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Initial revision
git-svn-id: file:///srv/svn/joey/bsdgames-trunk@5086 a4a2c43b-8ac3-0310-8836-e0e880c912e2
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joey
241
battlestar/room.c
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241
battlestar/room.c
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/* $NetBSD: room.c,v 1.6 1997/10/11 02:07:35 lukem Exp $ */
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/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)room.c 8.2 (Berkeley) 4/28/95";
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#else
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__RCSID("$NetBSD: room.c,v 1.6 1997/10/11 02:07:35 lukem Exp $");
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#endif
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#endif /* not lint */
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#include "extern.h"
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void
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writedes()
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{
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int compass;
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const char *p;
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int c;
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printf("\n\t%s\n", location[position].name);
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if (beenthere[position] < 3) {
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compass = NORTH;
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for (p = location[position].desc; (c = *p++) != 0;)
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if (c != '-' && c != '*' && c != '+')
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putchar(c);
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else {
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if (c != '*')
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printf(truedirec(compass, c));
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compass++;
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}
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}
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}
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void
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printobjs()
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{
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unsigned int *p = location[position].objects;
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int n;
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printf("\n");
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for (n = 0; n < NUMOFOBJECTS; n++)
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if (testbit(p, n) && objdes[n])
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puts(objdes[n]);
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}
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void
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whichway(here)
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struct room here;
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{
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switch (direction) {
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case NORTH:
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left = here.west;
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right = here.east;
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ahead = here.north;
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back = here.south;
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break;
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case SOUTH:
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left = here.east;
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right = here.west;
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ahead = here.south;
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back = here.north;
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break;
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case EAST:
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left = here.north;
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right = here.south;
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ahead = here.east;
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back = here.west;
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break;
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case WEST:
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left = here.south;
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right = here.north;
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ahead = here.west;
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back = here.east;
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break;
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}
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}
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const char *
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truedirec(way, option)
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int way;
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char option;
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{
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switch (way) {
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case NORTH:
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switch (direction) {
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case NORTH:
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return ("ahead");
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case SOUTH:
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return (option == '+' ? "behind you" :
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"back");
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case EAST:
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return ("left");
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case WEST:
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return ("right");
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}
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case SOUTH:
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switch (direction) {
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case NORTH:
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return (option == '+' ? "behind you" :
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"back");
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case SOUTH:
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return ("ahead");
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case EAST:
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return ("right");
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case WEST:
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return ("left");
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}
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case EAST:
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switch (direction) {
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case NORTH:
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return ("right");
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case SOUTH:
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return ("left");
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case EAST:
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return ("ahead");
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case WEST:
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return (option == '+' ? "behind you" :
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"back");
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}
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case WEST:
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switch (direction) {
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case NORTH:
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return ("left");
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case SOUTH:
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return ("right");
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case EAST:
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return (option == '+' ? "behind you" :
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"back");
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case WEST:
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return ("ahead");
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}
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default:
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printf("Error: room %d. More than four directions wanted.", position);
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return ("!!");
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}
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}
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void
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newway(thisway)
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int thisway;
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{
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switch (direction) {
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case NORTH:
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switch (thisway) {
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case LEFT:
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direction = WEST;
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break;
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case RIGHT:
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direction = EAST;
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break;
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case BACK:
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direction = SOUTH;
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break;
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}
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break;
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case SOUTH:
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switch (thisway) {
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case LEFT:
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direction = EAST;
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break;
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case RIGHT:
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direction = WEST;
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break;
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case BACK:
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direction = NORTH;
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break;
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}
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break;
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case EAST:
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switch (thisway) {
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case LEFT:
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direction = NORTH;
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break;
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case RIGHT:
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direction = SOUTH;
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break;
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case BACK:
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direction = WEST;
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break;
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}
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break;
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case WEST:
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switch (thisway) {
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case LEFT:
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direction = SOUTH;
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break;
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case RIGHT:
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direction = NORTH;
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break;
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case BACK:
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direction = EAST;
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break;
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}
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break;
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}
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}
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