nettoe man page on DragonFly
[printable version]
NETTOE(6) NETTOE(6)
NAME
nettoe - Networked version of Tic Tac Toe for the console.
SYNOPSIS
nettoe [OPTIONS]
DESCRIPTION
netToe is a console-based version of the classic game "Tic Tac Toe".
It is playable against computer AI, against a player on the same
machine, or against another player over the network.
OPTIONS
-4, --ipv4
only IPv4 networking
-6, --ipv6
only IPv6 networking
-nc, --no-colors
disable colors
-nb, --no-beep
disable beeps
-h, --help
display usage hints, then exit
-v, --version
output version information, then exit
HOW TO PLAY VIA NETWORK
First decide who will host the game: you or your opponent. The hosting
player must next do the following.
* Start nettoe.
* Pick the third option (Two players over network) of the Main Menu.
* Choose the first option (Host the Game) at the Network Game Menu.
* Type name, or nickname.
* Communicate the IP address to the other player. Hostnames work, if
registered. We hope you know how to get your own IP address.
* Wait for the other player to connect to your host.
Now the other player, the one connecting to the game server, must:
o Start nettoe.
o Pick the third option (Two players over network) of the Main Menu.
o Use the second option (Connect to a host) at the Network Game Menu.
o Type name, or nickname.
o Type the IP address of the server host, or its hostname. Examples
include 192.168.0.5 and ::1, or fenrir.foe.org and localhost.
o Wait for the game to start.
Enjoy yourselves. If you have any problem, just let us know.
NETWORK PORTS
netToe uses TCP port 7501 as listening port of the server engine,
unless configured otherwise during build time. Use "nettoe -v" to dis‐
play the configured port.
That port must therefore be usable as destination port over the net‐
work. Otherwise remote games would not be possible. For a local game
this is of course mostly irrelevant, but filtering firewalls might
intercept connections in general.
USING THE AI MODES
netToe offers a mode of play where the computer acts as opponent with
some limited built-in abilities to simulate dynamic decisions. Three
levels of AI strength are made available:
* The weaker level first checks a small set of blocking moves, then
some winning moves, and falls back to simple moves in a fixed pri‐
ority order. Since neither set is adaptive, the computer is easily
fooled.
* The normal level uses slightly larger sets of moves at each step,
but is most importantly playing more aggressively than the weaker
level does. It happens in the sense that initial checks are for
winning moves, only later falling back to blocking moves. This
avoids some obvious counterfeit strategy by a human player.
* The better of the three levels is implemented differently. Its
first action is to scan a complete set of winning moves. That
leading nowhere, it scans through all possible blocking moves, and
finally falls back to an ordered list of simple moves. Since not
even this level of play is using a look-ahead search, a human
player can set up traps, but finding those already demands a fair
amount of insight into the game!
There are plans for a further level using a look-ahead search of depth
two. This would improve the usefulness of netToe as an educational
tool. A further level, which is learning from past plays within each
session, could also be an interesting enhancement.
AVAILABILITY
The latest version of this program can be found at
http://nettoe.sourceforge.net/
BUGS
Report bugs to <meand@users.sourceforge.net>. For a list of known
bugs, see the BUGS file in the netToe source package.
AUTHOR
netToe is written by Gabriele Giorgetti <ggdev@users.sourceforge.net>
and by Mats Erik Andersson <meand@users.sourceforge.net>.
This manual page was initially written by Andras Bali
<bali@debian.org>, for the Debian GNU/Linux system, and was later
rewritten by Gabriele Giorgetti to be distributed in the netToe source
package.
COPYRIGHT
Copyright © 2000,2001 Gabriele Giorgetti,
© 2001 Andras Bali,
© 2012,2013,2014 Mats Erik Andersson.
This is free software; see the source for copying conditions. There is
NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
netToe 1.5.1 March 21, 2014 NETTOE(6)
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