218 lines
6.2 KiB
C
218 lines
6.2 KiB
C
/* $NetBSD: hack.mkmaze.c,v 1.8 2009/08/12 07:28:41 dholland Exp $ */
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/*
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* Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
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* Amsterdam
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of the Stichting Centrum voor Wiskunde en
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* Informatica, nor the names of its contributors may be used to endorse or
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* promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: hack.mkmaze.c,v 1.8 2009/08/12 07:28:41 dholland Exp $");
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#endif /* not lint */
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#include "hack.h"
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#include "extern.h"
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#include "def.mkroom.h" /* not really used */
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static const struct permonst hell_hound =
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{"hell hound", 'd', 12, 14, 2, 3, 6, 0};
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static void walkfrom(int, int);
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static void move(int *, int *, int);
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static int okay(int, int, int);
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void
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makemaz(void)
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{
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int x, y;
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int zx, zy;
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coord mm;
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boolean al = (dlevel >= 30 && !flags.made_amulet);
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for (x = 2; x < COLNO - 1; x++)
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for (y = 2; y < ROWNO - 1; y++)
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levl[x][y].typ = (x % 2 && y % 2) ? 0 : HWALL;
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if (al) {
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struct monst *mtmp;
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zx = 2 * (COLNO / 4) - 1;
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zy = 2 * (ROWNO / 4) - 1;
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for (x = zx - 2; x < zx + 4; x++)
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for (y = zy - 2; y <= zy + 2; y++) {
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levl[x][y].typ =
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(y == zy - 2 || y == zy + 2 || x == zx - 2 || x == zx + 3) ? POOL :
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(y == zy - 1 || y == zy + 1 || x == zx - 1 || x == zx + 2) ? HWALL :
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ROOM;
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}
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(void) mkobj_at(AMULET_SYM, zx, zy);
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flags.made_amulet = 1;
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walkfrom(zx + 4, zy);
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if ((mtmp = makemon(&hell_hound, zx, zy)) != NULL)
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mtmp->msleep = 1;
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if ((mtmp = makemon(PM_WIZARD, zx + 1, zy)) != NULL) {
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mtmp->msleep = 1;
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flags.no_of_wizards = 1;
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}
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} else {
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mm = mazexy();
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zx = mm.x;
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zy = mm.y;
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walkfrom(zx, zy);
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(void) mksobj_at(WAN_WISHING, zx, zy);
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(void) mkobj_at(ROCK_SYM, zx, zy); /* put a rock on top of
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* it */
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}
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for (x = 2; x < COLNO - 1; x++)
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for (y = 2; y < ROWNO - 1; y++) {
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switch (levl[x][y].typ) {
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case HWALL:
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levl[x][y].scrsym = '-';
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break;
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case ROOM:
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levl[x][y].scrsym = '.';
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break;
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}
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}
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for (x = rn1(8, 11); x; x--) {
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mm = mazexy();
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(void) mkobj_at(rn2(2) ? GEM_SYM : 0, mm.x, mm.y);
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}
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for (x = rn1(10, 2); x; x--) {
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mm = mazexy();
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(void) mkobj_at(ROCK_SYM, mm.x, mm.y);
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}
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mm = mazexy();
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(void) makemon(PM_MINOTAUR, mm.x, mm.y);
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for (x = rn1(5, 7); x; x--) {
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mm = mazexy();
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(void) makemon((struct permonst *) 0, mm.x, mm.y);
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}
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for (x = rn1(6, 7); x; x--) {
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mm = mazexy();
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mkgold(0L, mm.x, mm.y);
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}
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for (x = rn1(6, 7); x; x--)
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mktrap(0, 1, (struct mkroom *) 0);
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mm = mazexy();
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levl[(xupstair = mm.x)][(yupstair = mm.y)].scrsym = '<';
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levl[xupstair][yupstair].typ = STAIRS;
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xdnstair = ydnstair = 0;
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}
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static void
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walkfrom(int x, int y)
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{
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int q, a, dir;
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int dirs[4];
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levl[x][y].typ = ROOM;
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while (1) {
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q = 0;
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for (a = 0; a < 4; a++)
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if (okay(x, y, a))
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dirs[q++] = a;
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if (!q)
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return;
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dir = dirs[rn2(q)];
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move(&x, &y, dir);
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levl[x][y].typ = ROOM;
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move(&x, &y, dir);
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walkfrom(x, y);
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}
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}
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static void
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move(int *x, int *y, int dir)
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{
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switch (dir) {
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case 0:
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--(*y);
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break;
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case 1:
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(*x)++;
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break;
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case 2:
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(*y)++;
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break;
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case 3:
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--(*x);
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break;
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}
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}
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static int
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okay(int x, int y, int dir)
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{
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move(&x, &y, dir);
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move(&x, &y, dir);
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if (x < 3 || y < 3 || x > COLNO - 3 || y > ROWNO - 3 || levl[x][y].typ != 0)
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return (0);
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else
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return (1);
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}
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coord
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mazexy(void)
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{
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coord mm;
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mm.x = 3 + 2 * rn2(COLNO / 2 - 2);
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mm.y = 3 + 2 * rn2(ROWNO / 2 - 2);
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return mm;
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}
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