xref: /dragonfly/games/hack/hack.wizard.c (revision 1de703da)
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 /* $DragonFly: src/games/hack/hack.wizard.c,v 1.2 2003/06/17 04:25:24 dillon Exp $ */
5 
6 /* wizard code - inspired by rogue code from Merlyn Leroy (digi-g!brian) */
7 
8 #include "hack.h"
9 extern struct permonst pm_wizard;
10 extern struct monst *makemon();
11 
12 #define	WIZSHOT	    6	/* one chance in WIZSHOT that wizard will try magic */
13 #define	BOLT_LIM    8	/* from this distance D and 1 will try to hit you */
14 
15 char wizapp[] = "@DNPTUVXcemntx";
16 
17 /* If he has found the Amulet, make the wizard appear after some time */
18 amulet(){
19 	struct obj *otmp;
20 	struct monst *mtmp;
21 
22 	if(!flags.made_amulet || !flags.no_of_wizards)
23 		return;
24 	/* find wizard, and wake him if necessary */
25 	for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
26 	    if(mtmp->data->mlet == '1' && mtmp->msleep && !rn2(40))
27 		for(otmp = invent; otmp; otmp = otmp->nobj)
28 		    if(otmp->olet == AMULET_SYM && !otmp->spe) {
29 			mtmp->msleep = 0;
30 			if(dist(mtmp->mx,mtmp->my) > 2)
31 			    pline(
32     "You get the creepy feeling that somebody noticed your taking the Amulet."
33 			    );
34 			return;
35 		    }
36 }
37 
38 wiz_hit(mtmp)
39 struct monst *mtmp;
40 {
41 	/* if we have stolen or found the amulet, we disappear */
42 	if(mtmp->minvent && mtmp->minvent->olet == AMULET_SYM &&
43 	    mtmp->minvent->spe == 0) {
44 		/* vanish -- very primitive */
45 		fall_down(mtmp);
46 		return(1);
47 	}
48 
49 	/* if it is lying around someplace, we teleport to it */
50 	if(!carrying(AMULET_OF_YENDOR)) {
51 	    struct obj *otmp;
52 
53 	    for(otmp = fobj; otmp; otmp = otmp->nobj)
54 		if(otmp->olet == AMULET_SYM && !otmp->spe) {
55 		    if((u.ux != otmp->ox || u.uy != otmp->oy) &&
56 		       !m_at(otmp->ox, otmp->oy)) {
57 
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 	    if(hitu(mtmp, d(mtmp->data->damn,mtmp->data->damd))
76 		&& !rn2(20) && stealamulet(mtmp))
77 		;
78 	}
79 	else
80 	    inrange(mtmp);			/* try magic */
81 	return(0);
82 }
83 
84 inrange(mtmp)
85 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)) return;
95 	tx = u.ux - mtmp->mx;
96 	ty = u.uy - mtmp->my;
97 	if((!tx && abs(ty) < BOLT_LIM) || (!ty && abs(tx) < BOLT_LIM)
98 	    || (abs(tx) == abs(ty) && abs(tx) < BOLT_LIM)){
99 	    switch(mtmp->data->mlet) {
100 	    case 'D':
101 		/* spit fire in the direction of @ (not nec. hitting) */
102 		buzz(-1,mtmp->mx,mtmp->my,sgn(tx),sgn(ty));
103 		break;
104 	    case '1':
105 		if(rn2(WIZSHOT)) break;
106 		/* if you zapped wizard with wand of cancellation,
107 		he has to shake off the effects before he can throw
108 		spells successfully.  1/2 the time they fail anyway */
109 		if(mtmp->mcan || rn2(2)) {
110 		    if(canseemon(mtmp))
111 			pline("%s makes a gesture, then curses.",
112 			    Monnam(mtmp));
113 		    else
114 			pline("You hear mumbled cursing.");
115 		    if(!rn2(3)) {
116 			mtmp->mspeed = 0;
117 			mtmp->minvis = 0;
118 		    }
119 		    if(!rn2(3))
120 			mtmp->mcan = 0;
121 		} else {
122 		    if(canseemon(mtmp)){
123 			if(!rn2(6) && !Invis) {
124 			    pline("%s hypnotizes you.", Monnam(mtmp));
125 			    nomul(rn2(3) + 3);
126 			    break;
127 			} else
128 			    pline("%s chants an incantation.",
129 				Monnam(mtmp));
130 		    } else
131 			    pline("You hear a mumbled incantation.");
132 		    switch(rn2(Invis ? 5 : 6)) {
133 		    case 0:
134 			/* create a nasty monster from a deep level */
135 			/* (for the moment, 'nasty' is not implemented) */
136 			(void) makemon((struct permonst *)0, u.ux, u.uy);
137 			break;
138 		    case 1:
139 			pline("\"Destroy the thief, my pets!\"");
140 			aggravate();	/* aggravate all the monsters */
141 			/* fall into next case */
142 		    case 2:
143 			if (flags.no_of_wizards == 1 && rnd(5) == 0)
144 			    /* if only 1 wizard, clone himself */
145 			    clonewiz(mtmp);
146 			break;
147 		    case 3:
148 			if(mtmp->mspeed == MSLOW)
149 				mtmp->mspeed = 0;
150 			else
151 				mtmp->mspeed = MFAST;
152 			break;
153 		    case 4:
154 			mtmp->minvis = 1;
155 			break;
156 		    case 5:
157 			/* Only if not Invisible */
158 			pline("You hear a clap of thunder!");
159 			/* shoot a bolt of fire or cold, or a sleep ray */
160 			buzz(-rnd(3),mtmp->mx,mtmp->my,sgn(tx),sgn(ty));
161 			break;
162 		    }
163 		}
164 	    }
165 	    if(u.uhp < 1) done_in_by(mtmp);
166 	}
167 }
168 
169 aggravate()
170 {
171 	struct monst *mtmp;
172 
173 	for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
174 		mtmp->msleep = 0;
175 		if(mtmp->mfroz && !rn2(5))
176 			mtmp->mfroz = 0;
177 	}
178 }
179 
180 clonewiz(mtmp)
181 struct monst *mtmp;
182 {
183 	struct monst *mtmp2;
184 
185 	if(mtmp2 = makemon(PM_WIZARD, mtmp->mx, mtmp->my)) {
186 		flags.no_of_wizards = 2;
187 		unpmon(mtmp2);
188 		mtmp2->mappearance = wizapp[rn2(sizeof(wizapp)-1)];
189 		pmon(mtmp);
190 	}
191 }
192