Source:NetHack 3.0.0/were.c

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1.    /*	SCCS Id: @(#)were.c	3.0	88/07/06
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    /* NetHack may be freely redistributed.  See license for details. */
4.    
5.    #include	"hack.h"
6.    
7.    void
8.    were_change(mon)
9.    register struct monst *mon;
10.   {
11.   	register int pm = monsndx(mon->data);
12.   
13.   	if(Protection_from_shape_changers) return;
14.   	if(is_were(mon->data))
15.   	    if(is_human(mon->data)) {
16.   		if(!rn2(50-(night()*20)) || flags.moonphase == FULL_MOON) {
17.   		    new_were(mon);
18.   		    if(pm != PM_WERERAT && flags.soundok)
19.   			You("hear a %s howling at the moon.",
20.   			      pm == PM_WEREJACKAL ? "jackal" : "wolf");
21.   		}
22.   	    } else if(!rn2(30)) new_were(mon);
23.   }
24.   
25.   void
26.   new_were(mon)
27.   register struct monst *mon;
28.   {
29.   	int pm;
30.   
31.   	switch((pm = monsndx(mon->data))) {
32.   
33.   	    case PM_WEREWOLF:	pm = PM_WOLFWERE;
34.   				break;
35.   	    case PM_WOLFWERE:	pm = PM_WEREWOLF;
36.   				break;
37.   	    case PM_WEREJACKAL:	pm = PM_JACKALWERE;
38.   				break;
39.   	    case PM_JACKALWERE:	pm = PM_WEREJACKAL;
40.   				break;
41.   	    case PM_WERERAT:	pm = PM_RATWERE;
42.   				break;
43.   	    case PM_RATWERE:	pm = PM_WERERAT;
44.   				break;
45.   	    default:	impossible("unknown lycanthrope %s.", mon->data->mname);
46.   			return;
47.   	}
48.   
49.   	if(canseemon(mon))
50.   	    pline("%s changes into a %s.", Monnam(mon), mons[pm].mname);
51.   
52.   	mon->data = &mons[pm];
53.   	/* regenerate by 1/4 of the lost hit points */
54.   	mon->mhp += (mon->mhpmax - mon->mhp) / 4;
55.   	unpmon(mon);
56.   	pmon(mon);		/* display new appearance */
57.   }
58.   
59.   boolean
60.   were_summon(ptr,yours)	/* were-creature (even you) summons a horde */
61.   register struct permonst *ptr;
62.   register boolean yours;
63.   {
64.   	register int i, typ, pm = monsndx(ptr);
65.   	register struct monst *mtmp;
66.   	boolean success = FALSE;
67.   
68.   	if(Protection_from_shape_changers)
69.   		return FALSE;
70.   	for(i = rnd(5); i > 0; i--) {
71.   	   switch(pm) {
72.   
73.   		case PM_WERERAT:
74.   		case PM_RATWERE:
75.   			typ = rn2(3) ? PM_SEWER_RAT : rn2(3) ? PM_GIANT_RAT : PM_RABID_RAT ;
76.   			break;
77.   		case PM_WEREJACKAL:
78.   		case PM_JACKALWERE:
79.   			typ = PM_JACKAL;
80.   			break;
81.   		case PM_WEREWOLF:
82.   		case PM_WOLFWERE:
83.   			typ = rn2(5) ? PM_WOLF : PM_WINTER_WOLF ;
84.   			break;
85.   		default:
86.   			continue;
87.   	    }
88.   	    mtmp = makemon(&mons[typ], u.ux, u.uy);
89.   	    if (mtmp) success = TRUE;
90.   	    if (yours && mtmp)
91.   		(void) tamedog(mtmp, (struct obj *) 0);
92.   	}
93.   	return success;
94.   }
95.   
96.   #ifdef POLYSELF
97.   void
98.   you_were() {
99.   	if(u.umonnum == u.ulycn) return;
100.  	if(Polymorph_control) {
101.  	    pline("Do you want to change into a %s? ", mons[u.ulycn].mname);
102.  	    if(yn() == 'n') return;
103.  	}
104.  	(void) polymon(u.ulycn);
105.  }
106.  #endif