Source:NetHack 3.0.0/demon.c

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1.    /*	SCCS Id: @(#)demon.c	3.0	88/11/14
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.    dsummon(ptr)		/* summon demon */
9.    	register struct permonst *ptr;
10.   {
11.   	register int dtype, cnt = 0;
12.   
13.   	if(is_dprince(ptr) || (ptr == &mons[PM_WIZARD_OF_YENDOR])) {
14.   
15.   	    dtype = (!rn2(20)) ? dprince() : (!rn2(4)) ? dlord() : ndemon();
16.   	    cnt = (!rn2(4) && !is_dprince(&mons[dtype])) ? 2 : 1;
17.   
18.   	} else if(is_dlord(ptr)) {
19.   
20.   	    dtype = (!rn2(50)) ? dprince() : (!rn2(20)) ? dlord() : ndemon();
21.   	    cnt = (!rn2(4) && is_ndemon(&mons[dtype])) ? 2 : 1;
22.   
23.   	} else if(is_ndemon(ptr)) {
24.   
25.   	    dtype = (!rn2(20)) ? dlord() : ndemon();
26.   	    cnt = 1;
27.   	}
28.   
29.   	if(!dtype) return;
30.   
31.   	while(cnt > 0) {
32.   
33.   	    (void)makemon(&mons[dtype], u.ux, u.uy);
34.   	    cnt--;
35.   	}
36.   	return;
37.   }
38.   
39.   #ifdef HARD
40.   #define	Athome	(Inhell && !mtmp->cham)
41.   
42.   int
43.   demon_talk(mtmp)		/* returns 1 if he won't attack. */
44.   register struct monst *mtmp;
45.   {
46.   	char	*x_monnam(), *Xmonnam();
47.   	long	demand, offer;
48.   
49.   #ifdef NAMED_ITEMS
50.   	if(uwep && is_artifact(uwep) && !strcmp(ONAME(uwep), "Excalibur")) {
51.   
52.   	    pline("%s looks very angry.", Xmonnam(mtmp));
53.   	    return mtmp->mpeaceful = mtmp->mtame = 0;
54.   	}
55.   #endif /* NAMED_ITEMS */
56.   
57.   	if(is_ndemon(mtmp->data)) {  /* not for regular '&'s */
58.   
59.   	    pline("%s mutters something about awful working conditions.",
60.   		  Xmonnam(mtmp));
61.   	    return(0);
62.   	}
63.   
64.   	/* Slight advantage given. */
65.   	if(is_dprince(mtmp->data) && mtmp->minvis) {
66.   	    mtmp->minvis = 0;
67.   	    if (!Blind) pline("%s appears before you.", Xmonnam(mtmp));
68.   	    pmon(mtmp);
69.   	}
70.   	if(u.usym == S_DEMON) {	/* Won't blackmail their own. */
71.   
72.   	    pline("%s says, \"Good hunting %s.\" and vanishes.",
73.   		  Xmonnam(mtmp), flags.female ? "Sister" : "Brother");
74.   	    rloc(mtmp);
75.   	    return(1);
76.   	}
77.   	demand = (u.ugold * (rnd(80) + 20 * Athome)) / 100;
78.   	if(!demand)  		/* you have no gold */
79.   	    return mtmp->mpeaceful = 0;
80.   	else {
81.   
82.   	    pline("%s demands %ld Zorkmids for safe passage.",
83.   		  Xmonnam(mtmp), demand);
84.   
85.   	    if((offer = bribe(mtmp)) >= demand) {
86.   		pline("%s vanishes laughing about cowardly mortals.",
87.   		      Xmonnam(mtmp));
88.   	    } else {
89.   		if((long)rnd(40) > (demand - offer)) {
90.   		    pline("%s scowls at you menacingly, then vanishes.",
91.   			  Xmonnam(mtmp));
92.   		} else {
93.   		    pline("%s gets angry...", Xmonnam(mtmp));
94.   		    return mtmp->mpeaceful = 0;
95.   		}
96.   	    }
97.   	}
98.   	mongone(mtmp);
99.   	return(1);
100.  }
101.  #endif
102.  
103.  #if defined(HARD) || (defined(ALTARS) && defined(SOUNDS))
104.  long
105.  bribe(mtmp)
106.  
107.  	struct monst *mtmp;
108.  {
109.  	char buf[80];
110.  	long offer;
111.  
112.  	pline("How much will you offer? ");
113.  	getlin(buf);
114.  	(void) sscanf(buf, "%ld", &offer);
115.  
116.  /*Michael Paddon -- fix for negative offer to monster*/	/*JAR880815 - */
117.   	if(offer < 0L) {
118.   		You("try to shortchange %s, but fumble.", 
119.   			x_monnam(mtmp, 0));
120.   		offer = 0L;
121.   	} else if(offer >= u.ugold) {
122.  		You("give %s all your gold.", x_monnam(mtmp, 0));
123.  		offer = u.ugold;
124.  	} else You("give %s %ld Zorkmids.", x_monnam(mtmp, 0), offer);
125.  
126.  	u.ugold -= offer;
127.  	return(offer);
128.  }
129.  #endif
130.  
131.  int
132.  dprince() {
133.  #ifdef HARD
134.  	int	tryct;
135.  	struct	permonst *ptr;
136.  
137.  	for(tryct = 0; tryct < 20; tryct++)
138.  	    if(is_dprince((ptr = mkclass(S_DEMON))))
139.  		return(monsndx(ptr));
140.  
141.  #endif
142.  	return(dlord());
143.  }
144.  
145.  int
146.  dlord() {
147.  #ifdef HARD
148.  	int	tryct;
149.  	struct	permonst *ptr;
150.  
151.  	for(tryct = 0; tryct < 20; tryct++)
152.  	    if(is_dlord((ptr = mkclass(S_DEMON))))
153.  		return(monsndx(ptr));
154.  
155.  #endif
156.  	return(ndemon());
157.  }
158.  
159.  int
160.  ndemon() {
161.  #ifndef HARD
162.  	return(PM_DEMON);
163.  #else
164.  	int	tryct;
165.  	struct	permonst *ptr;
166.  
167.  	for(tryct = 0; tryct < 20; tryct++)
168.  	    if(is_ndemon((ptr = mkclass(S_DEMON))))
169.  		return(monsndx(ptr));
170.  
171.  	return(0);
172.  #endif
173.  }