Source:NetHack 3.2.0/minion.c

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1.    /*	SCCS Id: @(#)minion.c	3.2	95/12/20	*/
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    /* NetHack may be freely redistributed.  See license for details. */
4.    
5.    #include "hack.h"
6.    #include "emin.h"
7.    #include "epri.h"
8.    
9.    void
10.   msummon(ptr)		/* ptr summons a monster */
11.   register struct permonst *ptr;
12.   {
13.   	register int dtype = 0, cnt = 0;
14.   	aligntyp atyp = sgn(ptr->maligntyp);
15.   
16.   	if (is_dprince(ptr) || (ptr == &mons[PM_WIZARD_OF_YENDOR])) {
17.   	    dtype = (!rn2(20)) ? dprince(atyp) :
18.   				 (!rn2(4)) ? dlord(atyp) : ndemon(atyp);
19.   	    cnt = (!rn2(4) && !is_ndemon(&mons[dtype])) ? 2 : 1;
20.   	} else if (is_dlord(ptr)) {
21.   	    dtype = (!rn2(50)) ? dprince(atyp) :
22.   				 (!rn2(20)) ? dlord(atyp) : ndemon(atyp);
23.   	    cnt = (!rn2(4) && is_ndemon(&mons[dtype])) ? 2 : 1;
24.   	} else if (is_ndemon(ptr)) {
25.   	    dtype = (!rn2(20)) ? dlord(atyp) :
26.   				 (!rn2(6)) ? ndemon(atyp) : monsndx(ptr);
27.   	    cnt = 1;
28.   	} else if (is_lminion(ptr)) {
29.   	    dtype = (is_lord(ptr) && !rn2(20)) ? llord() :
30.   		     (is_lord(ptr) || !rn2(6)) ? lminion() : monsndx(ptr);
31.   	    cnt = (!rn2(4) && !is_lord(&mons[dtype])) ? 2 : 1;
32.   	}
33.   
34.   	if (!dtype) return;
35.   
36.   	/* sanity checks */
37.   	if (cnt > 1 && (mons[dtype].geno & G_UNIQ)) cnt = 1;
38.   	/*
39.   	 * If this daemon is unique and being re-summoned (the only way we
40.   	 * could get this far with an extinct dtype), try another.
41.   	 */
42.   	if (mvitals[dtype].mvflags & G_GONE) {
43.   	    dtype = ndemon(atyp);
44.   	    if (!dtype) return;
45.   	}
46.   
47.   	while (cnt > 0) {
48.   	    (void)makemon(&mons[dtype], u.ux, u.uy);
49.   	    cnt--;
50.   	}
51.   	return;
52.   }
53.   
54.   void
55.   summon_minion(alignment, talk)
56.   aligntyp alignment;
57.   boolean talk;
58.   {
59.       register struct monst *mon;
60.       int mnum;
61.   
62.       switch ((int)alignment) {
63.   	case A_LAWFUL:
64.   	    mnum = lminion();
65.   	    break;
66.   	case A_NEUTRAL:
67.   	    mnum = PM_AIR_ELEMENTAL + rn2(4);
68.   	    break;
69.   	case A_CHAOTIC:
70.   	case A_NONE:
71.   	    mnum = ndemon(alignment);
72.   	    break;
73.   	default:
74.   	    impossible("unaligned player?");
75.   	    mnum = ndemon(A_NONE);
76.   	    break;
77.       }
78.       if (mons[mnum].pxlth == 0) {
79.   	struct permonst *pm = &mons[mnum];
80.   	pm->pxlth = sizeof(struct emin);
81.   	mon = makemon(pm, u.ux, u.uy);
82.   	pm->pxlth = 0;
83.   	if (mon) {
84.   	    mon->isminion = TRUE;
85.   	    EMIN(mon)->min_align = alignment;
86.   	}
87.       } else if (mnum == PM_ANGEL) {
88.   	mon = makemon(&mons[mnum], u.ux, u.uy);
89.   	if (mon) {
90.   	    mon->isminion = TRUE;
91.   	    EPRI(mon)->shralign = alignment;	/* always A_LAWFUL here */
92.   	}
93.       } else
94.   	mon = makemon(&mons[mnum], u.ux, u.uy);
95.       if (mon) {
96.   	if (talk) {
97.   	    pline_The("voice of %s booms:", align_gname(alignment));
98.   	    verbalize("Thou shalt pay for thy indiscretion!");
99.   	    if (!Blind)
100.  		pline("%s appears before you.", Amonnam(mon));
101.  	}
102.  	mon->mpeaceful = FALSE;
103.  	/* don't call set_malign(); player was naughty */
104.      }
105.  }
106.  
107.  #define Athome	(Inhell && !mtmp->cham)
108.  
109.  int
110.  demon_talk(mtmp)		/* returns 1 if it won't attack. */
111.  register struct monst *mtmp;
112.  {
113.  	long	demand, offer;
114.  
115.  	if (uwep && uwep->oartifact == ART_EXCALIBUR) {
116.  	    pline("%s looks very angry.", Amonnam(mtmp));
117.  	    mtmp->mpeaceful = mtmp->mtame = 0;
118.  	    newsym(mtmp->mx, mtmp->my);
119.  	    return 0;
120.  	}
121.  
