summaryrefslogtreecommitdiffstats
path: root/hack/hack.vault.c
blob: 4564d97463e0ff56884c74c75d828be025da91b4 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
/*
 * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
 */

#ifndef lint
static char rcsid[] = "$NetBSD: hack.vault.c,v 1.3 1995/03/23 08:31:59 cgd Exp $";
#endif /* not lint */

#include	"hack.h"
#ifdef QUEST
setgd(/* mtmp */) /* struct monst *mtmp; */ {}
gd_move() { return(2); }
gddead(mtmp) struct monst *mtmp; {}
replgd(mtmp,mtmp2) struct monst *mtmp, *mtmp2; {}
invault(){}

#else


#include "def.mkroom.h"
extern struct monst *makemon();
#define	FCSIZ	(ROWNO+COLNO)
struct fakecorridor {
	xchar fx,fy,ftyp;
};

struct egd {
	int fcbeg, fcend;	/* fcend: first unused pos */
	xchar gdx, gdy;		/* goal of guard's walk */
	unsigned gddone:1;
	struct fakecorridor fakecorr[FCSIZ];
};

static struct permonst pm_guard =
	{ "guard", '@', 12, 12, -1, 4, 10, sizeof(struct egd) };

static struct monst *guard;
static int gdlevel;
#define	EGD	((struct egd *)(&(guard->mextra[0])))

static
restfakecorr()
{
	register fcx,fcy,fcbeg;
	register struct rm *crm;

	while((fcbeg = EGD->fcbeg) < EGD->fcend) {
		fcx = EGD->fakecorr[fcbeg].fx;
		fcy = EGD->fakecorr[fcbeg].fy;
		if((u.ux == fcx && u.uy == fcy) || cansee(fcx,fcy) ||
		   m_at(fcx,fcy))
			return;
		crm = &levl[fcx][fcy];
		crm->typ = EGD->fakecorr[fcbeg].ftyp;
		if(!crm->typ) crm->seen = 0;
		newsym(fcx,fcy);
		EGD->fcbeg++;
	}
	/* it seems he left the corridor - let the guard disappear */
	mondead(guard);
	guard = 0;
}

static
goldincorridor()
{
	register int fci;

	for(fci = EGD->fcbeg; fci < EGD->fcend; fci++)
		if(g_at(EGD->fakecorr[fci].fx, EGD->fakecorr[fci].fy))
			return(1);
	return(0);
}

setgd(){
register struct monst *mtmp;
	for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) if(mtmp->isgd){
		guard = mtmp;
		gdlevel = dlevel;
		return;
	}
	guard = 0;
}

invault(){
register tmp = inroom(u.ux, u.uy);
    if(tmp < 0 || rooms[tmp].rtype != VAULT) {
	u.uinvault = 0;
	return;
    }
    if(++u.uinvault % 50 == 0 && (!guard || gdlevel != dlevel)) {
	char buf[BUFSZ];
	register x,y,dd,gx,gy;

	/* first find the goal for the guard */
	for(dd = 1; (dd < ROWNO || dd < COLNO); dd++) {
	  for(y = u.uy-dd; y <= u.uy+dd; y++) {
	    if(y < 0 || y > ROWNO-1) continue;
	    for(x = u.ux-dd; x <= u.ux+dd; x++) {
	      if(y != u.uy-dd && y != u.uy+dd && x != u.ux-dd)
		x = u.ux+dd;
	      if(x < 0 || x > COLNO-1) continue;
	      if(levl[x][y].typ == CORR) goto fnd;
	    }
	  }
	}
	impossible("Not a single corridor on this level??");
	tele();
	return;
fnd:
	gx = x; gy = y;

	/* next find a good place for a door in the wall */
	x = u.ux; y = u.uy;
	while(levl[x][y].typ == ROOM) {
		register int dx,dy;

		dx = (gx > x) ? 1 : (gx < x) ? -1 : 0;
		dy = (gy > y) ? 1 : (gy < y) ? -1 : 0;
		if(abs(gx-x) >= abs(gy-y))
			x += dx;
		else
			y += dy;
	}

