					pline("%s makes a gesture, then curses.",
116 					    Monnam(mtmp));
117 				else
118 					pline("You hear mumbled cursing.");
119 				if (!rn2(3)) {
120 					mtmp->mspeed = 0;
121 					mtmp->minvis = 0;
122 				}
123 				if (!rn2(3))
124 					mtmp->mcan = 0;
125 			} else {
126 				if (canseemon(mtmp)) {
127 					if (!rn2(6) && !Invis) {
128 						pline("%s hypnotizes you.", Monnam(mtmp));
129 						nomul(rn2(3) + 3);
130 						break;
131 					} else
132 						pline("%s chants an incantation.",
133 						    Monnam(mtmp));
134 				} else
135 					pline("You hear a mumbled incantation.");
136 				switch (rn2(Invis ? 5 : 6)) {
137 				case 0:
138 					/* create a nasty monster from a deep level */
139 					/* (for the moment, 'nasty' is not implemented) */
140 					makemon(NULL, u.ux, u.uy);
141 					break;
142 				case 1:
143 					pline("\"Destroy the thief, my pets!\"");
144 					aggravate(); /* aggravate all the monsters */
145 					/* FALLTHROUGH */
146 				case 2:
147 					if (flags.no_of_wizards == 1 && rnd(5) == 0)
148 						/* if only 1 wizard, clone himself */
149 						clonewiz(mtmp);
150 					break;
151 				case 3:
152 					if (mtmp->mspeed == MSLOW)
153 						mtmp->mspeed = 0;
154 					else
155 						mtmp->mspeed = MFAST;
156 					break;
157 				case 4:
158 					mtmp->minvis = 1;
159 					break;
160 				case 5:
161 					/* Only if not Invisible */
162 					pline("You hear a clap of thunder!");
163 					/* shoot a bolt of fire or cold, or a sleep ray */
164 					buzz(-rnd(3), mtmp->mx, mtmp->my, sgn(tx), sgn(ty));
165 					break;
166 				}
167 			}
168 		}
169 		if (u.uhp < 1)
170 			done_in_by(mtmp);
171 	}
172 }
173 
174 static void
175 aggravate(void)
176 {
177 	struct monst *mtmp;
178 
179 	for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
180 		mtmp->msleep = 0;
181 		if (mtmp->mfroz && !rn2(5))
182 			mtmp->mfroz = 0;
183 	}
184 }
185 
186 static void
187 clonewiz(struct monst *mtmp)
188 {
189 	struct monst *mtmp2;
190 
191 	if ((mtmp2 = makemon(PM_WIZARD, mtmp->mx, mtmp->my)) != NULL) {
192 		flags.no_of_wizards = 2;
193 		unpmon(mtmp2);
194 		mtmp2->mappearance = wizapp[rn2(sizeof(wizapp) - 1)];
195 		pmon(mtmp);
196 	}
197 }
198