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Source:NetHack 2.2a/mkshop.c

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Below is the full text to mkshop.c from the source code of NetHack 2.2a. To link to a particular line, write [[NetHack 2.2a/mkshop.c#line123]], for example.

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

Screenshots and source code from Hack are used under the CWI license.
1.    /*	SCCS Id: @(#)mkshop.c	2.1	87/09/23
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    
4.    #ifndef QUEST
5.    #include "hack.h"
6.    #include "mkroom.h"
7.    extern struct monst *makemon();
8.    extern struct obj *mkobj_at();
9.    extern int nroom;
10.   
11.   mkshop(){
12.   register struct mkroom *sroom;
13.   int roomno, i = -1;
14.   #ifdef WIZARD
15.   extern char *getenv();
16.   
17.   	/* first determine shoptype */
18.   	if(wizard){
19.   		register char *ep = getenv("SHOPTYPE");
20.   		if(ep){
21.   			if(*ep == 'z' || *ep == 'Z'){
22.   				mkzoo(ZOO);
23.   				return;
24.   			}
25.   			if(*ep == 'm' || *ep == 'M'){
26.   				mkzoo(MORGUE);
27.   				return;
28.   			}
29.   			if(*ep == 'b' || *ep == 'B'){
30.   				mkzoo(BEEHIVE);
31.   				return;
32.   			}
33.   #ifdef NEWCLASS
34.   			if(*ep == 't' || *ep == 'T'){
35.   				mkzoo(COURT);
36.   				return;
37.   			}
38.   #endif
39.   			if(*ep == 's' || *ep == 'S'){
40.   				mkswamp();
41.   				return;
42.   			}
43.   			for(i=0; shtypes[i].name; i++)
44.   				if(*ep == shtypes[i].symb) goto gottype;
45.   			i = -1;
46.   		}
47.   	}
48.   gottype:
49.   #endif
50.   	for(sroom = &rooms[0], roomno = 0; ; sroom++, roomno++){
51.   		if(sroom->hx < 0) return;
52.   		if(sroom - rooms >= nroom) {
53.   			pline("rooms not closed by -1?");
54.   			return;
55.   		}
56.   		if(sroom->rtype != OROOM) continue;
57.   		if(!sroom->rlit || has_dnstairs(sroom) || has_upstairs(sroom))
58.   			continue;
59.   		if(
60.   #ifdef WIZARD
61.   		   (wizard && getenv("SHOPTYPE") && sroom->doorct != 0) ||
62.   #endif
63.   			sroom->doorct == 1) break;
64.   	}
65.   
66.   	if(i < 0) {			/* shoptype not yet determined */
67.   	    register int j;
68.   
69.   	    /* pick a shop type at random */
70.   	    for(j = rn2(100), i = 0; j -= shtypes[i].prob; i++)
71.   		if (j < 0)	break;
72.   
73.   	    /* big rooms cannot be wand or book shops,
74.   	     * - so make them general stores
75.   	     */
76.   	    if(isbig(sroom) && (shtypes[i].symb == WAND_SYM
77.   #ifdef SPELLS
78.   				|| shtypes[i].symb == SPBOOK_SYM
79.   #endif
80.   								)) i = 0;
81.   	}
82.   	sroom->rtype = SHOPBASE + i;
83.   
84.   	/* stock the room with a shopkeeper and artifacts */
85.   	stock_room(&(shtypes[i]), sroom);
86.   }
87.   
88.   mkzoo(type)
89.   int type;
90.   {
91.   	register struct mkroom *sroom;
92.   	register struct monst *mon;
93.   	register int sh,sx,sy,i;
94.   	int goldlim = 500 * dlevel;
95.   	int moct = 0;
96.   	struct permonst *morguemon();
97.   #ifdef NEWCLASS
98.   	struct permonst *courtmon();
99.   #endif
100.  
101.  	i = nroom;
102.  	for(sroom = &rooms[rn2(nroom)]; ; sroom++) {
103.  		if(sroom == &rooms[nroom])
104.  			sroom = &rooms[0];
105.  		if(!i-- || sroom->hx < 0)
106.  			return;
107.  		if(sroom->rtype != OROOM)	continue;
108.  		if(has_upstairs(sroom) || (has_dnstairs(sroom) && rn2(3)))
109.  			continue;
110.  		if(sroom->doorct == 1 || !rn2(5))
111.  			break;
112.  	}
113.  	sroom->rtype = type;
114.  	sh = sroom->fdoor;
115.  	for(sx = sroom->lx; sx <= sroom->hx; sx++)
116.  	    for(sy = sroom->ly; sy <= sroom->hy; sy++){
117.  		if((sx == sroom->lx && doors[sh].x == sx-1) ||
118.  		   (sx == sroom->hx && doors[sh].x == sx+1) ||
119.  		   (sy == sroom->ly && doors[sh].y == sy-1) ||
120.  		   (sy == sroom->hy && doors[sh].y == sy+1)) continue;
121.  		mon = makemon(
122.  #ifdef NEWCLASS
123.  		   (type == COURT) ? courtmon() :
124.  #endif
125.  		   (type == MORGUE) ? morguemon() :
