summaryrefslogtreecommitdiffstats
path: root/hack/hack.mkmaze.c
blob: bee24f954c30ec4ea6eb3ccd46d71032a894b52d (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
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* hack.mkmaze.c - version 1.0.2 */

#include "hack.h"
#include "def.mkroom.h"		/* not really used */
extern struct monst *makemon();
extern struct permonst pm_wizard;
extern struct obj *mkobj_at();
extern coord mazexy();
struct permonst hell_hound =
	{ "hell hound", 'd', 12, 14, 2, 3, 6, 0 };

makemaz()
{
	int x,y;
	register zx,zy;
	coord mm;
	boolean al = (dlevel >= 30 && !flags.made_amulet);

	for(x = 2; x < COLNO-1; x++)
		for(y = 2; y < ROWNO-1; y++)
			levl[x][y].typ = (x%2 && y%2) ? 0 : HWALL;
	if(al) {
	    register struct monst *mtmp;

	    zx = 2*(COLNO/4) - 1;
	    zy = 2*(ROWNO/4) - 1;
	    for(x = zx-2; x < zx+4; x++) for(y = zy-2; y <= zy+2; y++) {
		levl[x][y].typ =
		    (y == zy-2 || y == zy+2 || x == zx-2 || x == zx+3) ? POOL :
		    (y == zy-1 || y == zy+1 || x == zx-1 || x == zx+2) ? HWALL:
		    ROOM;
	    }
	    (void) mkobj_at(AMULET_SYM, zx, zy);
	    flags.made_amulet = 1;
	    walkfrom(zx+4, zy);
	    if(mtmp = makemon(&hell_hound, zx, zy))
		mtmp->msleep = 1;
	    if(mtmp = makemon(PM_WIZARD, zx+1, zy)) {
		mtmp->msleep = 1;
		flags.no_of_wizards = 1;
	    }
	} else {
	    mm = mazexy();
	    zx = mm.x;
	    zy = mm.y;
	    walkfrom(zx,zy);
	    (void) mksobj_at(WAN_WISHING, zx, zy);
	    (void) mkobj_at(ROCK_SYM, zx, zy);	/* put a rock on top of it */
	}

	for(x = 2; x < COLNO-1; x++)
		for(y = 2; y < ROWNO-1; y++) {
			switch(levl[x][y].typ) {
			case HWALL:
				levl[x][y].scrsym = '-';
				break;
			case ROOM:
				levl[x][y].scrsym = '.';
				break;
			}
		}
	for(x = rn1(8,11); x; x--) {
		mm = mazexy();
		(void) mkobj_at(rn2(2) ? GEM_SYM : 0, mm.x, mm.y);
	}
	for(x = rn1(10,2); x; x--) {
		mm = mazexy();
		(void) mkobj_at(ROCK_SYM, mm.x, mm.y);
	}
	mm = mazexy();
	(void) makemon(PM_MINOTAUR, mm.x, mm.y);
	for(x = rn1(5,7); x; x--) {
		mm = mazexy();
		(void) makemon((struct permonst *) 0, mm.x, mm.y);
	}
	for(x = rn1(6,7); x; x--) {
		mm = mazexy();
		mkgold(0L,mm.x,mm.y);
	}
	for(x = rn1(6,7); x; x--)
		mktrap(0,1,(struct mkroom *) 0);
	mm = mazexy();
	levl[(xupstair = mm.x)][(yupstair = mm.y)].scrsym = '<';
	levl[xupstair][yupstair].typ = STAIRS;
	xdnstair = ydnstair = 0;
}

walkfrom(x,y) int x,y; {
register int q,a,dir;
int dirs[4];
	levl[x][y].typ = ROOM;
	while(1) {
		q = 0;
		for(a = 0; a < 4; a++)
			if(okay(x,y,a)) dirs[q++]= a;
		if(!q) return;
		dir = dirs[rn2(q)];
		move(&x,&y,dir);
		levl[x][y].typ = ROOM;
		move(&x,&y,dir);
		walkfrom(x,y);
	}
}

move(x,y,dir)
register int *x, *y;
register int dir;
{
	switch(dir){
		case 0: --(*y); break;
		case 1: (*x)++; break;
		case 2: (*y)++; break;
		case 3: --(*x); break;
	}
}

okay(x,y,dir)
int x,y;
register int dir;
{
	move(&x,&y,dir);
	move(&x,&y,dir);
	if(x<3 || y<3 || x>COLNO-3 || y>ROWNO-3 || levl[x][y].typ != 0)
		return(0);
	else
		return(1);
}

coord
mazexy(){
	coord mm;
	mm.x = 3 + 2*rn2(COLNO/2 - 2);
	mm.y = 3 + 2*rn2(ROWNO/2 - 2);
	return mm;
}