diff options
author | jkh <jkh@FreeBSD.org> | 1994-09-04 04:03:31 +0000 |
---|---|---|
committer | jkh <jkh@FreeBSD.org> | 1994-09-04 04:03:31 +0000 |
commit | 057afceb86e030ad65b0130436860d9a18066186 (patch) | |
tree | a0ced9c9b9278eb776d89cd2565c27ddcf020b51 /games/robots/rnd_pos.c | |
parent | eedec95276cdb8aef98e92c5371000f10b8d6ba7 (diff) | |
download | FreeBSD-src-057afceb86e030ad65b0130436860d9a18066186.zip FreeBSD-src-057afceb86e030ad65b0130436860d9a18066186.tar.gz |
Bring in the 4.4 Lite games directory, modulo man page changes and segregation
of the x11 based games. I'm not going to tag the originals with bsd_44_lite
and do this in two stages since it's just not worth it for this collection,
and I've got directory renames to deal with that way. Bleah.
Submitted by: jkh
Diffstat (limited to 'games/robots/rnd_pos.c')
-rw-r--r-- | games/robots/rnd_pos.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/games/robots/rnd_pos.c b/games/robots/rnd_pos.c new file mode 100644 index 0000000..f61609a --- /dev/null +++ b/games/robots/rnd_pos.c @@ -0,0 +1,68 @@ +/* + * 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 "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; +{ + unsigned int rand(); + + return rand() % range; +} |