Source:NetHack 3.4.3/src/minion.c

Below is the full text to src/minion.c from NetHack 3.4.3. To link to a particular line, write [[minion.c#line123]], for example.

1.    /*	SCCS Id: @(#)minion.c	3.4	2003/01/09	*/
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    /* NetHack may be freely redistributed.  See license for details. */
4.    

The NetHack General Public License applies to screenshots, source code and other content from NetHack.

This content was modified from the original NetHack source code distribution (by splitting up NetHack content between wiki pages, and possibly further editing). See the page history for a list of who changed it, and on what dates.

5.    #include "hack.h"
6.    #include "emin.h"
7.    #include "epri.h"
8.    
9.    void
10.   msummon(mon)		/* mon summons a monster */
11.   struct monst *mon;
12.   {
13.   	register struct permonst *ptr;
14.   	register int dtype = NON_PM, cnt = 0;
15.   	aligntyp atyp;
16.   	struct monst *mtmp;
17.   
18.   	if (mon) {
19.   	    ptr = mon->data;
20.   	    atyp = (ptr->maligntyp==A_NONE) ? A_NONE : sgn(ptr->maligntyp);
21.   	    if (mon->ispriest || mon->data == &mons[PM_ALIGNED_PRIEST]
22.   		|| mon->data == &mons[PM_ANGEL])
23.   		atyp = EPRI(mon)->shralign;
24.   	} else {
25.   	    ptr = &mons[PM_WIZARD_OF_YENDOR];
26.   	    atyp = (ptr->maligntyp==A_NONE) ? A_NONE : sgn(ptr->maligntyp);
27.   	}
28.   	    
29.   	if (is_dprince(ptr) || (ptr == &mons[PM_WIZARD_OF_YENDOR])) {
30.   	    dtype = (!rn2(20)) ? dprince(atyp) :
31.   				 (!rn2(4)) ? dlord(atyp) : ndemon(atyp);
32.   	    cnt = (!rn2(4) && is_ndemon(&mons[dtype])) ? 2 : 1;
33.   	} else if (is_dlord(ptr)) {
34.   	    dtype = (!rn2(50)) ? dprince(atyp) :
35.   				 (!rn2(20)) ? dlord(atyp) : ndemon(atyp);
36.   	    cnt = (!rn2(4) && is_ndemon(&mons[dtype])) ? 2 : 1;
37.   	} else if (is_ndemon(ptr)) {
38.   	    dtype = (!rn2(20)) ? dlord(atyp) :
39.   				 (!rn2(6)) ? ndemon(atyp) : monsndx(ptr);
40.   	    cnt = 1;
41.   	} else if (is_lminion(mon)) {
42.   	    dtype = (is_lord(ptr) && !rn2(20)) ? llord() :
43.   		     (is_lord(ptr) || !rn2(6)) ? lminion() : monsndx(ptr);
44.   	    cnt = (!rn2(4) && !is_lord(&mons[dtype])) ? 2 : 1;
45.   	} else if (ptr == &mons[PM_ANGEL]) {
46.   	    /* non-lawful angels can also summon */
47.   	    if (!rn2(6)) {
48.   		switch (atyp) { /* see summon_minion */
49.   		case A_NEUTRAL:
50.   		    dtype = PM_AIR_ELEMENTAL + rn2(4);
51.   		    break;
52.   		case A_CHAOTIC:
53.   		case A_NONE:
54.   		    dtype = ndemon(atyp);
55.   		    break;
56.   		}
57.   	    } else {
58.   		dtype = PM_ANGEL;
59.   	    }
60.   	    cnt = (!rn2(4) && !is_lord(&mons[dtype])) ? 2 : 1;
61.   	}
62.   
63.   	if (dtype == NON_PM) return;
64.   
65.   	/* sanity checks */
66.   	if (cnt > 1 && (mons[dtype].geno & G_UNIQ)) cnt = 1;
67.   	/*
68.   	 * If this daemon is unique and being re-summoned (the only way we
69.   	 * could get this far with an extinct dtype), try another.
70.   	 */
71.   	if (mvitals[dtype].mvflags & G_GONE) {
72.   	    dtype = ndemon(atyp);
73.   	    if (dtype == NON_PM) return;
74.   	}
75.   
76.   	while (cnt > 0) {
77.   	    mtmp = makemon(&mons[dtype], u.ux, u.uy, NO_MM_FLAGS);
78.   	    if (mtmp && (dtype == PM_ANGEL)) {
79.   		/* alignment should match the summoner */
80.   		EPRI(mtmp)->shralign = atyp;
81.   	    }
82.   	    cnt--;
