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Source:NetHack 2.3e/makemon.c

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Below is the full text to makemon.c from the source code of NetHack 2.3e. To link to a particular line, write [[NetHack 2.3e/makemon.c#line123]], for example.

Warning! This is the source code from an old release. For the latest release, see Source code

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1.    /*	SCCS Id: @(#)makemon.c	2.3	87/12/12
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    
4.    #include	"hack.h"
5.    extern char fut_geno[];
6.    extern char *index();
7.    extern struct obj *mkobj_at(), *mksobj(), *mkobj();
8.    struct monst zeromonst;
9.    extern boolean in_mklev;
10.   
11.   #ifdef HARD		/* used in hell for bigger, badder demons! */
12.   
13.   struct permonst d_lord   = { "demon lord",	'&',12,13,-5,50,1,5,0 },
14.   		d_prince = { "demon prince",	'&',14,14,-6,70,1,6,0 };
15.   #endif
16.   #ifdef KJSMODS
17.   # ifdef KOPS
18.   struct permonst kobold = { "kobold",'K',1,6,7,0,1,4,0 };
19.   # endif
20.   # ifdef ROCKMOLE
21.   struct permonst giant_rat = { "giant rat",'r',0,12,7,0,1,3,0 };
22.   # endif
23.   #endif /* KJSMODS /**/
24.   
25.   struct permonst grey_dragon   = { "grey dragon",  'D',10,9,-1,20,3,8,0 };
26.   struct permonst red_dragon    = { "red dragon",   'D',10,9,-1,20,3,8,0 };
27.   struct permonst orange_dragon = { "orange dragon",'D',10,9,-1,20,3,8,0 };
28.   struct permonst white_dragon  = { "white dragon", 'D',10,9,-1,20,3,8,0 };
29.   struct permonst black_dragon  = { "black dragon", 'D',10,9,-1,20,3,8,0 };
30.   struct permonst blue_dragon   = { "blue dragon",  'D',10,9,-1,20,3,8,0 };
31.   struct permonst green_dragon  = { "green dragon", 'D',10,9,-1,20,3,8,0 };
32.   struct permonst yellow_dragon = { "yellow dragon",'D',10,9,-1,20,3,8,0 };
33.   extern struct permonst pm_gremlin;
34.   
35.   /*
36.    * called with [x,y] = coordinates;
37.    *	[0,0] means anyplace
38.    *	[u.ux,u.uy] means: call mnexto (if !in_mklev)
39.    *
40.    *	In case we make an Orc or killer bee, we make an entire horde
41.    *	(swarm); note that in this case we return only one of them
42.    *	(the one at [x,y]).
43.    */
44.   struct monst *
45.   makemon(ptr,x,y)
46.   register struct permonst *ptr;
47.   {
48.   	register struct monst *mtmp;
49.   	register nleft, deep, ct;
50.   	boolean anything = (!ptr);
51.   	int zlevel = dlevel;
52.   #ifdef BVH
53.   	if(has_amulet()) zlevel = MAXLEVEL;
54.   #endif
55.   	/* if a monster already exists at the position, return */
56.   	if(x != 0 || y != 0) if(m_at(x,y)) return((struct monst *) 0);
57.   	if(ptr){
58.   		/* if you are to make a specific monster and it has 
59.   		   already been genocided, return */
60.   		if(index(fut_geno, ptr->mlet)) return((struct monst *) 0);
61.   	} else {
62.   		/* make a random (common) monster. */
63.   		nleft = CMNUM - strlen(fut_geno);
64.   		if(index(fut_geno, 'm')) nleft++;  /* only 1 minotaur */
65.   		if(index(fut_geno, '@')) nleft++;
66.   		if(nleft <= 0)
67.   		    return((struct monst *) 0);	/* no more monsters! */
68.   
69.   		/* determine the strongest monster to make. */
70.   #ifdef ROCKMOLE
71.   		deep = rn2(nleft*zlevel/24 + 6);
72.   #else
73.   		deep = rn2(nleft*zlevel/24 + 7);
74.   #endif
75.   		if(deep < zlevel - 4) deep = rn2(nleft*zlevel/24 + 12);
76.   		/* if deep is greater than the number of monsters left 
77.   		   to create, set deep to a random number between half 
78.   		   the number left and the number left. */
79.   		if(deep >= nleft) deep = rn1(nleft - nleft/2, nleft/2);
80.   