126.  		   (type == BEEHIVE) ? PM_KILLER_BEE : (struct permonst *) 0,
127.  		   sx, sy);
128.  		if(mon) mon->msleep = 1;
129.  		switch(type) {
130.  		case ZOO:
131.  		   i = sq(dist2(sx,sy,doors[sh].x,doors[sh].y));
132.  		   if(i >= goldlim) i = 5*dlevel;
133.  		   goldlim -= i;
134.  		   mkgold((long)(10 + rn2(i)), sx, sy);
135.  		   break;
136.  		case MORGUE:
137.  		   /* Usually there is one dead body in the morgue */
138.  		   if(!moct && rn2(3)) {
139.  			mksobj_at(CORPSE, sx, sy);
140.  			moct++;
141.  		   }
142.  		   break;
143.  		case BEEHIVE:
144.  		   if(!rn2(3)) mksobj_at(LUMP_OF_ROYAL_JELLY, sx, sy);
145.  		   break;
146.  		}
147.  	}
148.  #ifdef NEWCLASS
149.  	if(type == COURT)  {
150.  
151.  		sx = sroom->lx + (rn2(sroom->hx - sroom->lx));
152.  		sy = sroom->ly + (rn2(sroom->hy - sroom->ly));
153.  		levl[sx][sy].typ = THRONE;
154.  		levl[sx][sy].scrsym = THRONE_SYM;
155.  		mkgold((long) rn1(50 * dlevel,10), sx, sy);
156.  	}
157.  #endif
158.  
159.  }
160.  
161.  struct permonst *
162.  morguemon()
163.  {
164.  	extern struct permonst pm_ghost;
165.  	register int i = rn2(100), hd = rn2(dlevel);
166.  
167.  	if(hd > 10 && i < 10) return(PM_DEMON);
168.  	if(hd > 8 && i > 85) return(PM_VAMPIRE);
169.  	return((i < 40) ? PM_GHOST : (i < 60) ? PM_WRAITH : PM_ZOMBIE);
170.  }
171.  
172.  mkswamp()	/* Michiel Huisjes & Fred de Wilde */
173.  {
174.  	register struct mkroom *sroom;
175.  	register int sx,sy,i,eelct = 0;
176.  	extern struct permonst pm_eel;
177.  
178.  	for(i=0; i<5; i++) {		/* 5 tries */
179.  		sroom = &rooms[rn2(nroom)];
180.  		if(sroom->hx < 0 || sroom->rtype != OROOM ||
181.  		   has_upstairs(sroom) || has_dnstairs(sroom))
182.  			continue;
183.  
184.  		/* satisfied; make a swamp */
185.  		sroom->rtype = SWAMP;
186.  		for(sx = sroom->lx; sx <= sroom->hx; sx++)
187.  		for(sy = sroom->ly; sy <= sroom->hy; sy++)
188.  		if((sx+sy)%2 && !o_at(sx,sy) && !t_at(sx,sy)
189.  			     && !m_at(sx,sy) && !nexttodoor(sx,sy)){
190.  			levl[sx][sy].typ = POOL;
191.  			levl[sx][sy].scrsym = POOL_SYM;
192.  			if(!eelct || !rn2(4)) {
193.  				(void) makemon(PM_EEL, sx, sy);
194.  				eelct++;
195.  			}
196.  		}
197.  	}
198.  }
199.  
200.  nexttodoor(sx,sy)
201.  register sx,sy;
202.  {
203.  	register dx,dy;
204.  	register struct rm *lev;
205.  	for(dx = -1; dx <= 1; dx++) for(dy = -1; dy <= 1; dy++)
206.  		if((lev = &levl[sx+dx][sy+dy])->typ == DOOR ||
207.  		    lev->typ == SDOOR || lev->typ == LDOOR)
208.  			return(1);
209.  	return(0);
210.  }
211.  
212.  has_dnstairs(sroom)
213.  register struct mkroom *sroom;
214.  {
215.  	return(sroom->lx <= xdnstair && xdnstair <= sroom->hx &&
216.  		   sroom->ly <= ydnstair && ydnstair <= sroom->hy);
217.  }
218.  
219.  has_upstairs(sroom)
220.  register struct mkroom *sroom;
221.  {
222.  	return(sroom->lx <= xupstair && xupstair <= sroom->hx &&
223.  		   sroom->ly <= yupstair && yupstair <= sroom->hy);
224.  }
225.  
226.  isbig(sroom)
227.  register struct mkroom *sroom;
228.  {
229.  	register int area = (sroom->hx - sroom->lx) * (sroom->hy - sroom->ly);
230.  	return( area > 20 );
231.  }
232.  
233.  dist2(x0,y0,x1,y1){
234.  	return((x0-x1)*(x0-x1) + (y0-y1)*(y0-y1));
235.  }
236.  
237.  sq(a) int a; {
238.  	return(a*a);
239.  }
240.  #endif /* QUEST /**/
241.  
242.  #ifdef NEWCLASS
243.  struct permonst *
244.  courtmon()
245.  {
246.  	int     i = rn2(60) + rn2(3*dlevel);
247.  
248.  	if (i > 100)		return(PM_DRAGON);
249.  	else if (i > 95)	return(PM_XORN);
250.  	else if (i > 85)	return(PM_TROLL);
251.  	else if (i > 75)	return(PM_ETTIN);
252.  	else if (i > 60)	return(PM_CENTAUR);
253.  	else if (i > 45)	return(PM_ORC);
254.  	else if (i > 30)	return(PM_HOBGOBLIN);
255.  #ifdef KOPS
256.  	else			return(PM_GNOME);
257.  #else
258.  	else if (i > 15)	return(PM_GNOME);
259.  	else			return(PM_KOBOLD);
260.  #endif
261.  }
262.  #endif /* NEWCLASS /**/

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