83.   	}
84.   }
85.   
86.   void
87.   summon_minion(alignment, talk)
88.   aligntyp alignment;
89.   boolean talk;
90.   {
91.       register struct monst *mon;
92.       int mnum;
93.   
94.       switch ((int)alignment) {
95.   	case A_LAWFUL:
96.   	    mnum = lminion();
97.   	    break;
98.   	case A_NEUTRAL:
99.   	    mnum = PM_AIR_ELEMENTAL + rn2(4);
100.  	    break;
101.  	case A_CHAOTIC:
102.  	case A_NONE:
103.  	    mnum = ndemon(alignment);
104.  	    break;
105.  	default:
106.  	    impossible("unaligned player?");
107.  	    mnum = ndemon(A_NONE);
108.  	    break;
109.      }
110.      if (mnum == NON_PM) {
111.  	mon = 0;
112.      } else if (mons[mnum].pxlth == 0) {
113.  	struct permonst *pm = &mons[mnum];
114.  	mon = makemon(pm, u.ux, u.uy, MM_EMIN);
115.  	if (mon) {
116.  	    mon->isminion = TRUE;
117.  	    EMIN(mon)->min_align = alignment;
118.  	}
119.      } else if (mnum == PM_ANGEL) {
120.  	mon = makemon(&mons[mnum], u.ux, u.uy, NO_MM_FLAGS);
121.  	if (mon) {
122.  	    mon->isminion = TRUE;
123.  	    EPRI(mon)->shralign = alignment;	/* always A_LAWFUL here */
124.  	}
125.      } else
126.  	mon = makemon(&mons[mnum], u.ux, u.uy, NO_MM_FLAGS);
127.      if (mon) {
128.  	if (talk) {
129.  	    pline_The("voice of %s booms:", align_gname(alignment));
130.  	    verbalize("Thou shalt pay for thy indiscretion!");
131.  	    if (!Blind)
132.  		pline("%s appears before you.", Amonnam(mon));
133.  	}
134.  	mon->mpeaceful = FALSE;
135.  	/* don't call set_malign(); player was naughty */
136.      }
137.  }
138.  
139.  #define Athome	(Inhell && !mtmp->cham)
140.  
141.  int
142.  demon_talk(mtmp)		/* returns 1 if it won't attack. */
143.  register struct monst *mtmp;
144.  {
145.  	long cash, demand, offer;
146.  
147.  	if (uwep && uwep->oartifact == ART_EXCALIBUR) {
148.  	    pline("%s looks very angry.", Amonnam(mtmp));
149.  	    mtmp->mpeaceful = mtmp->mtame = 0;
150.  	    set_malign(mtmp);
151.  	    newsym(mtmp->mx, mtmp->my);
152.  	    return 0;
153.  	}
154.  
155.  	/* Slight advantage given. */
156.  	if (is_dprince(mtmp->data) && mtmp->minvis) {
157.  	    mtmp->minvis = mtmp->perminvis = 0;
158.  	    if (!Blind) pline("%s appears before you.", Amonnam(mtmp));
159.  	    newsym(mtmp->mx,mtmp->my);
160.  	}
161.  	if (youmonst.data->mlet == S_DEMON) {	/* Won't blackmail their own. */
162.  	    pline("%s says, \"Good hunting, %s.\"",
163.  		  Amonnam(mtmp), flags.female ? "Sister" : "Brother");
164.  	    if (!tele_restrict(mtmp)) (void) rloc(mtmp, FALSE);
165.  	    return(1);
166.  	}
167.  #ifndef GOLDOBJ
168.  	cash = u.ugold;
169.  #else
170.  	cash = money_cnt(invent);
171.  #endif
172.  	demand = (cash * (rnd(80) + 20 * Athome)) /
173.  	    (100 * (1 + (sgn(u.ualign.type) == sgn(mtmp->data->maligntyp))));
174.  
175.  	if (!demand) {		/* you have no gold */
176.  	    mtmp->mpeaceful = 0;
177.  	    set_malign(mtmp);
178.  	    return 0;
179.  	} else {
180.  	    /* make sure that the demand is unmeetable if the monster
181.  	       has the Amulet, preventing monster from being satisified
182.  	       and removed from the game (along with said Amulet...) */
183.  	    if (mon_has_amulet(mtmp))
184.  		demand = cash + (long)rn1(1000,40);
185.  
186.  	    pline("%s demands %ld %s for safe passage.",
187.  		  Amonnam(mtmp), demand, currency(demand));
188.  
189.  	    if ((offer = bribe(mtmp)) >= demand) {