81.   		for(ct = 0 ; ct < CMNUM ; ct++){
82.   			ptr = &mons[ct];
83.   			if(index(fut_geno, ptr->mlet)) continue;
84.   #ifdef KOPS
85.   			if(ptr->mlet == 'K') {
86.   # ifdef KJSMODS
87.   				/* since this is a random monster, make 
88.   				   a Kobold instead of a Kop. */
89.   				ptr = &kobold;
90.   # else
91.   				deep--;
92.   # endif
93.   				continue;
94.   			}
95.   #endif /* KOPS /**/
96.   			if(deep-- <= 0) goto gotmon;
97.   		}
98.   		/* this can happen if you are deep in the dungeon and 
99.   		   mostly weak monsters have been genocided. */
100.  		return((struct monst *) 0);
101.  	}
102.  gotmon:
103.  #if defined(KJSMODS) && defined(ROCKMOLE)
104.  	/* make a giant rat */
105.  	if((zlevel < 4 && ptr->mlet == 'r')
106.  	   || (zlevel == 1 && (ptr->mlet == 'h' || ptr->mlet == 'i'))
107.  	   || (zlevel == 2 && (ptr->mlet == 'o' || ptr->mlet == 'y'))
108.  	) ptr = &giant_rat;
109.  #endif
110.  	mtmp = newmonst(ptr->pxlth);
111.  	*mtmp = zeromonst;	/* clear all entries in structure */
112.  	for(ct = 0; ct < ptr->pxlth; ct++)
113.  		((char *) &(mtmp->mextra[0]))[ct] = 0;
114.  	mtmp->nmon = fmon;
115.  	fmon = mtmp;
116.  	mtmp->m_id = flags.ident++;
117.  	mtmp->data = ptr;
118.  	mtmp->mxlth = ptr->pxlth;
119.  	if(ptr->mlet == 'D') mtmp->mhpmax = mtmp->mhp = 80;
120.  	else if(!ptr->mlevel) mtmp->mhpmax = mtmp->mhp = rnd(4);
121.  	else mtmp->mhpmax = mtmp->mhp = d(ptr->mlevel, 8);
122.  	mtmp->mx = x;
123.  	mtmp->my = y;
124.  	mtmp->mcansee = 1;
125.  	if(ptr->mlet == 'D') {
126.  		mtmp->dragon = rn2(8);
127.  		switch(mtmp->dragon) {
128.  			case 0:	mtmp->data = &grey_dragon;	break;
129.  			case 1:	mtmp->data = &red_dragon;	break;
130.  			case 2:	mtmp->data = &orange_dragon;	break;
131.  			case 3:	mtmp->data = &white_dragon;	break;
132.  			case 4:	mtmp->data = &black_dragon;	break;
133.  			case 5:	mtmp->data = &blue_dragon;	break;
134.  			case 6:	mtmp->data = &green_dragon;	break;
135.  			case 7:	mtmp->data = &yellow_dragon;	break;
136.  		}
137.  	}
138.  	/* if gnome, make a gremlin or if gremlin make sure it stays gremlin */
139.  	if((ptr->mlet == 'G' && zlevel >= 10 && rn2(4)) || 
140.  		!strcmp(ptr->mname, "gremlin")) {
141.  		ptr = PM_GREMLIN;
142.  		mtmp->data = PM_GREMLIN;
143.  		mtmp->isgremlin = 1;
144.  	}
145.  	if(ptr->mlet == 'M'){
146.  		mtmp->mimic = 1;
147.  		mtmp->mappearance = ']';
148.  	}
149.  	if(!in_mklev) {
150.  		if(x == u.ux && y == u.uy && ptr->mlet != ' ')
151.  			mnexto(mtmp);
152.  		if(x == 0 && y == 0)
153.  			rloc(mtmp);
154.  	}
155.  	if(ptr->mlet == 's' || ptr->mlet == 'S') {
156.  		mtmp->mhide = mtmp->mundetected = 1;
157.  		if(in_mklev)
158.  		if(mtmp->mx && mtmp->my)
159.  			(void) mkobj_at(0, mtmp->mx, mtmp->my);
160.  	}
161.  	if(ptr->mlet == ':') {
162.  #ifdef DGKMOD
163.  		/* If you're protected with a ring, don't create
164.  		 * any shape-changing chameleons -dgk
165.  		 */
166.  		if (Protection_from_shape_changers)
167.  			mtmp->cham = 0;
168.  		else {
169.  			mtmp->cham = 1;
170.  			(void) newcham(mtmp,
171.  # ifndef RPH
172.  				&mons[zlevel+14+rn2(CMNUM-14-zlevel)]);
173.  # else
174.  				(struct permonst *)0);
175.  # endif
176.  		}
177.  #else
178.  		mtmp->cham = 1;
179.  		(void) newcham (mtmp,
180.  # ifndef RPH
181.  				&mons[zlevel+14+rn2(CMNUM-14-zlevel)]);
182.  # else
183.  				0);
184.  # endif
185.  #endif
186.  	}
187.  	if(ptr->mlet == 'I' || ptr->mlet == ';')
188.  		mtmp->minvis = 1;
189.  	if(ptr->mlet == 'L' || ptr->mlet == 'N'
190.  	    || (in_mklev && index("&w;", ptr->mlet) && rn2(5))
191.  	) mtmp->msleep = 1;
192.  #ifdef HARD
193.  	if(ptr->mlet == '&' && (Inhell || u.udemigod)) {
194.  
