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Frimkron / repository
A simple MUD server in Python, for teaching purposes, which could be run on a Raspberry Pi
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A simple text-based Multi-User Dungeon (MUD) game, which could be run on a Raspberry Pi or other low-end server.
You will need to install Python (2.7+ or 3.3+) where you wish to run the server. Installers for Windows and Mac can be found at http://www.python.org/download/. There are also tarballs for Linux, although the best way to install on Linux would be via the package manager.
To allow players to connect remotely, the server will also need to be connected to the internet.
To connect to the server you will need a telnet client. On Mac, Linux, and versions of Windows prior to Windows Vista, the telnet client is usually installed by default. For Windows Vista, 7, 8 or later, you may need to follow this guide to install it.
Double click on simplemud.py - the file will be opened with the Python
interpreter. To stop the server, simply close the terminal window.
From the terminal, change to the directory containing the script and run
python simplemud.py
Note, if you are connected to the machine via SSH, you will find that the
script stops running when you quit the SSH session. A simple way to leave the
script running is to use a tool called screen. Connect via SSH as usual then
run screen. You will enter what looks like a normal shell prompt, but now you
can start the python script running and hit ctl+a followed by d to leave
screen running in the background. The next time you connect, you can
re-attach to your screen session using screen -r. Alternatively you could
create a daemon script
to run the script in the background every time the server starts.
If the server is running behind a NAT such as a home router, you will need to set up port 1234 to be forwarded to the machine running the server. See your router's instructions for how to set this up. There are a large number of setup guides for different models of router here: http://portforward.com/english/routers/port_forwarding/
You will need to know the external IP address of the machine running the server. This can be discovered by visiting http://www.whatsmyip.org from that machine.
To connect to the server, open your operating system's terminal or command prompt and start the telnet client by running:
telnet <ip address> 1234
where <ip address> is the external IP address of the server, as described
above. 1234 is the port number that the server listens on.
If you are using Windows Vista, 7, 8 or later and get the message:
'telnet' is not recognized as an internal or external command, operable
program or batch file.
then follow this guide to install the Windows telnet client.
If all goes well, you should be presented with the message
What is your name?
To quit the telnet client, press ctl + ] to go to the prompt, and then
type quit.
Telnet is simple text-based network communication protocol that was invented in 1969 and has since been superseded by other, more secure protocols. It does remain popular for a few specialised uses however, MUD games being one of these uses. A long (and boring) history of the telnet protocol can be found here: http://www.cs.utexas.edu/users/chris/think/ARPANET/Telnet/Telnet.shtml
MUD is short for Multi-User Dungeon. A MUD is a text-based online role-playing game. MUDs were popular in the early 80s and were the precursor to the graphical Massively-Multiplayer Online Role-Playing Games we have today, like World of Warcraft. http://www.mudconnect.com is a great site for learning more about MUDs.
MUD Pi is a free and open source project (that's free as in freedom). This
means that the source code is included and you are free to read it, copy it,
extend it and use it as a starting point for your own MUD game or any other
project. See licence.md for more info.
MUD Pi was written in the Python programming language. If you have never used Python before, or are new to programming in general, why not try an online tutorial, such as http://www.learnpython.org/.
There are 2 source files in the project. mudserver.py is a module containing
the MudServer class - a basic server script which handles player connections
and sending and receiving messages. simplemud.py is an example game using
MudServer, with player chat and rooms to move between.
The best place to start tweaking the game would be to have a look at
simplemud.py. Why not try adding more rooms to the game world? You'll find
more ideas for things to try in the source code itself.
Of course if you're feeling more adventurous you could take a look at the
slightly more advanced networking code in mudserver.py.
Here are some of the cool projects people have made from MUD-Pi:
MUD Pi was written by Mark Frimston
For feedback, please email mfrimston@gmail.com or add a comment on the project's Github page