xref: /netbsd-src/games/hack/hack.wizard.c (revision 76dfffe33547c37f8bdd446e3e4ab0f3c16cea4b)
1 /*
2  * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
3  */
4 
5 #ifndef lint
6 static char rcsid[] = "$NetBSD: hack.wizard.c,v 1.3 1995/03/23 08:32:09 cgd Exp $";
7 #endif /* not lint */
8 
9 /* wizard code - inspired by rogue code from Merlyn Leroy (digi-g!brian) */
10 
11 #include "hack.h"
12 extern struct permonst pm_wizard;
13 extern struct monst *makemon();
14 
15 #define	WIZSHOT	    6	/* one chance in WIZSHOT that wizard will try magic */
16 #define	BOLT_LIM    8	/* from this distance D and 1 will try to hit you */
17 
18 char wizapp[] = "@DNPTUVXcemntx";
19 
20 /* If he has found the Amulet, make the wizard appear after some time */
21 amulet(){
22 	register struct obj *otmp;
23 	register 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(
35     "You get the creepy feeling that somebody noticed your taking the Amulet."
36 			    );
37 			return;
38 		    }
39 }
40 
41 wiz_hit(mtmp)
42 register struct monst *mtmp;
43 {
44 	/* if we have stolen or found the amulet, we disappear */
45 	if(mtmp->minvent && mtmp->minvent->olet == AMULET_SYM &&
46 	    mtmp->minvent->spe == 0) {
47 		/* vanish -- very primitive */
48 		fall_down(mtmp);
49 		return(1);
50 	}
51 
52 	/* if it is lying around someplace, we teleport to it */
53 	if(!carrying(AMULET_OF_YENDOR)) {
54 	    register struct obj *otmp;
55 
56 	    for(otmp = fobj; otmp; otmp = otmp->nobj)
57 		if(otmp->olet == AMULET_SYM && !otmp->spe) {
58 		    if((u.ux != otmp->ox || u.uy != otmp->oy) &&
59 		       !m_at(otmp->ox, otmp->oy)) {
60 
61 			/* teleport to it and pick it up */
62 			mtmp->mx = otmp->ox;
63 			mtmp->my = otmp->oy;
64 			freeobj(otmp);
65 			mpickobj(mtmp, otmp);
66 			pmon(mtmp);
67 			return(0);
68 		    }
69 		    goto hithim;
70 		}
71 	    return(0);				/* we don't know where it is */
72 	}
73 hithim:
74 	if(rn2(2)) {				/* hit - perhaps steal */
75 
76 	    /* if hit 1/20 chance of stealing amulet & vanish
77 		- amulet is on level 26 again. */
78 	    if(hitu(mtmp, d(mtmp->data->damn,mtmp->data->damd))
79 		&& !rn2(20) && stealamulet(mtmp))
80 		;
81 	}
82 	else
83 	    inrange(mtmp);			/* try magic */
84 	return(0);
85 }
86 
87 inrange(mtmp)
88 register struct monst *mtmp;
89 {
90 	register schar tx,ty;
91 
92 	/* do nothing if cancelled (but make '1' say something) */
93 	if(mtmp->data->mlet != '1' && mtmp->mcan)
94 		return;
95 
96 	/* spit fire only when both in a room or both in a corridor */
97 	if(inroom(u.ux,u.uy) != inroom(mtmp->mx,mtmp->my)) return;
98 	tx = u.ux - mtmp->mx;
99 	ty = u.uy - mtmp->my;
100 	if((!tx && abs(ty) < BOLT_LIM) || (!ty && abs(tx) < BOLT_LIM)
101 	    || (abs(tx) == abs(ty) && abs(tx) < BOLT_LIM)){
102 	    switch(mtmp->data->mlet) {
103 	    case 'D':
104 		/* spit fire in the direction of @ (not nec. hitting) */
105 		buzz(-1,mtmp->mx,mtmp->my,sgn(tx),sgn(ty));
106 		break;
107 	    case '1':
108 		if(rn2(WIZSHOT)) break;
109 		/* if you zapped wizard with wand of cancellation,
110 		he has to shake off the effects before he can throw
111 		spells successfully.  1/2 the time they fail anyway */
112 		if(mtmp->mcan || rn2(2)) {
113 		    if(canseemon(mtmp))
114 			pline("%s makes a gesture, then curses.",
115 			    Monnam(mtmp));
116 		    else
117 			pline("You hear mumbled cursing.");
118 		    if(!rn2(3)) {
119 			mtmp->mspeed = 0;
120 			mtmp->minvis = 0;
121 		    }
122 		    if(!rn2(3))
123 			mtmp->mcan = 0;
124 		} else {
125 		    if(canseemon(mtmp)){
126 			if(!rn2(6) && !Invis) {
127 			    pline("%s hypnotizes you.", Monnam(mtmp));
128 			    nomul(rn2(3) + 3);
129 			    break;
130 			} else
131 			    pline("%s chants an incantation.",
132 				Monnam(mtmp));
133 		    } else
134 			    pline("You hear a mumbled incantation.");
135 		    switch(rn2(Invis ? 5 : 6)) {
136 		    case 0:
137 			/* create a nasty monster from a deep level */
138 			/* (for the moment, 'nasty' is not implemented) */
139 			(void) makemon((struct permonst *)0, u.ux, u.uy);
140 			break;
141 		    case 1:
142 			pline("\"Destroy the thief, my pets!\"");
143 			aggravate();	/* aggravate all the monsters */
144 			/* fall into next case */
145 		    case 2:
146 			if (flags.no_of_wizards == 1 && rnd(5) == 0)
147 			    /* if only 1 wizard, clone himself */
148 			    clonewiz(mtmp);
149 			break;
150 		    case 3:
151 			if(mtmp->mspeed == MSLOW)
152 				mtmp->mspeed = 0;
153 			else
154 				mtmp->mspeed = MFAST;
155 			break;
156 		    case 4:
157 			mtmp->minvis = 1;
158 			break;
159 		    case 5:
160 			/* Only if not Invisible */
161 			pline("You hear a clap of thunder!");
162 			/* shoot a bolt of fire or cold, or a sleep ray */
163 			buzz(-rnd(3),mtmp->mx,mtmp->my,sgn(tx),sgn(ty));
164 			break;
165 		    }
166 		}
167 	    }
168 	    if(u.uhp < 1) done_in_by(mtmp);
169 	}
170 }
171 
172 aggravate()
173 {
174 	register struct monst *mtmp;
175 
176 	for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
177 		mtmp->msleep = 0;
178 		if(mtmp->mfroz && !rn2(5))
179 			mtmp->mfroz = 0;
180 	}
181 }
182 
183 clonewiz(mtmp)
184 register struct monst *mtmp;
185 {
186 	register struct monst *mtmp2;
187 
188 	if(mtmp2 = makemon(PM_WIZARD, mtmp->mx, mtmp->my)) {
189 		flags.no_of_wizards = 2;
190 		unpmon(mtmp2);
191 		mtmp2->mappearance = wizapp[rn2(sizeof(wizapp)-1)];
192 		pmon(mtmp);
193 	}
194 }
195