195.  		if(!rn2(3 + !Inhell + !u.udemigod)) {
196.  		    if (rn2(3 + Inhell)) mtmp->data = &d_lord;
197.  		    else  {
198.  			mtmp->data = &d_prince;
199.  			mtmp->mpeaceful = 1;
200.  			mtmp->minvis = 1;
201.  		    }
202.  		}
203.  #ifdef RPH
204.  		if(uwep)
205.  		    if(!strcmp(ONAME(uwep), "Excalibur"))
206.  			mtmp->mpeaceful = mtmp->mtame = 0;
207.  #endif
208.  	}
209.  #endif /* HARD /**/
210.  #ifndef NOWORM
211.  	if(ptr->mlet == 'w' && getwn(mtmp))  initworm(mtmp);
212.  #endif
213.  
214.  	if(anything)
215.  	    if(ptr->mlet == 'O' || ptr->mlet == 'k'
216.  #ifdef SAC
217.  	       || ptr->mlet == '3'
218.  #endif /* SAC /**/
219.  	       || (ptr->mlet == 'G' && mtmp->isgremlin)
220.  				  ) {
221.  
222.  		coord mm;
223.  		register int cnt = rnd(10);
224.  		mm.x = x;
225.  		mm.y = y;
226.  		while(cnt--) {
227.  			enexto(&mm, mm.x, mm.y);
228.  			(void) makemon(ptr, mm.x, mm.y);
229.  		}
230.  	}
231.  #ifdef DGKMOD
232.  	m_initinv(mtmp);
233.  #endif
234.  	return(mtmp);
235.  }
236.  
237.  #ifdef DGKMOD
238.  /* Give some monsters an initial inventory to use */
239.  m_initinv(mtmp)
240.  struct monst *mtmp;
241.  {
242.  	struct obj *otmp;
243.  
244.  	switch (mtmp->data->mlet) {
245.  # ifdef KAA
246.  	case '9':
247.  		if (rn2(2)) {
248.  			otmp = mksobj(ENORMOUS_ROCK);
249.  			mpickobj(mtmp, otmp);
250.  		}
251.  # endif
252.  # ifdef SAC
253.  	case '3':			/* Outfit the troops */
254.  		if (!rn2(5)) {
255.  			otmp = mksobj(HELMET);
256.  			mpickobj(mtmp, otmp); }
257.  		if (!rn2(5)) {
258.  			otmp = mksobj(CHAIN_MAIL);
259.  			mpickobj(mtmp, otmp); }
260.  		if (!rn2(4)) {
261.  			otmp = mksobj(DAGGER);
262.  			mpickobj(mtmp, otmp); }
263.  		if (!rn2(7)) {
264.  			otmp = mksobj(SPEAR);
265.  			mpickobj(mtmp, otmp); }
266.  		if (!rn2(3)) {
267.  			otmp = mksobj(K_RATION);
268.  			mpickobj(mtmp, otmp); }
269.  		if (!rn2(2)) {
270.  			otmp = mksobj(C_RATION);
271.  			mpickobj(mtmp, otmp); }
272.  # endif /* SAC /**/
273.  # ifdef KOPS
274.  	case 'K':		/* create Keystone Kops with cream pies to
275.  				 * throw. As suggested by KAA.	   [MRS]
276.  				 */
277.  		if (!rn2(4)
278.  #  ifdef KJSMODS
279.    		    && !strcmp(mtmp->data->mname, "Keystone Kop")
280.  #  endif
281.  								) {
282.  			otmp = mksobj(CREAM_PIE);
283.  			otmp->quan = 2 + rnd(2);
284.  			otmp->owt = weight(otmp);
285.  			mpickobj(mtmp, otmp);
286.  		}
287.  		break;
288.  	case 'O':
289.  # else
290.  	case 'K':
291.  # endif
292.  		if (!rn2(4)) {
293.  			otmp = mksobj(DART);
294.  			otmp->quan = 2 + rnd(12);
295.  			otmp->owt = weight(otmp);
296.  			mpickobj(mtmp, otmp);
297.  		}
298.  		break;
299.  
