mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-16 10:20:30 +00:00
68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/*
|
|
* Copyright (c) 1980, 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
|
|
static char sccsid[] = "@(#)rnd_pos.c 8.1 (Berkeley) 5/31/93";
|
|
#endif /* not lint */
|
|
|
|
# include <stdlib.h>
|
|
# include "robots.h"
|
|
|
|
# define IS_SAME(p,y,x) ((p).y != -1 && (p).y == y && (p).x == x)
|
|
|
|
/*
|
|
* rnd_pos:
|
|
* Pick a random, unoccupied position
|
|
*/
|
|
COORD *
|
|
rnd_pos()
|
|
{
|
|
static COORD pos;
|
|
static int call = 0;
|
|
register int i = 0;
|
|
|
|
do {
|
|
pos.y = rnd(Y_FIELDSIZE - 1) + 1;
|
|
pos.x = rnd(X_FIELDSIZE - 1) + 1;
|
|
refresh();
|
|
} while (Field[pos.y][pos.x] != 0);
|
|
call++;
|
|
return &pos;
|
|
}
|
|
|
|
rnd(range)
|
|
int range;
|
|
{
|
|
return random() % range;
|
|
}
|