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8
games/bs/Makefile
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8
games/bs/Makefile
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# $Id$
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PROG= bs
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MAN6= bs.6
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DPADD= ${LIBNCURSES} ${LIBMYTINFO}
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LDADD= -lncurses -lmytinfo
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.include <bsd.prog.mk>
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42
games/bs/bs.6
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42
games/bs/bs.6
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.TH BATTLESHIPS 6 "Aug 23, 1989"
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.SH NAME
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bs \- battleships game
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.SH SYNOPSIS
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bs [ -b | -s ] [ -c ]
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.SH DESCRIPTION
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This program allows you to play the familiar Battleships game against the
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computer on a 10x10 board. The interface is visual and largely
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self-explanatory; you place your ships and pick your shots by moving the
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cursor around the `sea' with the rogue/hack motion keys hjklyubn.
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.PP
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Note that when selecting a ship to place, you must type the capital letter
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(these are, after all, capital ships). During ship placement, the `r' command
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may be used to ignore the current position and randomly place your currently
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selected ship. The `R' command will place all remaining ships randomly. The ^L
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command (form feed, ASCII 12) will force a screen redraw).
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.PP
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The command-line arguments control game modes.
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.nf
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-b selects a `blitz' variant
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-s selects a `salvo' variant
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-c permits ships to be placed adjacently
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.fi
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The `blitz' variant allows a side to shoot for as long as it continues to
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score hits.
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.PP
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The `salvo' game allows a player one shot per turn for each of his/her ships
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still afloat. This puts a premium scoring hits early and knocking out some
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ships and also makes much harder the situation where you face a superior force
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with only your PT-boat.
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.PP
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Normally, ships must be separated by at least one square of open water. The
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-c option disables this check and allows them to close-pack.
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.PP
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The algorithm the computer uses once it has found a ship to sink is provably
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optimal. The dispersion criterion for the random-fire algorithm may not be.
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.SH AUTHORS
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Originally written by one Bruce Holloway in 1986. Salvo mode added by Chuck A.
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DeGaul (cbosgd!cad). Visual user interface, `closepack' option, code rewrite
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and manual page by Eric S. Raymond <esr@snark.thyrsus.com> August 1989.
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1252
games/bs/bs.c
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1252
games/bs/bs.c
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File diff suppressed because it is too large
Load Diff
8
games/gdc/Makefile
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8
games/gdc/Makefile
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# $Id$
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PROG= gdc
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MAN6= gdc.6
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DPADD= ${LIBNCURSES} ${LIBMYTINFO}
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LDADD= -lncurses -lmytinfo
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.include <bsd.prog.mk>
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22
games/gdc/gdc.6
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22
games/gdc/gdc.6
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.TH GDC 6
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.SH NAME
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gdc \- grand digital clock (curses)
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.SH SYNOPSIS
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.B gdc
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[-s] [
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.I n
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]
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.SH DESCRIPTION
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.I Gdc
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runs a digital clock made of reverse-video blanks on a curses
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compatible VDU screen. With an optional numeric argument
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.I n
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it stops after
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.I n
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seconds (default never).
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The optional
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.B -s
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flag makes digits scroll as they change. In this curses mode implementation,
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the scrolling option has trouble keeping up.
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.SH AUTHOR
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Amos Shapir, modified for curses by John Lupien.
