xref: /dragonfly/games/hack/hack.mkshop.c (revision 984263bc)
1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.mkshop.c - version 1.0.3 */
3 /* $FreeBSD: src/games/hack/hack.mkshop.c,v 1.4 1999/11/16 10:26:37 marcel Exp $ */
4 
5 #ifndef QUEST
6 #include "hack.h"
7 #include "def.mkroom.h"
8 #include "def.eshk.h"
9 #include <stdlib.h>
10 #define	ESHK	((struct eshk *)(&(shk->mextra[0])))
11 extern struct monst *makemon();
12 extern struct obj *mkobj_at();
13 extern int nroom;
14 extern char shtypes[];	/* = "=/)%?!["; 8 types: 7 specialized, 1 mixed */
15 schar shprobs[] = { 3,3,5,5,10,10,14,50 };	/* their probabilities */
16 
17 mkshop(){
18 struct mkroom *sroom;
19 int sh,sx,sy,i = -1;
20 char let;
21 int roomno;
22 struct monst *shk;
23 #ifdef WIZARD
24 	/* first determine shoptype */
25 	if(wizard){
26 		char *ep = getenv("SHOPTYPE");
27 		if(ep){
28 			if(*ep == 'z' || *ep == 'Z'){
29 				mkzoo(ZOO);
30 				return;
31 			}
32 			if(*ep == 'm' || *ep == 'M'){
33 				mkzoo(MORGUE);
34 				return;
35 			}
36 			if(*ep == 'b' || *ep == 'B'){
37 				mkzoo(BEEHIVE);
38 				return;
39 			}
40 			if(*ep == 's' || *ep == 'S'){
41 				mkswamp();
42 				return;
43 			}
44 			for(i=0; shtypes[i]; i++)
45 				if(*ep == shtypes[i]) break;
46 			goto gottype;
47 		}
48 	}
49 gottype:
50 #endif WIZARD
51 	for(sroom = &rooms[0], roomno = 0; ; sroom++, roomno++){
52 		if(sroom->hx < 0) return;
53 		if(sroom - rooms >= nroom) {
54 			pline("rooms not closed by -1?");
55 			return;
56 		}
57 		if(sroom->rtype) continue;
58 		if(!sroom->rlit || has_dnstairs(sroom) || has_upstairs(sroom))
59 			continue;
60 		if(
61 #ifdef WIZARD
62 		   (wizard && getenv("SHOPTYPE") && sroom->doorct != 0) ||
63 #endif WIZARD
64 			sroom->doorct <= 2 && sroom->doorct > 0) break;
65 	}
66 
67 	if(i < 0) {			/* shoptype not yet determined */
68 	    int j;
69 
70 	    for(j = rn2(100), i = 0; (j -= shprobs[i])>= 0; i++)
71 		if(!shtypes[i]) break;			/* superfluous */
72 	    if(isbig(sroom) && i + SHOPBASE == WANDSHOP)
73 		i = GENERAL-SHOPBASE;
74 	}
75 	sroom->rtype = i + SHOPBASE;
76 	let = shtypes[i];
77 	sh = sroom->fdoor;
78 	sx = doors[sh].x;
79 	sy = doors[sh].y;
80 	if(sx == sroom->lx-1) sx++; else
81 	if(sx == sroom->hx+1) sx--; else
82 	if(sy == sroom->ly-1) sy++; else
83 	if(sy == sroom->hy+1) sy--; else {
84 #ifdef WIZARD
85 	    /* This is said to happen sometimes, but I've never seen it. */
86 	    if(wizard) {
87 		int j = sroom->doorct;
88 		extern int doorindex;
89 
90 		pline("Where is shopdoor?");
91 		pline("Room at (%d,%d),(%d,%d).", sroom->lx, sroom->ly,
92 			sroom->hx, sroom->hy);
93 		pline("doormax=%d doorct=%d fdoor=%d",
94 			doorindex, sroom->doorct, sh);
95 		while(j--) {
96 			pline("door [%d,%d]", doors[sh].x, doors[sh].y);
97 			sh++;
98 		}
99 		more();
100 	    }
101 #endif WIZARD
102 	    return;
103 	}
104 	if(!(shk = makemon(PM_SHK,sx,sy))) return;
105 	shk->isshk = shk->mpeaceful = 1;
106 	shk->msleep = 0;
107 	shk->mtrapseen = ~0;	/* we know all the traps already */
108 	ESHK->shoproom = roomno;
109 	ESHK->shoplevel = dlevel;
110 	ESHK->shd = doors[sh];
111 	ESHK->shk.x = sx;
112 	ESHK->shk.y = sy;
113 	ESHK->robbed = 0;
114 	ESHK->visitct = 0;
115 	ESHK->following = 0;
116 	shk->mgold = 1000 + 30*rnd(100);	/* initial capital */
117 	ESHK->billct = 0;
118 	findname(ESHK->shknam, let);
119 	for(sx = sroom->lx; sx <= sroom->hx; sx++)
120 	for(sy = sroom->ly; sy <= sroom->hy; sy++){
121 		struct monst *mtmp;
122 		if((sx == sroom->lx && doors[sh].x == sx-1) ||
123 		   (sx == sroom->hx && doors[sh].x == sx+1) ||
124 		   (sy == sroom->ly && doors[sh].y == sy-1) ||
125 		   (sy == sroom->hy && doors[sh].y == sy+1)) continue;
126 		if(rn2(100) < dlevel && !m_at(sx,sy) &&
127 		   (mtmp = makemon(PM_MIMIC, sx, sy))){
128 			mtmp->mimic = 1;
129 			mtmp->mappearance =
