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.

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

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.

#include "hack.h"
#include "emin.h"
#include "epri.h"

msummon

void
msummon(mon)		/* mon summons a monster */
struct monst *mon;
{
	register struct permonst *ptr;
	register int dtype = NON_PM, cnt = 0;
	aligntyp atyp;
	struct monst *mtmp;

	if (mon) {
	    ptr = mon->data;
	    atyp = (ptr->maligntyp==A_NONE) ? A_NONE : sgn(ptr->maligntyp);
	    if (mon->ispriest || mon->data == &mons[PM_ALIGNED_PRIEST]
		|| mon->data == &mons[PM_ANGEL])
		atyp = EPRI(mon)->shralign;
	} else {
	    ptr = &mons[PM_WIZARD_OF_YENDOR];
	    atyp = (ptr->maligntyp==A_NONE) ? A_NONE : sgn(ptr->maligntyp);
	}
	    
	if (is_dprince(ptr) || (ptr == &mons[PM_WIZARD_OF_YENDOR])) {
	    dtype = (!rn2(20)) ? dprince(atyp) :
				 (!rn2(4)) ? dlord(atyp) : ndemon(atyp);
	    cnt = (!rn2(4) && is_ndemon(&mons[dtype])) ? 2 : 1;
	} else if (is_dlord(ptr)) {
	    dtype = (!rn2(50)) ? dprince(atyp) :
				 (!rn2(20)) ? dlord(atyp) : ndemon(atyp);
	    cnt = (!rn2(4) && is_ndemon(&mons[dtype])) ? 2 : 1;
	} else if (is_ndemon(ptr)) {
	    dtype = (!rn2(20)) ? dlord(atyp) :
				 (!rn2(6)) ? ndemon(atyp) : monsndx(ptr);
	    cnt = 1;
	} else if (is_lminion(mon)) {
	    dtype = (is_lord(ptr) && !rn2(20)) ? llord() :
		     (is_lord(ptr) || !rn2(6)) ? lminion() : monsndx(ptr);
	    cnt = (!rn2(4) && !is_lord(&mons[dtype])) ? 2 : 1;
	} else if (ptr == &mons[PM_ANGEL]) {
	    /* non-lawful angels can also summon */
	    if (!rn2(6)) {
		switch (atyp) { /* see summon_minion */
		case A_NEUTRAL:
		    dtype = PM_AIR_ELEMENTAL + rn2(4);
		    break;
		case A_CHAOTIC:
		case A_NONE:
		    dtype = ndemon(atyp);
		    break;
		}
	    } else {
		dtype = PM_ANGEL;
	    }
	    cnt = (!rn2(4) && !is_lord(&mons[dtype])) ? 2 : 1;
	}

	if (dtype == NON_PM) return;

	/* sanity checks */
	if (cnt > 1 && (mons[dtype].geno & G_UNIQ)) cnt = 1;
	/*
	 * If this daemon is unique and being re-summoned (the only way we
	 * could get this far with an extinct dtype), try another.
	 */
	if (mvitals[dtype].mvflags & G_GONE) {
	    dtype = ndemon(atyp);
	    if (dtype == NON_PM) return;
	}

	while (cnt > 0) {
	    mtmp = makemon(&mons[dtype], u.ux, u.uy, NO_MM_FLAGS);
	    if (mtmp && (dtype == PM_ANGEL)) {
		/* alignment should match the summoner */
		EPRI(mtmp)->shralign = atyp;
	    }
	    cnt--;
	}
}

summon_minion

void
summon_minion(alignment, talk)
aligntyp alignment;
boolean talk;
{
register struct monst *mon;
int mnum;

switch ((int)alignment) {
	case A_LAWFUL:
	    mnum = lminion();
	    break;
	case A_NEUTRAL:
	    mnum = PM_AIR_ELEMENTAL + rn2(4);
	    break;
	case A_CHAOTIC:
	case A_NONE:
	    mnum = ndemon(alignment);
	    break;
	default:
	    impossible("unaligned player?");
	    mnum = ndemon(A_NONE);
	    break;
}
if (mnum == NON_PM) {
	mon = 0;
} else if (mons[mnum].pxlth == 0) {
	struct permonst *pm = &mons[mnum];
	mon = makemon(pm, u.ux, u.uy, MM_EMIN);
	if (mon) {
	    mon->isminion = TRUE;
	    EMIN(mon)->min_align = alignment;
	}
} else if (mnum == PM_ANGEL) {
	mon = makemon(&mons[mnum], u.ux, u.uy, NO_MM_FLAGS);
	if (mon) {
	    mon->isminion = TRUE;
	    EPRI(mon)->shralign = alignment;	/* always A_LAWFUL here */
	}
} else
	mon = makemon(&mons[mnum], u.ux, u.uy, NO_MM_FLAGS);
if (mon) {
	if (talk) {
	    pline_The("voice of %s booms:", align_gname(alignment));
	    verbalize("Thou shalt pay for thy indiscretion!");
	    if (!Blind)
		pline("%s appears before you.", Amonnam(mon));
	}
	mon->mpeaceful = FALSE;
	/* don't call set_malign(); player was naughty */
}
}

demon_talk

#define Athome	(Inhell && !mtmp->cham)

int
demon_talk(mtmp)		/* returns 1 if it won't attack. */
register struct monst *mtmp;
{
	long cash, demand, offer;

	if (uwep && uwep->oartifact == ART_EXCALIBUR) {
	    pline("%s looks very angry.", Amonnam(mtmp));
	    mtmp->mpeaceful = mtmp->mtame = 0;
	    set_malign(mtmp);
	    newsym(mtmp->mx, mtmp->my);
	    return 0;
	}

