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git-svn-id: file:///srv/svn/joey/bsdgames-trunk@5086 a4a2c43b-8ac3-0310-8836-e0e880c912e2
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joey
1999-09-08 23:56:51 +00:00
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10
worm/Makefile.bsd Normal file
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# $NetBSD: Makefile,v 1.6 1998/02/18 22:37:32 jtc Exp $
# @(#)Makefile 8.1 (Berkeley) 5/31/93
PROG= worm
MAN= worm.6
DPADD= ${LIBCURSES}
LDADD= -lcurses
HIDEGAME=hidegame
.include <bsd.prog.mk>

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worm/Makefrag Normal file
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# Makefrag - makefile fragment for worm
worm_DIRS := $(GAMESDIR) $(MAN6DIR)
worm_all: worm/worm worm/worm.6
worm_install: worm_all
$(INSTALL_BINARY) worm/worm $(INSTALL_PREFIX)$(GAMESDIR)/worm
$(HIDE_GAME) worm
$(INSTALL_MANUAL) worm/worm.6

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.\" $NetBSD: worm.6,v 1.5 1997/10/12 02:12:45 lukem Exp $
.\"
.\" Copyright (c) 1989, 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.
.\"
.\" @(#)worm.6 8.1 (Berkeley) 5/31/93
.\"
.Dd May 31, 1993
.Dt WORM 6
.Os
.Sh NAME
.Nm worm
.Nd Play the growing worm game
.Sh SYNOPSIS
.Nm
.Op Ar size
.Sh DESCRIPTION
In
.Nm "" ,
you are a little worm, your body is the "o"'s on the screen
and your head is the "@". You move with the hjkl keys (as in the game
snake). If you don't press any keys, you continue in the direction you
last moved. The upper case HJKL keys move you as if you had pressed
several (9 for HL and 5 for JK) of the corresponding lower case key
(unless you run into a digit, then it stops).
.Pp
On the screen you will see a digit, if your worm eats the digit is will
grow longer, the actual amount longer depends on which digit it was
that you ate. The object of the game is to see how long you can make
the worm grow.
.Pp
The game ends when the worm runs into either the sides of the screen,
or itself. The current score (how much the worm has grown) is kept in
the upper left corner of the screen.
.Pp
The optional argument, if present, is the initial length of the worm.
.Sh BUGS
If the initial length of the worm is set to less than one or more
than 75, various strange things happen.

