/* $OpenBSD: room.c,v 1.3 1997/08/24 21:55:13 deraadt Exp $ */ /* $NetBSD: room.c,v 1.3 1995/03/21 15:07:54 cgd Exp $ */ /* * Copyright (c) 1983, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint #if 0 static char sccsid[] = "@(#)room.c 8.1 (Berkeley) 5/31/93"; #else static char rcsid[] = "$NetBSD: room.c,v 1.3 1995/03/21 15:07:54 cgd Exp $"; #endif #endif /* not lint */ #include "extern.h" void writedes() { int compass; register char *p; register c; printf("\n\t%s\n", location[position].name); if (beenthere[position] < 3) { compass = NORTH; for (p = location[position].desc; c = *p++;) if (c != '-' && c != '*' && c != '+') putchar(c); else { if (c != '*') printf(truedirec(compass, c)); compass++; } } } void printobjs() { register unsigned int *p = location[position].objects; register n; printf("\n"); for (n = 0; n < NUMOFOBJECTS; n++) if (testbit(p, n) && objdes[n]) puts(objdes[n]); } void whichway(here) struct room here; { switch(direction) { case NORTH: left = here.west; right = here.east; ahead = here.north; back = here.south; break; case SOUTH: left = here.east; right = here.west; ahead = here.south; back = here.north; break; case EAST: left = here.north; right = here.south; ahead = here.east; back = here.west; break; case WEST: left = here.south; right = here.north; ahead = here.west; back = here.east; break; } } char * truedirec(way, option) int way; char option; { switch(way) { case NORTH: switch(direction) { case NORTH: return("ahead"); case SOUTH: return(option == '+' ? "behind you" : "back"); case EAST: return("left"); case WEST: return("right"); } case SOUTH: switch(direction) { case NORTH: return(option == '+' ? "behind you" : "back"); case SOUTH: return("ahead"); case EAST: return("right"); case WEST: return("left"); } case EAST: switch(direction) { case NORTH: return("right"); case SOUTH: return("left"); case EAST: return("ahead"); case WEST: return(option == '+' ? "behind you" : "back"); } case WEST: switch(direction) { case NORTH: return("left"); case SOUTH: return("right"); case EAST: return(option == '+' ? "behind you" : "back"); case WEST: return("ahead"); } default: printf("Error: room %d. More than four directions wanted.", position); return("!!"); } } void newway(thisway) int thisway; { switch(direction){ case NORTH: switch(thisway){ case LEFT: direction = WEST; break; case RIGHT: direction = EAST; break; case BACK: direction = SOUTH; break; } break; case SOUTH: switch(thisway){ case LEFT: direction = EAST; break; case RIGHT: direction = WEST; break; case BACK: direction = NORTH; break; } break; case EAST: switch(thisway){ case LEFT: direction = NORTH; break; case RIGHT: direction = SOUTH; break; case BACK: direction = WEST; break; } break; case WEST: switch(thisway){ case LEFT: direction = SOUTH; break; case RIGHT: direction = NORTH; break; case BACK: direction = EAST; break; } break; } }