	/* Slight advantage given. */
	if (is_dprince(mtmp->data) && mtmp->minvis) {
	    mtmp->minvis = mtmp->perminvis = 0;
	    if (!Blind) pline("%s appears before you.", Amonnam(mtmp));
	    newsym(mtmp->mx,mtmp->my);
	}
	if (youmonst.data->mlet == S_DEMON) {	/* Won't blackmail their own. */
	    pline("%s says, \"Good hunting, %s.\"",
		  Amonnam(mtmp), flags.female ? "Sister" : "Brother");
	    if (!tele_restrict(mtmp)) (void) rloc(mtmp, FALSE);
	    return(1);
	}
#ifndef GOLDOBJ
	cash = u.ugold;
#else
	cash = money_cnt(invent);
#endif
	demand = (cash * (rnd(80) + 20 * Athome)) /
	    (100 * (1 + (sgn(u.ualign.type) == sgn(mtmp->data->maligntyp))));

	if (!demand) {		/* you have no gold */
	    mtmp->mpeaceful = 0;
	    set_malign(mtmp);
	    return 0;
	} else {
	    /* make sure that the demand is unmeetable if the monster
	       has the Amulet, preventing monster from being satisified
	       and removed from the game (along with said Amulet...) */
	    if (mon_has_amulet(mtmp))
		demand = cash + (long)rn1(1000,40);

	    pline("%s demands %ld %s for safe passage.",
		  Amonnam(mtmp), demand, currency(demand));

	    if ((offer = bribe(mtmp)) >= demand) {
		pline("%s vanishes, laughing about cowardly mortals.",
		      Amonnam(mtmp));
	    } else if (offer > 0L && (long)rnd(40) > (demand - offer)) {
		pline("%s scowls at you menacingly, then vanishes.",
		      Amonnam(mtmp));
	    } else {
		pline("%s gets angry...", Amonnam(mtmp));
		mtmp->mpeaceful = 0;
		set_malign(mtmp);
		return 0;
	    }
	}
	mongone(mtmp);
	return(1);
}

bribe

long
bribe(mtmp)
struct monst *mtmp;
{
	char buf[BUFSZ];
	long offer;
#ifdef GOLDOBJ
	long umoney = money_cnt(invent);
#endif

	getlin("How much will you offer?", buf);
	if (sscanf(buf, "%ld", &offer) != 1) offer = 0L;

	/*Michael Paddon -- fix for negative offer to monster*/
	/*JAR880815 - */
	if (offer < 0L) {
		You("try to shortchange %s, but fumble.",
			mon_nam(mtmp));
		return 0L;
	} else if (offer == 0L) {
		You("refuse.");
		return 0L;
#ifndef GOLDOBJ
	} else if (offer >= u.ugold) {
		You("give %s all your gold.", mon_nam(mtmp));
		offer = u.ugold;
	} else {
		You("give %s %ld %s.", mon_nam(mtmp), offer, currency(offer));
	}
	u.ugold -= offer;
	mtmp->mgold += offer;
#else
	} else if (offer >= umoney) {
		You("give %s all your gold.", mon_nam(mtmp));
		offer = umoney;
	} else {
		You("give %s %ld %s.", mon_nam(mtmp), offer, currency(offer));
	}
	(void) money2mon(mtmp, offer);
#endif
	flags.botl = 1;
	return(offer);
}

dprince

int
dprince(atyp)
aligntyp atyp;
{
	int tryct, pm;

	for (tryct = 0; tryct < 20; tryct++) {
	    pm = rn1(PM_DEMOGORGON + 1 - PM_ORCUS, PM_ORCUS);
	    if (!(mvitals[pm].mvflags & G_GONE) &&
		    (atyp == A_NONE || sgn(mons[pm].maligntyp) == sgn(atyp)))
		return(pm);
	}
	return(dlord(atyp));	/* approximate */
}

dlord

int
dlord(atyp)
aligntyp atyp;
{
	int tryct, pm;

	for (tryct = 0; tryct < 20; tryct++) {
	    pm = rn1(PM_YEENOGHU + 1 - PM_JUIBLEX, PM_JUIBLEX);
	    if (!(mvitals[pm].mvflags & G_GONE) &&
		    (atyp == A_NONE || sgn(mons[pm].maligntyp) == sgn(atyp)))
		return(pm);
	}
	return(ndemon(atyp));	/* approximate */
}

llord

/* create lawful (good) lord */
int
llord()
{
	if (!(mvitals[PM_ARCHON].mvflags & G_GONE))
		return(PM_ARCHON);

	return(lminion());	/* approximate */
}

lminion

int
lminion()
{
	int	tryct;
	struct	permonst *ptr;

	for (tryct = 0; tryct < 20; tryct++) {
	    ptr = mkclass(S_ANGEL,0);
	    if (ptr && !is_lord(ptr))
		return(monsndx(ptr));
	}

	return NON_PM;
}

ndemon

int
ndemon(atyp)
aligntyp atyp;
{
	int	tryct;
	struct	permonst *ptr;

	for (tryct = 0; tryct < 20; tryct++) {
	    ptr = mkclass(S_DEMON, 0);
	    if (ptr && is_ndemon(ptr) &&
		    (atyp == A_NONE || sgn(ptr->maligntyp) == sgn(atyp)))
		return(monsndx(ptr));
	}

	return NON_PM;
}

/*minion.c*/