122.  	/* Slight advantage given. */
123.  	if (is_dprince(mtmp->data) && mtmp->minvis) {
124.  	    mtmp->minvis = mtmp->perminvis = 0;
125.  	    if (!Blind) pline("%s appears before you.", Amonnam(mtmp));
126.  	    newsym(mtmp->mx,mtmp->my);
127.  	}
128.  	if (u.usym == S_DEMON) {	/* Won't blackmail their own. */
129.  	    pline("%s says, \"Good hunting, %s.\" and vanishes.",
130.  		  Amonnam(mtmp), flags.female ? "Sister" : "Brother");
131.  	    rloc(mtmp);
132.  	    return(1);
133.  	}
134.  	demand = (u.ugold * (rnd(80) + 20 * Athome)) /
135.  		 100 * (1 + (sgn(u.ualign.type) == sgn(mtmp->data->maligntyp)));
136.  	if (!demand)		/* you have no gold */
137.  	    return mtmp->mpeaceful = 0;
138.  	else {
139.  	    pline("%s demands %ld zorkmid%s for safe passage.",
140.  		  Amonnam(mtmp), demand, plur(demand));
141.  
142.  	    if ((offer = bribe(mtmp)) >= demand) {
143.  		pline("%s vanishes, laughing about cowardly mortals.",
144.  		      Amonnam(mtmp));
145.  	    } else {
146.  		if ((long)rnd(40) > (demand - offer)) {
147.  		    pline("%s scowls at you menacingly, then vanishes.",
148.  			  Amonnam(mtmp));
149.  		} else {
150.  		    pline("%s gets angry...", Amonnam(mtmp));
151.  		    return mtmp->mpeaceful = 0;
152.  		}
153.  	    }
154.  	}
155.  	mongone(mtmp);
156.  	return(1);
157.  }
158.  
159.  long
160.  bribe(mtmp)
161.  struct monst *mtmp;
162.  {
163.  	char buf[BUFSZ];
164.  	long offer;
165.  
166.  	getlin("How much will you offer?", buf);
167.  	(void) sscanf(buf, "%ld", &offer);
168.  
169.  	/*Michael Paddon -- fix for negative offer to monster*/
170.  	/*JAR880815 - */
171.  	if (offer < 0L) {
172.  		You("try to shortchange %s, but fumble.",
173.  			mon_nam(mtmp));
174.  		offer = 0L;
175.  	} else if (offer == 0L) {
176.  		You("refuse.");
177.  	} else if (offer >= u.ugold) {
178.  		You("give %s all your gold.", mon_nam(mtmp));
179.  		offer = u.ugold;
180.  	} else You("give %s %ld zorkmid%s.", mon_nam(mtmp), offer,
181.  		   plur(offer));
182.  
183.  	u.ugold -= offer;
184.  	mtmp->mgold += offer;
185.  	flags.botl = 1;
186.  	return(offer);
187.  }
188.  
189.  int
190.  dprince(atyp)
191.  aligntyp atyp;
192.  {
193.  	int tryct, pm;
194.  
195.  	for (tryct = 0; tryct < 20; tryct++) {
196.  	    pm = rn1(PM_DEMOGORGON + 1 - PM_ORCUS, PM_ORCUS);
197.  	    if (!(mvitals[pm].mvflags & G_GONE) &&
198.  		    (atyp == A_NONE || sgn(mons[pm].maligntyp) == sgn(atyp)))
199.  		return(pm);
200.  	}
201.  	return(dlord(atyp));	/* approximate */
202.  }
203.  
204.  int
205.  dlord(atyp)
206.  aligntyp atyp;
207.  {
208.  	int tryct, pm;
209.  
210.  	for (tryct = 0; tryct < 20; tryct++) {
211.  	    pm = rn1(PM_YEENOGHU + 1 - PM_JUIBLEX, PM_JUIBLEX);
212.  	    if (!(mvitals[pm].mvflags & G_GONE) &&
213.  		    (atyp == A_NONE || sgn(mons[pm].maligntyp) == sgn(atyp)))
214.  		return(pm);
215.  	}
216.  	return(ndemon(atyp));	/* approximate */
217.  }
218.  
219.  /* create lawful (good) lord */
220.  int
221.  llord()
222.  {
223.  	if (!(mvitals[PM_ARCHON].mvflags & G_GONE))
224.  		return(PM_ARCHON);
225.  
226.  	return(lminion());	/* approximate */
227.  }
228.  
229.  int
230.  lminion()
231.  {
232.  	int	tryct;
233.  	struct	permonst *ptr;
234.  
235.  	for (tryct = 0; tryct < 20; tryct++) {
236.  	    ptr = mkclass(S_ANGEL,0);
237.  	    if (ptr && !is_lord(ptr))
238.  		return(monsndx(ptr));
239.  	}
240.  
241.  	return(0);
242.  }
243.  
244.  int
245.  ndemon(atyp)
246.  aligntyp atyp;
247.  {
248.  	int	tryct;
249.  	struct	permonst *ptr;
250.  
251.  	for (tryct = 0; tryct < 20; tryct++) {
252.  	    ptr = mkclass(S_DEMON, 0);
253.  	    if (is_ndemon(ptr) &&
254.  		    (atyp == A_NONE || sgn(ptr->maligntyp) == sgn(atyp)))
255.  		return(monsndx(ptr));
256.  	}
257.  
258.  	return(0);
259.  }
260.  
261.  /*minion.c*/