300.  	case 'C':
301.  		if (rn2(2)) {
302.  			otmp = mksobj(CROSSBOW);
303.  			otmp->cursed = rn2(2);
304.  			mpickobj(mtmp, otmp);
305.  			otmp = mksobj(CROSSBOW_BOLT);
306.  			otmp->quan = 2 + rnd(12);
307.  			otmp->owt = weight(otmp);
308.  			mpickobj(mtmp, otmp);
309.  		}
310.  		break;
311.  	default:
312.  		break;
313.  	}
314.  }
315.  #endif
316.  
317.  enexto(cc, xx,yy)
318.  coord	*cc;
319.  register xchar xx,yy;
320.  {
321.  	register xchar x,y;
322.  	coord foo[15], *tfoo;
323.  	int range, i;
324.  
325.  	tfoo = foo;
326.  	range = 1;
327.  	do {	/* full kludge action. */
328.  		for(x = xx-range; x <= xx+range; x++)
329.  			if(goodpos(x, yy-range)) {
330.  				tfoo->x = x;
331.  				(tfoo++)->y = yy-range;
332.  				if(tfoo == &foo[15]) goto foofull;
333.  			}
334.  		for(x = xx-range; x <= xx+range; x++)
335.  			if(goodpos(x,yy+range)) {
336.  				tfoo->x = x;
337.  				(tfoo++)->y = yy+range;
338.  				if(tfoo == &foo[15]) goto foofull;
339.  			}
340.  		for(y = yy+1-range; y < yy+range; y++)
341.  			if(goodpos(xx-range,y)) {
342.  				tfoo->x = xx-range;
343.  				(tfoo++)->y = y;
344.  				if(tfoo == &foo[15]) goto foofull;
345.  			}
346.  		for(y = yy+1-range; y < yy+range; y++)
347.  			if(goodpos(xx+range,y)) {
348.  				tfoo->x = xx+range;
349.  				(tfoo++)->y = y;
350.  				if(tfoo == &foo[15]) goto foofull;
351.  			}
352.  		range++;
353.  	} while(tfoo == foo);
354.  foofull:
355.  	i = rn2(tfoo - foo);
356.  	cc->x = foo[i].x;
357.  	cc->y = foo[i].y;
358.  	return(0);
359.  }
360.  
361.  goodpos(x,y)	/* used only in mnexto and rloc */
362.  {
363.  	return(
364.  	! (x < 1 || x > COLNO-2 || y < 1 || y > ROWNO-2 ||
365.  	   m_at(x,y) || !ACCESSIBLE(levl[x][y].typ)
366.  	   || (x == u.ux && y == u.uy)
367.  	   || sobj_at(ENORMOUS_ROCK, x, y)
368.  	));
369.  }
370.  
371.  rloc(mtmp)
372.  struct monst *mtmp;
373.  {
374.  	register tx,ty;
375.  	register char ch = mtmp->data->mlet;
376.  
377.  #ifndef NOWORM
378.  	if(ch == 'w' && mtmp->mx) return;	/* do not relocate worms */
379.  #endif
380.  	do {
381.  		tx = rn1(COLNO-3,2);
382.  		ty = rn2(ROWNO);
383.  	} while(!goodpos(tx,ty));
384.  	mtmp->mx = tx;
385.  	mtmp->my = ty;
386.  	if(u.ustuck == mtmp){
387.  		if(u.uswallow) {
388.  			u.ux = tx;
389.  			u.uy = ty;
390.  			docrt();
391.  		} else	u.ustuck = 0;
392.  	}
393.  	pmon(mtmp);
394.  }
395.  
396.  struct monst *
397.  mkmon_at(let,x,y)
398.  char let;
399.  register int x,y;
400.  {
401.  	register int ct;
402.  	register struct permonst *ptr;
403.  
404.  	for(ct = 0; ct < CMNUM; ct++) {
405.  		ptr = &mons[ct];
406.  		if(ptr->mlet == let)
407.  			return(makemon(ptr,x,y));
408.  	}
409.  	return((struct monst *)0);
410.  }

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