	/* make something interesting happen */
	if(!(guard = makemon(&pm_guard,x,y))) return;
	guard->isgd = guard->mpeaceful = 1;
	EGD->gddone = 0;
	gdlevel = dlevel;
	if(!cansee(guard->mx, guard->my)) {
		mondead(guard);
		guard = 0;
		return;
	}

	pline("Suddenly one of the Vault's guards enters!");
	pmon(guard);
	do {
		pline("\"Hello stranger, who are you?\" - ");
		getlin(buf);
	} while (!letter(buf[0]));

	if(!strcmp(buf, "Croesus") || !strcmp(buf, "Kroisos")) {
		pline("\"Oh, yes - of course. Sorry to have disturbed you.\"");
		mondead(guard);
		guard = 0;
		return;
	}
	clrlin();
	pline("\"I don't know you.\"");
	if(!u.ugold)
	    pline("\"Please follow me.\"");
	else {
	    pline("\"Most likely all that gold was stolen from this vault.\"");
	    pline("\"Please drop your gold (say d$ ) and follow me.\"");
	}
	EGD->gdx = gx;
	EGD->gdy = gy;
	EGD->fcbeg = 0;
	EGD->fakecorr[0].fx = x;
	EGD->fakecorr[0].fy = y;
	EGD->fakecorr[0].ftyp = levl[x][y].typ;
	levl[x][y].typ = DOOR;
	EGD->fcend = 1;
    }
}

gd_move(){
register int x,y,dx,dy,gx,gy,nx,ny,typ;
register struct fakecorridor *fcp;
register struct rm *crm;
	if(!guard || gdlevel != dlevel){
		impossible("Where is the guard?");
		return(2);	/* died */
	}
	if(u.ugold || goldincorridor())
		return(0);	/* didnt move */
	if(dist(guard->mx,guard->my) > 1 || EGD->gddone) {
		restfakecorr();
		return(0);	/* didnt move */
	}
	x = guard->mx;
	y = guard->my;
	/* look around (hor & vert only) for accessible places */
	for(nx = x-1; nx <= x+1; nx++) for(ny = y-1; ny <= y+1; ny++) {
	    if(nx == x || ny == y) if(nx != x || ny != y)
	    if(isok(nx,ny))
	    if(!IS_WALL(typ = (crm = &levl[nx][ny])->typ) && typ != POOL) {
		register int i;
		for(i = EGD->fcbeg; i < EGD->fcend; i++)
			if(EGD->fakecorr[i].fx == nx &&
			   EGD->fakecorr[i].fy == ny)
				goto nextnxy;
		if((i = inroom(nx,ny)) >= 0 && rooms[i].rtype == VAULT)
			goto nextnxy;
		/* seems we found a good place to leave him alone */
		EGD->gddone = 1;
		if(ACCESSIBLE(typ)) goto newpos;
		crm->typ = (typ == SCORR) ? CORR : DOOR;
		goto proceed;
	    }
    nextnxy:	;
	}
	nx = x;
	ny = y;
	gx = EGD->gdx;
	gy = EGD->gdy;
	dx = (gx > x) ? 1 : (gx < x) ? -1 : 0;
	dy = (gy > y) ? 1 : (gy < y) ? -1 : 0;
	if(abs(gx-x) >= abs(gy-y)) nx += dx; else ny += dy;

	while((typ = (crm = &levl[nx][ny])->typ) != 0) {
	/* in view of the above we must have IS_WALL(typ) or typ == POOL */
	/* must be a wall here */
		if(isok(nx+nx-x,ny+ny-y) && typ != POOL &&
		    ZAP_POS(levl[nx+nx-x][ny+ny-y].typ)){
			crm->typ = DOOR;
			goto proceed;
		}
		if(dy && nx != x) {
			nx = x; ny = y+dy;
			continue;
		}
		if(dx && ny != y) {
			ny = y; nx = x+dx; dy = 0;
			continue;
		}
		/* I don't like this, but ... */
		crm->typ = DOOR;
		goto proceed;
	}
	crm->typ = CORR;
proceed:
	if(cansee(nx,ny)) {
		mnewsym(nx,ny);
		prl(nx,ny);
	}
	fcp = &(EGD->fakecorr[EGD->fcend]);
	if(EGD->fcend++ == FCSIZ) panic("fakecorr overflow");
	fcp->fx = nx;
	fcp->fy = ny;
	fcp->ftyp = typ;
newpos:
	if(EGD->gddone) nx = ny = 0;
	guard->mx = nx;
	guard->my = ny;
	pmon(guard);
	restfakecorr();
	return(1);
}

gddead(){
	guard = 0;
}

replgd(mtmp,mtmp2)
register struct monst *mtmp, *mtmp2;
{
	if(mtmp == guard)
		guard = mtmp2;
}

#endif QUEST