190.  		pline("%s vanishes, laughing about cowardly mortals.",
191.  		      Amonnam(mtmp));
192.  	    } else if (offer > 0L && (long)rnd(40) > (demand - offer)) {
193.  		pline("%s scowls at you menacingly, then vanishes.",
194.  		      Amonnam(mtmp));
195.  	    } else {
196.  		pline("%s gets angry...", Amonnam(mtmp));
197.  		mtmp->mpeaceful = 0;
198.  		set_malign(mtmp);
199.  		return 0;
200.  	    }
201.  	}
202.  	mongone(mtmp);
203.  	return(1);
204.  }
205.  
206.  long
207.  bribe(mtmp)
208.  struct monst *mtmp;
209.  {
210.  	char buf[BUFSZ];
211.  	long offer;
212.  #ifdef GOLDOBJ
213.  	long umoney = money_cnt(invent);
214.  #endif
215.  
216.  	getlin("How much will you offer?", buf);
217.  	if (sscanf(buf, "%ld", &offer) != 1) offer = 0L;
218.  
219.  	/*Michael Paddon -- fix for negative offer to monster*/
220.  	/*JAR880815 - */
221.  	if (offer < 0L) {
222.  		You("try to shortchange %s, but fumble.",
223.  			mon_nam(mtmp));
224.  		return 0L;
225.  	} else if (offer == 0L) {
226.  		You("refuse.");
227.  		return 0L;
228.  #ifndef GOLDOBJ
229.  	} else if (offer >= u.ugold) {
230.  		You("give %s all your gold.", mon_nam(mtmp));
231.  		offer = u.ugold;
232.  	} else {
233.  		You("give %s %ld %s.", mon_nam(mtmp), offer, currency(offer));
234.  	}
235.  	u.ugold -= offer;
236.  	mtmp->mgold += offer;
237.  #else
238.  	} else if (offer >= umoney) {
239.  		You("give %s all your gold.", mon_nam(mtmp));
240.  		offer = umoney;
241.  	} else {
242.  		You("give %s %ld %s.", mon_nam(mtmp), offer, currency(offer));
243.  	}
244.  	(void) money2mon(mtmp, offer);
245.  #endif
246.  	flags.botl = 1;
247.  	return(offer);
248.  }
249.  
250.  int
251.  dprince(atyp)
252.  aligntyp atyp;
253.  {
254.  	int tryct, pm;
255.  
256.  	for (tryct = 0; tryct < 20; tryct++) {
257.  	    pm = rn1(PM_DEMOGORGON + 1 - PM_ORCUS, PM_ORCUS);
258.  	    if (!(mvitals[pm].mvflags & G_GONE) &&
259.  		    (atyp == A_NONE || sgn(mons[pm].maligntyp) == sgn(atyp)))
260.  		return(pm);
261.  	}
262.  	return(dlord(atyp));	/* approximate */
263.  }
264.  
265.  int
266.  dlord(atyp)
267.  aligntyp atyp;
268.  {
269.  	int tryct, pm;
270.  
271.  	for (tryct = 0; tryct < 20; tryct++) {
272.  	    pm = rn1(PM_YEENOGHU + 1 - PM_JUIBLEX, PM_JUIBLEX);
273.  	    if (!(mvitals[pm].mvflags & G_GONE) &&
274.  		    (atyp == A_NONE || sgn(mons[pm].maligntyp) == sgn(atyp)))
275.  		return(pm);
276.  	}
277.  	return(ndemon(atyp));	/* approximate */
278.  }
279.  
280.  /* create lawful (good) lord */
281.  int
282.  llord()
283.  {
284.  	if (!(mvitals[PM_ARCHON].mvflags & G_GONE))
285.  		return(PM_ARCHON);
286.  
287.  	return(lminion());	/* approximate */
288.  }
289.  
290.  int
291.  lminion()
292.  {
293.  	int	tryct;
294.  	struct	permonst *ptr;
295.  
296.  	for (tryct = 0; tryct < 20; tryct++) {
297.  	    ptr = mkclass(S_ANGEL,0);
298.  	    if (ptr && !is_lord(ptr))
299.  		return(monsndx(ptr));
300.  	}
301.  
302.  	return NON_PM;
303.  }
304.  
305.  int
306.  ndemon(atyp)
307.  aligntyp atyp;
308.  {
309.  	int	tryct;
310.  	struct	permonst *ptr;
311.  
312.  	for (tryct = 0; tryct < 20; tryct++) {
313.  	    ptr = mkclass(S_DEMON, 0);
314.  	    if (ptr && is_ndemon(ptr) &&
315.  		    (atyp == A_NONE || sgn(ptr->maligntyp) == sgn(atyp)))
316.  		return(monsndx(ptr));
317.  	}
318.  
319.  	return NON_PM;
320.  }
321.  
322.  /*minion.c*/