xref: /386bsd/usr/src/games/hack/hack.wizard.c (revision a2142627)
1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.wizard.c - version 1.0.3 */
3 
4 /* wizard code - inspired by rogue code from Merlyn Leroy (digi-g!brian) */
5 
6 #include "hack.h"
7 extern struct permonst pm_wizard;
8 extern struct monst *makemon();
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 /* If he has found the Amulet, make the wizard appear after some time */
amulet()16 amulet(){
17 	register struct obj *otmp;
18 	register struct monst *mtmp;
19 
20 	if(!flags.made_amulet || !flags.no_of_wizards)
21 		return;
22 	/* find wizard, and wake him if necessary */
23 	for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
24 	    if(mtmp->data->mlet == '1' && mtmp->msleep && !rn2(40))
25 		for(otmp = invent; otmp; otmp = otmp->nobj)
26 		    if(otmp->olet == AMULET_SYM && !otmp->spe) {
27 			mtmp->msleep = 0;
28 			if(dist(mtmp->mx,mtmp->my) > 2)
29 			    pline(
30     "You get the creepy feeling that somebody noticed your taking the Amulet."
31 			    );
32 			return;
33 		    }
34 }
35 
wiz_hit(mtmp)36 wiz_hit(mtmp)
37 register struct monst *mtmp;
38 {
39 	/* if we have stolen or found the amulet, we disappear */
40 	if(mtmp->minvent && mtmp->minvent->olet == AMULET_SYM &&
41 	    mtmp->minvent->spe == 0) {
42 		/* vanish -- very primitive */
43 		fall_down(mtmp);
44 		return(1);
45 	}
46 
47 	/* if it is lying around someplace, we teleport to it */
48 	if(!carrying(AMULET_OF_YENDOR)) {
49 	    register struct obj *otmp;
50 
51 	    for(otmp = fobj; otmp; otmp = otmp->nobj)
52 		if(otmp->olet == AMULET_SYM && !otmp->spe) {
53 		    if((u.ux != otmp->ox || u.uy != otmp->oy) &&
54 		       !m_at(otmp->ox, otmp->oy)) {
55 
56 			/* teleport to it and pick it up */
57 			mtmp->mx = otmp->ox;
58 			mtmp->my = otmp->oy;
59 			freeobj(otmp);
60 			mpickobj(mtmp, otmp);
61 			pmon(mtmp);
62 			return(0);
63 		    }
64 		    goto hithim;
65 		}
66 	    return(0);				/* we don't know where it is */
67 	}
68 hithim:
69 	if(rn2(2)) {				/* hit - perhaps steal */
70 
71 	    /* if hit 1/20 chance of stealing amulet & vanish
72 		- amulet is on level 26 again. */
73 	    if(hitu(mtmp, d(mtmp->data->damn,mtmp->data->damd))
74 		&& !rn2(20) && stealamulet(mtmp))
75 		;
76 	}
77 	else
78 	    inrange(mtmp);			/* try magic */
79 	return(0);
80 }
81 
inrange(mtmp)82 inrange(mtmp)
83 register struct monst *mtmp;
84 {
85 	register schar tx,ty;
86 
87 	/* do nothing if cancelled (but make '1' say something) */
88 	if(mtmp->data->mlet != '1' && mtmp->mcan)
89 		return;
90 
91 	/* spit fire only when both in a room or both in a corridor */
92 	if(inroom(u.ux,u.uy) != inroom(mtmp->mx,mtmp->my)) return;
93 	tx = u.ux - mtmp->mx;
94 	ty = u.uy - mtmp->my;
95 	if((!tx && abs(ty) < BOLT_LIM) || (!ty && abs(tx) < BOLT_LIM)
96 	    || (abs(tx) == abs(ty) && abs(tx) < BOLT_LIM)){
97 	    switch(mtmp->data->mlet) {
98 	    case 'D':
99 		/* spit fire in the direction of @ (not nec. hitting) */
100 		buzz(-1,mtmp->mx,mtmp->my,sgn(tx),sgn(ty));
101 		break;
102 	    case '1':
103 		if(rn2(WIZSHOT)) break;
104 		/* if you zapped wizard with wand of cancellation,
105 		he has to shake off the effects before he can throw
106 		spells successfully.  1/2 the time they fail anyway */
107 		if(mtmp->mcan || rn2(2)) {
108 		    if(canseemon(mtmp))
109 			pline("%s makes a gesture, then curses.",
110 			    Monnam(mtmp));
111 		    else
112 			pline("You hear mumbled cursing.");
113 		    if(!rn2(3)) {
114 			mtmp->mspeed = 0;
115 			mtmp->minvis = 0;
116 		    }
117 		    if(!rn2(3))
118 			mtmp->mcan = 0;
119 		} else {
120 		    if(canseemon(mtmp)){
121 			if(!rn2(6) && !Invis) {
122 			    pline("%s hypnotizes you.", Monnam(mtmp));
123 			    nomul(rn2(3) + 3);
124 			    break;
125 			} else
126 			    pline("%s chants an incantation.",
127 				Monnam(mtmp));
128 		    } else
129 			    pline("You hear a mumbled incantation.");
130 		    switch(rn2(Invis ? 5 : 6)) {
131 		    case 0:
132 			/* create a nasty monster from a deep level */
133 			/* (for the moment, 'nasty' is not implemented) */
134 			(void) makemon((struct permonst *)0, u.ux, u.uy);
135 			break;
136 		    case 1:
137 			pline("\"Destroy the thief, my pets!\"");
138 			aggravate();	/* aggravate all the monsters */
139 			/* fall into next case */
140 		    case 2:
141 			if (flags.no_of_wizards == 1 && rnd(5) == 0)
142 			    /* if only 1 wizard, clone himself */
143 			    clonewiz(mtmp);
144 			break;
145 		    case 3:
146 			if(mtmp->mspeed == MSLOW)
147 				mtmp->mspeed = 0;
148 			else
149 				mtmp->mspeed = MFAST;
150 			break;
151 		    case 4:
152 			mtmp->minvis = 1;
153 			break;
154 		    case 5:
155 			/* Only if not Invisible */
156 			pline("You hear a clap of thunder!");
157 			/* shoot a bolt of fire or cold, or a sleep ray */
158 			buzz(-rnd(3),mtmp->mx,mtmp->my,sgn(tx),sgn(ty));
159 			break;
160 		    }
161 		}
162 	    }
163 	    if(u.uhp < 1) done_in_by(mtmp);
164 	}
165 }
166 
aggravate()167 aggravate()
168 {
169 	register struct monst *mtmp;
170 
171 	for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
172 		mtmp->msleep = 0;
173 		if(mtmp->mfroz && !rn2(5))
174 			mtmp->mfroz = 0;
175 	}
176 }
177 
clonewiz(mtmp)178 clonewiz(mtmp)
179 register struct monst *mtmp;
180 {
181 	register struct monst *mtmp2;
182 
183 	if(mtmp2 = makemon(PM_WIZARD, mtmp->mx, mtmp->my)) {
184 		flags.no_of_wizards = 2;
185 		unpmon(mtmp2);
186 		mtmp2->mappearance = wizapp[rn2(sizeof(wizapp)-1)];
187 		pmon(mtmp);
188 	}
189 }
190