NetBSD/games/battlestar/room.c

238 lines
4.7 KiB
C

/* $NetBSD: room.c,v 1.12 2005/07/01 06:04:54 jmc 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. 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.
*/
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)room.c 8.2 (Berkeley) 4/28/95";
#else
__RCSID("$NetBSD: room.c,v 1.12 2005/07/01 06:04:54 jmc Exp $");
#endif
#endif /* not lint */
#include "extern.h"
void
writedes(void)
{
int compass;
const char *p;
int c;
printf("\n\t%s\n", location[position].name);
if (beenthere[position] < ROOMDESC || verbose) {
compass = NORTH;
for (p = location[position].desc; (c = *p++) != 0;)
if (c != '-' && c != '*' && c != '+') {
if (c == '=')
putchar('-');
else
putchar(c);
} else {
if (c != '*')
printf(truedirec(compass, c));
compass++;
}
}
}
void
printobjs(void)
{
unsigned int *p = location[position].objects;
int n;
printf("\n");
for (n = 0; n < NUMOFOBJECTS; n++)
if (testbit(p, n) && objdes[n])
puts(objdes[n]);
}
void
whichway(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;
}
}
const char *
truedirec(int way, int 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(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;
}
}