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/* $NetBSD: worm.c,v 1.9 1998/09/13 15:27:30 hubertf Exp $ */
/*
* 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.
*/
#include <sys/cdefs.h>
#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1980, 1993\n\
The Regents of the University of California. All rights reserved.\n");
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)worm.c 8.1 (Berkeley) 5/31/93";
#else
__RCSID("$NetBSD: worm.c,v 1.9 1998/09/13 15:27:30 hubertf Exp $");
#endif
#endif /* not lint */
/*
* Worm. Written by Michael Toy
* UCSC
*/
#include <ctype.h>
#include <curses.h>
#include <signal.h>
#include <stdlib.h>
#include <termios.h>
#include <unistd.h>
#define newlink() (struct body *) malloc(sizeof (struct body));
#define HEAD '@'
#define BODY 'o'
#define LENGTH 7
#define RUNLEN 8
#define CNTRL(p) (p-'A'+1)
WINDOW *tv;
WINDOW *stw;
struct body {
int x;
int y;
struct body *prev;
struct body *next;
} *head, *tail, goody;
int growing = 0;
int running = 0;
int slow = 0;
int score = 0;
int start_len = LENGTH;
char lastch;
char outbuf[BUFSIZ];
void crash __P((void)) __attribute__((__noreturn__));
void display __P((struct body *, char));
int main __P((int, char **));
void leave __P((int)) __attribute__((__noreturn__));
void life __P((void));
void newpos __P((struct body *));
void process __P((char));
void prize __P((void));
int rnd __P((int));
void setup __P((void));
void suspend __P((int));
void wake __P((int));
int
main(argc, argv)
int argc;
char **argv;
{
char ch;
/* Revoke setgid privileges */
setregid(getgid(), getgid());
if (argc == 2)
start_len = atoi(argv[1]);
if ((start_len <= 0) || (start_len > 500))
start_len = LENGTH;
setbuf(stdout, outbuf);
srand(getpid());
signal(SIGALRM, wake);
signal(SIGINT, leave);
signal(SIGQUIT, leave);
signal(SIGTSTP, suspend); /* process control signal */
initscr();
crmode();
noecho();
slow = (baudrate() <= 1200);
clear();
stw = newwin(1, COLS-1, 0, 0);
tv = newwin(LINES-1, COLS-1, 1, 0);
box(tv, '*', '*');
scrollok(tv, FALSE);
scrollok(stw, FALSE);
wmove(stw, 0, 0);
wprintw(stw, " Worm");
refresh();
wrefresh(stw);
wrefresh(tv);
life(); /* Create the worm */
prize(); /* Put up a goal */
while(1)
{
if (running)
{
running--;
process(lastch);
}
else
{
fflush(stdout);
if (read(0, &ch, 1) >= 0)
process(ch);
}
}
}
void
life()
{
struct body *bp, *np;
int i;
np = NULL;
head = newlink();
head->x = start_len+2;
head->y = 12;
head->next = NULL;
display(head, HEAD);
for (i = 0, bp = head; i < start_len; i++, bp = np) {
np = newlink();
np->next = bp;
bp->prev = np;
np->x = bp->x - 1;
np->y = bp->y;
display(np, BODY);
}
tail = np;
tail->prev = NULL;
}
void
display(pos, chr)
struct body *pos;
char chr;
{
wmove(tv, pos->y, pos->x);
waddch(tv, chr);
}
void
leave(dummy)
int dummy __attribute__((unused));
{
endwin();
exit(0);
}
void
wake(dummy)
int dummy __attribute__((unused));
{
signal(SIGALRM, wake);
fflush(stdout);
process(lastch);
}
int
rnd(range)
int range;
{
return abs((rand()>>5)+(rand()>>5)) % range;
}
void
newpos(bp)
struct body * bp;
{
do {
bp->y = rnd(LINES-3)+ 2;
bp->x = rnd(COLS-3) + 1;
wmove(tv, bp->y, bp->x);
} while(winch(tv) != ' ');
}
void
prize()
{
int value;
value = rnd(9) + 1;
newpos(&goody);
waddch(tv, value+'0');
wrefresh(tv);
}
void
process(ch)
char ch;
{
int x,y;
struct body *nh;
alarm(0);
x = head->x;
y = head->y;
switch(ch)
{
case 'h': x--; break;
case 'j': y++; break;
case 'k': y--; break;
case 'l': x++; break;
case 'H': x--; running = RUNLEN; ch = tolower(ch); break;
case 'J': y++; running = RUNLEN/2; ch = tolower(ch); break;
case 'K': y--; running = RUNLEN/2; ch = tolower(ch); break;
case 'L': x++; running = RUNLEN; ch = tolower(ch); break;
case '\f': setup(); return;
case CNTRL('Z'): suspend(0); return;
case CNTRL('C'): crash(); return;
case CNTRL('D'): crash(); return;
default: if (! running) alarm(1);
return;
}
lastch = ch;
if (growing == 0)
{
display(tail, ' ');
tail->next->prev = NULL;
nh = tail->next;
free(tail);
tail = nh;
}
else growing--;
display(head, BODY);
wmove(tv, y, x);
if (isdigit(ch = winch(tv)))
{
growing += ch-'0';
prize();
score += growing;
running = 0;
wmove(stw, 0, 68);
wprintw(stw, "Score: %3d", score);
wrefresh(stw);
}
else if(ch != ' ') crash();
nh = newlink();
nh->next = NULL;
nh->prev = head;
head->next = nh;
nh->y = y;
nh->x = x;
display(nh, HEAD);
head = nh;
if (!(slow && running))
{
wmove(tv, head->y, head->x);
wrefresh(tv);
}
if (!running)
alarm(1);
}
void
crash()
{
sleep(2);
clear();
move(23, 0);
refresh();
printf("Well, you ran into something and the game is over.\n");
printf("Your final score was %d\n", score);
leave(0);
}
void
suspend(dummy)
int dummy __attribute__((unused));
{
move(LINES-1, 0);
refresh();
endwin();
fflush(stdout);
kill(getpid(), SIGTSTP);
signal(SIGTSTP, suspend);
crmode();
noecho();
setup();
}
void
setup()
{
clear();
refresh();
touchwin(stw);
wrefresh(stw);
touchwin(tv);
wrefresh(tv);
alarm(1);
}