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202
games/gdc/gdc.c
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202
games/gdc/gdc.c
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/*
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* Grand digital clock for curses compatible terminals
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* Usage: gdc [-s] [n] -- run for n seconds (default infinity)
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* Flags: -s: scroll
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*
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* modified 10-18-89 for curses (jrl)
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* 10-18-89 added signal handling
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*/
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#include <time.h>
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#include <signal.h>
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#include <ncurses.h>
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#include <stdlib.h>
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#ifndef NONPOSIX
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#include <unistd.h>
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#endif
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#define YBASE 10
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#define XBASE 10
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#define XLENGTH 58
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#define YDEPTH 7
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/* it won't be */
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long now; /* yeah! */
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struct tm *tm;
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short disp[11] = {
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075557, 011111, 071747, 071717, 055711,
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074717, 074757, 071111, 075757, 075717, 002020
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};
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long old[6], next[6], new[6], mask;
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char scrol;
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int sigtermed=0;
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int hascolor = 0;
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void set(int, int);
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void standt(int);
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void movto(int, int);
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void sighndl(signo)
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int signo;
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{
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sigtermed=signo;
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}
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int
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main(argc, argv)
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int argc;
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char **argv;
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{
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long t, a;
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int i, j, s, k;
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int n = 0;
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initscr();
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signal(SIGINT,sighndl);
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signal(SIGTERM,sighndl);
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signal(SIGHUP,sighndl);
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cbreak();
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noecho();
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hascolor = has_colors();
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if(hascolor) {
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start_color();
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init_pair(1, COLOR_BLACK, COLOR_RED);
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init_pair(2, COLOR_RED, COLOR_BLACK);
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init_pair(3, COLOR_WHITE, COLOR_BLACK);
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attrset(COLOR_PAIR(2));
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}
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clear();
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refresh();
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while(--argc > 0) {
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if(**++argv == '-')
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scrol = 1;
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else
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n = atoi(*argv);
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}
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if(hascolor) {
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attrset(COLOR_PAIR(3));
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mvaddch(YBASE - 2, XBASE - 3, ACS_ULCORNER);
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hline(ACS_HLINE, XLENGTH);
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mvaddch(YBASE - 2, XBASE - 2 + XLENGTH, ACS_URCORNER);
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mvaddch(YBASE + YDEPTH - 1, XBASE - 3, ACS_LLCORNER);
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hline(ACS_HLINE, XLENGTH);
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mvaddch(YBASE + YDEPTH - 1, XBASE - 2 + XLENGTH, ACS_LRCORNER);
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move(YBASE - 1, XBASE - 3);
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vline(ACS_VLINE, YDEPTH);
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move(YBASE - 1, XBASE - 2 + XLENGTH);
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vline(ACS_VLINE, YDEPTH);
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attrset(COLOR_PAIR(2));
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}
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do {
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mask = 0;
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time(&now);
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tm = localtime(&now);
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set(tm->tm_sec%10, 0);
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set(tm->tm_sec/10, 4);
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set(tm->tm_min%10, 10);
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set(tm->tm_min/10, 14);
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set(tm->tm_hour%10, 20);
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set(tm->tm_hour/10, 24);
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set(10, 7);
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set(10, 17);
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for(k=0; k<6; k++) {
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if(scrol) {
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for(i=0; i<5; i++)
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new[i] = (new[i]&~mask) | (new[i+1]&mask);
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new[5] = (new[5]&~mask) | (next[k]&mask);
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} else
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new[k] = (new[k]&~mask) | (next[k]&mask);
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next[k] = 0;
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for(s=1; s>=0; s--) {
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standt(s);
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for(i=0; i<6; i++) {
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if((a = (new[i]^old[i])&(s ? new : old)[i]) != 0) {
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for(j=0,t=1<<26; t; t>>=1,j++) {
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if(a&t) {
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if(!(a&(t<<1))) {
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movto(YBASE + i, XBASE + 2*j);
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}
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addstr(" ");
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}
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}
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}
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if(!s) {
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old[i] = new[i];
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}
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}
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if(!s) {
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refresh();
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}
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}
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}
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movto(6, 0);
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refresh();
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sleep(1);
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if (sigtermed) {
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standend();
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clear();
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refresh();
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endwin();
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fprintf(stderr, "gdc terminated by signal %d\n", sigtermed);
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exit(1);
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}
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} while(--n);
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standend();
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clear();
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refresh();
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endwin();
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return(0);
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}
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void
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set(int t, int n)
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{
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int i, m;
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m = 7<<n;
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for(i=0; i<5; i++) {
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next[i] |= ((disp[t]>>(4-i)*3)&07)<<n;
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mask |= (next[i]^old[i])&m;
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}
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if(mask&m)
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mask |= m;
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}
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void
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standt(int on)
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{
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if (on) {
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if(hascolor) {
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attron(COLOR_PAIR(1));
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} else {
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attron(A_STANDOUT);
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}
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} else {
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if(hascolor) {
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attron(COLOR_PAIR(2));
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} else {
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attroff(A_STANDOUT);
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}
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}
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}
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void
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movto(int line, int col)
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{
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move(line, col);
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}
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