130 			    (let && rn2(10) < dlevel) ? let : ']';
131 			continue;
132 		}
133 		(void) mkobj_at(let, sx, sy);
134 	}
135 }
136 
137 mkzoo(type)
138 int type;
139 {
140 	struct mkroom *sroom;
141 	struct monst *mon;
142 	int sh,sx,sy,i;
143 	int goldlim = 500 * dlevel;
144 	int moct = 0;
145 	struct permonst *morguemon();
146 
147 	i = nroom;
148 	for(sroom = &rooms[rn2(nroom)]; ; sroom++) {
149 		if(sroom == &rooms[nroom])
150 			sroom = &rooms[0];
151 		if(!i-- || sroom->hx < 0)
152 			return;
153 		if(sroom->rtype)
154 			continue;
155 		if(type == MORGUE && sroom->rlit)
156 			continue;
157 		if(has_upstairs(sroom) || (has_dnstairs(sroom) && rn2(3)))
158 			continue;
159 		if(sroom->doorct == 1 || !rn2(5))
160 			break;
161 	}
162 	sroom->rtype = type;
163 	sh = sroom->fdoor;
164 	for(sx = sroom->lx; sx <= sroom->hx; sx++)
165 	for(sy = sroom->ly; sy <= sroom->hy; sy++){
166 		if((sx == sroom->lx && doors[sh].x == sx-1) ||
167 		   (sx == sroom->hx && doors[sh].x == sx+1) ||
168 		   (sy == sroom->ly && doors[sh].y == sy-1) ||
169 		   (sy == sroom->hy && doors[sh].y == sy+1)) continue;
170 		mon = makemon(
171 		   (type == MORGUE) ? morguemon() :
172 		   (type == BEEHIVE) ? PM_KILLER_BEE : (struct permonst *) 0,
173 		   sx, sy);
174 		if(mon) mon->msleep = 1;
175 		switch(type) {
176 		case ZOO:
177 		   i = sq(dist2(sx,sy,doors[sh].x,doors[sh].y));
178 		   if(i >= goldlim) i = 5*dlevel;
179 		   goldlim -= i;
180 		   mkgold((long)(10 + rn2(i)), sx, sy);
181 		   break;
182 		case MORGUE:
183 		   /* Usually there is one dead body in the morgue */
184 		   if(!moct && rn2(3)) {
185 			mksobj_at(CORPSE, sx, sy);
186 			moct++;
187 		   }
188 		   break;
189 		case BEEHIVE:
190 		   if(!rn2(3)) mksobj_at(LUMP_OF_ROYAL_JELLY, sx, sy);
191 		   break;
192 		}
193 	}
194 }
195 
196 struct permonst *
197 morguemon()
198 {
199 	extern struct permonst pm_ghost;
200 	int i = rn2(100), hd = rn2(dlevel);
201 
202 	if(hd > 10 && i < 10) return(PM_DEMON);
203 	if(hd > 8 && i > 85) return(PM_VAMPIRE);
204 	return((i < 40) ? PM_GHOST : (i < 60) ? PM_WRAITH : PM_ZOMBIE);
205 }
206 
207 mkswamp()	/* Michiel Huisjes & Fred de Wilde */
208 {
209 	struct mkroom *sroom;
210 	int sx,sy,i,eelct = 0;
211 	extern struct permonst pm_eel;
212 
213 	for(i=0; i<5; i++) {		/* 5 tries */
214 		sroom = &rooms[rn2(nroom)];
215 		if(sroom->hx < 0 || sroom->rtype ||
216 		   has_upstairs(sroom) || has_dnstairs(sroom))
217 			continue;
218 
219 		/* satisfied; make a swamp */
220 		sroom->rtype = SWAMP;
221 		for(sx = sroom->lx; sx <= sroom->hx; sx++)
222 		for(sy = sroom->ly; sy <= sroom->hy; sy++)
223 		if((sx+sy)%2 && !o_at(sx,sy) && !t_at(sx,sy)
224 			     && !m_at(sx,sy) && !nexttodoor(sx,sy)){
225 			levl[sx][sy].typ = POOL;
226 			levl[sx][sy].scrsym = POOL_SYM;
227 			if(!eelct || !rn2(4)) {
228 				(void) makemon(PM_EEL, sx, sy);
229 				eelct++;
230 			}
231 		}
232 	}
233 }
234 
235 nexttodoor(sx,sy)
236 int sx,sy;
237 {
238 	int dx,dy;
239 	struct rm *lev;
240 	for(dx = -1; dx <= 1; dx++) for(dy = -1; dy <= 1; dy++)
241 		if((lev = &levl[sx+dx][sy+dy])->typ == DOOR ||
242 		    lev->typ == SDOOR || lev->typ == LDOOR)
243 			return(1);
244 	return(0);
245 }
246 
247 has_dnstairs(sroom)
248 struct mkroom *sroom;
249 {
250 	return(sroom->lx <= xdnstair && xdnstair <= sroom->hx &&
251 		   sroom->ly <= ydnstair && ydnstair <= sroom->hy);
252 }
253 
254 has_upstairs(sroom)
255 struct mkroom *sroom;
256 {
257 	return(sroom->lx <= xupstair && xupstair <= sroom->hx &&
258 		   sroom->ly <= yupstair && yupstair <= sroom->hy);
259 }
260 
261 isbig(sroom)
262 struct mkroom *sroom;
263 {
264 	int area = (sroom->hx - sroom->lx) * (sroom->hy - sroom->ly);
265 	return( area > 20 );
266 }
267 
268 dist2(x0,y0,x1,y1){
269 	return((x0-x1)*(x0-x1) + (y0-y1)*(y0-y1));
270 }
271 
272 sq(a) int a; {
273 	return(a*a);
274 }
275 #endif QUEST
276